X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=doio.c;h=abf9ae5a17f9da4cc6239a481945800bd20218e1;hb=0fa156b9cc6e57c94350bf8b3486af3d1c7dd41d;hp=fd40ae08fcf490d48cb2015beb009053a6721d2e;hpb=fd8cd3a3fe489fe70b00d1da7f9034bb1c56f03c;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/doio.c b/doio.c
index fd40ae0..abf9ae5 100644
--- a/doio.c
+++ b/doio.c
@@ -141,59 +141,30 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
         /* sysopen style args, i.e. integer mode and permissions */
 	STRLEN ix = 0;
 	if (num_svs != 0) {
-	     Perl_croak(aTHX_ "panic:sysopen with multiple args");
+	     Perl_croak(aTHX_ "panic: sysopen with multiple args");
 	}
+	if (rawmode & (O_WRONLY|O_RDWR|O_CREAT
+#ifdef O_APPEND	/* Not fully portable. */
+		       |O_APPEND
+#endif
+#ifdef O_TRUNC	/* Not fully portable. */
+		       |O_TRUNC
+#endif
+		       ))
+	    TAINT_PROPER("sysopen");
 	mode[ix++] = '#'; /* Marker to openn to use numeric "sysopen" */
 
 #if defined(USE_64_BIT_RAWIO) && defined(O_LARGEFILE)
-	rawmode |= O_LARGEFILE;
-#endif
-
-#ifndef O_ACCMODE
-#define O_ACCMODE 3		/* Assume traditional implementation */
+	rawmode |= O_LARGEFILE;	/* Transparently largefiley. */
 #endif
 
-	switch (result = rawmode & O_ACCMODE) {
-	case O_RDONLY:
-	     IoTYPE(io) = IoTYPE_RDONLY;
-	     break;
-	case O_WRONLY:
-	     IoTYPE(io) = IoTYPE_WRONLY;
-	     break;
-	case O_RDWR:
-	default:
-	     IoTYPE(io) = IoTYPE_RDWR;
-	     break;
-	}
-	writing = (result > 0);
-
-	if (result == O_RDONLY) {
-	    mode[ix++] = 'r';
-	}
-#ifdef O_APPEND
-	else if (rawmode & O_APPEND) {
-	    mode[ix++] = 'a';
-	    if (result != O_WRONLY)
-		mode[ix++] = '+';
-	}
-#endif
-	else {
-	    if (result == O_WRONLY)
-		mode[ix++] = 'w';
-	    else {
-		mode[ix++] = 'r';
-		mode[ix++] = '+';
-	    }
-	}
-	if (rawmode & O_BINARY)
-	    mode[ix++] = 'b';
-	mode[ix] = '\0';
+        IoTYPE(io) = PerlIO_intmode2str(rawmode, &mode[ix], &writing);
 
 	namesv = sv_2mortal(newSVpvn(name,strlen(name)));
 	num_svs = 1;
 	svp = &namesv;
         type = Nullch;
-	fp = PerlIO_openn(aTHX_ type,mode, -1, rawmode, rawperm, NULL, num_svs, svp);
+	fp = PerlIO_openn(aTHX_ type, mode, -1, rawmode, rawperm, NULL, num_svs, svp);
     }
     else {
 	/* Regular (non-sys) open */
@@ -201,13 +172,18 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 	STRLEN olen = len;
 	char *tend;
 	int dodup = 0;
+	PerlIO *that_fp = NULL;
 
 	type = savepvn(name, len);
 	tend = type+len;
 	SAVEFREEPV(type);
-	/* Loose trailing white space */
-	while (tend > type && isSPACE(tend[-1]))
-	    *tend-- = '\0';
+
+        /* Lose leading and trailing white space */
+        /*SUPPRESS 530*/
+        for (; isSPACE(*type); type++) ;
+        while (tend > type && isSPACE(tend[-1]))
+	    *--tend = '\0';
+
 	if (num_svs) {
 	    /* New style explict name, type is just mode and discipline/layer info */
 	    STRLEN l = 0;
@@ -215,15 +191,16 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 	    len = (I32)l;
 	    name = savepvn(name, len);
 	    SAVEFREEPV(name);
-	    /*SUPPRESS 530*/
-	    for (; isSPACE(*type); type++) ;
 	}
 	else {
 	    name = type;
 	    len  = tend-type;
 	}
 	IoTYPE(io) = *type;
-	if ((*type == IoTYPE_RDWR) && ((!num_svs || tend > type+1 && tend[-1] != IoTYPE_PIPE))) { /* scary */
+	if ((*type == IoTYPE_RDWR) && /* scary */
+           (*(type+1) == IoTYPE_RDONLY || *(type+1) == IoTYPE_WRONLY) &&
+	    ((!num_svs || (tend > type+1 && tend[-1] != IoTYPE_PIPE)))) {
+        TAINT_PROPER("open");
 	    mode[1] = *type++;
 	    writing = 1;
 	}
@@ -290,7 +267,7 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 
 	    if (*type == '&') {
 	      duplicity:
-		dodup = 1;
+		dodup = PERLIO_DUP_FD;
 		type++;
 		if (*type == '=') {
 		    dodup = 0;
@@ -330,8 +307,7 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 #endif
 			    goto say_false;
 			}
-			if (IoIFP(thatio)) {
-			    PerlIO *fp = IoIFP(thatio);
+			if ((that_fp = IoIFP(thatio))) {
 			    /* Flush stdio buffer before dup. --mjd
 			     * Unfortunately SEEK_CURing 0 seems to
 			     * be optimized away on most platforms;
@@ -341,21 +317,21 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 			    /* sfio fails to clear error on next
 			       sfwrite, contrary to documentation.
 			       -- Nick Clark */
-			    if (PerlIO_seek(fp, 0, SEEK_CUR) == -1)
-				PerlIO_clearerr(fp);
+			    if (PerlIO_seek(that_fp, 0, SEEK_CUR) == -1)
+				PerlIO_clearerr(that_fp);
 #endif
 			    /* On the other hand, do all platforms
 			     * take gracefully to flushing a read-only
 			     * filehandle?  Perhaps we should do
 			     * fsetpos(src)+fgetpos(dst)?  --nik */
-			    PerlIO_flush(fp);
-			    fd = PerlIO_fileno(fp);
+			    PerlIO_flush(that_fp);
+			    fd = PerlIO_fileno(that_fp);
 			    /* When dup()ing STDIN, STDOUT or STDERR
 			     * explicitly set appropriate access mode */
-			    if (IoIFP(thatio) == PerlIO_stdout()
-				|| IoIFP(thatio) == PerlIO_stderr())
+			    if (that_fp == PerlIO_stdout()
+				|| that_fp == PerlIO_stderr())
 			        IoTYPE(io) = IoTYPE_WRONLY;
-			    else if (IoIFP(thatio) == PerlIO_stdin())
+			    else if (that_fp == PerlIO_stdin())
                                 IoTYPE(io) = IoTYPE_RDONLY;
 			    /* When dup()ing a socket, say result is
 			     * one as well */
@@ -365,15 +341,20 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 			else
 			    fd = -1;
 		    }
-		    if (dodup)
-			fd = PerlLIO_dup(fd);
-		    else
-			was_fdopen = TRUE;
 		    if (!num_svs)
 			type = Nullch;
-		    if (!(fp = PerlIO_openn(aTHX_ type,mode,fd,0,0,NULL,num_svs,svp))) {
+		    if (that_fp) {
+			fp = PerlIO_fdupopen(aTHX_ that_fp, NULL, dodup);
+		    }
+		    else {
 			if (dodup)
-			    PerlLIO_close(fd);
+			    fd = PerlLIO_dup(fd);
+			else
+			    was_fdopen = TRUE;
+			if (!(fp = PerlIO_openn(aTHX_ type,mode,fd,0,0,NULL,num_svs,svp))) {
+			    if (dodup)
+				PerlLIO_close(fd);
+			}
 		    }
 		}
 	    } /* & */
@@ -514,13 +495,18 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 	}
     }
 
-    if (IoTYPE(io) && IoTYPE(io) != IoTYPE_PIPE && IoTYPE(io) != IoTYPE_STD &&
-	/* FIXME: This next term is a hack to avoid fileno on PerlIO::Scalar */
-	!(num_svs && SvROK(*svp))) {
-	if (PerlLIO_fstat(PerlIO_fileno(fp),&PL_statbuf) < 0) {
-	    (void)PerlIO_close(fp);
+    fd = PerlIO_fileno(fp);
+    /* If there is no fd (e.g. PerlIO::Scalar) assume it isn't a
+     * socket - this covers PerlIO::Scalar - otherwise unless we "know" the
+     * type probe for socket-ness.
+     */
+    if (IoTYPE(io) && IoTYPE(io) != IoTYPE_PIPE && IoTYPE(io) != IoTYPE_STD && fd >= 0) {
+	if (PerlLIO_fstat(fd,&PL_statbuf) < 0) {
+	    /* If PerlIO claims to have fd we had better be able to fstat() it. */
+	    (void) PerlIO_close(fp);
 	    goto say_false;
 	}
+#ifndef PERL_MICRO
 	if (S_ISSOCK(PL_statbuf.st_mode))
 	    IoTYPE(io) = IoTYPE_SOCKET;	/* in case a socket was passed in to us */
 #ifdef HAS_SOCKET
@@ -533,21 +519,26 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 	    && IoTYPE(io) != IoTYPE_WRONLY  /* Dups of STD* filehandles already have */
 	    && IoTYPE(io) != IoTYPE_RDONLY  /* type so they aren't marked as sockets */
 	) {				    /* on OS's that return 0 on fstat()ed pipe */
-	    char tmpbuf[256];
-	    Sock_size_t buflen = sizeof tmpbuf;
-	    if (PerlSock_getsockname(PerlIO_fileno(fp), (struct sockaddr *)tmpbuf,
-			    &buflen) >= 0
-		  || errno != ENOTSOCK)
-		IoTYPE(io) = IoTYPE_SOCKET; /* some OS's return 0 on fstat()ed socket */
-				/* but some return 0 for streams too, sigh */
-	}
-#endif
+	     char tmpbuf[256];
+	     Sock_size_t buflen = sizeof tmpbuf;
+	     if (PerlSock_getsockname(fd, (struct sockaddr *)tmpbuf, &buflen) >= 0
+		      || errno != ENOTSOCK)
+		    IoTYPE(io) = IoTYPE_SOCKET; /* some OS's return 0 on fstat()ed socket */
+				                /* but some return 0 for streams too, sigh */
+	}
+#endif /* HAS_SOCKET */
+#endif /* !PERL_MICRO */
     }
+
+    /* Eeek - FIXME !!!
+     * If this is a standard handle we discard all the layer stuff
+     * and just dup the fd into whatever was on the handle before !
+     */
+
     if (saveifp) {		/* must use old fp? */
         /* If fd is less that PL_maxsysfd i.e. STDIN..STDERR
            then dup the new fileno down
          */
-        fd = PerlIO_fileno(fp);
 	if (saveofp) {
 	    PerlIO_flush(saveofp);	/* emulate PerlIO_close() */
 	    if (saveofp != saveifp) {	/* was a socket? */
@@ -557,6 +548,10 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 	if (savefd != fd) {
 	    Pid_t pid;
 	    SV *sv;
+	    /* Still a small can-of-worms here if (say) PerlIO::Scalar
+	       is assigned to (say) STDOUT - for now let dup2() fail
+	       and provide the error
+	     */
 	    if (PerlLIO_dup2(fd, savefd) < 0) {
 		(void)PerlIO_close(fp);
 		goto say_false;
@@ -564,9 +559,9 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 #ifdef VMS
 	    if (savefd != PerlIO_fileno(PerlIO_stdin())) {
 	      char newname[FILENAME_MAX+1];
-	      if (fgetname(fp, newname)) {
- 	        if (fd == PerlIO_fileno(PerlIO_stdout())) Perl_vmssetuserlnm(aTHX_ "SYS$OUTPUT", newname);
- 	        if (fd == PerlIO_fileno(PerlIO_stderr())) Perl_vmssetuserlnm(aTHX_ "SYS$ERROR",  newname);
+             if (PerlIO_getname(fp, newname)) {
+	        if (fd == PerlIO_fileno(PerlIO_stdout())) Perl_vmssetuserlnm(aTHX_ "SYS$OUTPUT", newname);
+	        if (fd == PerlIO_fileno(PerlIO_stderr())) Perl_vmssetuserlnm(aTHX_ "SYS$ERROR",  newname);
 	      }
 	    }
 #endif
@@ -579,16 +574,17 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
 	    UNLOCK_FDPID_MUTEX;
 	    (void)SvUPGRADE(sv, SVt_IV);
 	    SvIVX(sv) = pid;
-	    if (!was_fdopen)
+	    if (!was_fdopen) {
 		PerlIO_close(fp);
+	    }
 	}
 	fp = saveifp;
 	PerlIO_clearerr(fp);
+	fd = PerlIO_fileno(fp);
     }
 #if defined(HAS_FCNTL) && defined(F_SETFD)
-    {
+    if (fd >= 0) {
 	int save_errno = errno;
-	fd = PerlIO_fileno(fp);
 	fcntl(fd,F_SETFD,fd > PL_maxsysfd); /* can change errno */
 	errno = save_errno;
     }
@@ -598,9 +594,9 @@ Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
     IoFLAGS(io) &= ~IOf_NOLINE;
     if (writing) {
 	if (IoTYPE(io) == IoTYPE_SOCKET
-	    || (IoTYPE(io) == IoTYPE_WRONLY && S_ISCHR(PL_statbuf.st_mode)) ) {
+	    || (IoTYPE(io) == IoTYPE_WRONLY && fd >= 0 && S_ISCHR(PL_statbuf.st_mode)) ) {
 	    mode[0] = 'w';
-	    if (!(IoOFP(io) = PerlIO_openn(aTHX_ type,mode,PerlIO_fileno(fp),0,0,NULL,num_svs,svp))) {
+	    if (!(IoOFP(io) = PerlIO_openn(aTHX_ type,mode,fd,0,0,NULL,num_svs,svp))) {
 		PerlIO_close(fp);
 		IoIFP(io) = Nullfp;
 		goto say_false;
@@ -695,11 +691,11 @@ Perl_nextargv(pTHX_ register GV *gv)
 			sv_catpv(sv,PL_inplace);
 		    }
 #ifndef FLEXFILENAMES
-		    if (PerlLIO_stat(SvPVX(sv),&PL_statbuf) >= 0
-		      && PL_statbuf.st_dev == filedev
-		      && PL_statbuf.st_ino == fileino
+		    if ((PerlLIO_stat(SvPVX(sv),&PL_statbuf) >= 0
+			 && PL_statbuf.st_dev == filedev
+			 && PL_statbuf.st_ino == fileino)
 #ifdef DJGPP
-                      || (_djstat_fail_bits & _STFAIL_TRUENAME)!=0
+			|| ((_djstat_fail_bits & _STFAIL_TRUENAME)!=0)
 #endif
                       )
 		    {
@@ -1001,7 +997,7 @@ Perl_do_eof(pTHX_ GV *gv)
 Off_t
 Perl_do_tell(pTHX_ GV *gv)
 {
-    register IO *io;
+    register IO *io = 0;
     register PerlIO *fp;
 
     if (gv && (io = GvIO(gv)) && (fp = IoIFP(io))) {
@@ -1020,7 +1016,7 @@ Perl_do_tell(pTHX_ GV *gv)
 bool
 Perl_do_seek(pTHX_ GV *gv, Off_t pos, int whence)
 {
-    register IO *io;
+    register IO *io = 0;
     register PerlIO *fp;
 
     if (gv && (io = GvIO(gv)) && (fp = IoIFP(io))) {
@@ -1039,7 +1035,7 @@ Perl_do_seek(pTHX_ GV *gv, Off_t pos, int whence)
 Off_t
 Perl_do_sysseek(pTHX_ GV *gv, Off_t pos, int whence)
 {
-    register IO *io;
+    register IO *io = 0;
     register PerlIO *fp;
 
     if (gv && (io = GvIO(gv)) && (fp = IoIFP(io)))
@@ -1210,7 +1206,9 @@ Perl_do_print(pTHX_ register SV *sv, PerlIO *fp)
 		sv_utf8_upgrade(sv = sv_mortalcopy(sv));
 	}
 	else if (DO_UTF8(sv)) {
-	    if (!sv_utf8_downgrade((sv = sv_mortalcopy(sv)), TRUE)) {
+	    if (!sv_utf8_downgrade((sv = sv_mortalcopy(sv)), TRUE)
+		&& ckWARN(WARN_UTF8))
+	    {
 		Perl_warner(aTHX_ WARN_UTF8, "Wide character in print");
 	    }
 	}
@@ -1322,7 +1320,7 @@ Perl_do_aexec5(pTHX_ SV *really, register SV **mark, register SV **sp,
     Perl_croak(aTHX_ "exec? I'm not *that* kind of operating system");
 #else
     register char **a;
-    char *tmps;
+    char *tmps = Nullch;
     STRLEN n_a;
 
     if (sp > mark) {
@@ -1385,7 +1383,6 @@ Perl_do_exec3(pTHX_ char *cmd, int fd, int do_report)
 {
     register char **a;
     register char *s;
-    char flags[10];
 
     while (*cmd && isSPACE(*cmd))
 	cmd++;
@@ -1393,28 +1390,32 @@ Perl_do_exec3(pTHX_ char *cmd, int fd, int do_report)
     /* save an extra exec if possible */
 
 #ifdef CSH
-    if (strnEQ(cmd,PL_cshname,PL_cshlen) && strnEQ(cmd+PL_cshlen," -c",3)) {
-	strcpy(flags,"-c");
-	s = cmd+PL_cshlen+3;
-	if (*s == 'f') {
-	    s++;
-	    strcat(flags,"f");
-	}
-	if (*s == ' ')
-	    s++;
-	if (*s++ == '\'') {
-	    char *ncmd = s;
-
-	    while (*s)
-		s++;
-	    if (s[-1] == '\n')
-		*--s = '\0';
-	    if (s[-1] == '\'') {
-		*--s = '\0';
-		PerlProc_execl(PL_cshname,"csh", flags,ncmd,(char*)0);
-		*s = '\'';
-		return FALSE;
-	    }
+    {
+        char flags[10];
+	if (strnEQ(cmd,PL_cshname,PL_cshlen) &&
+	    strnEQ(cmd+PL_cshlen," -c",3)) {
+	  strcpy(flags,"-c");
+	  s = cmd+PL_cshlen+3;
+	  if (*s == 'f') {
+	      s++;
+	      strcat(flags,"f");
+	  }
+	  if (*s == ' ')
+	      s++;
+	  if (*s++ == '\'') {
+	      char *ncmd = s;
+
+	      while (*s)
+		  s++;
+	      if (s[-1] == '\n')
+		  *--s = '\0';
+	      if (s[-1] == '\'') {
+		  *--s = '\0';
+		  PerlProc_execl(PL_cshname,"csh", flags, ncmd, (char*)0);
+		  *s = '\'';
+		  return FALSE;
+	      }
+	  }
 	}
     }
 #endif /* CSH */
@@ -1432,7 +1433,8 @@ Perl_do_exec3(pTHX_ char *cmd, int fd, int do_report)
 	goto doshell;
 
     for (s = cmd; *s; s++) {
-	if (*s != ' ' && !isALPHA(*s) && strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) {
+	if (*s != ' ' && !isALPHA(*s) &&
+	    strchr("$&*(){}[]'\";\\|?<>~`\n",*s)) {
 	    if (*s == '\n' && !s[1]) {
 		*s = '\0';
 		break;
@@ -1665,20 +1667,31 @@ nothing in the core.
 	    } utbuf;
 #endif
 
+           SV* accessed = *++mark;
+           SV* modified = *++mark;
+           void * utbufp = &utbuf;
+
+           /* be like C, and if both times are undefined, let the C
+              library figure out what to do.  This usually means
+              "current time" */
+
+           if ( accessed == &PL_sv_undef && modified == &PL_sv_undef )
+             utbufp = NULL;
+
 	    Zero(&utbuf, sizeof utbuf, char);
 #ifdef BIG_TIME
-	    utbuf.actime = (Time_t)SvNVx(*++mark);	/* time accessed */
-	    utbuf.modtime = (Time_t)SvNVx(*++mark);	/* time modified */
+           utbuf.actime = (Time_t)SvNVx(accessed);     /* time accessed */
+           utbuf.modtime = (Time_t)SvNVx(modified);    /* time modified */
 #else
-	    utbuf.actime = (Time_t)SvIVx(*++mark);	/* time accessed */
-	    utbuf.modtime = (Time_t)SvIVx(*++mark);	/* time modified */
+           utbuf.actime = (Time_t)SvIVx(accessed);     /* time accessed */
+           utbuf.modtime = (Time_t)SvIVx(modified);    /* time modified */
 #endif
 	    APPLY_TAINT_PROPER();
 	    tot = sp - mark;
 	    while (++mark <= sp) {
 		char *name = SvPVx(*mark, n_a);
 		APPLY_TAINT_PROPER();
-		if (PerlLIO_utime(name, &utbuf))
+               if (PerlLIO_utime(name, utbufp))
 		    tot--;
 	    }
 	}
@@ -2003,13 +2016,42 @@ Perl_do_semop(pTHX_ SV **mark, SV **sp)
     id = SvIVx(*++mark);
     opstr = *++mark;
     opbuf = SvPV(opstr, opsize);
-    if (opsize < sizeof(struct sembuf)
-	|| (opsize % sizeof(struct sembuf)) != 0) {
+    if (opsize < 3 * SHORTSIZE
+	|| (opsize % (3 * SHORTSIZE))) {
 	SETERRNO(EINVAL,LIB$_INVARG);
 	return -1;
     }
     SETERRNO(0,0);
-    return semop(id, (struct sembuf *)opbuf, opsize/sizeof(struct sembuf));
+    /* We can't assume that sizeof(struct sembuf) == 3 * sizeof(short). */
+    {
+        int nsops  = opsize / (3 * sizeof (short));
+        int i      = nsops;
+        short *ops = (short *) opbuf;
+        short *o   = ops;
+        struct sembuf *temps, *t;
+        I32 result;
+
+        New (0, temps, nsops, struct sembuf);
+        t = temps;
+        while (i--) {
+            t->sem_num = *o++;
+            t->sem_op  = *o++;
+            t->sem_flg = *o++;
+            t++;
+        }
+        result = semop(id, temps, nsops);
+        t = temps;
+        o = ops;
+        i = nsops;
+        while (i--) {
+            *o++ = t->sem_num;
+            *o++ = t->sem_op;
+            *o++ = t->sem_flg;
+            t++;
+        }
+        Safefree(temps);
+        return result;
+    }
 #else
     Perl_croak(aTHX_ "semop not implemented");
 #endif
@@ -2078,7 +2120,7 @@ Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp)
 
 Function called by C<do_readline> to spawn a glob (or do the glob inside
 perl on VMS). This code used to be inline, but now perl uses C<File::Glob>
-this glob starter is only used by miniperl during the build proccess.
+this glob starter is only used by miniperl during the build process.
 Moving it away shrinks pp_hot.c; shrinking pp_hot.c helps speed perl up.
 
 =cut
@@ -2101,7 +2143,6 @@ Perl_start_glob (pTHX_ SV *tmpglob, IO *io)
 	char rslt[NAM$C_MAXRSS+1+sizeof(unsigned short int)] = {'\0','\0'};
 	char vmsspec[NAM$C_MAXRSS+1];
 	char *rstr = rslt + sizeof(unsigned short int), *begin, *end, *cp;
-	char tmpfnam[L_tmpnam] = "SYS$SCRATCH:";
 	$DESCRIPTOR(dfltdsc,"SYS$DISK:[]*.*;");
 	PerlIO *tmpfp;
 	STRLEN i;
@@ -2116,7 +2157,6 @@ Perl_start_glob (pTHX_ SV *tmpglob, IO *io)
 	   ((struct NAM *)((struct FAB *)cxt)->fab$l_nam)->nam$l_fnb
 	   but that's unsupported, so I don't want to do it now and
 	   have it bite someone in the future. */
-	strcat(tmpfnam,PerlLIO_tmpnam(NULL));
 	cp = SvPV(tmpglob,i);
 	for (; i; i--) {
 	    if (cp[i] == ';') hasver = 1;
@@ -2133,12 +2173,14 @@ Perl_start_glob (pTHX_ SV *tmpglob, IO *io)
 		break;
 	    }
 	}
-	if ((tmpfp = PerlIO_open(tmpfnam,"w+","fop=dlt")) != NULL) {
+       if ((tmpfp = PerlIO_tmpfile()) != NULL) {
 	    Stat_t st;
 	    if (!PerlLIO_stat(SvPVX(tmpglob),&st) && S_ISDIR(st.st_mode))
 		ok = ((wilddsc.dsc$a_pointer = tovmspath(SvPVX(tmpglob),vmsspec)) != NULL);
 	    else ok = ((wilddsc.dsc$a_pointer = tovmsspec(SvPVX(tmpglob),vmsspec)) != NULL);
 	    if (ok) wilddsc.dsc$w_length = (unsigned short int) strlen(wilddsc.dsc$a_pointer);
+	    for (cp=wilddsc.dsc$a_pointer; ok && cp && *cp; cp++)
+		if (*cp == '?') *cp = '%';  /* VMS style single-char wildcard */
 	    while (ok && ((sts = lib$find_file(&wilddsc,&rsdsc,&cxt,
 					       &dfltdsc,NULL,NULL,NULL))&1)) {
 		end = rstr + (unsigned long int) *rslt;