*
* VMS-specific routines for perl5
*
- * Last revised: 18-Jul-1996 by Charles Bailey bailey@genetics.upenn.edu
- * Version: 5.3.1
+ * Last revised: 15-Feb-1997 by Charles Bailey bailey@genetics.upenn.edu
+ * Version: 5.3.27
*/
#include <acedef.h>
#include <shrdef.h>
#include <ssdef.h>
#include <starlet.h>
-#include <stsdef.h>
+#include <strdef.h>
+#include <str$routines.h>
#include <syidef.h>
#include <uaidef.h>
#include <uicdef.h>
-#ifndef SS$_NOSUCHOBJECT /* Older versions of ssdef.h don't have this */
+/* Older versions of ssdef.h don't have these */
+#ifndef SS$_INVFILFOROP
+# define SS$_INVFILFOROP 3930
+#endif
+#ifndef SS$_NOSUCHOBJECT
# define SS$_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"
}
else if (retsts & 1) {
eqv[eqvlen] = '\0';
- return 1;
+ return eqvlen;
}
_ckvmssts(retsts); /* Must be an error */
return 0; /* Not reached, assuming _ckvmssts() bails out */
my_getenv(char *lnm)
{
static char __my_getenv_eqv[LNM$C_NAMLENGTH+1];
- char uplnm[LNM$C_NAMLENGTH], *cp1, *cp2;
+ char uplnm[LNM$C_NAMLENGTH+1], *cp1, *cp2;
unsigned long int idx = 0;
+ int trnsuccess;
for (cp1 = lnm, cp2= uplnm; *cp1; cp1++, cp2++) *cp2 = _toupper(*cp1);
*cp2 = '\0';
*cp2 = '\0';
idx = strtoul(cp2+1,NULL,0);
}
- if (my_trnlnm(uplnm,__my_getenv_eqv,idx)) {
- return __my_getenv_eqv;
- }
+ trnsuccess = my_trnlnm(uplnm,__my_getenv_eqv,idx);
+ /* If we had a translation index, we're only interested in lnms */
+ if (!trnsuccess && cp2 != NULL) return Nullch;
+ if (trnsuccess) return __my_getenv_eqv;
else {
unsigned long int retsts;
struct dsc$descriptor_s symdsc = {0,DSC$K_DTYPE_T,DSC$K_CLASS_S,0},
_ckvmssts(retsts);
}
/* Try for CRTL emulation of a Unix/POSIX name */
- else return getenv(lnm);
+ else return getenv(uplnm);
}
}
return Nullch;
} /* end of my_getenv() */
/*}}}*/
+static FILE *safe_popen(char *, char *);
+
+/*{{{ void prime_env_iter() */
+void
+prime_env_iter(void)
+/* Fill the %ENV associative array with all logical names we can
+ * find, in preparation for iterating over it.
+ */
+{
+ static int primed = 0; /* XXX Not thread-safe!!! */
+ HV *envhv = GvHVn(envgv);
+ FILE *sholog;
+ char eqv[LNM$C_NAMLENGTH+1],*start,*end;
+ STRLEN eqvlen;
+ SV *oldrs, *linesv, *eqvsv;
+
+ if (primed) return;
+ /* Perform a dummy fetch as an lval to insure that the hash table is
+ * set up. Otherwise, the hv_store() will turn into a nullop */
+ (void) hv_fetch(envhv,"DEFAULT",7,TRUE);
+ /* Also, set up the four "special" keys that the CRTL defines,
+ * whether or not underlying logical names exist. */
+ (void) hv_fetch(envhv,"HOME",4,TRUE);
+ (void) hv_fetch(envhv,"TERM",4,TRUE);
+ (void) hv_fetch(envhv,"PATH",4,TRUE);
+ (void) hv_fetch(envhv,"USER",4,TRUE);
+
+ /* Now, go get the logical names */
+ if ((sholog = safe_popen("$ Show Logical *","r")) == Nullfp)
+ _ckvmssts(vaxc$errno);
+ /* We use Perl's sv_gets to read from the pipe, since safe_popen is
+ * tied to Perl's I/O layer, so it may not return a simple FILE * */
+ oldrs = rs;
+ rs = newSVpv("\n",1);
+ linesv = newSVpv("",0);
+ while (1) {
+ if ((start = sv_gets(linesv,sholog,0)) == Nullch) {
+ my_pclose(sholog);
+ SvREFCNT_dec(linesv); SvREFCNT_dec(rs); rs = oldrs;
+ primed = 1;
+ return;
+ }
+ while (*start != '"' && *start != '=' && *start) start++;
+ if (*start != '"') continue;
+ for (end = ++start; *end && *end != '"'; end++) ;
+ if (*end) *end = '\0';
+ else end = Nullch;
+ if ((eqvlen = my_trnlnm(start,eqv,0)) == 0) {
+ if (vaxc$errno == SS$_NOLOGNAM || vaxc$errno == SS$_IVLOGNAM) {
+ if (dowarn)
+ warn("Ill-formed logical name |%s| in prime_env_iter",start);
+ continue;
+ }
+ else _ckvmssts(vaxc$errno);
+ }
+ else {
+ eqvsv = newSVpv(eqv,eqvlen);
+ hv_store(envhv,start,(end ? end - start : strlen(start)),eqvsv,0);
+ }
+ }
+} /* end of prime_env_iter */
+/*}}}*/
+
+
/*{{{ void my_setenv(char *lnm, char *eqv)*/
void
my_setenv(char *lnm,char *eqv)
/*}}}*/
+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$C_MAXRSS+1];
int retval;
- struct stat st;
+ struct mystat st;
if (do_fileify_dirspec(name,dirfile,0) == NULL) return -1;
if (flex_stat(dirfile,&st) || !S_ISDIR(st.st_mode)) retval = -1;
int
kill_file(char *name)
{
- char vmsname[NAM$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$_PRV) return -1;
/* No, so we get our own UIC to use as a rights identifier,
* and the insert an ACE at the head of the ACL which allows us
* to delete the file.
*/
_ckvmssts(lib$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)) {
- set_errno(EVMSERR);
+ switch (aclsts) {
+ case RMS$_FNF:
+ case RMS$_DNF:
+ case RMS$_DIR:
+ case SS$_NOSUCHOBJECT:
+ set_errno(ENOENT); break;
+ case RMS$_DEV:
+ set_errno(ENODEV); break;
+ case RMS$_SYN:
+ case SS$_INVFILFOROP:
+ set_errno(EINVAL); break;
+ case RMS$_PRV:
+ set_errno(EACCES); break;
+ default:
+ _ckvmssts(aclsts);
+ }
set_vaxc_errno(aclsts);
return -1;
}
* VMS seem to return success on the unlock operation anyhow (after all
* the unlock is successful), but others don't.
*/
- if (fndsts == RMS$_FNF || fndsts == SS$_NOSUCHOBJECT) fndsts == SS$_NORMAL;
+ if (fndsts == RMS$_FNF || fndsts == SS$_NOSUCHOBJECT) fndsts = SS$_NORMAL;
if (aclsts & 1) aclsts = fndsts;
if (!(aclsts & 1)) {
set_errno(EVMSERR);
} /* 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;
+ STRLEN dirlen = strlen(dir);
- 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$gettim(bintime);
- if (!(retsts & 1)) {
- set_errno(EVMSERR);
- set_vaxc_errno(retsts);
- return -1;
- }
- }
-
- myfab.fab$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$_DIR) set_errno(ENOTDIR);
- else set_errno(EVMSERR);
- return -1;
+ if (dir[dirlen-1] == '/') {
+ char *newdir = savepvn(dir,dirlen-1);
+ int ret = mkdir(newdir,mode);
+ Safefree(newdir);
+ return ret;
}
- retsts = sys$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() */
+ else return mkdir(dir,mode);
+} /* end of my_mkdir */
/*}}}*/
+
static void
create_mbx(unsigned short int *chan, struct dsc$descriptor_s *namdsc)
{
struct pipe_details
{
struct pipe_details *next;
- FILE *fp; /* stdio file pointer to pipe mailbox */
+ PerlIO *fp; /* stdio file pointer to pipe mailbox */
int pid; /* PID of subprocess */
int mode; /* == 'r' if pipe open for reading */
int done; /* subprocess has completed */
static unsigned long int
pipe_exit_routine()
{
- unsigned long int retsts = SS$_NORMAL, abort = SS$_TIMEOUT, sts;
+ unsigned long int retsts = SS$_NORMAL, abort = SS$_TIMEOUT;
+ int sts;
while (open_pipes != NULL) {
if (!open_pipes->done) { /* Tap them gently on the shoulder . . .*/
}
if (!open_pipes->done) /* We tried to be nice . . . */
_ckvmssts(sys$delprc(&open_pipes->pid,0));
- if (!((sts = my_pclose(open_pipes->fp))&1)) retsts = sts;
+ if ((sts = my_pclose(open_pipes->fp)) == -1) retsts = vaxc$errno;
+ else if (!(sts & 1)) retsts = sts;
}
return retsts;
}
}
}
-/*{{{ FILE *my_popen(char *cmd, char *mode)*/
-FILE *
-my_popen(char *cmd, char *mode)
+static FILE *
+safe_popen(char *cmd, char *mode)
{
static int handler_set_up = FALSE;
char mbxname[64];
create_mbx(&chan,&namdsc);
/* open a FILE* onto it */
- info->fp=fopen(mbxname, mode);
+ info->fp = PerlIO_open(mbxname, mode);
/* give up other channel onto it */
_ckvmssts(sys$dassgn(chan));
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");
+ 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$_NONEXPR);
+ return -1;
+ }
- fclose(info->fp);
+ /* If we were writing to a subprocess, insure that someone reading from
+ * the mailbox gets an EOF. It looks like a simple fclose() doesn't
+ * produce an EOF record in the mailbox. */
+ if (info->mode != 'r') {
+ char devnam[NAM$C_MAXRSS+1], *cp;
+ unsigned long int chan, iosb[2], retsts, retsts2;
+ struct dsc$descriptor devdsc = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, devnam};
+
+ if (fgetname(info->fp,devnam)) {
+ /* It oughta be a mailbox, so fgetname should give just the device
+ * name, but just in case . . . */
+ if ((cp = strrchr(devnam,':')) != NULL) *(cp+1) = '\0';
+ devdsc.dsc$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);
+ }
+ else _ckvmssts(vaxc$errno); /* Should never happen */
+ }
+ PerlIO_close(info->fp);
if (info->done) retsts = info->completion;
else waitpid(info->pid,(int *) &retsts,0);
} /* 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;
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_rmsexpand(char *filespec, char *outbuf, int ts, char *defspec, unsigned opts)
+{
+ static char __rmsexpand_retbuf[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, haslower = 0;
+
+ if (!filespec || !*filespec) {
+ set_vaxc_errno(LIB$_INVARG); set_errno(EINVAL);
+ return NULL;
+ }
+ if (!outbuf) {
+ if (ts) out = New(7019,outbuf,NAM$C_MAXRSS+1,char);
+ else outbuf = __rmsexpand_retbuf;
+ }
+
+ myfab.fab$l_fna = filespec;
+ myfab.fab$b_fns = strlen(filespec);
+ myfab.fab$l_nam = &mynam;
+
+ if (defspec && *defspec) {
+ myfab.fab$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$parse(&myfab,0,0);
+ if (!(retsts & 1)) {
+ if (retsts == RMS$_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;
+ }
+ 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$_FNF) {
+ if (out) Safefree(out);
+ set_vaxc_errno(retsts);
+ if (retsts == RMS$_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; }
+ if (!(mynam.nam$l_fnb & NAM$M_EXP_VER) &&
+ (!defspec || !*defspec || !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);
+
+ /* Have we been working with an expanded, but not resultant, spec? */
+ if (!mynam.nam$b_rsl) strcpy(outbuf,esa);
+ return outbuf;
+}
+/*}}}*/
+/* External entry points */
+char *rmsexpand(char *spec, char *buf, char *def, unsigned opt)
+{ return do_rmsexpand(spec,buf,0,def,opt); }
+char *rmsexpand_ts(char *spec, char *buf, char *def, unsigned opt)
+{ return do_rmsexpand(spec,buf,1,def,opt); }
+
+
/*
** The following routines are provided to make life easier when
** converting among VMS-style and Unix-style directory specifications.
if ( !(cp1 = strrchr(dir,'/')) &&
!(cp1 = strrchr(dir,']')) &&
!(cp1 = strrchr(dir,'>')) ) cp1 = dir;
- if ((cp2 = strchr(cp1,'.')) != NULL) {
+ if ((cp2 = strchr(cp1,'.')) != NULL &&
+ (*(cp2-1) != '/' || /* Trailing '.', '..', */
+ !(*(cp2+1) == '\0' || /* or '...' are dirs. */
+ (*(cp2+1) == '.' && *(cp2+2) == '\0') ||
+ (*(cp2+1) == '.' && *(cp2+2) == '.' && *(cp2+3) == '\0')))) {
int ver; char *cp3;
if (!*(cp2+1) || toupper(*(cp2+1)) != 'D' || /* Wrong type. */
!*(cp2+2) || toupper(*(cp2+2)) != 'I' || /* Bzzt. */
{
static char __tounixspec_retbuf[NAM$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(7015,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;
*(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 &&
+ 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) == '.') {
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;
*(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 (j+1 >= argc)
{
- fprintf(Perl_debug_log,"No input file after < on command line");
+ PerlIO_printf(Perl_debug_log,"No input file after < on command line");
exit(LIB$_WRONUMARG);
}
in = argv[++j];
{
if (j+1 >= argc)
{
- fprintf(Perl_debug_log,"No output file after > on command line");
+ PerlIO_printf(Perl_debug_log,"No output file after > on command line");
exit(LIB$_WRONUMARG);
}
out = argv[++j];
out = 1 + ap;
if (j >= argc)
{
- fprintf(Perl_debug_log,"No output file after > or >> on command line");
+ PerlIO_printf(Perl_debug_log,"No output file after > or >> on command line");
exit(LIB$_WRONUMARG);
}
continue;
err = 2 + ap;
if (j >= argc)
{
- fprintf(Perl_debug_log,"No output file after 2> or 2>> on command line");
+ PerlIO_printf(Perl_debug_log,"No output file after 2> or 2>> on command line");
exit(LIB$_WRONUMARG);
}
continue;
{
if (j+1 >= argc)
{
- fprintf(Perl_debug_log,"No command into which to pipe on command line");
+ PerlIO_printf(Perl_debug_log,"No command into which to pipe on command line");
exit(LIB$_WRONUMARG);
}
cmargc = argc-(j+1);
{
if (out != NULL)
{
- fprintf(Perl_debug_log,"'|' and '>' may not both be specified on command line");
+ PerlIO_printf(Perl_debug_log,"'|' and '>' may not both be specified on command line");
exit(LIB$_INVARGORD);
}
pipe_and_fork(cmargv);
/* Input from a pipe, reopen it in binary mode to disable */
/* carriage control processing. */
- fgetname(stdin, mbxname,1);
+ PerlIO_getname(stdin, mbxname);
mbxnam.dsc$a_pointer = mbxname;
mbxnam.dsc$w_length = strlen(mbxnam.dsc$a_pointer);
lib$getdvi(&dvi_item, 0, &mbxnam, &bufsize, 0, 0);
freopen(mbxname, "rb", stdin);
if (errno != 0)
{
- fprintf(Perl_debug_log,"Can't reopen input pipe (name: %s) in binary mode",mbxname);
+ PerlIO_printf(Perl_debug_log,"Can't reopen input pipe (name: %s) in binary mode",mbxname);
exit(vaxc$errno);
}
}
if ((in != NULL) && (NULL == freopen(in, "r", stdin, "mbc=32", "mbf=2")))
{
- fprintf(Perl_debug_log,"Can't open input file %s as stdin",in);
+ PerlIO_printf(Perl_debug_log,"Can't open input file %s as stdin",in);
exit(vaxc$errno);
}
if ((out != NULL) && (NULL == freopen(out, outmode, stdout, "mbc=32", "mbf=2")))
{
- fprintf(Perl_debug_log,"Can't open output file %s as stdout",out);
+ PerlIO_printf(Perl_debug_log,"Can't open output file %s as stdout",out);
exit(vaxc$errno);
}
if (err != NULL) {
FILE *tmperr;
if (NULL == (tmperr = fopen(err, errmode, "mbc=32", "mbf=2")))
{
- fprintf(Perl_debug_log,"Can't open error file %s as stderr",err);
+ PerlIO_printf(Perl_debug_log,"Can't open error file %s as stderr",err);
exit(vaxc$errno);
}
fclose(tmperr);
}
}
#ifdef ARGPROC_DEBUG
- fprintf(Perl_debug_log, "Arglist:\n");
+ PerlIO_printf(Perl_debug_log, "Arglist:\n");
for (j = 0; j < *ac; ++j)
- fprintf(Perl_debug_log, "argv[%d] = '%s'\n", j, argv[j]);
+ PerlIO_printf(Perl_debug_log, "argv[%d] = '%s'\n", j, argv[j]);
#endif
/* Clear errors we may have hit expanding wildcards, so they don't
show up in Perl's $! later */
for (c = string; *c; ++c)
if (isupper(*c))
*c = tolower(*c);
- if (isunix) trim_unixpath(string,item);
+ if (isunix) trim_unixpath(string,item,1);
add_item(head, tail, string, count);
++expcount;
}
set_errno(ENOENT); break;
case RMS$_DEV:
set_errno(ENODEV); break;
+ case RMS$_FNM:
case RMS$_SYN:
set_errno(EINVAL); break;
case RMS$_PRV:
if (0 == child_st[0])
{
#ifdef ARGPROC_DEBUG
- fprintf(Perl_debug_log, "Waiting for Child Process to Finish . . .\n");
+ PerlIO_printf(Perl_debug_log, "Waiting for Child Process to Finish . . .\n");
#endif
fflush(stdout); /* Have to flush pipe for binary data to */
/* terminate properly -- <tp@mccall.com> */
static void sig_child(int chan)
{
#ifdef ARGPROC_DEBUG
- fprintf(Perl_debug_log, "Child Completion AST\n");
+ PerlIO_printf(Perl_debug_log, "Child Completion AST\n");
#endif
if (child_st[0] == 0)
child_st[0] = 1;
create_mbx(&child_chan,&mbxdsc);
#ifdef ARGPROC_DEBUG
- fprintf(Perl_debug_log, "Pipe Mailbox Name = '%s'\n", mbxdsc.dsc$a_pointer);
- fprintf(Perl_debug_log, "Sub Process Command = '%s'\n", cmddsc.dsc$a_pointer);
+ PerlIO_printf(Perl_debug_log, "Pipe Mailbox Name = '%s'\n", mbxdsc.dsc$a_pointer);
+ PerlIO_printf(Perl_debug_log, "Sub Process Command = '%s'\n", cmddsc.dsc$a_pointer);
#endif
_ckvmssts_noperl(lib$spawn(&cmddsc, &mbxdsc, 0, &one,
0, &pid, child_st, &zero, sig_child,
&child_chan));
#ifdef ARGPROC_DEBUG
- fprintf(Perl_debug_log, "Subprocess's Pid = %08X\n", pid);
+ PerlIO_printf(Perl_debug_log, "Subprocess's Pid = %08X\n", pid);
#endif
sys$dclexh(&exit_block);
if (NULL == freopen(mbxname, "wb", stdout))
{
- fprintf(Perl_debug_log,"Can't open output pipe (name %s)",mbxname);
+ PerlIO_printf(Perl_debug_log,"Can't open output pipe (name %s)",mbxname);
}
}
_ckvmssts_noperl(retsts);
}
#ifdef ARGPROC_DEBUG
- fprintf(Perl_debug_log, "%s\n", command);
+ PerlIO_printf(Perl_debug_log, "%s\n", command);
#endif
sprintf(pidstring, "%08X", pid);
- fprintf(Perl_debug_log, "%s\n", pidstring);
+ PerlIO_printf(Perl_debug_log, "%s\n", pidstring);
pidstr.dsc$a_pointer = pidstring;
pidstr.dsc$w_length = strlen(pidstr.dsc$a_pointer);
lib$set_symbol(&pidsymbol, &pidstr);
* of whether input filespec was VMS-style or Unix-style.
*
* fspec is filespec to be trimmed, and wildspec is wildcard spec used to
- * determine prefix (both may be in VMS or Unix syntax).
+ * determine prefix (both may be in VMS or Unix syntax). opts is a bit
+ * vector of options; at present, only bit 0 is used, and if set tells
+ * trim unixpath to try the current default directory as a prefix when
+ * presented with a possibly ambiguous ... wildcard.
*
* Returns !=0 on success, with trimmed filespec replacing contents of
* fspec, and 0 on failure, with contents of fpsec unchanged.
*/
-/*{{{int trim_unixpath(char *fspec, char *wildspec)*/
+/*{{{int trim_unixpath(char *fspec, char *wildspec, int opts)*/
int
-trim_unixpath(char *fspec, char *wildspec)
+trim_unixpath(char *fspec, char *wildspec, int opts)
{
char unixified[NAM$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; }
+ }
+ for (cp1=template,cp2=lcres; *cp1 && cp2 <= lcend + sizeof lcend;
+ 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. */
+ }
}
-
- 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);
+ memcpy(fspec,base + (lcfront - lcres), lcend - lcfront + 1);
return 1;
+ ellipsis = nextell;
}
} /* end of trim_unixpath() */
/*
* VMS readdir() routines.
* Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
- * This code has no copyright.
*
* 21-Jul-1994 Charles Bailey bailey@genetics.upenn.edu
* Minor modifications to original routines.
{ /* no vfork - act VMSish */
unsigned long int retsts;
+ TAINT_ENV();
+ TAINT_PROPER("exec");
if ((retsts = setup_cmddsc(cmd,1)) & 1)
retsts = lib$do_command(&VMScmd);
{
unsigned long int substs, hadcmd = 1;
+ TAINT_ENV();
+ TAINT_PROPER("spawn");
if (!cmd || !*cmd) {
hadcmd = 0;
_ckvmssts(lib$spawn(0,0,0,0,0,0,&substs,0,0,0,0,0,0));
{
struct dsc$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$_PRV ? EACCES : EINVAL);
return NULL;
}
- else { _ckvmssts(stat); }
+ else { _ckvmssts(sts); }
}
}
strncpy(__pw_namecache, name, sizeof(__pw_namecache));
/*}}}*/
-/* my_gmtime
- * If the CRTL has a real gmtime(), use it, else look for the logical
- * name SYS$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.
- * Contributed by Chuck Lane <lane@duphy4.physics.drexel.edu>
+/* 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$TIMEZONE_DIFFERENTIAL; 3 == no correction
+ */
+static int gmtime_emulation_type;
+/* number of secs to add to UTC POSIX-style time to get local time */
+static long int utc_offset_secs;
-/*{{{struct tm *my_gmtime(const time_t *time)*/
-/* We #defined 'gmtime' as 'my_gmtime' in vmsish.h. #undef it here
- * so we can call the CRTL's routine to see if it works.
+/* We #defined 'gmtime', 'localtime', and 'time' as 'my_gmtime' etc.
+ * in vmsish.h. #undef them here so we can call the CRTL routines
+ * directly.
*/
#undef gmtime
-struct tm *
-my_gmtime(const time_t *time)
+#undef localtime
+#undef time
+
+/* my_time(), my_localtime(), my_gmtime()
+ * By default traffic in UTC time values, suing CRTL gmtime() or
+ * SYS$TIMEZONE_DIFFERENTIAL to determine offset from local time zone.
+ * Contributed by Chuck Lane <lane@duphy4.physics.drexel.edu>
+ * Modified by Charles Bailey <bailey@genetics.upenn.edu>
+ */
+
+/*{{{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;
time_t when;
if (gmtime_emulation_type == 0) {
+ struct tm *tm_p;
+ time_t base = 15 * 86400; /* 15jan71; to avoid month ends */
+
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;
+
gmtime_emulation_type++;
- if ((p = my_getenv("SYS$TIMEZONE_DIFFERENTIAL")) == NULL)
+ if ((off = my_getenv("SYS$TIMEZONE_DIFFERENTIAL")) == NULL) {
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);
+ if (
+# ifdef VMSISH_TIME
+ !VMSISH_TIME &&
+# endif
+ when != -1) when -= utc_offset_secs;
+ 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)
+{
+ char *p;
+ time_t when;
+
+ if (timep == NULL) {
+ set_errno(EINVAL); set_vaxc_errno(LIB$_INVARG);
+ return NULL;
}
+ if (*timep == 0) gmtime_emulation_type = 0; /* possibly reset TZ */
+ if (gmtime_emulation_type == 0) (void) my_time(NULL); /* Init UTC */
+
+ when = *timep;
+# ifdef VMSISH_TIME
+ if (VMSISH_TIME) when -= utc_offset_secs; /* Input was local time */
+# endif
+ /* CRTL localtime() wants local time as input, so does no tz correction */
+ return localtime(&when);
+
} /* end of my_gmtime() */
-/* Reset definition for later calls */
-#define gmtime(t) my_gmtime(t)
/*}}}*/
+/*{{{struct tm *my_localtime(const time_t *timep)*/
+struct tm *
+my_localtime(const time_t *timep)
+{
+ time_t when;
+
+ if (timep == NULL) {
+ set_errno(EINVAL); set_vaxc_errno(LIB$_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 VMSISH_TIME
+ if (!VMSISH_TIME) when += utc_offset_secs; /* Input was UTC */
+# endif
+ /* CRTL localtime() wants local time as input, so does no tz correction */
+ return localtime(&when);
+
+} /* 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 $QIO;
+ * no separate checks are made to insure that the caller is the
+ * owner of the file or has special privs enabled.
+ * Code here is based on Joe Meadows' FILE utility.
+ */
+
+/* Adjustment from Unix epoch (01-JAN-1970 00:00:00.00)
+ * to VMS epoch (01-JAN-1858 00:00:00.00)
+ * in 100 ns intervals.
+ */
+static const long int utime_baseadjust[2] = { 0x4beb4000, 0x7c9567 };
+
+/*{{{int my_utime(char *path, struct utimbuf *utimes)*/
+int my_utime(char *file, struct utimbuf *utimes)
+{
+ register int i;
+ long int bintime[2], len = 2, lowbit, unixtime,
+ secscale = 10000000; /* seconds --> 100 ns intervals */
+ unsigned long int chan, iosb[2], retsts;
+ char vmsspec[NAM$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 (!VMSISH_TIME) { /* Input was UTC; convert to local for sys svc */
+ if (!gmtime_emulation_type) (void) time(NULL); /* Initialize UTC */
+ unixtime += utc_offset_secs;
+ }
+# 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;
/* Do the permissions allow some operation? Assumes statcache already set. */
/* Do this via $Check_Access on VMS, since the CRTL stat() returns only a
- * subset of the applicable information.
+ * subset of the applicable information. (We have to stick with struct
+ * stat instead of struct mystat in the prototype since we have to match
+ * the one in proto.h.)
*/
/*{{{I32 cando(I32 bit, I32 effective, struct stat *statbufp)*/
I32
cando(I32 bit, I32 effective, struct stat *statbufp)
{
- if (statbufp == &statcache)
- return cando_by_name(bit,effective,namecache);
+ if (statbufp == &statcache) return cando_by_name(bit,effective,namecache);
else {
char fname[NAM$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$a_pointer = ((struct mystat *)statbufp)->st_devnam;
+ devdsc.dsc$w_length = strlen(((struct mystat *)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$fid_to_name(&devdsc,&(((struct mystat *)statbufp)->st_ino),
+ &namdsc,&namdsc.dsc$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$_DIR || retsts == RMS$_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$_NORMAL) {
/*}}}*/
-/*{{{ int flex_fstat(int fd, struct stat *statbuf)*/
-#undef stat
+/*{{{ int flex_fstat(int fd, struct mystat *statbuf)*/
int
flex_fstat(int fd, struct mystat *statbufp)
{
if (!fstat(fd,(stat_t *) statbufp)) {
+ if (statbufp == (struct mystat *) &statcache) *namecache == '\0';
statbufp->st_dev = encode_dev(statbufp->st_devnam);
+# ifdef VMSISH_TIME
+ if (!VMSISH_TIME) { /* Return UTC instead of local time */
+# else
+ if (1) {
+# endif
+ if (!gmtime_emulation_type) (void)time(NULL);
+ statbufp->st_mtime -= utc_offset_secs;
+ statbufp->st_atime -= utc_offset_secs;
+ statbufp->st_ctime -= utc_offset_secs;
+ }
return 0;
}
return -1;
} /* end of flex_fstat() */
/*}}}*/
-/*{{{ int flex_stat(char *fspec, struct stat *statbufp)*/
-/* We defined 'stat' as 'mystat' in vmsish.h so that declarations of
- * 'struct stat' elsewhere in Perl would use our struct. We go back
- * to the system version here, since we're actually calling their
- * stat().
- */
+/*{{{ int flex_stat(char *fspec, struct mystat *statbufp)*/
int
flex_stat(char *fspec, struct mystat *statbufp)
{
char fileified[NAM$C_MAXRSS+1];
- int retval,myretval;
- struct mystat tmpbuf;
+ int retval = -1;
-
- if (statbufp == &statcache) do_tovmsspec(fspec,namecache,0);
+ if (statbufp == (struct mystat *) &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);
- }
- retval = stat(fspec,(stat_t *) statbufp);
- if (!myretval) {
- if (retval == -1) {
- *statbufp = tmpbuf;
- retval = 0;
- }
- else if (!retval) { /* Dir with same name. Substitute it. */
- statbufp->st_mode &= ~S_IFDIR;
- statbufp->st_mode |= tmpbuf.st_mode & S_IFDIR;
+ /* Try for a directory name first. If fspec contains a filename without
+ * a type (e.g. sea:[dark.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 == (struct mystat *) &statcache)
strcpy(namecache,fileified);
+ }
+ if (retval) retval = stat(fspec,(stat_t *) statbufp);
+ if (!retval) {
+ statbufp->st_dev = encode_dev(statbufp->st_devnam);
+# ifdef VMSISH_TIME
+ if (!VMSISH_TIME) { /* Return UTC instead of local time */
+# else
+ if (1) {
+# endif
+ if (!gmtime_emulation_type) (void)time(NULL);
+ statbufp->st_mtime -= utc_offset_secs;
+ statbufp->st_atime -= utc_offset_secs;
+ statbufp->st_ctime -= utc_offset_secs;
}
}
- 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. */
fpos_t pos;
if (!fgetname(fp,filespec)) return NULL;
- if (fgetpos(fp,&pos) == -1) return NULL;
+ if (iotype != '-' && 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 '>': case 'w':
+ /* use 'a' instead of 'w' to avoid creating new file;
+ fsetpos below will take care of restoring file position */
case 'a': acmode = "ab"; break;
- case '-': acmode = fileno(fp) ? "wb" : "rb"; break;
+ case '+': case '|': case 's': acmode = "rb+"; break;
+ case '-': acmode = fileno(fp) ? "ab" : "rb"; break;
+ default:
+ warn("Unrecognized iotype %c in my_binmode",iotype);
+ acmode = "rb+";
}
if (freopen(filespec,acmode,fp) == NULL) return NULL;
- if (fsetpos(fp,&pos) == -1) return NULL;
+ if (iotype != '-' && fsetpos(fp,&pos) == -1) return NULL;
+ return fp;
} /* end of my_binmode() */
/*}}}*/
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$b_dns = speclen;
- }
+ char *fspec, *defspec = NULL, *rslt;
- mynam.nam$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$_DNF) {
- mynam.nam$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;
- }
-
- /* 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))
- speclen = mynam.nam$l_type - out;
- out[speclen] = '\0';
- if (haslower) __mystrtolower(out);
+ if (!items || items > 2)
+ croak("Usage: VMS::Filespec::rmsexpand(spec[,defspec])");
+ fspec = SvPV(ST(0),na);
+ if (!fspec || !*fspec) XSRETURN_UNDEF;
+ if (items == 2) defspec = SvPV(ST(1),na);
- ST(0) = sv_2mortal(newSVpv(out, speclen));
+ rslt = do_rmsexpand(fspec,NULL,1,defspec,0);
+ ST(0) = sv_newmortal();
+ if (rslt != NULL) sv_usepvn(ST(0),rslt,strlen(rslt));
+ XSRETURN(1);
}
void
{
char* file = __FILE__;
- newXSproto("VMS::Filespec::rmsexpand",rmsexpand_fromperl,file,"$");
+ newXSproto("VMS::Filespec::rmsexpand",rmsexpand_fromperl,file,"$;$");
newXSproto("VMS::Filespec::vmsify",vmsify_fromperl,file,"$");
newXSproto("VMS::Filespec::unixify",unixify_fromperl,file,"$");
newXSproto("VMS::Filespec::pathify",pathify_fromperl,file,"$");
https://perl5.git.perl.org / perl5.git / blobdiff