/* doio.c
*
- * Copyright (c) 1991-1999, Larry Wall
+ * Copyright (c) 1991-2001, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
# endif
#endif
-#ifdef I_FCNTL
-#include <fcntl.h>
-#endif
-#ifdef I_SYS_FILE
-#include <sys/file.h>
-#endif
#ifdef O_EXCL
# define OPEN_EXCL O_EXCL
#else
#include <signal.h>
#endif
-/* XXX If this causes problems, set i_unistd=undef in the hint file. */
-#ifdef I_UNISTD
-# include <unistd.h>
-#endif
-
-#if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
-# include <sys/socket.h>
-# if defined(USE_SOCKS) && defined(I_SOCKS)
-# include <socks.h>
-# endif
-# ifdef I_NETBSD
-# include <netdb.h>
-# endif
-# ifndef ENOTSOCK
-# ifdef I_NET_ERRNO
-# include <net/errno.h>
-# endif
-# endif
-#endif
-
-/* Put this after #includes because <unistd.h> defines _XOPEN_*. */
-#ifndef Sock_size_t
-# if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
-# define Sock_size_t Size_t
-# else
-# define Sock_size_t int
-# endif
-#endif
-
bool
Perl_do_open(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
int rawmode, int rawperm, PerlIO *supplied_fp)
{
- return do_open9(gv, name, len, as_raw, rawmode, rawperm,
- supplied_fp, Nullsv, 0);
+ return do_openn(gv, name, len, as_raw, rawmode, rawperm,
+ supplied_fp, (SV **) NULL, 0);
}
bool
int rawmode, int rawperm, PerlIO *supplied_fp, SV *svs,
I32 num_svs)
{
+ return do_openn(gv, name, len, as_raw, rawmode, rawperm,
+ supplied_fp, &svs, 1);
+}
+
+static char *S_layers(pTHX_ char *mode);
+
+static char *
+S_layers(pTHX_ char *mode)
+{
+ char *type = NULL;
+ /* Need to supply default layer info from open.pm */
+ SV *layers = PL_curcop->cop_io;
+ if (layers) {
+ STRLEN len;
+ type = SvPV(layers,len);
+ if (type && mode[0] != 'r') {
+ /* Skip to write part */
+ char *s = strchr(type,0);
+ if (s && (s-type) < len) {
+ type = s+1;
+ }
+ }
+ }
+ return type;
+}
+
+bool
+Perl_do_openn(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
+ int rawmode, int rawperm, PerlIO *supplied_fp, SV **svp,
+ I32 num_svs)
+{
register IO *io = GvIOn(gv);
PerlIO *saveifp = Nullfp;
PerlIO *saveofp = Nullfp;
- char savetype = ' ';
+ int savefd = -1;
+ char savetype = IoTYPE_CLOSED;
int writing = 0;
PerlIO *fp;
int fd;
int result;
bool was_fdopen = FALSE;
+ bool in_raw = 0, in_crlf = 0, out_raw = 0, out_crlf = 0;
+ char *type = NULL;
+ char mode[8]; /* stdio file mode ("r\0", "rb\0", "r+b\0" etc.) */
+ SV *namesv;
+ Zero(mode,sizeof(mode),char);
PL_forkprocess = 1; /* assume true if no fork */
+ /* Collect default raw/crlf info from the op */
+ if (PL_op && PL_op->op_type == OP_OPEN) {
+ /* set up disciplines */
+ U8 flags = PL_op->op_private;
+ in_raw = (flags & OPpOPEN_IN_RAW);
+ in_crlf = (flags & OPpOPEN_IN_CRLF);
+ out_raw = (flags & OPpOPEN_OUT_RAW);
+ out_crlf = (flags & OPpOPEN_OUT_CRLF);
+ }
+
+ /* If currently open - close before we re-open */
if (IoIFP(io)) {
fd = PerlIO_fileno(IoIFP(io));
- if (IoTYPE(io) == '-')
+ if (IoTYPE(io) == IoTYPE_STD) {
+ /* This is a clone of one of STD* handles */
result = 0;
- else if (fd <= PL_maxsysfd) {
- saveifp = IoIFP(io);
- saveofp = IoOFP(io);
+ }
+ else if (fd >= 0 && fd <= PL_maxsysfd) {
+ /* This is one of the original STD* handles */
+ saveifp = IoIFP(io);
+ saveofp = IoOFP(io);
savetype = IoTYPE(io);
- result = 0;
+ savefd = fd;
+ result = 0;
}
- else if (IoTYPE(io) == '|')
+ else if (IoTYPE(io) == IoTYPE_PIPE)
result = PerlProc_pclose(IoIFP(io));
else if (IoIFP(io) != IoOFP(io)) {
if (IoOFP(io)) {
}
else
result = PerlIO_close(IoIFP(io));
- if (result == EOF && fd > PL_maxsysfd)
+ if (result == EOF && fd > PL_maxsysfd) {
+ /* Why is this not Perl_warn*() call ? */
PerlIO_printf(Perl_error_log,
"Warning: unable to close filehandle %s properly.\n",
GvENAME(gv));
+ }
IoOFP(io) = IoIFP(io) = Nullfp;
}
if (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");
+ }
+ mode[ix++] = '#'; /* Marker to openn to use numeric "sysopen" */
+
#if defined(USE_64_BIT_RAWIO) && defined(O_LARGEFILE)
rawmode |= O_LARGEFILE;
#endif
switch (result = rawmode & O_ACCMODE) {
case O_RDONLY:
- IoTYPE(io) = '<';
+ IoTYPE(io) = IoTYPE_RDONLY;
break;
case O_WRONLY:
- IoTYPE(io) = '>';
+ IoTYPE(io) = IoTYPE_WRONLY;
break;
case O_RDWR:
default:
- IoTYPE(io) = '+';
+ IoTYPE(io) = IoTYPE_RDWR;
break;
}
-
writing = (result > 0);
- fd = PerlLIO_open3(name, rawmode, rawperm);
- if (fd == -1)
- fp = NULL;
- else {
- const char *fpmode;
- if (result == O_RDONLY)
- fpmode = "r";
+ if (result == O_RDONLY) {
+ mode[ix++] = 'r';
+ }
#ifdef O_APPEND
- else if (rawmode & O_APPEND)
- fpmode = (result == O_WRONLY) ? "a" : "a+";
+ else if (rawmode & O_APPEND) {
+ mode[ix++] = 'a';
+ if (result != O_WRONLY)
+ mode[ix++] = '+';
+ }
#endif
- else
- fpmode = (result == O_WRONLY) ? "w" : "r+";
- fp = PerlIO_fdopen(fd, fpmode);
- if (!fp)
- PerlLIO_close(fd);
+ else {
+ if (result == O_WRONLY)
+ mode[ix++] = 'w';
+ else {
+ mode[ix++] = 'r';
+ mode[ix++] = '+';
+ }
}
+ if (rawmode & O_BINARY)
+ mode[ix++] = 'b';
+ mode[ix] = '\0';
+
+ namesv = sv_2mortal(newSVpvn(name,strlen(name)));
+ num_svs = 1;
+ svp = &namesv;
+ fp = PerlIO_openn(aTHX_ S_layers(aTHX_ mode),mode, -1, rawmode, rawperm, NULL, num_svs, svp);
}
else {
- char *myname;
- char *type = name;
- char *otype = name;
- STRLEN tlen;
- STRLEN otlen = len;
- char mode[3]; /* stdio file mode ("r\0" or "r+\0") */
- int dodup;
-
+ /* Regular (non-sys) open */
+ char *oname = name;
+ STRLEN olen = len;
+ char *tend;
+ int dodup = 0;
+
+ type = savepvn(name, len);
+ tend = type+len;
+ SAVEFREEPV(type);
+ /* Loose trailing white space */
+ while (tend > type && isSPACE(tend[-1]))
+ *tend-- = '\0';
if (num_svs) {
- type = name;
- name = SvPV(svs, tlen) ;
- len = (I32)tlen;
+ /* New style explict name, type is just mode and discipline/layer info */
+ STRLEN l;
+ name = SvPV(*svp, l) ;
+ len = (I32)l;
+ name = savepvn(name, len);
+ SAVEFREEPV(name);
+ /*SUPPRESS 530*/
+ for (; isSPACE(*type); type++) ;
+ }
+ else {
+ name = type;
+ len = tend-type;
}
-
- tlen = otlen;
- myname = savepvn(name, len);
- SAVEFREEPV(myname);
- name = myname;
- if (!num_svs)
- while (tlen && isSPACE(type[tlen-1]))
- type[--tlen] = '\0';
-
- mode[0] = mode[1] = mode[2] = '\0';
IoTYPE(io) = *type;
- if (*type == '+' && tlen > 1 && type[tlen-1] != '|') { /* scary */
+ if ((*type == IoTYPE_RDWR) && ((!num_svs || tend > type+1 && tend[-1] != IoTYPE_PIPE))) { /* scary */
mode[1] = *type++;
- --tlen;
writing = 1;
}
- if (*type == '|') {
- if (num_svs && (tlen != 2 || type[1] != '-')) {
- unknown_desr:
- Perl_croak(aTHX_ "Unknown open() mode '%.*s'", otlen, otype);
+ if (*type == IoTYPE_PIPE) {
+ if (num_svs) {
+ if (type[1] != IoTYPE_STD) {
+ unknown_desr:
+ Perl_croak(aTHX_ "Unknown open() mode '%.*s'", (int)olen, oname);
+ }
+ type++;
}
/*SUPPRESS 530*/
for (type++; isSPACE(*type); type++) ;
- if (!num_svs)
+ if (!num_svs) {
name = type;
- if (*name == '\0') { /* command is missing 19990114 */
- dTHR;
+ len = tend-type;
+ }
+ if (*name == '\0') {
+ /* command is missing 19990114 */
if (ckWARN(WARN_PIPE))
Perl_warner(aTHX_ WARN_PIPE, "Missing command in piped open");
errno = EPIPE;
if (strNE(name,"-") || num_svs)
TAINT_ENV();
TAINT_PROPER("piped open");
- if (name[strlen(name)-1] == '|') {
- dTHR;
- name[strlen(name)-1] = '\0' ;
+ if (!num_svs && name[len-1] == '|') {
+ name[--len] = '\0' ;
if (ckWARN(WARN_PIPE))
- Perl_warner(aTHX_ WARN_PIPE, "Can't do bidirectional pipe");
+ Perl_warner(aTHX_ WARN_PIPE, "Can't open bidirectional pipe");
}
- fp = PerlProc_popen(name,"w");
+ mode[0] = 'w';
writing = 1;
+ if (out_raw)
+ strcat(mode, "b");
+ else if (out_crlf)
+ strcat(mode, "t");
+ if (num_svs > 1) {
+ fp = PerlProc_popen_list(mode, num_svs, svp);
+ }
+ else {
+ fp = PerlProc_popen(name,mode);
+ }
}
- else if (*type == '>') {
+ else if (*type == IoTYPE_WRONLY) {
TAINT_PROPER("open");
type++;
- if (*type == '>') {
- mode[0] = IoTYPE(io) = 'a';
+ if (*type == IoTYPE_WRONLY) {
+ /* Two IoTYPE_WRONLYs in a row make for an IoTYPE_APPEND. */
+ mode[0] = IoTYPE(io) = IoTYPE_APPEND;
type++;
- tlen--;
}
- else
+ else {
mode[0] = 'w';
+ }
writing = 1;
- if (num_svs && tlen != 1)
- goto unknown_desr;
+ if (out_raw)
+ strcat(mode, "b");
+ else if (out_crlf)
+ strcat(mode, "t");
+
if (*type == '&') {
- name = type;
duplicity:
dodup = 1;
- name++;
- if (*name == '=') {
+ type++;
+ if (*type == '=') {
dodup = 0;
- name++;
+ type++;
}
- if (!*name && supplied_fp)
+ if (!num_svs && !*type && supplied_fp) {
+ /* "<+&" etc. is used by typemaps */
fp = supplied_fp;
+ }
else {
- /*SUPPRESS 530*/
- for (; isSPACE(*name); name++) ;
- if (isDIGIT(*name))
- fd = atoi(name);
+ if (num_svs > 1) {
+ Perl_croak(aTHX_ "More than one argument to '%c&' open",IoTYPE(io));
+ }
+ if (num_svs && SvIOK(*svp)) {
+ fd = SvUV(*svp);
+ }
+ else if (isDIGIT(*type)) {
+ /*SUPPRESS 530*/
+ for (; isSPACE(*type); type++) ;
+ fd = atoi(type);
+ }
else {
IO* thatio;
- gv = gv_fetchpv(name,FALSE,SVt_PVIO);
- thatio = GvIO(gv);
+ if (num_svs) {
+ thatio = sv_2io(*svp);
+ }
+ else {
+ GV *thatgv;
+ /*SUPPRESS 530*/
+ for (; isSPACE(*type); type++) ;
+ thatgv = gv_fetchpv(type,FALSE,SVt_PVIO);
+ thatio = GvIO(thatgv);
+ }
if (!thatio) {
#ifdef EINVAL
SETERRNO(EINVAL,SS$_IVCHAN);
* be optimized away on most platforms;
* only Solaris and Linux seem to flush
* on that. --jhi */
- PerlIO_seek(fp, 0, SEEK_CUR);
+#ifdef USE_SFIO
+ /* sfio fails to clear error on next
+ sfwrite, contrary to documentation.
+ -- Nick Clark */
+ if (PerlIO_seek(fp, 0, SEEK_CUR) == -1)
+ PerlIO_clearerr(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);
- if (IoTYPE(thatio) == 's')
- IoTYPE(io) = 's';
+ /* When dup()ing STDIN, STDOUT or STDERR
+ * explicitly set appropriate access mode */
+ if (IoIFP(thatio) == PerlIO_stdout()
+ || IoIFP(thatio) == PerlIO_stderr())
+ IoTYPE(io) = IoTYPE_WRONLY;
+ else if (IoIFP(thatio) == PerlIO_stdin())
+ IoTYPE(io) = IoTYPE_RDONLY;
+ /* When dup()ing a socket, say result is
+ * one as well */
+ else if (IoTYPE(thatio) == IoTYPE_SOCKET)
+ IoTYPE(io) = IoTYPE_SOCKET;
}
else
fd = -1;
fd = PerlLIO_dup(fd);
else
was_fdopen = TRUE;
- if (!(fp = PerlIO_fdopen(fd,mode))) {
+ if (!num_svs)
+ type = S_layers(aTHX_ mode);
+ if (!(fp = PerlIO_openn(aTHX_ type,mode,fd,0,0,NULL,num_svs,svp))) {
if (dodup)
PerlLIO_close(fd);
- }
+ }
}
- }
+ } /* & */
else {
+ if (num_svs > 1) {
+ Perl_croak(aTHX_ "More than one argument to '>' open");
+ }
/*SUPPRESS 530*/
for (; isSPACE(*type); type++) ;
- if (strEQ(type,"-")) {
+ if (*type == IoTYPE_STD && (!type[1] || isSPACE(type[1]) || type[1] == ':')) {
+ /*SUPPRESS 530*/
+ type++;
fp = PerlIO_stdout();
- IoTYPE(io) = '-';
+ IoTYPE(io) = IoTYPE_STD;
}
else {
- fp = PerlIO_open((num_svs ? name : type), mode);
+ if (!num_svs) {
+ namesv = sv_2mortal(newSVpvn(type,strlen(type)));
+ num_svs = 1;
+ svp = &namesv;
+ type = S_layers(aTHX_ mode);
+ }
+ fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp);
}
- }
+ } /* !& */
}
- else if (*type == '<') {
- if (num_svs && tlen != 1)
- goto unknown_desr;
+ else if (*type == IoTYPE_RDONLY) {
+ if (num_svs > 1) {
+ Perl_croak(aTHX_ "More than one argument to '<' open");
+ }
/*SUPPRESS 530*/
for (type++; isSPACE(*type); type++) ;
mode[0] = 'r';
+ if (in_raw)
+ strcat(mode, "b");
+ else if (in_crlf)
+ strcat(mode, "t");
+
if (*type == '&') {
- name = type;
goto duplicity;
}
- if (strEQ(type,"-")) {
+ if (*type == IoTYPE_STD && (!type[1] || isSPACE(type[1]) || type[1] == ':')) {
+ /*SUPPRESS 530*/
+ type++;
fp = PerlIO_stdin();
- IoTYPE(io) = '-';
+ IoTYPE(io) = IoTYPE_STD;
+ }
+ else {
+ if (!num_svs) {
+ namesv = sv_2mortal(newSVpvn(type,strlen(type)));
+ num_svs = 1;
+ svp = &namesv;
+ type = S_layers(aTHX_ mode);
+ }
+ fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp);
}
- else
- fp = PerlIO_open((num_svs ? name : type), mode);
}
- else if (tlen > 1 && type[tlen-1] == '|') {
+ else if ((num_svs && type[0] == IoTYPE_STD && type[1] == IoTYPE_PIPE) ||
+ (!num_svs && tend > type+1 && tend[-1] == IoTYPE_PIPE)) {
if (num_svs) {
- if (tlen != 2 || type[0] != '-')
- goto unknown_desr;
+ type += 2; /* skip over '-|' */
}
else {
- type[--tlen] = '\0';
- while (tlen && isSPACE(type[tlen-1]))
- type[--tlen] = '\0';
+ *--tend = '\0';
+ while (tend > type && isSPACE(tend[-1]))
+ *--tend = '\0';
/*SUPPRESS 530*/
for (; isSPACE(*type); type++) ;
name = type;
+ len = tend-type;
}
- if (*name == '\0') { /* command is missing 19990114 */
- dTHR;
+ if (*name == '\0') {
+ /* command is missing 19990114 */
if (ckWARN(WARN_PIPE))
Perl_warner(aTHX_ WARN_PIPE, "Missing command in piped open");
errno = EPIPE;
if (strNE(name,"-") || num_svs)
TAINT_ENV();
TAINT_PROPER("piped open");
- fp = PerlProc_popen(name,"r");
- IoTYPE(io) = '|';
+ mode[0] = 'r';
+ if (in_raw)
+ strcat(mode, "b");
+ else if (in_crlf)
+ strcat(mode, "t");
+ if (num_svs > 1) {
+ fp = PerlProc_popen_list(mode,num_svs,svp);
+ }
+ else {
+ fp = PerlProc_popen(name,mode);
+ }
+ IoTYPE(io) = IoTYPE_PIPE;
}
else {
if (num_svs)
goto unknown_desr;
name = type;
- IoTYPE(io) = '<';
+ IoTYPE(io) = IoTYPE_RDONLY;
/*SUPPRESS 530*/
for (; isSPACE(*name); name++) ;
+ mode[0] = 'r';
+ if (in_raw)
+ strcat(mode, "b");
+ else if (in_crlf)
+ strcat(mode, "t");
if (strEQ(name,"-")) {
fp = PerlIO_stdin();
- IoTYPE(io) = '-';
+ IoTYPE(io) = IoTYPE_STD;
+ }
+ else {
+ if (!num_svs) {
+ namesv = sv_2mortal(newSVpvn(type,strlen(type)));
+ num_svs = 1;
+ svp = &namesv;
+ type = S_layers(aTHX_ mode);
+ }
+ fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp);
}
- else
- fp = PerlIO_open(name,"r");
}
}
if (!fp) {
- dTHR;
- if (ckWARN(WARN_NEWLINE) && IoTYPE(io) == '<' && strchr(name, '\n'))
+ if (ckWARN(WARN_NEWLINE) && IoTYPE(io) == IoTYPE_RDONLY && strchr(name, '\n'))
Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
goto say_false;
}
- if (IoTYPE(io) &&
- IoTYPE(io) != '|' && IoTYPE(io) != '-') {
- dTHR;
+
+ if (ckWARN(WARN_IO)) {
+ if ((IoTYPE(io) == IoTYPE_RDONLY) &&
+ (fp == PerlIO_stdout() || fp == PerlIO_stderr())) {
+ Perl_warner(aTHX_ WARN_IO, "'std%s' opened only for input",
+ (fp == PerlIO_stdout()) ? "out" : "err");
+ }
+ else if ((IoTYPE(io) == IoTYPE_WRONLY) && fp == PerlIO_stdin()) {
+ Perl_warner(aTHX_ WARN_IO, "'stdin' opened only for output");
+ }
+ }
+
+ if (IoTYPE(io) && IoTYPE(io) != IoTYPE_PIPE && IoTYPE(io) != IoTYPE_STD) {
if (PerlLIO_fstat(PerlIO_fileno(fp),&PL_statbuf) < 0) {
(void)PerlIO_close(fp);
goto say_false;
}
if (S_ISSOCK(PL_statbuf.st_mode))
- IoTYPE(io) = 's'; /* in case a socket was passed in to us */
+ IoTYPE(io) = IoTYPE_SOCKET; /* in case a socket was passed in to us */
#ifdef HAS_SOCKET
else if (
#ifdef S_IFMT
#else
!PL_statbuf.st_mode
#endif
- ) {
+ && 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) = 's'; /* some OS's return 0 on fstat()ed socket */
+ IoTYPE(io) = IoTYPE_SOCKET; /* some OS's return 0 on fstat()ed socket */
/* but some return 0 for streams too, sigh */
}
#endif
}
if (saveifp) { /* must use old fp? */
- fd = PerlIO_fileno(saveifp);
+ /* 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() */
+ PerlIO_flush(saveofp); /* emulate PerlIO_close() */
if (saveofp != saveifp) { /* was a socket? */
PerlIO_close(saveofp);
- if (fd > 2)
- Safefree(saveofp);
}
}
- if (fd != PerlIO_fileno(fp)) {
+ if (savefd != fd) {
Pid_t pid;
SV *sv;
-
- PerlLIO_dup2(PerlIO_fileno(fp), fd);
- sv = *av_fetch(PL_fdpid,PerlIO_fileno(fp),TRUE);
+ PerlLIO_dup2(fd, savefd);
+#ifdef VMS
+ if (savefd != PerlIO_fileno(PerlIO_stdin())) {
+ char newname[FILENAME_MAX+1];
+ if (fgetname(fp, newname)) {
+ if (savefd == PerlIO_fileno(PerlIO_stdout())) Perl_vmssetuserlnm("SYS$OUTPUT", newname);
+ if (savefd == PerlIO_fileno(PerlIO_stderr())) Perl_vmssetuserlnm("SYS$ERROR", newname);
+ }
+ }
+#endif
+ LOCK_FDPID_MUTEX;
+ sv = *av_fetch(PL_fdpid,fd,TRUE);
(void)SvUPGRADE(sv, SVt_IV);
pid = SvIVX(sv);
SvIVX(sv) = 0;
- sv = *av_fetch(PL_fdpid,fd,TRUE);
+ sv = *av_fetch(PL_fdpid,savefd,TRUE);
+ UNLOCK_FDPID_MUTEX;
(void)SvUPGRADE(sv, SVt_IV);
SvIVX(sv) = pid;
if (!was_fdopen)
PerlIO_close(fp);
-
}
fp = saveifp;
PerlIO_clearerr(fp);
}
#endif
IoIFP(io) = fp;
+
+ IoFLAGS(io) &= ~IOf_NOLINE;
if (writing) {
- dTHR;
- if (IoTYPE(io) == 's'
- || (IoTYPE(io) == '>' && S_ISCHR(PL_statbuf.st_mode)) ) {
- if (!(IoOFP(io) = PerlIO_fdopen(PerlIO_fileno(fp),"w"))) {
+ if (IoTYPE(io) == IoTYPE_SOCKET
+ || (IoTYPE(io) == IoTYPE_WRONLY && S_ISCHR(PL_statbuf.st_mode)) ) {
+ mode[0] = 'w';
+ if (!(IoOFP(io) = PerlIO_openn(aTHX_ S_layers(aTHX_ mode),mode,PerlIO_fileno(fp),0,0,NULL,num_svs,svp))) {
PerlIO_close(fp);
IoIFP(io) = Nullfp;
goto say_false;
}
PL_filemode = 0;
while (av_len(GvAV(gv)) >= 0) {
- dTHR;
STRLEN oldlen;
sv = av_shift(GvAV(gv));
SAVEFREESV(sv);
}
#endif
#ifdef HAS_RENAME
-#if !defined(DOSISH) && !defined(CYGWIN)
+#if !defined(DOSISH) && !defined(__CYGWIN__)
if (PerlLIO_rename(PL_oldname,SvPVX(sv)) < 0) {
if (ckWARN_d(WARN_INPLACE))
- Perl_warner(aTHX_ WARN_INPLACE,
+ Perl_warner(aTHX_ WARN_INPLACE,
"Can't rename %s to %s: %s, skipping file",
PL_oldname, SvPVX(sv), Strerror(errno) );
do_close(gv,FALSE);
return IoIFP(GvIOp(gv));
}
else {
- dTHR;
if (ckWARN_d(WARN_INPLACE)) {
- if (!S_ISREG(PL_statbuf.st_mode))
+ int eno = errno;
+ if (PerlLIO_stat(PL_oldname, &PL_statbuf) >= 0
+ && !S_ISREG(PL_statbuf.st_mode))
+ {
Perl_warner(aTHX_ WARN_INPLACE,
"Can't do inplace edit: %s is not a regular file",
- PL_oldname );
+ PL_oldname);
+ }
else
- Perl_warner(aTHX_ WARN_INPLACE, "Can't open %s: %s\n",
- PL_oldname, Strerror(errno));
+ Perl_warner(aTHX_ WARN_INPLACE, "Can't open %s: %s",
+ PL_oldname, Strerror(eno));
}
}
}
IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
IoIFP(wstio) = IoOFP(wstio);
- IoTYPE(rstio) = '<';
- IoTYPE(wstio) = '>';
+ IoTYPE(rstio) = IoTYPE_RDONLY;
+ IoTYPE(wstio) = IoTYPE_WRONLY;
if (!IoIFP(rstio) || !IoOFP(wstio)) {
if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
else PerlLIO_close(fd[0]);
io = GvIO(gv);
if (!io) { /* never opened */
if (not_implicit) {
- dTHR;
- if (ckWARN(WARN_UNOPENED))
- Perl_warner(aTHX_ WARN_UNOPENED,
- "Close on unopened file <%s>",GvENAME(gv));
+ if (ckWARN(WARN_UNOPENED)) /* no check for closed here */
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,SS$_IVCHAN);
}
return FALSE;
IoPAGE(io) = 0;
IoLINES_LEFT(io) = IoPAGE_LEN(io);
}
- IoTYPE(io) = ' ';
+ IoTYPE(io) = IoTYPE_CLOSED;
return retval;
}
int status;
if (IoIFP(io)) {
- if (IoTYPE(io) == '|') {
+ if (IoTYPE(io) == IoTYPE_PIPE) {
status = PerlProc_pclose(IoIFP(io));
if (not_implicit) {
STATUS_NATIVE_SET(status);
retval = (status != -1);
}
}
- else if (IoTYPE(io) == '-')
+ else if (IoTYPE(io) == IoTYPE_STD)
retval = TRUE;
else {
if (IoOFP(io) && IoOFP(io) != IoIFP(io)) { /* a socket */
bool
Perl_do_eof(pTHX_ GV *gv)
{
- dTHR;
register IO *io;
int ch;
if (!io)
return TRUE;
- else if (ckWARN(WARN_IO)
- && (IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
- || IoIFP(io) == PerlIO_stderr()))
+ else if (ckWARN(WARN_IO) && (IoTYPE(io) == IoTYPE_WRONLY))
{
- SV* sv = sv_newmortal();
- gv_efullname3(sv, gv, Nullch);
- Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
- SvPV_nolen(sv));
+ /* integrate to report_evil_fh()? */
+ char *name = NULL;
+ if (isGV(gv)) {
+ SV* sv = sv_newmortal();
+ gv_efullname4(sv, gv, Nullch, FALSE);
+ name = SvPV_nolen(sv);
+ }
+ if (name && *name)
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle %s opened only for output", name);
+ else
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle opened only for output");
}
while (IoIFP(io)) {
(void)PerlIO_ungetc(IoIFP(io),ch);
return FALSE;
}
+
if (PerlIO_has_cntptr(IoIFP(io)) && PerlIO_canset_cnt(IoIFP(io))) {
if (PerlIO_get_cnt(IoIFP(io)) < -1)
PerlIO_set_cnt(IoIFP(io),-1);
#endif
return PerlIO_tell(fp);
}
- {
- dTHR;
- if (ckWARN(WARN_UNOPENED))
- Perl_warner(aTHX_ WARN_UNOPENED, "tell() on unopened file");
- }
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,RMS$_IFI);
return (Off_t)-1;
}
#endif
return PerlIO_seek(fp, pos, whence) >= 0;
}
- {
- dTHR;
- if (ckWARN(WARN_UNOPENED))
- Perl_warner(aTHX_ WARN_UNOPENED, "seek() on unopened file");
- }
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,RMS$_IFI);
return FALSE;
}
if (gv && (io = GvIO(gv)) && (fp = IoIFP(io)))
return PerlLIO_lseek(PerlIO_fileno(fp), pos, whence);
- {
- dTHR;
- if (ckWARN(WARN_UNOPENED))
- Perl_warner(aTHX_ WARN_UNOPENED, "sysseek() on unopened file");
- }
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,RMS$_IFI);
return (Off_t)-1;
}
int
-Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int flag)
+Perl_mode_from_discipline(pTHX_ SV *discp)
{
- if (flag != TRUE)
- Perl_croak(aTHX_ "panic: unsetting binmode"); /* Not implemented yet */
-#ifdef DOSISH
-#if defined(atarist) || defined(__MINT__)
- if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
- return 1;
- else
- return 0;
-#else
- if (PerlLIO_setmode(PerlIO_fileno(fp), OP_BINARY) != -1) {
-#if defined(WIN32) && defined(__BORLANDC__)
- /* The translation mode of the stream is maintained independent
- * of the translation mode of the fd in the Borland RTL (heavy
- * digging through their runtime sources reveal). User has to
- * set the mode explicitly for the stream (though they don't
- * document this anywhere). GSAR 97-5-24
- */
- PerlIO_seek(fp,0L,0);
- ((FILE*)fp)->flags |= _F_BIN;
-#endif
- return 1;
- }
- else
- return 0;
-#endif
-#else
-#if defined(USEMYBINMODE)
- if (my_binmode(fp,iotype) != FALSE)
- return 1;
- else
- return 0;
+ int mode = O_BINARY;
+ if (discp) {
+ STRLEN len;
+ char *s = SvPV(discp,len);
+ while (*s) {
+ if (*s == ':') {
+ switch (s[1]) {
+ case 'r':
+ if (len > 3 && strnEQ(s+1, "raw", 3)
+ && (!s[4] || s[4] == ':' || isSPACE(s[4])))
+ {
+ mode = O_BINARY;
+ s += 4;
+ len -= 4;
+ break;
+ }
+ /* FALL THROUGH */
+ case 'c':
+ if (len > 4 && strnEQ(s+1, "crlf", 4)
+ && (!s[5] || s[5] == ':' || isSPACE(s[5])))
+ {
+ mode = O_TEXT;
+ s += 5;
+ len -= 5;
+ break;
+ }
+ /* FALL THROUGH */
+ default:
+ goto fail_discipline;
+ }
+ }
+ else if (isSPACE(*s)) {
+ ++s;
+ --len;
+ }
+ else {
+ char *end;
+fail_discipline:
+ end = strchr(s+1, ':');
+ if (!end)
+ end = s+len;
+#ifndef PERLIO_LAYERS
+ Perl_croak(aTHX_ "Unknown discipline '%.*s'", end-s, s);
#else
- return 1;
-#endif
+ s = end;
#endif
+ }
+ }
+ }
+ return mode;
+}
+
+int
+Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int mode)
+{
+ /* The old body of this is now in non-LAYER part of perlio.c
+ * This is a stub for any XS code which might have been calling it.
+ */
+ char *name = (O_BINARY != O_TEXT && !(mode & O_BINARY)) ? ":crlf" : ":raw";
+ return PerlIO_binmode(aTHX_ fp, iotype, mode, name);
}
#if !defined(HAS_TRUNCATE) && !defined(HAS_CHSIZE) && defined(F_FREESP)
}
switch (SvTYPE(sv)) {
case SVt_NULL:
- {
- dTHR;
- if (ckWARN(WARN_UNINITIALIZED))
- Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
- }
+ if (ckWARN(WARN_UNINITIALIZED))
+ report_uninit();
return TRUE;
case SVt_IV:
if (SvIOK(sv)) {
}
/* FALL THROUGH */
default:
+ if (PerlIO_isutf8(fp)) {
+ if (!SvUTF8(sv))
+ sv_utf8_upgrade(sv = sv_mortalcopy(sv));
+ }
+ else if (DO_UTF8(sv))
+ sv_utf8_downgrade((sv = sv_mortalcopy(sv)), FALSE);
tmps = SvPV(sv, len);
break;
}
* but only until the system hard limit/the filesystem limit,
* at which we would get EPERM. Note that when using buffered
* io the write failure can be delayed until the flush/close. --jhi */
- if (len && (PerlIO_write(fp,tmps,len) == 0 || PerlIO_error(fp)))
+ if (len && (PerlIO_write(fp,tmps,len) == 0))
return FALSE;
return !PerlIO_error(fp);
}
I32
Perl_my_stat(pTHX)
{
- djSP;
+ dSP;
IO *io;
- GV* tmpgv;
+ GV* gv;
if (PL_op->op_flags & OPf_REF) {
EXTEND(SP,1);
- tmpgv = cGVOP_gv;
+ gv = cGVOP_gv;
do_fstat:
- io = GvIO(tmpgv);
+ io = GvIO(gv);
if (io && IoIFP(io)) {
- PL_statgv = tmpgv;
+ PL_statgv = gv;
sv_setpv(PL_statname,"");
PL_laststype = OP_STAT;
return (PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache));
}
else {
- if (tmpgv == PL_defgv)
+ if (gv == PL_defgv)
return PL_laststatval;
- if (ckWARN(WARN_UNOPENED))
- Perl_warner(aTHX_ WARN_UNOPENED, "Stat on unopened file <%s>",
- GvENAME(tmpgv));
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
PL_statgv = Nullgv;
sv_setpv(PL_statname,"");
return (PL_laststatval = -1);
STRLEN n_a;
PUTBACK;
if (SvTYPE(sv) == SVt_PVGV) {
- tmpgv = (GV*)sv;
+ gv = (GV*)sv;
goto do_fstat;
}
else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
- tmpgv = (GV*)SvRV(sv);
+ gv = (GV*)SvRV(sv);
goto do_fstat;
}
I32
Perl_my_lstat(pTHX)
{
- djSP;
+ dSP;
SV *sv;
STRLEN n_a;
if (PL_op->op_flags & OPf_REF) {
STRLEN n_a;
if (sp > mark) {
- dTHR;
New(401,PL_Argv, sp - mark + 1, char*);
a = PL_Argv;
while (++mark <= sp) {
*a++ = "";
}
*a = Nullch;
- if (*PL_Argv[0] != '/') /* will execvp use PATH? */
+ if (really)
+ tmps = SvPV(really, n_a);
+ if ((!really && *PL_Argv[0] != '/') ||
+ (really && *tmps != '/')) /* will execvp use PATH? */
TAINT_ENV(); /* testing IFS here is overkill, probably */
- if (really && *(tmps = SvPV(really, n_a)))
- PerlProc_execvp(tmps,PL_Argv);
+ if (really && *tmps)
+ PerlProc_execvp(tmps,EXEC_ARGV_CAST(PL_Argv));
else
- PerlProc_execvp(PL_Argv[0],PL_Argv);
+ PerlProc_execvp(PL_Argv[0],EXEC_ARGV_CAST(PL_Argv));
if (ckWARN(WARN_EXEC))
- Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s",
- PL_Argv[0], Strerror(errno));
+ Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s",
+ (really ? tmps : PL_Argv[0]), Strerror(errno));
if (do_report) {
int e = errno;
if (strnEQ(cmd,"exec",4) && isSPACE(cmd[4]))
goto doshell;
- for (s = cmd; *s && isALPHA(*s); s++) ; /* catch VAR=val gizmo */
+ for (s = cmd; *s && isALNUM(*s); s++) ; /* catch VAR=val gizmo */
if (*s == '=')
goto doshell;
goto doshell;
}
{
- dTHR;
int e = errno;
if (ckWARN(WARN_EXEC))
- Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s",
+ Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s",
PL_Argv[0], Strerror(errno));
if (do_report) {
PerlLIO_write(fd, (void*)&e, sizeof(int));
I32
Perl_apply(pTHX_ I32 type, register SV **mark, register SV **sp)
{
- dTHR;
register I32 val;
register I32 val2;
register I32 tot = 0;
}
break;
#endif
-/*
+/*
XXX Should we make lchown() directly available from perl?
For now, we'll let Configure test for HAS_LCHOWN, but do
nothing in the core.
I32
Perl_do_ipcget(pTHX_ I32 optype, SV **mark, SV **sp)
{
- dTHR;
key_t key;
I32 n, flags;
I32
Perl_do_ipcctl(pTHX_ I32 optype, SV **mark, SV **sp)
{
- dTHR;
SV *astr;
char *a;
I32 id, n, cmd, infosize, getinfo;
{
struct semid_ds semds;
union semun semun;
-
+#ifdef EXTRA_F_IN_SEMUN_BUF
+ semun.buff = &semds;
+#else
semun.buf = &semds;
+#endif
getinfo = (cmd == GETALL);
if (Semctl(id, 0, IPC_STAT, semun) == -1)
return -1;
#ifdef Semctl
union semun unsemds;
+#ifdef EXTRA_F_IN_SEMUN_BUF
+ unsemds.buff = (struct semid_ds *)a;
+#else
unsemds.buf = (struct semid_ds *)a;
+#endif
ret = Semctl(id, n, cmd, unsemds);
#else
Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]);
Perl_do_msgsnd(pTHX_ SV **mark, SV **sp)
{
#ifdef HAS_MSG
- dTHR;
SV *mstr;
char *mbuf;
I32 id, msize, flags;
Perl_do_msgrcv(pTHX_ SV **mark, SV **sp)
{
#ifdef HAS_MSG
- dTHR;
SV *mstr;
char *mbuf;
long mtype;
id = SvIVx(*++mark);
mstr = *++mark;
+ /* suppress warning when reading into undef var --jhi */
+ if (! SvOK(mstr))
+ sv_setpvn(mstr, "", 0);
msize = SvIVx(*++mark);
mtype = (long)SvIVx(*++mark);
flags = SvIVx(*++mark);
SvPV_force(mstr, len);
mbuf = SvGROW(mstr, sizeof(long)+msize+1);
-
+
SETERRNO(0,0);
ret = msgrcv(id, (struct msgbuf *)mbuf, msize, mtype, flags);
if (ret >= 0) {
SvCUR_set(mstr, sizeof(long)+ret);
*SvEND(mstr) = '\0';
+#ifndef INCOMPLETE_TAINTS
+ /* who knows who has been playing with this message? */
+ SvTAINTED_on(mstr);
+#endif
}
return ret;
#else
Perl_do_semop(pTHX_ SV **mark, SV **sp)
{
#ifdef HAS_SEM
- dTHR;
SV *opstr;
char *opbuf;
I32 id;
Perl_do_shmio(pTHX_ I32 optype, SV **mark, SV **sp)
{
#ifdef HAS_SHM
- dTHR;
SV *mstr;
char *mbuf, *shm;
I32 id, mpos, msize;
if (shm == (char *)-1) /* I hate System V IPC, I really do */
return -1;
if (optype == OP_SHMREAD) {
+ /* suppress warning when reading into undef var (tchrist 3/Mar/00) */
+ if (! SvOK(mstr))
+ sv_setpvn(mstr, "", 0);
SvPV_force(mstr, len);
mbuf = SvGROW(mstr, msize+1);
SvCUR_set(mstr, msize);
*SvEND(mstr) = '\0';
SvSETMAGIC(mstr);
+#ifndef INCOMPLETE_TAINTS
+ /* who knows who has been playing with this shared memory? */
+ SvTAINTED_on(mstr);
+#endif
}
else {
I32 n;
#endif /* SYSV IPC */
+/*
+=for apidoc start_glob
+
+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.
+Moving it away shrinks pp_hot.c; shrinking pp_hot.c helps speed perl up.
+
+=cut
+*/
+
+PerlIO *
+Perl_start_glob (pTHX_ SV *tmpglob, IO *io)
+{
+ SV *tmpcmd = NEWSV(55, 0);
+ PerlIO *fp;
+ ENTER;
+ SAVEFREESV(tmpcmd);
+#ifdef VMS /* expand the wildcards right here, rather than opening a pipe, */
+ /* since spawning off a process is a real performance hit */
+ {
+#include <descrip.h>
+#include <lib$routines.h>
+#include <nam.h>
+#include <rmsdef.h>
+ 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;
+ struct dsc$descriptor_s wilddsc
+ = {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, 0};
+ struct dsc$descriptor_vs rsdsc
+ = {sizeof rslt, DSC$K_DTYPE_VT, DSC$K_CLASS_VS, rslt};
+ unsigned long int cxt = 0, sts = 0, ok = 1, hasdir = 0, hasver = 0, isunix = 0;
+
+ /* We could find out if there's an explicit dev/dir or version
+ by peeking into lib$find_file's internal context at
+ ((struct NAM *)((struct FAB *)cxt)->fab$l_nam)->nam$l_fnb
+ but that's unsupported, so I don't want to do it now and
+ have it bite someone in the future. */
+ strcat(tmpfnam,PerlLIO_tmpnam(NULL));
+ cp = SvPV(tmpglob,i);
+ for (; i; i--) {
+ if (cp[i] == ';') hasver = 1;
+ if (cp[i] == '.') {
+ if (sts) hasver = 1;
+ else sts = 1;
+ }
+ if (cp[i] == '/') {
+ hasdir = isunix = 1;
+ break;
+ }
+ if (cp[i] == ']' || cp[i] == '>' || cp[i] == ':') {
+ hasdir = 1;
+ break;
+ }
+ }
+ if ((tmpfp = PerlIO_open(tmpfnam,"w+","fop=dlt")) != NULL) {
+ Stat_t st;
+ if (!PerlLIO_stat(SvPVX(tmpglob),&st) && S_ISDIR(st.st_mode))
+ ok = ((wilddsc.dsc$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$a_pointer);
+ while (ok && ((sts = lib$find_file(&wilddsc,&rsdsc,&cxt,
+ &dfltdsc,NULL,NULL,NULL))&1)) {
+ end = rstr + (unsigned long int) *rslt;
+ if (!hasver) while (*end != ';') end--;
+ *(end++) = '\n'; *end = '\0';
+ for (cp = rstr; *cp; cp++) *cp = _tolower(*cp);
+ if (hasdir) {
+ if (isunix) trim_unixpath(rstr,SvPVX(tmpglob),1);
+ begin = rstr;
+ }
+ else {
+ begin = end;
+ while (*(--begin) != ']' && *begin != '>') ;
+ ++begin;
+ }
+ ok = (PerlIO_puts(tmpfp,begin) != EOF);
+ }
+ if (cxt) (void)lib$find_file_end(&cxt);
+ if (ok && sts != RMS$_NMF &&
+ sts != RMS$_DNF && sts != RMS$_FNF) ok = 0;
+ if (!ok) {
+ if (!(sts & 1)) {
+ SETERRNO((sts == RMS$_SYN ? EINVAL : EVMSERR),sts);
+ }
+ PerlIO_close(tmpfp);
+ fp = NULL;
+ }
+ else {
+ PerlIO_rewind(tmpfp);
+ IoTYPE(io) = IoTYPE_RDONLY;
+ IoIFP(io) = fp = tmpfp;
+ IoFLAGS(io) &= ~IOf_UNTAINT; /* maybe redundant */
+ }
+ }
+ }
+#else /* !VMS */
+#ifdef MACOS_TRADITIONAL
+ sv_setpv(tmpcmd, "glob ");
+ sv_catsv(tmpcmd, tmpglob);
+ sv_catpv(tmpcmd, " |");
+#else
+#ifdef DOSISH
+#ifdef OS2
+ sv_setpv(tmpcmd, "for a in ");
+ sv_catsv(tmpcmd, tmpglob);
+ sv_catpv(tmpcmd, "; do echo \"$a\\0\\c\"; done |");
+#else
+#ifdef DJGPP
+ sv_setpv(tmpcmd, "/dev/dosglob/"); /* File System Extension */
+ sv_catsv(tmpcmd, tmpglob);
+#else
+ sv_setpv(tmpcmd, "perlglob ");
+ sv_catsv(tmpcmd, tmpglob);
+ sv_catpv(tmpcmd, " |");
+#endif /* !DJGPP */
+#endif /* !OS2 */
+#else /* !DOSISH */
+#if defined(CSH)
+ sv_setpvn(tmpcmd, PL_cshname, PL_cshlen);
+ sv_catpv(tmpcmd, " -cf 'set nonomatch; glob ");
+ sv_catsv(tmpcmd, tmpglob);
+ sv_catpv(tmpcmd, "' 2>/dev/null |");
+#else
+ sv_setpv(tmpcmd, "echo ");
+ sv_catsv(tmpcmd, tmpglob);
+#if 'z' - 'a' == 25
+ sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\012\\012\\012\\012'|");
+#else
+ sv_catpv(tmpcmd, "|tr -s ' \t\f\r' '\\n\\n\\n\\n'|");
+#endif
+#endif /* !CSH */
+#endif /* !DOSISH */
+#endif /* MACOS_TRADITIONAL */
+ (void)do_open(PL_last_in_gv, SvPVX(tmpcmd), SvCUR(tmpcmd),
+ FALSE, O_RDONLY, 0, Nullfp);
+ fp = IoIFP(io);
+#endif /* !VMS */
+ LEAVE;
+ return fp;
+}
https://perl5.git.perl.org / perl5.git / blobdiff