*
* VMS-specific routines for perl5
*
- * Last revised: 18-Jul-1996 by Charles Bailey bailey@genetics.upenn.edu
- * Version: 5.3.1
+ * Last revised: 24-Apr-1999 by Charles Bailey bailey@newman.upenn.edu
+ * Version: 5.5.58
*/
#include <acedef.h>
#include <armdef.h>
#include <atrdef.h>
#include <chpdef.h>
+#include <clidef.h>
#include <climsgdef.h>
#include <descrip.h>
#include <dvidef.h>
#include <fscndef.h>
#include <iodef.h>
#include <jpidef.h>
+#include <kgbdef.h>
+#include <libclidef.h>
#include <libdef.h>
#include <lib$routines.h>
#include <lnmdef.h>
#include <shrdef.h>
#include <ssdef.h>
#include <starlet.h>
-#include <stsdef.h>
+#include <strdef.h>
+#include <str$routines.h>
#include <syidef.h>
#include <uaidef.h>
#include <uicdef.h>
# define SS$_NOSUCHOBJECT 2696
#endif
-/* Don't intercept calls to vfork, since my_vfork below needs to
- * get to the underlying CRTL routine. */
-#define __DONT_MASK_VFORK
+/* Don't replace system definitions of vfork, getenv, and stat,
+ * code below needs to get to the underlying CRTL routines. */
+#define DONT_MASK_RTL_CALLS
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
+/* Anticipating future expansion in lexical warnings . . . */
+#ifndef WARN_INTERNAL
+# define WARN_INTERNAL WARN_MISC
+#endif
/* gcc's header files don't #define direct access macros
* corresponding to VAXC's variant structs */
return str;
}
+static struct dsc$descriptor_s fildevdsc =
+ { 12, DSC$K_DTYPE_T, DSC$K_CLASS_S, "LNM$FILE_DEV" };
+static struct dsc$descriptor_s crtlenvdsc =
+ { 8, DSC$K_DTYPE_T, DSC$K_CLASS_S, "CRTL_ENV" };
+static struct dsc$descriptor_s *fildev[] = { &fildevdsc, NULL };
+static struct dsc$descriptor_s *defenv[] = { &fildevdsc, &crtlenvdsc, NULL };
+static struct dsc$descriptor_s **env_tables = defenv;
+static bool will_taint = FALSE; /* tainting active, but no PL_curinterp yet */
+
+/*{{{int vmstrnenv(const char *lnm, char *eqv, unsigned long int idx, struct dsc$descriptor_s **tabvec, unsigned long int flags) */
int
-my_trnlnm(char *lnm, char *eqv, unsigned long int idx)
+vmstrnenv(const char *lnm, char *eqv, unsigned long int idx,
+ struct dsc$descriptor_s **tabvec, unsigned long int flags)
{
- static char __my_trnlnm_eqv[LNM$C_NAMLENGTH+1];
- unsigned short int eqvlen;
+ char uplnm[LNM$C_NAMLENGTH], *cp1, *cp2;
+ unsigned short int eqvlen, curtab, ivlnm = 0, ivsym = 0, ivenv = 0, secure;
unsigned long int retsts, attr = LNM$M_CASE_BLIND;
- $DESCRIPTOR(tabdsc,"LNM$FILE_DEV");
- struct dsc$descriptor_s lnmdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0};
- struct itmlst_3 lnmlst[3] = {{sizeof idx, LNM$_INDEX, &idx, 0},
- {LNM$C_NAMLENGTH, LNM$_STRING, 0, &eqvlen},
+ unsigned char acmode;
+ struct dsc$descriptor_s lnmdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0},
+ tmpdsc = {6,DSC$K_DTYPE_T,DSC$K_CLASS_S,0};
+ struct itmlst_3 lnmlst[3] = {{sizeof idx, LNM$_INDEX, &idx, 0},
+ {LNM$C_NAMLENGTH, LNM$_STRING, eqv, &eqvlen},
{0, 0, 0, 0}};
+ $DESCRIPTOR(crtlenv,"CRTL_ENV"); $DESCRIPTOR(clisym,"CLISYM");
- if (!lnm || idx > LNM$_MAX_INDEX) {
+ if (!lnm || !eqv || idx > LNM$_MAX_INDEX) {
set_errno(EINVAL); set_vaxc_errno(SS$_BADPARAM); return 0;
}
- if (!eqv) eqv = __my_trnlnm_eqv;
- lnmlst[1].bufadr = (void *)eqv;
- lnmdsc.dsc$a_pointer = lnm;
- lnmdsc.dsc$w_length = strlen(lnm);
- retsts = sys$trnlnm(&attr,&tabdsc,&lnmdsc,0,lnmlst);
- if (retsts == SS$_NOLOGNAM || retsts == SS$_IVLOGNAM) {
- set_vaxc_errno(retsts); set_errno(EINVAL); return 0;
+ for (cp1 = (char *)lnm, cp2 = uplnm; *cp1; cp1++, cp2++) {
+ *cp2 = _toupper(*cp1);
+ if (cp1 - lnm > LNM$C_NAMLENGTH) {
+ set_errno(EINVAL); set_vaxc_errno(SS$_IVLOGNAM);
+ return 0;
+ }
+ }
+ lnmdsc.dsc$w_length = cp1 - lnm;
+ lnmdsc.dsc$a_pointer = uplnm;
+ secure = flags & PERL__TRNENV_SECURE;
+ acmode = secure ? PSL$C_EXEC : PSL$C_USER;
+ if (!tabvec || !*tabvec) tabvec = env_tables;
+
+ for (curtab = 0; tabvec[curtab]; curtab++) {
+ if (!str$case_blind_compare(tabvec[curtab],&crtlenv)) {
+ if (!ivenv && !secure) {
+ char *eq, *end;
+ int i;
+ if (!environ) {
+ ivenv = 1;
+ warn("Can't read CRTL environ\n");
+ continue;
+ }
+ retsts = SS$_NOLOGNAM;
+ for (i = 0; environ[i]; i++) {
+ if ((eq = strchr(environ[i],'=')) &&
+ !strncmp(environ[i],uplnm,eq - environ[i])) {
+ eq++;
+ for (eqvlen = 0; eq[eqvlen]; eqvlen++) eqv[eqvlen] = eq[eqvlen];
+ if (!eqvlen) continue;
+ retsts = SS$_NORMAL;
+ break;
+ }
+ }
+ if (retsts != SS$_NOLOGNAM) break;
+ }
+ }
+ else if ((tmpdsc.dsc$a_pointer = tabvec[curtab]->dsc$a_pointer) &&
+ !str$case_blind_compare(&tmpdsc,&clisym)) {
+ if (!ivsym && !secure) {
+ unsigned short int deflen = LNM$C_NAMLENGTH;
+ struct dsc$descriptor_d eqvdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_D,0};
+ /* dynamic dsc to accomodate possible long value */
+ _ckvmssts(lib$sget1_dd(&deflen,&eqvdsc));
+ retsts = lib$get_symbol(&lnmdsc,&eqvdsc,&eqvlen,0);
+ if (retsts & 1) {
+ if (eqvlen > 1024) {
+ set_errno(EVMSERR); set_vaxc_errno(LIB$_STRTRU);
+ eqvlen = 1024;
+ if (ckWARN(WARN_MISC))
+ warner(WARN_MISC,"Value of CLI symbol \"%s\" too long",lnm);
+ }
+ strncpy(eqv,eqvdsc.dsc$a_pointer,eqvlen);
+ }
+ _ckvmssts(lib$sfree1_dd(&eqvdsc));
+ if (retsts == LIB$_INVSYMNAM) { ivsym = 1; continue; }
+ if (retsts == LIB$_NOSUCHSYM) continue;
+ break;
+ }
+ }
+ else if (!ivlnm) {
+ retsts = sys$trnlnm(&attr,tabvec[curtab],&lnmdsc,&acmode,lnmlst);
+ if (retsts == SS$_IVLOGNAM) { ivlnm = 1; continue; }
+ if (retsts == SS$_NOLOGNAM) continue;
+ break;
+ }
}
- else if (retsts & 1) {
- eqv[eqvlen] = '\0';
- return eqvlen;
+ if (retsts & 1) { eqv[eqvlen] = '\0'; return eqvlen; }
+ else if (retsts == LIB$_NOSUCHSYM || retsts == LIB$_INVSYMNAM ||
+ retsts == SS$_IVLOGNAM || retsts == SS$_IVLOGTAB ||
+ retsts == SS$_NOLOGNAM) {
+ set_errno(EINVAL); set_vaxc_errno(retsts);
}
- _ckvmssts(retsts); /* Must be an error */
- return 0; /* Not reached, assuming _ckvmssts() bails out */
+ else _ckvmssts(retsts);
+ return 0;
+} /* end of vmstrnenv */
+/*}}}*/
-} /* end of my_trnlnm */
+
+/*{{{ int my_trnlnm(const char *lnm, char *eqv, unsigned long int idx)*/
+/* Define as a function so we can access statics. */
+int my_trnlnm(const char *lnm, char *eqv, unsigned long int idx)
+{
+ return vmstrnenv(lnm,eqv,idx,fildev,
+#ifdef SECURE_INTERNAL_GETENV
+ (PL_curinterp ? PL_tainting : will_taint) ? PERL__TRNENV_SECURE : 0
+#else
+ 0
+#endif
+ );
+}
+/*}}}*/
/* my_getenv
- * Translate a logical name. Substitute for CRTL getenv() to avoid
- * memory leak, and to keep my_getenv() and my_setenv() in the same
- * domain (mostly - my_getenv() need not return a translation from
- * the process logical name table)
- *
- * Note: Uses static buffer -- not thread-safe!
+ * Note: Uses Perl temp to store result so char * can be returned to
+ * caller; this pointer will be invalidated at next Perl statement
+ * transition.
+ * We define this as a function rather than a macro in terms of my_getenv_sv()
+ * so that it'll work when PL_curinterp is undefined (and we therefore can't
+ * allocate SVs).
*/
-/*{{{ char *my_getenv(char *lnm)*/
+/*{{{ char *my_getenv(const char *lnm, bool sys)*/
char *
-my_getenv(char *lnm)
+my_getenv(const char *lnm, bool sys)
{
static char __my_getenv_eqv[LNM$C_NAMLENGTH+1];
- char uplnm[LNM$C_NAMLENGTH], *cp1, *cp2;
+ char uplnm[LNM$C_NAMLENGTH+1], *cp1, *cp2, *eqv;
unsigned long int idx = 0;
-
- for (cp1 = lnm, cp2= uplnm; *cp1; cp1++, cp2++) *cp2 = _toupper(*cp1);
- *cp2 = '\0';
- if (cp1 - lnm == 7 && !strncmp(uplnm,"DEFAULT",7)) {
- getcwd(__my_getenv_eqv,sizeof __my_getenv_eqv);
- return __my_getenv_eqv;
+ int trnsuccess;
+ SV *tmpsv;
+
+ if (PL_curinterp) { /* Perl interpreter running -- may be threaded */
+ /* Set up a temporary buffer for the return value; Perl will
+ * clean it up at the next statement transition */
+ tmpsv = sv_2mortal(newSVpv("",LNM$C_NAMLENGTH+1));
+ if (!tmpsv) return NULL;
+ eqv = SvPVX(tmpsv);
+ }
+ else eqv = __my_getenv_eqv; /* Assume no interpreter ==> single thread */
+ for (cp1 = (char *) lnm, cp2 = eqv; *cp1; cp1++,cp2++) *cp2 = _toupper(*cp1);
+ if (cp1 - lnm == 7 && !strncmp(eqv,"DEFAULT",7)) {
+ getcwd(eqv,LNM$C_NAMLENGTH);
+ return eqv;
}
else {
- if ((cp2 = strchr(uplnm,';')) != NULL) {
- *cp2 = '\0';
+ if ((cp2 = strchr(lnm,';')) != NULL) {
+ strcpy(uplnm,lnm);
+ uplnm[cp2-lnm] = '\0';
idx = strtoul(cp2+1,NULL,0);
+ lnm = uplnm;
}
- if (my_trnlnm(uplnm,__my_getenv_eqv,idx)) {
- return __my_getenv_eqv;
- }
- else {
- unsigned long int retsts;
- struct dsc$descriptor_s symdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0},
- valdsc = {sizeof __my_getenv_eqv,DSC$K_DTYPE_T,
- DSC$K_CLASS_S, __my_getenv_eqv};
- symdsc.dsc$w_length = cp1 - lnm;
- symdsc.dsc$a_pointer = uplnm;
- retsts = lib$get_symbol(&symdsc,&valdsc,&(valdsc.dsc$w_length),0);
- if (retsts == LIB$_INVSYMNAM) return Nullch;
- if (retsts != LIB$_NOSUCHSYM) {
- /* We want to return only logical names or CRTL Unix emulations */
- if (retsts & 1) return Nullch;
- _ckvmssts(retsts);
- }
- /* Try for CRTL emulation of a Unix/POSIX name */
- else return getenv(uplnm);
- }
+ if (vmstrnenv(lnm,eqv,idx,
+ sys ? fildev : NULL,
+#ifdef SECURE_INTERNAL_GETENV
+ sys ? PERL__TRNENV_SECURE : 0
+#else
+ 0
+#endif
+ )) return eqv;
+ else return Nullch;
}
- return Nullch;
} /* end of my_getenv() */
/*}}}*/
+
+/*{{{ SV *my_getenv_sv(const char *lnm, bool sys)*/
+SV *
+my_getenv_sv(const char *lnm, bool sys)
+{
+ char buf[LNM$C_NAMLENGTH+1], *cp1, *cp2;
+ unsigned long int len, idx = 0;
+
+ for (cp1 = (char *)lnm, cp2 = buf; *cp1; cp1++,cp2++) *cp2 = _toupper(*cp1);
+ if (cp1 - lnm == 7 && !strncmp(buf,"DEFAULT",7)) {
+ getcwd(buf,LNM$C_NAMLENGTH);
+ return newSVpv(buf,0);
+ }
+ else {
+ if ((cp2 = strchr(lnm,';')) != NULL) {
+ strcpy(buf,lnm);
+ buf[cp2-lnm] = '\0';
+ idx = strtoul(cp2+1,NULL,0);
+ lnm = buf;
+ }
+ if ((len = vmstrnenv(lnm,buf,idx,
+ sys ? fildev : NULL,
+#ifdef SECURE_INTERNAL_GETENV
+ sys ? PERL__TRNENV_SECURE : 0
+#else
+ 0
+#endif
+ ))) return newSVpv(buf,len);
+ else return &PL_sv_undef;
+ }
+
+} /* end of my_getenv_sv() */
+/*}}}*/
+
+static void create_mbx(unsigned short int *, struct dsc$descriptor_s *);
+
+static void riseandshine(unsigned long int dummy) { sys$wake(0,0); }
+
/*{{{ void prime_env_iter() */
void
prime_env_iter(void)
* find, in preparation for iterating over it.
*/
{
- static int primed = 0; /* XXX Not thread-safe!!! */
- HV *envhv = GvHVn(envgv);
- FILE *sholog;
- char eqv[LNM$C_NAMLENGTH+1],*start,*end;
- STRLEN eqvlen;
- SV *oldrs, *linesv, *eqvsv;
+ dTHR;
+ static int primed = 0;
+ HV *seenhv = NULL, *envhv;
+ char cmd[LNM$C_NAMLENGTH+24], mbxnam[LNM$C_NAMLENGTH], *buf = Nullch;
+ unsigned short int chan;
+#ifndef CLI$M_TRUSTED
+# define CLI$M_TRUSTED 0x40 /* Missing from VAXC headers */
+#endif
+ unsigned long int defflags = CLI$M_NOWAIT | CLI$M_NOKEYPAD | CLI$M_TRUSTED;
+ unsigned long int mbxbufsiz, flags, retsts, subpid = 0, substs = 0, wakect = 0;
+ long int i;
+ bool have_sym = FALSE, have_lnm = FALSE;
+ struct dsc$descriptor_s tmpdsc = {6,DSC$K_DTYPE_T,DSC$K_CLASS_S,0};
+ $DESCRIPTOR(cmddsc,cmd); $DESCRIPTOR(nldsc,"_NLA0:");
+ $DESCRIPTOR(clidsc,"DCL"); $DESCRIPTOR(clitabdsc,"DCLTABLES");
+ $DESCRIPTOR(crtlenv,"CRTL_ENV"); $DESCRIPTOR(clisym,"CLISYM");
+ $DESCRIPTOR(local,"_LOCAL"); $DESCRIPTOR(mbxdsc,mbxnam);
+#ifdef USE_THREADS
+ static perl_mutex primenv_mutex;
+ MUTEX_INIT(&primenv_mutex);
+#endif
- if (primed) return;
+ if (primed || !PL_envgv) return;
+ MUTEX_LOCK(&primenv_mutex);
+ if (primed) { MUTEX_UNLOCK(&primenv_mutex); return; }
+ envhv = GvHVn(PL_envgv);
/* Perform a dummy fetch as an lval to insure that the hash table is
- * set up. Otherwise, the hv_store() will turn into a nullop */
+ * set up. Otherwise, the hv_store() will turn into a nullop. */
(void) hv_fetch(envhv,"DEFAULT",7,TRUE);
- /* Also, set up the four "special" keys that the CRTL defines,
- * whether or not underlying logical names exist. */
- (void) hv_fetch(envhv,"HOME",4,TRUE);
- (void) hv_fetch(envhv,"TERM",4,TRUE);
- (void) hv_fetch(envhv,"PATH",4,TRUE);
- (void) hv_fetch(envhv,"USER",4,TRUE);
-
- /* Now, go get the logical names */
- if ((sholog = my_popen("$ Show Logical *","r")) == Nullfp)
- _ckvmssts(vaxc$errno);
- /* We use Perl's sv_gets to read from the pipe, since my_popen is
- * tied to Perl's I/O layer, so it may not return a simple FILE * */
- oldrs = rs;
- rs = newSVpv("\n",1);
- linesv = newSVpv("",0);
- while (1) {
- if ((start = sv_gets(linesv,sholog,0)) == Nullch) {
- my_pclose(sholog);
- SvREFCNT_dec(linesv); SvREFCNT_dec(rs); rs = oldrs;
- primed = 1;
- return;
+
+ for (i = 0; env_tables[i]; i++) {
+ if (!have_sym && (tmpdsc.dsc$a_pointer = env_tables[i]->dsc$a_pointer) &&
+ !str$case_blind_compare(&tmpdsc,&clisym)) have_sym = 1;
+ if (!have_lnm && !str$case_blind_compare(env_tables[i],&crtlenv)) have_lnm = 1;
+ }
+ if (have_sym || have_lnm) {
+ long int syiitm = SYI$_MAXBUF, dviitm = DVI$_DEVNAM;
+ _ckvmssts(lib$getsyi(&syiitm, &mbxbufsiz, 0, 0, 0, 0));
+ _ckvmssts(sys$crembx(0,&chan,mbxbufsiz,mbxbufsiz,0xff0f,0,0));
+ _ckvmssts(lib$getdvi(&dviitm, &chan, NULL, NULL, &mbxdsc, &mbxdsc.dsc$w_length));
+ }
+
+ for (i--; i >= 0; i--) {
+ if (!str$case_blind_compare(env_tables[i],&crtlenv)) {
+ char *start;
+ int j;
+ for (j = 0; environ[j]; j++) {
+ if (!(start = strchr(environ[j],'='))) {
+ if (ckWARN(WARN_INTERNAL))
+ warner(WARN_INTERNAL,"Ill-formed CRTL environ value \"%s\"\n",environ[j]);
+ }
+ else {
+ start++;
+ (void) hv_store(envhv,environ[j],start - environ[j] - 1,
+ newSVpv(start,0),0);
+ }
+ }
+ continue;
+ }
+ else if ((tmpdsc.dsc$a_pointer = env_tables[i]->dsc$a_pointer) &&
+ !str$case_blind_compare(&tmpdsc,&clisym)) {
+ strcpy(cmd,"Show Symbol/Global *");
+ cmddsc.dsc$w_length = 20;
+ if (env_tables[i]->dsc$w_length == 12 &&
+ (tmpdsc.dsc$a_pointer = env_tables[i]->dsc$a_pointer + 6) &&
+ !str$case_blind_compare(&tmpdsc,&local)) strcpy(cmd+12,"Local *");
+ flags = defflags | CLI$M_NOLOGNAM;
}
- while (*start != '"' && *start != '=' && *start) start++;
- if (*start != '"') continue;
- for (end = ++start; *end && *end != '"'; end++) ;
- if (*end) *end = '\0';
- else end = Nullch;
- if ((eqvlen = my_trnlnm(start,eqv,0)) == 0) _ckvmssts(vaxc$errno);
else {
- eqvsv = newSVpv(eqv,eqvlen);
- hv_store(envhv,start,(end ? end - start : strlen(start)),eqvsv,0);
+ strcpy(cmd,"Show Logical *");
+ if (str$case_blind_compare(env_tables[i],&fildevdsc)) {
+ strcat(cmd," /Table=");
+ strncat(cmd,env_tables[i]->dsc$a_pointer,env_tables[i]->dsc$w_length);
+ cmddsc.dsc$w_length = strlen(cmd);
+ }
+ else cmddsc.dsc$w_length = 14; /* N.B. We test this below */
+ flags = defflags | CLI$M_NOCLISYM;
+ }
+
+ /* Create a new subprocess to execute each command, to exclude the
+ * remote possibility that someone could subvert a mbx or file used
+ * to write multiple commands to a single subprocess.
+ */
+ do {
+ retsts = lib$spawn(&cmddsc,&nldsc,&mbxdsc,&flags,0,&subpid,&substs,
+ 0,&riseandshine,0,0,&clidsc,&clitabdsc);
+ flags &= ~CLI$M_TRUSTED; /* Just in case we hit a really old version */
+ defflags &= ~CLI$M_TRUSTED;
+ } while (retsts == LIB$_INVARG && (flags | CLI$M_TRUSTED));
+ _ckvmssts(retsts);
+ if (!buf) New(1322,buf,mbxbufsiz + 1,char);
+ if (seenhv) SvREFCNT_dec(seenhv);
+ seenhv = newHV();
+ while (1) {
+ char *cp1, *cp2, *key;
+ unsigned long int sts, iosb[2], retlen, keylen;
+ register U32 hash;
+
+ sts = sys$qiow(0,chan,IO$_READVBLK,iosb,0,0,buf,mbxbufsiz,0,0,0,0);
+ if (sts & 1) sts = iosb[0] & 0xffff;
+ if (sts == SS$_ENDOFFILE) {
+ int wakect = 0;
+ while (substs == 0) { sys$hiber(); wakect++;}
+ if (wakect > 1) sys$wake(0,0); /* Stole someone else's wake */
+ _ckvmssts(substs);
+ break;
+ }
+ _ckvmssts(sts);
+ retlen = iosb[0] >> 16;
+ if (!retlen) continue; /* blank line */
+ buf[retlen] = '\0';
+ if (iosb[1] != subpid) {
+ if (iosb[1]) {
+ croak("Unknown process %x sent message to prime_env_iter: %s",buf);
+ }
+ continue;
+ }
+ if (sts == SS$_BUFFEROVF && ckWARN(WARN_INTERNAL))
+ warner(WARN_INTERNAL,"Buffer overflow in prime_env_iter: %s",buf);
+
+ for (cp1 = buf; *cp1 && isspace(*cp1); cp1++) ;
+ if (*cp1 == '(' || /* Logical name table name */
+ *cp1 == '=' /* Next eqv of searchlist */) continue;
+ if (*cp1 == '"') cp1++;
+ for (cp2 = cp1; *cp2 && *cp2 != '"' && *cp2 != ' '; cp2++) ;
+ key = cp1; keylen = cp2 - cp1;
+ if (keylen && hv_exists(seenhv,key,keylen)) continue;
+ while (*cp2 && *cp2 != '=') cp2++;
+ while (*cp2 && *cp2 != '"') cp2++;
+ for (cp1 = buf + retlen; *cp1 != '"'; cp1--) ;
+ if ((!keylen || (cp1 - cp2 <= 0)) && ckWARN(WARN_INTERNAL)) {
+ warner(WARN_INTERNAL,"Ill-formed message in prime_env_iter: |%s|",buf);
+ continue;
+ }
+ /* Skip "" surrounding translation */
+ PERL_HASH(hash,key,keylen);
+ hv_store(envhv,key,keylen,newSVpv(cp2+1,cp1 - cp2 - 1),hash);
+ hv_store(seenhv,key,keylen,&PL_sv_yes,hash);
+ }
+ if (cmddsc.dsc$w_length == 14) { /* We just read LNM$FILE_DEV */
+ /* get the PPFs for this process, not the subprocess */
+ char *ppfs[] = {"SYS$COMMAND", "SYS$INPUT", "SYS$OUTPUT", "SYS$ERROR", NULL};
+ char eqv[LNM$C_NAMLENGTH+1];
+ int trnlen, i;
+ for (i = 0; ppfs[i]; i++) {
+ trnlen = vmstrnenv(ppfs[i],eqv,0,fildev,0);
+ hv_store(envhv,ppfs[i],strlen(ppfs[i]),newSVpv(eqv,trnlen),0);
+ }
}
}
+ primed = 1;
+ if (have_sym || have_lnm) _ckvmssts(sys$dassgn(chan));
+ if (buf) Safefree(buf);
+ if (seenhv) SvREFCNT_dec(seenhv);
+ MUTEX_UNLOCK(&primenv_mutex);
+ return;
+
} /* end of prime_env_iter */
/*}}}*/
-
-/*{{{ void my_setenv(char *lnm, char *eqv)*/
-void
-my_setenv(char *lnm,char *eqv)
-/* Define a supervisor-mode logical name in the process table.
- * In the future we'll add tables, attribs, and acmodes,
- * probably through a different call.
+
+/*{{{ int vmssetenv(char *lnm, char *eqv)*/
+/* Define or delete an element in the same "environment" as
+ * vmstrnenv(). If an element is to be deleted, it's removed from
+ * the first place it's found. If it's to be set, it's set in the
+ * place designated by the first element of the table vector.
+ * Like setenv() returns 0 for success, non-zero on error.
*/
+int
+vmssetenv(char *lnm, char *eqv, struct dsc$descriptor_s **tabvec)
{
char uplnm[LNM$C_NAMLENGTH], *cp1, *cp2;
+ unsigned short int curtab, ivlnm = 0, ivsym = 0, ivenv = 0;
unsigned long int retsts, usermode = PSL$C_USER;
- $DESCRIPTOR(tabdsc,"LNM$PROCESS");
struct dsc$descriptor_s lnmdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,uplnm},
- eqvdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0};
-
- for(cp1 = lnm, cp2 = uplnm; *cp1; cp1++, cp2++) *cp2 = _toupper(*cp1);
+ eqvdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0},
+ tmpdsc = {6,DSC$K_DTYPE_T,DSC$K_CLASS_S,0};
+ $DESCRIPTOR(crtlenv,"CRTL_ENV"); $DESCRIPTOR(clisym,"CLISYM");
+ $DESCRIPTOR(local,"_LOCAL");
+
+ for (cp1 = lnm, cp2 = uplnm; *cp1; cp1++, cp2++) {
+ *cp2 = _toupper(*cp1);
+ if (cp1 - lnm > LNM$C_NAMLENGTH) {
+ set_errno(EINVAL); set_vaxc_errno(SS$_IVLOGNAM);
+ return SS$_IVLOGNAM;
+ }
+ }
lnmdsc.dsc$w_length = cp1 - lnm;
-
- if (!eqv || !*eqv) { /* we're deleting a logical name */
- retsts = sys$dellnm(&tabdsc,&lnmdsc,&usermode); /* try user mode first */
- if (retsts == SS$_IVLOGNAM) return;
- if (retsts != SS$_NOLOGNAM) _ckvmssts(retsts);
- if (!(retsts & 1)) {
- retsts = lib$delete_logical(&lnmdsc,&tabdsc); /* then supervisor mode */
- if (retsts != SS$_NOLOGNAM) _ckvmssts(retsts);
+ if (!tabvec || !*tabvec) tabvec = env_tables;
+
+ if (!eqv) { /* we're deleting n element */
+ for (curtab = 0; tabvec[curtab]; curtab++) {
+ if (!ivenv && !str$case_blind_compare(tabvec[curtab],&crtlenv)) {
+ int i;
+ for (i = 0; environ[i]; i++) { /* Iff it's an environ elt, reset */
+ if ((cp1 = strchr(environ[i],'=')) &&
+ !strncmp(environ[i],lnm,cp1 - environ[i])) {
+#ifdef HAS_SETENV
+ return setenv(lnm,eqv,1) ? vaxc$errno : 0;
+ }
+ }
+ ivenv = 1; retsts = SS$_NOLOGNAM;
+#else
+ if (ckWARN(WARN_INTERNAL))
+ warner(WARN_INTERNAL,"This Perl can't reset CRTL environ elements (%s)",lnm);
+ ivenv = 1; retsts = SS$_NOSUCHPGM;
+ break;
+ }
+ }
+#endif
+ }
+ else if ((tmpdsc.dsc$a_pointer = tabvec[curtab]->dsc$a_pointer) &&
+ !str$case_blind_compare(&tmpdsc,&clisym)) {
+ unsigned int symtype;
+ if (tabvec[curtab]->dsc$w_length == 12 &&
+ (tmpdsc.dsc$a_pointer = tabvec[curtab]->dsc$a_pointer + 6) &&
+ !str$case_blind_compare(&tmpdsc,&local))
+ symtype = LIB$K_CLI_LOCAL_SYM;
+ else symtype = LIB$K_CLI_GLOBAL_SYM;
+ retsts = lib$delete_symbol(&lnmdsc,&symtype);
+ if (retsts == LIB$_INVSYMNAM) { ivsym = 1; continue; }
+ if (retsts == LIB$_NOSUCHSYM) continue;
+ break;
+ }
+ else if (!ivlnm) {
+ retsts = sys$dellnm(tabvec[curtab],&lnmdsc,&usermode); /* try user mode first */
+ if (retsts == SS$_IVLOGNAM) { ivlnm = 1; continue; }
+ if (retsts != SS$_NOLOGNAM && retsts != SS$_NOLOGTAB) break;
+ retsts = lib$delete_logical(&lnmdsc,tabvec[curtab]); /* then supervisor mode */
+ if (retsts != SS$_NOLOGNAM && retsts != SS$_NOLOGTAB) break;
+ }
+ }
+ }
+ else { /* we're defining a value */
+ if (!ivenv && !str$case_blind_compare(tabvec[0],&crtlenv)) {
+#ifdef HAS_SETENV
+ return setenv(lnm,eqv,1) ? vaxc$errno : 0;
+#else
+ if (ckWARN(WARN_INTERNAL))
+ warner(WARN_INTERNAL,"This Perl can't set CRTL environ elements (%s=%s)",lnm,eqv);
+ retsts = SS$_NOSUCHPGM;
+#endif
+ }
+ else {
+ eqvdsc.dsc$a_pointer = eqv;
+ eqvdsc.dsc$w_length = strlen(eqv);
+ if ((tmpdsc.dsc$a_pointer = tabvec[0]->dsc$a_pointer) &&
+ !str$case_blind_compare(&tmpdsc,&clisym)) {
+ unsigned int symtype;
+ if (tabvec[0]->dsc$w_length == 12 &&
+ (tmpdsc.dsc$a_pointer = tabvec[0]->dsc$a_pointer + 6) &&
+ !str$case_blind_compare(&tmpdsc,&local))
+ symtype = LIB$K_CLI_LOCAL_SYM;
+ else symtype = LIB$K_CLI_GLOBAL_SYM;
+ retsts = lib$set_symbol(&lnmdsc,&eqvdsc,&symtype);
+ }
+ else {
+ if (!*eqv) eqvdsc.dsc$w_length = 1;
+ retsts = lib$set_logical(&lnmdsc,&eqvdsc,tabvec[0],0,0);
+ }
}
}
+ if (!(retsts & 1)) {
+ switch (retsts) {
+ case LIB$_AMBSYMDEF: case LIB$_INSCLIMEM:
+ case SS$_NOLOGTAB: case SS$_TOOMANYLNAM: case SS$_IVLOGTAB:
+ set_errno(EVMSERR); break;
+ case LIB$_INVARG: case LIB$_INVSYMNAM: case SS$_IVLOGNAM:
+ case LIB$_NOSUCHSYM: case SS$_NOLOGNAM:
+ set_errno(EINVAL); break;
+ case SS$_NOPRIV:
+ set_errno(EACCES);
+ default:
+ _ckvmssts(retsts);
+ set_errno(EVMSERR);
+ }
+ set_vaxc_errno(retsts);
+ return (int) retsts || 44; /* retsts should never be 0, but just in case */
+ }
else {
- eqvdsc.dsc$w_length = strlen(eqv);
- eqvdsc.dsc$a_pointer = eqv;
-
- _ckvmssts(lib$set_logical(&lnmdsc,&eqvdsc,&tabdsc,0,0));
+ /* We reset error values on success because Perl does an hv_fetch()
+ * before each hv_store(), and if the thing we're setting didn't
+ * previously exist, we've got a leftover error message. (Of course,
+ * this fails in the face of
+ * $foo = $ENV{nonexistent}; $ENV{existent} = 'foo';
+ * in that the error reported in $! isn't spurious,
+ * but it's right more often than not.)
+ */
+ set_errno(0); set_vaxc_errno(retsts);
+ return 0;
}
-} /* end of my_setenv() */
+} /* end of vmssetenv() */
+/*}}}*/
+
+/*{{{ void my_setenv(char *lnm, char *eqv)*/
+/* This has to be a function since there's a prototype for it in proto.h */
+void
+my_setenv(char *lnm,char *eqv)
+{
+ if (lnm && *lnm && strlen(lnm) == 7) {
+ char uplnm[8];
+ int i;
+ for (i = 0; lnm[i]; i++) uplnm[i] = _toupper(lnm[i]);
+ if (!strcmp(uplnm,"DEFAULT")) {
+ if (eqv && *eqv) chdir(eqv);
+ return;
+ }
+ }
+ (void) vmssetenv(lnm,eqv,NULL);
+}
/*}}}*/
+
/*{{{ char *my_crypt(const char *textpasswd, const char *usrname)*/
/* my_crypt - VMS password hashing
* my_crypt() provides an interface compatible with the Unix crypt()
/*}}}*/
+static char *do_rmsexpand(char *, char *, int, char *, unsigned);
static char *do_fileify_dirspec(char *, char *, int);
static char *do_tovmsspec(char *, char *, int);
{
char dirfile[NAM$C_MAXRSS+1];
int retval;
- struct stat st;
+ Stat_t st;
if (do_fileify_dirspec(name,dirfile,0) == NULL) return -1;
if (flex_stat(dirfile,&st) || !S_ISDIR(st.st_mode)) retval = -1;
int
kill_file(char *name)
{
- char vmsname[NAM$C_MAXRSS+1];
+ char vmsname[NAM$C_MAXRSS+1], rspec[NAM$C_MAXRSS+1];
unsigned long int jpicode = JPI$_UIC, type = ACL$C_FILE;
unsigned long int cxt = 0, aclsts, fndsts, rmsts = -1;
struct dsc$descriptor_s fildsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
lcklst[2] = {{sizeof newace, ACL$C_WLOCK_ACL, &newace, 0},{0,0,0,0}},
ulklst[2] = {{sizeof newace, ACL$C_UNLOCK_ACL, &newace, 0},{0,0,0,0}};
- if (!remove(name)) return 0; /* Can we just get rid of it? */
+ /* Expand the input spec using RMS, since the CRTL remove() and
+ * system services won't do this by themselves, so we may miss
+ * a file "hiding" behind a logical name or search list. */
+ if (do_tovmsspec(name,vmsname,0) == NULL) return -1;
+ if (do_rmsexpand(vmsname,rspec,1,NULL,0) == NULL) return -1;
+ if (!remove(rspec)) return 0; /* Can we just get rid of it? */
/* If not, can changing protections help? */
if (vaxc$errno != RMS$_PRV) return -1;
* to delete the file.
*/
_ckvmssts(lib$getjpi(&jpicode,0,0,&(oldace.myace$l_ident),0,0));
- if (do_tovmsspec(name,vmsname,0) == NULL) return -1;
- fildsc.dsc$w_length = strlen(vmsname);
- fildsc.dsc$a_pointer = vmsname;
+ fildsc.dsc$w_length = strlen(rspec);
+ fildsc.dsc$a_pointer = rspec;
cxt = 0;
newace.myace$l_ident = oldace.myace$l_ident;
if (!((aclsts = sys$change_acl(0,&type,&fildsc,lcklst,0,0,0)) & 1)) {
} /* end of kill_file() */
/*}}}*/
-/* my_utime - update modification time of a file
- * calling sequence is identical to POSIX utime(), but under
- * VMS only the modification time is changed; ODS-2 does not
- * maintain access times. Restrictions differ from the POSIX
- * definition in that the time can be changed as long as the
- * caller has permission to execute the necessary IO$_MODIFY $QIO;
- * no separate checks are made to insure that the caller is the
- * owner of the file or has special privs enabled.
- * Code here is based on Joe Meadows' FILE utility.
- */
-
-/* Adjustment from Unix epoch (01-JAN-1970 00:00:00.00)
- * to VMS epoch (01-JAN-1858 00:00:00.00)
- * in 100 ns intervals.
- */
-static const long int utime_baseadjust[2] = { 0x4beb4000, 0x7c9567 };
-/*{{{int my_utime(char *path, struct utimbuf *utimes)*/
-int my_utime(char *file, struct utimbuf *utimes)
+/*{{{int my_mkdir(char *,Mode_t)*/
+int
+my_mkdir(char *dir, Mode_t mode)
{
- register int i;
- long int bintime[2], len = 2, lowbit, unixtime,
- secscale = 10000000; /* seconds --> 100 ns intervals */
- unsigned long int chan, iosb[2], retsts;
- char vmsspec[NAM$C_MAXRSS+1], rsa[NAM$C_MAXRSS], esa[NAM$C_MAXRSS];
- struct FAB myfab = cc$rms_fab;
- struct NAM mynam = cc$rms_nam;
-#if defined (__DECC) && defined (__VAX)
- /* VAX DEC C atrdef.h has unsigned type for pointer member atr$l_addr,
- * at least through VMS V6.1, which causes a type-conversion warning.
- */
-# pragma message save
-# pragma message disable cvtdiftypes
-#endif
- struct atrdef myatr[2] = {{sizeof bintime, ATR$C_REVDATE, bintime}, {0,0,0}};
- struct fibdef myfib;
-#if defined (__DECC) && defined (__VAX)
- /* This should be right after the declaration of myatr, but due
- * to a bug in VAX DEC C, this takes effect a statement early.
- */
-# pragma message restore
-#endif
- struct dsc$descriptor fibdsc = {sizeof(myfib), DSC$K_DTYPE_Z, DSC$K_CLASS_S,(char *) &myfib},
- devdsc = {0,DSC$K_DTYPE_T, DSC$K_CLASS_S,0},
- fnmdsc = {0,DSC$K_DTYPE_T, DSC$K_CLASS_S,0};
-
- if (file == NULL || *file == '\0') {
- set_errno(ENOENT);
- set_vaxc_errno(LIB$_INVARG);
- return -1;
- }
- if (do_tovmsspec(file,vmsspec,0) == NULL) return -1;
-
- if (utimes != NULL) {
- /* Convert Unix time (seconds since 01-JAN-1970 00:00:00.00)
- * to VMS quadword time (100 nsec intervals since 01-JAN-1858 00:00:00.00).
- * Since time_t is unsigned long int, and lib$emul takes a signed long int
- * as input, we force the sign bit to be clear by shifting unixtime right
- * one bit, then multiplying by an extra factor of 2 in lib$emul().
- */
- lowbit = (utimes->modtime & 1) ? secscale : 0;
- unixtime = (long int) utimes->modtime;
- unixtime >> 1; secscale << 1;
- retsts = lib$emul(&secscale, &unixtime, &lowbit, bintime);
- if (!(retsts & 1)) {
- set_errno(EVMSERR);
- set_vaxc_errno(retsts);
- return -1;
- }
- retsts = lib$addx(bintime,utime_baseadjust,bintime,&len);
- if (!(retsts & 1)) {
- set_errno(EVMSERR);
- set_vaxc_errno(retsts);
- return -1;
- }
- }
- else {
- /* Just get the current time in VMS format directly */
- retsts = sys$gettim(bintime);
- if (!(retsts & 1)) {
- set_errno(EVMSERR);
- set_vaxc_errno(retsts);
- return -1;
- }
- }
+ STRLEN dirlen = strlen(dir);
- myfab.fab$l_fna = vmsspec;
- myfab.fab$b_fns = (unsigned char) strlen(vmsspec);
- myfab.fab$l_nam = &mynam;
- mynam.nam$l_esa = esa;
- mynam.nam$b_ess = (unsigned char) sizeof esa;
- mynam.nam$l_rsa = rsa;
- mynam.nam$b_rss = (unsigned char) sizeof rsa;
-
- /* Look for the file to be affected, letting RMS parse the file
- * specification for us as well. I have set errno using only
- * values documented in the utime() man page for VMS POSIX.
+ /* CRTL mkdir() doesn't tolerate trailing /, since that implies
+ * null file name/type. However, it's commonplace under Unix,
+ * so we'll allow it for a gain in portability.
*/
- retsts = sys$parse(&myfab,0,0);
- if (!(retsts & 1)) {
- set_vaxc_errno(retsts);
- if (retsts == RMS$_PRV) set_errno(EACCES);
- else if (retsts == RMS$_DIR) set_errno(ENOTDIR);
- else set_errno(EVMSERR);
- return -1;
- }
- retsts = sys$search(&myfab,0,0);
- if (!(retsts & 1)) {
- set_vaxc_errno(retsts);
- if (retsts == RMS$_PRV) set_errno(EACCES);
- else if (retsts == RMS$_FNF) set_errno(ENOENT);
- else set_errno(EVMSERR);
- return -1;
- }
-
- devdsc.dsc$w_length = mynam.nam$b_dev;
- devdsc.dsc$a_pointer = (char *) mynam.nam$l_dev;
-
- retsts = sys$assign(&devdsc,&chan,0,0);
- if (!(retsts & 1)) {
- set_vaxc_errno(retsts);
- if (retsts == SS$_IVDEVNAM) set_errno(ENOTDIR);
- else if (retsts == SS$_NOPRIV) set_errno(EACCES);
- else if (retsts == SS$_NOSUCHDEV) set_errno(ENOTDIR);
- else set_errno(EVMSERR);
- return -1;
- }
-
- fnmdsc.dsc$a_pointer = mynam.nam$l_name;
- fnmdsc.dsc$w_length = mynam.nam$b_name + mynam.nam$b_type + mynam.nam$b_ver;
-
- memset((void *) &myfib, 0, sizeof myfib);
-#ifdef __DECC
- for (i=0;i<3;i++) myfib.fib$w_fid[i] = mynam.nam$w_fid[i];
- for (i=0;i<3;i++) myfib.fib$w_did[i] = mynam.nam$w_did[i];
- /* This prevents the revision time of the file being reset to the current
- * time as a result of our IO$_MODIFY $QIO. */
- myfib.fib$l_acctl = FIB$M_NORECORD;
-#else
- for (i=0;i<3;i++) myfib.fib$r_fid_overlay.fib$w_fid[i] = mynam.nam$w_fid[i];
- for (i=0;i<3;i++) myfib.fib$r_did_overlay.fib$w_did[i] = mynam.nam$w_did[i];
- myfib.fib$r_acctl_overlay.fib$l_acctl = FIB$M_NORECORD;
-#endif
- retsts = sys$qiow(0,chan,IO$_MODIFY,iosb,0,0,&fibdsc,&fnmdsc,0,0,myatr,0);
- _ckvmssts(sys$dassgn(chan));
- if (retsts & 1) retsts = iosb[0];
- if (!(retsts & 1)) {
- set_vaxc_errno(retsts);
- if (retsts == SS$_NOPRIV) set_errno(EACCES);
- else set_errno(EVMSERR);
- return -1;
+ if (dir[dirlen-1] == '/') {
+ char *newdir = savepvn(dir,dirlen-1);
+ int ret = mkdir(newdir,mode);
+ Safefree(newdir);
+ return ret;
}
-
- return 0;
-} /* end of my_utime() */
+ else return mkdir(dir,mode);
+} /* end of my_mkdir */
/*}}}*/
+
static void
create_mbx(unsigned short int *chan, struct dsc$descriptor_s *namdsc)
{
static $DESCRIPTOR(nl_desc, "NL:");
static int waitpid_asleep = 0;
+/* Send an EOF to a mbx. N.B. We don't check that fp actually points
+ * to a mbx; that's the caller's responsibility.
+ */
+static unsigned long int
+pipe_eof(FILE *fp)
+{
+ char devnam[NAM$C_MAXRSS+1], *cp;
+ unsigned long int chan, iosb[2], retsts, retsts2;
+ struct dsc$descriptor devdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, devnam};
+
+ if (fgetname(fp,devnam,1)) {
+ /* It oughta be a mailbox, so fgetname should give just the device
+ * name, but just in case . . . */
+ if ((cp = strrchr(devnam,':')) != NULL) *(cp+1) = '\0';
+ devdsc.dsc$w_length = strlen(devnam);
+ _ckvmssts(sys$assign(&devdsc,&chan,0,0));
+ retsts = sys$qiow(0,chan,IO$_WRITEOF,iosb,0,0,0,0,0,0,0,0);
+ if (retsts & 1) retsts = iosb[0];
+ retsts2 = sys$dassgn(chan); /* Be sure to deassign the channel */
+ if (retsts & 1) retsts = retsts2;
+ _ckvmssts(retsts);
+ return retsts;
+ }
+ else _ckvmssts(vaxc$errno); /* Should never happen */
+ return (unsigned long int) vaxc$errno;
+}
+
static unsigned long int
pipe_exit_routine()
{
- unsigned long int retsts = SS$_NORMAL, abort = SS$_TIMEOUT, sts;
-
- while (open_pipes != NULL) {
- if (!open_pipes->done) { /* Tap them gently on the shoulder . . .*/
- _ckvmssts(sys$forcex(&open_pipes->pid,0,&abort));
- sleep(1);
+ struct pipe_details *info;
+ unsigned long int retsts = SS$_NORMAL, abort = SS$_TIMEOUT;
+ int sts, did_stuff;
+
+ /*
+ first we try sending an EOF...ignore if doesn't work, make sure we
+ don't hang
+ */
+ did_stuff = 0;
+ info = open_pipes;
+
+ while (info) {
+ if (info->mode != 'r' && !info->done) {
+ if (pipe_eof(info->fp) & 1) did_stuff = 1;
+ }
+ info = info->next;
+ }
+ if (did_stuff) sleep(1); /* wait for EOF to have an effect */
+
+ did_stuff = 0;
+ info = open_pipes;
+ while (info) {
+ if (!info->done) { /* Tap them gently on the shoulder . . .*/
+ sts = sys$forcex(&info->pid,0,&abort);
+ if (!(sts&1) && sts != SS$_NONEXPR) _ckvmssts(sts);
+ did_stuff = 1;
}
- if (!open_pipes->done) /* We tried to be nice . . . */
- _ckvmssts(sys$delprc(&open_pipes->pid,0));
- if (!((sts = my_pclose(open_pipes->fp))&1)) retsts = sts;
+ info = info->next;
+ }
+ if (did_stuff) sleep(1); /* wait for them to respond */
+
+ info = open_pipes;
+ while (info) {
+ if (!info->done) { /* We tried to be nice . . . */
+ sts = sys$delprc(&info->pid,0);
+ if (!(sts&1) && sts != SS$_NONEXPR) _ckvmssts(sts);
+ info->done = 1; /* so my_pclose doesn't try to write EOF */
+ }
+ info = info->next;
+ }
+
+ while(open_pipes) {
+ if ((sts = my_pclose(open_pipes->fp)) == -1) retsts = vaxc$errno;
+ else if (!(sts & 1)) retsts = sts;
}
return retsts;
}
}
}
-/*{{{ FILE *my_popen(char *cmd, char *mode)*/
-FILE *
-my_popen(char *cmd, char *mode)
+static PerlIO *
+safe_popen(char *cmd, char *mode)
{
static int handler_set_up = FALSE;
char mbxname[64];
return Nullfp;
}
- New(7001,info,1,struct pipe_details);
+ New(1301,info,1,struct pipe_details);
/* create mailbox */
create_mbx(&chan,&namdsc);
info->next=open_pipes; /* prepend to list */
open_pipes=info;
- forkprocess = info->pid;
+ PL_forkprocess = info->pid;
return info->fp;
+} /* end of safe_popen */
+
+
+/*{{{ FILE *my_popen(char *cmd, char *mode)*/
+FILE *
+my_popen(char *cmd, char *mode)
+{
+ TAINT_ENV();
+ TAINT_PROPER("popen");
+ PERL_FLUSHALL_FOR_CHILD;
+ return safe_popen(cmd,mode);
}
+
/*}}}*/
/*{{{ I32 my_pclose(FILE *fp)*/
for (info = open_pipes; info != NULL; last = info, info = info->next)
if (info->fp == fp) break;
- if (info == NULL)
- /* get here => no such pipe open */
- croak("No such pipe open");
+ if (info == NULL) { /* no such pipe open */
+ set_errno(ECHILD); /* quoth POSIX */
+ set_vaxc_errno(SS$_NONEXPR);
+ return -1;
+ }
+ /* If we were writing to a subprocess, insure that someone reading from
+ * the mailbox gets an EOF. It looks like a simple fclose() doesn't
+ * produce an EOF record in the mailbox. */
+ if (info->mode != 'r' && !info->done) pipe_eof(info->fp);
PerlIO_close(info->fp);
if (info->done) retsts = info->completion;
} /* end of my_pclose() */
/* sort-of waitpid; use only with popen() */
-/*{{{unsigned long int waitpid(unsigned long int pid, int *statusp, int flags)*/
-unsigned long int
-waitpid(unsigned long int pid, int *statusp, int flags)
+/*{{{Pid_t my_waitpid(Pid_t pid, int *statusp, int flags)*/
+Pid_t
+my_waitpid(Pid_t pid, int *statusp, int flags)
{
struct pipe_details *info;
unsigned long int ownercode = JPI$_OWNER, ownerpid, mypid;
unsigned long int interval[2],sts;
- if (dowarn) {
+ if (ckWARN(WARN_EXEC)) {
_ckvmssts(lib$getjpi(&ownercode,&pid,0,&ownerpid,0,0));
_ckvmssts(lib$getjpi(&ownercode,0,0,&mypid,0,0));
if (ownerpid != mypid)
- warn("pid %d not a child",pid);
+ warner(WARN_EXEC,"pid %x not a child",pid);
}
_ckvmssts(sys$bintim(&intdsc,interval));
char *loc;
loc = buf ? buf : __gcvtbuf;
+
+#ifndef __DECC /* VAXCRTL gcvt uses E format for numbers < 1 */
+ if (val < 1) {
+ sprintf(loc,"%.*g",ndig,val);
+ return loc;
+ }
+#endif
+
if (val) {
if (!buf && ndig > DBL_DIG) ndig = DBL_DIG;
return gcvt(val,ndig,loc);
}
/*}}}*/
+
+/*{{{char *do_rmsexpand(char *fspec, char *out, int ts, char *def, unsigned opts)*/
+/* Shortcut for common case of simple calls to $PARSE and $SEARCH
+ * to expand file specification. Allows for a single default file
+ * specification and a simple mask of options. If outbuf is non-NULL,
+ * it must point to a buffer at least NAM$C_MAXRSS bytes long, into which
+ * the resultant file specification is placed. If outbuf is NULL, the
+ * resultant file specification is placed into a static buffer.
+ * The third argument, if non-NULL, is taken to be a default file
+ * specification string. The fourth argument is unused at present.
+ * rmesexpand() returns the address of the resultant string if
+ * successful, and NULL on error.
+ */
+static char *do_tounixspec(char *, char *, int);
+
+static char *
+do_rmsexpand(char *filespec, char *outbuf, int ts, char *defspec, unsigned opts)
+{
+ static char __rmsexpand_retbuf[NAM$C_MAXRSS+1];
+ char vmsfspec[NAM$C_MAXRSS+1], tmpfspec[NAM$C_MAXRSS+1];
+ char esa[NAM$C_MAXRSS], *cp, *out = NULL;
+ struct FAB myfab = cc$rms_fab;
+ struct NAM mynam = cc$rms_nam;
+ STRLEN speclen;
+ unsigned long int retsts, trimver, trimtype, haslower = 0, isunix = 0;
+
+ if (!filespec || !*filespec) {
+ set_vaxc_errno(LIB$_INVARG); set_errno(EINVAL);
+ return NULL;
+ }
+ if (!outbuf) {
+ if (ts) out = New(1319,outbuf,NAM$C_MAXRSS+1,char);
+ else outbuf = __rmsexpand_retbuf;
+ }
+ if ((isunix = (strchr(filespec,'/') != NULL))) {
+ if (do_tovmsspec(filespec,vmsfspec,0) == NULL) return NULL;
+ filespec = vmsfspec;
+ }
+
+ myfab.fab$l_fna = filespec;
+ myfab.fab$b_fns = strlen(filespec);
+ myfab.fab$l_nam = &mynam;
+
+ if (defspec && *defspec) {
+ if (strchr(defspec,'/') != NULL) {
+ if (do_tovmsspec(defspec,tmpfspec,0) == NULL) return NULL;
+ defspec = tmpfspec;
+ }
+ myfab.fab$l_dna = defspec;
+ myfab.fab$b_dns = strlen(defspec);
+ }
+
+ mynam.nam$l_esa = esa;
+ mynam.nam$b_ess = sizeof esa;
+ mynam.nam$l_rsa = outbuf;
+ mynam.nam$b_rss = NAM$C_MAXRSS;
+
+ retsts = sys$parse(&myfab,0,0);
+ if (!(retsts & 1)) {
+ mynam.nam$b_nop |= NAM$M_SYNCHK;
+ if (retsts == RMS$_DNF || retsts == RMS$_DIR ||
+ retsts == RMS$_DEV || retsts == RMS$_DEV) {
+ retsts = sys$parse(&myfab,0,0);
+ if (retsts & 1) goto expanded;
+ }
+ mynam.nam$l_rlf = NULL; myfab.fab$b_dns = 0;
+ (void) sys$parse(&myfab,0,0); /* Free search context */
+ if (out) Safefree(out);
+ set_vaxc_errno(retsts);
+ if (retsts == RMS$_PRV) set_errno(EACCES);
+ else if (retsts == RMS$_DEV) set_errno(ENODEV);
+ else if (retsts == RMS$_DIR) set_errno(ENOTDIR);
+ else set_errno(EVMSERR);
+ return NULL;
+ }
+ retsts = sys$search(&myfab,0,0);
+ if (!(retsts & 1) && retsts != RMS$_FNF) {
+ mynam.nam$b_nop |= NAM$M_SYNCHK; mynam.nam$l_rlf = NULL;
+ myfab.fab$b_dns = 0; (void) sys$parse(&myfab,0,0); /* Free search context */
+ if (out) Safefree(out);
+ set_vaxc_errno(retsts);
+ if (retsts == RMS$_PRV) set_errno(EACCES);
+ else set_errno(EVMSERR);
+ return NULL;
+ }
+
+ /* If the input filespec contained any lowercase characters,
+ * downcase the result for compatibility with Unix-minded code. */
+ expanded:
+ for (out = myfab.fab$l_fna; *out; out++)
+ if (islower(*out)) { haslower = 1; break; }
+ if (mynam.nam$b_rsl) { out = outbuf; speclen = mynam.nam$b_rsl; }
+ else { out = esa; speclen = mynam.nam$b_esl; }
+ /* Trim off null fields added by $PARSE
+ * If type > 1 char, must have been specified in original or default spec
+ * (not true for version; $SEARCH may have added version of existing file).
+ */
+ trimver = !(mynam.nam$l_fnb & NAM$M_EXP_VER);
+ trimtype = !(mynam.nam$l_fnb & NAM$M_EXP_TYPE) &&
+ (mynam.nam$l_ver - mynam.nam$l_type == 1);
+ if (trimver || trimtype) {
+ if (defspec && *defspec) {
+ char defesa[NAM$C_MAXRSS];
+ struct FAB deffab = cc$rms_fab;
+ struct NAM defnam = cc$rms_nam;
+
+ deffab.fab$l_nam = &defnam;
+ deffab.fab$l_fna = defspec; deffab.fab$b_fns = myfab.fab$b_dns;
+ defnam.nam$l_esa = defesa; defnam.nam$b_ess = sizeof defesa;
+ defnam.nam$b_nop = NAM$M_SYNCHK;
+ if (sys$parse(&deffab,0,0) & 1) {
+ if (trimver) trimver = !(defnam.nam$l_fnb & NAM$M_EXP_VER);
+ if (trimtype) trimtype = !(defnam.nam$l_fnb & NAM$M_EXP_TYPE);
+ }
+ }
+ if (trimver) speclen = mynam.nam$l_ver - out;
+ if (trimtype) {
+ /* If we didn't already trim version, copy down */
+ if (speclen > mynam.nam$l_ver - out)
+ memcpy(mynam.nam$l_type, mynam.nam$l_ver,
+ speclen - (mynam.nam$l_ver - out));
+ speclen -= mynam.nam$l_ver - mynam.nam$l_type;
+ }
+ }
+ /* If we just had a directory spec on input, $PARSE "helpfully"
+ * adds an empty name and type for us */
+ if (mynam.nam$l_name == mynam.nam$l_type &&
+ mynam.nam$l_ver == mynam.nam$l_type + 1 &&
+ !(mynam.nam$l_fnb & NAM$M_EXP_NAME))
+ speclen = mynam.nam$l_name - out;
+ out[speclen] = '\0';
+ if (haslower) __mystrtolower(out);
+
+ /* Have we been working with an expanded, but not resultant, spec? */
+ /* Also, convert back to Unix syntax if necessary. */
+ if (!mynam.nam$b_rsl) {
+ if (isunix) {
+ if (do_tounixspec(esa,outbuf,0) == NULL) return NULL;
+ }
+ else strcpy(outbuf,esa);
+ }
+ else if (isunix) {
+ if (do_tounixspec(outbuf,tmpfspec,0) == NULL) return NULL;
+ strcpy(outbuf,tmpfspec);
+ }
+ mynam.nam$b_nop |= NAM$M_SYNCHK; mynam.nam$l_rlf = NULL;
+ mynam.nam$l_rsa = NULL; mynam.nam$b_rss = 0;
+ myfab.fab$b_dns = 0; (void) sys$parse(&myfab,0,0); /* Free search context */
+ return outbuf;
+}
+/*}}}*/
+/* External entry points */
+char *rmsexpand(char *spec, char *buf, char *def, unsigned opt)
+{ return do_rmsexpand(spec,buf,0,def,opt); }
+char *rmsexpand_ts(char *spec, char *buf, char *def, unsigned opt)
+{ return do_rmsexpand(spec,buf,1,def,opt); }
+
+
/*
** The following routines are provided to make life easier when
** converting among VMS-style and Unix-style directory specifications.
** tounixspec() - convert any file spec into a Unix-style file spec.
** tovmsspec() - convert any file spec into a VMS-style spec.
**
-** Copyright 1996 by Charles Bailey <bailey@genetics.upenn.edu>
+** Copyright 1996 by Charles Bailey <bailey@newman.upenn.edu>
** Permission is given to distribute this code as part of the Perl
** standard distribution under the terms of the GNU General Public
** License or the Perl Artistic License. Copies of each may be
** found in the Perl standard distribution.
*/
-static char *do_tounixspec(char *, char *, int);
-
/*{{{ char *fileify_dirspec[_ts](char *path, char *buf)*/
static char *do_fileify_dirspec(char *dir,char *buf,int ts)
{
static char __fileify_retbuf[NAM$C_MAXRSS+1];
unsigned long int dirlen, retlen, addmfd = 0, hasfilename = 0;
char *retspec, *cp1, *cp2, *lastdir;
- char trndir[NAM$C_MAXRSS+1], vmsdir[NAM$C_MAXRSS+1];
+ char trndir[NAM$C_MAXRSS+2], vmsdir[NAM$C_MAXRSS+1];
if (!dir || !*dir) {
set_errno(EINVAL); set_vaxc_errno(SS$_BADPARAM); return NULL;
}
dirlen = strlen(dir);
- if (dir[dirlen-1] == '/') --dirlen;
- if (!dirlen) {
- set_errno(ENOTDIR);
- set_vaxc_errno(RMS$_DIR);
- return NULL;
+ while (dir[dirlen-1] == '/') --dirlen;
+ if (!dirlen) { /* We had Unixish '/' -- substitute top of current tree */
+ strcpy(trndir,"/sys$disk/000000");
+ dir = trndir;
+ dirlen = 16;
+ }
+ if (dirlen > NAM$C_MAXRSS) {
+ set_errno(ENAMETOOLONG); set_vaxc_errno(RMS$_SYN); return NULL;
}
if (!strpbrk(dir+1,"/]>:")) {
strcpy(trndir,*dir == '/' ? dir + 1: dir);
if (*(cp1+2) == '.') cp1++;
if (*(cp1+2) == '/' || *(cp1+2) == '\0') {
if (do_tovmsspec(dir,vmsdir,0) == NULL) return NULL;
+ if (strchr(vmsdir,'/') != NULL) {
+ /* If do_tovmsspec() returned it, it must have VMS syntax
+ * delimiters in it, so it's a mixed VMS/Unix spec. We take
+ * the time to check this here only so we avoid a recursion
+ * loop; otherwise, gigo.
+ */
+ set_errno(EINVAL); set_vaxc_errno(RMS$_SYN); return NULL;
+ }
if (do_fileify_dirspec(vmsdir,trndir,0) == NULL) return NULL;
return do_tounixspec(trndir,buf,ts);
}
cp1++;
} while ((cp1 = strstr(cp1,"/.")) != NULL);
+ lastdir = strrchr(dir,'/');
+ }
+ else if (!strcmp(&dir[dirlen-7],"/000000")) {
+ /* Ditto for specs that end in an MFD -- let the VMS code
+ * figure out whether it's a real device or a rooted logical. */
+ dir[dirlen] = '/'; dir[dirlen+1] = '\0';
+ if (do_tovmsspec(dir,vmsdir,0) == NULL) return NULL;
+ if (do_fileify_dirspec(vmsdir,trndir,0) == NULL) return NULL;
+ return do_tounixspec(trndir,buf,ts);
}
else {
if ( !(lastdir = cp1 = strrchr(dir,'/')) &&
}
retlen = dirlen + (addmfd ? 13 : 6);
if (buf) retspec = buf;
- else if (ts) New(7009,retspec,retlen+1,char);
+ else if (ts) New(1309,retspec,retlen+1,char);
else retspec = __fileify_retbuf;
if (addmfd) {
dirlen = lastdir - dir;
if (dirnam.nam$l_fnb & NAM$M_EXP_NAME) {
/* They provided at least the name; we added the type, if necessary, */
if (buf) retspec = buf; /* in sys$parse() */
- else if (ts) New(7011,retspec,dirnam.nam$b_esl+1,char);
+ else if (ts) New(1311,retspec,dirnam.nam$b_esl+1,char);
else retspec = __fileify_retbuf;
strcpy(retspec,esa);
return retspec;
/* There's more than one directory in the path. Just roll back. */
*cp1 = term;
if (buf) retspec = buf;
- else if (ts) New(7011,retspec,retlen+7,char);
+ else if (ts) New(1311,retspec,retlen+7,char);
else retspec = __fileify_retbuf;
strcpy(retspec,esa);
}
}
retlen = dirnam.nam$b_esl - 9; /* esa - '][' - '].DIR;1' */
if (buf) retspec = buf;
- else if (ts) New(7012,retspec,retlen+16,char);
+ else if (ts) New(1312,retspec,retlen+16,char);
else retspec = __fileify_retbuf;
cp1 = strstr(esa,"][");
dirlen = cp1 - esa;
}
else { /* This is a top-level dir. Add the MFD to the path. */
if (buf) retspec = buf;
- else if (ts) New(7012,retspec,retlen+16,char);
+ else if (ts) New(1312,retspec,retlen+16,char);
else retspec = __fileify_retbuf;
cp1 = esa;
cp2 = retspec;
/* Trap simple rooted lnms, and return lnm:[000000] */
if (!strcmp(trndir+trnlen-2,".]")) {
if (buf) retpath = buf;
- else if (ts) New(7018,retpath,strlen(dir)+10,char);
+ else if (ts) New(1318,retpath,strlen(dir)+10,char);
else retpath = __pathify_retbuf;
strcpy(retpath,dir);
strcat(retpath,":[000000]");
if ( !(cp1 = strrchr(dir,'/')) &&
!(cp1 = strrchr(dir,']')) &&
!(cp1 = strrchr(dir,'>')) ) cp1 = dir;
- if ((cp2 = strchr(cp1,'.')) != NULL) {
+ if ((cp2 = strchr(cp1,'.')) != NULL &&
+ (*(cp2-1) != '/' || /* Trailing '.', '..', */
+ !(*(cp2+1) == '\0' || /* or '...' are dirs. */
+ (*(cp2+1) == '.' && *(cp2+2) == '\0') ||
+ (*(cp2+1) == '.' && *(cp2+2) == '.' && *(cp2+3) == '\0')))) {
int ver; char *cp3;
if (!*(cp2+1) || toupper(*(cp2+1)) != 'D' || /* Wrong type. */
!*(cp2+2) || toupper(*(cp2+2)) != 'I' || /* Bzzt. */
}
}
if (buf) retpath = buf;
- else if (ts) New(7013,retpath,retlen+1,char);
+ else if (ts) New(1313,retpath,retlen+1,char);
else retpath = __pathify_retbuf;
strncpy(retpath,dir,retlen-1);
if (retpath[retlen-2] != '/') { /* If the path doesn't already end */
dir[dirfab.fab$b_fns-1] == '>' ||
dir[dirfab.fab$b_fns-1] == ':') { /* It's already a VMS 'path' */
if (buf) retpath = buf;
- else if (ts) New(7014,retpath,strlen(dir)+1,char);
+ else if (ts) New(1314,retpath,strlen(dir)+1,char);
else retpath = __pathify_retbuf;
strcpy(retpath,dir);
return retpath;
*(dirnam.nam$l_type + 1) = '\0';
retlen = dirnam.nam$l_type - esa + 2;
if (buf) retpath = buf;
- else if (ts) New(7014,retpath,retlen,char);
+ else if (ts) New(1314,retpath,retlen,char);
else retpath = __pathify_retbuf;
strcpy(retpath,esa);
/* $PARSE may have upcased filespec, so convert output to lower
{
static char __tounixspec_retbuf[NAM$C_MAXRSS+1];
char *dirend, *rslt, *cp1, *cp2, *cp3, tmp[NAM$C_MAXRSS+1];
- int devlen, dirlen, retlen = NAM$C_MAXRSS+1, dashes = 0;
+ int devlen, dirlen, retlen = NAM$C_MAXRSS+1, expand = 0;
if (spec == NULL) return NULL;
if (strlen(spec) > NAM$C_MAXRSS) return NULL;
cp1 = strchr(spec,'[');
if (!cp1) cp1 = strchr(spec,'<');
if (cp1) {
- for (cp1++; *cp1 == '-'; cp1++) dashes++; /* VMS '-' ==> Unix '../' */
+ for (cp1++; *cp1; cp1++) {
+ if (*cp1 == '-') expand++; /* VMS '-' ==> Unix '../' */
+ if (*cp1 == '.' && *(cp1+1) == '.' && *(cp1+2) == '.')
+ { expand++; cp1 +=2; } /* VMS '...' ==> Unix '/.../' */
+ }
}
- New(7015,rslt,retlen+2+2*dashes,char);
+ New(1315,rslt,retlen+2+2*expand,char);
}
else rslt = __tounixspec_retbuf;
if (strchr(spec,'/') != NULL) {
else { /* the VMS spec begins with directories */
cp2++;
if (*cp2 == ']' || *cp2 == '>') {
- strcpy(rslt,"./");
+ *(cp1++) = '.'; *(cp1++) = '/'; *(cp1++) = '\0';
return rslt;
}
- else if ( *cp2 != '.' && *cp2 != '-') {
- *(cp1++) = '/'; /* add the implied device into the Unix spec */
+ else if ( *cp2 != '.' && *cp2 != '-') { /* add the implied device */
if (getcwd(tmp,sizeof tmp,1) == NULL) {
if (ts) Safefree(rslt);
return NULL;
while (*cp3 != ':' && *cp3) cp3++;
*(cp3++) = '\0';
if (strchr(cp3,']') != NULL) break;
- } while (((cp3 = my_getenv(tmp)) != NULL) && strcpy(tmp,cp3));
- cp3 = tmp;
- while (*cp3) *(cp1++) = *(cp3++);
- *(cp1++) = '/';
- if (ts &&
+ } while (vmstrnenv(tmp,tmp,0,fildev,0));
+ if (ts && !buf &&
((devlen = strlen(tmp)) + (dirlen = strlen(cp2)) + 1 > retlen)) {
- int offset = cp1 - rslt;
-
retlen = devlen + dirlen;
- Renew(rslt,retlen+1+2*dashes,char);
- cp1 = rslt + offset;
+ Renew(rslt,retlen+1+2*expand,char);
+ cp1 = rslt;
}
+ cp3 = tmp;
+ *(cp1++) = '/';
+ while (*cp3) {
+ *(cp1++) = *(cp3++);
+ if (cp1 - rslt > NAM$C_MAXRSS && !ts && !buf) return NULL; /* No room */
+ }
+ *(cp1++) = '/';
+ }
+ else if ( *cp2 == '.') {
+ if (*(cp2+1) == '.' && *(cp2+2) == '.') {
+ *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '/';
+ cp2 += 3;
+ }
+ else cp2++;
}
- else if (*cp2 == '.') cp2++;
}
for (; cp2 <= dirend; cp2++) {
if (*cp2 == ':') {
*(cp1++) = '/';
if (*(cp2+1) == '[') cp2++;
}
- else if (*cp2 == ']' || *cp2 == '>') *(cp1++) = '/';
+ else if (*cp2 == ']' || *cp2 == '>') {
+ if (*(cp1-1) != '/') *(cp1++) = '/'; /* Don't double after ellipsis */
+ }
else if (*cp2 == '.') {
*(cp1++) = '/';
if (*(cp2+1) == ']' || *(cp2+1) == '>') {
if (!strncmp(cp2,"[000000",7) && (*(cp2+7) == ']' ||
*(cp2+7) == '>' || *(cp2+7) == '.')) cp2 += 7;
}
+ else if ( *(cp2+1) == '.' && *(cp2+2) == '.') {
+ *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) ='/';
+ cp2 += 2;
+ }
}
else if (*cp2 == '-') {
if (*(cp2-1) == '[' || *(cp2-1) == '<' || *(cp2-1) == '.') {
if (path == NULL) return NULL;
if (buf) rslt = buf;
- else if (ts) New(7016,rslt,strlen(path)+9,char);
+ else if (ts) New(1316,rslt,strlen(path)+9,char);
else rslt = __tovmsspec_retbuf;
if (strpbrk(path,"]:>") ||
(dirend = strrchr(path,'/')) == NULL) {
else strcpy(rslt,path);
return rslt;
}
- if (*(dirend+1) == '.') { /* do we have trailing "/." or "/.."? */
+ if (*(dirend+1) == '.') { /* do we have trailing "/." or "/.." or "/..."? */
if (!*(dirend+2)) dirend +=2;
if (*(dirend+2) == '.' && !*(dirend+3)) dirend += 3;
+ if (*(dirend+2) == '.' && *(dirend+3) == '.' && !*(dirend+4)) dirend += 4;
}
cp1 = rslt;
cp2 = path;
STRLEN trnend;
while (*(cp2+1) == '/') cp2++; /* Skip multiple /s */
+ if (!*(cp2+1)) {
+ if (!buf & ts) Renew(rslt,18,char);
+ strcpy(rslt,"sys$disk:[000000]");
+ return rslt;
+ }
while (*(++cp2) != '/' && *cp2) *(cp1++) = *cp2;
*cp1 = '\0';
islnm = my_trnlnm(rslt,trndev,0);
*(cp1++) = '-'; /* "../" --> "-" */
cp2 += 3;
}
+ else if (*(cp2+1) == '.' && *(cp2+2) == '.' &&
+ (*(cp2+3) == '/' || *(cp2+3) == '\0')) {
+ *(cp1++) = '.'; *(cp1++) = '.'; *(cp1++) = '.'; /* ".../" --> "..." */
+ if (!*(cp2+4)) *(cp1++) = '.'; /* Simulate trailing '/' for later */
+ cp2 += 4;
+ }
if (cp2 > dirend) cp2 = dirend;
}
else *(cp1++) = '.';
cp2 += 2;
if (cp2 == dirend) break;
}
+ else if ( *(cp2+1) == '.' && *(cp2+2) == '.' &&
+ (*(cp2+3) == '/' || *(cp2+3) == '\0') ) {
+ if (*(cp1-1) != '.') *(cp1++) = '.'; /* May already have 1 from '/' */
+ *(cp1++) = '.'; *(cp1++) = '.'; /* ".../" --> "..." */
+ if (!*(cp2+3)) {
+ *(cp1++) = '.'; /* Simulate trailing '/' */
+ cp2 += 2; /* for loop will incr this to == dirend */
+ }
+ else cp2 += 3; /* Trailing '/' was there, so skip it, too */
+ }
else *(cp1++) = '_'; /* fix up syntax - '.' in name not allowed */
}
else {
if (buf) return buf;
else if (ts) {
vmslen = strlen(vmsified);
- New(7017,cp,vmslen+1,char);
+ New(1317,cp,vmslen+1,char);
memcpy(cp,vmsified,vmslen);
cp[vmslen] = '\0';
return cp;
if (buf) return buf;
else if (ts) {
unixlen = strlen(unixified);
- New(7017,cp,unixlen+1,char);
+ New(1317,cp,unixlen+1,char);
memcpy(cp,unixified,unixlen);
cp[unixlen] = '\0';
return cp;
* gain. *
* *
* 27-Aug-1994 Modified for inclusion in perl5 *
- * by Charles Bailey bailey@genetics.upenn.edu *
+ * by Charles Bailey bailey@newman.upenn.edu *
*****************************************************************************
*/
static void pipe_and_fork(char **cmargv);
/*{{{ void getredirection(int *ac, char ***av)*/
-void
+static void
getredirection(int *ac, char ***av)
/*
* Process vms redirection arg's. Exit if any error is seen.
* Allocate and fill in the new argument vector, Some Unix's terminate
* the list with an extra null pointer.
*/
- New(7002, argv, item_count+1, char *);
+ New(1302, argv, item_count+1, char *);
*av = argv;
for (j = 0; j < item_count; ++j, list_head = list_head->next)
argv[j] = list_head->value;
{
if (*head == 0)
{
- New(7003,*head,1,struct list_item);
+ New(1303,*head,1,struct list_item);
*tail = *head;
}
else {
- New(7004,(*tail)->next,1,struct list_item);
+ New(1304,(*tail)->next,1,struct list_item);
*tail = (*tail)->next;
}
(*tail)->value = value;
char *had_version;
char *had_device;
int had_directory;
-char *devdir;
+char *devdir,*cp;
char vmsspec[NAM$C_MAXRSS+1];
$DESCRIPTOR(filespec, "");
$DESCRIPTOR(defaultspec, "SYS$DISK:[]");
$DESCRIPTOR(resultspec, "");
unsigned long int zero = 0, sts;
- if (strcspn(item, "*%") == strlen(item) || strchr(item,' ') != NULL)
+ for (cp = item; *cp; cp++) {
+ if (*cp == '*' || *cp == '%' || isspace(*cp)) break;
+ if (*cp == '.' && *(cp-1) == '.' && *(cp-2) =='.') break;
+ }
+ if (!*cp || isspace(*cp))
{
add_item(head, tail, item, count);
return;
char *string;
char *c;
- New(7005,string,resultspec.dsc$w_length+1,char);
+ New(1305,string,resultspec.dsc$w_length+1,char);
strncpy(string, resultspec.dsc$a_pointer, resultspec.dsc$w_length);
string[resultspec.dsc$w_length] = '\0';
if (NULL == had_version)
for (c = string; *c; ++c)
if (isupper(*c))
*c = tolower(*c);
- if (isunix) trim_unixpath(string,item);
+ if (isunix) trim_unixpath(string,item,1);
add_item(head, tail, string, count);
++expcount;
}
set_errno(ENOENT); break;
case RMS$_DEV:
set_errno(ENODEV); break;
+ case RMS$_FNM:
case RMS$_SYN:
set_errno(EINVAL); break;
case RMS$_PRV:
/*}}}*/
/***** End of code taken from Mark Pizzolato's argproc.c package *****/
+
+/* OS-specific initialization at image activation (not thread startup) */
+/* Older VAXC header files lack these constants */
+#ifndef JPI$_RIGHTS_SIZE
+# define JPI$_RIGHTS_SIZE 817
+#endif
+#ifndef KGB$M_SUBSYSTEM
+# define KGB$M_SUBSYSTEM 0x8
+#endif
+
+/*{{{void vms_image_init(int *, char ***)*/
+void
+vms_image_init(int *argcp, char ***argvp)
+{
+ char eqv[LNM$C_NAMLENGTH+1] = "";
+ unsigned int len, tabct = 8, tabidx = 0;
+ unsigned long int *mask, iosb[2], i, rlst[128], rsz;
+ unsigned long int iprv[(sizeof(union prvdef) + sizeof(unsigned long int) - 1) / sizeof(unsigned long int)];
+ unsigned short int dummy, rlen;
+ struct dsc$descriptor_s **tabvec;
+ struct itmlst_3 jpilist[4] = { {sizeof iprv, JPI$_IMAGPRIV, iprv, &dummy},
+ {sizeof rlst, JPI$_RIGHTSLIST, rlst, &rlen},
+ { sizeof rsz, JPI$_RIGHTS_SIZE, &rsz, &dummy},
+ { 0, 0, 0, 0} };
+
+ _ckvmssts(sys$getjpiw(0,NULL,NULL,jpilist,iosb,NULL,NULL));
+ _ckvmssts(iosb[0]);
+ for (i = 0; i < sizeof iprv / sizeof(unsigned long int); i++) {
+ if (iprv[i]) { /* Running image installed with privs? */
+ _ckvmssts(sys$setprv(0,iprv,0,NULL)); /* Turn 'em off. */
+ will_taint = TRUE;
+ break;
+ }
+ }
+ /* Rights identifiers might trigger tainting as well. */
+ if (!will_taint && (rlen || rsz)) {
+ while (rlen < rsz) {
+ /* We didn't get all the identifiers on the first pass. Allocate a
+ * buffer much larger than $GETJPI wants (rsz is size in bytes that
+ * were needed to hold all identifiers at time of last call; we'll
+ * allocate that many unsigned long ints), and go back and get 'em.
+ */
+ if (jpilist[1].bufadr != rlst) Safefree(jpilist[1].bufadr);
+ jpilist[1].bufadr = New(1320,mask,rsz,unsigned long int);
+ jpilist[1].buflen = rsz * sizeof(unsigned long int);
+ _ckvmssts(sys$getjpiw(0,NULL,NULL,&jpilist[1],iosb,NULL,NULL));
+ _ckvmssts(iosb[0]);
+ }
+ mask = jpilist[1].bufadr;
+ /* Check attribute flags for each identifier (2nd longword); protected
+ * subsystem identifiers trigger tainting.
+ */
+ for (i = 1; i < (rlen + sizeof(unsigned long int) - 1) / sizeof(unsigned long int); i += 2) {
+ if (mask[i] & KGB$M_SUBSYSTEM) {
+ will_taint = TRUE;
+ break;
+ }
+ }
+ if (mask != rlst) Safefree(mask);
+ }
+ /* We need to use this hack to tell Perl it should run with tainting,
+ * since its tainting flag may be part of the PL_curinterp struct, which
+ * hasn't been allocated when vms_image_init() is called.
+ */
+ if (will_taint) {
+ char ***newap;
+ New(1320,newap,*argcp+2,char **);
+ newap[0] = argvp[0];
+ *newap[1] = "-T";
+ Copy(argvp[1],newap[2],*argcp-1,char **);
+ /* We orphan the old argv, since we don't know where it's come from,
+ * so we don't know how to free it.
+ */
+ *argcp++; argvp = newap;
+ }
+ else { /* Did user explicitly request tainting? */
+ int i;
+ char *cp, **av = *argvp;
+ for (i = 1; i < *argcp; i++) {
+ if (*av[i] != '-') break;
+ for (cp = av[i]+1; *cp; cp++) {
+ if (*cp == 'T') { will_taint = 1; break; }
+ else if ( (*cp == 'd' || *cp == 'V') && *(cp+1) == ':' ||
+ strchr("DFIiMmx",*cp)) break;
+ }
+ if (will_taint) break;
+ }
+ }
+
+ for (tabidx = 0;
+ len = my_trnlnm("PERL_ENV_TABLES",eqv,tabidx);
+ tabidx++) {
+ if (!tabidx) New(1321,tabvec,tabct,struct dsc$descriptor_s *);
+ else if (tabidx >= tabct) {
+ tabct += 8;
+ Renew(tabvec,tabct,struct dsc$descriptor_s *);
+ }
+ New(1322,tabvec[tabidx],1,struct dsc$descriptor_s);
+ tabvec[tabidx]->dsc$w_length = 0;
+ tabvec[tabidx]->dsc$b_dtype = DSC$K_DTYPE_T;
+ tabvec[tabidx]->dsc$b_class = DSC$K_CLASS_D;
+ tabvec[tabidx]->dsc$a_pointer = NULL;
+ _ckvmssts(lib$scopy_r_dx(&len,eqv,tabvec[tabidx]));
+ }
+ if (tabidx) { tabvec[tabidx] = NULL; env_tables = tabvec; }
+
+ getredirection(argcp,argvp);
+#if defined(USE_THREADS) && defined(__DECC)
+ {
+# include <reentrancy.h>
+ (void) decc$set_reentrancy(C$C_MULTITHREAD);
+ }
+#endif
+ return;
+}
+/*}}}*/
+
+
/* trim_unixpath()
* Trim Unix-style prefix off filespec, so it looks like what a shell
* glob expansion would return (i.e. from specified prefix on, not
* of whether input filespec was VMS-style or Unix-style.
*
* fspec is filespec to be trimmed, and wildspec is wildcard spec used to
- * determine prefix (both may be in VMS or Unix syntax).
+ * determine prefix (both may be in VMS or Unix syntax). opts is a bit
+ * vector of options; at present, only bit 0 is used, and if set tells
+ * trim unixpath to try the current default directory as a prefix when
+ * presented with a possibly ambiguous ... wildcard.
*
* Returns !=0 on success, with trimmed filespec replacing contents of
* fspec, and 0 on failure, with contents of fpsec unchanged.
*/
-/*{{{int trim_unixpath(char *fspec, char *wildspec)*/
+/*{{{int trim_unixpath(char *fspec, char *wildspec, int opts)*/
int
-trim_unixpath(char *fspec, char *wildspec)
+trim_unixpath(char *fspec, char *wildspec, int opts)
{
char unixified[NAM$C_MAXRSS+1], unixwild[NAM$C_MAXRSS+1],
- *template, *base, *cp1, *cp2;
- register int tmplen, reslen = 0;
+ *template, *base, *end, *cp1, *cp2;
+ register int tmplen, reslen = 0, dirs = 0;
if (!wildspec || !fspec) return 0;
if (strpbrk(wildspec,"]>:") != NULL) {
if (do_tounixspec(wildspec,unixwild,0) == NULL) return 0;
- else template = unixified;
+ else template = unixwild;
}
else template = wildspec;
if (strpbrk(fspec,"]>:") != NULL) {
return 1;
}
- /* Find prefix to template consisting of path elements without wildcards */
- if ((cp1 = strpbrk(template,"*%?")) == NULL)
- for (cp1 = template; *cp1; cp1++) ;
- else while (cp1 > template && *cp1 != '/') cp1--;
- for (cp2 = base; *cp2; cp2++) ; /* Find end of resultant filespec */
-
- /* Wildcard was in first element, so we don't have a reliable string to
- * match against. Guess where to trim resultant filespec by counting
- * directory levels in the Unix template. (We could do this instead of
- * string matching in all cases, since Unix doesn't have a ... wildcard
- * that can expand into multiple levels of subdirectory, but we try for
- * the string match so our caller can interpret foo/.../bar.* as
- * [.foo...]bar.* if it wants, and only get burned if there was a
- * wildcard in the first word (in which case, caveat caller). */
- if (cp1 == template) {
- int subdirs = 0;
- for ( ; *cp1; cp1++) if (*cp1 == '/') subdirs++;
- /* need to back one more '/' than in template, to pick up leading dirname */
- subdirs++;
- while (cp2 > base) {
- if (*cp2 == '/') subdirs--;
- if (!subdirs) break; /* quit without decrement when we hit last '/' */
- cp2--;
- }
- /* ran out of directories on resultant; allow for already trimmed
- * resultant, which hits start of string looking for leading '/' */
- if (subdirs && (cp2 != base || subdirs != 1)) return 0;
- /* Move past leading '/', if there is one */
- base = cp2 + (*cp2 == '/' ? 1 : 0);
- tmplen = strlen(base);
- if (reslen && tmplen > reslen) return 0; /* not enough space */
- memmove(fspec,base,tmplen+1); /* copy result to fspec, with trailing NUL */
+ for (end = base; *end; end++) ; /* Find end of resultant filespec */
+ if ((cp1 = strstr(template,".../")) == NULL) { /* No ...; just count elts */
+ for (cp1 = template; *cp1; cp1++) if (*cp1 == '/') dirs++;
+ for (cp1 = end ;cp1 >= base; cp1--)
+ if ((*cp1 == '/') && !dirs--) /* postdec so we get front of rel path */
+ { cp1++; break; }
+ if (cp1 != fspec) memmove(fspec,cp1, end - cp1 + 1);
return 1;
}
- /* We have a prefix string of complete directory names, so we
- * try to find it on the resultant filespec */
- else {
- tmplen = cp1 - template;
- if (!memcmp(base,template,tmplen)) { /* Nothing before prefix; we're done */
- if (reslen) { /* we converted to Unix syntax; copy result over */
- tmplen = cp2 - base;
- if (tmplen > reslen) return 0; /* not enough space */
- memmove(fspec,base,tmplen+1); /* Copy trimmed spec + trailing NUL */
+ else {
+ char tpl[NAM$C_MAXRSS+1], lcres[NAM$C_MAXRSS+1];
+ char *front, *nextell, *lcend, *lcfront, *ellipsis = cp1;
+ int ells = 1, totells, segdirs, match;
+ struct dsc$descriptor_s wilddsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, tpl},
+ resdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
+
+ while ((cp1 = strstr(ellipsis+4,".../")) != NULL) {ellipsis = cp1; ells++;}
+ totells = ells;
+ for (cp1 = ellipsis+4; *cp1; cp1++) if (*cp1 == '/') dirs++;
+ if (ellipsis == template && opts & 1) {
+ /* Template begins with an ellipsis. Since we can't tell how many
+ * directory names at the front of the resultant to keep for an
+ * arbitrary starting point, we arbitrarily choose the current
+ * default directory as a starting point. If it's there as a prefix,
+ * clip it off. If not, fall through and act as if the leading
+ * ellipsis weren't there (i.e. return shortest possible path that
+ * could match template).
+ */
+ if (getcwd(tpl, sizeof tpl,0) == NULL) return 0;
+ for (cp1 = tpl, cp2 = base; *cp1 && *cp2; cp1++,cp2++)
+ if (_tolower(*cp1) != _tolower(*cp2)) break;
+ segdirs = dirs - totells; /* Min # of dirs we must have left */
+ for (front = cp2+1; *front; front++) if (*front == '/') segdirs--;
+ if (*cp1 == '\0' && *cp2 == '/' && segdirs < 1) {
+ memcpy(fspec,cp2+1,end - cp2);
+ return 1;
}
- return 1;
}
- for ( ; cp2 - base > tmplen; base++) {
- if (*base != '/') continue;
- if (!memcmp(base + 1,template,tmplen)) break;
+ /* First off, back up over constant elements at end of path */
+ if (dirs) {
+ for (front = end ; front >= base; front--)
+ if (*front == '/' && !dirs--) { front++; break; }
}
-
- if (cp2 - base == tmplen) return 0; /* Not there - not good */
- base++; /* Move past leading '/' */
- if (reslen && cp2 - base > reslen) return 0; /* not enough space */
- /* Copy down remaining portion of filespec, including trailing NUL */
- memmove(fspec,base,cp2 - base + 1);
+ for (cp1=template,cp2=lcres; *cp1 && cp2 <= lcres + sizeof lcres;
+ cp1++,cp2++) *cp2 = _tolower(*cp1); /* Make lc copy for match */
+ if (cp1 != '\0') return 0; /* Path too long. */
+ lcend = cp2;
+ *cp2 = '\0'; /* Pick up with memcpy later */
+ lcfront = lcres + (front - base);
+ /* Now skip over each ellipsis and try to match the path in front of it. */
+ while (ells--) {
+ for (cp1 = ellipsis - 2; cp1 >= template; cp1--)
+ if (*(cp1) == '.' && *(cp1+1) == '.' &&
+ *(cp1+2) == '.' && *(cp1+3) == '/' ) break;
+ if (cp1 < template) break; /* template started with an ellipsis */
+ if (cp1 + 4 == ellipsis) { /* Consecutive ellipses */
+ ellipsis = cp1; continue;
+ }
+ wilddsc.dsc$w_length = resdsc.dsc$w_length = ellipsis - 1 - cp1;
+ nextell = cp1;
+ for (segdirs = 0, cp2 = tpl;
+ cp1 <= ellipsis - 1 && cp2 <= tpl + sizeof tpl;
+ cp1++, cp2++) {
+ if (*cp1 == '?') *cp2 = '%'; /* Substitute VMS' wildcard for Unix' */
+ else *cp2 = _tolower(*cp1); /* else lowercase for match */
+ if (*cp2 == '/') segdirs++;
+ }
+ if (cp1 != ellipsis - 1) return 0; /* Path too long */
+ /* Back up at least as many dirs as in template before matching */
+ for (cp1 = lcfront - 1; segdirs && cp1 >= lcres; cp1--)
+ if (*cp1 == '/' && !segdirs--) { cp1++; break; }
+ for (match = 0; cp1 > lcres;) {
+ resdsc.dsc$a_pointer = cp1;
+ if (str$match_wild(&wilddsc,&resdsc) == STR$_MATCH) {
+ match++;
+ if (match == 1) lcfront = cp1;
+ }
+ for ( ; cp1 >= lcres; cp1--) if (*cp1 == '/') { cp1++; break; }
+ }
+ if (!match) return 0; /* Can't find prefix ??? */
+ if (match > 1 && opts & 1) {
+ /* This ... wildcard could cover more than one set of dirs (i.e.
+ * a set of similar dir names is repeated). If the template
+ * contains more than 1 ..., upstream elements could resolve the
+ * ambiguity, but it's not worth a full backtracking setup here.
+ * As a quick heuristic, clip off the current default directory
+ * if it's present to find the trimmed spec, else use the
+ * shortest string that this ... could cover.
+ */
+ char def[NAM$C_MAXRSS+1], *st;
+
+ if (getcwd(def, sizeof def,0) == NULL) return 0;
+ for (cp1 = def, cp2 = base; *cp1 && *cp2; cp1++,cp2++)
+ if (_tolower(*cp1) != _tolower(*cp2)) break;
+ segdirs = dirs - totells; /* Min # of dirs we must have left */
+ for (st = cp2+1; *st; st++) if (*st == '/') segdirs--;
+ if (*cp1 == '\0' && *cp2 == '/') {
+ memcpy(fspec,cp2+1,end - cp2);
+ return 1;
+ }
+ /* Nope -- stick with lcfront from above and keep going. */
+ }
+ }
+ memcpy(fspec,base + (lcfront - lcres), lcend - lcfront + 1);
return 1;
+ ellipsis = nextell;
}
} /* end of trim_unixpath() */
/*
* VMS readdir() routines.
* Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
- * This code has no copyright.
*
- * 21-Jul-1994 Charles Bailey bailey@genetics.upenn.edu
+ * 21-Jul-1994 Charles Bailey bailey@newman.upenn.edu
* Minor modifications to original routines.
*/
{
DIR *dd;
char dir[NAM$C_MAXRSS+1];
-
- /* Get memory for the handle, and the pattern. */
- New(7006,dd,1,DIR);
+ Stat_t sb;
+
if (do_tovmspath(name,dir,0) == NULL) {
- Safefree((char *)dd);
- return(NULL);
+ return NULL;
+ }
+ if (flex_stat(dir,&sb) == -1) return NULL;
+ if (!S_ISDIR(sb.st_mode)) {
+ set_errno(ENOTDIR); set_vaxc_errno(RMS$_DIR);
+ return NULL;
+ }
+ if (!cando_by_name(S_IRUSR,0,dir)) {
+ set_errno(EACCES); set_vaxc_errno(RMS$_PRV);
+ return NULL;
}
- New(7007,dd->pattern,strlen(dir)+sizeof "*.*" + 1,char);
+ /* Get memory for the handle, and the pattern. */
+ New(1306,dd,1,DIR);
+ New(1307,dd->pattern,strlen(dir)+sizeof "*.*" + 1,char);
/* Fill in the fields; mainly playing with the descriptor. */
(void)sprintf(dd->pattern, "%s*.*",dir);
/* Add the version wildcard, ignoring the "*.*" put on before */
i = strlen(dd->pattern);
- New(7008,text,i + e->d_namlen + 3,char);
+ New(1308,text,i + e->d_namlen + 3,char);
(void)strcpy(text, dd->pattern);
(void)sprintf(&text[i - 3], "%s;*", e->d_name);
dd->count++;
/* Force the buffer to end with a NUL, and downcase name to match C convention. */
buff[sizeof buff - 1] = '\0';
- for (p = buff; !isspace(*p); p++) *p = _tolower(*p);
+ for (p = buff; *p; p++) *p = _tolower(*p);
+ while (--p >= buff) if (!isspace(*p)) break; /* Do we really need this? */
*p = '\0';
/* Skip any directory component and just copy the name. */
* in 'VMSish fashion' (i.e. not after a call to vfork) The args
* are concatenated to form a DCL command string. If the first arg
* begins with '$' (i.e. the perl script had "\$ Type" or some such),
- * the the command string is hrnded off to DCL directly. Otherwise,
+ * the the command string is handed off to DCL directly. Otherwise,
* the first token of the command is taken as the filespec of an image
* to run. The filespec is expanded using a default type of '.EXE' and
- * the process defaults for device, directory, etc., and the resultant
+ * the process defaults for device, directory, etc., and if found, the resultant
* filespec is invoked using the DCL verb 'MCR', and passed the rest of
- * the command string as parameters. This is perhaps a bit compicated,
+ * the command string as parameters. This is perhaps a bit complicated,
* but I hope it will form a happy medium between what VMS folks expect
* from lib$spawn and what Unix folks expect from exec.
*/
static void
vms_execfree() {
- if (Cmd) {
- Safefree(Cmd);
- Cmd = Nullch;
+ if (PL_Cmd) {
+ Safefree(PL_Cmd);
+ PL_Cmd = Nullch;
}
if (VMScmd.dsc$a_pointer) {
Safefree(VMScmd.dsc$a_pointer);
static char *
setup_argstr(SV *really, SV **mark, SV **sp)
{
+ dTHR;
char *junk, *tmps = Nullch;
register size_t cmdlen = 0;
size_t rlen;
register SV **idx;
+ STRLEN n_a;
idx = mark;
if (really) {
cmdlen += rlen ? rlen + 1 : 0;
}
}
- New(401,Cmd,cmdlen+1,char);
+ New(401,PL_Cmd,cmdlen+1,char);
if (tmps && *tmps) {
- strcpy(Cmd,tmps);
+ strcpy(PL_Cmd,tmps);
mark++;
}
- else *Cmd = '\0';
+ else *PL_Cmd = '\0';
while (++mark <= sp) {
if (*mark) {
- strcat(Cmd," ");
- strcat(Cmd,SvPVx(*mark,na));
+ char *s = SvPVx(*mark,n_a);
+ if (!*s) continue;
+ if (*PL_Cmd) strcat(PL_Cmd," ");
+ strcat(PL_Cmd,s);
}
}
- return Cmd;
+ return PL_Cmd;
} /* end of setup_argstr() */
$DESCRIPTOR(defdsc,".EXE");
$DESCRIPTOR(resdsc,resspec);
struct dsc$descriptor_s imgdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
- unsigned long int cxt = 0, flags = 1, retsts;
+ unsigned long int cxt = 0, flags = 1, retsts = SS$_NORMAL;
register char *s, *rest, *cp;
register int isdcl = 0;
}
}
else isdcl = 1;
- if (isdcl) { /* It's a DCL command, just do it. */
- VMScmd.dsc$w_length = strlen(cmd);
- if (cmd == Cmd) {
- VMScmd.dsc$a_pointer = Cmd;
- Cmd = Nullch; /* Don't try to free twice in vms_execfree() */
- }
- else VMScmd.dsc$a_pointer = savepvn(cmd,VMScmd.dsc$w_length);
- }
- else { /* assume first token is an image spec */
+ if (!isdcl) {
cmd = s;
while (*s && !isspace(*s)) s++;
rest = *s ? s : 0;
imgdsc.dsc$a_pointer = cmd;
imgdsc.dsc$w_length = s - cmd;
retsts = lib$find_file(&imgdsc,&resdsc,&cxt,&defdsc,0,0,&flags);
- if (!(retsts & 1)) {
- /* just hand off status values likely to be due to user error */
- if (retsts == RMS$_FNF || retsts == RMS$_DNF ||
- retsts == RMS$_DEV || retsts == RMS$_DIR || retsts == RMS$_SYN ||
- (retsts & STS$M_CODE) == (SHR$_NOWILD & STS$M_CODE)) return retsts;
- else { _ckvmssts(retsts); }
- }
- else {
+ if (retsts & 1) {
_ckvmssts(lib$find_file_end(&cxt));
s = resspec;
while (*s && !isspace(*s)) s++;
*s = '\0';
- New(402,VMScmd.dsc$a_pointer,7 + s - resspec + (rest ? strlen(rest) : 0),char);
- strcpy(VMScmd.dsc$a_pointer,"$ MCR ");
- strcat(VMScmd.dsc$a_pointer,resspec);
- if (rest) strcat(VMScmd.dsc$a_pointer,rest);
- VMScmd.dsc$w_length = strlen(VMScmd.dsc$a_pointer);
+ if (cando_by_name(S_IXUSR,0,resspec)) {
+ New(402,VMScmd.dsc$a_pointer,7 + s - resspec + (rest ? strlen(rest) : 0),char);
+ strcpy(VMScmd.dsc$a_pointer,"$ MCR ");
+ strcat(VMScmd.dsc$a_pointer,resspec);
+ if (rest) strcat(VMScmd.dsc$a_pointer,rest);
+ VMScmd.dsc$w_length = strlen(VMScmd.dsc$a_pointer);
+ return retsts;
+ }
+ else retsts = RMS$_PRV;
}
}
+ /* It's either a DCL command or we couldn't find a suitable image */
+ VMScmd.dsc$w_length = strlen(cmd);
+ if (cmd == PL_Cmd) {
+ VMScmd.dsc$a_pointer = PL_Cmd;
+ PL_Cmd = Nullch; /* Don't try to free twice in vms_execfree() */
+ }
+ else VMScmd.dsc$a_pointer = savepvn(cmd,VMScmd.dsc$w_length);
+ if (!(retsts & 1)) {
+ /* just hand off status values likely to be due to user error */
+ if (retsts == RMS$_FNF || retsts == RMS$_DNF || retsts == RMS$_PRV ||
+ retsts == RMS$_DEV || retsts == RMS$_DIR || retsts == RMS$_SYN ||
+ (retsts & STS$M_CODE) == (SHR$_NOWILD & STS$M_CODE)) return retsts;
+ else { _ckvmssts(retsts); }
+ }
- return (VMScmd.dsc$w_length > 255 ? CLI$_BUFOVF : SS$_NORMAL);
+ return (VMScmd.dsc$w_length > 255 ? CLI$_BUFOVF : retsts);
} /* end of setup_cmddsc() */
bool
vms_do_aexec(SV *really,SV **mark,SV **sp)
{
+ dTHR;
if (sp > mark) {
if (vfork_called) { /* this follows a vfork - act Unixish */
vfork_called--;
{ /* no vfork - act VMSish */
unsigned long int retsts;
+ TAINT_ENV();
+ TAINT_PROPER("exec");
if ((retsts = setup_cmddsc(cmd,1)) & 1)
retsts = lib$do_command(&VMScmd);
- set_errno(EVMSERR);
+ switch (retsts) {
+ case RMS$_FNF:
+ set_errno(ENOENT); break;
+ case RMS$_DNF: case RMS$_DIR: case RMS$_DEV:
+ set_errno(ENOTDIR); break;
+ case RMS$_PRV:
+ set_errno(EACCES); break;
+ case RMS$_SYN:
+ set_errno(EINVAL); break;
+ case CLI$_BUFOVF:
+ set_errno(E2BIG); break;
+ case LIB$_INVARG: case LIB$_INVSTRDES: case SS$_ACCVIO: /* shouldn't happen */
+ _ckvmssts(retsts); /* fall through */
+ default: /* SS$_DUPLNAM, SS$_CLI, resource exhaustion, etc. */
+ set_errno(EVMSERR);
+ }
set_vaxc_errno(retsts);
- if (dowarn)
- warn("Can't exec \"%s\": %s", VMScmd.dsc$a_pointer, Strerror(errno));
+ if (ckWARN(WARN_EXEC)) {
+ warner(WARN_EXEC,"Can't exec \"%*s\": %s",
+ VMScmd.dsc$w_length, VMScmd.dsc$a_pointer, Strerror(errno));
+ }
vms_execfree();
}
unsigned long int do_spawn(char *);
-/* {{{ unsigned long int do_aspawn(SV *really,SV **mark,SV **sp) */
+/* {{{ unsigned long int do_aspawn(void *really,void **mark,void **sp) */
unsigned long int
-do_aspawn(SV *really,SV **mark,SV **sp)
+do_aspawn(void *really,void **mark,void **sp)
{
- if (sp > mark) return do_spawn(setup_argstr(really,mark,sp));
+ dTHR;
+ if (sp > mark) return do_spawn(setup_argstr((SV *)really,(SV **)mark,(SV **)sp));
return SS$_ABORT;
} /* end of do_aspawn() */
unsigned long int
do_spawn(char *cmd)
{
- unsigned long int substs, hadcmd = 1;
+ unsigned long int sts, substs, hadcmd = 1;
+ TAINT_ENV();
+ TAINT_PROPER("spawn");
if (!cmd || !*cmd) {
hadcmd = 0;
- _ckvmssts(lib$spawn(0,0,0,0,0,0,&substs,0,0,0,0,0,0));
+ sts = lib$spawn(0,0,0,0,0,0,&substs,0,0,0,0,0,0);
}
- else if ((substs = setup_cmddsc(cmd,0)) & 1) {
- _ckvmssts(lib$spawn(&VMScmd,0,0,0,0,0,&substs,0,0,0,0,0,0));
+ else if ((sts = setup_cmddsc(cmd,0)) & 1) {
+ sts = lib$spawn(&VMScmd,0,0,0,0,0,&substs,0,0,0,0,0,0);
}
- if (!(substs&1)) {
- set_errno(EVMSERR);
- set_vaxc_errno(substs);
- if (dowarn)
- warn("Can't spawn \"%s\": %s",
- hadcmd ? VMScmd.dsc$a_pointer : "", Strerror(errno));
+ if (!(sts & 1)) {
+ switch (sts) {
+ case RMS$_FNF:
+ set_errno(ENOENT); break;
+ case RMS$_DNF: case RMS$_DIR: case RMS$_DEV:
+ set_errno(ENOTDIR); break;
+ case RMS$_PRV:
+ set_errno(EACCES); break;
+ case RMS$_SYN:
+ set_errno(EINVAL); break;
+ case CLI$_BUFOVF:
+ set_errno(E2BIG); break;
+ case LIB$_INVARG: case LIB$_INVSTRDES: case SS$_ACCVIO: /* shouldn't happen */
+ _ckvmssts(sts); /* fall through */
+ default: /* SS$_DUPLNAM, SS$_CLI, resource exhaustion, etc. */
+ set_errno(EVMSERR);
+ }
+ set_vaxc_errno(sts);
+ if (ckWARN(WARN_EXEC)) {
+ warner(WARN_EXEC,"Can't spawn \"%*s\": %s",
+ hadcmd ? VMScmd.dsc$w_length : 0,
+ hadcmd ? VMScmd.dsc$a_pointer : "",
+ Strerror(errno));
+ }
}
vms_execfree();
return substs;
} /* end of my_fwrite() */
/*}}}*/
+/*{{{ int my_flush(FILE *fp)*/
+int
+my_flush(FILE *fp)
+{
+ int res;
+ if ((res = fflush(fp)) == 0) {
+#ifdef VMS_DO_SOCKETS
+ Stat_t s;
+ if (Fstat(fileno(fp), &s) == 0 && !S_ISSOCK(s.st_mode))
+#endif
+ res = fsync(fileno(fp));
+ }
+ return res;
+}
+/*}}}*/
+
/*
* Here are replacements for the following Unix routines in the VMS environment:
* getpwuid Get information for a particular UIC or UID
{
struct dsc$descriptor_s name_desc;
union uicdef uic;
- unsigned long int status, stat;
+ unsigned long int status, sts;
__pwdcache = __passwd_empty;
if (!fillpasswd(name, &__pwdcache)) {
name_desc.dsc$b_dtype= DSC$K_DTYPE_T;
name_desc.dsc$b_class= DSC$K_CLASS_S;
name_desc.dsc$a_pointer= (char *) name;
- if ((stat = sys$asctoid(&name_desc, &uic, 0)) == SS$_NORMAL) {
+ if ((sts = sys$asctoid(&name_desc, &uic, 0)) == SS$_NORMAL) {
__pwdcache.pw_uid= uic.uic$l_uic;
__pwdcache.pw_gid= uic.uic$v_group;
}
else {
- if (stat == SS$_NOSUCHID || stat == SS$_IVIDENT || stat == RMS$_PRV) {
- set_vaxc_errno(stat);
- set_errno(stat == RMS$_PRV ? EACCES : EINVAL);
+ if (sts == SS$_NOSUCHID || sts == SS$_IVIDENT || sts == RMS$_PRV) {
+ set_vaxc_errno(sts);
+ set_errno(sts == RMS$_PRV ? EACCES : EINVAL);
return NULL;
}
- else { _ckvmssts(stat); }
+ else { _ckvmssts(sts); }
}
}
strncpy(__pw_namecache, name, sizeof(__pw_namecache));
else {
uic.uic$l_uic= uid;
if (!uic.uic$v_group)
- uic.uic$v_group= getgid();
+ uic.uic$v_group= PerlProc_getgid();
if (valid_uic(uic))
status = sys$idtoasc(uic.uic$l_uic, &lname, &name_desc, 0, 0, 0);
else status = SS$_IVIDENT;
contxt= 0;
}
}
-/*}}}*/
+/*}}}*/
+
+#ifdef HOMEGROWN_POSIX_SIGNALS
+ /* Signal handling routines, pulled into the core from POSIX.xs.
+ *
+ * We need these for threads, so they've been rolled into the core,
+ * rather than left in POSIX.xs.
+ *
+ * (DRS, Oct 23, 1997)
+ */
+
+ /* sigset_t is atomic under VMS, so these routines are easy */
+/*{{{int my_sigemptyset(sigset_t *) */
+int my_sigemptyset(sigset_t *set) {
+ if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; }
+ *set = 0; return 0;
+}
+/*}}}*/
+
+
+/*{{{int my_sigfillset(sigset_t *)*/
+int my_sigfillset(sigset_t *set) {
+ int i;
+ if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; }
+ for (i = 0; i < NSIG; i++) *set |= (1 << i);
+ return 0;
+}
+/*}}}*/
+
+
+/*{{{int my_sigaddset(sigset_t *set, int sig)*/
+int my_sigaddset(sigset_t *set, int sig) {
+ if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; }
+ if (sig > NSIG) { SETERRNO(EINVAL,LIB$_INVARG); return -1; }
+ *set |= (1 << (sig - 1));
+ return 0;
+}
+/*}}}*/
+
+
+/*{{{int my_sigdelset(sigset_t *set, int sig)*/
+int my_sigdelset(sigset_t *set, int sig) {
+ if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; }
+ if (sig > NSIG) { SETERRNO(EINVAL,LIB$_INVARG); return -1; }
+ *set &= ~(1 << (sig - 1));
+ return 0;
+}
+/*}}}*/
+
+
+/*{{{int my_sigismember(sigset_t *set, int sig)*/
+int my_sigismember(sigset_t *set, int sig) {
+ if (!set) { SETERRNO(EFAULT,SS$_ACCVIO); return -1; }
+ if (sig > NSIG) { SETERRNO(EINVAL,LIB$_INVARG); return -1; }
+ *set & (1 << (sig - 1));
+}
+/*}}}*/
+
+
+/*{{{int my_sigprocmask(int how, sigset_t *set, sigset_t *oset)*/
+int my_sigprocmask(int how, sigset_t *set, sigset_t *oset) {
+ sigset_t tempmask;
+
+ /* If set and oset are both null, then things are badly wrong. Bail out. */
+ if ((oset == NULL) && (set == NULL)) {
+ set_errno(EFAULT); set_vaxc_errno(SS$_ACCVIO);
+ return -1;
+ }
+
+ /* If set's null, then we're just handling a fetch. */
+ if (set == NULL) {
+ tempmask = sigblock(0);
+ }
+ else {
+ switch (how) {
+ case SIG_SETMASK:
+ tempmask = sigsetmask(*set);
+ break;
+ case SIG_BLOCK:
+ tempmask = sigblock(*set);
+ break;
+ case SIG_UNBLOCK:
+ tempmask = sigblock(0);
+ sigsetmask(*oset & ~tempmask);
+ break;
+ default:
+ set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
+ return -1;
+ }
+ }
+
+ /* Did they pass us an oset? If so, stick our holding mask into it */
+ if (oset)
+ *oset = tempmask;
+
+ return 0;
+}
+/*}}}*/
+#endif /* HOMEGROWN_POSIX_SIGNALS */
+
+
+/* Used for UTC calculation in my_gmtime(), my_localtime(), my_time(),
+ * my_utime(), and flex_stat(), all of which operate on UTC unless
+ * VMSISH_TIMES is true.
+ */
+/* method used to handle UTC conversions:
+ * 1 == CRTL gmtime(); 2 == SYS$TIMEZONE_DIFFERENTIAL; 3 == no correction
+ */
+static int gmtime_emulation_type;
+/* number of secs to add to UTC POSIX-style time to get local time */
+static long int utc_offset_secs;
+
+/* We #defined 'gmtime', 'localtime', and 'time' as 'my_gmtime' etc.
+ * in vmsish.h. #undef them here so we can call the CRTL routines
+ * directly.
+ */
+#undef gmtime
+#undef localtime
+#undef time
+
+#if defined(__VMS_VER) && __VMS_VER >= 70000000 && __DECC_VER >= 50200000
+# define RTL_USES_UTC 1
+#endif
+
+static time_t toutc_dst(time_t loc) {
+ struct tm *rsltmp;
+
+ if ((rsltmp = localtime(&loc)) == NULL) return -1;
+ loc -= utc_offset_secs;
+ if (rsltmp->tm_isdst) loc -= 3600;
+ return loc;
+}
+#define _toutc(secs) ((secs) == -1 ? -1 : \
+ ((gmtime_emulation_type || my_time(NULL)), \
+ (gmtime_emulation_type == 1 ? toutc_dst(secs) : \
+ ((secs) - utc_offset_secs))))
+
+static time_t toloc_dst(time_t utc) {
+ struct tm *rsltmp;
+
+ utc += utc_offset_secs;
+ if ((rsltmp = localtime(&utc)) == NULL) return -1;
+ if (rsltmp->tm_isdst) utc += 3600;
+ return utc;
+}
+#define _toloc(secs) ((secs) == -1 ? -1 : \
+ ((gmtime_emulation_type || my_time(NULL)), \
+ (gmtime_emulation_type == 1 ? toloc_dst(secs) : \
+ ((secs) + utc_offset_secs))))
-/* my_gmtime
- * If the CRTL has a real gmtime(), use it, else look for the logical
- * name SYS$TIMEZONE_DIFFERENTIAL used by the native UTC routines on
- * VMS >= 6.0. Can be manually defined under earlier versions of VMS
- * to translate to the number of seconds which must be added to UTC
- * to get to the local time of the system.
+/* my_time(), my_localtime(), my_gmtime()
+ * By default traffic in UTC time values, using CRTL gmtime() or
+ * SYS$TIMEZONE_DIFFERENTIAL to determine offset from local time zone.
+ * Note: We need to use these functions even when the CRTL has working
+ * UTC support, since they also handle C<use vmsish qw(times);>
+ *
* Contributed by Chuck Lane <lane@duphy4.physics.drexel.edu>
+ * Modified by Charles Bailey <bailey@newman.upenn.edu>
*/
-/*{{{struct tm *my_gmtime(const time_t *time)*/
-/* We #defined 'gmtime' as 'my_gmtime' in vmsish.h. #undef it here
- * so we can call the CRTL's routine to see if it works.
- */
-#undef gmtime
-struct tm *
-my_gmtime(const time_t *time)
+/*{{{time_t my_time(time_t *timep)*/
+time_t my_time(time_t *timep)
{
- static int gmtime_emulation_type;
- static time_t utc_offset_secs;
- char *p;
+ dTHR;
time_t when;
+ struct tm *tm_p;
if (gmtime_emulation_type == 0) {
+ int dstnow;
+ time_t base = 15 * 86400; /* 15jan71; to avoid month/year ends between */
+ /* results of calls to gmtime() and localtime() */
+ /* for same &base */
+
gmtime_emulation_type++;
- when = 300000000;
- if (gmtime(&when) == NULL) { /* CRTL gmtime() is just a stub */
+ if ((tm_p = gmtime(&base)) == NULL) { /* CRTL gmtime() is a fake */
+ char off[LNM$C_NAMLENGTH+1];;
+
gmtime_emulation_type++;
- if ((p = my_getenv("SYS$TIMEZONE_DIFFERENTIAL")) == NULL)
+ if (!vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) {
gmtime_emulation_type++;
- else
- utc_offset_secs = (time_t) atol(p);
+ warn("no UTC offset information; assuming local time is UTC");
+ }
+ else { utc_offset_secs = atol(off); }
+ }
+ else { /* We've got a working gmtime() */
+ struct tm gmt, local;
+
+ gmt = *tm_p;
+ tm_p = localtime(&base);
+ local = *tm_p;
+ utc_offset_secs = (local.tm_mday - gmt.tm_mday) * 86400;
+ utc_offset_secs += (local.tm_hour - gmt.tm_hour) * 3600;
+ utc_offset_secs += (local.tm_min - gmt.tm_min) * 60;
+ utc_offset_secs += (local.tm_sec - gmt.tm_sec);
}
}
- switch (gmtime_emulation_type) {
- case 1:
- return gmtime(time);
- case 2:
- when = *time - utc_offset_secs;
- return localtime(&when);
- default:
- warn("gmtime not supported on this system");
- return NULL;
+ when = time(NULL);
+# ifdef VMSISH_TIME
+# ifdef RTL_USES_UTC
+ if (VMSISH_TIME) when = _toloc(when);
+# else
+ if (!VMSISH_TIME) when = _toutc(when);
+# endif
+# endif
+ if (timep != NULL) *timep = when;
+ return when;
+
+} /* end of my_time() */
+/*}}}*/
+
+
+/*{{{struct tm *my_gmtime(const time_t *timep)*/
+struct tm *
+my_gmtime(const time_t *timep)
+{
+ dTHR;
+ char *p;
+ time_t when;
+ struct tm *rsltmp;
+
+ if (timep == NULL) {
+ set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
+ return NULL;
}
+ if (*timep == 0) gmtime_emulation_type = 0; /* possibly reset TZ */
+
+ when = *timep;
+# ifdef VMSISH_TIME
+ if (VMSISH_TIME) when = _toutc(when); /* Input was local time */
+# endif
+# ifdef RTL_USES_UTC /* this implies that the CRTL has a working gmtime() */
+ return gmtime(&when);
+# else
+ /* CRTL localtime() wants local time as input, so does no tz correction */
+ rsltmp = localtime(&when);
+ if (rsltmp) rsltmp->tm_isdst = 0; /* We already took DST into account */
+ return rsltmp;
+#endif
} /* end of my_gmtime() */
-/* Reset definition for later calls */
-#define gmtime(t) my_gmtime(t)
/*}}}*/
+/*{{{struct tm *my_localtime(const time_t *timep)*/
+struct tm *
+my_localtime(const time_t *timep)
+{
+ dTHR;
+ time_t when;
+ struct tm *rsltmp;
+
+ if (timep == NULL) {
+ set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
+ return NULL;
+ }
+ if (*timep == 0) gmtime_emulation_type = 0; /* possibly reset TZ */
+ if (gmtime_emulation_type == 0) (void) my_time(NULL); /* Init UTC */
+
+ when = *timep;
+# ifdef RTL_USES_UTC
+# ifdef VMSISH_TIME
+ if (VMSISH_TIME) when = _toutc(when);
+# endif
+ /* CRTL localtime() wants UTC as input, does tz correction itself */
+ return localtime(&when);
+# else
+# ifdef VMSISH_TIME
+ if (!VMSISH_TIME) when = _toloc(when); /* Input was UTC */
+# endif
+# endif
+ /* CRTL localtime() wants local time as input, so does no tz correction */
+ rsltmp = localtime(&when);
+ if (rsltmp && gmtime_emulation_type != 1) rsltmp->tm_isdst = -1;
+ return rsltmp;
+
+} /* end of my_localtime() */
+/*}}}*/
+
+/* Reset definitions for later calls */
+#define gmtime(t) my_gmtime(t)
+#define localtime(t) my_localtime(t)
+#define time(t) my_time(t)
+
+
+/* my_utime - update modification time of a file
+ * calling sequence is identical to POSIX utime(), but under
+ * VMS only the modification time is changed; ODS-2 does not
+ * maintain access times. Restrictions differ from the POSIX
+ * definition in that the time can be changed as long as the
+ * caller has permission to execute the necessary IO$_MODIFY $QIO;
+ * no separate checks are made to insure that the caller is the
+ * owner of the file or has special privs enabled.
+ * Code here is based on Joe Meadows' FILE utility.
+ */
+
+/* Adjustment from Unix epoch (01-JAN-1970 00:00:00.00)
+ * to VMS epoch (01-JAN-1858 00:00:00.00)
+ * in 100 ns intervals.
+ */
+static const long int utime_baseadjust[2] = { 0x4beb4000, 0x7c9567 };
+
+/*{{{int my_utime(char *path, struct utimbuf *utimes)*/
+int my_utime(char *file, struct utimbuf *utimes)
+{
+ dTHR;
+ register int i;
+ long int bintime[2], len = 2, lowbit, unixtime,
+ secscale = 10000000; /* seconds --> 100 ns intervals */
+ unsigned long int chan, iosb[2], retsts;
+ char vmsspec[NAM$C_MAXRSS+1], rsa[NAM$C_MAXRSS], esa[NAM$C_MAXRSS];
+ struct FAB myfab = cc$rms_fab;
+ struct NAM mynam = cc$rms_nam;
+#if defined (__DECC) && defined (__VAX)
+ /* VAX DEC C atrdef.h has unsigned type for pointer member atr$l_addr,
+ * at least through VMS V6.1, which causes a type-conversion warning.
+ */
+# pragma message save
+# pragma message disable cvtdiftypes
+#endif
+ struct atrdef myatr[2] = {{sizeof bintime, ATR$C_REVDATE, bintime}, {0,0,0}};
+ struct fibdef myfib;
+#if defined (__DECC) && defined (__VAX)
+ /* This should be right after the declaration of myatr, but due
+ * to a bug in VAX DEC C, this takes effect a statement early.
+ */
+# pragma message restore
+#endif
+ struct dsc$descriptor fibdsc = {sizeof(myfib), DSC$K_DTYPE_Z, DSC$K_CLASS_S,(char *) &myfib},
+ devdsc = {0,DSC$K_DTYPE_T, DSC$K_CLASS_S,0},
+ fnmdsc = {0,DSC$K_DTYPE_T, DSC$K_CLASS_S,0};
+
+ if (file == NULL || *file == '\0') {
+ set_errno(ENOENT);
+ set_vaxc_errno(LIB$_INVARG);
+ return -1;
+ }
+ if (do_tovmsspec(file,vmsspec,0) == NULL) return -1;
+
+ if (utimes != NULL) {
+ /* Convert Unix time (seconds since 01-JAN-1970 00:00:00.00)
+ * to VMS quadword time (100 nsec intervals since 01-JAN-1858 00:00:00.00).
+ * Since time_t is unsigned long int, and lib$emul takes a signed long int
+ * as input, we force the sign bit to be clear by shifting unixtime right
+ * one bit, then multiplying by an extra factor of 2 in lib$emul().
+ */
+ lowbit = (utimes->modtime & 1) ? secscale : 0;
+ unixtime = (long int) utimes->modtime;
+# ifdef VMSISH_TIME
+ /* If input was UTC; convert to local for sys svc */
+ if (!VMSISH_TIME) unixtime = _toloc(unixtime);
+# endif
+ unixtime >> 1; secscale << 1;
+ retsts = lib$emul(&secscale, &unixtime, &lowbit, bintime);
+ if (!(retsts & 1)) {
+ set_errno(EVMSERR);
+ set_vaxc_errno(retsts);
+ return -1;
+ }
+ retsts = lib$addx(bintime,utime_baseadjust,bintime,&len);
+ if (!(retsts & 1)) {
+ set_errno(EVMSERR);
+ set_vaxc_errno(retsts);
+ return -1;
+ }
+ }
+ else {
+ /* Just get the current time in VMS format directly */
+ retsts = sys$gettim(bintime);
+ if (!(retsts & 1)) {
+ set_errno(EVMSERR);
+ set_vaxc_errno(retsts);
+ return -1;
+ }
+ }
+
+ myfab.fab$l_fna = vmsspec;
+ myfab.fab$b_fns = (unsigned char) strlen(vmsspec);
+ myfab.fab$l_nam = &mynam;
+ mynam.nam$l_esa = esa;
+ mynam.nam$b_ess = (unsigned char) sizeof esa;
+ mynam.nam$l_rsa = rsa;
+ mynam.nam$b_rss = (unsigned char) sizeof rsa;
+
+ /* Look for the file to be affected, letting RMS parse the file
+ * specification for us as well. I have set errno using only
+ * values documented in the utime() man page for VMS POSIX.
+ */
+ retsts = sys$parse(&myfab,0,0);
+ if (!(retsts & 1)) {
+ set_vaxc_errno(retsts);
+ if (retsts == RMS$_PRV) set_errno(EACCES);
+ else if (retsts == RMS$_DIR) set_errno(ENOTDIR);
+ else set_errno(EVMSERR);
+ return -1;
+ }
+ retsts = sys$search(&myfab,0,0);
+ if (!(retsts & 1)) {
+ set_vaxc_errno(retsts);
+ if (retsts == RMS$_PRV) set_errno(EACCES);
+ else if (retsts == RMS$_FNF) set_errno(ENOENT);
+ else set_errno(EVMSERR);
+ return -1;
+ }
+
+ devdsc.dsc$w_length = mynam.nam$b_dev;
+ devdsc.dsc$a_pointer = (char *) mynam.nam$l_dev;
+
+ retsts = sys$assign(&devdsc,&chan,0,0);
+ if (!(retsts & 1)) {
+ set_vaxc_errno(retsts);
+ if (retsts == SS$_IVDEVNAM) set_errno(ENOTDIR);
+ else if (retsts == SS$_NOPRIV) set_errno(EACCES);
+ else if (retsts == SS$_NOSUCHDEV) set_errno(ENOTDIR);
+ else set_errno(EVMSERR);
+ return -1;
+ }
+
+ fnmdsc.dsc$a_pointer = mynam.nam$l_name;
+ fnmdsc.dsc$w_length = mynam.nam$b_name + mynam.nam$b_type + mynam.nam$b_ver;
+
+ memset((void *) &myfib, 0, sizeof myfib);
+#ifdef __DECC
+ for (i=0;i<3;i++) myfib.fib$w_fid[i] = mynam.nam$w_fid[i];
+ for (i=0;i<3;i++) myfib.fib$w_did[i] = mynam.nam$w_did[i];
+ /* This prevents the revision time of the file being reset to the current
+ * time as a result of our IO$_MODIFY $QIO. */
+ myfib.fib$l_acctl = FIB$M_NORECORD;
+#else
+ for (i=0;i<3;i++) myfib.fib$r_fid_overlay.fib$w_fid[i] = mynam.nam$w_fid[i];
+ for (i=0;i<3;i++) myfib.fib$r_did_overlay.fib$w_did[i] = mynam.nam$w_did[i];
+ myfib.fib$r_acctl_overlay.fib$l_acctl = FIB$M_NORECORD;
+#endif
+ retsts = sys$qiow(0,chan,IO$_MODIFY,iosb,0,0,&fibdsc,&fnmdsc,0,0,myatr,0);
+ _ckvmssts(sys$dassgn(chan));
+ if (retsts & 1) retsts = iosb[0];
+ if (!(retsts & 1)) {
+ set_vaxc_errno(retsts);
+ if (retsts == SS$_NOPRIV) set_errno(EACCES);
+ else set_errno(EVMSERR);
+ return -1;
+ }
+
+ return 0;
+} /* end of my_utime() */
+/*}}}*/
+
/*
* flex_stat, flex_fstat
* basic stat, but gets it right when asked to stat
* on the first call.
*/
#define LOCKID_MASK 0x80000000 /* Use 0 to force device name use only */
-static dev_t encode_dev (const char *dev)
+static mydev_t encode_dev (const char *dev)
{
int i;
unsigned long int f;
- dev_t enc;
+ mydev_t enc;
char c;
const char *q;
return (*name++ == ':') && (*name != ':');
}
-/* Do the permissions allow some operation? Assumes statcache already set. */
+/* Do the permissions allow some operation? Assumes PL_statcache already set. */
/* Do this via $Check_Access on VMS, since the CRTL stat() returns only a
* subset of the applicable information.
*/
/*{{{I32 cando(I32 bit, I32 effective, struct stat *statbufp)*/
I32
-cando(I32 bit, I32 effective, struct stat *statbufp)
+cando(I32 bit, I32 effective, Stat_t *statbufp)
{
- if (statbufp == &statcache)
- return cando_by_name(bit,effective,namecache);
+ dTHR;
+ if (statbufp == &PL_statcache) return cando_by_name(bit,effective,namecache);
else {
char fname[NAM$C_MAXRSS+1];
unsigned long int retsts;
/* If the struct mystat is stale, we're OOL; stat() overwrites the
device name on successive calls */
- devdsc.dsc$a_pointer = statbufp->st_devnam;
- devdsc.dsc$w_length = strlen(statbufp->st_devnam);
+ devdsc.dsc$a_pointer = ((Stat_t *)statbufp)->st_devnam;
+ devdsc.dsc$w_length = strlen(((Stat_t *)statbufp)->st_devnam);
namdsc.dsc$a_pointer = fname;
namdsc.dsc$w_length = sizeof fname - 1;
- retsts = lib$fid_to_name(&devdsc,&(statbufp->st_ino),&namdsc,
- &namdsc.dsc$w_length,0,0);
+ retsts = lib$fid_to_name(&devdsc,&(((Stat_t *)statbufp)->st_ino),
+ &namdsc,&namdsc.dsc$w_length,0,0);
if (retsts & 1) {
fname[namdsc.dsc$w_length] = '\0';
return cando_by_name(bit,effective,fname);
}
retsts = sys$check_access(&objtyp,&namdsc,&usrdsc,armlst);
- if (retsts == SS$_NOPRIV || retsts == SS$_NOSUCHOBJECT ||
- retsts == RMS$_FNF || retsts == RMS$_DIR ||
- retsts == RMS$_DEV) {
- set_errno(retsts == SS$_NOPRIV ? EACCES : ENOENT); set_vaxc_errno(retsts);
+ if (retsts == SS$_NOPRIV || retsts == SS$_NOSUCHOBJECT ||
+ retsts == SS$_INVFILFOROP || retsts == RMS$_FNF || retsts == RMS$_SYN ||
+ retsts == RMS$_DIR || retsts == RMS$_DEV) {
+ set_vaxc_errno(retsts);
+ if (retsts == SS$_NOPRIV) set_errno(EACCES);
+ else if (retsts == SS$_INVFILFOROP) set_errno(EINVAL);
+ else set_errno(ENOENT);
return FALSE;
}
if (retsts == SS$_NORMAL) {
if ((privused & CHP$M_READALL) && !curprv.prv$v_readall) return FALSE;
return TRUE;
}
+ if (retsts == SS$_ACCONFLICT) {
+ return TRUE;
+ }
_ckvmssts(retsts);
return FALSE; /* Should never get here */
/*}}}*/
-/*{{{ int flex_fstat(int fd, struct stat *statbuf)*/
-#undef stat
+/*{{{ int flex_fstat(int fd, Stat_t *statbuf)*/
int
-flex_fstat(int fd, struct mystat *statbufp)
+flex_fstat(int fd, Stat_t *statbufp)
{
+ dTHR;
if (!fstat(fd,(stat_t *) statbufp)) {
+ if (statbufp == (Stat_t *) &PL_statcache) *namecache == '\0';
statbufp->st_dev = encode_dev(statbufp->st_devnam);
+# ifdef RTL_USES_UTC
+# ifdef VMSISH_TIME
+ if (VMSISH_TIME) {
+ statbufp->st_mtime = _toloc(statbufp->st_mtime);
+ statbufp->st_atime = _toloc(statbufp->st_atime);
+ statbufp->st_ctime = _toloc(statbufp->st_ctime);
+ }
+# endif
+# else
+# ifdef VMSISH_TIME
+ if (!VMSISH_TIME) { /* Return UTC instead of local time */
+# else
+ if (1) {
+# endif
+ statbufp->st_mtime = _toutc(statbufp->st_mtime);
+ statbufp->st_atime = _toutc(statbufp->st_atime);
+ statbufp->st_ctime = _toutc(statbufp->st_ctime);
+ }
+#endif
return 0;
}
return -1;
} /* end of flex_fstat() */
/*}}}*/
-/*{{{ int flex_stat(char *fspec, struct stat *statbufp)*/
-/* We defined 'stat' as 'mystat' in vmsish.h so that declarations of
- * 'struct stat' elsewhere in Perl would use our struct. We go back
- * to the system version here, since we're actually calling their
- * stat().
- */
+/*{{{ int flex_stat(char *fspec, Stat_t *statbufp)*/
int
-flex_stat(char *fspec, struct mystat *statbufp)
+flex_stat(char *fspec, Stat_t *statbufp)
{
+ dTHR;
char fileified[NAM$C_MAXRSS+1];
- int retval,myretval;
- struct mystat tmpbuf;
+ int retval = -1;
-
- if (statbufp == &statcache) do_tovmsspec(fspec,namecache,0);
+ if (statbufp == (Stat_t *) &PL_statcache)
+ do_tovmsspec(fspec,namecache,0);
if (is_null_device(fspec)) { /* Fake a stat() for the null device */
memset(statbufp,0,sizeof *statbufp);
statbufp->st_dev = encode_dev("_NLA0:");
return 0;
}
- if (do_fileify_dirspec(fspec,fileified,0) == NULL) myretval = -1;
- else {
- myretval = stat(fileified,(stat_t *) &tmpbuf);
+ /* Try for a directory name first. If fspec contains a filename without
+ * a type (e.g. sea:[wine.dark]water), and both sea:[wine.dark]water.dir
+ * and sea:[wine.dark]water. exist, we prefer the directory here.
+ * Similarly, sea:[wine.dark] returns the result for sea:[wine]dark.dir,
+ * not sea:[wine.dark]., if the latter exists. If the intended target is
+ * the file with null type, specify this by calling flex_stat() with
+ * a '.' at the end of fspec.
+ */
+ if (do_fileify_dirspec(fspec,fileified,0) != NULL) {
+ retval = stat(fileified,(stat_t *) statbufp);
+ if (!retval && statbufp == (Stat_t *) &PL_statcache)
+ strcpy(namecache,fileified);
}
- retval = stat(fspec,(stat_t *) statbufp);
- if (!myretval) {
- if (retval == -1) {
- *statbufp = tmpbuf;
- retval = 0;
+ if (retval) retval = stat(fspec,(stat_t *) statbufp);
+ if (!retval) {
+ statbufp->st_dev = encode_dev(statbufp->st_devnam);
+# ifdef RTL_USES_UTC
+# ifdef VMSISH_TIME
+ if (VMSISH_TIME) {
+ statbufp->st_mtime = _toloc(statbufp->st_mtime);
+ statbufp->st_atime = _toloc(statbufp->st_atime);
+ statbufp->st_ctime = _toloc(statbufp->st_ctime);
}
- else if (!retval) { /* Dir with same name. Substitute it. */
- statbufp->st_mode &= ~S_IFDIR;
- statbufp->st_mode |= tmpbuf.st_mode & S_IFDIR;
- strcpy(namecache,fileified);
+# endif
+# else
+# ifdef VMSISH_TIME
+ if (!VMSISH_TIME) { /* Return UTC instead of local time */
+# else
+ if (1) {
+# endif
+ statbufp->st_mtime = _toutc(statbufp->st_mtime);
+ statbufp->st_atime = _toutc(statbufp->st_atime);
+ statbufp->st_ctime = _toutc(statbufp->st_ctime);
}
+# endif
}
- if (!retval) statbufp->st_dev = encode_dev(statbufp->st_devnam);
return retval;
} /* end of flex_stat() */
-/* Reset definition for later calls */
-#define stat mystat
-/*}}}*/
-
-/* Insures that no carriage-control translation will be done on a file. */
-/*{{{FILE *my_binmode(FILE *fp, char iotype)*/
-FILE *
-my_binmode(FILE *fp, char iotype)
-{
- char filespec[NAM$C_MAXRSS], *acmode;
- fpos_t pos;
-
- if (!fgetname(fp,filespec)) return NULL;
- if (fgetpos(fp,&pos) == -1) return NULL;
- switch (iotype) {
- case '<': case 'r': acmode = "rb"; break;
- case '>': case 'w': acmode = "wb"; break;
- case '+': case '|': case 's': acmode = "rb+"; break;
- case 'a': acmode = "ab"; break;
- case '-': acmode = fileno(fp) ? "wb" : "rb"; break;
- }
- if (freopen(filespec,acmode,fp) == NULL) return NULL;
- if (fsetpos(fp,&pos) == -1) return NULL;
-} /* end of my_binmode() */
/*}}}*/
*
* Returns 1 on success; returns 0 and sets errno and vaxc$errno on failure.
*
- * Copyright 1996 by Charles Bailey <bailey@genetics.upenn.edu>.
+ * Copyright 1996 by Charles Bailey <bailey@newman.upenn.edu>.
* Incorporates, with permission, some code from EZCOPY by Tim Adye
* <T.J.Adye@rl.ac.uk>. Permission is given to distribute this code
* as part of the Perl standard distribution under the terms of the
rmsexpand_fromperl(CV *cv)
{
dXSARGS;
- char esa[NAM$C_MAXRSS], rsa[NAM$C_MAXRSS], *cp, *out;
- struct FAB myfab = cc$rms_fab;
- struct NAM mynam = cc$rms_nam;
- STRLEN speclen;
- unsigned long int retsts, haslower = 0;
-
- if (items > 2) croak("Usage: VMS::Filespec::rmsexpand(spec[,defspec])");
-
- myfab.fab$l_fna = SvPV(ST(0),speclen);
- myfab.fab$b_fns = speclen;
- myfab.fab$l_nam = &mynam;
-
- if (items == 2) {
- myfab.fab$l_dna = SvPV(ST(1),speclen);
- myfab.fab$b_dns = speclen;
- }
-
- mynam.nam$l_esa = esa;
- mynam.nam$b_ess = sizeof esa;
- mynam.nam$l_rsa = rsa;
- mynam.nam$b_rss = sizeof rsa;
-
- retsts = sys$parse(&myfab,0,0);
- if (!(retsts & 1)) {
- if (retsts == RMS$_DNF || retsts == RMS$_DIR ||
- retsts == RMS$_DEV || retsts == RMS$_DEV) {
- mynam.nam$b_nop |= NAM$M_SYNCHK;
- retsts = sys$parse(&myfab,0,0);
- if (retsts & 1) goto expanded;
- }
- set_vaxc_errno(retsts);
- if (retsts == RMS$_PRV) set_errno(EACCES);
- else if (retsts == RMS$_DEV) set_errno(ENODEV);
- else if (retsts == RMS$_DIR) set_errno(ENOTDIR);
- else set_errno(EVMSERR);
- XSRETURN_UNDEF;
- }
- retsts = sys$search(&myfab,0,0);
- if (!(retsts & 1) && retsts != RMS$_FNF) {
- set_vaxc_errno(retsts);
- if (retsts == RMS$_PRV) set_errno(EACCES);
- else set_errno(EVMSERR);
- XSRETURN_UNDEF;
- }
+ char *fspec, *defspec = NULL, *rslt;
+ STRLEN n_a;
- /* If the input filespec contained any lowercase characters,
- * downcase the result for compatibility with Unix-minded code. */
- expanded:
- for (out = myfab.fab$l_fna; *out; out++)
- if (islower(*out)) { haslower = 1; break; }
- if (mynam.nam$b_rsl) { out = rsa; speclen = mynam.nam$b_rsl; }
- else { out = esa; speclen = mynam.nam$b_esl; }
- if (!(mynam.nam$l_fnb & NAM$M_EXP_VER) &&
- (items == 1 || !strchr(myfab.fab$l_dna,';')))
- speclen = mynam.nam$l_ver - out;
- /* If we just had a directory spec on input, $PARSE "helpfully"
- * adds an empty name and type for us */
- if (mynam.nam$l_name == mynam.nam$l_type &&
- mynam.nam$l_ver == mynam.nam$l_type + 1 &&
- !(mynam.nam$l_fnb & NAM$M_EXP_NAME))
- speclen = mynam.nam$l_name - out;
- out[speclen] = '\0';
- if (haslower) __mystrtolower(out);
+ if (!items || items > 2)
+ croak("Usage: VMS::Filespec::rmsexpand(spec[,defspec])");
+ fspec = SvPV(ST(0),n_a);
+ if (!fspec || !*fspec) XSRETURN_UNDEF;
+ if (items == 2) defspec = SvPV(ST(1),n_a);
- ST(0) = sv_2mortal(newSVpv(out, speclen));
+ rslt = do_rmsexpand(fspec,NULL,1,defspec,0);
+ ST(0) = sv_newmortal();
+ if (rslt != NULL) sv_usepvn(ST(0),rslt,strlen(rslt));
XSRETURN(1);
}
{
dXSARGS;
char *vmsified;
+ STRLEN n_a;
if (items != 1) croak("Usage: VMS::Filespec::vmsify(spec)");
- vmsified = do_tovmsspec(SvPV(ST(0),na),NULL,1);
+ vmsified = do_tovmsspec(SvPV(ST(0),n_a),NULL,1);
ST(0) = sv_newmortal();
if (vmsified != NULL) sv_usepvn(ST(0),vmsified,strlen(vmsified));
XSRETURN(1);
{
dXSARGS;
char *unixified;
+ STRLEN n_a;
if (items != 1) croak("Usage: VMS::Filespec::unixify(spec)");
- unixified = do_tounixspec(SvPV(ST(0),na),NULL,1);
+ unixified = do_tounixspec(SvPV(ST(0),n_a),NULL,1);
ST(0) = sv_newmortal();
if (unixified != NULL) sv_usepvn(ST(0),unixified,strlen(unixified));
XSRETURN(1);
{
dXSARGS;
char *fileified;
+ STRLEN n_a;
if (items != 1) croak("Usage: VMS::Filespec::fileify(spec)");
- fileified = do_fileify_dirspec(SvPV(ST(0),na),NULL,1);
+ fileified = do_fileify_dirspec(SvPV(ST(0),n_a),NULL,1);
ST(0) = sv_newmortal();
if (fileified != NULL) sv_usepvn(ST(0),fileified,strlen(fileified));
XSRETURN(1);
{
dXSARGS;
char *pathified;
+ STRLEN n_a;
if (items != 1) croak("Usage: VMS::Filespec::pathify(spec)");
- pathified = do_pathify_dirspec(SvPV(ST(0),na),NULL,1);
+ pathified = do_pathify_dirspec(SvPV(ST(0),n_a),NULL,1);
ST(0) = sv_newmortal();
if (pathified != NULL) sv_usepvn(ST(0),pathified,strlen(pathified));
XSRETURN(1);
{
dXSARGS;
char *vmspath;
+ STRLEN n_a;
if (items != 1) croak("Usage: VMS::Filespec::vmspath(spec)");
- vmspath = do_tovmspath(SvPV(ST(0),na),NULL,1);
+ vmspath = do_tovmspath(SvPV(ST(0),n_a),NULL,1);
ST(0) = sv_newmortal();
if (vmspath != NULL) sv_usepvn(ST(0),vmspath,strlen(vmspath));
XSRETURN(1);
{
dXSARGS;
char *unixpath;
+ STRLEN n_a;
if (items != 1) croak("Usage: VMS::Filespec::unixpath(spec)");
- unixpath = do_tounixpath(SvPV(ST(0),na),NULL,1);
+ unixpath = do_tounixpath(SvPV(ST(0),n_a),NULL,1);
ST(0) = sv_newmortal();
if (unixpath != NULL) sv_usepvn(ST(0),unixpath,strlen(unixpath));
XSRETURN(1);
char fspec[NAM$C_MAXRSS+1], *fsp;
SV *mysv;
IO *io;
+ STRLEN n_a;
if (items != 1) croak("Usage: VMS::Filespec::candelete(spec)");
mysv = SvROK(ST(0)) ? SvRV(ST(0)) : ST(0);
if (SvTYPE(mysv) == SVt_PVGV) {
- if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),fspec)) {
+ if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),fspec,1)) {
set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
- ST(0) = &sv_no;
+ ST(0) = &PL_sv_no;
XSRETURN(1);
}
fsp = fspec;
}
else {
- if (mysv != ST(0) || !(fsp = SvPV(mysv,na)) || !*fsp) {
+ if (mysv != ST(0) || !(fsp = SvPV(mysv,n_a)) || !*fsp) {
set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
- ST(0) = &sv_no;
+ ST(0) = &PL_sv_no;
XSRETURN(1);
}
}
- ST(0) = cando_by_name(S_IDUSR,0,fsp) ? &sv_yes : &sv_no;
+ ST(0) = boolSV(cando_by_name(S_IDUSR,0,fsp));
XSRETURN(1);
}
unsigned long int sts;
SV *mysv;
IO *io;
+ STRLEN n_a;
if (items < 2 || items > 3)
croak("Usage: File::Copy::rmscopy(from,to[,date_flag])");
mysv = SvROK(ST(0)) ? SvRV(ST(0)) : ST(0);
if (SvTYPE(mysv) == SVt_PVGV) {
- if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),inspec)) {
+ if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),inspec,1)) {
set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
- ST(0) = &sv_no;
+ ST(0) = &PL_sv_no;
XSRETURN(1);
}
inp = inspec;
}
else {
- if (mysv != ST(0) || !(inp = SvPV(mysv,na)) || !*inp) {
+ if (mysv != ST(0) || !(inp = SvPV(mysv,n_a)) || !*inp) {
set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
- ST(0) = &sv_no;
+ ST(0) = &PL_sv_no;
XSRETURN(1);
}
}
mysv = SvROK(ST(1)) ? SvRV(ST(1)) : ST(1);
if (SvTYPE(mysv) == SVt_PVGV) {
- if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),outspec)) {
+ if (!(io = GvIOp(mysv)) || !fgetname(IoIFP(io),outspec,1)) {
set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
- ST(0) = &sv_no;
+ ST(0) = &PL_sv_no;
XSRETURN(1);
}
outp = outspec;
}
else {
- if (mysv != ST(1) || !(outp = SvPV(mysv,na)) || !*outp) {
+ if (mysv != ST(1) || !(outp = SvPV(mysv,n_a)) || !*outp) {
set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
- ST(0) = &sv_no;
+ ST(0) = &PL_sv_no;
XSRETURN(1);
}
}
date_flag = (items == 3) ? SvIV(ST(2)) : 0;
- ST(0) = rmscopy(inp,outp,date_flag) ? &sv_yes : &sv_no;
+ ST(0) = boolSV(rmscopy(inp,outp,date_flag));
XSRETURN(1);
}
newXSproto("VMS::Filespec::unixpath",unixpath_fromperl,file,"$");
newXSproto("VMS::Filespec::candelete",candelete_fromperl,file,"$");
newXS("File::Copy::rmscopy",rmscopy_fromperl,file);
+
return;
}
projects / p5sagit/p5-mst-13.2.git / blobdiff