3 * VMS-specific routines for perl5
6 * August 2000 tweaks to vms_image_init, my_flush, my_fwrite, cando_by_name,
7 * and Perl_cando by Craig Berry
8 * 29-Aug-2000 Charles Lane's piping improvements rolled in
9 * 20-Aug-1999 revisions by Charles Bailey bailey@newman.upenn.edu
18 #include <climsgdef.h>
28 #include <libclidef.h>
30 #include <lib$routines.h>
39 #include <str$routines.h>
44 /* Older versions of ssdef.h don't have these */
45 #ifndef SS$_INVFILFOROP
46 # define SS$_INVFILFOROP 3930
48 #ifndef SS$_NOSUCHOBJECT
49 # define SS$_NOSUCHOBJECT 2696
52 /* Don't replace system definitions of vfork, getenv, and stat,
53 * code below needs to get to the underlying CRTL routines. */
54 #define DONT_MASK_RTL_CALLS
58 /* Anticipating future expansion in lexical warnings . . . */
60 # define WARN_INTERNAL WARN_MISC
63 #if defined(__VMS_VER) && __VMS_VER >= 70000000 && __DECC_VER >= 50200000
64 # define RTL_USES_UTC 1
68 /* gcc's header files don't #define direct access macros
69 * corresponding to VAXC's variant structs */
71 # define uic$v_format uic$r_uic_form.uic$v_format
72 # define uic$v_group uic$r_uic_form.uic$v_group
73 # define uic$v_member uic$r_uic_form.uic$v_member
74 # define prv$v_bypass prv$r_prvdef_bits0.prv$v_bypass
75 # define prv$v_grpprv prv$r_prvdef_bits0.prv$v_grpprv
76 # define prv$v_readall prv$r_prvdef_bits0.prv$v_readall
77 # define prv$v_sysprv prv$r_prvdef_bits0.prv$v_sysprv
80 #if defined(NEED_AN_H_ERRNO)
85 unsigned short int buflen;
86 unsigned short int itmcode;
88 unsigned short int *retlen;
91 #define do_fileify_dirspec(a,b,c) mp_do_fileify_dirspec(aTHX_ a,b,c)
92 #define do_pathify_dirspec(a,b,c) mp_do_pathify_dirspec(aTHX_ a,b,c)
93 #define do_tovmsspec(a,b,c) mp_do_tovmsspec(aTHX_ a,b,c)
94 #define do_tovmspath(a,b,c) mp_do_tovmspath(aTHX_ a,b,c)
95 #define do_rmsexpand(a,b,c,d,e) mp_do_rmsexpand(aTHX_ a,b,c,d,e)
96 #define do_tounixspec(a,b,c) mp_do_tounixspec(aTHX_ a,b,c)
97 #define do_tounixpath(a,b,c) mp_do_tounixpath(aTHX_ a,b,c)
98 #define expand_wild_cards(a,b,c,d) mp_expand_wild_cards(aTHX_ a,b,c,d)
99 #define getredirection(a,b) mp_getredirection(aTHX_ a,b)
101 /* see system service docs for $TRNLNM -- NOT the same as LNM$_MAX_INDEX */
102 #define PERL_LNM_MAX_ALLOWED_INDEX 127
104 static char *__mystrtolower(char *str)
106 if (str) for (; *str; ++str) *str= tolower(*str);
110 static struct dsc$descriptor_s fildevdsc =
111 { 12, DSC$K_DTYPE_T, DSC$K_CLASS_S, "LNM$FILE_DEV" };
112 static struct dsc$descriptor_s crtlenvdsc =
113 { 8, DSC$K_DTYPE_T, DSC$K_CLASS_S, "CRTL_ENV" };
114 static struct dsc$descriptor_s *fildev[] = { &fildevdsc, NULL };
115 static struct dsc$descriptor_s *defenv[] = { &fildevdsc, &crtlenvdsc, NULL };
116 static struct dsc$descriptor_s **env_tables = defenv;
117 static bool will_taint = FALSE; /* tainting active, but no PL_curinterp yet */
119 /* True if we shouldn't treat barewords as logicals during directory */
121 static int no_translate_barewords;
123 /* Temp for subprocess commands */
124 static struct dsc$descriptor_s VMScmd = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,Nullch};
127 static int tz_updated = 1;
130 /*{{{int vmstrnenv(const char *lnm, char *eqv, unsigned long int idx, struct dsc$descriptor_s **tabvec, unsigned long int flags) */
132 Perl_vmstrnenv(pTHX_ const char *lnm, char *eqv, unsigned long int idx,
133 struct dsc$descriptor_s **tabvec, unsigned long int flags)
135 char uplnm[LNM$C_NAMLENGTH+1], *cp1, *cp2;
136 unsigned short int eqvlen, curtab, ivlnm = 0, ivsym = 0, ivenv = 0, secure;
137 unsigned long int retsts, attr = LNM$M_CASE_BLIND;
138 unsigned char acmode;
139 struct dsc$descriptor_s lnmdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0},
140 tmpdsc = {6,DSC$K_DTYPE_T,DSC$K_CLASS_S,0};
141 struct itmlst_3 lnmlst[3] = {{sizeof idx, LNM$_INDEX, &idx, 0},
142 {LNM$C_NAMLENGTH, LNM$_STRING, eqv, &eqvlen},
144 $DESCRIPTOR(crtlenv,"CRTL_ENV"); $DESCRIPTOR(clisym,"CLISYM");
145 #if defined(USE_THREADS)
146 /* We jump through these hoops because we can be called at */
147 /* platform-specific initialization time, which is before anything is */
148 /* set up--we can't even do a plain dTHX since that relies on the */
149 /* interpreter structure to be initialized */
150 struct perl_thread *thr;
152 thr = PL_threadnum? THR : (struct perl_thread*)SvPVX(PL_thrsv);
158 if (!lnm || !eqv || idx > PERL_LNM_MAX_ALLOWED_INDEX) {
159 set_errno(EINVAL); set_vaxc_errno(SS$_BADPARAM); return 0;
161 for (cp1 = (char *)lnm, cp2 = uplnm; *cp1; cp1++, cp2++) {
162 *cp2 = _toupper(*cp1);
163 if (cp1 - lnm > LNM$C_NAMLENGTH) {
164 set_errno(EINVAL); set_vaxc_errno(SS$_IVLOGNAM);
168 lnmdsc.dsc$w_length = cp1 - lnm;
169 lnmdsc.dsc$a_pointer = uplnm;
170 uplnm[lnmdsc.dsc$w_length] = '\0';
171 secure = flags & PERL__TRNENV_SECURE;
172 acmode = secure ? PSL$C_EXEC : PSL$C_USER;
173 if (!tabvec || !*tabvec) tabvec = env_tables;
175 for (curtab = 0; tabvec[curtab]; curtab++) {
176 if (!str$case_blind_compare(tabvec[curtab],&crtlenv)) {
177 if (!ivenv && !secure) {
182 Perl_warn(aTHX_ "Can't read CRTL environ\n");
185 retsts = SS$_NOLOGNAM;
186 for (i = 0; environ[i]; i++) {
187 if ((eq = strchr(environ[i],'=')) &&
188 !strncmp(environ[i],uplnm,eq - environ[i])) {
190 for (eqvlen = 0; eq[eqvlen]; eqvlen++) eqv[eqvlen] = eq[eqvlen];
191 if (!eqvlen) continue;
196 if (retsts != SS$_NOLOGNAM) break;
199 else if ((tmpdsc.dsc$a_pointer = tabvec[curtab]->dsc$a_pointer) &&
200 !str$case_blind_compare(&tmpdsc,&clisym)) {
201 if (!ivsym && !secure) {
202 unsigned short int deflen = LNM$C_NAMLENGTH;
203 struct dsc$descriptor_d eqvdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_D,0};
204 /* dynamic dsc to accomodate possible long value */
205 _ckvmssts(lib$sget1_dd(&deflen,&eqvdsc));
206 retsts = lib$get_symbol(&lnmdsc,&eqvdsc,&eqvlen,0);
209 set_errno(EVMSERR); set_vaxc_errno(LIB$_STRTRU);
211 /* Special hack--we might be called before the interpreter's */
212 /* fully initialized, in which case either thr or PL_curcop */
213 /* might be bogus. We have to check, since ckWARN needs them */
214 /* both to be valid if running threaded */
215 #if defined(USE_THREADS)
216 if (thr && PL_curcop) {
218 if (ckWARN(WARN_MISC)) {
219 Perl_warner(aTHX_ WARN_MISC,"Value of CLI symbol \"%s\" too long",lnm);
221 #if defined(USE_THREADS)
223 Perl_warner(aTHX_ WARN_MISC,"Value of CLI symbol \"%s\" too long",lnm);
228 strncpy(eqv,eqvdsc.dsc$a_pointer,eqvlen);
230 _ckvmssts(lib$sfree1_dd(&eqvdsc));
231 if (retsts == LIB$_INVSYMNAM) { ivsym = 1; continue; }
232 if (retsts == LIB$_NOSUCHSYM) continue;
237 retsts = sys$trnlnm(&attr,tabvec[curtab],&lnmdsc,&acmode,lnmlst);
238 if (retsts == SS$_IVLOGNAM) { ivlnm = 1; continue; }
239 if (retsts == SS$_NOLOGNAM) continue;
240 /* PPFs have a prefix */
243 *((int *)uplnm) == *((int *)"SYS$") &&
245 eqvlen >= 4 && eqv[0] == 0x1b && eqv[1] == 0x00 &&
246 ( (uplnm[4] == 'O' && !strcmp(uplnm,"SYS$OUTPUT")) ||
247 (uplnm[4] == 'I' && !strcmp(uplnm,"SYS$INPUT")) ||
248 (uplnm[4] == 'E' && !strcmp(uplnm,"SYS$ERROR")) ||
249 (uplnm[4] == 'C' && !strcmp(uplnm,"SYS$COMMAND")) ) ) {
250 memcpy(eqv,eqv+4,eqvlen-4);
256 if (retsts & 1) { eqv[eqvlen] = '\0'; return eqvlen; }
257 else if (retsts == LIB$_NOSUCHSYM || retsts == LIB$_INVSYMNAM ||
258 retsts == SS$_IVLOGNAM || retsts == SS$_IVLOGTAB ||
259 retsts == SS$_NOLOGNAM) {
260 set_errno(EINVAL); set_vaxc_errno(retsts);
262 else _ckvmssts(retsts);
264 } /* end of vmstrnenv */
267 /*{{{ int my_trnlnm(const char *lnm, char *eqv, unsigned long int idx)*/
268 /* Define as a function so we can access statics. */
269 int Perl_my_trnlnm(pTHX_ const char *lnm, char *eqv, unsigned long int idx)
271 return vmstrnenv(lnm,eqv,idx,fildev,
272 #ifdef SECURE_INTERNAL_GETENV
273 (PL_curinterp ? PL_tainting : will_taint) ? PERL__TRNENV_SECURE : 0
282 * Note: Uses Perl temp to store result so char * can be returned to
283 * caller; this pointer will be invalidated at next Perl statement
285 * We define this as a function rather than a macro in terms of my_getenv_len()
286 * so that it'll work when PL_curinterp is undefined (and we therefore can't
289 /*{{{ char *my_getenv(const char *lnm, bool sys)*/
291 Perl_my_getenv(pTHX_ const char *lnm, bool sys)
293 static char __my_getenv_eqv[LNM$C_NAMLENGTH+1];
294 char uplnm[LNM$C_NAMLENGTH+1], *cp1, *cp2, *eqv;
295 unsigned long int idx = 0;
296 int trnsuccess, success, secure, saverr, savvmserr;
299 if (PL_curinterp) { /* Perl interpreter running -- may be threaded */
300 /* Set up a temporary buffer for the return value; Perl will
301 * clean it up at the next statement transition */
302 tmpsv = sv_2mortal(newSVpv("",LNM$C_NAMLENGTH+1));
303 if (!tmpsv) return NULL;
306 else eqv = __my_getenv_eqv; /* Assume no interpreter ==> single thread */
307 for (cp1 = (char *) lnm, cp2 = eqv; *cp1; cp1++,cp2++) *cp2 = _toupper(*cp1);
308 if (cp1 - lnm == 7 && !strncmp(eqv,"DEFAULT",7)) {
309 getcwd(eqv,LNM$C_NAMLENGTH);
313 if ((cp2 = strchr(lnm,';')) != NULL) {
315 uplnm[cp2-lnm] = '\0';
316 idx = strtoul(cp2+1,NULL,0);
319 /* Impose security constraints only if tainting */
321 /* Impose security constraints only if tainting */
322 secure = PL_curinterp ? PL_tainting : will_taint;
323 saverr = errno; savvmserr = vaxc$errno;
326 success = vmstrnenv(lnm,eqv,idx,
327 secure ? fildev : NULL,
328 #ifdef SECURE_INTERNAL_GETENV
329 secure ? PERL__TRNENV_SECURE : 0
334 /* Discard NOLOGNAM on internal calls since we're often looking
335 * for an optional name, and this "error" often shows up as the
336 * (bogus) exit status for a die() call later on. */
337 if (sys && vaxc$errno == SS$_NOLOGNAM) SETERRNO(saverr,savvmserr);
338 return success ? eqv : Nullch;
341 } /* end of my_getenv() */
345 /*{{{ SV *my_getenv_len(const char *lnm, bool sys)*/
347 my_getenv_len(const char *lnm, unsigned long *len, bool sys)
350 char *buf, *cp1, *cp2;
351 unsigned long idx = 0;
352 static char __my_getenv_len_eqv[LNM$C_NAMLENGTH+1];
353 int secure, saverr, savvmserr;
356 if (PL_curinterp) { /* Perl interpreter running -- may be threaded */
357 /* Set up a temporary buffer for the return value; Perl will
358 * clean it up at the next statement transition */
359 tmpsv = sv_2mortal(newSVpv("",LNM$C_NAMLENGTH+1));
360 if (!tmpsv) return NULL;
363 else buf = __my_getenv_len_eqv; /* Assume no interpreter ==> single thread */
364 for (cp1 = (char *)lnm, cp2 = buf; *cp1; cp1++,cp2++) *cp2 = _toupper(*cp1);
365 if (cp1 - lnm == 7 && !strncmp(buf,"DEFAULT",7)) {
366 getcwd(buf,LNM$C_NAMLENGTH);
371 if ((cp2 = strchr(lnm,';')) != NULL) {
374 idx = strtoul(cp2+1,NULL,0);
378 /* Impose security constraints only if tainting */
379 secure = PL_curinterp ? PL_tainting : will_taint;
380 saverr = errno; savvmserr = vaxc$errno;
383 *len = vmstrnenv(lnm,buf,idx,
384 secure ? fildev : NULL,
385 #ifdef SECURE_INTERNAL_GETENV
386 secure ? PERL__TRNENV_SECURE : 0
391 /* Discard NOLOGNAM on internal calls since we're often looking
392 * for an optional name, and this "error" often shows up as the
393 * (bogus) exit status for a die() call later on. */
394 if (sys && vaxc$errno == SS$_NOLOGNAM) SETERRNO(saverr,savvmserr);
395 return *len ? buf : Nullch;
398 } /* end of my_getenv_len() */
401 static void create_mbx(unsigned short int *, struct dsc$descriptor_s *);
403 static void riseandshine(unsigned long int dummy) { sys$wake(0,0); }
405 /*{{{ void prime_env_iter() */
408 /* Fill the %ENV associative array with all logical names we can
409 * find, in preparation for iterating over it.
413 static int primed = 0;
414 HV *seenhv = NULL, *envhv;
415 char cmd[LNM$C_NAMLENGTH+24], mbxnam[LNM$C_NAMLENGTH], *buf = Nullch;
416 unsigned short int chan;
417 #ifndef CLI$M_TRUSTED
418 # define CLI$M_TRUSTED 0x40 /* Missing from VAXC headers */
420 unsigned long int defflags = CLI$M_NOWAIT | CLI$M_NOKEYPAD | CLI$M_TRUSTED;
421 unsigned long int mbxbufsiz, flags, retsts, subpid = 0, substs = 0, wakect = 0;
423 bool have_sym = FALSE, have_lnm = FALSE;
424 struct dsc$descriptor_s tmpdsc = {6,DSC$K_DTYPE_T,DSC$K_CLASS_S,0};
425 $DESCRIPTOR(cmddsc,cmd); $DESCRIPTOR(nldsc,"_NLA0:");
426 $DESCRIPTOR(clidsc,"DCL"); $DESCRIPTOR(clitabdsc,"DCLTABLES");
427 $DESCRIPTOR(crtlenv,"CRTL_ENV"); $DESCRIPTOR(clisym,"CLISYM");
428 $DESCRIPTOR(local,"_LOCAL"); $DESCRIPTOR(mbxdsc,mbxnam);
429 #if defined(USE_THREADS) || defined(USE_ITHREADS)
430 static perl_mutex primenv_mutex;
431 MUTEX_INIT(&primenv_mutex);
434 if (primed || !PL_envgv) return;
435 MUTEX_LOCK(&primenv_mutex);
436 if (primed) { MUTEX_UNLOCK(&primenv_mutex); return; }
437 envhv = GvHVn(PL_envgv);
438 /* Perform a dummy fetch as an lval to insure that the hash table is
439 * set up. Otherwise, the hv_store() will turn into a nullop. */
440 (void) hv_fetch(envhv,"DEFAULT",7,TRUE);
442 for (i = 0; env_tables[i]; i++) {
443 if (!have_sym && (tmpdsc.dsc$a_pointer = env_tables[i]->dsc$a_pointer) &&
444 !str$case_blind_compare(&tmpdsc,&clisym)) have_sym = 1;
445 if (!have_lnm && !str$case_blind_compare(env_tables[i],&crtlenv)) have_lnm = 1;
447 if (have_sym || have_lnm) {
448 long int syiitm = SYI$_MAXBUF, dviitm = DVI$_DEVNAM;
449 _ckvmssts(lib$getsyi(&syiitm, &mbxbufsiz, 0, 0, 0, 0));
450 _ckvmssts(sys$crembx(0,&chan,mbxbufsiz,mbxbufsiz,0xff0f,0,0));
451 _ckvmssts(lib$getdvi(&dviitm, &chan, NULL, NULL, &mbxdsc, &mbxdsc.dsc$w_length));
454 for (i--; i >= 0; i--) {
455 if (!str$case_blind_compare(env_tables[i],&crtlenv)) {
458 for (j = 0; environ[j]; j++) {
459 if (!(start = strchr(environ[j],'='))) {
460 if (ckWARN(WARN_INTERNAL))
461 Perl_warner(aTHX_ WARN_INTERNAL,"Ill-formed CRTL environ value \"%s\"\n",environ[j]);
465 (void) hv_store(envhv,environ[j],start - environ[j] - 1,
471 else if ((tmpdsc.dsc$a_pointer = env_tables[i]->dsc$a_pointer) &&
472 !str$case_blind_compare(&tmpdsc,&clisym)) {
473 strcpy(cmd,"Show Symbol/Global *");
474 cmddsc.dsc$w_length = 20;
475 if (env_tables[i]->dsc$w_length == 12 &&
476 (tmpdsc.dsc$a_pointer = env_tables[i]->dsc$a_pointer + 6) &&
477 !str$case_blind_compare(&tmpdsc,&local)) strcpy(cmd+12,"Local *");
478 flags = defflags | CLI$M_NOLOGNAM;
481 strcpy(cmd,"Show Logical *");
482 if (str$case_blind_compare(env_tables[i],&fildevdsc)) {
483 strcat(cmd," /Table=");
484 strncat(cmd,env_tables[i]->dsc$a_pointer,env_tables[i]->dsc$w_length);
485 cmddsc.dsc$w_length = strlen(cmd);
487 else cmddsc.dsc$w_length = 14; /* N.B. We test this below */
488 flags = defflags | CLI$M_NOCLISYM;
491 /* Create a new subprocess to execute each command, to exclude the
492 * remote possibility that someone could subvert a mbx or file used
493 * to write multiple commands to a single subprocess.
496 retsts = lib$spawn(&cmddsc,&nldsc,&mbxdsc,&flags,0,&subpid,&substs,
497 0,&riseandshine,0,0,&clidsc,&clitabdsc);
498 flags &= ~CLI$M_TRUSTED; /* Just in case we hit a really old version */
499 defflags &= ~CLI$M_TRUSTED;
500 } while (retsts == LIB$_INVARG && (flags | CLI$M_TRUSTED));
502 if (!buf) New(1322,buf,mbxbufsiz + 1,char);
503 if (seenhv) SvREFCNT_dec(seenhv);
506 char *cp1, *cp2, *key;
507 unsigned long int sts, iosb[2], retlen, keylen;
510 sts = sys$qiow(0,chan,IO$_READVBLK,iosb,0,0,buf,mbxbufsiz,0,0,0,0);
511 if (sts & 1) sts = iosb[0] & 0xffff;
512 if (sts == SS$_ENDOFFILE) {
514 while (substs == 0) { sys$hiber(); wakect++;}
515 if (wakect > 1) sys$wake(0,0); /* Stole someone else's wake */
520 retlen = iosb[0] >> 16;
521 if (!retlen) continue; /* blank line */
523 if (iosb[1] != subpid) {
525 Perl_croak(aTHX_ "Unknown process %x sent message to prime_env_iter: %s",buf);
529 if (sts == SS$_BUFFEROVF && ckWARN(WARN_INTERNAL))
530 Perl_warner(aTHX_ WARN_INTERNAL,"Buffer overflow in prime_env_iter: %s",buf);
532 for (cp1 = buf; *cp1 && isspace(*cp1); cp1++) ;
533 if (*cp1 == '(' || /* Logical name table name */
534 *cp1 == '=' /* Next eqv of searchlist */) continue;
535 if (*cp1 == '"') cp1++;
536 for (cp2 = cp1; *cp2 && *cp2 != '"' && *cp2 != ' '; cp2++) ;
537 key = cp1; keylen = cp2 - cp1;
538 if (keylen && hv_exists(seenhv,key,keylen)) continue;
539 while (*cp2 && *cp2 != '=') cp2++;
540 while (*cp2 && *cp2 == '=') cp2++;
541 while (*cp2 && *cp2 == ' ') cp2++;
542 if (*cp2 == '"') { /* String translation; may embed "" */
543 for (cp1 = buf + retlen; *cp1 != '"'; cp1--) ;
544 cp2++; cp1--; /* Skip "" surrounding translation */
546 else { /* Numeric translation */
547 for (cp1 = cp2; *cp1 && *cp1 != ' '; cp1++) ;
548 cp1--; /* stop on last non-space char */
550 if ((!keylen || (cp1 - cp2 < -1)) && ckWARN(WARN_INTERNAL)) {
551 Perl_warner(aTHX_ WARN_INTERNAL,"Ill-formed message in prime_env_iter: |%s|",buf);
554 PERL_HASH(hash,key,keylen);
555 hv_store(envhv,key,keylen,newSVpvn(cp2,cp1 - cp2 + 1),hash);
556 hv_store(seenhv,key,keylen,&PL_sv_yes,hash);
558 if (cmddsc.dsc$w_length == 14) { /* We just read LNM$FILE_DEV */
559 /* get the PPFs for this process, not the subprocess */
560 char *ppfs[] = {"SYS$COMMAND", "SYS$INPUT", "SYS$OUTPUT", "SYS$ERROR", NULL};
561 char eqv[LNM$C_NAMLENGTH+1];
563 for (i = 0; ppfs[i]; i++) {
564 trnlen = vmstrnenv(ppfs[i],eqv,0,fildev,0);
565 hv_store(envhv,ppfs[i],strlen(ppfs[i]),newSVpv(eqv,trnlen),0);
570 if (have_sym || have_lnm) _ckvmssts(sys$dassgn(chan));
571 if (buf) Safefree(buf);
572 if (seenhv) SvREFCNT_dec(seenhv);
573 MUTEX_UNLOCK(&primenv_mutex);
576 } /* end of prime_env_iter */
580 /*{{{ int vmssetenv(char *lnm, char *eqv)*/
581 /* Define or delete an element in the same "environment" as
582 * vmstrnenv(). If an element is to be deleted, it's removed from
583 * the first place it's found. If it's to be set, it's set in the
584 * place designated by the first element of the table vector.
585 * Like setenv() returns 0 for success, non-zero on error.
588 vmssetenv(char *lnm, char *eqv, struct dsc$descriptor_s **tabvec)
590 char uplnm[LNM$C_NAMLENGTH], *cp1, *cp2;
591 unsigned short int curtab, ivlnm = 0, ivsym = 0, ivenv = 0;
592 unsigned long int retsts, usermode = PSL$C_USER;
593 struct dsc$descriptor_s lnmdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,uplnm},
594 eqvdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0},
595 tmpdsc = {6,DSC$K_DTYPE_T,DSC$K_CLASS_S,0};
596 $DESCRIPTOR(crtlenv,"CRTL_ENV"); $DESCRIPTOR(clisym,"CLISYM");
597 $DESCRIPTOR(local,"_LOCAL");
600 for (cp1 = lnm, cp2 = uplnm; *cp1; cp1++, cp2++) {
601 *cp2 = _toupper(*cp1);
602 if (cp1 - lnm > LNM$C_NAMLENGTH) {
603 set_errno(EINVAL); set_vaxc_errno(SS$_IVLOGNAM);
607 lnmdsc.dsc$w_length = cp1 - lnm;
608 if (!tabvec || !*tabvec) tabvec = env_tables;
610 if (!eqv) { /* we're deleting n element */
611 for (curtab = 0; tabvec[curtab]; curtab++) {
612 if (!ivenv && !str$case_blind_compare(tabvec[curtab],&crtlenv)) {
614 for (i = 0; environ[i]; i++) { /* Iff it's an environ elt, reset */
615 if ((cp1 = strchr(environ[i],'=')) &&
616 !strncmp(environ[i],lnm,cp1 - environ[i])) {
618 return setenv(lnm,"",1) ? vaxc$errno : 0;
621 ivenv = 1; retsts = SS$_NOLOGNAM;
623 if (ckWARN(WARN_INTERNAL))
624 Perl_warner(aTHX_ WARN_INTERNAL,"This Perl can't reset CRTL environ elements (%s)",lnm);
625 ivenv = 1; retsts = SS$_NOSUCHPGM;
631 else if ((tmpdsc.dsc$a_pointer = tabvec[curtab]->dsc$a_pointer) &&
632 !str$case_blind_compare(&tmpdsc,&clisym)) {
633 unsigned int symtype;
634 if (tabvec[curtab]->dsc$w_length == 12 &&
635 (tmpdsc.dsc$a_pointer = tabvec[curtab]->dsc$a_pointer + 6) &&
636 !str$case_blind_compare(&tmpdsc,&local))
637 symtype = LIB$K_CLI_LOCAL_SYM;
638 else symtype = LIB$K_CLI_GLOBAL_SYM;
639 retsts = lib$delete_symbol(&lnmdsc,&symtype);
640 if (retsts == LIB$_INVSYMNAM) { ivsym = 1; continue; }
641 if (retsts == LIB$_NOSUCHSYM) continue;
645 retsts = sys$dellnm(tabvec[curtab],&lnmdsc,&usermode); /* try user mode first */
646 if (retsts == SS$_IVLOGNAM) { ivlnm = 1; continue; }
647 if (retsts != SS$_NOLOGNAM && retsts != SS$_NOLOGTAB) break;
648 retsts = lib$delete_logical(&lnmdsc,tabvec[curtab]); /* then supervisor mode */
649 if (retsts != SS$_NOLOGNAM && retsts != SS$_NOLOGTAB) break;
653 else { /* we're defining a value */
654 if (!ivenv && !str$case_blind_compare(tabvec[0],&crtlenv)) {
656 return setenv(lnm,eqv,1) ? vaxc$errno : 0;
658 if (ckWARN(WARN_INTERNAL))
659 Perl_warner(aTHX_ WARN_INTERNAL,"This Perl can't set CRTL environ elements (%s=%s)",lnm,eqv);
660 retsts = SS$_NOSUCHPGM;
664 eqvdsc.dsc$a_pointer = eqv;
665 eqvdsc.dsc$w_length = strlen(eqv);
666 if ((tmpdsc.dsc$a_pointer = tabvec[0]->dsc$a_pointer) &&
667 !str$case_blind_compare(&tmpdsc,&clisym)) {
668 unsigned int symtype;
669 if (tabvec[0]->dsc$w_length == 12 &&
670 (tmpdsc.dsc$a_pointer = tabvec[0]->dsc$a_pointer + 6) &&
671 !str$case_blind_compare(&tmpdsc,&local))
672 symtype = LIB$K_CLI_LOCAL_SYM;
673 else symtype = LIB$K_CLI_GLOBAL_SYM;
674 retsts = lib$set_symbol(&lnmdsc,&eqvdsc,&symtype);
677 if (!*eqv) eqvdsc.dsc$w_length = 1;
678 if (eqvdsc.dsc$w_length > LNM$C_NAMLENGTH) {
679 eqvdsc.dsc$w_length = LNM$C_NAMLENGTH;
680 if (ckWARN(WARN_MISC)) {
681 Perl_warner(aTHX_ WARN_MISC,"Value of logical \"%s\" too long. Truncating to %i bytes",lnm, LNM$C_NAMLENGTH);
684 retsts = lib$set_logical(&lnmdsc,&eqvdsc,tabvec[0],0,0);
690 case LIB$_AMBSYMDEF: case LIB$_INSCLIMEM:
691 case SS$_NOLOGTAB: case SS$_TOOMANYLNAM: case SS$_IVLOGTAB:
692 set_errno(EVMSERR); break;
693 case LIB$_INVARG: case LIB$_INVSYMNAM: case SS$_IVLOGNAM:
694 case LIB$_NOSUCHSYM: case SS$_NOLOGNAM:
695 set_errno(EINVAL); break;
702 set_vaxc_errno(retsts);
703 return (int) retsts || 44; /* retsts should never be 0, but just in case */
706 /* We reset error values on success because Perl does an hv_fetch()
707 * before each hv_store(), and if the thing we're setting didn't
708 * previously exist, we've got a leftover error message. (Of course,
709 * this fails in the face of
710 * $foo = $ENV{nonexistent}; $ENV{existent} = 'foo';
711 * in that the error reported in $! isn't spurious,
712 * but it's right more often than not.)
714 set_errno(0); set_vaxc_errno(retsts);
718 } /* end of vmssetenv() */
721 /*{{{ void my_setenv(char *lnm, char *eqv)*/
722 /* This has to be a function since there's a prototype for it in proto.h */
724 Perl_my_setenv(pTHX_ char *lnm,char *eqv)
727 int len = strlen(lnm);
731 for (i = 0; lnm[i]; i++) uplnm[i] = _toupper(lnm[i]);
732 if (!strcmp(uplnm,"DEFAULT")) {
733 if (eqv && *eqv) chdir(eqv);
738 if (len == 6 || len == 2) {
741 for (i = 0; lnm[i]; i++) uplnm[i] = _toupper(lnm[i]);
743 if (!strcmp(uplnm,"UCX$TZ")) tz_updated = 1;
744 if (!strcmp(uplnm,"TZ")) tz_updated = 1;
748 (void) vmssetenv(lnm,eqv,NULL);
752 /*{{{static void vmssetuserlnm(char *name, char *eqv);
754 * sets a user-mode logical in the process logical name table
755 * used for redirection of sys$error
758 Perl_vmssetuserlnm(char *name, char *eqv)
760 $DESCRIPTOR(d_tab, "LNM$PROCESS");
761 struct dsc$descriptor_d d_name = {0,DSC$K_DTYPE_T,DSC$K_CLASS_D,0};
762 unsigned long int iss, attr = 0;
763 unsigned char acmode = PSL$C_USER;
764 struct itmlst_3 lnmlst[2] = {{0, LNM$_STRING, 0, 0},
766 d_name.dsc$a_pointer = name;
767 d_name.dsc$w_length = strlen(name);
769 lnmlst[0].buflen = strlen(eqv);
770 lnmlst[0].bufadr = eqv;
772 iss = sys$crelnm(&attr,&d_tab,&d_name,&acmode,lnmlst);
773 if (!(iss&1)) lib$signal(iss);
778 /*{{{ char *my_crypt(const char *textpasswd, const char *usrname)*/
779 /* my_crypt - VMS password hashing
780 * my_crypt() provides an interface compatible with the Unix crypt()
781 * C library function, and uses sys$hash_password() to perform VMS
782 * password hashing. The quadword hashed password value is returned
783 * as a NUL-terminated 8 character string. my_crypt() does not change
784 * the case of its string arguments; in order to match the behavior
785 * of LOGINOUT et al., alphabetic characters in both arguments must
786 * be upcased by the caller.
789 my_crypt(const char *textpasswd, const char *usrname)
791 # ifndef UAI$C_PREFERRED_ALGORITHM
792 # define UAI$C_PREFERRED_ALGORITHM 127
794 unsigned char alg = UAI$C_PREFERRED_ALGORITHM;
795 unsigned short int salt = 0;
796 unsigned long int sts;
798 unsigned short int dsc$w_length;
799 unsigned char dsc$b_type;
800 unsigned char dsc$b_class;
801 const char * dsc$a_pointer;
802 } usrdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0},
803 txtdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
804 struct itmlst_3 uailst[3] = {
805 { sizeof alg, UAI$_ENCRYPT, &alg, 0},
806 { sizeof salt, UAI$_SALT, &salt, 0},
807 { 0, 0, NULL, NULL}};
810 usrdsc.dsc$w_length = strlen(usrname);
811 usrdsc.dsc$a_pointer = usrname;
812 if (!((sts = sys$getuai(0, 0, &usrdsc, uailst, 0, 0, 0)) & 1)) {
814 case SS$_NOGRPPRV: case SS$_NOSYSPRV:
818 set_errno(ESRCH); /* There isn't a Unix no-such-user error */
824 if (sts != RMS$_RNF) return NULL;
827 txtdsc.dsc$w_length = strlen(textpasswd);
828 txtdsc.dsc$a_pointer = textpasswd;
829 if (!((sts = sys$hash_password(&txtdsc, alg, salt, &usrdsc, &hash)) & 1)) {
830 set_errno(EVMSERR); set_vaxc_errno(sts); return NULL;
833 return (char *) hash;
835 } /* end of my_crypt() */
839 static char *mp_do_rmsexpand(pTHX_ char *, char *, int, char *, unsigned);
840 static char *mp_do_fileify_dirspec(pTHX_ char *, char *, int);
841 static char *mp_do_tovmsspec(pTHX_ char *, char *, int);
843 /*{{{int do_rmdir(char *name)*/
845 Perl_do_rmdir(pTHX_ char *name)
847 char dirfile[NAM$C_MAXRSS+1];
851 if (do_fileify_dirspec(name,dirfile,0) == NULL) return -1;
852 if (flex_stat(dirfile,&st) || !S_ISDIR(st.st_mode)) retval = -1;
853 else retval = kill_file(dirfile);
856 } /* end of do_rmdir */
860 * Delete any file to which user has control access, regardless of whether
861 * delete access is explicitly allowed.
862 * Limitations: User must have write access to parent directory.
863 * Does not block signals or ASTs; if interrupted in midstream
864 * may leave file with an altered ACL.
867 /*{{{int kill_file(char *name)*/
869 kill_file(char *name)
871 char vmsname[NAM$C_MAXRSS+1], rspec[NAM$C_MAXRSS+1];
872 unsigned long int jpicode = JPI$_UIC, type = ACL$C_FILE;
873 unsigned long int cxt = 0, aclsts, fndsts, rmsts = -1;
875 struct dsc$descriptor_s fildsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
877 unsigned char myace$b_length;
878 unsigned char myace$b_type;
879 unsigned short int myace$w_flags;
880 unsigned long int myace$l_access;
881 unsigned long int myace$l_ident;
882 } newace = { sizeof(struct myacedef), ACE$C_KEYID, 0,
883 ACE$M_READ | ACE$M_WRITE | ACE$M_DELETE | ACE$M_CONTROL, 0},
884 oldace = { sizeof(struct myacedef), ACE$C_KEYID, 0, 0, 0};
886 findlst[3] = {{sizeof oldace, ACL$C_FNDACLENT, &oldace, 0},
887 {sizeof oldace, ACL$C_READACE, &oldace, 0},{0,0,0,0}},
888 addlst[2] = {{sizeof newace, ACL$C_ADDACLENT, &newace, 0},{0,0,0,0}},
889 dellst[2] = {{sizeof newace, ACL$C_DELACLENT, &newace, 0},{0,0,0,0}},
890 lcklst[2] = {{sizeof newace, ACL$C_WLOCK_ACL, &newace, 0},{0,0,0,0}},
891 ulklst[2] = {{sizeof newace, ACL$C_UNLOCK_ACL, &newace, 0},{0,0,0,0}};
893 /* Expand the input spec using RMS, since the CRTL remove() and
894 * system services won't do this by themselves, so we may miss
895 * a file "hiding" behind a logical name or search list. */
896 if (do_tovmsspec(name,vmsname,0) == NULL) return -1;
897 if (do_rmsexpand(vmsname,rspec,1,NULL,0) == NULL) return -1;
898 if (!remove(rspec)) return 0; /* Can we just get rid of it? */
899 /* If not, can changing protections help? */
900 if (vaxc$errno != RMS$_PRV) return -1;
902 /* No, so we get our own UIC to use as a rights identifier,
903 * and the insert an ACE at the head of the ACL which allows us
904 * to delete the file.
906 _ckvmssts(lib$getjpi(&jpicode,0,0,&(oldace.myace$l_ident),0,0));
907 fildsc.dsc$w_length = strlen(rspec);
908 fildsc.dsc$a_pointer = rspec;
910 newace.myace$l_ident = oldace.myace$l_ident;
911 if (!((aclsts = sys$change_acl(0,&type,&fildsc,lcklst,0,0,0)) & 1)) {
913 case RMS$_FNF: case RMS$_DNF: case SS$_NOSUCHOBJECT:
914 set_errno(ENOENT); break;
916 set_errno(ENOTDIR); break;
918 set_errno(ENODEV); break;
919 case RMS$_SYN: case SS$_INVFILFOROP:
920 set_errno(EINVAL); break;
922 set_errno(EACCES); break;
926 set_vaxc_errno(aclsts);
929 /* Grab any existing ACEs with this identifier in case we fail */
930 aclsts = fndsts = sys$change_acl(0,&type,&fildsc,findlst,0,0,&cxt);
931 if ( fndsts & 1 || fndsts == SS$_ACLEMPTY || fndsts == SS$_NOENTRY
932 || fndsts == SS$_NOMOREACE ) {
933 /* Add the new ACE . . . */
934 if (!((aclsts = sys$change_acl(0,&type,&fildsc,addlst,0,0,0)) & 1))
936 if ((rmsts = remove(name))) {
937 /* We blew it - dir with files in it, no write priv for
938 * parent directory, etc. Put things back the way they were. */
939 if (!((aclsts = sys$change_acl(0,&type,&fildsc,dellst,0,0,0)) & 1))
942 addlst[0].bufadr = &oldace;
943 if (!((aclsts = sys$change_acl(0,&type,&fildsc,addlst,0,0,&cxt)) & 1))
950 fndsts = sys$change_acl(0,&type,&fildsc,ulklst,0,0,0);
951 /* We just deleted it, so of course it's not there. Some versions of
952 * VMS seem to return success on the unlock operation anyhow (after all
953 * the unlock is successful), but others don't.
955 if (fndsts == RMS$_FNF || fndsts == SS$_NOSUCHOBJECT) fndsts = SS$_NORMAL;
956 if (aclsts & 1) aclsts = fndsts;
959 set_vaxc_errno(aclsts);
965 } /* end of kill_file() */
969 /*{{{int my_mkdir(char *,Mode_t)*/
971 my_mkdir(char *dir, Mode_t mode)
973 STRLEN dirlen = strlen(dir);
976 /* zero length string sometimes gives ACCVIO */
977 if (dirlen == 0) return -1;
979 /* CRTL mkdir() doesn't tolerate trailing /, since that implies
980 * null file name/type. However, it's commonplace under Unix,
981 * so we'll allow it for a gain in portability.
983 if (dir[dirlen-1] == '/') {
984 char *newdir = savepvn(dir,dirlen-1);
985 int ret = mkdir(newdir,mode);
989 else return mkdir(dir,mode);
990 } /* end of my_mkdir */
993 /*{{{int my_chdir(char *)*/
997 STRLEN dirlen = strlen(dir);
1000 /* zero length string sometimes gives ACCVIO */
1001 if (dirlen == 0) return -1;
1003 /* some versions of CRTL chdir() doesn't tolerate trailing /, since
1005 * null file name/type. However, it's commonplace under Unix,
1006 * so we'll allow it for a gain in portability.
1008 if (dir[dirlen-1] == '/') {
1009 char *newdir = savepvn(dir,dirlen-1);
1010 int ret = chdir(newdir);
1014 else return chdir(dir);
1015 } /* end of my_chdir */
1019 /*{{{FILE *my_tmpfile()*/
1027 if ((fp = tmpfile())) return fp;
1029 New(1323,cp,L_tmpnam+24,char);
1030 strcpy(cp,"Sys$Scratch:");
1031 tmpnam(cp+strlen(cp));
1032 strcat(cp,".Perltmp");
1033 fp = fopen(cp,"w+","fop=dlt");
1039 /* default piping mailbox size */
1040 #define PERL_BUFSIZ 512
1044 create_mbx(unsigned short int *chan, struct dsc$descriptor_s *namdsc)
1046 unsigned long int mbxbufsiz;
1047 static unsigned long int syssize = 0;
1048 unsigned long int dviitm = DVI$_DEVNAM;
1050 char csize[LNM$C_NAMLENGTH+1];
1053 unsigned long syiitm = SYI$_MAXBUF;
1055 * Get the SYSGEN parameter MAXBUF
1057 * If the logical 'PERL_MBX_SIZE' is defined
1058 * use the value of the logical instead of PERL_BUFSIZ, but
1059 * keep the size between 128 and MAXBUF.
1062 _ckvmssts(lib$getsyi(&syiitm, &syssize, 0, 0, 0, 0));
1065 if (vmstrnenv("PERL_MBX_SIZE", csize, 0, fildev, 0)) {
1066 mbxbufsiz = atoi(csize);
1068 mbxbufsiz = PERL_BUFSIZ;
1070 if (mbxbufsiz < 128) mbxbufsiz = 128;
1071 if (mbxbufsiz > syssize) mbxbufsiz = syssize;
1073 _ckvmssts(sys$crembx(0,chan,mbxbufsiz,mbxbufsiz,0,0,0));
1075 _ckvmssts(lib$getdvi(&dviitm, chan, NULL, NULL, namdsc, &namdsc->dsc$w_length));
1076 namdsc->dsc$a_pointer[namdsc->dsc$w_length] = '\0';
1078 } /* end of create_mbx() */
1081 /*{{{ my_popen and my_pclose*/
1083 typedef struct _iosb IOSB;
1084 typedef struct _iosb* pIOSB;
1085 typedef struct _pipe Pipe;
1086 typedef struct _pipe* pPipe;
1087 typedef struct pipe_details Info;
1088 typedef struct pipe_details* pInfo;
1089 typedef struct _srqp RQE;
1090 typedef struct _srqp* pRQE;
1091 typedef struct _tochildbuf CBuf;
1092 typedef struct _tochildbuf* pCBuf;
1095 unsigned short status;
1096 unsigned short count;
1097 unsigned long dvispec;
1100 #pragma member_alignment save
1101 #pragma nomember_alignment quadword
1102 struct _srqp { /* VMS self-relative queue entry */
1103 unsigned long qptr[2];
1105 #pragma member_alignment restore
1106 static RQE RQE_ZERO = {0,0};
1108 struct _tochildbuf {
1111 unsigned short size;
1119 unsigned short chan_in;
1120 unsigned short chan_out;
1122 unsigned int bufsize;
1140 PerlIO *fp; /* stdio file pointer to pipe mailbox */
1141 int pid; /* PID of subprocess */
1142 int mode; /* == 'r' if pipe open for reading */
1143 int done; /* subprocess has completed */
1144 int closing; /* my_pclose is closing this pipe */
1145 unsigned long completion; /* termination status of subprocess */
1146 pPipe in; /* pipe in to sub */
1147 pPipe out; /* pipe out of sub */
1148 pPipe err; /* pipe of sub's sys$error */
1149 int in_done; /* true when in pipe finished */
1154 struct exit_control_block
1156 struct exit_control_block *flink;
1157 unsigned long int (*exit_routine)();
1158 unsigned long int arg_count;
1159 unsigned long int *status_address;
1160 unsigned long int exit_status;
1163 #define RETRY_DELAY "0 ::0.20"
1164 #define MAX_RETRY 50
1166 static int pipe_ef = 0; /* first call to safe_popen inits these*/
1167 static unsigned long mypid;
1168 static unsigned long delaytime[2];
1170 static pInfo open_pipes = NULL;
1171 static $DESCRIPTOR(nl_desc, "NL:");
1174 static unsigned long int
1178 unsigned long int retsts = SS$_NORMAL, abort = SS$_TIMEOUT;
1179 int sts, did_stuff, need_eof;
1183 first we try sending an EOF...ignore if doesn't work, make sure we
1191 _ckvmssts(sys$setast(0));
1192 if (info->in && !info->in->shut_on_empty) {
1193 _ckvmssts(sys$qio(0,info->in->chan_in,IO$_WRITEOF,0,0,0,
1197 _ckvmssts(sys$setast(1));
1200 if (did_stuff) sleep(1); /* wait for EOF to have an effect */
1205 _ckvmssts(sys$setast(0));
1206 if (!info->done) { /* Tap them gently on the shoulder . . .*/
1207 sts = sys$forcex(&info->pid,0,&abort);
1208 if (!(sts&1) && sts != SS$_NONEXPR) _ckvmssts(sts);
1211 _ckvmssts(sys$setast(1));
1214 if (did_stuff) sleep(1); /* wait for them to respond */
1218 _ckvmssts(sys$setast(0));
1219 if (!info->done) { /* We tried to be nice . . . */
1220 sts = sys$delprc(&info->pid,0);
1221 if (!(sts&1) && sts != SS$_NONEXPR) _ckvmssts(sts);
1223 _ckvmssts(sys$setast(1));
1228 if ((sts = my_pclose(open_pipes->fp)) == -1) retsts = vaxc$errno;
1229 else if (!(sts & 1)) retsts = sts;
1234 static struct exit_control_block pipe_exitblock =
1235 {(struct exit_control_block *) 0,
1236 pipe_exit_routine, 0, &pipe_exitblock.exit_status, 0};
1238 static void pipe_mbxtofd_ast(pPipe p);
1239 static void pipe_tochild1_ast(pPipe p);
1240 static void pipe_tochild2_ast(pPipe p);
1243 popen_completion_ast(pInfo info)
1246 pInfo i = open_pipes;
1250 if (i == info) break;
1253 if (!i) return; /* unlinked, probably freed too */
1255 info->completion &= 0x0FFFFFFF; /* strip off "control" field */
1259 Writing to subprocess ...
1260 if my_pclose'd: EOF already sent, should shutdown chan_in part of pipe
1262 chan_out may be waiting for "done" flag, or hung waiting
1263 for i/o completion to child...cancel the i/o. This will
1264 put it into "snarf mode" (done but no EOF yet) that discards
1267 Output from subprocess (stdout, stderr) needs to be flushed and
1268 shut down. We try sending an EOF, but if the mbx is full the pipe
1269 routine should still catch the "shut_on_empty" flag, telling it to
1270 use immediate-style reads so that "mbx empty" -> EOF.
1274 if (info->in && !info->in_done) { /* only for mode=w */
1275 if (info->in->shut_on_empty && info->in->need_wake) {
1276 info->in->need_wake = FALSE;
1277 _ckvmssts(sys$dclast(pipe_tochild2_ast,info->in,0));
1279 _ckvmssts(sys$cancel(info->in->chan_out));
1283 if (info->out && !info->out_done) { /* were we also piping output? */
1284 info->out->shut_on_empty = TRUE;
1285 iss = sys$qio(0,info->out->chan_in,IO$_WRITEOF|IO$M_NORSWAIT, 0, 0, 0, 0, 0, 0, 0, 0, 0);
1286 if (iss == SS$_MBFULL) iss = SS$_NORMAL;
1290 if (info->err && !info->err_done) { /* we were piping stderr */
1291 info->err->shut_on_empty = TRUE;
1292 iss = sys$qio(0,info->err->chan_in,IO$_WRITEOF|IO$M_NORSWAIT, 0, 0, 0, 0, 0, 0, 0, 0, 0);
1293 if (iss == SS$_MBFULL) iss = SS$_NORMAL;
1296 _ckvmssts(sys$setef(pipe_ef));
1300 static unsigned long int setup_cmddsc(char *cmd, int check_img);
1301 static void vms_execfree(pTHX);
1304 we actually differ from vmstrnenv since we use this to
1305 get the RMS IFI to check if SYS$OUTPUT and SYS$ERROR *really*
1306 are pointing to the same thing
1309 static unsigned short
1310 popen_translate(char *logical, char *result)
1313 $DESCRIPTOR(d_table,"LNM$PROCESS_TABLE");
1314 $DESCRIPTOR(d_log,"");
1316 unsigned short length;
1317 unsigned short code;
1319 unsigned short *retlenaddr;
1321 unsigned short l, ifi;
1323 d_log.dsc$a_pointer = logical;
1324 d_log.dsc$w_length = strlen(logical);
1326 itmlst[0].code = LNM$_STRING;
1327 itmlst[0].length = 255;
1328 itmlst[0].buffer_addr = result;
1329 itmlst[0].retlenaddr = &l;
1332 itmlst[1].length = 0;
1333 itmlst[1].buffer_addr = 0;
1334 itmlst[1].retlenaddr = 0;
1336 iss = sys$trnlnm(0, &d_table, &d_log, 0, itmlst);
1337 if (iss == SS$_NOLOGNAM) {
1341 if (!(iss&1)) lib$signal(iss);
1344 logicals for PPFs have a 4 byte prefix ESC+NUL+(RMS IFI)
1345 strip it off and return the ifi, if any
1348 if (result[0] == 0x1b && result[1] == 0x00) {
1349 memcpy(&ifi,result+2,2);
1350 strcpy(result,result+4);
1352 return ifi; /* this is the RMS internal file id */
1355 #define MAX_DCL_SYMBOL 255
1356 static void pipe_infromchild_ast(pPipe p);
1359 I'm using LIB$(GET|FREE)_VM here so that we can allocate and deallocate
1360 inside an AST routine without worrying about reentrancy and which Perl
1361 memory allocator is being used.
1363 We read data and queue up the buffers, then spit them out one at a
1364 time to the output mailbox when the output mailbox is ready for one.
1367 #define INITIAL_TOCHILDQUEUE 2
1370 pipe_tochild_setup(char *rmbx, char *wmbx)
1375 char mbx1[64], mbx2[64];
1376 struct dsc$descriptor_s d_mbx1 = {sizeof mbx1, DSC$K_DTYPE_T,
1377 DSC$K_CLASS_S, mbx1},
1378 d_mbx2 = {sizeof mbx2, DSC$K_DTYPE_T,
1379 DSC$K_CLASS_S, mbx2};
1380 unsigned int dviitm = DVI$_DEVBUFSIZ;
1383 New(1368, p, 1, Pipe);
1385 create_mbx(&p->chan_in , &d_mbx1);
1386 create_mbx(&p->chan_out, &d_mbx2);
1387 _ckvmssts(lib$getdvi(&dviitm, &p->chan_in, 0, &p->bufsize));
1390 p->shut_on_empty = FALSE;
1391 p->need_wake = FALSE;
1394 p->iosb.status = SS$_NORMAL;
1395 p->iosb2.status = SS$_NORMAL;
1402 n = sizeof(CBuf) + p->bufsize;
1404 for (j = 0; j < INITIAL_TOCHILDQUEUE; j++) {
1405 _ckvmssts(lib$get_vm(&n, &b));
1406 b->buf = (char *) b + sizeof(CBuf);
1407 _ckvmssts(lib$insqhi(b, &p->free));
1410 pipe_tochild2_ast(p);
1411 pipe_tochild1_ast(p);
1417 /* reads the MBX Perl is writing, and queues */
1420 pipe_tochild1_ast(pPipe p)
1424 int iss = p->iosb.status;
1425 int eof = (iss == SS$_ENDOFFILE);
1429 p->shut_on_empty = TRUE;
1431 _ckvmssts(sys$dassgn(p->chan_in));
1437 b->size = p->iosb.count;
1438 _ckvmssts(lib$insqhi(b, &p->wait));
1440 p->need_wake = FALSE;
1441 _ckvmssts(sys$dclast(pipe_tochild2_ast,p,0));
1444 p->retry = 1; /* initial call */
1447 if (eof) { /* flush the free queue, return when done */
1448 int n = sizeof(CBuf) + p->bufsize;
1450 iss = lib$remqti(&p->free, &b);
1451 if (iss == LIB$_QUEWASEMP) return;
1453 _ckvmssts(lib$free_vm(&n, &b));
1457 iss = lib$remqti(&p->free, &b);
1458 if (iss == LIB$_QUEWASEMP) {
1459 int n = sizeof(CBuf) + p->bufsize;
1460 _ckvmssts(lib$get_vm(&n, &b));
1461 b->buf = (char *) b + sizeof(CBuf);
1467 iss = sys$qio(0,p->chan_in,
1468 IO$_READVBLK|(p->shut_on_empty ? IO$M_NOWAIT : 0),
1470 pipe_tochild1_ast, p, b->buf, p->bufsize, 0, 0, 0, 0);
1471 if (iss == SS$_ENDOFFILE && p->shut_on_empty) iss = SS$_NORMAL;
1476 /* writes queued buffers to output, waits for each to complete before
1480 pipe_tochild2_ast(pPipe p)
1484 int iss = p->iosb2.status;
1485 int n = sizeof(CBuf) + p->bufsize;
1486 int done = (p->info && p->info->done) ||
1487 iss == SS$_CANCEL || iss == SS$_ABORT;
1490 if (p->type) { /* type=1 has old buffer, dispose */
1491 if (p->shut_on_empty) {
1492 _ckvmssts(lib$free_vm(&n, &b));
1494 _ckvmssts(lib$insqhi(b, &p->free));
1499 iss = lib$remqti(&p->wait, &b);
1500 if (iss == LIB$_QUEWASEMP) {
1501 if (p->shut_on_empty) {
1503 _ckvmssts(sys$dassgn(p->chan_out));
1504 *p->pipe_done = TRUE;
1505 _ckvmssts(sys$setef(pipe_ef));
1507 _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEOF,
1508 &p->iosb2, pipe_tochild2_ast, p, 0, 0, 0, 0, 0, 0));
1512 p->need_wake = TRUE;
1522 _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEOF,
1523 &p->iosb2, pipe_tochild2_ast, p, 0, 0, 0, 0, 0, 0));
1525 _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEVBLK,
1526 &p->iosb2, pipe_tochild2_ast, p, b->buf, b->size, 0, 0, 0, 0));
1535 pipe_infromchild_setup(char *rmbx, char *wmbx)
1539 char mbx1[64], mbx2[64];
1540 struct dsc$descriptor_s d_mbx1 = {sizeof mbx1, DSC$K_DTYPE_T,
1541 DSC$K_CLASS_S, mbx1},
1542 d_mbx2 = {sizeof mbx2, DSC$K_DTYPE_T,
1543 DSC$K_CLASS_S, mbx2};
1544 unsigned int dviitm = DVI$_DEVBUFSIZ;
1546 New(1367, p, 1, Pipe);
1547 create_mbx(&p->chan_in , &d_mbx1);
1548 create_mbx(&p->chan_out, &d_mbx2);
1550 _ckvmssts(lib$getdvi(&dviitm, &p->chan_in, 0, &p->bufsize));
1551 New(1367, p->buf, p->bufsize, char);
1552 p->shut_on_empty = FALSE;
1555 p->iosb.status = SS$_NORMAL;
1556 pipe_infromchild_ast(p);
1564 pipe_infromchild_ast(pPipe p)
1567 int iss = p->iosb.status;
1568 int eof = (iss == SS$_ENDOFFILE);
1569 int myeof = (eof && (p->iosb.dvispec == mypid || p->iosb.dvispec == 0));
1570 int kideof = (eof && (p->iosb.dvispec == p->info->pid));
1572 if (p->info && p->info->closing && p->chan_out) { /* output shutdown */
1573 _ckvmssts(sys$dassgn(p->chan_out));
1578 input shutdown if EOF from self (done or shut_on_empty)
1579 output shutdown if closing flag set (my_pclose)
1580 send data/eof from child or eof from self
1581 otherwise, re-read (snarf of data from child)
1586 if (myeof && p->chan_in) { /* input shutdown */
1587 _ckvmssts(sys$dassgn(p->chan_in));
1592 if (myeof || kideof) { /* pass EOF to parent */
1593 _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEOF, &p->iosb,
1594 pipe_infromchild_ast, p,
1597 } else if (eof) { /* eat EOF --- fall through to read*/
1599 } else { /* transmit data */
1600 _ckvmssts(sys$qio(0,p->chan_out,IO$_WRITEVBLK,&p->iosb,
1601 pipe_infromchild_ast,p,
1602 p->buf, p->iosb.count, 0, 0, 0, 0));
1608 /* everything shut? flag as done */
1610 if (!p->chan_in && !p->chan_out) {
1611 *p->pipe_done = TRUE;
1612 _ckvmssts(sys$setef(pipe_ef));
1616 /* write completed (or read, if snarfing from child)
1617 if still have input active,
1618 queue read...immediate mode if shut_on_empty so we get EOF if empty
1620 check if Perl reading, generate EOFs as needed
1626 iss = sys$qio(0,p->chan_in,IO$_READVBLK|(p->shut_on_empty ? IO$M_NOW : 0),&p->iosb,
1627 pipe_infromchild_ast,p,
1628 p->buf, p->bufsize, 0, 0, 0, 0);
1629 if (p->shut_on_empty && iss == SS$_ENDOFFILE) iss = SS$_NORMAL;
1631 } else { /* send EOFs for extra reads */
1632 p->iosb.status = SS$_ENDOFFILE;
1633 p->iosb.dvispec = 0;
1634 _ckvmssts(sys$qio(0,p->chan_out,IO$_SETMODE|IO$M_READATTN,
1636 pipe_infromchild_ast, p, 0, 0, 0, 0));
1642 pipe_mbxtofd_setup(int fd, char *out)
1647 unsigned long dviitm = DVI$_DEVBUFSIZ;
1649 struct dsc$descriptor_s d_mbx = {sizeof mbx, DSC$K_DTYPE_T,
1650 DSC$K_CLASS_S, mbx};
1652 /* things like terminals and mbx's don't need this filter */
1653 if (fd && fstat(fd,&s) == 0) {
1654 unsigned long dviitm = DVI$_DEVCHAR, devchar;
1655 struct dsc$descriptor_s d_dev = {strlen(s.st_dev), DSC$K_DTYPE_T,
1656 DSC$K_CLASS_S, s.st_dev};
1658 _ckvmssts(lib$getdvi(&dviitm,0,&d_dev,&devchar,0,0));
1659 if (!(devchar & DEV$M_DIR)) { /* non directory structured...*/
1660 strcpy(out, s.st_dev);
1665 New(1366, p, 1, Pipe);
1666 p->fd_out = dup(fd);
1667 create_mbx(&p->chan_in, &d_mbx);
1668 _ckvmssts(lib$getdvi(&dviitm, &p->chan_in, 0, &p->bufsize));
1669 New(1366, p->buf, p->bufsize+1, char);
1670 p->shut_on_empty = FALSE;
1675 _ckvmssts(sys$qio(0, p->chan_in, IO$_READVBLK, &p->iosb,
1676 pipe_mbxtofd_ast, p,
1677 p->buf, p->bufsize, 0, 0, 0, 0));
1683 pipe_mbxtofd_ast(pPipe p)
1686 int iss = p->iosb.status;
1687 int done = p->info->done;
1689 int eof = (iss == SS$_ENDOFFILE);
1690 int myeof = eof && ((p->iosb.dvispec == mypid)||(p->iosb.dvispec == 0));
1691 int err = !(iss&1) && !eof;
1694 if (done && myeof) { /* end piping */
1696 sys$dassgn(p->chan_in);
1697 *p->pipe_done = TRUE;
1698 _ckvmssts(sys$setef(pipe_ef));
1702 if (!err && !eof) { /* good data to send to file */
1703 p->buf[p->iosb.count] = '\n';
1704 iss2 = write(p->fd_out, p->buf, p->iosb.count+1);
1707 if (p->retry < MAX_RETRY) {
1708 _ckvmssts(sys$setimr(0,delaytime,pipe_mbxtofd_ast,p));
1718 iss = sys$qio(0, p->chan_in, IO$_READVBLK|(p->shut_on_empty ? IO$M_NOW : 0), &p->iosb,
1719 pipe_mbxtofd_ast, p,
1720 p->buf, p->bufsize, 0, 0, 0, 0);
1721 if (p->shut_on_empty && (iss == SS$_ENDOFFILE)) iss = SS$_NORMAL;
1726 typedef struct _pipeloc PLOC;
1727 typedef struct _pipeloc* pPLOC;
1731 char dir[NAM$C_MAXRSS+1];
1733 static pPLOC head_PLOC = 0;
1736 free_pipelocs(void *head)
1753 AV *av = GvAVn(PL_incgv);
1758 char temp[NAM$C_MAXRSS+1];
1761 /* the . directory from @INC comes last */
1764 p->next = head_PLOC;
1766 strcpy(p->dir,"./");
1768 /* get the directory from $^X */
1770 if (PL_origargv && PL_origargv[0]) { /* maybe nul if embedded Perl */
1771 strcpy(temp, PL_origargv[0]);
1772 x = strrchr(temp,']');
1775 if ((unixdir = tounixpath(temp, Nullch)) != Nullch) {
1777 p->next = head_PLOC;
1779 strncpy(p->dir,unixdir,sizeof(p->dir)-1);
1780 p->dir[NAM$C_MAXRSS] = '\0';
1784 /* reverse order of @INC entries, skip "." since entered above */
1786 for (i = 0; i <= AvFILL(av); i++) {
1787 dirsv = *av_fetch(av,i,TRUE);
1789 if (SvROK(dirsv)) continue;
1790 dir = SvPVx(dirsv,n_a);
1791 if (strcmp(dir,".") == 0) continue;
1792 if ((unixdir = tounixpath(dir, Nullch)) == Nullch)
1796 p->next = head_PLOC;
1798 strncpy(p->dir,unixdir,sizeof(p->dir)-1);
1799 p->dir[NAM$C_MAXRSS] = '\0';
1802 /* most likely spot (ARCHLIB) put first in the list */
1805 if ((unixdir = tounixpath(ARCHLIB_EXP, Nullch)) != Nullch) {
1807 p->next = head_PLOC;
1809 strncpy(p->dir,unixdir,sizeof(p->dir)-1);
1810 p->dir[NAM$C_MAXRSS] = '\0';
1813 Perl_call_atexit(&free_pipelocs, head_PLOC);
1820 static int vmspipe_file_status = 0;
1821 static char vmspipe_file[NAM$C_MAXRSS+1];
1823 /* already found? Check and use ... need read+execute permission */
1825 if (vmspipe_file_status == 1) {
1826 if (cando_by_name(S_IRUSR, 0, vmspipe_file)
1827 && cando_by_name(S_IXUSR, 0, vmspipe_file)) {
1828 return vmspipe_file;
1830 vmspipe_file_status = 0;
1833 /* scan through stored @INC, $^X */
1835 if (vmspipe_file_status == 0) {
1836 char file[NAM$C_MAXRSS+1];
1837 pPLOC p = head_PLOC;
1840 strcpy(file, p->dir);
1841 strncat(file, "vmspipe.com",NAM$C_MAXRSS);
1842 file[NAM$C_MAXRSS] = '\0';
1845 if (!do_tovmsspec(file,vmspipe_file,0)) continue;
1847 if (cando_by_name(S_IRUSR, 0, vmspipe_file)
1848 && cando_by_name(S_IXUSR, 0, vmspipe_file)) {
1849 vmspipe_file_status = 1;
1850 return vmspipe_file;
1853 vmspipe_file_status = -1; /* failed, use tempfiles */
1860 vmspipe_tempfile(void)
1862 char file[NAM$C_MAXRSS+1];
1864 static int index = 0;
1867 /* create a tempfile */
1869 /* we can't go from W, shr=get to R, shr=get without
1870 an intermediate vulnerable state, so don't bother trying...
1872 and lib$spawn doesn't shr=put, so have to close the write
1874 So... match up the creation date/time and the FID to
1875 make sure we're dealing with the same file
1880 sprintf(file,"sys$scratch:perlpipe_%08.8x_%d.com",mypid,index);
1881 fp = fopen(file,"w");
1883 sprintf(file,"sys$login:perlpipe_%08.8x_%d.com",mypid,index);
1884 fp = fopen(file,"w");
1886 sprintf(file,"sys$disk:[]perlpipe_%08.8x_%d.com",mypid,index);
1887 fp = fopen(file,"w");
1890 if (!fp) return 0; /* we're hosed */
1892 fprintf(fp,"$! 'f$verify(0)\n");
1893 fprintf(fp,"$! --- protect against nonstandard definitions ---\n");
1894 fprintf(fp,"$ perl_cfile = f$environment(\"procedure\")\n");
1895 fprintf(fp,"$ perl_define = \"define/nolog\"\n");
1896 fprintf(fp,"$ perl_on = \"set noon\"\n");
1897 fprintf(fp,"$ perl_exit = \"exit\"\n");
1898 fprintf(fp,"$ perl_del = \"delete\"\n");
1899 fprintf(fp,"$ pif = \"if\"\n");
1900 fprintf(fp,"$! --- define i/o redirection (sys$output set by lib$spawn)\n");
1901 fprintf(fp,"$ pif perl_popen_in .nes. \"\" then perl_define/user sys$input 'perl_popen_in'\n");
1902 fprintf(fp,"$ pif perl_popen_err .nes. \"\" then perl_define/user sys$error 'perl_popen_err'\n");
1903 fprintf(fp,"$ pif perl_popen_out .nes. \"\" then perl_define sys$output 'perl_popen_out'\n");
1904 fprintf(fp,"$ cmd = perl_popen_cmd\n");
1905 fprintf(fp,"$! --- get rid of global symbols\n");
1906 fprintf(fp,"$ perl_del/symbol/global perl_popen_in\n");
1907 fprintf(fp,"$ perl_del/symbol/global perl_popen_err\n");
1908 fprintf(fp,"$ perl_del/symbol/global perl_popen_out\n");
1909 fprintf(fp,"$ perl_del/symbol/global perl_popen_cmd\n");
1910 fprintf(fp,"$ perl_on\n");
1911 fprintf(fp,"$ 'cmd\n");
1912 fprintf(fp,"$ perl_status = $STATUS\n");
1913 fprintf(fp,"$ perl_del 'perl_cfile'\n");
1914 fprintf(fp,"$ perl_exit 'perl_status'\n");
1917 fgetname(fp, file, 1);
1918 fstat(fileno(fp), &s0);
1921 fp = fopen(file,"r","shr=get");
1923 fstat(fileno(fp), &s1);
1925 if (s0.st_ino[0] != s1.st_ino[0] ||
1926 s0.st_ino[1] != s1.st_ino[1] ||
1927 s0.st_ino[2] != s1.st_ino[2] ||
1928 s0.st_ctime != s1.st_ctime ) {
1939 safe_popen(char *cmd, char *mode)
1942 static int handler_set_up = FALSE;
1943 unsigned long int sts, flags=1; /* nowait - gnu c doesn't allow &1 */
1944 unsigned int table = LIB$K_CLI_GLOBAL_SYM;
1945 char *p, symbol[MAX_DCL_SYMBOL+1], *vmspipe;
1946 char in[512], out[512], err[512], mbx[512];
1948 char tfilebuf[NAM$C_MAXRSS+1];
1950 struct dsc$descriptor_s d_symbol= {0, DSC$K_DTYPE_T,
1951 DSC$K_CLASS_S, symbol};
1952 struct dsc$descriptor_s vmspipedsc = {0, DSC$K_DTYPE_T,
1955 $DESCRIPTOR(d_sym_cmd,"PERL_POPEN_CMD");
1956 $DESCRIPTOR(d_sym_in ,"PERL_POPEN_IN");
1957 $DESCRIPTOR(d_sym_out,"PERL_POPEN_OUT");
1958 $DESCRIPTOR(d_sym_err,"PERL_POPEN_ERR");
1960 /* once-per-program initialization...
1961 note that the SETAST calls and the dual test of pipe_ef
1962 makes sure that only the FIRST thread through here does
1963 the initialization...all other threads wait until it's
1966 Yeah, uglier than a pthread call, it's got all the stuff inline
1967 rather than in a separate routine.
1971 _ckvmssts(sys$setast(0));
1973 unsigned long int pidcode = JPI$_PID;
1974 $DESCRIPTOR(d_delay, RETRY_DELAY);
1975 _ckvmssts(lib$get_ef(&pipe_ef));
1976 _ckvmssts(lib$getjpi(&pidcode,0,0,&mypid,0,0));
1977 _ckvmssts(sys$bintim(&d_delay, delaytime));
1979 if (!handler_set_up) {
1980 _ckvmssts(sys$dclexh(&pipe_exitblock));
1981 handler_set_up = TRUE;
1983 _ckvmssts(sys$setast(1));
1986 /* see if we can find a VMSPIPE.COM */
1989 vmspipe = find_vmspipe();
1991 strcpy(tfilebuf+1,vmspipe);
1992 } else { /* uh, oh...we're in tempfile hell */
1993 tpipe = vmspipe_tempfile();
1994 if (!tpipe) { /* a fish popular in Boston */
1995 if (ckWARN(WARN_PIPE)) {
1996 Perl_warner(aTHX_ WARN_PIPE,"unable to find VMSPIPE.COM for i/o piping");
2000 fgetname(tpipe,tfilebuf+1,1);
2002 vmspipedsc.dsc$a_pointer = tfilebuf;
2003 vmspipedsc.dsc$w_length = strlen(tfilebuf);
2005 if (!(setup_cmddsc(cmd,0) & 1)) { set_errno(EINVAL); return Nullfp; }
2006 New(1301,info,1,Info);
2010 info->completion = 0;
2011 info->closing = FALSE;
2015 info->in_done = TRUE;
2016 info->out_done = TRUE;
2017 info->err_done = TRUE;
2018 in[0] = out[0] = err[0] = '\0';
2020 if (*mode == 'r') { /* piping from subroutine */
2022 info->out = pipe_infromchild_setup(mbx,out);
2024 info->out->pipe_done = &info->out_done;
2025 info->out_done = FALSE;
2026 info->out->info = info;
2028 info->fp = PerlIO_open(mbx, mode);
2029 if (!info->fp && info->out) {
2030 sys$cancel(info->out->chan_out);
2032 while (!info->out_done) {
2034 _ckvmssts(sys$setast(0));
2035 done = info->out_done;
2036 if (!done) _ckvmssts(sys$clref(pipe_ef));
2037 _ckvmssts(sys$setast(1));
2038 if (!done) _ckvmssts(sys$waitfr(pipe_ef));
2041 if (info->out->buf) Safefree(info->out->buf);
2042 Safefree(info->out);
2047 info->err = pipe_mbxtofd_setup(fileno(stderr), err);
2049 info->err->pipe_done = &info->err_done;
2050 info->err_done = FALSE;
2051 info->err->info = info;
2054 } else { /* piping to subroutine , mode=w*/
2056 info->in = pipe_tochild_setup(in,mbx);
2057 info->fp = PerlIO_open(mbx, mode);
2059 info->in->pipe_done = &info->in_done;
2060 info->in_done = FALSE;
2061 info->in->info = info;
2065 if (!info->fp && info->in) {
2067 _ckvmssts(sys$qiow(0,info->in->chan_in, IO$_WRITEOF, 0,
2068 0, 0, 0, 0, 0, 0, 0, 0));
2070 while (!info->in_done) {
2072 _ckvmssts(sys$setast(0));
2073 done = info->in_done;
2074 if (!done) _ckvmssts(sys$clref(pipe_ef));
2075 _ckvmssts(sys$setast(1));
2076 if (!done) _ckvmssts(sys$waitfr(pipe_ef));
2079 if (info->in->buf) Safefree(info->in->buf);
2086 info->out = pipe_mbxtofd_setup(fileno(stdout), out);
2088 info->out->pipe_done = &info->out_done;
2089 info->out_done = FALSE;
2090 info->out->info = info;
2093 info->err = pipe_mbxtofd_setup(fileno(stderr), err);
2095 info->err->pipe_done = &info->err_done;
2096 info->err_done = FALSE;
2097 info->err->info = info;
2101 symbol[MAX_DCL_SYMBOL] = '\0';
2103 strncpy(symbol, in, MAX_DCL_SYMBOL);
2104 d_symbol.dsc$w_length = strlen(symbol);
2105 _ckvmssts(lib$set_symbol(&d_sym_in, &d_symbol, &table));
2107 strncpy(symbol, err, MAX_DCL_SYMBOL);
2108 d_symbol.dsc$w_length = strlen(symbol);
2109 _ckvmssts(lib$set_symbol(&d_sym_err, &d_symbol, &table));
2111 strncpy(symbol, out, MAX_DCL_SYMBOL);
2112 d_symbol.dsc$w_length = strlen(symbol);
2113 _ckvmssts(lib$set_symbol(&d_sym_out, &d_symbol, &table));
2115 p = VMScmd.dsc$a_pointer;
2116 while (*p && *p != '\n') p++;
2117 *p = '\0'; /* truncate on \n */
2118 p = VMScmd.dsc$a_pointer;
2119 while (*p == ' ' || *p == '\t') p++; /* remove leading whitespace */
2120 if (*p == '$') p++; /* remove leading $ */
2121 while (*p == ' ' || *p == '\t') p++;
2122 strncpy(symbol, p, MAX_DCL_SYMBOL);
2123 d_symbol.dsc$w_length = strlen(symbol);
2124 _ckvmssts(lib$set_symbol(&d_sym_cmd, &d_symbol, &table));
2126 _ckvmssts(sys$setast(0));
2127 info->next=open_pipes; /* prepend to list */
2129 _ckvmssts(sys$setast(1));
2130 _ckvmssts(lib$spawn(&vmspipedsc, &nl_desc, &nl_desc, &flags,
2131 0, &info->pid, &info->completion,
2132 0, popen_completion_ast,info,0,0,0));
2134 /* if we were using a tempfile, close it now */
2136 if (tpipe) fclose(tpipe);
2138 /* once the subprocess is spawned, its copied the symbols and
2139 we can get rid of ours */
2141 _ckvmssts(lib$delete_symbol(&d_sym_cmd, &table));
2142 _ckvmssts(lib$delete_symbol(&d_sym_in, &table));
2143 _ckvmssts(lib$delete_symbol(&d_sym_err, &table));
2144 _ckvmssts(lib$delete_symbol(&d_sym_out, &table));
2147 PL_forkprocess = info->pid;
2149 } /* end of safe_popen */
2152 /*{{{ FILE *my_popen(char *cmd, char *mode)*/
2154 Perl_my_popen(pTHX_ char *cmd, char *mode)
2157 TAINT_PROPER("popen");
2158 PERL_FLUSHALL_FOR_CHILD;
2159 return safe_popen(cmd,mode);
2164 /*{{{ I32 my_pclose(FILE *fp)*/
2165 I32 Perl_my_pclose(pTHX_ FILE *fp)
2168 pInfo info, last = NULL;
2169 unsigned long int retsts;
2172 for (info = open_pipes; info != NULL; last = info, info = info->next)
2173 if (info->fp == fp) break;
2175 if (info == NULL) { /* no such pipe open */
2176 set_errno(ECHILD); /* quoth POSIX */
2177 set_vaxc_errno(SS$_NONEXPR);
2181 /* If we were writing to a subprocess, insure that someone reading from
2182 * the mailbox gets an EOF. It looks like a simple fclose() doesn't
2183 * produce an EOF record in the mailbox.
2185 * well, at least sometimes it *does*, so we have to watch out for
2186 * the first EOF closing the pipe (and DASSGN'ing the channel)...
2189 fsync(fileno(info->fp)); /* first, flush data */
2191 _ckvmssts(sys$setast(0));
2192 info->closing = TRUE;
2193 done = info->done && info->in_done && info->out_done && info->err_done;
2194 /* hanging on write to Perl's input? cancel it */
2195 if (info->mode == 'r' && info->out && !info->out_done) {
2196 if (info->out->chan_out) {
2197 _ckvmssts(sys$cancel(info->out->chan_out));
2198 if (!info->out->chan_in) { /* EOF generation, need AST */
2199 _ckvmssts(sys$dclast(pipe_infromchild_ast,info->out,0));
2203 if (info->in && !info->in_done && !info->in->shut_on_empty) /* EOF if hasn't had one yet */
2204 _ckvmssts(sys$qio(0,info->in->chan_in,IO$_WRITEOF,0,0,0,
2206 _ckvmssts(sys$setast(1));
2207 PerlIO_close(info->fp);
2210 we have to wait until subprocess completes, but ALSO wait until all
2211 the i/o completes...otherwise we'll be freeing the "info" structure
2212 that the i/o ASTs could still be using...
2216 _ckvmssts(sys$setast(0));
2217 done = info->done && info->in_done && info->out_done && info->err_done;
2218 if (!done) _ckvmssts(sys$clref(pipe_ef));
2219 _ckvmssts(sys$setast(1));
2220 if (!done) _ckvmssts(sys$waitfr(pipe_ef));
2222 retsts = info->completion;
2224 /* remove from list of open pipes */
2225 _ckvmssts(sys$setast(0));
2226 if (last) last->next = info->next;
2227 else open_pipes = info->next;
2228 _ckvmssts(sys$setast(1));
2230 /* free buffers and structures */
2233 if (info->in->buf) Safefree(info->in->buf);
2237 if (info->out->buf) Safefree(info->out->buf);
2238 Safefree(info->out);
2241 if (info->err->buf) Safefree(info->err->buf);
2242 Safefree(info->err);
2248 } /* end of my_pclose() */
2250 /* sort-of waitpid; use only with popen() */
2251 /*{{{Pid_t my_waitpid(Pid_t pid, int *statusp, int flags)*/
2253 my_waitpid(Pid_t pid, int *statusp, int flags)
2259 for (info = open_pipes; info != NULL; info = info->next)
2260 if (info->pid == pid) break;
2262 if (info != NULL) { /* we know about this child */
2263 while (!info->done) {
2264 _ckvmssts(sys$setast(0));
2266 if (!done) _ckvmssts(sys$clref(pipe_ef));
2267 _ckvmssts(sys$setast(1));
2268 if (!done) _ckvmssts(sys$waitfr(pipe_ef));
2271 *statusp = info->completion;
2274 else { /* we haven't heard of this child */
2275 $DESCRIPTOR(intdsc,"0 00:00:01");
2276 unsigned long int ownercode = JPI$_OWNER, ownerpid, mypid;
2277 unsigned long int interval[2],sts;
2279 if (ckWARN(WARN_EXEC)) {
2280 _ckvmssts(lib$getjpi(&ownercode,&pid,0,&ownerpid,0,0));
2281 _ckvmssts(lib$getjpi(&ownercode,0,0,&mypid,0,0));
2282 if (ownerpid != mypid)
2283 Perl_warner(aTHX_ WARN_EXEC,"pid %x not a child",pid);
2286 _ckvmssts(sys$bintim(&intdsc,interval));
2287 while ((sts=lib$getjpi(&ownercode,&pid,0,&ownerpid,0,0)) & 1) {
2288 _ckvmssts(sys$schdwk(0,0,interval,0));
2289 _ckvmssts(sys$hiber());
2291 if (sts == SS$_NONEXPR) sts = SS$_NORMAL;
2294 /* There's no easy way to find the termination status a child we're
2295 * not aware of beforehand. If we're really interested in the future,
2296 * we can go looking for a termination mailbox, or chase after the
2297 * accounting record for the process.
2303 } /* end of waitpid() */
2308 /*{{{ char *my_gconvert(double val, int ndig, int trail, char *buf) */
2310 my_gconvert(double val, int ndig, int trail, char *buf)
2312 static char __gcvtbuf[DBL_DIG+1];
2315 loc = buf ? buf : __gcvtbuf;
2317 #ifndef __DECC /* VAXCRTL gcvt uses E format for numbers < 1 */
2319 sprintf(loc,"%.*g",ndig,val);
2325 if (!buf && ndig > DBL_DIG) ndig = DBL_DIG;
2326 return gcvt(val,ndig,loc);
2329 loc[0] = '0'; loc[1] = '\0';
2337 /*{{{char *do_rmsexpand(char *fspec, char *out, int ts, char *def, unsigned opts)*/
2338 /* Shortcut for common case of simple calls to $PARSE and $SEARCH
2339 * to expand file specification. Allows for a single default file
2340 * specification and a simple mask of options. If outbuf is non-NULL,
2341 * it must point to a buffer at least NAM$C_MAXRSS bytes long, into which
2342 * the resultant file specification is placed. If outbuf is NULL, the
2343 * resultant file specification is placed into a static buffer.
2344 * The third argument, if non-NULL, is taken to be a default file
2345 * specification string. The fourth argument is unused at present.
2346 * rmesexpand() returns the address of the resultant string if
2347 * successful, and NULL on error.
2349 static char *mp_do_tounixspec(pTHX_ char *, char *, int);
2352 mp_do_rmsexpand(pTHX_ char *filespec, char *outbuf, int ts, char *defspec, unsigned opts)
2354 static char __rmsexpand_retbuf[NAM$C_MAXRSS+1];
2355 char vmsfspec[NAM$C_MAXRSS+1], tmpfspec[NAM$C_MAXRSS+1];
2356 char esa[NAM$C_MAXRSS], *cp, *out = NULL;
2357 struct FAB myfab = cc$rms_fab;
2358 struct NAM mynam = cc$rms_nam;
2360 unsigned long int retsts, trimver, trimtype, haslower = 0, isunix = 0;
2362 if (!filespec || !*filespec) {
2363 set_vaxc_errno(LIB$_INVARG); set_errno(EINVAL);
2367 if (ts) out = New(1319,outbuf,NAM$C_MAXRSS+1,char);
2368 else outbuf = __rmsexpand_retbuf;
2370 if ((isunix = (strchr(filespec,'/') != NULL))) {
2371 if (do_tovmsspec(filespec,vmsfspec,0) == NULL) return NULL;
2372 filespec = vmsfspec;
2375 myfab.fab$l_fna = filespec;
2376 myfab.fab$b_fns = strlen(filespec);
2377 myfab.fab$l_nam = &mynam;
2379 if (defspec && *defspec) {
2380 if (strchr(defspec,'/') != NULL) {
2381 if (do_tovmsspec(defspec,tmpfspec,0) == NULL) return NULL;
2384 myfab.fab$l_dna = defspec;
2385 myfab.fab$b_dns = strlen(defspec);
2388 mynam.nam$l_esa = esa;
2389 mynam.nam$b_ess = sizeof esa;
2390 mynam.nam$l_rsa = outbuf;
2391 mynam.nam$b_rss = NAM$C_MAXRSS;
2393 retsts = sys$parse(&myfab,0,0);
2394 if (!(retsts & 1)) {
2395 mynam.nam$b_nop |= NAM$M_SYNCHK;
2396 if (retsts == RMS$_DNF || retsts == RMS$_DIR || retsts == RMS$_DEV) {
2397 retsts = sys$parse(&myfab,0,0);
2398 if (retsts & 1) goto expanded;
2400 mynam.nam$l_rlf = NULL; myfab.fab$b_dns = 0;
2401 (void) sys$parse(&myfab,0,0); /* Free search context */
2402 if (out) Safefree(out);
2403 set_vaxc_errno(retsts);
2404 if (retsts == RMS$_PRV) set_errno(EACCES);
2405 else if (retsts == RMS$_DEV) set_errno(ENODEV);
2406 else if (retsts == RMS$_DIR) set_errno(ENOTDIR);
2407 else set_errno(EVMSERR);
2410 retsts = sys$search(&myfab,0,0);
2411 if (!(retsts & 1) && retsts != RMS$_FNF) {
2412 mynam.nam$b_nop |= NAM$M_SYNCHK; mynam.nam$l_rlf = NULL;
2413 myfab.fab$b_dns = 0; (void) sys$parse(&myfab,0,0); /* Free search context */
2414 if (out) Safefree(out);
2415 set_vaxc_errno(retsts);
2416 if (retsts == RMS$_PRV) set_errno(EACCES);
2417 else set_errno(EVMSERR);
2421 /* If the input filespec contained any lowercase characters,
2422 * downcase the result for compatibility with Unix-minded code. */
2424 for (out = myfab.fab$l_fna; *out; out++)
2425 if (islower(*out)) { haslower = 1; break; }
2426 if (mynam.nam$b_rsl) { out = outbuf; speclen = mynam.nam$b_rsl; }
2427 else { out = esa; speclen = mynam.nam$b_esl; }
2428 /* Trim off null fields added by $PARSE
2429 * If type > 1 char, must have been specified in original or default spec
2430 * (not true for version; $SEARCH may have added version of existing file).
2432 trimver = !(mynam.nam$l_fnb & NAM$M_EXP_VER);
2433 trimtype = !(mynam.nam$l_fnb & NAM$M_EXP_TYPE) &&
2434 (mynam.nam$l_ver - mynam.nam$l_type == 1);
2435 if (trimver || trimtype) {
2436 if (defspec && *defspec) {
2437 char defesa[NAM$C_MAXRSS];
2438 struct FAB deffab = cc$rms_fab;
2439 struct NAM defnam = cc$rms_nam;
2441 deffab.fab$l_nam = &defnam;
2442 deffab.fab$l_fna = defspec; deffab.fab$b_fns = myfab.fab$b_dns;
2443 defnam.nam$l_esa = defesa; defnam.nam$b_ess = sizeof defesa;
2444 defnam.nam$b_nop = NAM$M_SYNCHK;
2445 if (sys$parse(&deffab,0,0) & 1) {
2446 if (trimver) trimver = !(defnam.nam$l_fnb & NAM$M_EXP_VER);
2447 if (trimtype) trimtype = !(defnam.nam$l_fnb & NAM$M_EXP_TYPE);
2450 if (trimver) speclen = mynam.nam$l_ver - out;
2452 /* If we didn't already trim version, copy down */
2453 if (speclen > mynam.nam$l_ver - out)
2454 memcpy(mynam.nam$l_type, mynam.nam$l_ver,
2455 speclen - (mynam.nam$l_ver - out));
2456 speclen -= mynam.nam$l_ver - mynam.nam$l_type;
2459 /* If we just had a directory spec on input, $PARSE "helpfully"
2460 * adds an empty name and type for us */
2461 if (mynam.nam$l_name == mynam.nam$l_type &&
2462 mynam.nam$l_ver == mynam.nam$l_type + 1 &&
2463 !(mynam.nam$l_fnb & NAM$M_EXP_NAME))
2464 speclen = mynam.nam$l_name - out;
2465 out[speclen] = '\0';
2466 if (haslower) __mystrtolower(out);
2468 /* Have we been working with an expanded, but not resultant, spec? */
2469 /* Also, convert back to Unix syntax if necessary. */
2470 if (!mynam.nam$b_rsl) {
2472 if (do_tounixspec(esa,outbuf,0) == NULL) return NULL;
2474 else strcpy(outbuf,esa);
2477 if (do_tounixspec(outbuf,tmpfspec,0) == NULL) return NULL;
2478 strcpy(outbuf,tmpfspec);
2480 mynam.nam$b_nop |= NAM$M_SYNCHK; mynam.nam$l_rlf = NULL;
2481 mynam.nam$l_rsa = NULL; mynam.nam$b_rss = 0;
2482 myfab.fab$b_dns = 0; (void) sys$parse(&myfab,0,0); /* Free search context */
2486 /* External entry points */
2487 char *Perl_rmsexpand(pTHX_ char *spec, char *buf, char *def, unsigned opt)
2488 { return do_rmsexpand(spec,buf,0,def,opt); }
2489 char *Perl_rmsexpand_ts(pTHX_ char *spec, char *buf, char *def, unsigned opt)
2490 { return do_rmsexpand(spec,buf,1,def,opt); }
2494 ** The following routines are provided to make life easier when
2495 ** converting among VMS-style and Unix-style directory specifications.
2496 ** All will take input specifications in either VMS or Unix syntax. On
2497 ** failure, all return NULL. If successful, the routines listed below
2498 ** return a pointer to a buffer containing the appropriately
2499 ** reformatted spec (and, therefore, subsequent calls to that routine
2500 ** will clobber the result), while the routines of the same names with
2501 ** a _ts suffix appended will return a pointer to a mallocd string
2502 ** containing the appropriately reformatted spec.
2503 ** In all cases, only explicit syntax is altered; no check is made that
2504 ** the resulting string is valid or that the directory in question
2507 ** fileify_dirspec() - convert a directory spec into the name of the
2508 ** directory file (i.e. what you can stat() to see if it's a dir).
2509 ** The style (VMS or Unix) of the result is the same as the style
2510 ** of the parameter passed in.
2511 ** pathify_dirspec() - convert a directory spec into a path (i.e.
2512 ** what you prepend to a filename to indicate what directory it's in).
2513 ** The style (VMS or Unix) of the result is the same as the style
2514 ** of the parameter passed in.
2515 ** tounixpath() - convert a directory spec into a Unix-style path.
2516 ** tovmspath() - convert a directory spec into a VMS-style path.
2517 ** tounixspec() - convert any file spec into a Unix-style file spec.
2518 ** tovmsspec() - convert any file spec into a VMS-style spec.
2520 ** Copyright 1996 by Charles Bailey <bailey@newman.upenn.edu>
2521 ** Permission is given to distribute this code as part of the Perl
2522 ** standard distribution under the terms of the GNU General Public
2523 ** License or the Perl Artistic License. Copies of each may be
2524 ** found in the Perl standard distribution.
2527 /*{{{ char *fileify_dirspec[_ts](char *path, char *buf)*/
2528 static char *mp_do_fileify_dirspec(pTHX_ char *dir,char *buf,int ts)
2530 static char __fileify_retbuf[NAM$C_MAXRSS+1];
2531 unsigned long int dirlen, retlen, addmfd = 0, hasfilename = 0;
2532 char *retspec, *cp1, *cp2, *lastdir;
2533 char trndir[NAM$C_MAXRSS+2], vmsdir[NAM$C_MAXRSS+1];
2535 if (!dir || !*dir) {
2536 set_errno(EINVAL); set_vaxc_errno(SS$_BADPARAM); return NULL;
2538 dirlen = strlen(dir);
2539 while (dirlen && dir[dirlen-1] == '/') --dirlen;
2540 if (!dirlen) { /* We had Unixish '/' -- substitute top of current tree */
2541 strcpy(trndir,"/sys$disk/000000");
2545 if (dirlen > NAM$C_MAXRSS) {
2546 set_errno(ENAMETOOLONG); set_vaxc_errno(RMS$_SYN); return NULL;
2548 if (!strpbrk(dir+1,"/]>:")) {
2549 strcpy(trndir,*dir == '/' ? dir + 1: dir);
2550 while (!strpbrk(trndir,"/]>:>") && my_trnlnm(trndir,trndir,0)) ;
2552 dirlen = strlen(dir);
2555 strncpy(trndir,dir,dirlen);
2556 trndir[dirlen] = '\0';
2559 /* If we were handed a rooted logical name or spec, treat it like a
2560 * simple directory, so that
2561 * $ Define myroot dev:[dir.]
2562 * ... do_fileify_dirspec("myroot",buf,1) ...
2563 * does something useful.
2565 if (dirlen >= 2 && !strcmp(dir+dirlen-2,".]")) {
2566 dir[--dirlen] = '\0';
2567 dir[dirlen-1] = ']';
2570 if ((cp1 = strrchr(dir,']')) != NULL || (cp1 = strrchr(dir,'>')) != NULL) {
2571 /* If we've got an explicit filename, we can just shuffle the string. */
2572 if (*(cp1+1)) hasfilename = 1;
2573 /* Similarly, we can just back up a level if we've got multiple levels
2574 of explicit directories in a VMS spec which ends with directories. */
2576 for (cp2 = cp1; cp2 > dir; cp2--) {
2578 *cp2 = *cp1; *cp1 = '\0';
2582 if (*cp2 == '[' || *cp2 == '<') break;
2587 if (hasfilename || !strpbrk(dir,"]:>")) { /* Unix-style path or filename */
2588 if (dir[0] == '.') {
2589 if (dir[1] == '\0' || (dir[1] == '/' && dir[2] == '\0'))
2590 return do_fileify_dirspec("[]",buf,ts);
2591 else if (dir[1] == '.' &&
2592 (dir[2] == '\0' || (dir[2] == '/' && dir[3] == '\0')))
2593 return do_fileify_dirspec("[-]",buf,ts);
2595 if (dirlen && dir[dirlen-1] == '/') { /* path ends with '/'; just add .dir;1 */
2596 dirlen -= 1; /* to last element */
2597 lastdir = strrchr(dir,'/');
2599 else if ((cp1 = strstr(dir,"/.")) != NULL) {
2600 /* If we have "/." or "/..", VMSify it and let the VMS code
2601 * below expand it, rather than repeating the code to handle
2602 * relative components of a filespec here */
2604 if (*(cp1+2) == '.') cp1++;
2605 if (*(cp1+2) == '/' || *(cp1+2) == '\0') {
2606 if (do_tovmsspec(dir,vmsdir,0) == NULL) return NULL;
2607 if (strchr(vmsdir,'/') != NULL) {
2608 /* If do_tovmsspec() returned it, it must have VMS syntax
2609 * delimiters in it, so it's a mixed VMS/Unix spec. We take
2610 * the time to check this here only so we avoid a recursion
2611 * loop; otherwise, gigo.
2613 set_errno(EINVAL); set_vaxc_errno(RMS$_SYN); return NULL;
2615 if (do_fileify_dirspec(vmsdir,trndir,0) == NULL) return NULL;
2616 return do_tounixspec(trndir,buf,ts);
2619 } while ((cp1 = strstr(cp1,"/.")) != NULL);
2620 lastdir = strrchr(dir,'/');
2622 else if (dirlen >= 7 && !strcmp(&dir[dirlen-7],"/000000")) {
2623 /* Ditto for specs that end in an MFD -- let the VMS code
2624 * figure out whether it's a real device or a rooted logical. */
2625 dir[dirlen] = '/'; dir[dirlen+1] = '\0';
2626 if (do_tovmsspec(dir,vmsdir,0) == NULL) return NULL;
2627 if (do_fileify_dirspec(vmsdir,trndir,0) == NULL) return NULL;
2628 return do_tounixspec(trndir,buf,ts);
2631 if ( !(lastdir = cp1 = strrchr(dir,'/')) &&
2632 !(lastdir = cp1 = strrchr(dir,']')) &&
2633 !(lastdir = cp1 = strrchr(dir,'>'))) cp1 = dir;
2634 if ((cp2 = strchr(cp1,'.'))) { /* look for explicit type */
2636 if (!*(cp2+1) || toupper(*(cp2+1)) != 'D' || /* Wrong type. */
2637 !*(cp2+2) || toupper(*(cp2+2)) != 'I' || /* Bzzt. */
2638 !*(cp2+3) || toupper(*(cp2+3)) != 'R' ||
2639 (*(cp2+4) && ((*(cp2+4) != ';' && *(cp2+4) != '.') ||
2640 (*(cp2+5) && ((ver = strtol(cp2+5,&cp3,10)) != 1 &&
2641 (ver || *cp3)))))) {
2643 set_vaxc_errno(RMS$_DIR);
2649 /* If we lead off with a device or rooted logical, add the MFD
2650 if we're specifying a top-level directory. */
2651 if (lastdir && *dir == '/') {
2653 for (cp1 = lastdir - 1; cp1 > dir; cp1--) {
2660 retlen = dirlen + (addmfd ? 13 : 6);
2661 if (buf) retspec = buf;
2662 else if (ts) New(1309,retspec,retlen+1,char);
2663 else retspec = __fileify_retbuf;
2665 dirlen = lastdir - dir;
2666 memcpy(retspec,dir,dirlen);
2667 strcpy(&retspec[dirlen],"/000000");
2668 strcpy(&retspec[dirlen+7],lastdir);
2671 memcpy(retspec,dir,dirlen);
2672 retspec[dirlen] = '\0';
2674 /* We've picked up everything up to the directory file name.
2675 Now just add the type and version, and we're set. */
2676 strcat(retspec,".dir;1");
2679 else { /* VMS-style directory spec */
2680 char esa[NAM$C_MAXRSS+1], term, *cp;
2681 unsigned long int sts, cmplen, haslower = 0;
2682 struct FAB dirfab = cc$rms_fab;
2683 struct NAM savnam, dirnam = cc$rms_nam;
2685 dirfab.fab$b_fns = strlen(dir);
2686 dirfab.fab$l_fna = dir;
2687 dirfab.fab$l_nam = &dirnam;
2688 dirfab.fab$l_dna = ".DIR;1";
2689 dirfab.fab$b_dns = 6;
2690 dirnam.nam$b_ess = NAM$C_MAXRSS;
2691 dirnam.nam$l_esa = esa;
2693 for (cp = dir; *cp; cp++)
2694 if (islower(*cp)) { haslower = 1; break; }
2695 if (!((sts = sys$parse(&dirfab))&1)) {
2696 if (dirfab.fab$l_sts == RMS$_DIR) {
2697 dirnam.nam$b_nop |= NAM$M_SYNCHK;
2698 sts = sys$parse(&dirfab) & 1;
2702 set_vaxc_errno(dirfab.fab$l_sts);
2708 if (sys$search(&dirfab)&1) { /* Does the file really exist? */
2709 /* Yes; fake the fnb bits so we'll check type below */
2710 dirnam.nam$l_fnb |= NAM$M_EXP_TYPE | NAM$M_EXP_VER;
2712 else { /* No; just work with potential name */
2713 if (dirfab.fab$l_sts == RMS$_FNF) dirnam = savnam;
2715 set_errno(EVMSERR); set_vaxc_errno(dirfab.fab$l_sts);
2716 dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL;
2717 dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0);
2722 if (!(dirnam.nam$l_fnb & (NAM$M_EXP_DEV | NAM$M_EXP_DIR))) {
2723 cp1 = strchr(esa,']');
2724 if (!cp1) cp1 = strchr(esa,'>');
2725 if (cp1) { /* Should always be true */
2726 dirnam.nam$b_esl -= cp1 - esa - 1;
2727 memcpy(esa,cp1 + 1,dirnam.nam$b_esl);
2730 if (dirnam.nam$l_fnb & NAM$M_EXP_TYPE) { /* Was type specified? */
2731 /* Yep; check version while we're at it, if it's there. */
2732 cmplen = (dirnam.nam$l_fnb & NAM$M_EXP_VER) ? 6 : 4;
2733 if (strncmp(dirnam.nam$l_type,".DIR;1",cmplen)) {
2734 /* Something other than .DIR[;1]. Bzzt. */
2735 dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL;
2736 dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0);
2738 set_vaxc_errno(RMS$_DIR);
2742 esa[dirnam.nam$b_esl] = '\0';
2743 if (dirnam.nam$l_fnb & NAM$M_EXP_NAME) {
2744 /* They provided at least the name; we added the type, if necessary, */
2745 if (buf) retspec = buf; /* in sys$parse() */
2746 else if (ts) New(1311,retspec,dirnam.nam$b_esl+1,char);
2747 else retspec = __fileify_retbuf;
2748 strcpy(retspec,esa);
2749 dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL;
2750 dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0);
2753 if ((cp1 = strstr(esa,".][000000]")) != NULL) {
2754 for (cp2 = cp1 + 9; *cp2; cp1++,cp2++) *cp1 = *cp2;
2756 dirnam.nam$b_esl -= 9;
2758 if ((cp1 = strrchr(esa,']')) == NULL) cp1 = strrchr(esa,'>');
2759 if (cp1 == NULL) { /* should never happen */
2760 dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL;
2761 dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0);
2766 retlen = strlen(esa);
2767 if ((cp1 = strrchr(esa,'.')) != NULL) {
2768 /* There's more than one directory in the path. Just roll back. */
2770 if (buf) retspec = buf;
2771 else if (ts) New(1311,retspec,retlen+7,char);
2772 else retspec = __fileify_retbuf;
2773 strcpy(retspec,esa);
2776 if (dirnam.nam$l_fnb & NAM$M_ROOT_DIR) {
2777 /* Go back and expand rooted logical name */
2778 dirnam.nam$b_nop = NAM$M_SYNCHK | NAM$M_NOCONCEAL;
2779 if (!(sys$parse(&dirfab) & 1)) {
2780 dirnam.nam$l_rlf = NULL;
2781 dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0);
2783 set_vaxc_errno(dirfab.fab$l_sts);
2786 retlen = dirnam.nam$b_esl - 9; /* esa - '][' - '].DIR;1' */
2787 if (buf) retspec = buf;
2788 else if (ts) New(1312,retspec,retlen+16,char);
2789 else retspec = __fileify_retbuf;
2790 cp1 = strstr(esa,"][");
2792 memcpy(retspec,esa,dirlen);
2793 if (!strncmp(cp1+2,"000000]",7)) {
2794 retspec[dirlen-1] = '\0';
2795 for (cp1 = retspec+dirlen-1; *cp1 != '.' && *cp1 != '['; cp1--) ;
2796 if (*cp1 == '.') *cp1 = ']';
2798 memmove(cp1+8,cp1+1,retspec+dirlen-cp1);
2799 memcpy(cp1+1,"000000]",7);
2803 memcpy(retspec+dirlen,cp1+2,retlen-dirlen);
2804 retspec[retlen] = '\0';
2805 /* Convert last '.' to ']' */
2806 for (cp1 = retspec+retlen-1; *cp1 != '.' && *cp1 != '['; cp1--) ;
2807 if (*cp1 == '.') *cp1 = ']';
2809 memmove(cp1+8,cp1+1,retspec+dirlen-cp1);
2810 memcpy(cp1+1,"000000]",7);
2814 else { /* This is a top-level dir. Add the MFD to the path. */
2815 if (buf) retspec = buf;
2816 else if (ts) New(1312,retspec,retlen+16,char);
2817 else retspec = __fileify_retbuf;
2820 while (*cp1 != ':') *(cp2++) = *(cp1++);
2821 strcpy(cp2,":[000000]");
2826 dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL;
2827 dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0);
2828 /* We've set up the string up through the filename. Add the
2829 type and version, and we're done. */
2830 strcat(retspec,".DIR;1");
2832 /* $PARSE may have upcased filespec, so convert output to lower
2833 * case if input contained any lowercase characters. */
2834 if (haslower) __mystrtolower(retspec);
2837 } /* end of do_fileify_dirspec() */
2839 /* External entry points */
2840 char *Perl_fileify_dirspec(pTHX_ char *dir, char *buf)
2841 { return do_fileify_dirspec(dir,buf,0); }
2842 char *Perl_fileify_dirspec_ts(pTHX_ char *dir, char *buf)
2843 { return do_fileify_dirspec(dir,buf,1); }
2845 /*{{{ char *pathify_dirspec[_ts](char *path, char *buf)*/
2846 static char *mp_do_pathify_dirspec(pTHX_ char *dir,char *buf, int ts)
2848 static char __pathify_retbuf[NAM$C_MAXRSS+1];
2849 unsigned long int retlen;
2850 char *retpath, *cp1, *cp2, trndir[NAM$C_MAXRSS+1];
2852 if (!dir || !*dir) {
2853 set_errno(EINVAL); set_vaxc_errno(SS$_BADPARAM); return NULL;
2856 if (*dir) strcpy(trndir,dir);
2857 else getcwd(trndir,sizeof trndir - 1);
2859 while (!strpbrk(trndir,"/]:>") && !no_translate_barewords
2860 && my_trnlnm(trndir,trndir,0)) {
2861 STRLEN trnlen = strlen(trndir);
2863 /* Trap simple rooted lnms, and return lnm:[000000] */
2864 if (!strcmp(trndir+trnlen-2,".]")) {
2865 if (buf) retpath = buf;
2866 else if (ts) New(1318,retpath,strlen(dir)+10,char);
2867 else retpath = __pathify_retbuf;
2868 strcpy(retpath,dir);
2869 strcat(retpath,":[000000]");
2875 if (!strpbrk(dir,"]:>")) { /* Unix-style path or plain name */
2876 if (*dir == '.' && (*(dir+1) == '\0' ||
2877 (*(dir+1) == '.' && *(dir+2) == '\0')))
2878 retlen = 2 + (*(dir+1) != '\0');
2880 if ( !(cp1 = strrchr(dir,'/')) &&
2881 !(cp1 = strrchr(dir,']')) &&
2882 !(cp1 = strrchr(dir,'>')) ) cp1 = dir;
2883 if ((cp2 = strchr(cp1,'.')) != NULL &&
2884 (*(cp2-1) != '/' || /* Trailing '.', '..', */
2885 !(*(cp2+1) == '\0' || /* or '...' are dirs. */
2886 (*(cp2+1) == '.' && *(cp2+2) == '\0') ||
2887 (*(cp2+1) == '.' && *(cp2+2) == '.' && *(cp2+3) == '\0')))) {
2889 if (!*(cp2+1) || toupper(*(cp2+1)) != 'D' || /* Wrong type. */
2890 !*(cp2+2) || toupper(*(cp2+2)) != 'I' || /* Bzzt. */
2891 !*(cp2+3) || toupper(*(cp2+3)) != 'R' ||
2892 (*(cp2+4) && ((*(cp2+4) != ';' && *(cp2+4) != '.') ||
2893 (*(cp2+5) && ((ver = strtol(cp2+5,&cp3,10)) != 1 &&
2894 (ver || *cp3)))))) {
2896 set_vaxc_errno(RMS$_DIR);
2899 retlen = cp2 - dir + 1;
2901 else { /* No file type present. Treat the filename as a directory. */
2902 retlen = strlen(dir) + 1;
2905 if (buf) retpath = buf;
2906 else if (ts) New(1313,retpath,retlen+1,char);
2907 else retpath = __pathify_retbuf;
2908 strncpy(retpath,dir,retlen-1);
2909 if (retpath[retlen-2] != '/') { /* If the path doesn't already end */
2910 retpath[retlen-1] = '/'; /* with '/', add it. */
2911 retpath[retlen] = '\0';
2913 else retpath[retlen-1] = '\0';
2915 else { /* VMS-style directory spec */
2916 char esa[NAM$C_MAXRSS+1], *cp;
2917 unsigned long int sts, cmplen, haslower;
2918 struct FAB dirfab = cc$rms_fab;
2919 struct NAM savnam, dirnam = cc$rms_nam;
2921 /* If we've got an explicit filename, we can just shuffle the string. */
2922 if ( ( (cp1 = strrchr(dir,']')) != NULL ||
2923 (cp1 = strrchr(dir,'>')) != NULL ) && *(cp1+1)) {
2924 if ((cp2 = strchr(cp1,'.')) != NULL) {
2926 if (!*(cp2+1) || toupper(*(cp2+1)) != 'D' || /* Wrong type. */
2927 !*(cp2+2) || toupper(*(cp2+2)) != 'I' || /* Bzzt. */
2928 !*(cp2+3) || toupper(*(cp2+3)) != 'R' ||
2929 (*(cp2+4) && ((*(cp2+4) != ';' && *(cp2+4) != '.') ||
2930 (*(cp2+5) && ((ver = strtol(cp2+5,&cp3,10)) != 1 &&
2931 (ver || *cp3)))))) {
2933 set_vaxc_errno(RMS$_DIR);
2937 else { /* No file type, so just draw name into directory part */
2938 for (cp2 = cp1; *cp2; cp2++) ;
2941 *(cp2+1) = '\0'; /* OK; trndir is guaranteed to be long enough */
2943 /* We've now got a VMS 'path'; fall through */
2945 dirfab.fab$b_fns = strlen(dir);
2946 dirfab.fab$l_fna = dir;
2947 if (dir[dirfab.fab$b_fns-1] == ']' ||
2948 dir[dirfab.fab$b_fns-1] == '>' ||
2949 dir[dirfab.fab$b_fns-1] == ':') { /* It's already a VMS 'path' */
2950 if (buf) retpath = buf;
2951 else if (ts) New(1314,retpath,strlen(dir)+1,char);
2952 else retpath = __pathify_retbuf;
2953 strcpy(retpath,dir);
2956 dirfab.fab$l_dna = ".DIR;1";
2957 dirfab.fab$b_dns = 6;
2958 dirfab.fab$l_nam = &dirnam;
2959 dirnam.nam$b_ess = (unsigned char) sizeof esa - 1;
2960 dirnam.nam$l_esa = esa;
2962 for (cp = dir; *cp; cp++)
2963 if (islower(*cp)) { haslower = 1; break; }
2965 if (!(sts = (sys$parse(&dirfab)&1))) {
2966 if (dirfab.fab$l_sts == RMS$_DIR) {
2967 dirnam.nam$b_nop |= NAM$M_SYNCHK;
2968 sts = sys$parse(&dirfab) & 1;
2972 set_vaxc_errno(dirfab.fab$l_sts);
2978 if (!(sys$search(&dirfab)&1)) { /* Does the file really exist? */
2979 if (dirfab.fab$l_sts != RMS$_FNF) {
2980 dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL;
2981 dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0);
2983 set_vaxc_errno(dirfab.fab$l_sts);
2986 dirnam = savnam; /* No; just work with potential name */
2989 if (dirnam.nam$l_fnb & NAM$M_EXP_TYPE) { /* Was type specified? */
2990 /* Yep; check version while we're at it, if it's there. */
2991 cmplen = (dirnam.nam$l_fnb & NAM$M_EXP_VER) ? 6 : 4;
2992 if (strncmp(dirnam.nam$l_type,".DIR;1",cmplen)) {
2993 /* Something other than .DIR[;1]. Bzzt. */
2994 dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL;
2995 dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0);
2997 set_vaxc_errno(RMS$_DIR);
3001 /* OK, the type was fine. Now pull any file name into the
3003 if ((cp1 = strrchr(esa,']'))) *dirnam.nam$l_type = ']';
3005 cp1 = strrchr(esa,'>');
3006 *dirnam.nam$l_type = '>';
3009 *(dirnam.nam$l_type + 1) = '\0';
3010 retlen = dirnam.nam$l_type - esa + 2;
3011 if (buf) retpath = buf;
3012 else if (ts) New(1314,retpath,retlen,char);
3013 else retpath = __pathify_retbuf;
3014 strcpy(retpath,esa);
3015 dirnam.nam$b_nop |= NAM$M_SYNCHK; dirnam.nam$l_rlf = NULL;
3016 dirfab.fab$b_dns = 0; (void) sys$parse(&dirfab,0,0);
3017 /* $PARSE may have upcased filespec, so convert output to lower
3018 * case if input contained any lowercase characters. */
3019 if (haslower) __mystrtolower(retpath);
3023 } /* end of do_pathify_dirspec() */
3025 /* External entry points */
3026 char *Perl_pathify_dirspec(pTHX_ char *dir, char *buf)
3027 { return do_pathify_dirspec(dir,buf,0); }
3028 char *Perl_pathify_dirspec_ts(pTHX_ char *dir, char *buf)
3029 { return do_pathify_dirspec(dir,buf,1); }
3031 /*{{{ char *tounixspec[_ts](char *path, char *buf)*/
3032 static char *mp_do_tounixspec(pTHX_ char *spec, char *buf, int ts)
3034 static char __tounixspec_retbuf[NAM$C_MAXRSS+1];
3035 char *dirend, *rslt, *cp1, *cp2, *cp3, tmp[NAM$C_MAXRSS+1];
3036 int devlen, dirlen, retlen = NAM$C_MAXRSS+1, expand = 0;
3038 if (spec == NULL) return NULL;
3039 if (strlen(spec) > NAM$C_MAXRSS) return NULL;
3040 if (buf) rslt = buf;
3042 retlen = strlen(spec);
3043 cp1 = strchr(spec,'[');
3044 if (!cp1) cp1 = strchr(spec,'<');
3046 for (cp1++; *cp1; cp1++) {
3047 if (*cp1 == '-') expand++; /* VMS '-' ==> Unix '../' */
3048 if (*cp1 == '.' && *(cp1+1) == '.' && *(cp1+2) == '.')
3049 { expand++; cp1 +=2; } /* VMS '...' ==> Unix '/.../' */
3052 New(1315,rslt,retlen+2+2*expand,char);
3054 else rslt = __tounixspec_retbuf;
3055 if (strchr(spec,'/') != NULL) {
3062 dirend = strrchr(spec,']');
3063 if (dirend == NULL) dirend = strrchr(spec,'>');
3064 if (dirend == NULL) dirend = strchr(spec,':');
3065 if (dirend == NULL) {
3069 if (*cp2 != '[' && *cp2 != '<') {
3072 else { /* the VMS spec begins with directories */
3074 if (*cp2 == ']' || *cp2 == '>') {
3075 *(cp1++) = '.'; *(cp1++) = '/'; *(cp1++) = '\0';
3078 else if ( *cp2 != '.' && *cp2 != '-') { /* add the implied device */
3079 if (getcwd(tmp,sizeof tmp,1) == NULL) {
3080 if (ts) Safefree(rslt);
3085 while (*cp3 != ':' && *cp3) cp3++;
3087 if (strchr(cp3,']') != NULL) break;
3088 } while (vmstrnenv(tmp,tmp,0,fildev,0));
3090 ((devlen = strlen(tmp)) + (dirlen = strlen(cp2)) + 1 > retlen)) {
3091 retlen = devlen + dirlen;
3092 Renew(rslt,retlen+1+2*expand,char);
3098 *(cp1++) = *(cp3++);
3099 if (cp1 - rslt > NAM$C_MAXRSS && !ts && !buf) return NULL; /* No room */
3103 else if ( *cp2 == '.') {
3104 if (*(cp2+1) == '.' && *(cp2+2) == '.') {
3105 *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '/';
3111 for (; cp2 <= dirend; cp2++) {
3114 if (*(cp2+1) == '[') cp2++;
3116 else if (*cp2 == ']' || *cp2 == '>') {
3117 if (*(cp1-1) != '/') *(cp1++) = '/'; /* Don't double after ellipsis */
3119 else if (*cp2 == '.') {
3121 if (*(cp2+1) == ']' || *(cp2+1) == '>') {
3122 while (*(cp2+1) == ']' || *(cp2+1) == '>' ||
3123 *(cp2+1) == '[' || *(cp2+1) == '<') cp2++;
3124 if (!strncmp(cp2,"[000000",7) && (*(cp2+7) == ']' ||
3125 *(cp2+7) == '>' || *(cp2+7) == '.')) cp2 += 7;
3127 else if ( *(cp2+1) == '.' && *(cp2+2) == '.') {
3128 *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) ='/';
3132 else if (*cp2 == '-') {
3133 if (*(cp2-1) == '[' || *(cp2-1) == '<' || *(cp2-1) == '.') {
3134 while (*cp2 == '-') {
3136 *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '/';
3138 if (*cp2 != '.' && *cp2 != ']' && *cp2 != '>') { /* we don't allow */
3139 if (ts) Safefree(rslt); /* filespecs like */
3140 set_errno(EINVAL); set_vaxc_errno(RMS$_SYN); /* [fred.--foo.bar] */
3144 else *(cp1++) = *cp2;
3146 else *(cp1++) = *cp2;
3148 while (*cp2) *(cp1++) = *(cp2++);
3153 } /* end of do_tounixspec() */
3155 /* External entry points */
3156 char *Perl_tounixspec(pTHX_ char *spec, char *buf) { return do_tounixspec(spec,buf,0); }
3157 char *Perl_tounixspec_ts(pTHX_ char *spec, char *buf) { return do_tounixspec(spec,buf,1); }
3159 /*{{{ char *tovmsspec[_ts](char *path, char *buf)*/
3160 static char *mp_do_tovmsspec(pTHX_ char *path, char *buf, int ts) {
3161 static char __tovmsspec_retbuf[NAM$C_MAXRSS+1];
3162 char *rslt, *dirend;
3163 register char *cp1, *cp2;
3164 unsigned long int infront = 0, hasdir = 1;
3166 if (path == NULL) return NULL;
3167 if (buf) rslt = buf;
3168 else if (ts) New(1316,rslt,strlen(path)+9,char);
3169 else rslt = __tovmsspec_retbuf;
3170 if (strpbrk(path,"]:>") ||
3171 (dirend = strrchr(path,'/')) == NULL) {
3172 if (path[0] == '.') {
3173 if (path[1] == '\0') strcpy(rslt,"[]");
3174 else if (path[1] == '.' && path[2] == '\0') strcpy(rslt,"[-]");
3175 else strcpy(rslt,path); /* probably garbage */
3177 else strcpy(rslt,path);
3180 if (*(dirend+1) == '.') { /* do we have trailing "/." or "/.." or "/..."? */
3181 if (!*(dirend+2)) dirend +=2;
3182 if (*(dirend+2) == '.' && !*(dirend+3)) dirend += 3;
3183 if (*(dirend+2) == '.' && *(dirend+3) == '.' && !*(dirend+4)) dirend += 4;
3188 char trndev[NAM$C_MAXRSS+1];
3192 while (*(cp2+1) == '/') cp2++; /* Skip multiple /s */
3194 if (!buf & ts) Renew(rslt,18,char);
3195 strcpy(rslt,"sys$disk:[000000]");
3198 while (*(++cp2) != '/' && *cp2) *(cp1++) = *cp2;
3200 islnm = my_trnlnm(rslt,trndev,0);
3201 trnend = islnm ? strlen(trndev) - 1 : 0;
3202 islnm = trnend ? (trndev[trnend] == ']' || trndev[trnend] == '>') : 0;
3203 rooted = islnm ? (trndev[trnend-1] == '.') : 0;
3204 /* If the first element of the path is a logical name, determine
3205 * whether it has to be translated so we can add more directories. */
3206 if (!islnm || rooted) {
3209 if (cp2 == dirend) while (infront++ < 6) *(cp1++) = '0';
3213 if (cp2 != dirend) {
3214 if (!buf && ts) Renew(rslt,strlen(path)-strlen(rslt)+trnend+4,char);
3215 strcpy(rslt,trndev);
3216 cp1 = rslt + trnend;
3229 if (*(cp2+1) == '/' || *(cp2+1) == '\0') {
3230 cp2 += 2; /* skip over "./" - it's redundant */
3231 *(cp1++) = '.'; /* but it does indicate a relative dirspec */
3233 else if (*(cp2+1) == '.' && (*(cp2+2) == '/' || *(cp2+2) == '\0')) {
3234 *(cp1++) = '-'; /* "../" --> "-" */
3237 else if (*(cp2+1) == '.' && *(cp2+2) == '.' &&
3238 (*(cp2+3) == '/' || *(cp2+3) == '\0')) {
3239 *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '.'; /* ".../" --> "..." */
3240 if (!*(cp2+4)) *(cp1++) = '.'; /* Simulate trailing '/' for later */
3243 if (cp2 > dirend) cp2 = dirend;
3245 else *(cp1++) = '.';
3247 for (; cp2 < dirend; cp2++) {
3249 if (*(cp2-1) == '/') continue;
3250 if (*(cp1-1) != '.') *(cp1++) = '.';
3253 else if (!infront && *cp2 == '.') {
3254 if (cp2+1 == dirend || *(cp2+1) == '\0') { cp2++; break; }
3255 else if (*(cp2+1) == '/') cp2++; /* skip over "./" - it's redundant */
3256 else if (*(cp2+1) == '.' && (*(cp2+2) == '/' || *(cp2+2) == '\0')) {
3257 if (*(cp1-1) == '-' || *(cp1-1) == '[') *(cp1++) = '-'; /* handle "../" */
3258 else if (*(cp1-2) == '[') *(cp1-1) = '-';
3259 else { /* back up over previous directory name */
3261 while (*(cp1-1) != '.' && *(cp1-1) != '[') cp1--;
3262 if (*(cp1-1) == '[') {
3263 memcpy(cp1,"000000.",7);
3268 if (cp2 == dirend) break;
3270 else if ( *(cp2+1) == '.' && *(cp2+2) == '.' &&
3271 (*(cp2+3) == '/' || *(cp2+3) == '\0') ) {
3272 if (*(cp1-1) != '.') *(cp1++) = '.'; /* May already have 1 from '/' */
3273 *(cp1++) = '.'; *(cp1++) = '.'; /* ".../" --> "..." */
3275 *(cp1++) = '.'; /* Simulate trailing '/' */
3276 cp2 += 2; /* for loop will incr this to == dirend */
3278 else cp2 += 3; /* Trailing '/' was there, so skip it, too */
3280 else *(cp1++) = '_'; /* fix up syntax - '.' in name not allowed */
3283 if (!infront && *(cp1-1) == '-') *(cp1++) = '.';
3284 if (*cp2 == '.') *(cp1++) = '_';
3285 else *(cp1++) = *cp2;
3289 if (*(cp1-1) == '.') cp1--; /* Unix spec ending in '/' ==> trailing '.' */
3290 if (hasdir) *(cp1++) = ']';
3291 if (*cp2) cp2++; /* check in case we ended with trailing '..' */
3292 while (*cp2) *(cp1++) = *(cp2++);
3297 } /* end of do_tovmsspec() */
3299 /* External entry points */
3300 char *Perl_tovmsspec(pTHX_ char *path, char *buf) { return do_tovmsspec(path,buf,0); }
3301 char *Perl_tovmsspec_ts(pTHX_ char *path, char *buf) { return do_tovmsspec(path,buf,1); }
3303 /*{{{ char *tovmspath[_ts](char *path, char *buf)*/
3304 static char *mp_do_tovmspath(pTHX_ char *path, char *buf, int ts) {
3305 static char __tovmspath_retbuf[NAM$C_MAXRSS+1];
3307 char pathified[NAM$C_MAXRSS+1], vmsified[NAM$C_MAXRSS+1], *cp;
3309 if (path == NULL) return NULL;
3310 if (do_pathify_dirspec(path,pathified,0) == NULL) return NULL;
3311 if (do_tovmsspec(pathified,buf ? buf : vmsified,0) == NULL) return NULL;
3312 if (buf) return buf;
3314 vmslen = strlen(vmsified);
3315 New(1317,cp,vmslen+1,char);
3316 memcpy(cp,vmsified,vmslen);
3321 strcpy(__tovmspath_retbuf,vmsified);
3322 return __tovmspath_retbuf;
3325 } /* end of do_tovmspath() */
3327 /* External entry points */
3328 char *Perl_tovmspath(pTHX_ char *path, char *buf) { return do_tovmspath(path,buf,0); }
3329 char *Perl_tovmspath_ts(pTHX_ char *path, char *buf) { return do_tovmspath(path,buf,1); }
3332 /*{{{ char *tounixpath[_ts](char *path, char *buf)*/
3333 static char *mp_do_tounixpath(pTHX_ char *path, char *buf, int ts) {
3334 static char __tounixpath_retbuf[NAM$C_MAXRSS+1];
3336 char pathified[NAM$C_MAXRSS+1], unixified[NAM$C_MAXRSS+1], *cp;
3338 if (path == NULL) return NULL;
3339 if (do_pathify_dirspec(path,pathified,0) == NULL) return NULL;
3340 if (do_tounixspec(pathified,buf ? buf : unixified,0) == NULL) return NULL;
3341 if (buf) return buf;
3343 unixlen = strlen(unixified);
3344 New(1317,cp,unixlen+1,char);
3345 memcpy(cp,unixified,unixlen);
3350 strcpy(__tounixpath_retbuf,unixified);
3351 return __tounixpath_retbuf;
3354 } /* end of do_tounixpath() */
3356 /* External entry points */
3357 char *Perl_tounixpath(pTHX_ char *path, char *buf) { return do_tounixpath(path,buf,0); }
3358 char *Perl_tounixpath_ts(pTHX_ char *path, char *buf) { return do_tounixpath(path,buf,1); }
3361 * @(#)argproc.c 2.2 94/08/16 Mark Pizzolato (mark@infocomm.com)
3363 *****************************************************************************
3365 * Copyright (C) 1989-1994 by *
3366 * Mark Pizzolato - INFO COMM, Danville, California (510) 837-5600 *
3368 * Permission is hereby granted for the reproduction of this software, *
3369 * on condition that this copyright notice is included in the reproduction, *
3370 * and that such reproduction is not for purposes of profit or material *
3373 * 27-Aug-1994 Modified for inclusion in perl5 *
3374 * by Charles Bailey bailey@newman.upenn.edu *
3375 *****************************************************************************
3379 * getredirection() is intended to aid in porting C programs
3380 * to VMS (Vax-11 C). The native VMS environment does not support
3381 * '>' and '<' I/O redirection, or command line wild card expansion,
3382 * or a command line pipe mechanism using the '|' AND background
3383 * command execution '&'. All of these capabilities are provided to any
3384 * C program which calls this procedure as the first thing in the
3386 * The piping mechanism will probably work with almost any 'filter' type
3387 * of program. With suitable modification, it may useful for other
3388 * portability problems as well.
3390 * Author: Mark Pizzolato mark@infocomm.com
3394 struct list_item *next;
3398 static void add_item(struct list_item **head,
3399 struct list_item **tail,
3403 static void mp_expand_wild_cards(pTHX_ char *item,
3404 struct list_item **head,
3405 struct list_item **tail,
3408 static int background_process(int argc, char **argv);
3410 static void pipe_and_fork(char **cmargv);
3412 /*{{{ void getredirection(int *ac, char ***av)*/
3414 mp_getredirection(pTHX_ int *ac, char ***av)
3416 * Process vms redirection arg's. Exit if any error is seen.
3417 * If getredirection() processes an argument, it is erased
3418 * from the vector. getredirection() returns a new argc and argv value.
3419 * In the event that a background command is requested (by a trailing "&"),
3420 * this routine creates a background subprocess, and simply exits the program.
3422 * Warning: do not try to simplify the code for vms. The code
3423 * presupposes that getredirection() is called before any data is
3424 * read from stdin or written to stdout.
3426 * Normal usage is as follows:
3432 * getredirection(&argc, &argv);
3436 int argc = *ac; /* Argument Count */
3437 char **argv = *av; /* Argument Vector */
3438 char *ap; /* Argument pointer */
3439 int j; /* argv[] index */
3440 int item_count = 0; /* Count of Items in List */
3441 struct list_item *list_head = 0; /* First Item in List */
3442 struct list_item *list_tail; /* Last Item in List */
3443 char *in = NULL; /* Input File Name */
3444 char *out = NULL; /* Output File Name */
3445 char *outmode = "w"; /* Mode to Open Output File */
3446 char *err = NULL; /* Error File Name */
3447 char *errmode = "w"; /* Mode to Open Error File */
3448 int cmargc = 0; /* Piped Command Arg Count */
3449 char **cmargv = NULL;/* Piped Command Arg Vector */
3452 * First handle the case where the last thing on the line ends with
3453 * a '&'. This indicates the desire for the command to be run in a
3454 * subprocess, so we satisfy that desire.
3457 if (0 == strcmp("&", ap))
3458 exit(background_process(--argc, argv));
3459 if (*ap && '&' == ap[strlen(ap)-1])
3461 ap[strlen(ap)-1] = '\0';
3462 exit(background_process(argc, argv));
3465 * Now we handle the general redirection cases that involve '>', '>>',
3466 * '<', and pipes '|'.
3468 for (j = 0; j < argc; ++j)
3470 if (0 == strcmp("<", argv[j]))
3474 PerlIO_printf(Perl_debug_log,"No input file after < on command line");
3475 exit(LIB$_WRONUMARG);
3480 if ('<' == *(ap = argv[j]))
3485 if (0 == strcmp(">", ap))
3489 PerlIO_printf(Perl_debug_log,"No output file after > on command line");
3490 exit(LIB$_WRONUMARG);
3509 PerlIO_printf(Perl_debug_log,"No output file after > or >> on command line");
3510 exit(LIB$_WRONUMARG);
3514 if (('2' == *ap) && ('>' == ap[1]))
3531 PerlIO_printf(Perl_debug_log,"No output file after 2> or 2>> on command line");
3532 exit(LIB$_WRONUMARG);
3536 if (0 == strcmp("|", argv[j]))
3540 PerlIO_printf(Perl_debug_log,"No command into which to pipe on command line");
3541 exit(LIB$_WRONUMARG);
3543 cmargc = argc-(j+1);
3544 cmargv = &argv[j+1];
3548 if ('|' == *(ap = argv[j]))
3556 expand_wild_cards(ap, &list_head, &list_tail, &item_count);
3559 * Allocate and fill in the new argument vector, Some Unix's terminate
3560 * the list with an extra null pointer.
3562 New(1302, argv, item_count+1, char *);
3564 for (j = 0; j < item_count; ++j, list_head = list_head->next)
3565 argv[j] = list_head->value;
3571 PerlIO_printf(Perl_debug_log,"'|' and '>' may not both be specified on command line");
3572 exit(LIB$_INVARGORD);
3574 pipe_and_fork(cmargv);
3577 /* Check for input from a pipe (mailbox) */
3579 if (in == NULL && 1 == isapipe(0))
3581 char mbxname[L_tmpnam];
3583 long int dvi_item = DVI$_DEVBUFSIZ;
3584 $DESCRIPTOR(mbxnam, "");
3585 $DESCRIPTOR(mbxdevnam, "");
3587 /* Input from a pipe, reopen it in binary mode to disable */
3588 /* carriage control processing. */
3590 PerlIO_getname(stdin, mbxname);
3591 mbxnam.dsc$a_pointer = mbxname;
3592 mbxnam.dsc$w_length = strlen(mbxnam.dsc$a_pointer);
3593 lib$getdvi(&dvi_item, 0, &mbxnam, &bufsize, 0, 0);
3594 mbxdevnam.dsc$a_pointer = mbxname;
3595 mbxdevnam.dsc$w_length = sizeof(mbxname);
3596 dvi_item = DVI$_DEVNAM;
3597 lib$getdvi(&dvi_item, 0, &mbxnam, 0, &mbxdevnam, &mbxdevnam.dsc$w_length);
3598 mbxdevnam.dsc$a_pointer[mbxdevnam.dsc$w_length] = '\0';
3601 freopen(mbxname, "rb", stdin);
3604 PerlIO_printf(Perl_debug_log,"Can't reopen input pipe (name: %s) in binary mode",mbxname);
3608 if ((in != NULL) && (NULL == freopen(in, "r", stdin, "mbc=32", "mbf=2")))
3610 PerlIO_printf(Perl_debug_log,"Can't open input file %s as stdin",in);
3613 if ((out != NULL) && (NULL == freopen(out, outmode, stdout, "mbc=32", "mbf=2")))
3615 PerlIO_printf(Perl_debug_log,"Can't open output file %s as stdout",out);
3618 if (out != NULL) Perl_vmssetuserlnm("SYS$OUTPUT",out);
3621 if (strcmp(err,"&1") == 0) {
3622 dup2(fileno(stdout), fileno(Perl_debug_log));
3623 Perl_vmssetuserlnm("SYS$ERROR","SYS$OUTPUT");
3626 if (NULL == (tmperr = fopen(err, errmode, "mbc=32", "mbf=2")))
3628 PerlIO_printf(Perl_debug_log,"Can't open error file %s as stderr",err);
3632 if (NULL == freopen(err, "a", Perl_debug_log, "mbc=32", "mbf=2"))
3636 Perl_vmssetuserlnm("SYS$ERROR",err);
3639 #ifdef ARGPROC_DEBUG
3640 PerlIO_printf(Perl_debug_log, "Arglist:\n");
3641 for (j = 0; j < *ac; ++j)
3642 PerlIO_printf(Perl_debug_log, "argv[%d] = '%s'\n", j, argv[j]);
3644 /* Clear errors we may have hit expanding wildcards, so they don't
3645 show up in Perl's $! later */
3646 set_errno(0); set_vaxc_errno(1);
3647 } /* end of getredirection() */
3650 static void add_item(struct list_item **head,
3651 struct list_item **tail,
3657 New(1303,*head,1,struct list_item);
3661 New(1304,(*tail)->next,1,struct list_item);
3662 *tail = (*tail)->next;
3664 (*tail)->value = value;
3668 static void mp_expand_wild_cards(pTHX_ char *item,
3669 struct list_item **head,
3670 struct list_item **tail,
3674 unsigned long int context = 0;
3680 char vmsspec[NAM$C_MAXRSS+1];
3681 $DESCRIPTOR(filespec, "");
3682 $DESCRIPTOR(defaultspec, "SYS$DISK:[]");
3683 $DESCRIPTOR(resultspec, "");
3684 unsigned long int zero = 0, sts;
3686 for (cp = item; *cp; cp++) {
3687 if (*cp == '*' || *cp == '%' || isspace(*cp)) break;
3688 if (*cp == '.' && *(cp-1) == '.' && *(cp-2) =='.') break;
3690 if (!*cp || isspace(*cp))
3692 add_item(head, tail, item, count);
3695 resultspec.dsc$b_dtype = DSC$K_DTYPE_T;
3696 resultspec.dsc$b_class = DSC$K_CLASS_D;
3697 resultspec.dsc$a_pointer = NULL;
3698 if ((isunix = (int) strchr(item,'/')) != (int) NULL)
3699 filespec.dsc$a_pointer = do_tovmsspec(item,vmsspec,0);
3700 if (!isunix || !filespec.dsc$a_pointer)
3701 filespec.dsc$a_pointer = item;
3702 filespec.dsc$w_length = strlen(filespec.dsc$a_pointer);
3704 * Only return version specs, if the caller specified a version
3706 had_version = strchr(item, ';');
3708 * Only return device and directory specs, if the caller specifed either.
3710 had_device = strchr(item, ':');
3711 had_directory = (isunix || NULL != strchr(item, '[')) || (NULL != strchr(item, '<'));
3713 while (1 == (1 & (sts = lib$find_file(&filespec, &resultspec, &context,
3714 &defaultspec, 0, 0, &zero))))
3719 New(1305,string,resultspec.dsc$w_length+1,char);
3720 strncpy(string, resultspec.dsc$a_pointer, resultspec.dsc$w_length);
3721 string[resultspec.dsc$w_length] = '\0';
3722 if (NULL == had_version)
3723 *((char *)strrchr(string, ';')) = '\0';
3724 if ((!had_directory) && (had_device == NULL))
3726 if (NULL == (devdir = strrchr(string, ']')))
3727 devdir = strrchr(string, '>');
3728 strcpy(string, devdir + 1);
3731 * Be consistent with what the C RTL has already done to the rest of
3732 * the argv items and lowercase all of these names.
3734 for (c = string; *c; ++c)
3737 if (isunix) trim_unixpath(string,item,1);
3738 add_item(head, tail, string, count);
3741 if (sts != RMS$_NMF)
3743 set_vaxc_errno(sts);
3746 case RMS$_FNF: case RMS$_DNF:
3747 set_errno(ENOENT); break;
3749 set_errno(ENOTDIR); break;
3751 set_errno(ENODEV); break;
3752 case RMS$_FNM: case RMS$_SYN:
3753 set_errno(EINVAL); break;
3755 set_errno(EACCES); break;
3757 _ckvmssts_noperl(sts);
3761 add_item(head, tail, item, count);
3762 _ckvmssts_noperl(lib$sfree1_dd(&resultspec));
3763 _ckvmssts_noperl(lib$find_file_end(&context));
3766 static int child_st[2];/* Event Flag set when child process completes */
3768 static unsigned short child_chan;/* I/O Channel for Pipe Mailbox */
3770 static unsigned long int exit_handler(int *status)
3774 if (0 == child_st[0])
3776 #ifdef ARGPROC_DEBUG
3777 PerlIO_printf(Perl_debug_log, "Waiting for Child Process to Finish . . .\n");
3779 fflush(stdout); /* Have to flush pipe for binary data to */
3780 /* terminate properly -- <tp@mccall.com> */
3781 sys$qiow(0, child_chan, IO$_WRITEOF, iosb, 0, 0, 0, 0, 0, 0, 0, 0);
3782 sys$dassgn(child_chan);
3784 sys$synch(0, child_st);
3789 static void sig_child(int chan)
3791 #ifdef ARGPROC_DEBUG
3792 PerlIO_printf(Perl_debug_log, "Child Completion AST\n");
3794 if (child_st[0] == 0)
3798 static struct exit_control_block exit_block =
3803 &exit_block.exit_status,
3807 static void pipe_and_fork(char **cmargv)
3810 $DESCRIPTOR(cmddsc, "");
3811 static char mbxname[64];
3812 $DESCRIPTOR(mbxdsc, mbxname);
3814 unsigned long int zero = 0, one = 1;
3816 strcpy(subcmd, cmargv[0]);
3817 for (j = 1; NULL != cmargv[j]; ++j)
3819 strcat(subcmd, " \"");
3820 strcat(subcmd, cmargv[j]);
3821 strcat(subcmd, "\"");
3823 cmddsc.dsc$a_pointer = subcmd;
3824 cmddsc.dsc$w_length = strlen(cmddsc.dsc$a_pointer);
3826 create_mbx(&child_chan,&mbxdsc);
3827 #ifdef ARGPROC_DEBUG
3828 PerlIO_printf(Perl_debug_log, "Pipe Mailbox Name = '%s'\n", mbxdsc.dsc$a_pointer);
3829 PerlIO_printf(Perl_debug_log, "Sub Process Command = '%s'\n", cmddsc.dsc$a_pointer);
3831 _ckvmssts_noperl(lib$spawn(&cmddsc, &mbxdsc, 0, &one,
3832 0, &pid, child_st, &zero, sig_child,
3834 #ifdef ARGPROC_DEBUG
3835 PerlIO_printf(Perl_debug_log, "Subprocess's Pid = %08X\n", pid);
3837 sys$dclexh(&exit_block);
3838 if (NULL == freopen(mbxname, "wb", stdout))
3840 PerlIO_printf(Perl_debug_log,"Can't open output pipe (name %s)",mbxname);
3844 static int background_process(int argc, char **argv)
3846 char command[2048] = "$";
3847 $DESCRIPTOR(value, "");
3848 static $DESCRIPTOR(cmd, "BACKGROUND$COMMAND");
3849 static $DESCRIPTOR(null, "NLA0:");
3850 static $DESCRIPTOR(pidsymbol, "SHELL_BACKGROUND_PID");
3852 $DESCRIPTOR(pidstr, "");
3854 unsigned long int flags = 17, one = 1, retsts;
3856 strcat(command, argv[0]);
3859 strcat(command, " \"");
3860 strcat(command, *(++argv));
3861 strcat(command, "\"");
3863 value.dsc$a_pointer = command;
3864 value.dsc$w_length = strlen(value.dsc$a_pointer);
3865 _ckvmssts_noperl(lib$set_symbol(&cmd, &value));
3866 retsts = lib$spawn(&cmd, &null, 0, &flags, 0, &pid);
3867 if (retsts == 0x38250) { /* DCL-W-NOTIFY - We must be BATCH, so retry */
3868 _ckvmssts_noperl(lib$spawn(&cmd, &null, 0, &one, 0, &pid));
3871 _ckvmssts_noperl(retsts);
3873 #ifdef ARGPROC_DEBUG
3874 PerlIO_printf(Perl_debug_log, "%s\n", command);
3876 sprintf(pidstring, "%08X", pid);
3877 PerlIO_printf(Perl_debug_log, "%s\n", pidstring);
3878 pidstr.dsc$a_pointer = pidstring;
3879 pidstr.dsc$w_length = strlen(pidstr.dsc$a_pointer);
3880 lib$set_symbol(&pidsymbol, &pidstr);
3884 /***** End of code taken from Mark Pizzolato's argproc.c package *****/
3887 /* OS-specific initialization at image activation (not thread startup) */
3888 /* Older VAXC header files lack these constants */
3889 #ifndef JPI$_RIGHTS_SIZE
3890 # define JPI$_RIGHTS_SIZE 817
3892 #ifndef KGB$M_SUBSYSTEM
3893 # define KGB$M_SUBSYSTEM 0x8
3896 /*{{{void vms_image_init(int *, char ***)*/
3898 vms_image_init(int *argcp, char ***argvp)
3900 char eqv[LNM$C_NAMLENGTH+1] = "";
3901 unsigned int len, tabct = 8, tabidx = 0;
3902 unsigned long int *mask, iosb[2], i, rlst[128], rsz;
3903 unsigned long int iprv[(sizeof(union prvdef) + sizeof(unsigned long int) - 1) / sizeof(unsigned long int)];
3904 unsigned short int dummy, rlen;
3905 struct dsc$descriptor_s **tabvec;
3907 struct itmlst_3 jpilist[4] = { {sizeof iprv, JPI$_IMAGPRIV, iprv, &dummy},
3908 {sizeof rlst, JPI$_RIGHTSLIST, rlst, &rlen},
3909 { sizeof rsz, JPI$_RIGHTS_SIZE, &rsz, &dummy},
3912 _ckvmssts(sys$getjpiw(0,NULL,NULL,jpilist,iosb,NULL,NULL));
3914 for (i = 0; i < sizeof iprv / sizeof(unsigned long int); i++) {
3915 if (iprv[i]) { /* Running image installed with privs? */
3916 _ckvmssts(sys$setprv(0,iprv,0,NULL)); /* Turn 'em off. */
3921 /* Rights identifiers might trigger tainting as well. */
3922 if (!will_taint && (rlen || rsz)) {
3923 while (rlen < rsz) {
3924 /* We didn't get all the identifiers on the first pass. Allocate a
3925 * buffer much larger than $GETJPI wants (rsz is size in bytes that
3926 * were needed to hold all identifiers at time of last call; we'll
3927 * allocate that many unsigned long ints), and go back and get 'em.
3928 * If it gave us less than it wanted to despite ample buffer space,
3929 * something's broken. Is your system missing a system identifier?
3931 if (rsz <= jpilist[1].buflen) {
3932 /* Perl_croak accvios when used this early in startup. */
3933 fprintf(stderr, "vms_image_init: $getjpiw refuses to store RIGHTSLIST of %u bytes in buffer of %u bytes.\n%s",
3934 rsz, (unsigned long) jpilist[1].buflen,
3935 "Check your rights database for corruption.\n");
3938 if (jpilist[1].bufadr != rlst) Safefree(jpilist[1].bufadr);
3939 jpilist[1].bufadr = New(1320,mask,rsz,unsigned long int);
3940 jpilist[1].buflen = rsz * sizeof(unsigned long int);
3941 _ckvmssts(sys$getjpiw(0,NULL,NULL,&jpilist[1],iosb,NULL,NULL));
3944 mask = jpilist[1].bufadr;
3945 /* Check attribute flags for each identifier (2nd longword); protected
3946 * subsystem identifiers trigger tainting.
3948 for (i = 1; i < (rlen + sizeof(unsigned long int) - 1) / sizeof(unsigned long int); i += 2) {
3949 if (mask[i] & KGB$M_SUBSYSTEM) {
3954 if (mask != rlst) Safefree(mask);
3956 /* We need to use this hack to tell Perl it should run with tainting,
3957 * since its tainting flag may be part of the PL_curinterp struct, which
3958 * hasn't been allocated when vms_image_init() is called.
3962 New(1320,newap,*argcp+2,char **);
3963 newap[0] = argvp[0];
3965 Copy(argvp[1],newap[2],*argcp-1,char **);
3966 /* We orphan the old argv, since we don't know where it's come from,
3967 * so we don't know how to free it.
3969 *argcp++; argvp = newap;
3971 else { /* Did user explicitly request tainting? */
3973 char *cp, **av = *argvp;
3974 for (i = 1; i < *argcp; i++) {
3975 if (*av[i] != '-') break;
3976 for (cp = av[i]+1; *cp; cp++) {
3977 if (*cp == 'T') { will_taint = 1; break; }
3978 else if ( (*cp == 'd' || *cp == 'V') && *(cp+1) == ':' ||
3979 strchr("DFIiMmx",*cp)) break;
3981 if (will_taint) break;
3986 len = my_trnlnm("PERL_ENV_TABLES",eqv,tabidx);
3988 if (!tabidx) New(1321,tabvec,tabct,struct dsc$descriptor_s *);
3989 else if (tabidx >= tabct) {
3991 Renew(tabvec,tabct,struct dsc$descriptor_s *);
3993 New(1322,tabvec[tabidx],1,struct dsc$descriptor_s);
3994 tabvec[tabidx]->dsc$w_length = 0;
3995 tabvec[tabidx]->dsc$b_dtype = DSC$K_DTYPE_T;
3996 tabvec[tabidx]->dsc$b_class = DSC$K_CLASS_D;
3997 tabvec[tabidx]->dsc$a_pointer = NULL;
3998 _ckvmssts(lib$scopy_r_dx(&len,eqv,tabvec[tabidx]));
4000 if (tabidx) { tabvec[tabidx] = NULL; env_tables = tabvec; }
4002 getredirection(argcp,argvp);
4003 #if defined(USE_THREADS) && ( defined(__DECC) || defined(__DECCXX) )
4005 # include <reentrancy.h>
4006 (void) decc$set_reentrancy(C$C_MULTITHREAD);
4015 * Trim Unix-style prefix off filespec, so it looks like what a shell
4016 * glob expansion would return (i.e. from specified prefix on, not
4017 * full path). Note that returned filespec is Unix-style, regardless
4018 * of whether input filespec was VMS-style or Unix-style.
4020 * fspec is filespec to be trimmed, and wildspec is wildcard spec used to
4021 * determine prefix (both may be in VMS or Unix syntax). opts is a bit
4022 * vector of options; at present, only bit 0 is used, and if set tells
4023 * trim unixpath to try the current default directory as a prefix when
4024 * presented with a possibly ambiguous ... wildcard.
4026 * Returns !=0 on success, with trimmed filespec replacing contents of
4027 * fspec, and 0 on failure, with contents of fpsec unchanged.
4029 /*{{{int trim_unixpath(char *fspec, char *wildspec, int opts)*/
4031 Perl_trim_unixpath(pTHX_ char *fspec, char *wildspec, int opts)
4033 char unixified[NAM$C_MAXRSS+1], unixwild[NAM$C_MAXRSS+1],
4034 *template, *base, *end, *cp1, *cp2;
4035 register int tmplen, reslen = 0, dirs = 0;
4037 if (!wildspec || !fspec) return 0;
4038 if (strpbrk(wildspec,"]>:") != NULL) {
4039 if (do_tounixspec(wildspec,unixwild,0) == NULL) return 0;
4040 else template = unixwild;
4042 else template = wildspec;
4043 if (strpbrk(fspec,"]>:") != NULL) {
4044 if (do_tounixspec(fspec,unixified,0) == NULL) return 0;
4045 else base = unixified;
4046 /* reslen != 0 ==> we had to unixify resultant filespec, so we must
4047 * check to see that final result fits into (isn't longer than) fspec */
4048 reslen = strlen(fspec);
4052 /* No prefix or absolute path on wildcard, so nothing to remove */
4053 if (!*template || *template == '/') {
4054 if (base == fspec) return 1;
4055 tmplen = strlen(unixified);
4056 if (tmplen > reslen) return 0; /* not enough space */
4057 /* Copy unixified resultant, including trailing NUL */
4058 memmove(fspec,unixified,tmplen+1);
4062 for (end = base; *end; end++) ; /* Find end of resultant filespec */
4063 if ((cp1 = strstr(template,".../")) == NULL) { /* No ...; just count elts */
4064 for (cp1 = template; *cp1; cp1++) if (*cp1 == '/') dirs++;
4065 for (cp1 = end ;cp1 >= base; cp1--)
4066 if ((*cp1 == '/') && !dirs--) /* postdec so we get front of rel path */
4068 if (cp1 != fspec) memmove(fspec,cp1, end - cp1 + 1);
4072 char tpl[NAM$C_MAXRSS+1], lcres[NAM$C_MAXRSS+1];
4073 char *front, *nextell, *lcend, *lcfront, *ellipsis = cp1;
4074 int ells = 1, totells, segdirs, match;
4075 struct dsc$descriptor_s wilddsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, tpl},
4076 resdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
4078 while ((cp1 = strstr(ellipsis+4,".../")) != NULL) {ellipsis = cp1; ells++;}
4080 for (cp1 = ellipsis+4; *cp1; cp1++) if (*cp1 == '/') dirs++;
4081 if (ellipsis == template && opts & 1) {
4082 /* Template begins with an ellipsis. Since we can't tell how many
4083 * directory names at the front of the resultant to keep for an
4084 * arbitrary starting point, we arbitrarily choose the current
4085 * default directory as a starting point. If it's there as a prefix,
4086 * clip it off. If not, fall through and act as if the leading
4087 * ellipsis weren't there (i.e. return shortest possible path that
4088 * could match template).
4090 if (getcwd(tpl, sizeof tpl,0) == NULL) return 0;
4091 for (cp1 = tpl, cp2 = base; *cp1 && *cp2; cp1++,cp2++)
4092 if (_tolower(*cp1) != _tolower(*cp2)) break;
4093 segdirs = dirs - totells; /* Min # of dirs we must have left */
4094 for (front = cp2+1; *front; front++) if (*front == '/') segdirs--;
4095 if (*cp1 == '\0' && *cp2 == '/' && segdirs < 1) {
4096 memcpy(fspec,cp2+1,end - cp2);
4100 /* First off, back up over constant elements at end of path */
4102 for (front = end ; front >= base; front--)
4103 if (*front == '/' && !dirs--) { front++; break; }
4105 for (cp1=template,cp2=lcres; *cp1 && cp2 <= lcres + sizeof lcres;
4106 cp1++,cp2++) *cp2 = _tolower(*cp1); /* Make lc copy for match */
4107 if (cp1 != '\0') return 0; /* Path too long. */
4109 *cp2 = '\0'; /* Pick up with memcpy later */
4110 lcfront = lcres + (front - base);
4111 /* Now skip over each ellipsis and try to match the path in front of it. */
4113 for (cp1 = ellipsis - 2; cp1 >= template; cp1--)
4114 if (*(cp1) == '.' && *(cp1+1) == '.' &&
4115 *(cp1+2) == '.' && *(cp1+3) == '/' ) break;
4116 if (cp1 < template) break; /* template started with an ellipsis */
4117 if (cp1 + 4 == ellipsis) { /* Consecutive ellipses */
4118 ellipsis = cp1; continue;
4120 wilddsc.dsc$w_length = resdsc.dsc$w_length = ellipsis - 1 - cp1;
4122 for (segdirs = 0, cp2 = tpl;
4123 cp1 <= ellipsis - 1 && cp2 <= tpl + sizeof tpl;
4125 if (*cp1 == '?') *cp2 = '%'; /* Substitute VMS' wildcard for Unix' */
4126 else *cp2 = _tolower(*cp1); /* else lowercase for match */
4127 if (*cp2 == '/') segdirs++;
4129 if (cp1 != ellipsis - 1) return 0; /* Path too long */
4130 /* Back up at least as many dirs as in template before matching */
4131 for (cp1 = lcfront - 1; segdirs && cp1 >= lcres; cp1--)
4132 if (*cp1 == '/' && !segdirs--) { cp1++; break; }
4133 for (match = 0; cp1 > lcres;) {
4134 resdsc.dsc$a_pointer = cp1;
4135 if (str$match_wild(&wilddsc,&resdsc) == STR$_MATCH) {
4137 if (match == 1) lcfront = cp1;
4139 for ( ; cp1 >= lcres; cp1--) if (*cp1 == '/') { cp1++; break; }
4141 if (!match) return 0; /* Can't find prefix ??? */
4142 if (match > 1 && opts & 1) {
4143 /* This ... wildcard could cover more than one set of dirs (i.e.
4144 * a set of similar dir names is repeated). If the template
4145 * contains more than 1 ..., upstream elements could resolve the
4146 * ambiguity, but it's not worth a full backtracking setup here.
4147 * As a quick heuristic, clip off the current default directory
4148 * if it's present to find the trimmed spec, else use the
4149 * shortest string that this ... could cover.
4151 char def[NAM$C_MAXRSS+1], *st;
4153 if (getcwd(def, sizeof def,0) == NULL) return 0;
4154 for (cp1 = def, cp2 = base; *cp1 && *cp2; cp1++,cp2++)
4155 if (_tolower(*cp1) != _tolower(*cp2)) break;
4156 segdirs = dirs - totells; /* Min # of dirs we must have left */
4157 for (st = cp2+1; *st; st++) if (*st == '/') segdirs--;
4158 if (*cp1 == '\0' && *cp2 == '/') {
4159 memcpy(fspec,cp2+1,end - cp2);
4162 /* Nope -- stick with lcfront from above and keep going. */
4165 memcpy(fspec,base + (lcfront - lcres), lcend - lcfront + 1);
4170 } /* end of trim_unixpath() */
4175 * VMS readdir() routines.
4176 * Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
4178 * 21-Jul-1994 Charles Bailey bailey@newman.upenn.edu
4179 * Minor modifications to original routines.
4182 /* Number of elements in vms_versions array */
4183 #define VERSIZE(e) (sizeof e->vms_versions / sizeof e->vms_versions[0])
4186 * Open a directory, return a handle for later use.
4188 /*{{{ DIR *opendir(char*name) */
4190 Perl_opendir(pTHX_ char *name)
4193 char dir[NAM$C_MAXRSS+1];
4196 if (do_tovmspath(name,dir,0) == NULL) {
4199 if (flex_stat(dir,&sb) == -1) return NULL;
4200 if (!S_ISDIR(sb.st_mode)) {
4201 set_errno(ENOTDIR); set_vaxc_errno(RMS$_DIR);
4204 if (!cando_by_name(S_IRUSR,0,dir)) {
4205 set_errno(EACCES); set_vaxc_errno(RMS$_PRV);
4208 /* Get memory for the handle, and the pattern. */
4210 New(1307,dd->pattern,strlen(dir)+sizeof "*.*" + 1,char);
4212 /* Fill in the fields; mainly playing with the descriptor. */
4213 (void)sprintf(dd->pattern, "%s*.*",dir);
4216 dd->vms_wantversions = 0;
4217 dd->pat.dsc$a_pointer = dd->pattern;
4218 dd->pat.dsc$w_length = strlen(dd->pattern);
4219 dd->pat.dsc$b_dtype = DSC$K_DTYPE_T;
4220 dd->pat.dsc$b_class = DSC$K_CLASS_S;
4223 } /* end of opendir() */
4227 * Set the flag to indicate we want versions or not.
4229 /*{{{ void vmsreaddirversions(DIR *dd, int flag)*/
4231 vmsreaddirversions(DIR *dd, int flag)
4233 dd->vms_wantversions = flag;
4238 * Free up an opened directory.
4240 /*{{{ void closedir(DIR *dd)*/
4244 (void)lib$find_file_end(&dd->context);
4245 Safefree(dd->pattern);
4246 Safefree((char *)dd);
4251 * Collect all the version numbers for the current file.
4257 struct dsc$descriptor_s pat;
4258 struct dsc$descriptor_s res;
4260 char *p, *text, buff[sizeof dd->entry.d_name];
4262 unsigned long context, tmpsts;
4265 /* Convenient shorthand. */
4268 /* Add the version wildcard, ignoring the "*.*" put on before */
4269 i = strlen(dd->pattern);
4270 New(1308,text,i + e->d_namlen + 3,char);
4271 (void)strcpy(text, dd->pattern);
4272 (void)sprintf(&text[i - 3], "%s;*", e->d_name);
4274 /* Set up the pattern descriptor. */
4275 pat.dsc$a_pointer = text;
4276 pat.dsc$w_length = i + e->d_namlen - 1;
4277 pat.dsc$b_dtype = DSC$K_DTYPE_T;
4278 pat.dsc$b_class = DSC$K_CLASS_S;
4280 /* Set up result descriptor. */
4281 res.dsc$a_pointer = buff;
4282 res.dsc$w_length = sizeof buff - 2;
4283 res.dsc$b_dtype = DSC$K_DTYPE_T;
4284 res.dsc$b_class = DSC$K_CLASS_S;
4286 /* Read files, collecting versions. */
4287 for (context = 0, e->vms_verscount = 0;
4288 e->vms_verscount < VERSIZE(e);
4289 e->vms_verscount++) {
4290 tmpsts = lib$find_file(&pat, &res, &context);
4291 if (tmpsts == RMS$_NMF || context == 0) break;
4293 buff[sizeof buff - 1] = '\0';
4294 if ((p = strchr(buff, ';')))
4295 e->vms_versions[e->vms_verscount] = atoi(p + 1);
4297 e->vms_versions[e->vms_verscount] = -1;
4300 _ckvmssts(lib$find_file_end(&context));
4303 } /* end of collectversions() */
4306 * Read the next entry from the directory.
4308 /*{{{ struct dirent *readdir(DIR *dd)*/
4312 struct dsc$descriptor_s res;
4313 char *p, buff[sizeof dd->entry.d_name];
4314 unsigned long int tmpsts;
4316 /* Set up result descriptor, and get next file. */
4317 res.dsc$a_pointer = buff;
4318 res.dsc$w_length = sizeof buff - 2;
4319 res.dsc$b_dtype = DSC$K_DTYPE_T;
4320 res.dsc$b_class = DSC$K_CLASS_S;
4321 tmpsts = lib$find_file(&dd->pat, &res, &dd->context);
4322 if ( tmpsts == RMS$_NMF || dd->context == 0) return NULL; /* None left. */
4323 if (!(tmpsts & 1)) {
4324 set_vaxc_errno(tmpsts);
4327 set_errno(EACCES); break;
4329 set_errno(ENODEV); break;
4331 set_errno(ENOTDIR); break;
4332 case RMS$_FNF: case RMS$_DNF:
4333 set_errno(ENOENT); break;
4340 /* Force the buffer to end with a NUL, and downcase name to match C convention. */
4341 buff[sizeof buff - 1] = '\0';
4342 for (p = buff; *p; p++) *p = _tolower(*p);
4343 while (--p >= buff) if (!isspace(*p)) break; /* Do we really need this? */
4346 /* Skip any directory component and just copy the name. */
4347 if ((p = strchr(buff, ']'))) (void)strcpy(dd->entry.d_name, p + 1);
4348 else (void)strcpy(dd->entry.d_name, buff);
4350 /* Clobber the version. */
4351 if ((p = strchr(dd->entry.d_name, ';'))) *p = '\0';
4353 dd->entry.d_namlen = strlen(dd->entry.d_name);
4354 dd->entry.vms_verscount = 0;
4355 if (dd->vms_wantversions) collectversions(dd);
4358 } /* end of readdir() */
4362 * Return something that can be used in a seekdir later.
4364 /*{{{ long telldir(DIR *dd)*/
4373 * Return to a spot where we used to be. Brute force.
4375 /*{{{ void seekdir(DIR *dd,long count)*/
4377 seekdir(DIR *dd, long count)
4379 int vms_wantversions;
4382 /* If we haven't done anything yet... */
4386 /* Remember some state, and clear it. */
4387 vms_wantversions = dd->vms_wantversions;
4388 dd->vms_wantversions = 0;
4389 _ckvmssts(lib$find_file_end(&dd->context));
4392 /* The increment is in readdir(). */
4393 for (dd->count = 0; dd->count < count; )
4396 dd->vms_wantversions = vms_wantversions;
4398 } /* end of seekdir() */
4401 /* VMS subprocess management
4403 * my_vfork() - just a vfork(), after setting a flag to record that
4404 * the current script is trying a Unix-style fork/exec.
4406 * vms_do_aexec() and vms_do_exec() are called in response to the
4407 * perl 'exec' function. If this follows a vfork call, then they
4408 * call out the the regular perl routines in doio.c which do an
4409 * execvp (for those who really want to try this under VMS).
4410 * Otherwise, they do exactly what the perl docs say exec should
4411 * do - terminate the current script and invoke a new command
4412 * (See below for notes on command syntax.)
4414 * do_aspawn() and do_spawn() implement the VMS side of the perl
4415 * 'system' function.
4417 * Note on command arguments to perl 'exec' and 'system': When handled
4418 * in 'VMSish fashion' (i.e. not after a call to vfork) The args
4419 * are concatenated to form a DCL command string. If the first arg
4420 * begins with '$' (i.e. the perl script had "\$ Type" or some such),
4421 * the the command string is handed off to DCL directly. Otherwise,
4422 * the first token of the command is taken as the filespec of an image
4423 * to run. The filespec is expanded using a default type of '.EXE' and
4424 * the process defaults for device, directory, etc., and if found, the resultant
4425 * filespec is invoked using the DCL verb 'MCR', and passed the rest of
4426 * the command string as parameters. This is perhaps a bit complicated,
4427 * but I hope it will form a happy medium between what VMS folks expect
4428 * from lib$spawn and what Unix folks expect from exec.
4431 static int vfork_called;
4433 /*{{{int my_vfork()*/
4444 vms_execfree(pTHX) {
4446 if (PL_Cmd != VMScmd.dsc$a_pointer) Safefree(PL_Cmd);
4449 if (VMScmd.dsc$a_pointer) {
4450 Safefree(VMScmd.dsc$a_pointer);
4451 VMScmd.dsc$w_length = 0;
4452 VMScmd.dsc$a_pointer = Nullch;
4457 setup_argstr(SV *really, SV **mark, SV **sp)
4460 char *junk, *tmps = Nullch;
4461 register size_t cmdlen = 0;
4468 tmps = SvPV(really,rlen);
4475 for (idx++; idx <= sp; idx++) {
4477 junk = SvPVx(*idx,rlen);
4478 cmdlen += rlen ? rlen + 1 : 0;
4481 New(401,PL_Cmd,cmdlen+1,char);
4483 if (tmps && *tmps) {
4484 strcpy(PL_Cmd,tmps);
4487 else *PL_Cmd = '\0';
4488 while (++mark <= sp) {
4490 char *s = SvPVx(*mark,n_a);
4492 if (*PL_Cmd) strcat(PL_Cmd," ");
4498 } /* end of setup_argstr() */
4501 static unsigned long int
4502 setup_cmddsc(char *cmd, int check_img)
4504 char vmsspec[NAM$C_MAXRSS+1], resspec[NAM$C_MAXRSS+1];
4505 $DESCRIPTOR(defdsc,".EXE");
4506 $DESCRIPTOR(defdsc2,".");
4507 $DESCRIPTOR(resdsc,resspec);
4508 struct dsc$descriptor_s imgdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
4509 unsigned long int cxt = 0, flags = 1, retsts = SS$_NORMAL;
4510 register char *s, *rest, *cp, *wordbreak;
4515 (sizeof(vmsspec) > sizeof(resspec) ? sizeof(resspec) : sizeof(vmsspec)))
4518 while (*s && isspace(*s)) s++;
4520 if (*s == '@' || *s == '$') {
4521 vmsspec[0] = *s; rest = s + 1;
4522 for (cp = &vmsspec[1]; *rest && isspace(*rest); rest++,cp++) *cp = *rest;
4524 else { cp = vmsspec; rest = s; }
4525 if (*rest == '.' || *rest == '/') {
4528 *rest && !isspace(*rest) && cp2 - resspec < sizeof resspec;
4529 rest++, cp2++) *cp2 = *rest;
4531 if (do_tovmsspec(resspec,cp,0)) {
4534 for (cp2 = vmsspec + strlen(vmsspec);
4535 *rest && cp2 - vmsspec < sizeof vmsspec;
4536 rest++, cp2++) *cp2 = *rest;
4541 /* Intuit whether verb (first word of cmd) is a DCL command:
4542 * - if first nonspace char is '@', it's a DCL indirection
4544 * - if verb contains a filespec separator, it's not a DCL command
4545 * - if it doesn't, caller tells us whether to default to a DCL
4546 * command, or to a local image unless told it's DCL (by leading '$')
4548 if (*s == '@') isdcl = 1;
4550 register char *filespec = strpbrk(s,":<[.;");
4551 rest = wordbreak = strpbrk(s," \"\t/");
4552 if (!wordbreak) wordbreak = s + strlen(s);
4553 if (*s == '$') check_img = 0;
4554 if (filespec && (filespec < wordbreak)) isdcl = 0;
4555 else isdcl = !check_img;
4559 imgdsc.dsc$a_pointer = s;
4560 imgdsc.dsc$w_length = wordbreak - s;
4561 retsts = lib$find_file(&imgdsc,&resdsc,&cxt,&defdsc,0,0,&flags);
4563 _ckvmssts(lib$find_file_end(&cxt));
4564 retsts = lib$find_file(&imgdsc,&resdsc,&cxt,&defdsc2,0,0,&flags);
4565 if (!(retsts & 1) && *s == '$') {
4566 _ckvmssts(lib$find_file_end(&cxt));
4567 imgdsc.dsc$a_pointer++; imgdsc.dsc$w_length--;
4568 retsts = lib$find_file(&imgdsc,&resdsc,&cxt,&defdsc,0,0,&flags);
4570 _ckvmssts(lib$find_file_end(&cxt));
4571 retsts = lib$find_file(&imgdsc,&resdsc,&cxt,&defdsc2,0,0,&flags);
4575 _ckvmssts(lib$find_file_end(&cxt));
4580 while (*s && !isspace(*s)) s++;
4583 /* check that it's really not DCL with no file extension */
4584 fp = fopen(resspec,"r","ctx=bin,shr=get");
4586 char b[4] = {0,0,0,0};
4587 read(fileno(fp),b,4);
4588 isdcl = isprint(b[0]) && isprint(b[1]) && isprint(b[2]) && isprint(b[3]);
4591 if (check_img && isdcl) return RMS$_FNF;
4593 if (cando_by_name(S_IXUSR,0,resspec)) {
4594 New(402,VMScmd.dsc$a_pointer,7 + s - resspec + (rest ? strlen(rest) : 0),char);
4596 strcpy(VMScmd.dsc$a_pointer,"$ MCR ");
4598 strcpy(VMScmd.dsc$a_pointer,"@");
4600 strcat(VMScmd.dsc$a_pointer,resspec);
4601 if (rest) strcat(VMScmd.dsc$a_pointer,rest);
4602 VMScmd.dsc$w_length = strlen(VMScmd.dsc$a_pointer);
4605 else retsts = RMS$_PRV;
4608 /* It's either a DCL command or we couldn't find a suitable image */
4609 VMScmd.dsc$w_length = strlen(cmd);
4610 if (cmd == PL_Cmd) VMScmd.dsc$a_pointer = PL_Cmd;
4611 else VMScmd.dsc$a_pointer = savepvn(cmd,VMScmd.dsc$w_length);
4612 if (!(retsts & 1)) {
4613 /* just hand off status values likely to be due to user error */
4614 if (retsts == RMS$_FNF || retsts == RMS$_DNF || retsts == RMS$_PRV ||
4615 retsts == RMS$_DEV || retsts == RMS$_DIR || retsts == RMS$_SYN ||
4616 (retsts & STS$M_CODE) == (SHR$_NOWILD & STS$M_CODE)) return retsts;
4617 else { _ckvmssts(retsts); }
4620 return (VMScmd.dsc$w_length > 255 ? CLI$_BUFOVF : retsts);
4622 } /* end of setup_cmddsc() */
4625 /* {{{ bool vms_do_aexec(SV *really,SV **mark,SV **sp) */
4627 vms_do_aexec(SV *really,SV **mark,SV **sp)
4631 if (vfork_called) { /* this follows a vfork - act Unixish */
4633 if (vfork_called < 0) {
4634 Perl_warn(aTHX_ "Internal inconsistency in tracking vforks");
4637 else return do_aexec(really,mark,sp);
4639 /* no vfork - act VMSish */
4640 return vms_do_exec(setup_argstr(really,mark,sp));
4645 } /* end of vms_do_aexec() */
4648 /* {{{bool vms_do_exec(char *cmd) */
4650 vms_do_exec(char *cmd)
4654 if (vfork_called) { /* this follows a vfork - act Unixish */
4656 if (vfork_called < 0) {
4657 Perl_warn(aTHX_ "Internal inconsistency in tracking vforks");
4660 else return do_exec(cmd);
4663 { /* no vfork - act VMSish */
4664 unsigned long int retsts;
4667 TAINT_PROPER("exec");
4668 if ((retsts = setup_cmddsc(cmd,1)) & 1)
4669 retsts = lib$do_command(&VMScmd);
4672 case RMS$_FNF: case RMS$_DNF:
4673 set_errno(ENOENT); break;
4675 set_errno(ENOTDIR); break;
4677 set_errno(ENODEV); break;
4679 set_errno(EACCES); break;
4681 set_errno(EINVAL); break;
4683 set_errno(E2BIG); break;
4684 case LIB$_INVARG: case LIB$_INVSTRDES: case SS$_ACCVIO: /* shouldn't happen */
4685 _ckvmssts(retsts); /* fall through */
4686 default: /* SS$_DUPLNAM, SS$_CLI, resource exhaustion, etc. */
4689 set_vaxc_errno(retsts);
4690 if (ckWARN(WARN_EXEC)) {
4691 Perl_warner(aTHX_ WARN_EXEC,"Can't exec \"%*s\": %s",
4692 VMScmd.dsc$w_length, VMScmd.dsc$a_pointer, Strerror(errno));
4699 } /* end of vms_do_exec() */
4702 unsigned long int do_spawn(char *);
4704 /* {{{ unsigned long int do_aspawn(void *really,void **mark,void **sp) */
4706 do_aspawn(void *really,void **mark,void **sp)
4709 if (sp > mark) return do_spawn(setup_argstr((SV *)really,(SV **)mark,(SV **)sp));
4712 } /* end of do_aspawn() */
4715 /* {{{unsigned long int do_spawn(char *cmd) */
4719 unsigned long int sts, substs, hadcmd = 1;
4723 TAINT_PROPER("spawn");
4724 if (!cmd || !*cmd) {
4726 sts = lib$spawn(0,0,0,0,0,0,&substs,0,0,0,0,0,0);
4728 else if ((sts = setup_cmddsc(cmd,0)) & 1) {
4729 sts = lib$spawn(&VMScmd,0,0,0,0,0,&substs,0,0,0,0,0,0);
4734 case RMS$_FNF: case RMS$_DNF:
4735 set_errno(ENOENT); break;
4737 set_errno(ENOTDIR); break;
4739 set_errno(ENODEV); break;
4741 set_errno(EACCES); break;
4743 set_errno(EINVAL); break;
4745 set_errno(E2BIG); break;
4746 case LIB$_INVARG: case LIB$_INVSTRDES: case SS$_ACCVIO: /* shouldn't happen */
4747 _ckvmssts(sts); /* fall through */
4748 default: /* SS$_DUPLNAM, SS$_CLI, resource exhaustion, etc. */
4751 set_vaxc_errno(sts);
4752 if (ckWARN(WARN_EXEC)) {
4753 Perl_warner(aTHX_ WARN_EXEC,"Can't spawn \"%*s\": %s",
4754 hadcmd ? VMScmd.dsc$w_length : 0,
4755 hadcmd ? VMScmd.dsc$a_pointer : "",
4762 } /* end of do_spawn() */
4766 static unsigned int *sockflags, sockflagsize;
4769 * Shim fdopen to identify sockets for my_fwrite later, since the stdio
4770 * routines found in some versions of the CRTL can't deal with sockets.
4771 * We don't shim the other file open routines since a socket isn't
4772 * likely to be opened by a name.
4774 /*{{{ FILE *my_fdopen(int fd, char *mode)*/
4775 FILE *my_fdopen(int fd, char *mode)
4777 FILE *fp = fdopen(fd,mode);
4780 unsigned int fdoff = fd / sizeof(unsigned int);
4781 struct stat sbuf; /* native stat; we don't need flex_stat */
4782 if (!sockflagsize || fdoff > sockflagsize) {
4783 if (sockflags) Renew( sockflags,fdoff+2,unsigned int);
4784 else New (1324,sockflags,fdoff+2,unsigned int);
4785 memset(sockflags+sockflagsize,0,fdoff + 2 - sockflagsize);
4786 sockflagsize = fdoff + 2;
4788 if (fstat(fd,&sbuf) == 0 && S_ISSOCK(sbuf.st_mode))
4789 sockflags[fdoff] |= 1 << (fd % sizeof(unsigned int));
4798 * Clear the corresponding bit when the (possibly) socket stream is closed.
4799 * There still a small hole: we miss an implicit close which might occur
4800 * via freopen(). >> Todo
4802 /*{{{ int my_fclose(FILE *fp)*/
4803 int my_fclose(FILE *fp) {
4805 unsigned int fd = fileno(fp);
4806 unsigned int fdoff = fd / sizeof(unsigned int);
4808 if (sockflagsize && fdoff <= sockflagsize)
4809 sockflags[fdoff] &= ~(1 << fd % sizeof(unsigned int));
4817 * A simple fwrite replacement which outputs itmsz*nitm chars without
4818 * introducing record boundaries every itmsz chars.
4819 * We are using fputs, which depends on a terminating null. We may
4820 * well be writing binary data, so we need to accommodate not only
4821 * data with nulls sprinkled in the middle but also data with no null
4824 /*{{{ int my_fwrite(void *src, size_t itmsz, size_t nitm, FILE *dest)*/
4826 my_fwrite(void *src, size_t itmsz, size_t nitm, FILE *dest)
4828 register char *cp, *end, *cpd, *data;
4829 register unsigned int fd = fileno(dest);
4830 register unsigned int fdoff = fd / sizeof(unsigned int);
4832 int bufsize = itmsz * nitm + 1;
4834 if (fdoff < sockflagsize &&
4835 (sockflags[fdoff] | 1 << (fd % sizeof(unsigned int)))) {
4836 if (write(fd, src, itmsz * nitm) == EOF) return EOF;
4840 _ckvmssts_noperl(lib$get_vm(&bufsize, &data));
4841 memcpy( data, src, itmsz*nitm );
4842 data[itmsz*nitm] = '\0';
4844 end = data + itmsz * nitm;
4845 retval = (int) nitm; /* on success return # items written */
4848 while (cpd <= end) {
4849 for (cp = cpd; cp <= end; cp++) if (!*cp) break;
4850 if (fputs(cpd,dest) == EOF) { retval = EOF; break; }
4852 if (fputc('\0',dest) == EOF) { retval = EOF; break; }
4856 if (data) _ckvmssts_noperl(lib$free_vm(&bufsize, &data));
4859 } /* end of my_fwrite() */
4862 /*{{{ int my_flush(FILE *fp)*/
4867 if ((res = fflush(fp)) == 0 && fp) {
4868 #ifdef VMS_DO_SOCKETS
4870 if (Fstat(fileno(fp), &s) == 0 && !S_ISSOCK(s.st_mode))
4872 res = fsync(fileno(fp));
4875 * If the flush succeeded but set end-of-file, we need to clear
4876 * the error because our caller may check ferror(). BTW, this
4877 * probably means we just flushed an empty file.
4879 if (res == 0 && vaxc$errno == RMS$_EOF) clearerr(fp);
4886 * Here are replacements for the following Unix routines in the VMS environment:
4887 * getpwuid Get information for a particular UIC or UID
4888 * getpwnam Get information for a named user
4889 * getpwent Get information for each user in the rights database
4890 * setpwent Reset search to the start of the rights database
4891 * endpwent Finish searching for users in the rights database
4893 * getpwuid, getpwnam, and getpwent return a pointer to the passwd structure
4894 * (defined in pwd.h), which contains the following fields:-
4896 * char *pw_name; Username (in lower case)
4897 * char *pw_passwd; Hashed password
4898 * unsigned int pw_uid; UIC
4899 * unsigned int pw_gid; UIC group number
4900 * char *pw_unixdir; Default device/directory (VMS-style)
4901 * char *pw_gecos; Owner name
4902 * char *pw_dir; Default device/directory (Unix-style)
4903 * char *pw_shell; Default CLI name (eg. DCL)
4905 * If the specified user does not exist, getpwuid and getpwnam return NULL.
4907 * pw_uid is the full UIC (eg. what's returned by stat() in st_uid).
4908 * not the UIC member number (eg. what's returned by getuid()),
4909 * getpwuid() can accept either as input (if uid is specified, the caller's
4910 * UIC group is used), though it won't recognise gid=0.
4912 * Note that in VMS it is necessary to have GRPPRV or SYSPRV to return
4913 * information about other users in your group or in other groups, respectively.
4914 * If the required privilege is not available, then these routines fill only
4915 * the pw_name, pw_uid, and pw_gid fields (the others point to an empty
4918 * By Tim Adye (T.J.Adye@rl.ac.uk), 10th February 1995.
4921 /* sizes of various UAF record fields */
4922 #define UAI$S_USERNAME 12
4923 #define UAI$S_IDENT 31
4924 #define UAI$S_OWNER 31
4925 #define UAI$S_DEFDEV 31
4926 #define UAI$S_DEFDIR 63
4927 #define UAI$S_DEFCLI 31
4930 #define valid_uic(uic) ((uic).uic$v_format == UIC$K_UIC_FORMAT && \
4931 (uic).uic$v_member != UIC$K_WILD_MEMBER && \
4932 (uic).uic$v_group != UIC$K_WILD_GROUP)
4934 static char __empty[]= "";
4935 static struct passwd __passwd_empty=
4936 {(char *) __empty, (char *) __empty, 0, 0,
4937 (char *) __empty, (char *) __empty, (char *) __empty, (char *) __empty};
4938 static int contxt= 0;
4939 static struct passwd __pwdcache;
4940 static char __pw_namecache[UAI$S_IDENT+1];
4943 * This routine does most of the work extracting the user information.
4945 static int fillpasswd (const char *name, struct passwd *pwd)
4949 unsigned char length;
4950 char pw_gecos[UAI$S_OWNER+1];
4952 static union uicdef uic;
4954 unsigned char length;
4955 char pw_dir[UAI$S_DEFDEV+UAI$S_DEFDIR+1];
4958 unsigned char length;
4959 char unixdir[UAI$_DEFDEV+UAI$S_DEFDIR+1];
4962 unsigned char length;
4963 char pw_shell[UAI$S_DEFCLI+1];
4965 static char pw_passwd[UAI$S_PWD+1];
4967 static unsigned short lowner, luic, ldefdev, ldefdir, ldefcli, lpwd;
4968 struct dsc$descriptor_s name_desc;
4969 unsigned long int sts;
4971 static struct itmlst_3 itmlst[]= {
4972 {UAI$S_OWNER+1, UAI$_OWNER, &owner, &lowner},
4973 {sizeof(uic), UAI$_UIC, &uic, &luic},
4974 {UAI$S_DEFDEV+1, UAI$_DEFDEV, &defdev, &ldefdev},
4975 {UAI$S_DEFDIR+1, UAI$_DEFDIR, &defdir, &ldefdir},
4976 {UAI$S_DEFCLI+1, UAI$_DEFCLI, &defcli, &ldefcli},
4977 {UAI$S_PWD, UAI$_PWD, pw_passwd, &lpwd},
4978 {0, 0, NULL, NULL}};
4980 name_desc.dsc$w_length= strlen(name);
4981 name_desc.dsc$b_dtype= DSC$K_DTYPE_T;
4982 name_desc.dsc$b_class= DSC$K_CLASS_S;
4983 name_desc.dsc$a_pointer= (char *) name;
4985 /* Note that sys$getuai returns many fields as counted strings. */
4986 sts= sys$getuai(0, 0, &name_desc, &itmlst, 0, 0, 0);
4987 if (sts == SS$_NOSYSPRV || sts == SS$_NOGRPPRV || sts == RMS$_RNF) {
4988 set_vaxc_errno(sts); set_errno(sts == RMS$_RNF ? EINVAL : EACCES);
4990 else { _ckvmssts(sts); }
4991 if (!(sts & 1)) return 0; /* out here in case _ckvmssts() doesn't abort */
4993 if ((int) owner.length < lowner) lowner= (int) owner.length;
4994 if ((int) defdev.length < ldefdev) ldefdev= (int) defdev.length;
4995 if ((int) defdir.length < ldefdir) ldefdir= (int) defdir.length;
4996 if ((int) defcli.length < ldefcli) ldefcli= (int) defcli.length;
4997 memcpy(&defdev.pw_dir[ldefdev], &defdir.unixdir[0], ldefdir);
4998 owner.pw_gecos[lowner]= '\0';
4999 defdev.pw_dir[ldefdev+ldefdir]= '\0';
5000 defcli.pw_shell[ldefcli]= '\0';
5001 if (valid_uic(uic)) {
5002 pwd->pw_uid= uic.uic$l_uic;
5003 pwd->pw_gid= uic.uic$v_group;
5006 Perl_warn(aTHX_ "getpwnam returned invalid UIC %#o for user \"%s\"");
5007 pwd->pw_passwd= pw_passwd;
5008 pwd->pw_gecos= owner.pw_gecos;
5009 pwd->pw_dir= defdev.pw_dir;
5010 pwd->pw_unixdir= do_tounixpath(defdev.pw_dir, defdir.unixdir,1);
5011 pwd->pw_shell= defcli.pw_shell;
5012 if (pwd->pw_unixdir && pwd->pw_unixdir[0]) {
5014 ldir= strlen(pwd->pw_unixdir) - 1;
5015 if (pwd->pw_unixdir[ldir]=='/') pwd->pw_unixdir[ldir]= '\0';
5018 strcpy(pwd->pw_unixdir, pwd->pw_dir);
5019 __mystrtolower(pwd->pw_unixdir);
5024 * Get information for a named user.
5026 /*{{{struct passwd *getpwnam(char *name)*/
5027 struct passwd *my_getpwnam(char *name)
5029 struct dsc$descriptor_s name_desc;
5031 unsigned long int status, sts;
5034 __pwdcache = __passwd_empty;
5035 if (!fillpasswd(name, &__pwdcache)) {
5036 /* We still may be able to determine pw_uid and pw_gid */
5037 name_desc.dsc$w_length= strlen(name);
5038 name_desc.dsc$b_dtype= DSC$K_DTYPE_T;
5039 name_desc.dsc$b_class= DSC$K_CLASS_S;
5040 name_desc.dsc$a_pointer= (char *) name;
5041 if ((sts = sys$asctoid(&name_desc, &uic, 0)) == SS$_NORMAL) {
5042 __pwdcache.pw_uid= uic.uic$l_uic;
5043 __pwdcache.pw_gid= uic.uic$v_group;
5046 if (sts == SS$_NOSUCHID || sts == SS$_IVIDENT || sts == RMS$_PRV) {
5047 set_vaxc_errno(sts);
5048 set_errno(sts == RMS$_PRV ? EACCES : EINVAL);
5051 else { _ckvmssts(sts); }
5054 strncpy(__pw_namecache, name, sizeof(__pw_namecache));
5055 __pw_namecache[sizeof __pw_namecache - 1] = '\0';
5056 __pwdcache.pw_name= __pw_namecache;
5058 } /* end of my_getpwnam() */
5062 * Get information for a particular UIC or UID.
5063 * Called by my_getpwent with uid=-1 to list all users.
5065 /*{{{struct passwd *my_getpwuid(Uid_t uid)*/
5066 struct passwd *my_getpwuid(Uid_t uid)
5068 const $DESCRIPTOR(name_desc,__pw_namecache);
5069 unsigned short lname;
5071 unsigned long int status;
5074 if (uid == (unsigned int) -1) {
5076 status = sys$idtoasc(-1, &lname, &name_desc, &uic, 0, &contxt);
5077 if (status == SS$_NOSUCHID || status == RMS$_PRV) {
5078 set_vaxc_errno(status);
5079 set_errno(status == RMS$_PRV ? EACCES : EINVAL);
5083 else { _ckvmssts(status); }
5084 } while (!valid_uic (uic));
5088 if (!uic.uic$v_group)
5089 uic.uic$v_group= PerlProc_getgid();
5091 status = sys$idtoasc(uic.uic$l_uic, &lname, &name_desc, 0, 0, 0);
5092 else status = SS$_IVIDENT;
5093 if (status == SS$_IVIDENT || status == SS$_NOSUCHID ||
5094 status == RMS$_PRV) {
5095 set_vaxc_errno(status); set_errno(status == RMS$_PRV ? EACCES : EINVAL);
5098 else { _ckvmssts(status); }
5100 __pw_namecache[lname]= '\0';
5101 __mystrtolower(__pw_namecache);
5103 __pwdcache = __passwd_empty;
5104 __pwdcache.pw_name = __pw_namecache;
5106 /* Fill in the uid and gid in case fillpasswd can't (eg. no privilege).
5107 The identifier's value is usually the UIC, but it doesn't have to be,
5108 so if we can, we let fillpasswd update this. */
5109 __pwdcache.pw_uid = uic.uic$l_uic;
5110 __pwdcache.pw_gid = uic.uic$v_group;
5112 fillpasswd(__pw_namecache, &__pwdcache);
5115 } /* end of my_getpwuid() */
5119 * Get information for next user.
5121 /*{{{struct passwd *my_getpwent()*/
5122 struct passwd *my_getpwent()
5124 return (my_getpwuid((unsigned int) -1));
5129 * Finish searching rights database for users.
5131 /*{{{void my_endpwent()*/
5136 _ckvmssts(sys$finish_rdb(&contxt));
5142 #ifdef HOMEGROWN_POSIX_SIGNALS
5143 /* Signal handling routines, pulled into the core from POSIX.xs.
5145 * We need these for threads, so they've been rolled into the core,
5146 * rather than left in POSIX.xs.
5148 * (DRS, Oct 23, 1997)
5151 /* sigset_t is atomic under VMS, so these routines are easy */
5152 /*{{{int my_sigemptyset(sigset_t *) */
5153 int my_sigemptyset(sigset_t *set) {
5154 if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; }
5160 /*{{{int my_sigfillset(sigset_t *)*/
5161 int my_sigfillset(sigset_t *set) {
5163 if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; }
5164 for (i = 0; i < NSIG; i++) *set |= (1 << i);
5170 /*{{{int my_sigaddset(sigset_t *set, int sig)*/
5171 int my_sigaddset(sigset_t *set, int sig) {
5172 if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; }
5173 if (sig > NSIG) { SETERRNO(EINVAL,LIB$_INVARG); return -1; }
5174 *set |= (1 << (sig - 1));
5180 /*{{{int my_sigdelset(sigset_t *set, int sig)*/
5181 int my_sigdelset(sigset_t *set, int sig) {
5182 if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; }
5183 if (sig > NSIG) { SETERRNO(EINVAL,LIB$_INVARG); return -1; }
5184 *set &= ~(1 << (sig - 1));
5190 /*{{{int my_sigismember(sigset_t *set, int sig)*/
5191 int my_sigismember(sigset_t *set, int sig) {
5192 if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; }
5193 if (sig > NSIG) { SETERRNO(EINVAL,LIB$_INVARG); return -1; }
5194 *set & (1 << (sig - 1));
5199 /*{{{int my_sigprocmask(int how, sigset_t *set, sigset_t *oset)*/
5200 int my_sigprocmask(int how, sigset_t *set, sigset_t *oset) {
5203 /* If set and oset are both null, then things are badly wrong. Bail out. */
5204 if ((oset == NULL) && (set == NULL)) {
5205 set_errno(EFAULT); set_vaxc_errno(SS$_ACCVIO);
5209 /* If set's null, then we're just handling a fetch. */
5211 tempmask = sigblock(0);
5216 tempmask = sigsetmask(*set);
5219 tempmask = sigblock(*set);
5222 tempmask = sigblock(0);
5223 sigsetmask(*oset & ~tempmask);
5226 set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
5231 /* Did they pass us an oset? If so, stick our holding mask into it */
5238 #endif /* HOMEGROWN_POSIX_SIGNALS */
5241 /* Used for UTC calculation in my_gmtime(), my_localtime(), my_time(),
5242 * my_utime(), and flex_stat(), all of which operate on UTC unless
5243 * VMSISH_TIMES is true.
5245 /* method used to handle UTC conversions:
5246 * 1 == CRTL gmtime(); 2 == SYS$TIMEZONE_DIFFERENTIAL; 3 == no correction
5248 static int gmtime_emulation_type;
5249 /* number of secs to add to UTC POSIX-style time to get local time */
5250 static long int utc_offset_secs;
5252 /* We #defined 'gmtime', 'localtime', and 'time' as 'my_gmtime' etc.
5253 * in vmsish.h. #undef them here so we can call the CRTL routines
5262 * DEC C previous to 6.0 corrupts the behavior of the /prefix
5263 * qualifier with the extern prefix pragma. This provisional
5264 * hack circumvents this prefix pragma problem in previous
5267 #if defined(__VMS_VER) && __VMS_VER >= 70000000
5268 # if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 60000000)
5269 # pragma __extern_prefix save
5270 # pragma __extern_prefix "" /* set to empty to prevent prefixing */
5271 # define gmtime decc$__utctz_gmtime
5272 # define localtime decc$__utctz_localtime
5273 # define time decc$__utc_time
5274 # pragma __extern_prefix restore
5276 struct tm *gmtime(), *localtime();
5282 static time_t toutc_dst(time_t loc) {
5285 if ((rsltmp = localtime(&loc)) == NULL) return -1;
5286 loc -= utc_offset_secs;
5287 if (rsltmp->tm_isdst) loc -= 3600;
5290 #define _toutc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \
5291 ((gmtime_emulation_type || my_time(NULL)), \
5292 (gmtime_emulation_type == 1 ? toutc_dst(secs) : \
5293 ((secs) - utc_offset_secs))))
5295 static time_t toloc_dst(time_t utc) {
5298 utc += utc_offset_secs;
5299 if ((rsltmp = localtime(&utc)) == NULL) return -1;
5300 if (rsltmp->tm_isdst) utc += 3600;
5303 #define _toloc(secs) ((secs) == (time_t) -1 ? (time_t) -1 : \
5304 ((gmtime_emulation_type || my_time(NULL)), \
5305 (gmtime_emulation_type == 1 ? toloc_dst(secs) : \
5306 ((secs) + utc_offset_secs))))
5308 #ifndef RTL_USES_UTC
5311 ucx$tz = "EST5EDT4,M4.1.0,M10.5.0" typical
5312 DST starts on 1st sun of april at 02:00 std time
5313 ends on last sun of october at 02:00 dst time
5314 see the UCX management command reference, SET CONFIG TIMEZONE
5315 for formatting info.
5317 No, it's not as general as it should be, but then again, NOTHING
5318 will handle UK times in a sensible way.
5323 parse the DST start/end info:
5324 (Jddd|ddd|Mmon.nth.dow)[/hh:mm:ss]
5328 tz_parse_startend(char *s, struct tm *w, int *past)
5330 int dinm[] = {31,28,31,30,31,30,31,31,30,31,30,31};
5331 int ly, dozjd, d, m, n, hour, min, sec, j, k;
5336 if (!past) return 0;
5339 if (w->tm_year % 4 == 0) ly = 1;
5340 if (w->tm_year % 100 == 0) ly = 0;
5341 if (w->tm_year+1900 % 400 == 0) ly = 1;
5344 dozjd = isdigit(*s);
5345 if (*s == 'J' || *s == 'j' || dozjd) {
5346 if (!dozjd && !isdigit(*++s)) return 0;
5349 d = d*10 + *s++ - '0';
5351 d = d*10 + *s++ - '0';
5354 if (d == 0) return 0;
5355 if (d > 366) return 0;
5357 if (!dozjd && d > 58 && ly) d++; /* after 28 feb */
5360 } else if (*s == 'M' || *s == 'm') {
5361 if (!isdigit(*++s)) return 0;
5363 if (isdigit(*s)) m = 10*m + *s++ - '0';
5364 if (*s != '.') return 0;
5365 if (!isdigit(*++s)) return 0;
5367 if (n < 1 || n > 5) return 0;
5368 if (*s != '.') return 0;
5369 if (!isdigit(*++s)) return 0;
5371 if (d > 6) return 0;
5375 if (!isdigit(*++s)) return 0;
5377 if (isdigit(*s)) hour = 10*hour + *s++ - '0';
5379 if (!isdigit(*++s)) return 0;
5381 if (isdigit(*s)) min = 10*min + *s++ - '0';
5383 if (!isdigit(*++s)) return 0;
5385 if (isdigit(*s)) sec = 10*sec + *s++ - '0';
5395 if (w->tm_yday < d) goto before;
5396 if (w->tm_yday > d) goto after;
5398 if (w->tm_mon+1 < m) goto before;
5399 if (w->tm_mon+1 > m) goto after;
5401 j = (42 + w->tm_wday - w->tm_mday)%7; /*dow of mday 0 */
5402 k = d - j; /* mday of first d */
5404 k += 7 * ((n>4?4:n)-1); /* mday of n'th d */
5405 if (n == 5 && k+7 <= dinm[w->tm_mon]) k += 7;
5406 if (w->tm_mday < k) goto before;
5407 if (w->tm_mday > k) goto after;
5410 if (w->tm_hour < hour) goto before;
5411 if (w->tm_hour > hour) goto after;
5412 if (w->tm_min < min) goto before;
5413 if (w->tm_min > min) goto after;
5414 if (w->tm_sec < sec) goto before;
5428 /* parse the offset: (+|-)hh[:mm[:ss]] */
5431 tz_parse_offset(char *s, int *offset)
5433 int hour = 0, min = 0, sec = 0;
5436 if (!offset) return 0;
5438 if (*s == '-') {neg++; s++;}
5440 if (!isdigit(*s)) return 0;
5442 if (isdigit(*s)) hour = hour*10+(*s++ - '0');
5443 if (hour > 24) return 0;
5445 if (!isdigit(*++s)) return 0;
5447 if (isdigit(*s)) min = min*10 + (*s++ - '0');
5448 if (min > 59) return 0;
5450 if (!isdigit(*++s)) return 0;
5452 if (isdigit(*s)) sec = sec*10 + (*s++ - '0');
5453 if (sec > 59) return 0;
5457 *offset = (hour*60+min)*60 + sec;
5458 if (neg) *offset = -*offset;
5463 input time is w, whatever type of time the CRTL localtime() uses.
5464 sets dst, the zone, and the gmtoff (seconds)
5466 caches the value of TZ and UCX$TZ env variables; note that
5467 my_setenv looks for these and sets a flag if they're changed
5470 We have to watch out for the "australian" case (dst starts in
5471 october, ends in april)...flagged by "reverse" and checked by
5472 scanning through the months of the previous year.
5477 tz_parse(time_t *w, int *dst, char *zone, int *gmtoff)
5482 char *dstzone, *tz, *s_start, *s_end;
5483 int std_off, dst_off, isdst;
5484 int y, dststart, dstend;
5485 static char envtz[1025]; /* longer than any logical, symbol, ... */
5486 static char ucxtz[1025];
5487 static char reversed = 0;
5493 reversed = -1; /* flag need to check */
5494 envtz[0] = ucxtz[0] = '\0';
5495 tz = my_getenv("TZ",0);
5496 if (tz) strcpy(envtz, tz);
5497 tz = my_getenv("UCX$TZ",0);
5498 if (tz) strcpy(ucxtz, tz);
5499 if (!envtz[0] && !ucxtz[0]) return 0; /* we give up */
5502 if (!*tz) tz = ucxtz;
5505 while (isalpha(*s)) s++;
5506 s = tz_parse_offset(s, &std_off);
5508 if (!*s) { /* no DST, hurray we're done! */
5514 while (isalpha(*s)) s++;
5515 s2 = tz_parse_offset(s, &dst_off);
5519 dst_off = std_off - 3600;
5522 if (!*s) { /* default dst start/end?? */
5523 if (tz != ucxtz) { /* if TZ tells zone only, UCX$TZ tells rule */
5524 s = strchr(ucxtz,',');
5526 if (!s || !*s) s = ",M4.1.0,M10.5.0"; /* we know we do dst, default rule */
5528 if (*s != ',') return 0;
5531 when = _toutc(when); /* convert to utc */
5532 when = when - std_off; /* convert to pseudolocal time*/
5534 w2 = localtime(&when);
5537 s = tz_parse_startend(s_start,w2,&dststart);
5539 if (*s != ',') return 0;
5542 when = _toutc(when); /* convert to utc */
5543 when = when - dst_off; /* convert to pseudolocal time*/
5544 w2 = localtime(&when);
5545 if (w2->tm_year != y) { /* spans a year, just check one time */
5546 when += dst_off - std_off;
5547 w2 = localtime(&when);
5550 s = tz_parse_startend(s_end,w2,&dstend);
5553 if (reversed == -1) { /* need to check if start later than end */
5557 if (when < 2*365*86400) {
5558 when += 2*365*86400;
5562 w2 =localtime(&when);
5563 when = when + (15 - w2->tm_yday) * 86400; /* jan 15 */
5565 for (j = 0; j < 12; j++) {
5566 w2 =localtime(&when);
5567 (void) tz_parse_startend(s_start,w2,&ds);
5568 (void) tz_parse_startend(s_end,w2,&de);
5569 if (ds != de) break;
5573 if (de && !ds) reversed = 1;
5576 isdst = dststart && !dstend;
5577 if (reversed) isdst = dststart || !dstend;
5580 if (dst) *dst = isdst;
5581 if (gmtoff) *gmtoff = isdst ? dst_off : std_off;
5582 if (isdst) tz = dstzone;
5584 while(isalpha(*tz)) *zone++ = *tz++;
5590 #endif /* !RTL_USES_UTC */
5592 /* my_time(), my_localtime(), my_gmtime()
5593 * By default traffic in UTC time values, using CRTL gmtime() or
5594 * SYS$TIMEZONE_DIFFERENTIAL to determine offset from local time zone.
5595 * Note: We need to use these functions even when the CRTL has working
5596 * UTC support, since they also handle C<use vmsish qw(times);>
5598 * Contributed by Chuck Lane <lane@duphy4.physics.drexel.edu>
5599 * Modified by Charles Bailey <bailey@newman.upenn.edu>
5602 /*{{{time_t my_time(time_t *timep)*/
5603 time_t my_time(time_t *timep)
5609 if (gmtime_emulation_type == 0) {
5611 time_t base = 15 * 86400; /* 15jan71; to avoid month/year ends between */
5612 /* results of calls to gmtime() and localtime() */
5613 /* for same &base */
5615 gmtime_emulation_type++;
5616 if ((tm_p = gmtime(&base)) == NULL) { /* CRTL gmtime() is a fake */
5617 char off[LNM$C_NAMLENGTH+1];;
5619 gmtime_emulation_type++;
5620 if (!vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) {
5621 gmtime_emulation_type++;
5622 utc_offset_secs = 0;
5623 Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC");
5625 else { utc_offset_secs = atol(off); }
5627 else { /* We've got a working gmtime() */
5628 struct tm gmt, local;
5631 tm_p = localtime(&base);
5633 utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400;
5634 utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600;
5635 utc_offset_secs += (local.tm_min - gmt.tm_min) * 60;
5636 utc_offset_secs += (local.tm_sec - gmt.tm_sec);
5642 # ifdef RTL_USES_UTC
5643 if (VMSISH_TIME) when = _toloc(when);
5645 if (!VMSISH_TIME) when = _toutc(when);
5648 if (timep != NULL) *timep = when;
5651 } /* end of my_time() */
5655 /*{{{struct tm *my_gmtime(const time_t *timep)*/
5657 my_gmtime(const time_t *timep)
5664 if (timep == NULL) {
5665 set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
5668 if (*timep == 0) gmtime_emulation_type = 0; /* possibly reset TZ */
5672 if (VMSISH_TIME) when = _toutc(when); /* Input was local time */
5674 # ifdef RTL_USES_UTC /* this implies that the CRTL has a working gmtime() */
5675 return gmtime(&when);
5677 /* CRTL localtime() wants local time as input, so does no tz correction */
5678 rsltmp = localtime(&when);
5679 if (rsltmp) rsltmp->tm_isdst = 0; /* We already took DST into account */
5682 } /* end of my_gmtime() */
5686 /*{{{struct tm *my_localtime(const time_t *timep)*/
5688 my_localtime(const time_t *timep)
5691 time_t when, whenutc;
5695 if (timep == NULL) {
5696 set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
5699 if (*timep == 0) gmtime_emulation_type = 0; /* possibly reset TZ */
5700 if (gmtime_emulation_type == 0) (void) my_time(NULL); /* Init UTC */
5703 # ifdef RTL_USES_UTC
5705 if (VMSISH_TIME) when = _toutc(when);
5707 /* CRTL localtime() wants UTC as input, does tz correction itself */
5708 return localtime(&when);
5710 # else /* !RTL_USES_UTC */
5713 if (!VMSISH_TIME) when = _toloc(whenutc); /* input was UTC */
5714 if (VMSISH_TIME) whenutc = _toutc(when); /* input was truelocal */
5717 #ifndef RTL_USES_UTC
5718 if (tz_parse(&when, &dst, 0, &offset)) { /* truelocal determines DST*/
5719 when = whenutc - offset; /* pseudolocal time*/
5722 /* CRTL localtime() wants local time as input, so does no tz correction */
5723 rsltmp = localtime(&when);
5724 if (rsltmp && gmtime_emulation_type != 1) rsltmp->tm_isdst = dst;
5728 } /* end of my_localtime() */
5731 /* Reset definitions for later calls */
5732 #define gmtime(t) my_gmtime(t)
5733 #define localtime(t) my_localtime(t)
5734 #define time(t) my_time(t)
5737 /* my_utime - update modification time of a file
5738 * calling sequence is identical to POSIX utime(), but under
5739 * VMS only the modification time is changed; ODS-2 does not
5740 * maintain access times. Restrictions differ from the POSIX
5741 * definition in that the time can be changed as long as the
5742 * caller has permission to execute the necessary IO$_MODIFY $QIO;
5743 * no separate checks are made to insure that the caller is the
5744 * owner of the file or has special privs enabled.
5745 * Code here is based on Joe Meadows' FILE utility.
5748 /* Adjustment from Unix epoch (01-JAN-1970 00:00:00.00)
5749 * to VMS epoch (01-JAN-1858 00:00:00.00)
5750 * in 100 ns intervals.
5752 static const long int utime_baseadjust[2] = { 0x4beb4000, 0x7c9567 };
5754 /*{{{int my_utime(char *path, struct utimbuf *utimes)*/
5755 int my_utime(char *file, struct utimbuf *utimes)
5759 long int bintime[2], len = 2, lowbit, unixtime,
5760 secscale = 10000000; /* seconds --> 100 ns intervals */
5761 unsigned long int chan, iosb[2], retsts;
5762 char vmsspec[NAM$C_MAXRSS+1], rsa[NAM$C_MAXRSS], esa[NAM$C_MAXRSS];
5763 struct FAB myfab = cc$rms_fab;
5764 struct NAM mynam = cc$rms_nam;
5765 #if defined (__DECC) && defined (__VAX)
5766 /* VAX DEC C atrdef.h has unsigned type for pointer member atr$l_addr,
5767 * at least through VMS V6.1, which causes a type-conversion warning.
5769 # pragma message save
5770 # pragma message disable cvtdiftypes
5772 struct atrdef myatr[2] = {{sizeof bintime, ATR$C_REVDATE, bintime}, {0,0,0}};
5773 struct fibdef myfib;
5774 #if defined (__DECC) && defined (__VAX)
5775 /* This should be right after the declaration of myatr, but due
5776 * to a bug in VAX DEC C, this takes effect a statement early.
5778 # pragma message restore
5780 struct dsc$descriptor fibdsc = {sizeof(myfib), DSC$K_DTYPE_Z, DSC$K_CLASS_S,(char *) &myfib},
5781 devdsc = {0,DSC$K_DTYPE_T, DSC$K_CLASS_S,0},
5782 fnmdsc = {0,DSC$K_DTYPE_T, DSC$K_CLASS_S,0};
5784 if (file == NULL || *file == '\0') {
5786 set_vaxc_errno(LIB$_INVARG);
5789 if (do_tovmsspec(file,vmsspec,0) == NULL) return -1;
5791 if (utimes != NULL) {
5792 /* Convert Unix time (seconds since 01-JAN-1970 00:00:00.00)
5793 * to VMS quadword time (100 nsec intervals since 01-JAN-1858 00:00:00.00).
5794 * Since time_t is unsigned long int, and lib$emul takes a signed long int
5795 * as input, we force the sign bit to be clear by shifting unixtime right
5796 * one bit, then multiplying by an extra factor of 2 in lib$emul().
5798 lowbit = (utimes->modtime & 1) ? secscale : 0;
5799 unixtime = (long int) utimes->modtime;
5801 /* If input was UTC; convert to local for sys svc */
5802 if (!VMSISH_TIME) unixtime = _toloc(unixtime);
5804 unixtime >>= 1; secscale <<= 1;
5805 retsts = lib$emul(&secscale, &unixtime, &lowbit, bintime);
5806 if (!(retsts & 1)) {
5808 set_vaxc_errno(retsts);
5811 retsts = lib$addx(bintime,utime_baseadjust,bintime,&len);
5812 if (!(retsts & 1)) {
5814 set_vaxc_errno(retsts);
5819 /* Just get the current time in VMS format directly */
5820 retsts = sys$gettim(bintime);
5821 if (!(retsts & 1)) {
5823 set_vaxc_errno(retsts);
5828 myfab.fab$l_fna = vmsspec;
5829 myfab.fab$b_fns = (unsigned char) strlen(vmsspec);
5830 myfab.fab$l_nam = &mynam;
5831 mynam.nam$l_esa = esa;
5832 mynam.nam$b_ess = (unsigned char) sizeof esa;
5833 mynam.nam$l_rsa = rsa;
5834 mynam.nam$b_rss = (unsigned char) sizeof rsa;
5836 /* Look for the file to be affected, letting RMS parse the file
5837 * specification for us as well. I have set errno using only
5838 * values documented in the utime() man page for VMS POSIX.
5840 retsts = sys$parse(&myfab,0,0);
5841 if (!(retsts & 1)) {
5842 set_vaxc_errno(retsts);
5843 if (retsts == RMS$_PRV) set_errno(EACCES);
5844 else if (retsts == RMS$_DIR) set_errno(ENOTDIR);
5845 else set_errno(EVMSERR);
5848 retsts = sys$search(&myfab,0,0);
5849 if (!(retsts & 1)) {
5850 mynam.nam$b_nop |= NAM$M_SYNCHK; mynam.nam$l_rlf = NULL;
5851 myfab.fab$b_dns = 0; (void) sys$parse(&myfab,0,0);
5852 set_vaxc_errno(retsts);
5853 if (retsts == RMS$_PRV) set_errno(EACCES);
5854 else if (retsts == RMS$_FNF) set_errno(ENOENT);
5855 else set_errno(EVMSERR);
5859 devdsc.dsc$w_length = mynam.nam$b_dev;
5860 devdsc.dsc$a_pointer = (char *) mynam.nam$l_dev;
5862 retsts = sys$assign(&devdsc,&chan,0,0);
5863 if (!(retsts & 1)) {
5864 mynam.nam$b_nop |= NAM$M_SYNCHK; mynam.nam$l_rlf = NULL;
5865 myfab.fab$b_dns = 0; (void) sys$parse(&myfab,0,0);
5866 set_vaxc_errno(retsts);
5867 if (retsts == SS$_IVDEVNAM) set_errno(ENOTDIR);
5868 else if (retsts == SS$_NOPRIV) set_errno(EACCES);
5869 else if (retsts == SS$_NOSUCHDEV) set_errno(ENOTDIR);
5870 else set_errno(EVMSERR);
5874 fnmdsc.dsc$a_pointer = mynam.nam$l_name;
5875 fnmdsc.dsc$w_length = mynam.nam$b_name + mynam.nam$b_type + mynam.nam$b_ver;
5877 memset((void *) &myfib, 0, sizeof myfib);
5878 #if defined(__DECC) || defined(__DECCXX)
5879 for (i=0;i<3;i++) myfib.fib$w_fid[i] = mynam.nam$w_fid[i];
5880 for (i=0;i<3;i++) myfib.fib$w_did[i] = mynam.nam$w_did[i];
5881 /* This prevents the revision time of the file being reset to the current
5882 * time as a result of our IO$_MODIFY $QIO. */
5883 myfib.fib$l_acctl = FIB$M_NORECORD;
5885 for (i=0;i<3;i++) myfib.fib$r_fid_overlay.fib$w_fid[i] = mynam.nam$w_fid[i];
5886 for (i=0;i<3;i++) myfib.fib$r_did_overlay.fib$w_did[i] = mynam.nam$w_did[i];
5887 myfib.fib$r_acctl_overlay.fib$l_acctl = FIB$M_NORECORD;
5889 retsts = sys$qiow(0,chan,IO$_MODIFY,iosb,0,0,&fibdsc,&fnmdsc,0,0,myatr,0);
5890 mynam.nam$b_nop |= NAM$M_SYNCHK; mynam.nam$l_rlf = NULL;
5891 myfab.fab$b_dns = 0; (void) sys$parse(&myfab,0,0);
5892 _ckvmssts(sys$dassgn(chan));
5893 if (retsts & 1) retsts = iosb[0];
5894 if (!(retsts & 1)) {
5895 set_vaxc_errno(retsts);
5896 if (retsts == SS$_NOPRIV) set_errno(EACCES);
5897 else set_errno(EVMSERR);
5902 } /* end of my_utime() */
5906 * flex_stat, flex_fstat
5907 * basic stat, but gets it right when asked to stat
5908 * a Unix-style path ending in a directory name (e.g. dir1/dir2/dir3)
5911 /* encode_dev packs a VMS device name string into an integer to allow
5912 * simple comparisons. This can be used, for example, to check whether two
5913 * files are located on the same device, by comparing their encoded device
5914 * names. Even a string comparison would not do, because stat() reuses the
5915 * device name buffer for each call; so without encode_dev, it would be
5916 * necessary to save the buffer and use strcmp (this would mean a number of
5917 * changes to the standard Perl code, to say nothing of what a Perl script
5920 * The device lock id, if it exists, should be unique (unless perhaps compared
5921 * with lock ids transferred from other nodes). We have a lock id if the disk is
5922 * mounted cluster-wide, which is when we tend to get long (host-qualified)
5923 * device names. Thus we use the lock id in preference, and only if that isn't
5924 * available, do we try to pack the device name into an integer (flagged by
5925 * the sign bit (LOCKID_MASK) being set).
5927 * Note that encode_dev cannot guarantee an 1-to-1 correspondence twixt device
5928 * name and its encoded form, but it seems very unlikely that we will find
5929 * two files on different disks that share the same encoded device names,
5930 * and even more remote that they will share the same file id (if the test
5931 * is to check for the same file).
5933 * A better method might be to use sys$device_scan on the first call, and to
5934 * search for the device, returning an index into the cached array.
5935 * The number returned would be more intelligable.
5936 * This is probably not worth it, and anyway would take quite a bit longer
5937 * on the first call.
5939 #define LOCKID_MASK 0x80000000 /* Use 0 to force device name use only */
5940 static mydev_t encode_dev (const char *dev)
5943 unsigned long int f;
5949 if (!dev || !dev[0]) return 0;
5953 struct dsc$descriptor_s dev_desc;
5954 unsigned long int status, lockid, item = DVI$_LOCKID;
5956 /* For cluster-mounted disks, the disk lock identifier is unique, so we
5957 can try that first. */
5958 dev_desc.dsc$w_length = strlen (dev);
5959 dev_desc.dsc$b_dtype = DSC$K_DTYPE_T;
5960 dev_desc.dsc$b_class = DSC$K_CLASS_S;
5961 dev_desc.dsc$a_pointer = (char *) dev;
5962 _ckvmssts(lib$getdvi(&item, 0, &dev_desc, &lockid, 0, 0));
5963 if (lockid) return (lockid & ~LOCKID_MASK);
5967 /* Otherwise we try to encode the device name */
5971 for (q = dev + strlen(dev); q--; q >= dev) {
5974 else if (isalpha (toupper (*q)))
5975 c= toupper (*q) - 'A' + (char)10;
5977 continue; /* Skip '$'s */
5979 if (i>6) break; /* 36^7 is too large to fit in an unsigned long int */
5981 enc += f * (unsigned long int) c;
5983 return (enc | LOCKID_MASK); /* May have already overflowed into bit 31 */
5985 } /* end of encode_dev() */
5987 static char namecache[NAM$C_MAXRSS+1];
5990 is_null_device(name)
5994 /* The VMS null device is named "_NLA0:", usually abbreviated as "NL:".
5995 The underscore prefix, controller letter, and unit number are
5996 independently optional; for our purposes, the colon punctuation
5997 is not. The colon can be trailed by optional directory and/or
5998 filename, but two consecutive colons indicates a nodename rather
5999 than a device. [pr] */
6000 if (*name == '_') ++name;
6001 if (tolower(*name++) != 'n') return 0;
6002 if (tolower(*name++) != 'l') return 0;
6003 if (tolower(*name) == 'a') ++name;
6004 if (*name == '0') ++name;
6005 return (*name++ == ':') && (*name != ':');
6008 /* Do the permissions allow some operation? Assumes PL_statcache already set. */
6009 /* Do this via $Check_Access on VMS, since the CRTL stat() returns only a
6010 * subset of the applicable information.
6013 Perl_cando(pTHX_ Mode_t bit, Uid_t effective, Stat_t *statbufp)
6015 char fname_phdev[NAM$C_MAXRSS+1];
6016 if (statbufp == &PL_statcache) return cando_by_name(bit,effective,namecache);
6018 char fname[NAM$C_MAXRSS+1];
6019 unsigned long int retsts;
6020 struct dsc$descriptor_s devdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0},
6021 namdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
6023 /* If the struct mystat is stale, we're OOL; stat() overwrites the
6024 device name on successive calls */
6025 devdsc.dsc$a_pointer = ((Stat_t *)statbufp)->st_devnam;
6026 devdsc.dsc$w_length = strlen(((Stat_t *)statbufp)->st_devnam);
6027 namdsc.dsc$a_pointer = fname;
6028 namdsc.dsc$w_length = sizeof fname - 1;
6030 retsts = lib$fid_to_name(&devdsc,&(((Stat_t *)statbufp)->st_ino),
6031 &namdsc,&namdsc.dsc$w_length,0,0);
6033 fname[namdsc.dsc$w_length] = '\0';
6035 * lib$fid_to_name returns DVI$_LOGVOLNAM as the device part of the name,
6036 * but if someone has redefined that logical, Perl gets very lost. Since
6037 * we have the physical device name from the stat buffer, just paste it on.
6039 strcpy( fname_phdev, statbufp->st_devnam );
6040 strcat( fname_phdev, strrchr(fname, ':') );
6042 return cando_by_name(bit,effective,fname_phdev);
6044 else if (retsts == SS$_NOSUCHDEV || retsts == SS$_NOSUCHFILE) {
6045 Perl_warn(aTHX_ "Can't get filespec - stale stat buffer?\n");
6049 return FALSE; /* Should never get to here */
6051 } /* end of cando() */
6055 /*{{{I32 cando_by_name(I32 bit, Uid_t effective, char *fname)*/
6057 cando_by_name(I32 bit, Uid_t effective, char *fname)
6059 static char usrname[L_cuserid];
6060 static struct dsc$descriptor_s usrdsc =
6061 {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, usrname};
6062 char vmsname[NAM$C_MAXRSS+1], fileified[NAM$C_MAXRSS+1];
6063 unsigned long int objtyp = ACL$C_FILE, access, retsts, privused, iosb[2];
6064 unsigned short int retlen;
6066 struct dsc$descriptor_s namdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
6067 union prvdef curprv;
6068 struct itmlst_3 armlst[3] = {{sizeof access, CHP$_ACCESS, &access, &retlen},
6069 {sizeof privused, CHP$_PRIVUSED, &privused, &retlen},{0,0,0,0}};
6070 struct itmlst_3 jpilst[2] = {{sizeof curprv, JPI$_CURPRIV, &curprv, &retlen},
6073 if (!fname || !*fname) return FALSE;
6074 /* Make sure we expand logical names, since sys$check_access doesn't */
6075 if (!strpbrk(fname,"/]>:")) {
6076 strcpy(fileified,fname);
6077 while (!strpbrk(fileified,"/]>:>") && my_trnlnm(fileified,fileified,0)) ;
6080 if (!do_tovmsspec(fname,vmsname,1)) return FALSE;
6081 retlen = namdsc.dsc$w_length = strlen(vmsname);
6082 namdsc.dsc$a_pointer = vmsname;
6083 if (vmsname[retlen-1] == ']' || vmsname[retlen-1] == '>' ||
6084 vmsname[retlen-1] == ':') {
6085 if (!do_fileify_dirspec(vmsname,fileified,1)) return FALSE;
6086 namdsc.dsc$w_length = strlen(fileified);
6087 namdsc.dsc$a_pointer = fileified;
6090 if (!usrdsc.dsc$w_length) {
6092 usrdsc.dsc$w_length = strlen(usrname);
6096 case S_IXUSR: case S_IXGRP: case S_IXOTH:
6097 access = ARM$M_EXECUTE; break;
6098 case S_IRUSR: case S_IRGRP: case S_IROTH:
6099 access = ARM$M_READ; break;
6100 case S_IWUSR: case S_IWGRP: case S_IWOTH:
6101 access = ARM$M_WRITE; break;
6102 case S_IDUSR: case S_IDGRP: case S_IDOTH:
6103 access = ARM$M_DELETE; break;
6108 retsts = sys$check_access(&objtyp,&namdsc,&usrdsc,armlst);
6109 if (retsts == SS$_NOPRIV || retsts == SS$_NOSUCHOBJECT ||
6110 retsts == SS$_INVFILFOROP || retsts == RMS$_FNF || retsts == RMS$_SYN ||
6111 retsts == RMS$_DIR || retsts == RMS$_DEV || retsts == RMS$_DNF) {
6112 set_vaxc_errno(retsts);
6113 if (retsts == SS$_NOPRIV) set_errno(EACCES);
6114 else if (retsts == SS$_INVFILFOROP) set_errno(EINVAL);
6115 else set_errno(ENOENT);
6118 if (retsts == SS$_NORMAL) {
6119 if (!privused) return TRUE;
6120 /* We can get access, but only by using privs. Do we have the
6121 necessary privs currently enabled? */
6122 _ckvmssts(sys$getjpiw(0,0,0,jpilst,iosb,0,0));
6123 if ((privused & CHP$M_BYPASS) && !curprv.prv$v_bypass) return FALSE;
6124 if ((privused & CHP$M_SYSPRV) && !curprv.prv$v_sysprv &&
6125 !curprv.prv$v_bypass) return FALSE;
6126 if ((privused & CHP$M_GRPPRV) && !curprv.prv$v_grpprv &&
6127 !curprv.prv$v_sysprv && !curprv.prv$v_bypass) return FALSE;
6128 if ((privused & CHP$M_READALL) && !curprv.prv$v_readall) return FALSE;
6131 if (retsts == SS$_ACCONFLICT) {
6136 return FALSE; /* Should never get here */
6138 } /* end of cando_by_name() */
6142 /*{{{ int flex_fstat(int fd, Stat_t *statbuf)*/
6144 flex_fstat(int fd, Stat_t *statbufp)
6147 if (!fstat(fd,(stat_t *) statbufp)) {
6148 if (statbufp == (Stat_t *) &PL_statcache) *namecache == '\0';
6149 statbufp->st_dev = encode_dev(statbufp->st_devnam);
6150 # ifdef RTL_USES_UTC
6153 statbufp->st_mtime = _toloc(statbufp->st_mtime);
6154 statbufp->st_atime = _toloc(statbufp->st_atime);
6155 statbufp->st_ctime = _toloc(statbufp->st_ctime);
6160 if (!VMSISH_TIME) { /* Return UTC instead of local time */
6164 statbufp->st_mtime = _toutc(statbufp->st_mtime);
6165 statbufp->st_atime = _toutc(statbufp->st_atime);
6166 statbufp->st_ctime = _toutc(statbufp->st_ctime);
6173 } /* end of flex_fstat() */
6176 /*{{{ int flex_stat(const char *fspec, Stat_t *statbufp)*/
6178 flex_stat(const char *fspec, Stat_t *statbufp)
6181 char fileified[NAM$C_MAXRSS+1];
6182 char temp_fspec[NAM$C_MAXRSS+300];
6185 strcpy(temp_fspec, fspec);
6186 if (statbufp == (Stat_t *) &PL_statcache)
6187 do_tovmsspec(temp_fspec,namecache,0);
6188 if (is_null_device(temp_fspec)) { /* Fake a stat() for the null device */
6189 memset(statbufp,0,sizeof *statbufp);
6190 statbufp->st_dev = encode_dev("_NLA0:");
6191 statbufp->st_mode = S_IFBLK | S_IREAD | S_IWRITE | S_IEXEC;
6192 statbufp->st_uid = 0x00010001;
6193 statbufp->st_gid = 0x0001;
6194 time((time_t *)&statbufp->st_mtime);
6195 statbufp->st_atime = statbufp->st_ctime = statbufp->st_mtime;
6199 /* Try for a directory name first. If fspec contains a filename without
6200 * a type (e.g. sea:[wine.dark]water), and both sea:[wine.dark]water.dir
6201 * and sea:[wine.dark]water. exist, we prefer the directory here.
6202 * Similarly, sea:[wine.dark] returns the result for sea:[wine]dark.dir,
6203 * not sea:[wine.dark]., if the latter exists. If the intended target is
6204 * the file with null type, specify this by calling flex_stat() with
6205 * a '.' at the end of fspec.
6207 if (do_fileify_dirspec(temp_fspec,fileified,0) != NULL) {
6208 retval = stat(fileified,(stat_t *) statbufp);
6209 if (!retval && statbufp == (Stat_t *) &PL_statcache)
6210 strcpy(namecache,fileified);
6212 if (retval) retval = stat(temp_fspec,(stat_t *) statbufp);
6214 statbufp->st_dev = encode_dev(statbufp->st_devnam);
6215 # ifdef RTL_USES_UTC
6218 statbufp->st_mtime = _toloc(statbufp->st_mtime);
6219 statbufp->st_atime = _toloc(statbufp->st_atime);
6220 statbufp->st_ctime = _toloc(statbufp->st_ctime);
6225 if (!VMSISH_TIME) { /* Return UTC instead of local time */
6229 statbufp->st_mtime = _toutc(statbufp->st_mtime);
6230 statbufp->st_atime = _toutc(statbufp->st_atime);
6231 statbufp->st_ctime = _toutc(statbufp->st_ctime);
6237 } /* end of flex_stat() */
6241 /*{{{char *my_getlogin()*/
6242 /* VMS cuserid == Unix getlogin, except calling sequence */
6246 static char user[L_cuserid];
6247 return cuserid(user);
6252 /* rmscopy - copy a file using VMS RMS routines
6254 * Copies contents and attributes of spec_in to spec_out, except owner
6255 * and protection information. Name and type of spec_in are used as
6256 * defaults for spec_out. The third parameter specifies whether rmscopy()
6257 * should try to propagate timestamps from the input file to the output file.
6258 * If it is less than 0, no timestamps are preserved. If it is 0, then
6259 * rmscopy() will behave similarly to the DCL COPY command: timestamps are
6260 * propagated to the output file at creation iff the output file specification
6261 * did not contain an explicit name or type, and the revision date is always
6262 * updated at the end of the copy operation. If it is greater than 0, then
6263 * it is interpreted as a bitmask, in which bit 0 indicates that timestamps
6264 * other than the revision date should be propagated, and bit 1 indicates
6265 * that the revision date should be propagated.
6267 * Returns 1 on success; returns 0 and sets errno and vaxc$errno on failure.
6269 * Copyright 1996 by Charles Bailey <bailey@newman.upenn.edu>.
6270 * Incorporates, with permission, some code from EZCOPY by Tim Adye
6271 * <T.J.Adye@rl.ac.uk>. Permission is given to distribute this code
6272 * as part of the Perl standard distribution under the terms of the
6273 * GNU General Public License or the Perl Artistic License. Copies
6274 * of each may be found in the Perl standard distribution.
6276 /*{{{int rmscopy(char *src, char *dst, int preserve_dates)*/
6278 Perl_rmscopy(pTHX_ char *spec_in, char *spec_out, int preserve_dates)
6280 char vmsin[NAM$C_MAXRSS+1], vmsout[NAM$C_MAXRSS+1], esa[NAM$C_MAXRSS],
6281 rsa[NAM$C_MAXRSS], ubf[32256];
6282 unsigned long int i, sts, sts2;
6283 struct FAB fab_in, fab_out;
6284 struct RAB rab_in, rab_out;
6286 struct XABDAT xabdat;
6287 struct XABFHC xabfhc;
6288 struct XABRDT xabrdt;
6289 struct XABSUM xabsum;
6291 if (!spec_in || !*spec_in || !do_tovmsspec(spec_in,vmsin,1) ||
6292 !spec_out || !*spec_out || !do_tovmsspec(spec_out,vmsout,1)) {
6293 set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
6297 fab_in = cc$rms_fab;
6298 fab_in.fab$l_fna = vmsin;
6299 fab_in.fab$b_fns = strlen(vmsin);
6300 fab_in.fab$b_shr = FAB$M_SHRPUT | FAB$M_UPI;
6301 fab_in.fab$b_fac = FAB$M_BIO | FAB$M_GET;
6302 fab_in.fab$l_fop = FAB$M_SQO;
6303 fab_in.fab$l_nam = &nam;
6304 fab_in.fab$l_xab = (void *) &xabdat;
6307 nam.nam$l_rsa = rsa;
6308 nam.nam$b_rss = sizeof(rsa);
6309 nam.nam$l_esa = esa;
6310 nam.nam$b_ess = sizeof (esa);
6311 nam.nam$b_esl = nam.nam$b_rsl = 0;
6313 xabdat = cc$rms_xabdat; /* To get creation date */
6314 xabdat.xab$l_nxt = (void *) &xabfhc;
6316 xabfhc = cc$rms_xabfhc; /* To get record length */
6317 xabfhc.xab$l_nxt = (void *) &xabsum;
6319 xabsum = cc$rms_xabsum; /* To get key and area information */
6321 if (!((sts = sys$open(&fab_in)) & 1)) {
6322 set_vaxc_errno(sts);
6324 case RMS$_FNF: case RMS$_DNF:
6325 set_errno(ENOENT); break;
6327 set_errno(ENOTDIR); break;
6329 set_errno(ENODEV); break;
6331 set_errno(EINVAL); break;
6333 set_errno(EACCES); break;
6341 fab_out.fab$w_ifi = 0;
6342 fab_out.fab$b_fac = FAB$M_BIO | FAB$M_PUT;
6343 fab_out.fab$b_shr = FAB$M_SHRGET | FAB$M_UPI;
6344 fab_out.fab$l_fop = FAB$M_SQO;
6345 fab_out.fab$l_fna = vmsout;
6346 fab_out.fab$b_fns = strlen(vmsout);
6347 fab_out.fab$l_dna = nam.nam$l_name;
6348 fab_out.fab$b_dns = nam.nam$l_name ? nam.nam$b_name + nam.nam$b_type : 0;
6350 if (preserve_dates == 0) { /* Act like DCL COPY */
6351 nam.nam$b_nop = NAM$M_SYNCHK;
6352 fab_out.fab$l_xab = NULL; /* Don't disturb data from input file */
6353 if (!((sts = sys$parse(&fab_out)) & 1)) {
6354 set_errno(sts == RMS$_SYN ? EINVAL : EVMSERR);
6355 set_vaxc_errno(sts);
6358 fab_out.fab$l_xab = (void *) &xabdat;
6359 if (nam.nam$l_fnb & (NAM$M_EXP_NAME | NAM$M_EXP_TYPE)) preserve_dates = 1;
6361 fab_out.fab$l_nam = (void *) 0; /* Done with NAM block */
6362 if (preserve_dates < 0) /* Clear all bits; we'll use it as a */
6363 preserve_dates =0; /* bitmask from this point forward */
6365 if (!(preserve_dates & 1)) fab_out.fab$l_xab = (void *) &xabfhc;
6366 if (!((sts = sys$create(&fab_out)) & 1)) {
6367 set_vaxc_errno(sts);
6370 set_errno(ENOENT); break;
6372 set_errno(ENOTDIR); break;
6374 set_errno(ENODEV); break;
6376 set_errno(EINVAL); break;
6378 set_errno(EACCES); break;
6384 fab_out.fab$l_fop |= FAB$M_DLT; /* in case we have to bail out */
6385 if (preserve_dates & 2) {
6386 /* sys$close() will process xabrdt, not xabdat */
6387 xabrdt = cc$rms_xabrdt;
6389 xabrdt.xab$q_rdt = xabdat.xab$q_rdt;
6391 /* gcc doesn't like the assignment, since its prototype for xab$q_rdt
6392 * is unsigned long[2], while DECC & VAXC use a struct */
6393 memcpy(xabrdt.xab$q_rdt,xabdat.xab$q_rdt,sizeof xabrdt.xab$q_rdt);
6395 fab_out.fab$l_xab = (void *) &xabrdt;
6398 rab_in = cc$rms_rab;
6399 rab_in.rab$l_fab = &fab_in;
6400 rab_in.rab$l_rop = RAB$M_BIO;
6401 rab_in.rab$l_ubf = ubf;
6402 rab_in.rab$w_usz = sizeof ubf;
6403 if (!((sts = sys$connect(&rab_in)) & 1)) {
6404 sys$close(&fab_in); sys$close(&fab_out);
6405 set_errno(EVMSERR); set_vaxc_errno(sts);
6409 rab_out = cc$rms_rab;
6410 rab_out.rab$l_fab = &fab_out;
6411 rab_out.rab$l_rbf = ubf;
6412 if (!((sts = sys$connect(&rab_out)) & 1)) {
6413 sys$close(&fab_in); sys$close(&fab_out);
6414 set_errno(EVMSERR); set_vaxc_errno(sts);
6418 while ((sts = sys$read(&rab_in))) { /* always true */
6419 if (sts == RMS$_EOF) break;
6420 rab_out.rab$w_rsz = rab_in.rab$w_rsz;
6421 if (!(sts & 1) || !((sts = sys$write(&rab_out)) & 1)) {
6422 sys$close(&fab_in); sys$close(&fab_out);
6423 set_errno(EVMSERR); set_vaxc_errno(sts);
6428 fab_out.fab$l_fop &= ~FAB$M_DLT; /* We got this far; keep the output */
6429 sys$close(&fab_in); sys$close(&fab_out);
6430 sts = (fab_in.fab$l_sts & 1) ? fab_out.fab$l_sts : fab_in.fab$l_sts;
6432 set_errno(EVMSERR); set_vaxc_errno(sts);
6438 } /* end of rmscopy() */
6442 /*** The following glue provides 'hooks' to make some of the routines
6443 * from this file available from Perl. These routines are sufficiently
6444 * basic, and are required sufficiently early in the build process,
6445 * that's it's nice to have them available to miniperl as well as the
6446 * full Perl, so they're set up here instead of in an extension. The
6447 * Perl code which handles importation of these names into a given
6448 * package lives in [.VMS]Filespec.pm in @INC.
6452 rmsexpand_fromperl(pTHX_ CV *cv)
6455 char *fspec, *defspec = NULL, *rslt;
6458 if (!items || items > 2)
6459 Perl_croak(aTHX_ "Usage: VMS::Filespec::rmsexpand(spec[,defspec])");
6460 fspec = SvPV(ST(0),n_a);
6461 if (!fspec || !*fspec) XSRETURN_UNDEF;
6462 if (items == 2) defspec = SvPV(ST(1),n_a);
6464 rslt = do_rmsexpand(fspec,NULL,1,defspec,0);
6465 ST(0) = sv_newmortal();
6466 if (rslt != NULL) sv_usepvn(ST(0),rslt,strlen(rslt));
6471 vmsify_fromperl(pTHX_ CV *cv)
6477 if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::vmsify(spec)");
6478 vmsified = do_tovmsspec(SvPV(ST(0),n_a),NULL,1);
6479 ST(0) = sv_newmortal();
6480 if (vmsified != NULL) sv_usepvn(ST(0),vmsified,strlen(vmsified));
6485 unixify_fromperl(pTHX_ CV *cv)
6491 if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::unixify(spec)");
6492 unixified = do_tounixspec(SvPV(ST(0),n_a),NULL,1);
6493 ST(0) = sv_newmortal();
6494 if (unixified != NULL) sv_usepvn(ST(0),unixified,strlen(unixified));
6499 fileify_fromperl(pTHX_ CV *cv)
6505 if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::fileify(spec)");
6506 fileified = do_fileify_dirspec(SvPV(ST(0),n_a),NULL,1);
6507 ST(0) = sv_newmortal();
6508 if (fileified != NULL) sv_usepvn(ST(0),fileified,strlen(fileified));
6513 pathify_fromperl(pTHX_ CV *cv)
6519 if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::pathify(spec)");
6520 pathified = do_pathify_dirspec(SvPV(ST(0),n_a),NULL,1);
6521 ST(0) = sv_newmortal();
6522 if (pathified != NULL) sv_usepvn(ST(0),pathified,strlen(pathified));
6527 vmspath_fromperl(pTHX_ CV *cv)
6533 if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::vmspath(spec)");
6534 vmspath = do_tovmspath(SvPV(ST(0),n_a),NULL,1);
6535 ST(0) = sv_newmortal();
6536 if (vmspath != NULL) sv_usepvn(ST(0),vmspath,strlen(vmspath));
6541 unixpath_fromperl(pTHX_ CV *cv)
6547 if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::unixpath(spec)");
6548 unixpath = do_tounixpath(SvPV(ST(0),n_a),NULL,1);
6549 ST(0) = sv_newmortal();
6550 if (unixpath != NULL) sv_usepvn(ST(0),unixpath,strlen(unixpath));
6555 candelete_fromperl(pTHX_ CV *cv)
6558 char fspec[NAM$C_MAXRSS+1], *fsp;
6563 if (items != 1) Perl_croak(aTHX_ "Usage: VMS::Filespec::candelete(spec)");
6565 mysv = SvROK(ST(0)) ? SvRV(ST(0)) : ST(0);
6566 if (SvTYPE(mysv) == SVt_PVGV) {
6567 if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),fspec,1)) {
6568 set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
6575 if (mysv != ST(0) || !(fsp = SvPV(mysv,n_a)) || !*fsp) {
6576 set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
6582 ST(0) = boolSV(cando_by_name(S_IDUSR,0,fsp));
6587 rmscopy_fromperl(pTHX_ CV *cv)
6590 char inspec[NAM$C_MAXRSS+1], outspec[NAM$C_MAXRSS+1], *inp, *outp;
6592 struct dsc$descriptor indsc = { 0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0},
6593 outdsc = { 0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
6594 unsigned long int sts;
6599 if (items < 2 || items > 3)
6600 Perl_croak(aTHX_ "Usage: File::Copy::rmscopy(from,to[,date_flag])");
6602 mysv = SvROK(ST(0)) ? SvRV(ST(0)) : ST(0);
6603 if (SvTYPE(mysv) == SVt_PVGV) {
6604 if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),inspec,1)) {
6605 set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
6612 if (mysv != ST(0) || !(inp = SvPV(mysv,n_a)) || !*inp) {
6613 set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
6618 mysv = SvROK(ST(1)) ? SvRV(ST(1)) : ST(1);
6619 if (SvTYPE(mysv) == SVt_PVGV) {
6620 if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),outspec,1)) {
6621 set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
6628 if (mysv != ST(1) || !(outp = SvPV(mysv,n_a)) || !*outp) {
6629 set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
6634 date_flag = (items == 3) ? SvIV(ST(2)) : 0;
6636 ST(0) = boolSV(rmscopy(inp,outp,date_flag));
6645 char ultimate_name[NAM$C_MAXRSS+1], work_name[NAM$C_MAXRSS*8 + 1],
6646 workbuff[NAM$C_MAXRSS*1 + 1];
6647 int total_namelen = 3, counter, num_entries;
6648 /* ODS-5 ups this, but we want to be consistent, so... */
6649 int max_name_len = 39;
6650 AV *in_array = (AV *)SvRV(ST(0));
6652 num_entries = av_len(in_array);
6654 /* All the names start with PL_. */
6655 strcpy(ultimate_name, "PL_");
6657 /* Clean up our working buffer */
6658 Zero(work_name, sizeof(work_name), char);
6660 /* Run through the entries and build up a working name */
6661 for(counter = 0; counter <= num_entries; counter++) {
6662 /* If it's not the first name then tack on a __ */
6664 strcat(work_name, "__");
6666 strcat(work_name, SvPV(*av_fetch(in_array, counter, FALSE),
6670 /* Check to see if we actually have to bother...*/
6671 if (strlen(work_name) + 3 <= max_name_len) {
6672 strcat(ultimate_name, work_name);
6674 /* It's too darned big, so we need to go strip. We use the same */
6675 /* algorithm as xsubpp does. First, strip out doubled __ */
6676 char *source, *dest, last;
6679 for (source = work_name; *source; source++) {
6680 if (last == *source && last == '_') {
6686 /* Go put it back */
6687 strcpy(work_name, workbuff);
6688 /* Is it still too big? */
6689 if (strlen(work_name) + 3 > max_name_len) {
6690 /* Strip duplicate letters */
6693 for (source = work_name; *source; source++) {
6694 if (last == toupper(*source)) {
6698 last = toupper(*source);
6700 strcpy(work_name, workbuff);
6703 /* Is it *still* too big? */
6704 if (strlen(work_name) + 3 > max_name_len) {
6705 /* Too bad, we truncate */
6706 work_name[max_name_len - 2] = 0;
6708 strcat(ultimate_name, work_name);
6711 /* Okay, return it */
6712 ST(0) = sv_2mortal(newSVpv(ultimate_name, 0));
6719 char* file = __FILE__;
6721 char temp_buff[512];
6722 if (my_trnlnm("DECC$DISABLE_TO_VMS_LOGNAME_TRANSLATION", temp_buff, 0)) {
6723 no_translate_barewords = TRUE;
6725 no_translate_barewords = FALSE;
6728 newXSproto("VMS::Filespec::rmsexpand",rmsexpand_fromperl,file,"$;$");
6729 newXSproto("VMS::Filespec::vmsify",vmsify_fromperl,file,"$");
6730 newXSproto("VMS::Filespec::unixify",unixify_fromperl,file,"$");
6731 newXSproto("VMS::Filespec::pathify",pathify_fromperl,file,"$");
6732 newXSproto("VMS::Filespec::fileify",fileify_fromperl,file,"$");
6733 newXSproto("VMS::Filespec::vmspath",vmspath_fromperl,file,"$");
6734 newXSproto("VMS::Filespec::unixpath",unixpath_fromperl,file,"$");
6735 newXSproto("VMS::Filespec::candelete",candelete_fromperl,file,"$");
6736 newXSproto("DynaLoader::mod2fname", mod2fname, file, "$");
6737 newXS("File::Copy::rmscopy",rmscopy_fromperl,file);