/* doio.c
*
- * Copyright (c) 1991-1997, 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.
*/
#include "EXTERN.h"
+#define PERL_IN_DOIO_C
#include "perl.h"
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
+#ifndef HAS_SEM
#include <sys/ipc.h>
+#endif
#ifdef HAS_MSG
#include <sys/msg.h>
#endif
-#ifdef HAS_SEM
-#include <sys/sem.h>
-#endif
#ifdef HAS_SHM
#include <sys/shm.h>
# ifndef HAS_SHMAT_PROTOTYPE
- extern Shmat_t shmat _((int, char *, int));
+ extern Shmat_t shmat (int, char *, int);
# endif
#endif
#endif
#ifdef I_UTIME
-# ifdef _MSC_VER
+# if defined(_MSC_VER) || defined(__MINGW32__)
# include <sys/utime.h>
# else
# include <utime.h>
# endif
#endif
-#ifdef I_FCNTL
-#include <fcntl.h>
-#endif
-#ifdef I_SYS_FILE
-#include <sys/file.h>
+
+#ifdef O_EXCL
+# define OPEN_EXCL O_EXCL
+#else
+# define OPEN_EXCL 0
#endif
#if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX)
#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>
-# include <netdb.h>
-# ifndef ENOTSOCK
-# ifdef I_NET_ERRNO
-# include <net/errno.h>
-# endif
-# 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_openn(gv, name, len, as_raw, rawmode, rawperm,
+ supplied_fp, (SV **) NULL, 0);
+}
-/* 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_open9(pTHX_ GV *gv, register char *name, I32 len, int as_raw,
+ 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);
+}
bool
-do_open(GV *gv, register char *name, I32 len, int as_raw, int rawmode, int rawperm, PerlIO *supplied_fp)
+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);
+ }
- forkprocess = 1; /* assume true if no fork */
-
+ /* 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 <= 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)) {
result = PerlIO_close(IoOFP(io));
- PerlIO_close(IoIFP(io)); /* clear stdio, fd already closed */
+ PerlIO_close(IoIFP(io)); /* clear stdio, fd already closed */
}
else
result = PerlIO_close(IoIFP(io));
}
else
result = PerlIO_close(IoIFP(io));
- if (result == EOF && fd > maxsysfd)
- PerlIO_printf(PerlIO_stderr(), "Warning: unable to close filehandle %s properly.\n",
- GvENAME(gv));
+ 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) {
- result = rawmode & 3;
- IoTYPE(io) = "<>++"[result];
+ /* 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
+
+#ifndef O_ACCMODE
+#define O_ACCMODE 3 /* Assume traditional implementation */
+#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);
- fd = PerlLIO_open3(name, rawmode, rawperm);
- if (fd == -1)
- fp = NULL;
- else {
- char *fpmode;
- if (result == 0)
- fpmode = "r";
+
+ if (result == O_RDONLY) {
+ mode[ix++] = 'r';
+ }
#ifdef O_APPEND
- else if (rawmode & O_APPEND)
- fpmode = (result == 1) ? "a" : "a+";
+ else if (rawmode & O_APPEND) {
+ mode[ix++] = 'a';
+ if (result != O_WRONLY)
+ mode[ix++] = '+';
+ }
#endif
- else
- fpmode = (result == 1) ? "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;
+ type = Nullch;
+ fp = PerlIO_openn(aTHX_ type,mode, -1, rawmode, rawperm, NULL, num_svs, svp);
}
else {
- char *myname;
- char mode[3]; /* stdio file mode ("r\0" or "r+\0") */
- int dodup;
-
- myname = savepvn(name, len);
- SAVEFREEPV(myname);
- name = myname;
- while (len && isSPACE(name[len-1]))
- name[--len] = '\0';
-
- mode[0] = mode[1] = mode[2] = '\0';
- IoTYPE(io) = *name;
- if (*name == '+' && len > 1 && name[len-1] != '|') { /* scary */
- mode[1] = *name++;
- --len;
+ /* 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) {
+ /* 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;
+ }
+ IoTYPE(io) = *type;
+ if ((*type == IoTYPE_RDWR) && ((!num_svs || tend > type+1 && tend[-1] != IoTYPE_PIPE))) { /* scary */
+ mode[1] = *type++;
writing = 1;
}
- if (*name == '|') {
+ 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 (name++; isSPACE(*name); name++) ;
- if (strNE(name,"-"))
+ for (type++; isSPACE(*type); type++) ;
+ if (!num_svs) {
+ name = type;
+ 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;
+ goto say_false;
+ }
+ if (strNE(name,"-") || num_svs)
TAINT_ENV();
TAINT_PROPER("piped open");
- if (dowarn && name[strlen(name)-1] == '|')
- warn("Can't do bidirectional pipe");
- fp = PerlProc_popen(name,"w");
+ if (!num_svs && name[len-1] == '|') {
+ name[--len] = '\0' ;
+ if (ckWARN(WARN_PIPE))
+ Perl_warner(aTHX_ WARN_PIPE, "Can't open bidirectional pipe");
+ }
+ 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 (*name == '>') {
+ else if (*type == IoTYPE_WRONLY) {
TAINT_PROPER("open");
- name++;
- if (*name == '>') {
- mode[0] = IoTYPE(io) = 'a';
- name++;
+ type++;
+ if (*type == IoTYPE_WRONLY) {
+ /* Two IoTYPE_WRONLYs in a row make for an IoTYPE_APPEND. */
+ mode[0] = IoTYPE(io) = IoTYPE_APPEND;
+ type++;
}
- else
+ else {
mode[0] = 'w';
+ }
writing = 1;
- if (*name == '&') {
+ if (out_raw)
+ strcat(mode, "b");
+ else if (out_crlf)
+ strcat(mode, "t");
+
+ if (*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);
goto say_false;
}
if (IoIFP(thatio)) {
- fd = PerlIO_fileno(IoIFP(thatio));
- if (IoTYPE(thatio) == 's')
- IoTYPE(io) = 's';
+ PerlIO *fp = IoIFP(thatio);
+ /* Flush stdio buffer before dup. --mjd
+ * Unfortunately SEEK_CURing 0 seems to
+ * be optimized away on most platforms;
+ * only Solaris and Linux seem to flush
+ * on that. --jhi */
+#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);
+ /* 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;
}
if (dodup)
fd = PerlLIO_dup(fd);
- if (!(fp = PerlIO_fdopen(fd,mode))) {
+ else
+ was_fdopen = TRUE;
+ if (!num_svs)
+ type = Nullch;
+ 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(*name); name++) ;
- if (strEQ(name,"-")) {
+ for (; isSPACE(*type); 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(name,mode);
+ if (!num_svs) {
+ namesv = sv_2mortal(newSVpvn(type,strlen(type)));
+ num_svs = 1;
+ svp = &namesv;
+ type = Nullch;
+ }
+ fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp);
}
- }
+ } /* !& */
}
- else if (*name == '<') {
+ else if (*type == IoTYPE_RDONLY) {
+ if (num_svs > 1) {
+ Perl_croak(aTHX_ "More than one argument to '<' open");
+ }
/*SUPPRESS 530*/
- for (name++; isSPACE(*name); name++) ;
+ for (type++; isSPACE(*type); type++) ;
mode[0] = 'r';
- if (*name == '&')
+ if (in_raw)
+ strcat(mode, "b");
+ else if (in_crlf)
+ strcat(mode, "t");
+
+ if (*type == '&') {
goto duplicity;
- if (strEQ(name,"-")) {
+ }
+ 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 = Nullch;
+ }
+ fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp);
}
- else
- fp = PerlIO_open(name,mode);
}
- else if (name[len-1] == '|') {
- name[--len] = '\0';
- while (len && isSPACE(name[len-1]))
- name[--len] = '\0';
- /*SUPPRESS 530*/
- for (; isSPACE(*name); name++) ;
- if (strNE(name,"-"))
+ else if ((num_svs && type[0] == IoTYPE_STD && type[1] == IoTYPE_PIPE) ||
+ (!num_svs && tend > type+1 && tend[-1] == IoTYPE_PIPE)) {
+ if (num_svs) {
+ type += 2; /* skip over '-|' */
+ }
+ else {
+ *--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 */
+ if (ckWARN(WARN_PIPE))
+ Perl_warner(aTHX_ WARN_PIPE, "Missing command in piped open");
+ errno = EPIPE;
+ goto say_false;
+ }
+ 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 {
- IoTYPE(io) = '<';
+ if (num_svs)
+ goto unknown_desr;
+ name = type;
+ 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 = Nullch;
+ }
+ fp = PerlIO_openn(aTHX_ type,mode,-1,0,0,NULL,num_svs,svp);
}
- else
- fp = PerlIO_open(name,"r");
}
}
if (!fp) {
- if (dowarn && IoTYPE(io) == '<' && strchr(name, '\n'))
- warn(warn_nl, "open");
+ 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 (PerlLIO_fstat(PerlIO_fileno(fp),&statbuf) < 0) {
+
+ 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(statbuf.st_mode))
- IoTYPE(io) = 's'; /* in case a socket was passed in to us */
+ if (S_ISSOCK(PL_statbuf.st_mode))
+ IoTYPE(io) = IoTYPE_SOCKET; /* in case a socket was passed in to us */
#ifdef HAS_SOCKET
else if (
#ifdef S_IFMT
- !(statbuf.st_mode & S_IFMT)
+ !(PL_statbuf.st_mode & S_IFMT)
#else
- !statbuf.st_mode
+ !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)) {
- int pid;
+ if (savefd != fd) {
+ Pid_t pid;
SV *sv;
-
- PerlLIO_dup2(PerlIO_fileno(fp), fd);
- sv = *av_fetch(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(fdpid,fd,TRUE);
+ sv = *av_fetch(PL_fdpid,savefd,TRUE);
+ UNLOCK_FDPID_MUTEX;
(void)SvUPGRADE(sv, SVt_IV);
SvIVX(sv) = pid;
- PerlIO_close(fp);
-
+ if (!was_fdopen)
+ PerlIO_close(fp);
}
fp = saveifp;
PerlIO_clearerr(fp);
}
#if defined(HAS_FCNTL) && defined(F_SETFD)
- fd = PerlIO_fileno(fp);
- fcntl(fd,F_SETFD,fd > maxsysfd);
+ {
+ int save_errno = errno;
+ fd = PerlIO_fileno(fp);
+ fcntl(fd,F_SETFD,fd > PL_maxsysfd); /* can change errno */
+ errno = save_errno;
+ }
#endif
IoIFP(io) = fp;
+
+ IoFLAGS(io) &= ~IOf_NOLINE;
if (writing) {
- dTHR;
- if (IoTYPE(io) == 's'
- || (IoTYPE(io) == '>' && S_ISCHR(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_ type,mode,PerlIO_fileno(fp),0,0,NULL,num_svs,svp))) {
PerlIO_close(fp);
IoIFP(io) = Nullfp;
goto say_false;
}
PerlIO *
-nextargv(register GV *gv)
+Perl_nextargv(pTHX_ register GV *gv)
{
register SV *sv;
#ifndef FLEXFILENAMES
int filedev;
int fileino;
#endif
- int fileuid;
- int filegid;
-
- if (!argvoutgv)
- argvoutgv = gv_fetchpv("ARGVOUT",TRUE,SVt_PVIO);
- if (filemode & (S_ISUID|S_ISGID)) {
- PerlIO_flush(IoIFP(GvIOn(argvoutgv))); /* chmod must follow last write */
+ Uid_t fileuid;
+ Gid_t filegid;
+ IO *io = GvIOp(gv);
+
+ if (!PL_argvoutgv)
+ PL_argvoutgv = gv_fetchpv("ARGVOUT",TRUE,SVt_PVIO);
+ if (io && (IoFLAGS(io) & IOf_ARGV) && (IoFLAGS(io) & IOf_START)) {
+ IoFLAGS(io) &= ~IOf_START;
+ if (PL_inplace) {
+ if (!PL_argvout_stack)
+ PL_argvout_stack = newAV();
+ av_push(PL_argvout_stack, SvREFCNT_inc(PL_defoutgv));
+ }
+ }
+ if (PL_filemode & (S_ISUID|S_ISGID)) {
+ PerlIO_flush(IoIFP(GvIOn(PL_argvoutgv))); /* chmod must follow last write */
#ifdef HAS_FCHMOD
- (void)fchmod(lastfd,filemode);
+ (void)fchmod(PL_lastfd,PL_filemode);
#else
- (void)PerlLIO_chmod(oldname,filemode);
+ (void)PerlLIO_chmod(PL_oldname,PL_filemode);
#endif
}
- filemode = 0;
+ PL_filemode = 0;
while (av_len(GvAV(gv)) >= 0) {
- dTHR;
- STRLEN len;
+ STRLEN oldlen;
sv = av_shift(GvAV(gv));
SAVEFREESV(sv);
sv_setsv(GvSV(gv),sv);
SvSETMAGIC(GvSV(gv));
- oldname = SvPVx(GvSV(gv), len);
- if (do_open(gv,oldname,len,FALSE,0,0,Nullfp)) {
- if (inplace) {
+ PL_oldname = SvPVx(GvSV(gv), oldlen);
+ if (do_open(gv,PL_oldname,oldlen,PL_inplace!=0,O_RDONLY,0,Nullfp)) {
+ if (PL_inplace) {
TAINT_PROPER("inplace open");
- if (strEQ(oldname,"-")) {
+ if (oldlen == 1 && *PL_oldname == '-') {
setdefout(gv_fetchpv("STDOUT",TRUE,SVt_PVIO));
return IoIFP(GvIOp(gv));
}
#ifndef FLEXFILENAMES
- filedev = statbuf.st_dev;
- fileino = statbuf.st_ino;
-#endif
- filemode = statbuf.st_mode;
- fileuid = statbuf.st_uid;
- filegid = statbuf.st_gid;
- if (!S_ISREG(filemode)) {
- warn("Can't do inplace edit: %s is not a regular file",
- oldname );
+ filedev = PL_statbuf.st_dev;
+ fileino = PL_statbuf.st_ino;
+#endif
+ PL_filemode = PL_statbuf.st_mode;
+ fileuid = PL_statbuf.st_uid;
+ filegid = PL_statbuf.st_gid;
+ if (!S_ISREG(PL_filemode)) {
+ if (ckWARN_d(WARN_INPLACE))
+ Perl_warner(aTHX_ WARN_INPLACE,
+ "Can't do inplace edit: %s is not a regular file",
+ PL_oldname );
do_close(gv,FALSE);
continue;
}
- if (*inplace) {
-#ifdef SUFFIX
- add_suffix(sv,inplace);
-#else
- sv_catpv(sv,inplace);
-#endif
+ if (*PL_inplace) {
+ char *star = strchr(PL_inplace, '*');
+ if (star) {
+ char *begin = PL_inplace;
+ sv_setpvn(sv, "", 0);
+ do {
+ sv_catpvn(sv, begin, star - begin);
+ sv_catpvn(sv, PL_oldname, oldlen);
+ begin = ++star;
+ } while ((star = strchr(begin, '*')));
+ if (*begin)
+ sv_catpv(sv,begin);
+ }
+ else {
+ sv_catpv(sv,PL_inplace);
+ }
#ifndef FLEXFILENAMES
- if (PerlLIO_stat(SvPVX(sv),&statbuf) >= 0
- && statbuf.st_dev == filedev
- && 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
#endif
- ) {
- warn("Can't do inplace edit: %s would not be uniq",
- SvPVX(sv) );
+ )
+ {
+ if (ckWARN_d(WARN_INPLACE))
+ Perl_warner(aTHX_ WARN_INPLACE,
+ "Can't do inplace edit: %s would not be unique",
+ SvPVX(sv));
do_close(gv,FALSE);
continue;
}
#endif
#ifdef HAS_RENAME
-#ifndef DOSISH
- if (PerlLIO_rename(oldname,SvPVX(sv)) < 0) {
- warn("Can't rename %s to %s: %s, skipping file",
- oldname, SvPVX(sv), Strerror(errno) );
+#if !defined(DOSISH) && !defined(__CYGWIN__)
+ if (PerlLIO_rename(PL_oldname,SvPVX(sv)) < 0) {
+ if (ckWARN_d(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);
continue;
}
#else
do_close(gv,FALSE);
(void)PerlLIO_unlink(SvPVX(sv));
- (void)PerlLIO_rename(oldname,SvPVX(sv));
- do_open(gv,SvPVX(sv),SvCUR(sv),FALSE,0,0,Nullfp);
+ (void)PerlLIO_rename(PL_oldname,SvPVX(sv));
+ do_open(gv,SvPVX(sv),SvCUR(sv),PL_inplace!=0,O_RDONLY,0,Nullfp);
#endif /* DOSISH */
#else
(void)UNLINK(SvPVX(sv));
- if (link(oldname,SvPVX(sv)) < 0) {
- warn("Can't rename %s to %s: %s, skipping file",
- oldname, SvPVX(sv), Strerror(errno) );
+ if (link(PL_oldname,SvPVX(sv)) < 0) {
+ if (ckWARN_d(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);
continue;
}
- (void)UNLINK(oldname);
+ (void)UNLINK(PL_oldname);
#endif
}
else {
#if !defined(DOSISH) && !defined(AMIGAOS)
# ifndef VMS /* Don't delete; use automatic file versioning */
- if (UNLINK(oldname) < 0) {
- warn("Can't rename %s to %s: %s, skipping file",
- oldname, SvPVX(sv), Strerror(errno) );
+ if (UNLINK(PL_oldname) < 0) {
+ if (ckWARN_d(WARN_INPLACE))
+ Perl_warner(aTHX_ WARN_INPLACE,
+ "Can't remove %s: %s, skipping file",
+ PL_oldname, Strerror(errno) );
do_close(gv,FALSE);
continue;
}
# endif
#else
- croak("Can't do inplace edit without backup");
+ Perl_croak(aTHX_ "Can't do inplace edit without backup");
#endif
}
- sv_setpvn(sv,">",1);
- sv_catpv(sv,oldname);
+ sv_setpvn(sv,">",!PL_inplace);
+ sv_catpvn(sv,PL_oldname,oldlen);
SETERRNO(0,0); /* in case sprintf set errno */
- if (!do_open(argvoutgv,SvPVX(sv),SvCUR(sv),FALSE,0,0,Nullfp)) {
- warn("Can't do inplace edit on %s: %s",
- oldname, Strerror(errno) );
+#ifdef VMS
+ if (!do_open(PL_argvoutgv,SvPVX(sv),SvCUR(sv),PL_inplace!=0,
+ O_WRONLY|O_CREAT|O_TRUNC,0,Nullfp))
+#else
+ if (!do_open(PL_argvoutgv,SvPVX(sv),SvCUR(sv),PL_inplace!=0,
+ O_WRONLY|O_CREAT|OPEN_EXCL,0666,Nullfp))
+#endif
+ {
+ if (ckWARN_d(WARN_INPLACE))
+ Perl_warner(aTHX_ WARN_INPLACE, "Can't do inplace edit on %s: %s",
+ PL_oldname, Strerror(errno) );
do_close(gv,FALSE);
continue;
}
- setdefout(argvoutgv);
- lastfd = PerlIO_fileno(IoIFP(GvIOp(argvoutgv)));
- (void)PerlLIO_fstat(lastfd,&statbuf);
+ setdefout(PL_argvoutgv);
+ PL_lastfd = PerlIO_fileno(IoIFP(GvIOp(PL_argvoutgv)));
+ (void)PerlLIO_fstat(PL_lastfd,&PL_statbuf);
#ifdef HAS_FCHMOD
- (void)fchmod(lastfd,filemode);
+ (void)fchmod(PL_lastfd,PL_filemode);
#else
# if !(defined(WIN32) && defined(__BORLANDC__))
/* Borland runtime creates a readonly file! */
- (void)PerlLIO_chmod(oldname,filemode);
+ (void)PerlLIO_chmod(PL_oldname,PL_filemode);
# endif
#endif
- if (fileuid != statbuf.st_uid || filegid != statbuf.st_gid) {
+ if (fileuid != PL_statbuf.st_uid || filegid != PL_statbuf.st_gid) {
#ifdef HAS_FCHOWN
- (void)fchown(lastfd,fileuid,filegid);
+ (void)fchown(PL_lastfd,fileuid,filegid);
#else
#ifdef HAS_CHOWN
- (void)chown(oldname,fileuid,filegid);
+ (void)PerlLIO_chown(PL_oldname,fileuid,filegid);
#endif
#endif
}
}
return IoIFP(GvIOp(gv));
}
- else
- PerlIO_printf(PerlIO_stderr(), "Can't open %s: %s\n",
- SvPV(sv, na), Strerror(errno));
+ else {
+ if (ckWARN_d(WARN_INPLACE)) {
+ 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);
+ }
+ else
+ Perl_warner(aTHX_ WARN_INPLACE, "Can't open %s: %s",
+ PL_oldname, Strerror(eno));
+ }
+ }
}
- if (inplace) {
- (void)do_close(argvoutgv,FALSE);
+ if (io && (IoFLAGS(io) & IOf_ARGV))
+ IoFLAGS(io) |= IOf_START;
+ if (PL_inplace) {
+ (void)do_close(PL_argvoutgv,FALSE);
+ if (io && (IoFLAGS(io) & IOf_ARGV)
+ && PL_argvout_stack && AvFILLp(PL_argvout_stack) >= 0)
+ {
+ GV *oldout = (GV*)av_pop(PL_argvout_stack);
+ setdefout(oldout);
+ SvREFCNT_dec(oldout);
+ return Nullfp;
+ }
setdefout(gv_fetchpv("STDOUT",TRUE,SVt_PVIO));
}
return Nullfp;
#ifdef HAS_PIPE
void
-do_pipe(SV *sv, GV *rgv, GV *wgv)
+Perl_do_pipe(pTHX_ SV *sv, GV *rgv, GV *wgv)
{
register IO *rstio;
register IO *wstio;
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]);
goto badexit;
}
- sv_setsv(sv,&sv_yes);
+ sv_setsv(sv,&PL_sv_yes);
return;
badexit:
- sv_setsv(sv,&sv_undef);
+ sv_setsv(sv,&PL_sv_undef);
return;
}
#endif
/* explicit renamed to avoid C++ conflict -- kja */
bool
-#ifndef CAN_PROTOTYPE
-do_close(gv,not_implicit)
-GV *gv;
-bool not_implicit;
-#else
-do_close(GV *gv, bool not_implicit)
-#endif /* CAN_PROTOTYPE */
+Perl_do_close(pTHX_ GV *gv, bool not_implicit)
{
bool retval;
IO *io;
if (!gv)
- gv = argvgv;
+ gv = PL_argvgv;
if (!gv || SvTYPE(gv) != SVt_PVGV) {
- SETERRNO(EBADF,SS$_IVCHAN);
+ if (not_implicit)
+ SETERRNO(EBADF,SS$_IVCHAN);
return FALSE;
}
io = GvIO(gv);
if (!io) { /* never opened */
- if (dowarn && not_implicit)
- warn("Close on unopened file <%s>",GvENAME(gv));
+ if (not_implicit) {
+ if (ckWARN(WARN_UNOPENED)) /* no check for closed here */
+ report_evil_fh(gv, io, PL_op->op_type);
+ SETERRNO(EBADF,SS$_IVCHAN);
+ }
return FALSE;
}
- retval = io_close(io);
+ retval = io_close(io, not_implicit);
if (not_implicit) {
IoLINES(io) = 0;
IoPAGE(io) = 0;
IoLINES_LEFT(io) = IoPAGE_LEN(io);
}
- IoTYPE(io) = ' ';
+ IoTYPE(io) = IoTYPE_CLOSED;
return retval;
}
bool
-io_close(IO *io)
+Perl_io_close(pTHX_ IO *io, bool not_implicit)
{
bool retval = FALSE;
int status;
if (IoIFP(io)) {
- if (IoTYPE(io) == '|') {
+ if (IoTYPE(io) == IoTYPE_PIPE) {
status = PerlProc_pclose(IoIFP(io));
- STATUS_NATIVE_SET(status);
- retval = (STATUS_POSIX == 0);
+ if (not_implicit) {
+ STATUS_NATIVE_SET(status);
+ retval = (STATUS_POSIX == 0);
+ }
+ else {
+ 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 */
}
IoOFP(io) = IoIFP(io) = Nullfp;
}
+ else if (not_implicit) {
+ SETERRNO(EBADF,SS$_IVCHAN);
+ }
return retval;
}
bool
-do_eof(GV *gv)
+Perl_do_eof(pTHX_ GV *gv)
{
- dTHR;
register IO *io;
int ch;
if (!io)
return TRUE;
+ else if (ckWARN(WARN_IO) && (IoTYPE(io) == IoTYPE_WRONLY))
+ {
+ /* integrate to report_evil_fh()? */
+ char *name = NULL;
+ if (isGV(gv)) {
+ SV* sv = sv_newmortal();
+ gv_efullname4(sv, gv, Nullch, FALSE);
+ name = SvPV_nolen(sv);
+ }
+ if (name && *name)
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle %s opened only for output", name);
+ else
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle opened only for output");
+ }
while (IoIFP(io)) {
(void)PerlIO_ungetc(IoIFP(io),ch);
return FALSE;
}
+
if (PerlIO_has_cntptr(IoIFP(io)) && PerlIO_canset_cnt(IoIFP(io))) {
if (PerlIO_get_cnt(IoIFP(io)) < -1)
PerlIO_set_cnt(IoIFP(io),-1);
}
- if (op->op_flags & OPf_SPECIAL) { /* not necessarily a real EOF yet? */
- if (!nextargv(argvgv)) /* get another fp handy */
+ if (PL_op->op_flags & OPf_SPECIAL) { /* not necessarily a real EOF yet? */
+ if (!nextargv(PL_argvgv)) /* get another fp handy */
return TRUE;
}
else
return TRUE;
}
-long
-do_tell(GV *gv)
+Off_t
+Perl_do_tell(pTHX_ GV *gv)
{
register IO *io;
register PerlIO *fp;
#endif
return PerlIO_tell(fp);
}
- if (dowarn)
- warn("tell() on unopened file");
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,RMS$_IFI);
- return -1L;
+ return (Off_t)-1;
}
bool
-do_seek(GV *gv, long int pos, int whence)
+Perl_do_seek(pTHX_ GV *gv, Off_t pos, int whence)
{
register IO *io;
register PerlIO *fp;
#endif
return PerlIO_seek(fp, pos, whence) >= 0;
}
- if (dowarn)
- warn("seek() on unopened file");
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,RMS$_IFI);
return FALSE;
}
-long
-do_sysseek(GV *gv, long int pos, int whence)
+Off_t
+Perl_do_sysseek(pTHX_ GV *gv, Off_t pos, int whence)
{
register IO *io;
register PerlIO *fp;
if (gv && (io = GvIO(gv)) && (fp = IoIFP(io)))
return PerlLIO_lseek(PerlIO_fileno(fp), pos, whence);
- if (dowarn)
- warn("sysseek() on unopened file");
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
SETERRNO(EBADF,RMS$_IFI);
- return -1L;
+ return (Off_t)-1;
+}
+
+int
+Perl_mode_from_discipline(pTHX_ SV *discp)
+{
+ 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
+ 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)
#endif /* F_FREESP */
bool
-do_print(register SV *sv, PerlIO *fp)
+Perl_do_print(pTHX_ register SV *sv, PerlIO *fp)
{
register char *tmps;
STRLEN len;
/* assuming fp is checked earlier */
if (!sv)
return TRUE;
- if (ofmt) {
+ if (PL_ofmt) {
if (SvGMAGICAL(sv))
mg_get(sv);
if (SvIOK(sv) && SvIVX(sv) != 0) {
- PerlIO_printf(fp, ofmt, (double)SvIVX(sv));
+ PerlIO_printf(fp, PL_ofmt, (NV)SvIVX(sv));
return !PerlIO_error(fp);
}
if ( (SvNOK(sv) && SvNVX(sv) != 0.0)
|| (looks_like_number(sv) && sv_2nv(sv) != 0.0) ) {
- PerlIO_printf(fp, ofmt, SvNVX(sv));
+ PerlIO_printf(fp, PL_ofmt, SvNVX(sv));
return !PerlIO_error(fp);
}
}
switch (SvTYPE(sv)) {
case SVt_NULL:
- if (dowarn)
- warn(warn_uninit);
+ if (ckWARN(WARN_UNINITIALIZED))
+ report_uninit();
return TRUE;
case SVt_IV:
if (SvIOK(sv)) {
if (SvGMAGICAL(sv))
mg_get(sv);
- PerlIO_printf(fp, "%ld", (long)SvIVX(sv));
+ if (SvIsUV(sv))
+ PerlIO_printf(fp, "%"UVuf, (UV)SvUVX(sv));
+ else
+ PerlIO_printf(fp, "%"IVdf, (IV)SvIVX(sv));
return !PerlIO_error(fp);
}
/* 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;
}
- if (len && (PerlIO_write(fp,tmps,len) == 0 || PerlIO_error(fp)))
+ /* To detect whether the process is about to overstep its
+ * filesize limit we would need getrlimit(). We could then
+ * also transparently raise the limit with setrlimit() --
+ * 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))
return FALSE;
return !PerlIO_error(fp);
}
I32
-my_stat(ARGSproto)
+Perl_my_stat(pTHX)
{
- djSP;
+ dSP;
IO *io;
- GV* tmpgv;
+ GV* gv;
- if (op->op_flags & OPf_REF) {
- EXTEND(sp,1);
- tmpgv = cGVOP->op_gv;
+ if (PL_op->op_flags & OPf_REF) {
+ EXTEND(SP,1);
+ gv = cGVOP_gv;
do_fstat:
- io = GvIO(tmpgv);
+ io = GvIO(gv);
if (io && IoIFP(io)) {
- statgv = tmpgv;
- sv_setpv(statname,"");
- laststype = OP_STAT;
- return (laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &statcache));
+ 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 == defgv)
- return laststatval;
- if (dowarn)
- warn("Stat on unopened file <%s>",
- GvENAME(tmpgv));
- statgv = Nullgv;
- sv_setpv(statname,"");
- return (laststatval = -1);
+ if (gv == PL_defgv)
+ return PL_laststatval;
+ 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);
}
}
else {
SV* sv = POPs;
+ char *s;
+ 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;
}
- statgv = Nullgv;
- sv_setpv(statname,SvPV(sv, na));
- laststype = OP_STAT;
- laststatval = PerlLIO_stat(SvPV(sv, na),&statcache);
- if (laststatval < 0 && dowarn && strchr(SvPV(sv, na), '\n'))
- warn(warn_nl, "stat");
- return laststatval;
+ s = SvPV(sv, n_a);
+ PL_statgv = Nullgv;
+ sv_setpv(PL_statname, s);
+ PL_laststype = OP_STAT;
+ PL_laststatval = PerlLIO_stat(s, &PL_statcache);
+ if (PL_laststatval < 0 && ckWARN(WARN_NEWLINE) && strchr(s, '\n'))
+ Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
+ return PL_laststatval;
}
}
I32
-my_lstat(ARGSproto)
+Perl_my_lstat(pTHX)
{
- djSP;
+ dSP;
SV *sv;
- if (op->op_flags & OPf_REF) {
- EXTEND(sp,1);
- if (cGVOP->op_gv == defgv) {
- if (laststype != OP_LSTAT)
- croak("The stat preceding -l _ wasn't an lstat");
- return laststatval;
- }
- croak("You can't use -l on a filehandle");
+ STRLEN n_a;
+ if (PL_op->op_flags & OPf_REF) {
+ EXTEND(SP,1);
+ if (cGVOP_gv == PL_defgv) {
+ if (PL_laststype != OP_LSTAT)
+ Perl_croak(aTHX_ "The stat preceding -l _ wasn't an lstat");
+ return PL_laststatval;
+ }
+ Perl_croak(aTHX_ "You can't use -l on a filehandle");
}
- laststype = OP_LSTAT;
- statgv = Nullgv;
+ PL_laststype = OP_LSTAT;
+ PL_statgv = Nullgv;
sv = POPs;
PUTBACK;
- sv_setpv(statname,SvPV(sv, na));
-#ifdef HAS_LSTAT
- laststatval = PerlLIO_lstat(SvPV(sv, na),&statcache);
-#else
- laststatval = PerlLIO_stat(SvPV(sv, na),&statcache);
-#endif
- if (laststatval < 0 && dowarn && strchr(SvPV(sv, na), '\n'))
- warn(warn_nl, "lstat");
- return laststatval;
+ sv_setpv(PL_statname,SvPV(sv, n_a));
+ PL_laststatval = PerlLIO_lstat(SvPV(sv, n_a),&PL_statcache);
+ if (PL_laststatval < 0 && ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
+ Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "lstat");
+ return PL_laststatval;
+}
+
+bool
+Perl_do_aexec(pTHX_ SV *really, register SV **mark, register SV **sp)
+{
+ return do_aexec5(really, mark, sp, 0, 0);
}
bool
-do_aexec(SV *really, register SV **mark, register SV **sp)
+Perl_do_aexec5(pTHX_ SV *really, register SV **mark, register SV **sp,
+ int fd, int do_report)
{
+#ifdef MACOS_TRADITIONAL
+ Perl_croak(aTHX_ "exec? I'm not *that* kind of operating system");
+#else
register char **a;
char *tmps;
+ STRLEN n_a;
if (sp > mark) {
- dTHR;
- New(401,Argv, sp - mark + 1, char*);
- a = Argv;
+ New(401,PL_Argv, sp - mark + 1, char*);
+ a = PL_Argv;
while (++mark <= sp) {
if (*mark)
- *a++ = SvPVx(*mark, na);
+ *a++ = SvPVx(*mark, n_a);
else
*a++ = "";
}
*a = Nullch;
- if (*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, na)))
- PerlProc_execvp(tmps,Argv);
+ if (really && *tmps)
+ PerlProc_execvp(tmps,EXEC_ARGV_CAST(PL_Argv));
else
- PerlProc_execvp(Argv[0],Argv);
- if (dowarn)
- warn("Can't exec \"%s\": %s", Argv[0], Strerror(errno));
+ PerlProc_execvp(PL_Argv[0],EXEC_ARGV_CAST(PL_Argv));
+ if (ckWARN(WARN_EXEC))
+ Perl_warner(aTHX_ WARN_EXEC, "Can't exec \"%s\": %s",
+ (really ? tmps : PL_Argv[0]), Strerror(errno));
+ if (do_report) {
+ int e = errno;
+
+ PerlLIO_write(fd, (void*)&e, sizeof(int));
+ PerlLIO_close(fd);
+ }
}
do_execfree();
+#endif
return FALSE;
}
void
-do_execfree(void)
+Perl_do_execfree(pTHX)
{
- if (Argv) {
- Safefree(Argv);
- Argv = Null(char **);
+ if (PL_Argv) {
+ Safefree(PL_Argv);
+ PL_Argv = Null(char **);
}
- if (Cmd) {
- Safefree(Cmd);
- Cmd = Nullch;
+ if (PL_Cmd) {
+ Safefree(PL_Cmd);
+ PL_Cmd = Nullch;
}
}
-#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP)
+#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(MACOS_TRADITIONAL)
bool
-do_exec(char *cmd)
+Perl_do_exec(pTHX_ char *cmd)
+{
+ return do_exec3(cmd,0,0);
+}
+
+bool
+Perl_do_exec3(pTHX_ char *cmd, int fd, int do_report)
{
register char **a;
register char *s;
/* save an extra exec if possible */
#ifdef CSH
- if (strnEQ(cmd,cshname,cshlen) && strnEQ(cmd+cshlen," -c",3)) {
+ if (strnEQ(cmd,PL_cshname,PL_cshlen) && strnEQ(cmd+PL_cshlen," -c",3)) {
strcpy(flags,"-c");
- s = cmd+cshlen+3;
+ s = cmd+PL_cshlen+3;
if (*s == 'f') {
s++;
strcat(flags,"f");
*--s = '\0';
if (s[-1] == '\'') {
*--s = '\0';
- PerlProc_execl(cshname,"csh", flags,ncmd,(char*)0);
+ PerlProc_execl(PL_cshname,"csh", flags,ncmd,(char*)0);
*s = '\'';
return FALSE;
}
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;
*s = '\0';
break;
}
+ /* handle the 2>&1 construct at the end */
+ if (*s == '>' && s[1] == '&' && s[2] == '1'
+ && s > cmd + 1 && s[-1] == '2' && isSPACE(s[-2])
+ && (!s[3] || isSPACE(s[3])))
+ {
+ char *t = s + 3;
+
+ while (*t && isSPACE(*t))
+ ++t;
+ if (!*t && (dup2(1,2) != -1)) {
+ s[-2] = '\0';
+ break;
+ }
+ }
doshell:
- PerlProc_execl(sh_path, "sh", "-c", cmd, (char*)0);
+ PerlProc_execl(PL_sh_path, "sh", "-c", cmd, (char*)0);
return FALSE;
}
}
- New(402,Argv, (s - cmd) / 2 + 2, char*);
- Cmd = savepvn(cmd, s-cmd);
- a = Argv;
- for (s = Cmd; *s;) {
+ New(402,PL_Argv, (s - cmd) / 2 + 2, char*);
+ PL_Cmd = savepvn(cmd, s-cmd);
+ a = PL_Argv;
+ for (s = PL_Cmd; *s;) {
while (*s && isSPACE(*s)) s++;
if (*s)
*(a++) = s;
*s++ = '\0';
}
*a = Nullch;
- if (Argv[0]) {
- PerlProc_execvp(Argv[0],Argv);
+ if (PL_Argv[0]) {
+ PerlProc_execvp(PL_Argv[0],PL_Argv);
if (errno == ENOEXEC) { /* for system V NIH syndrome */
do_execfree();
goto doshell;
}
- if (dowarn)
- warn("Can't exec \"%s\": %s", Argv[0], Strerror(errno));
+ {
+ int e = errno;
+
+ if (ckWARN(WARN_EXEC))
+ 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));
+ PerlLIO_close(fd);
+ }
+ }
}
do_execfree();
return FALSE;
#endif /* OS2 || WIN32 */
I32
-apply(I32 type, register SV **mark, register SV **sp)
+Perl_apply(pTHX_ I32 type, register SV **mark, register SV **sp)
{
- dTHR;
register I32 val;
register I32 val2;
register I32 tot = 0;
+ char *what;
char *s;
SV **oldmark = mark;
+ STRLEN n_a;
+
+#define APPLY_TAINT_PROPER() \
+ STMT_START { \
+ if (PL_tainted) { TAINT_PROPER(what); } \
+ } STMT_END
- if (tainting) {
+ /* This is a first heuristic; it doesn't catch tainting magic. */
+ if (PL_tainting) {
while (++mark <= sp) {
if (SvTAINTED(*mark)) {
TAINT;
}
switch (type) {
case OP_CHMOD:
- TAINT_PROPER("chmod");
+ what = "chmod";
+ APPLY_TAINT_PROPER();
if (++mark <= sp) {
- tot = sp - mark;
val = SvIVx(*mark);
+ APPLY_TAINT_PROPER();
+ tot = sp - mark;
while (++mark <= sp) {
- if (PerlLIO_chmod(SvPVx(*mark, na),val))
+ char *name = SvPVx(*mark, n_a);
+ APPLY_TAINT_PROPER();
+ if (PerlLIO_chmod(name, val))
tot--;
}
}
break;
#ifdef HAS_CHOWN
case OP_CHOWN:
- TAINT_PROPER("chown");
+ what = "chown";
+ APPLY_TAINT_PROPER();
if (sp - mark > 2) {
val = SvIVx(*++mark);
val2 = SvIVx(*++mark);
+ APPLY_TAINT_PROPER();
tot = sp - mark;
while (++mark <= sp) {
- if (chown(SvPVx(*mark, na),val,val2))
+ char *name = SvPVx(*mark, n_a);
+ APPLY_TAINT_PROPER();
+ if (PerlLIO_chown(name, val, val2))
tot--;
}
}
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.
+ --AD 5/1998
+*/
#ifdef HAS_KILL
case OP_KILL:
- TAINT_PROPER("kill");
+ what = "kill";
+ APPLY_TAINT_PROPER();
if (mark == sp)
break;
- s = SvPVx(*++mark, na);
- tot = sp - mark;
+ s = SvPVx(*++mark, n_a);
if (isUPPER(*s)) {
if (*s == 'S' && s[1] == 'I' && s[2] == 'G')
s += 3;
if (!(val = whichsig(s)))
- croak("Unrecognized signal name \"%s\"",s);
+ Perl_croak(aTHX_ "Unrecognized signal name \"%s\"",s);
}
else
val = SvIVx(*mark);
+ APPLY_TAINT_PROPER();
+ tot = sp - mark;
#ifdef VMS
/* kill() doesn't do process groups (job trees?) under VMS */
if (val < 0) val = -val;
while (++mark <= sp) {
I32 proc = SvIVx(*mark);
register unsigned long int __vmssts;
+ APPLY_TAINT_PROPER();
if (!((__vmssts = sys$delprc(&proc,0)) & 1)) {
tot--;
switch (__vmssts) {
val = -val;
while (++mark <= sp) {
I32 proc = SvIVx(*mark);
+ APPLY_TAINT_PROPER();
#ifdef HAS_KILLPG
if (PerlProc_killpg(proc,val)) /* BSD */
#else
}
else {
while (++mark <= sp) {
- if (PerlProc_kill(SvIVx(*mark),val))
+ I32 proc = SvIVx(*mark);
+ APPLY_TAINT_PROPER();
+ if (PerlProc_kill(proc, val))
tot--;
}
}
break;
#endif
case OP_UNLINK:
- TAINT_PROPER("unlink");
+ what = "unlink";
+ APPLY_TAINT_PROPER();
tot = sp - mark;
while (++mark <= sp) {
- s = SvPVx(*mark, na);
- if (euid || unsafe) {
+ s = SvPVx(*mark, n_a);
+ APPLY_TAINT_PROPER();
+ if (PL_euid || PL_unsafe) {
if (UNLINK(s))
tot--;
}
else { /* don't let root wipe out directories without -U */
-#ifdef HAS_LSTAT
- if (PerlLIO_lstat(s,&statbuf) < 0 || S_ISDIR(statbuf.st_mode))
-#else
- if (PerlLIO_stat(s,&statbuf) < 0 || S_ISDIR(statbuf.st_mode))
-#endif
+ if (PerlLIO_lstat(s,&PL_statbuf) < 0 || S_ISDIR(PL_statbuf.st_mode))
tot--;
else {
if (UNLINK(s))
break;
#ifdef HAS_UTIME
case OP_UTIME:
- TAINT_PROPER("utime");
+ what = "utime";
+ APPLY_TAINT_PROPER();
if (sp - mark > 2) {
#if defined(I_UTIME) || defined(VMS)
struct utimbuf utbuf;
#else
struct {
- long actime;
- long modtime;
+ Time_t actime;
+ Time_t modtime;
} utbuf;
#endif
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(*++mark); /* time accessed */
+ utbuf.modtime = (Time_t)SvNVx(*++mark); /* time modified */
#else
- utbuf.actime = SvIVx(*++mark); /* time accessed */
- utbuf.modtime = SvIVx(*++mark); /* time modified */
+ utbuf.actime = (Time_t)SvIVx(*++mark); /* time accessed */
+ utbuf.modtime = (Time_t)SvIVx(*++mark); /* time modified */
#endif
+ APPLY_TAINT_PROPER();
tot = sp - mark;
while (++mark <= sp) {
- if (PerlLIO_utime(SvPVx(*mark, na),&utbuf))
+ char *name = SvPVx(*mark, n_a);
+ APPLY_TAINT_PROPER();
+ if (PerlLIO_utime(name, &utbuf))
tot--;
}
}
#endif
}
return tot;
+
+#undef APPLY_TAINT_PROPER
}
/* Do the permissions allow some operation? Assumes statcache already set. */
#ifndef VMS /* VMS' cando is in vms.c */
-I32
-cando(I32 bit, I32 effective, register struct stat *statbufp)
+bool
+Perl_cando(pTHX_ Mode_t mode, Uid_t effective, register Stat_t *statbufp)
+/* Note: we use `effective' both for uids and gids.
+ * Here we are betting on Uid_t being equal or wider than Gid_t. */
{
#ifdef DOSISH
/* [Comments and code from Len Reed]
/* Atari stat() does pretty much the same thing. we set x_bit_set_in_stat
* too so it will actually look into the files for magic numbers
*/
- return (bit & statbufp->st_mode) ? TRUE : FALSE;
+ return (mode & statbufp->st_mode) ? TRUE : FALSE;
#else /* ! DOSISH */
- if ((effective ? euid : uid) == 0) { /* root is special */
- if (bit == S_IXUSR) {
+ if ((effective ? PL_euid : PL_uid) == 0) { /* root is special */
+ if (mode == S_IXUSR) {
if (statbufp->st_mode & 0111 || S_ISDIR(statbufp->st_mode))
return TRUE;
}
return TRUE; /* root reads and writes anything */
return FALSE;
}
- if (statbufp->st_uid == (effective ? euid : uid) ) {
- if (statbufp->st_mode & bit)
+ if (statbufp->st_uid == (effective ? PL_euid : PL_uid) ) {
+ if (statbufp->st_mode & mode)
return TRUE; /* ok as "user" */
}
- else if (ingroup((I32)statbufp->st_gid,effective)) {
- if (statbufp->st_mode & bit >> 3)
+ else if (ingroup(statbufp->st_gid,effective)) {
+ if (statbufp->st_mode & mode >> 3)
return TRUE; /* ok as "group" */
}
- else if (statbufp->st_mode & bit >> 6)
+ else if (statbufp->st_mode & mode >> 6)
return TRUE; /* ok as "other" */
return FALSE;
#endif /* ! DOSISH */
}
#endif /* ! VMS */
-I32
-ingroup(I32 testgid, I32 effective)
+bool
+Perl_ingroup(pTHX_ Gid_t testgid, Uid_t effective)
{
- if (testgid == (effective ? egid : gid))
+#ifdef MACOS_TRADITIONAL
+ /* This is simply not correct for AppleShare, but fix it yerself. */
+ return TRUE;
+#else
+ if (testgid == (effective ? PL_egid : PL_gid))
return TRUE;
#ifdef HAS_GETGROUPS
#ifndef NGROUPS
}
#endif
return FALSE;
+#endif
}
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
I32
-do_ipcget(I32 optype, SV **mark, SV **sp)
+Perl_do_ipcget(pTHX_ I32 optype, SV **mark, SV **sp)
{
- dTHR;
key_t key;
I32 n, flags;
#endif
#if !defined(HAS_MSG) || !defined(HAS_SEM) || !defined(HAS_SHM)
default:
- croak("%s not implemented", op_desc[optype]);
+ Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]);
#endif
}
return -1; /* should never happen */
}
I32
-do_ipcctl(I32 optype, SV **mark, SV **sp)
+Perl_do_ipcctl(pTHX_ I32 optype, SV **mark, SV **sp)
{
- dTHR;
SV *astr;
char *a;
I32 id, n, cmd, infosize, getinfo;
I32 ret = -1;
-#ifdef __linux__ /* XXX Need metaconfig test */
- union semun unsemds;
-#endif
id = SvIVx(*++mark);
n = (optype == OP_SEMCTL) ? SvIVx(*++mark) : 0;
#endif
#ifdef HAS_SEM
case OP_SEMCTL:
+#ifdef Semctl
if (cmd == IPC_STAT || cmd == IPC_SET)
infosize = sizeof(struct semid_ds);
else if (cmd == GETALL || cmd == SETALL)
{
struct semid_ds semds;
-#ifdef __linux__ /* XXX Need metaconfig test */
-/* linux (and Solaris2?) uses :
- int semctl (int semid, int semnum, int cmd, union semun arg)
- union semun {
- int val;
- struct semid_ds *buf;
- ushort *array;
- };
-*/
- union semun semun;
- semun.buf = &semds;
- if (semctl(id, 0, IPC_STAT, semun) == -1)
+ union semun semun;
+#ifdef EXTRA_F_IN_SEMUN_BUF
+ semun.buff = &semds;
#else
- if (semctl(id, 0, IPC_STAT, &semds) == -1)
+ semun.buf = &semds;
#endif
- return -1;
getinfo = (cmd == GETALL);
+ if (Semctl(id, 0, IPC_STAT, semun) == -1)
+ return -1;
infosize = semds.sem_nsems * sizeof(short);
/* "short" is technically wrong but much more portable
than guessing about u_?short(_t)? */
}
+#else
+ Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]);
+#endif
break;
#endif
#if !defined(HAS_MSG) || !defined(HAS_SEM) || !defined(HAS_SHM)
default:
- croak("%s not implemented", op_desc[optype]);
+ Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]);
#endif
}
{
a = SvPV(astr, len);
if (len != infosize)
- croak("Bad arg length for %s, is %lu, should be %ld",
- op_desc[optype], (unsigned long)len, (long)infosize);
+ Perl_croak(aTHX_ "Bad arg length for %s, is %lu, should be %ld",
+ PL_op_desc[optype],
+ (unsigned long)len,
+ (long)infosize);
}
}
else
{
IV i = SvIV(astr);
- a = (char *)i; /* ouch */
+ a = INT2PTR(char *,i); /* ouch */
}
SETERRNO(0,0);
switch (optype)
break;
#endif
#ifdef HAS_SEM
- case OP_SEMCTL:
-#ifdef __linux__ /* XXX Need metaconfig test */
- unsemds.buf = (struct semid_ds *)a;
- ret = semctl(id, n, cmd, unsemds);
+ case OP_SEMCTL: {
+#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
- ret = semctl(id, n, cmd, (struct semid_ds *)a);
+ Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]);
#endif
+ }
break;
#endif
#ifdef HAS_SHM
}
I32
-do_msgsnd(SV **mark, SV **sp)
+Perl_do_msgsnd(pTHX_ SV **mark, SV **sp)
{
#ifdef HAS_MSG
- dTHR;
SV *mstr;
char *mbuf;
I32 id, msize, flags;
flags = SvIVx(*++mark);
mbuf = SvPV(mstr, len);
if ((msize = len - sizeof(long)) < 0)
- croak("Arg too short for msgsnd");
+ Perl_croak(aTHX_ "Arg too short for msgsnd");
SETERRNO(0,0);
return msgsnd(id, (struct msgbuf *)mbuf, msize, flags);
#else
- croak("msgsnd not implemented");
+ Perl_croak(aTHX_ "msgsnd not implemented");
#endif
}
I32
-do_msgrcv(SV **mark, SV **sp)
+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);
- if (SvTHINKFIRST(mstr)) {
- if (SvREADONLY(mstr))
- croak("Can't msgrcv to readonly var");
- if (SvROK(mstr))
- sv_unref(mstr);
- }
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
- croak("msgrcv not implemented");
+ Perl_croak(aTHX_ "msgrcv not implemented");
#endif
}
I32
-do_semop(SV **mark, SV **sp)
+Perl_do_semop(pTHX_ SV **mark, SV **sp)
{
#ifdef HAS_SEM
- dTHR;
SV *opstr;
char *opbuf;
I32 id;
SETERRNO(0,0);
return semop(id, (struct sembuf *)opbuf, opsize/sizeof(struct sembuf));
#else
- croak("semop not implemented");
+ Perl_croak(aTHX_ "semop not implemented");
#endif
}
I32
-do_shmio(I32 optype, SV **mark, SV **sp)
+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;
}
return shmdt(shm);
#else
- croak("shm I/O not implemented");
+ Perl_croak(aTHX_ "shm I/O not implemented");
#endif
}
#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