/* vms.c
*
* VMS-specific routines for perl5
+ * Version: 5.7.0
*
- * Last revised: 20-Aug-1999 by Charles Bailey bailey@newman.upenn.edu
- * Version: 5.5.60
+ * August 2000 tweaks to vms_image_init, my_flush, my_fwrite, cando_by_name,
+ * and Perl_cando by Craig Berry
+ * 29-Aug-2000 Charles Lane's piping improvements rolled in
+ * 20-Aug-1999 revisions by Charles Bailey bailey@newman.upenn.edu
*/
#include <acedef.h>
# define WARN_INTERNAL WARN_MISC
#endif
+#if defined(__VMS_VER) && __VMS_VER >= 70000000 && __DECC_VER >= 50200000
+# define RTL_USES_UTC 1
+#endif
+
+
/* gcc's header files don't #define direct access macros
* corresponding to VAXC's variant structs */
#ifdef __GNUC__
#define expand_wild_cards(a,b,c,d) mp_expand_wild_cards(aTHX_ a,b,c,d)
#define getredirection(a,b) mp_getredirection(aTHX_ a,b)
+/* see system service docs for $TRNLNM -- NOT the same as LNM$_MAX_INDEX */
+#define PERL_LNM_MAX_ALLOWED_INDEX 127
+
static char *__mystrtolower(char *str)
{
if (str) for (; *str; ++str) *str= tolower(*str);
/* Temp for subprocess commands */
static struct dsc$descriptor_s VMScmd = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,Nullch};
+#ifndef RTL_USES_UTC
+static int tz_updated = 1;
+#endif
+
/*{{{int vmstrnenv(const char *lnm, char *eqv, unsigned long int idx, struct dsc$descriptor_s **tabvec, unsigned long int flags) */
int
Perl_vmstrnenv(pTHX_ const char *lnm, char *eqv, unsigned long int idx,
}
#endif
- if (!lnm || !eqv || idx > LNM$_MAX_INDEX) {
+ if (!lnm || !eqv || idx > PERL_LNM_MAX_ALLOWED_INDEX) {
set_errno(EINVAL); set_vaxc_errno(SS$_BADPARAM); return 0;
}
for (cp1 = (char *)lnm, cp2 = uplnm; *cp1; cp1++, cp2++) {
static char __my_getenv_eqv[LNM$C_NAMLENGTH+1];
char uplnm[LNM$C_NAMLENGTH+1], *cp1, *cp2, *eqv;
unsigned long int idx = 0;
- int trnsuccess;
+ int trnsuccess, success, secure, saverr, savvmserr;
SV *tmpsv;
if (PL_curinterp) { /* Perl interpreter running -- may be threaded */
lnm = uplnm;
}
/* Impose security constraints only if tainting */
- if (sys) sys = PL_curinterp ? PL_tainting : will_taint;
- if (vmstrnenv(lnm,eqv,idx,
- sys ? fildev : NULL,
+ if (sys) {
+ /* Impose security constraints only if tainting */
+ secure = PL_curinterp ? PL_tainting : will_taint;
+ saverr = errno; savvmserr = vaxc$errno;
+ }
+ else secure = 0;
+ success = vmstrnenv(lnm,eqv,idx,
+ secure ? fildev : NULL,
#ifdef SECURE_INTERNAL_GETENV
- sys ? PERL__TRNENV_SECURE : 0
+ secure ? PERL__TRNENV_SECURE : 0
#else
- 0
+ 0
#endif
- )) return eqv;
- else return Nullch;
+ );
+ /* Discard NOLOGNAM on internal calls since we're often looking
+ * for an optional name, and this "error" often shows up as the
+ * (bogus) exit status for a die() call later on. */
+ if (sys && vaxc$errno == SS$_NOLOGNAM) SETERRNO(saverr,savvmserr);
+ return success ? eqv : Nullch;
}
} /* end of my_getenv() */
char *buf, *cp1, *cp2;
unsigned long idx = 0;
static char __my_getenv_len_eqv[LNM$C_NAMLENGTH+1];
+ int secure, saverr, savvmserr;
SV *tmpsv;
if (PL_curinterp) { /* Perl interpreter running -- may be threaded */
idx = strtoul(cp2+1,NULL,0);
lnm = buf;
}
- /* Impose security constraints only if tainting */
- if (sys) sys = PL_curinterp ? PL_tainting : will_taint;
- if ((*len = vmstrnenv(lnm,buf,idx,
- sys ? fildev : NULL,
+ if (sys) {
+ /* Impose security constraints only if tainting */
+ secure = PL_curinterp ? PL_tainting : will_taint;
+ saverr = errno; savvmserr = vaxc$errno;
+ }
+ else secure = 0;
+ *len = vmstrnenv(lnm,buf,idx,
+ secure ? fildev : NULL,
#ifdef SECURE_INTERNAL_GETENV
- sys ? PERL__TRNENV_SECURE : 0
+ secure ? PERL__TRNENV_SECURE : 0
#else
- 0
+ 0
#endif
- )))
- return buf;
- else
- return Nullch;
+ );
+ /* Discard NOLOGNAM on internal calls since we're often looking
+ * for an optional name, and this "error" often shows up as the
+ * (bogus) exit status for a die() call later on. */
+ if (sys && vaxc$errno == SS$_NOLOGNAM) SETERRNO(saverr,savvmserr);
+ return *len ? buf : Nullch;
}
} /* end of my_getenv_len() */
if ((cp1 = strchr(environ[i],'=')) &&
!strncmp(environ[i],lnm,cp1 - environ[i])) {
#ifdef HAS_SETENV
- return setenv(lnm,eqv,1) ? vaxc$errno : 0;
+ return setenv(lnm,"",1) ? vaxc$errno : 0;
}
}
ivenv = 1; retsts = SS$_NOLOGNAM;
void
Perl_my_setenv(pTHX_ 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;
+ if (lnm && *lnm) {
+ int len = strlen(lnm);
+ if (len == 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;
+ }
+ }
+#ifndef RTL_USES_UTC
+ if (len == 6 || len == 2) {
+ char uplnm[7];
+ int i;
+ for (i = 0; lnm[i]; i++) uplnm[i] = _toupper(lnm[i]);
+ uplnm[len] = '\0';
+ if (!strcmp(uplnm,"UCX$TZ")) tz_updated = 1;
+ if (!strcmp(uplnm,"TZ")) tz_updated = 1;
}
+#endif
}
(void) vmssetenv(lnm,eqv,NULL);
}
/*}}}*/
+/*{{{static void vmssetuserlnm(char *name, char *eqv);
+/* vmssetuserlnm
+ * sets a user-mode logical in the process logical name table
+ * used for redirection of sys$error
+ */
+void
+Perl_vmssetuserlnm(char *name, char *eqv)
+{
+ $DESCRIPTOR(d_tab, "LNM$PROCESS");
+ struct dsc$descriptor_d d_name = {0,DSC$K_DTYPE_T,DSC$K_CLASS_D,0};
+ unsigned long int iss, attr = LNM$M_CONFINE;
+ unsigned char acmode = PSL$C_USER;
+ struct itmlst_3 lnmlst[2] = {{0, LNM$_STRING, 0, 0},
+ {0, 0, 0, 0}};
+ d_name.dsc$a_pointer = name;
+ d_name.dsc$w_length = strlen(name);
+
+ lnmlst[0].buflen = strlen(eqv);
+ lnmlst[0].bufadr = eqv;
+
+ iss = sys$crelnm(&attr,&d_tab,&d_name,&acmode,lnmlst);
+ if (!(iss&1)) lib$signal(iss);
+}
+/*}}}*/
/*{{{ char *my_crypt(const char *textpasswd, const char *usrname)*/
}
/*}}}*/
+/* default piping mailbox size */
+#define PERL_BUFSIZ 512
+
static void
create_mbx(unsigned short int *chan, struct dsc$descriptor_s *namdsc)
if (!syssize) {
unsigned long syiitm = SYI$_MAXBUF;
/*
- * Get the SYSGEN parameter MAXBUF, and the smaller of it and the
- * preprocessor consant BUFSIZ from stdio.h defaults as the size of the
- * 'pipe' mailbox.
+ * Get the SYSGEN parameter MAXBUF
*
* If the logical 'PERL_MBX_SIZE' is defined
- * use the value of the logical instead of BUFSIZ, but again
+ * use the value of the logical instead of PERL_BUFSIZ, but
* keep the size between 128 and MAXBUF.
*
*/
if (vmstrnenv("PERL_MBX_SIZE", csize, 0, fildev, 0)) {
mbxbufsiz = atoi(csize);
} else {
- mbxbufsiz = BUFSIZ;
+ mbxbufsiz = PERL_BUFSIZ;
}
if (mbxbufsiz < 128) mbxbufsiz = 128;
if (mbxbufsiz > syssize) mbxbufsiz = syssize;
};
static pPLOC head_PLOC = 0;
+void
+free_pipelocs(void *head)
+{
+ pPLOC p, pnext;
+
+ p = (pPLOC) head;
+ while (p) {
+ pnext = p->next;
+ Safefree(p);
+ p = pnext;
+ }
+}
static void
store_pipelocs()
p->dir[NAM$C_MAXRSS] = '\0';
}
#endif
-
+ Perl_call_atexit(&free_pipelocs, head_PLOC);
}
fprintf(fp,"$ perl_del = \"delete\"\n");
fprintf(fp,"$ pif = \"if\"\n");
fprintf(fp,"$! --- define i/o redirection (sys$output set by lib$spawn)\n");
- fprintf(fp,"$ pif perl_popen_in .nes. \"\" then perl_define sys$input 'perl_popen_in'\n");
- fprintf(fp,"$ pif perl_popen_err .nes. \"\" then perl_define sys$error 'perl_popen_err'\n");
+ fprintf(fp,"$ pif perl_popen_in .nes. \"\" then perl_define/user/name_attributes=confine sys$input 'perl_popen_in'\n");
+ fprintf(fp,"$ pif perl_popen_err .nes. \"\" then perl_define/user/name_attributes=confine sys$error 'perl_popen_err'\n");
+ fprintf(fp,"$ pif perl_popen_out .nes. \"\" then perl_define sys$output 'perl_popen_out'\n");
fprintf(fp,"$ cmd = perl_popen_cmd\n");
fprintf(fp,"$! --- get rid of global symbols\n");
fprintf(fp,"$ perl_del/symbol/global perl_popen_in\n");
fprintf(fp,"$ perl_del/symbol/global perl_popen_err\n");
+ fprintf(fp,"$ perl_del/symbol/global perl_popen_out\n");
fprintf(fp,"$ perl_del/symbol/global perl_popen_cmd\n");
fprintf(fp,"$ perl_on\n");
fprintf(fp,"$ 'cmd\n");
fprintf(fp,"$ perl_status = $STATUS\n");
- fprintf(fp,"$ perl_del 'perl_cfile'\n");
+ fprintf(fp,"$ perl_del 'perl_cfile'\n");
fprintf(fp,"$ perl_exit 'perl_status'\n");
fsync(fileno(fp));
pInfo info;
struct dsc$descriptor_s d_symbol= {0, DSC$K_DTYPE_T,
DSC$K_CLASS_S, symbol};
- struct dsc$descriptor_s d_out = {0, DSC$K_DTYPE_T,
- DSC$K_CLASS_S, out};
struct dsc$descriptor_s vmspipedsc = {0, DSC$K_DTYPE_T,
DSC$K_CLASS_S, 0};
+
$DESCRIPTOR(d_sym_cmd,"PERL_POPEN_CMD");
$DESCRIPTOR(d_sym_in ,"PERL_POPEN_IN");
+ $DESCRIPTOR(d_sym_out,"PERL_POPEN_OUT");
$DESCRIPTOR(d_sym_err,"PERL_POPEN_ERR");
/* once-per-program initialization...
info->in_done = TRUE;
info->out_done = TRUE;
info->err_done = TRUE;
+ in[0] = out[0] = err[0] = '\0';
if (*mode == 'r') { /* piping from subroutine */
- in[0] = '\0';
info->out = pipe_infromchild_setup(mbx,out);
if (info->out) {
if (!done) _ckvmssts(sys$clref(pipe_ef));
_ckvmssts(sys$setast(1));
if (!done) _ckvmssts(sys$waitfr(pipe_ef));
- }
+ }
if (info->out->buf) Safefree(info->out->buf);
Safefree(info->out);
Safefree(info);
return Nullfp;
- }
+ }
info->err = pipe_mbxtofd_setup(fileno(stderr), err);
if (info->err) {
}
} else { /* piping to subroutine , mode=w*/
- int melded;
info->in = pipe_tochild_setup(in,mbx);
info->fp = PerlIO_open(mbx, mode);
if (info->in->buf) Safefree(info->in->buf);
Safefree(info->in);
Safefree(info);
- return Nullfp;
+ return Nullfp;
}
- /* if SYS$ERROR == SYS$OUTPUT, use only one mbx */
-
- melded = FALSE;
- fgetname(stderr, err);
- if (strncmp(err,"SYS$ERROR:",10) == 0) {
- fgetname(stdout, out);
- if (strncmp(out,"SYS$OUTPUT:",11) == 0) {
- if (popen_translate("SYS$OUTPUT",out) == popen_translate("SYS$ERROR",err)) {
- melded = TRUE;
- }
- }
- }
info->out = pipe_mbxtofd_setup(fileno(stdout), out);
if (info->out) {
info->out_done = FALSE;
info->out->info = info;
}
- if (!melded) {
- info->err = pipe_mbxtofd_setup(fileno(stderr), err);
- if (info->err) {
- info->err->pipe_done = &info->err_done;
- info->err_done = FALSE;
- info->err->info = info;
- }
- } else {
- err[0] = '\0';
- }
+
+ info->err = pipe_mbxtofd_setup(fileno(stderr), err);
+ if (info->err) {
+ info->err->pipe_done = &info->err_done;
+ info->err_done = FALSE;
+ info->err->info = info;
+ }
}
- d_out.dsc$w_length = strlen(out); /* lib$spawn sets SYS$OUTPUT so can meld*/
symbol[MAX_DCL_SYMBOL] = '\0';
d_symbol.dsc$w_length = strlen(symbol);
_ckvmssts(lib$set_symbol(&d_sym_err, &d_symbol, &table));
+ strncpy(symbol, out, MAX_DCL_SYMBOL);
+ d_symbol.dsc$w_length = strlen(symbol);
+ _ckvmssts(lib$set_symbol(&d_sym_out, &d_symbol, &table));
p = VMScmd.dsc$a_pointer;
while (*p && *p != '\n') p++;
info->next=open_pipes; /* prepend to list */
open_pipes=info;
_ckvmssts(sys$setast(1));
- _ckvmssts(lib$spawn(&vmspipedsc, &nl_desc, &d_out, &flags,
+ _ckvmssts(lib$spawn(&vmspipedsc, &nl_desc, &nl_desc, &flags,
0, &info->pid, &info->completion,
0, popen_completion_ast,info,0,0,0));
_ckvmssts(lib$delete_symbol(&d_sym_cmd, &table));
_ckvmssts(lib$delete_symbol(&d_sym_in, &table));
_ckvmssts(lib$delete_symbol(&d_sym_err, &table));
-
+ _ckvmssts(lib$delete_symbol(&d_sym_out, &table));
vms_execfree(aTHX);
PL_forkprocess = info->pid;
PerlIO_printf(Perl_debug_log,"Can't open output file %s as stdout",out);
exit(vaxc$errno);
}
+ if (out != NULL) Perl_vmssetuserlnm("SYS$OUTPUT",out);
+
if (err != NULL) {
if (strcmp(err,"&1") == 0) {
dup2(fileno(stdout), fileno(Perl_debug_log));
+ Perl_vmssetuserlnm("SYS$ERROR","SYS$OUTPUT");
} else {
FILE *tmperr;
if (NULL == (tmperr = fopen(err, errmode, "mbc=32", "mbf=2")))
{
exit(vaxc$errno);
}
+ Perl_vmssetuserlnm("SYS$ERROR",err);
}
}
#ifdef ARGPROC_DEBUG
if (tabidx) { tabvec[tabidx] = NULL; env_tables = tabvec; }
getredirection(argcp,argvp);
-#if defined(USE_THREADS) && defined(__DECC)
+#if defined(USE_THREADS) && ( defined(__DECC) || defined(__DECCXX) )
{
# include <reentrancy.h>
(void) decc$set_reentrancy(C$C_MULTITHREAD);
} /* end of do_spawn() */
/*}}}*/
+
+static unsigned int *sockflags, sockflagsize;
+
+/*
+ * Shim fdopen to identify sockets for my_fwrite later, since the stdio
+ * routines found in some versions of the CRTL can't deal with sockets.
+ * We don't shim the other file open routines since a socket isn't
+ * likely to be opened by a name.
+ */
+/*{{{ FILE *my_fdopen(int fd, const char *mode)*/
+FILE *my_fdopen(int fd, const char *mode)
+{
+ FILE *fp = fdopen(fd, (char *) mode);
+
+ if (fp) {
+ unsigned int fdoff = fd / sizeof(unsigned int);
+ struct stat sbuf; /* native stat; we don't need flex_stat */
+ if (!sockflagsize || fdoff > sockflagsize) {
+ if (sockflags) Renew( sockflags,fdoff+2,unsigned int);
+ else New (1324,sockflags,fdoff+2,unsigned int);
+ memset(sockflags+sockflagsize,0,fdoff + 2 - sockflagsize);
+ sockflagsize = fdoff + 2;
+ }
+ if (fstat(fd,&sbuf) == 0 && S_ISSOCK(sbuf.st_mode))
+ sockflags[fdoff] |= 1 << (fd % sizeof(unsigned int));
+ }
+ return fp;
+
+}
+/*}}}*/
+
+
+/*
+ * Clear the corresponding bit when the (possibly) socket stream is closed.
+ * There still a small hole: we miss an implicit close which might occur
+ * via freopen(). >> Todo
+ */
+/*{{{ int my_fclose(FILE *fp)*/
+int my_fclose(FILE *fp) {
+ if (fp) {
+ unsigned int fd = fileno(fp);
+ unsigned int fdoff = fd / sizeof(unsigned int);
+
+ if (sockflagsize && fdoff <= sockflagsize)
+ sockflags[fdoff] &= ~(1 << fd % sizeof(unsigned int));
+ }
+ return fclose(fp);
+}
+/*}}}*/
+
+
/*
* A simple fwrite replacement which outputs itmsz*nitm chars without
* introducing record boundaries every itmsz chars.
+ * We are using fputs, which depends on a terminating null. We may
+ * well be writing binary data, so we need to accommodate not only
+ * data with nulls sprinkled in the middle but also data with no null
+ * byte at the end.
*/
/*{{{ int my_fwrite(void *src, size_t itmsz, size_t nitm, FILE *dest)*/
int
my_fwrite(void *src, size_t itmsz, size_t nitm, FILE *dest)
{
- register char *cp, *end;
+ register char *cp, *end, *cpd, *data;
+ register unsigned int fd = fileno(dest);
+ register unsigned int fdoff = fd / sizeof(unsigned int);
+ int retval;
+ int bufsize = itmsz * nitm + 1;
+
+ if (fdoff < sockflagsize &&
+ (sockflags[fdoff] | 1 << (fd % sizeof(unsigned int)))) {
+ if (write(fd, src, itmsz * nitm) == EOF) return EOF;
+ return nitm;
+ }
+
+ _ckvmssts_noperl(lib$get_vm(&bufsize, &data));
+ memcpy( data, src, itmsz*nitm );
+ data[itmsz*nitm] = '\0';
- end = (char *)src + itmsz * nitm;
+ end = data + itmsz * nitm;
+ retval = (int) nitm; /* on success return # items written */
- while ((char *)src <= end) {
- for (cp = src; cp <= end; cp++) if (!*cp) break;
- if (fputs(src,dest) == EOF) return EOF;
+ cpd = data;
+ while (cpd <= end) {
+ for (cp = cpd; cp <= end; cp++) if (!*cp) break;
+ if (fputs(cpd,dest) == EOF) { retval = EOF; break; }
if (cp < end)
- if (fputc('\0',dest) == EOF) return EOF;
- src = cp + 1;
+ if (fputc('\0',dest) == EOF) { retval = EOF; break; }
+ cpd = cp + 1;
}
- return 1;
+ if (data) _ckvmssts_noperl(lib$free_vm(&bufsize, &data));
+ return retval;
} /* end of my_fwrite() */
/*}}}*/
#endif
res = fsync(fileno(fp));
}
+/*
+ * If the flush succeeded but set end-of-file, we need to clear
+ * the error because our caller may check ferror(). BTW, this
+ * probably means we just flushed an empty file.
+ */
+ if (res == 0 && vaxc$errno == RMS$_EOF) clearerr(fp);
+
return res;
}
/*}}}*/
#undef localtime
#undef time
-#if defined(__VMS_VER) && __VMS_VER >= 70000000 && __DECC_VER >= 50200000
-# define RTL_USES_UTC 1
-#endif
/*
* DEC C previous to 6.0 corrupts the behavior of the /prefix
(gmtime_emulation_type == 1 ? toloc_dst(secs) : \
((secs) + utc_offset_secs))))
+#ifndef RTL_USES_UTC
+/*
+
+ ucx$tz = "EST5EDT4,M4.1.0,M10.5.0" typical
+ DST starts on 1st sun of april at 02:00 std time
+ ends on last sun of october at 02:00 dst time
+ see the UCX management command reference, SET CONFIG TIMEZONE
+ for formatting info.
+
+ No, it's not as general as it should be, but then again, NOTHING
+ will handle UK times in a sensible way.
+*/
+
+
+/*
+ parse the DST start/end info:
+ (Jddd|ddd|Mmon.nth.dow)[/hh:mm:ss]
+*/
+
+static char *
+tz_parse_startend(char *s, struct tm *w, int *past)
+{
+ int dinm[] = {31,28,31,30,31,30,31,31,30,31,30,31};
+ int ly, dozjd, d, m, n, hour, min, sec, j, k;
+ time_t g;
+
+ if (!s) return 0;
+ if (!w) return 0;
+ if (!past) return 0;
+
+ ly = 0;
+ if (w->tm_year % 4 == 0) ly = 1;
+ if (w->tm_year % 100 == 0) ly = 0;
+ if (w->tm_year+1900 % 400 == 0) ly = 1;
+ if (ly) dinm[1]++;
+
+ dozjd = isdigit(*s);
+ if (*s == 'J' || *s == 'j' || dozjd) {
+ if (!dozjd && !isdigit(*++s)) return 0;
+ d = *s++ - '0';
+ if (isdigit(*s)) {
+ d = d*10 + *s++ - '0';
+ if (isdigit(*s)) {
+ d = d*10 + *s++ - '0';
+ }
+ }
+ if (d == 0) return 0;
+ if (d > 366) return 0;
+ d--;
+ if (!dozjd && d > 58 && ly) d++; /* after 28 feb */
+ g = d * 86400;
+ dozjd = 1;
+ } else if (*s == 'M' || *s == 'm') {
+ if (!isdigit(*++s)) return 0;
+ m = *s++ - '0';
+ if (isdigit(*s)) m = 10*m + *s++ - '0';
+ if (*s != '.') return 0;
+ if (!isdigit(*++s)) return 0;
+ n = *s++ - '0';
+ if (n < 1 || n > 5) return 0;
+ if (*s != '.') return 0;
+ if (!isdigit(*++s)) return 0;
+ d = *s++ - '0';
+ if (d > 6) return 0;
+ }
+
+ if (*s == '/') {
+ if (!isdigit(*++s)) return 0;
+ hour = *s++ - '0';
+ if (isdigit(*s)) hour = 10*hour + *s++ - '0';
+ if (*s == ':') {
+ if (!isdigit(*++s)) return 0;
+ min = *s++ - '0';
+ if (isdigit(*s)) min = 10*min + *s++ - '0';
+ if (*s == ':') {
+ if (!isdigit(*++s)) return 0;
+ sec = *s++ - '0';
+ if (isdigit(*s)) sec = 10*sec + *s++ - '0';
+ }
+ }
+ } else {
+ hour = 2;
+ min = 0;
+ sec = 0;
+ }
+
+ if (dozjd) {
+ if (w->tm_yday < d) goto before;
+ if (w->tm_yday > d) goto after;
+ } else {
+ if (w->tm_mon+1 < m) goto before;
+ if (w->tm_mon+1 > m) goto after;
+
+ j = (42 + w->tm_wday - w->tm_mday)%7; /*dow of mday 0 */
+ k = d - j; /* mday of first d */
+ if (k <= 0) k += 7;
+ k += 7 * ((n>4?4:n)-1); /* mday of n'th d */
+ if (n == 5 && k+7 <= dinm[w->tm_mon]) k += 7;
+ if (w->tm_mday < k) goto before;
+ if (w->tm_mday > k) goto after;
+ }
+
+ if (w->tm_hour < hour) goto before;
+ if (w->tm_hour > hour) goto after;
+ if (w->tm_min < min) goto before;
+ if (w->tm_min > min) goto after;
+ if (w->tm_sec < sec) goto before;
+ goto after;
+
+before:
+ *past = 0;
+ return s;
+after:
+ *past = 1;
+ return s;
+}
+
+
+
+
+/* parse the offset: (+|-)hh[:mm[:ss]] */
+
+static char *
+tz_parse_offset(char *s, int *offset)
+{
+ int hour = 0, min = 0, sec = 0;
+ int neg = 0;
+ if (!s) return 0;
+ if (!offset) return 0;
+
+ if (*s == '-') {neg++; s++;}
+ if (*s == '+') s++;
+ if (!isdigit(*s)) return 0;
+ hour = *s++ - '0';
+ if (isdigit(*s)) hour = hour*10+(*s++ - '0');
+ if (hour > 24) return 0;
+ if (*s == ':') {
+ if (!isdigit(*++s)) return 0;
+ min = *s++ - '0';
+ if (isdigit(*s)) min = min*10 + (*s++ - '0');
+ if (min > 59) return 0;
+ if (*s == ':') {
+ if (!isdigit(*++s)) return 0;
+ sec = *s++ - '0';
+ if (isdigit(*s)) sec = sec*10 + (*s++ - '0');
+ if (sec > 59) return 0;
+ }
+ }
+
+ *offset = (hour*60+min)*60 + sec;
+ if (neg) *offset = -*offset;
+ return s;
+}
+
+/*
+ input time is w, whatever type of time the CRTL localtime() uses.
+ sets dst, the zone, and the gmtoff (seconds)
+
+ caches the value of TZ and UCX$TZ env variables; note that
+ my_setenv looks for these and sets a flag if they're changed
+ for efficiency.
+
+ We have to watch out for the "australian" case (dst starts in
+ october, ends in april)...flagged by "reverse" and checked by
+ scanning through the months of the previous year.
+
+*/
+
+static int
+tz_parse(time_t *w, int *dst, char *zone, int *gmtoff)
+{
+ time_t when;
+ struct tm *w2;
+ char *s,*s2;
+ char *dstzone, *tz, *s_start, *s_end;
+ int std_off, dst_off, isdst;
+ int y, dststart, dstend;
+ static char envtz[1025]; /* longer than any logical, symbol, ... */
+ static char ucxtz[1025];
+ static char reversed = 0;
+
+ if (!w) return 0;
+
+ if (tz_updated) {
+ tz_updated = 0;
+ reversed = -1; /* flag need to check */
+ envtz[0] = ucxtz[0] = '\0';
+ tz = my_getenv("TZ",0);
+ if (tz) strcpy(envtz, tz);
+ tz = my_getenv("UCX$TZ",0);
+ if (tz) strcpy(ucxtz, tz);
+ if (!envtz[0] && !ucxtz[0]) return 0; /* we give up */
+ }
+ tz = envtz;
+ if (!*tz) tz = ucxtz;
+
+ s = tz;
+ while (isalpha(*s)) s++;
+ s = tz_parse_offset(s, &std_off);
+ if (!s) return 0;
+ if (!*s) { /* no DST, hurray we're done! */
+ isdst = 0;
+ goto done;
+ }
+
+ dstzone = s;
+ while (isalpha(*s)) s++;
+ s2 = tz_parse_offset(s, &dst_off);
+ if (s2) {
+ s = s2;
+ } else {
+ dst_off = std_off - 3600;
+ }
+
+ if (!*s) { /* default dst start/end?? */
+ if (tz != ucxtz) { /* if TZ tells zone only, UCX$TZ tells rule */
+ s = strchr(ucxtz,',');
+ }
+ if (!s || !*s) s = ",M4.1.0,M10.5.0"; /* we know we do dst, default rule */
+ }
+ if (*s != ',') return 0;
+
+ when = *w;
+ when = _toutc(when); /* convert to utc */
+ when = when - std_off; /* convert to pseudolocal time*/
+
+ w2 = localtime(&when);
+ y = w2->tm_year;
+ s_start = s+1;
+ s = tz_parse_startend(s_start,w2,&dststart);
+ if (!s) return 0;
+ if (*s != ',') return 0;
+
+ when = *w;
+ when = _toutc(when); /* convert to utc */
+ when = when - dst_off; /* convert to pseudolocal time*/
+ w2 = localtime(&when);
+ if (w2->tm_year != y) { /* spans a year, just check one time */
+ when += dst_off - std_off;
+ w2 = localtime(&when);
+ }
+ s_end = s+1;
+ s = tz_parse_startend(s_end,w2,&dstend);
+ if (!s) return 0;
+
+ if (reversed == -1) { /* need to check if start later than end */
+ int j, ds, de;
+
+ when = *w;
+ if (when < 2*365*86400) {
+ when += 2*365*86400;
+ } else {
+ when -= 365*86400;
+ }
+ w2 =localtime(&when);
+ when = when + (15 - w2->tm_yday) * 86400; /* jan 15 */
+
+ for (j = 0; j < 12; j++) {
+ w2 =localtime(&when);
+ (void) tz_parse_startend(s_start,w2,&ds);
+ (void) tz_parse_startend(s_end,w2,&de);
+ if (ds != de) break;
+ when += 30*86400;
+ }
+ reversed = 0;
+ if (de && !ds) reversed = 1;
+ }
+
+ isdst = dststart && !dstend;
+ if (reversed) isdst = dststart || !dstend;
+
+done:
+ if (dst) *dst = isdst;
+ if (gmtoff) *gmtoff = isdst ? dst_off : std_off;
+ if (isdst) tz = dstzone;
+ if (zone) {
+ while(isalpha(*tz)) *zone++ = *tz++;
+ *zone = '\0';
+ }
+ return 1;
+}
+
+#endif /* !RTL_USES_UTC */
/* my_time(), my_localtime(), my_gmtime()
* By default traffic in UTC time values, using CRTL gmtime() or
gmtime_emulation_type++;
if (!vmstrnenv("SYS$TIMEZONE_DIFFERENTIAL",off,0,fildev,0)) {
gmtime_emulation_type++;
+ utc_offset_secs = 0;
Perl_warn(aTHX_ "no UTC offset information; assuming local time is UTC");
}
else { utc_offset_secs = atol(off); }
my_localtime(const time_t *timep)
{
dTHX;
- time_t when;
+ time_t when, whenutc;
struct tm *rsltmp;
+ int dst, offset;
if (timep == NULL) {
set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
# endif
/* CRTL localtime() wants UTC as input, does tz correction itself */
return localtime(&when);
-# else
+
+# else /* !RTL_USES_UTC */
+ whenutc = when;
# ifdef VMSISH_TIME
- if (!VMSISH_TIME) when = _toloc(when); /* Input was UTC */
+ if (!VMSISH_TIME) when = _toloc(whenutc); /* input was UTC */
+ if (VMSISH_TIME) whenutc = _toutc(when); /* input was truelocal */
# endif
+ dst = -1;
+#ifndef RTL_USES_UTC
+ if (tz_parse(&when, &dst, 0, &offset)) { /* truelocal determines DST*/
+ when = whenutc - offset; /* pseudolocal time*/
+ }
# endif
/* CRTL localtime() wants local time as input, so does no tz correction */
rsltmp = localtime(&when);
- if (rsltmp && gmtime_emulation_type != 1) rsltmp->tm_isdst = -1;
+ if (rsltmp && gmtime_emulation_type != 1) rsltmp->tm_isdst = dst;
return rsltmp;
+# endif
} /* end of my_localtime() */
/*}}}*/
fnmdsc.dsc$w_length = mynam.nam$b_name + mynam.nam$b_type + mynam.nam$b_ver;
memset((void *) &myfib, 0, sizeof myfib);
-#ifdef __DECC
+#if defined(__DECC) || defined(__DECCXX)
for (i=0;i<3;i++) myfib.fib$w_fid[i] = mynam.nam$w_fid[i];
for (i=0;i<3;i++) myfib.fib$w_did[i] = mynam.nam$w_did[i];
/* This prevents the revision time of the file being reset to the current
bool
Perl_cando(pTHX_ Mode_t bit, Uid_t effective, Stat_t *statbufp)
{
+ char fname_phdev[NAM$C_MAXRSS+1];
if (statbufp == &PL_statcache) return cando_by_name(bit,effective,namecache);
else {
char fname[NAM$C_MAXRSS+1];
&namdsc,&namdsc.dsc$w_length,0,0);
if (retsts & 1) {
fname[namdsc.dsc$w_length] = '\0';
- return cando_by_name(bit,effective,fname);
+/*
+ * lib$fid_to_name returns DVI$_LOGVOLNAM as the device part of the name,
+ * but if someone has redefined that logical, Perl gets very lost. Since
+ * we have the physical device name from the stat buffer, just paste it on.
+ */
+ strcpy( fname_phdev, statbufp->st_devnam );
+ strcat( fname_phdev, strrchr(fname, ':') );
+
+ return cando_by_name(bit,effective,fname_phdev);
}
else if (retsts == SS$_NOSUCHDEV || retsts == SS$_NOSUCHFILE) {
Perl_warn(aTHX_ "Can't get filespec - stale stat buffer?\n");
retsts = sys$check_access(&objtyp,&namdsc,&usrdsc,armlst);
if (retsts == SS$_NOPRIV || retsts == SS$_NOSUCHOBJECT ||
retsts == SS$_INVFILFOROP || retsts == RMS$_FNF || retsts == RMS$_SYN ||
- retsts == RMS$_DIR || retsts == RMS$_DEV) {
+ retsts == RMS$_DIR || retsts == RMS$_DEV || retsts == RMS$_DNF) {
set_vaxc_errno(retsts);
if (retsts == SS$_NOPRIV) set_errno(EACCES);
else if (retsts == SS$_INVFILFOROP) set_errno(EINVAL);
if (retsts == SS$_ACCONFLICT) {
return TRUE;
}
-
-#if defined(__ALPHA) && defined(__VMS_VER) && __VMS_VER == 70100022 && defined(__DECC_VER) && __DECC_VER == 6009001
- /* XXX Hideous kluge to accomodate error in specific version of RTL;
- we hope it'll be buried soon */
- if (retsts == 114762) return TRUE;
-#endif
_ckvmssts(retsts);
return FALSE; /* Should never get here */
projects / p5sagit/p5-mst-13.2.git / blobdiff