/* doio.c
*
- * Copyright (c) 1991-1997, Larry Wall
+ * Copyright (c) 1991-2000, 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
# 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
#if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
# include <sys/socket.h>
-# include <netdb.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
-/* 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);
+}
bool
-do_open(GV *gv, register char *name, I32 len, int as_raw, int rawmode, int rawperm, PerlIO *supplied_fp)
+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)
{
register IO *io = GvIOn(gv);
PerlIO *saveifp = Nullfp;
int fd;
int result;
bool was_fdopen = FALSE;
+ bool in_raw = 0, in_crlf = 0, out_raw = 0, out_crlf = 0;
PL_forkprocess = 1; /* assume true if no fork */
+ 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 (IoIFP(io)) {
fd = PerlIO_fileno(IoIFP(io));
if (IoTYPE(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 > PL_maxsysfd)
- PerlIO_printf(PerlIO_stderr(), "Warning: unable to close filehandle %s properly.\n",
- GvENAME(gv));
+ PerlIO_printf(Perl_error_log,
+ "Warning: unable to close filehandle %s properly.\n",
+ GvENAME(gv));
IoOFP(io) = IoIFP(io) = Nullfp;
}
if (as_raw) {
+#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) = '<';
if (fd == -1)
fp = NULL;
else {
- char *fpmode;
+ char fpmode[4];
+ STRLEN ix = 0;
if (result == O_RDONLY)
- fpmode = "r";
+ fpmode[ix++] = 'r';
#ifdef O_APPEND
- else if (rawmode & O_APPEND)
- fpmode = (result == O_WRONLY) ? "a" : "a+";
+ else if (rawmode & O_APPEND) {
+ fpmode[ix++] = 'a';
+ if (result != O_WRONLY)
+ fpmode[ix++] = '+';
+ }
#endif
- else
- fpmode = (result == O_WRONLY) ? "w" : "r+";
+ else {
+ if (result == O_WRONLY)
+ fpmode[ix++] = 'w';
+ else {
+ fpmode[ix++] = 'r';
+ fpmode[ix++] = '+';
+ }
+ }
+ if (rawmode & O_BINARY)
+ fpmode[ix++] = 'b';
+ fpmode[ix] = '\0';
fp = PerlIO_fdopen(fd, fpmode);
if (!fp)
PerlLIO_close(fd);
}
}
else {
- char *myname;
- char mode[3]; /* stdio file mode ("r\0" or "r+\0") */
+ char *type;
+ char *oname = name;
+ STRLEN tlen;
+ STRLEN olen = len;
+ char mode[4]; /* stdio file mode ("r\0", "rb\0", "r+b\0" etc.) */
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;
+ type = savepvn(name, len);
+ tlen = len;
+ SAVEFREEPV(type);
+ if (num_svs) {
+ STRLEN l;
+ name = SvPV(svs, l) ;
+ len = (I32)l;
+ name = savepvn(name, len);
+ SAVEFREEPV(name);
+ }
+ else {
+ while (tlen && isSPACE(type[tlen-1]))
+ type[--tlen] = '\0';
+ name = type;
+ len = tlen;
+ }
+ mode[0] = mode[1] = mode[2] = mode[3] = '\0';
+ IoTYPE(io) = *type;
+ if (*type == '+' && tlen > 1 && type[tlen-1] != '|') { /* scary */
+ mode[1] = *type++;
+ --tlen;
writing = 1;
}
- if (*name == '|') {
+ if (*type == '|') {
+ if (num_svs && (tlen != 2 || type[1] != '-')) {
+ unknown_desr:
+ Perl_croak(aTHX_ "Unknown open() mode '%.*s'", (int)olen, oname);
+ }
/*SUPPRESS 530*/
- for (name++; isSPACE(*name); name++) ;
- if (strNE(name,"-"))
+ for (type++, tlen--; isSPACE(*type); type++, tlen--) ;
+ if (!num_svs) {
+ name = type;
+ len = tlen;
+ }
+ if (*name == '\0') { /* command is missing 19990114 */
+ dTHR;
+ 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 (name[strlen(name)-1] == '|') {
- name[strlen(name)-1] = '\0' ;
+ if (name[len-1] == '|') {
+ dTHR;
+ name[--len] = '\0' ;
if (ckWARN(WARN_PIPE))
- warner(WARN_PIPE, "Can't do bidirectional pipe");
+ Perl_warner(aTHX_ WARN_PIPE, "Can't open bidirectional pipe");
+ }
+ {
+ char *mode;
+ if (out_raw)
+ mode = "wb";
+ else if (out_crlf)
+ mode = "wt";
+ else
+ mode = "w";
+ fp = PerlProc_popen(name,mode);
}
- fp = PerlProc_popen(name,"w");
writing = 1;
}
- else if (*name == '>') {
+ else if (*type == '>') {
TAINT_PROPER("open");
- name++;
- if (*name == '>') {
+ type++;
+ if (*type == '>') {
mode[0] = IoTYPE(io) = 'a';
- name++;
+ type++;
+ tlen--;
}
else
mode[0] = 'w';
writing = 1;
- if (*name == '&') {
+ if (out_raw)
+ strcat(mode, "b");
+ else if (out_crlf)
+ strcat(mode, "t");
+
+ if (num_svs && tlen != 1)
+ goto unknown_desr;
+ if (*type == '&') {
+ name = type;
duplicity:
dodup = 1;
name++;
goto say_false;
}
if (IoIFP(thatio)) {
- fd = PerlIO_fileno(IoIFP(thatio));
+ 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 */
+ PerlIO_seek(fp, 0, SEEK_CUR);
+ /* 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';
}
if (!(fp = PerlIO_fdopen(fd,mode))) {
if (dodup)
PerlLIO_close(fd);
- }
+ }
}
}
else {
/*SUPPRESS 530*/
- for (; isSPACE(*name); name++) ;
- if (strEQ(name,"-")) {
+ for (; isSPACE(*type); type++) ;
+ if (strEQ(type,"-")) {
fp = PerlIO_stdout();
IoTYPE(io) = '-';
}
else {
- fp = PerlIO_open(name,mode);
+ fp = PerlIO_open((num_svs ? name : type), mode);
}
}
}
- else if (*name == '<') {
+ else if (*type == '<') {
+ if (num_svs && tlen != 1)
+ goto unknown_desr;
/*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 == '&') {
+ name = type;
goto duplicity;
- if (strEQ(name,"-")) {
+ }
+ if (strEQ(type,"-")) {
fp = PerlIO_stdin();
IoTYPE(io) = '-';
}
else
- fp = PerlIO_open(name,mode);
+ fp = PerlIO_open((num_svs ? name : type), mode);
}
- else if (len > 1 && 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 (tlen > 1 && type[tlen-1] == '|') {
+ if (num_svs) {
+ if (tlen != 2 || type[0] != '-')
+ goto unknown_desr;
+ }
+ else {
+ type[--tlen] = '\0';
+ while (tlen && isSPACE(type[tlen-1]))
+ type[--tlen] = '\0';
+ /*SUPPRESS 530*/
+ for (; isSPACE(*type); type++) ;
+ name = type;
+ }
+ if (*name == '\0') { /* command is missing 19990114 */
+ dTHR;
+ 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");
+ {
+ char *mode;
+ if (in_raw)
+ mode = "rb";
+ else if (in_crlf)
+ mode = "rt";
+ else
+ mode = "r";
+ fp = PerlProc_popen(name,mode);
+ }
IoTYPE(io) = '|';
}
else {
+ if (num_svs)
+ goto unknown_desr;
+ name = type;
IoTYPE(io) = '<';
/*SUPPRESS 530*/
for (; isSPACE(*name); name++) ;
fp = PerlIO_stdin();
IoTYPE(io) = '-';
}
- else
- fp = PerlIO_open(name,"r");
+ else {
+ char *mode;
+ if (in_raw)
+ mode = "rb";
+ else if (in_crlf)
+ mode = "rt";
+ else
+ mode = "r";
+ fp = PerlIO_open(name,mode);
+ }
}
}
if (!fp) {
+ dTHR;
if (ckWARN(WARN_NEWLINE) && IoTYPE(io) == '<' && strchr(name, '\n'))
- warner(WARN_NEWLINE, warn_nl, "open");
+ Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
goto say_false;
}
if (IoTYPE(io) &&
}
}
if (fd != PerlIO_fileno(fp)) {
- int pid;
+ Pid_t pid;
SV *sv;
PerlLIO_dup2(PerlIO_fileno(fp), fd);
PerlIO_clearerr(fp);
}
#if defined(HAS_FCNTL) && defined(F_SETFD)
- fd = PerlIO_fileno(fp);
- fcntl(fd,F_SETFD,fd > PL_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(PL_statbuf.st_mode)) ) {
- if (!(IoOFP(io) = PerlIO_fdopen(PerlIO_fileno(fp),"w"))) {
+ || (IoTYPE(io) == '>' && S_ISCHR(PL_statbuf.st_mode)) )
+ {
+ char *mode;
+ if (out_raw)
+ mode = "wb";
+ else if (out_crlf)
+ mode = "wt";
+ else
+ mode = "w";
+
+ if (!(IoOFP(io) = PerlIO_fdopen(PerlIO_fileno(fp),mode))) {
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;
+ 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
fileuid = PL_statbuf.st_uid;
filegid = PL_statbuf.st_gid;
if (!S_ISREG(PL_filemode)) {
- warn("Can't do inplace edit: %s is not a regular file",
- PL_oldname );
+ 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;
}
#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 !defined(DOSISH) && !defined(__CYGWIN__)
if (PerlLIO_rename(PL_oldname,SvPVX(sv)) < 0) {
- warn("Can't rename %s to %s: %s, skipping file",
- PL_oldname, SvPVX(sv), Strerror(errno) );
+ 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
(void)UNLINK(SvPVX(sv));
if (link(PL_oldname,SvPVX(sv)) < 0) {
- warn("Can't rename %s to %s: %s, skipping file",
- PL_oldname, SvPVX(sv), Strerror(errno) );
+ 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;
}
#if !defined(DOSISH) && !defined(AMIGAOS)
# ifndef VMS /* Don't delete; use automatic file versioning */
if (UNLINK(PL_oldname) < 0) {
- warn("Can't remove %s: %s, skipping file",
- PL_oldname, Strerror(errno) );
+ 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
}
SETERRNO(0,0); /* in case sprintf set errno */
#ifdef VMS
if (!do_open(PL_argvoutgv,SvPVX(sv),SvCUR(sv),PL_inplace!=0,
- O_WRONLY|O_CREAT|O_TRUNC,0,Nullfp)) {
+ 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)) {
+ O_WRONLY|O_CREAT|OPEN_EXCL,0666,Nullfp))
#endif
- warn("Can't do inplace edit on %s: %s",
- PL_oldname, Strerror(errno) );
+ {
+ 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;
}
}
return IoIFP(GvIOp(gv));
}
- else
- PerlIO_printf(PerlIO_stderr(), "Can't open %s: %s\n",
- SvPV(sv, PL_na), Strerror(errno));
+ else {
+ dTHR;
+ 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 (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;
/* explicit renamed to avoid C++ conflict -- kja */
bool
-do_close(GV *gv, bool not_implicit)
+Perl_do_close(pTHX_ GV *gv, bool not_implicit)
{
bool retval;
IO *io;
io = GvIO(gv);
if (!io) { /* never opened */
if (not_implicit) {
+ dTHR;
if (ckWARN(WARN_UNOPENED))
- warner(WARN_UNOPENED,
+ Perl_warner(aTHX_ WARN_UNOPENED,
"Close on unopened file <%s>",GvENAME(gv));
SETERRNO(EBADF,SS$_IVCHAN);
}
return FALSE;
}
- retval = io_close(io);
+ retval = io_close(io, not_implicit);
if (not_implicit) {
IoLINES(io) = 0;
IoPAGE(io) = 0;
}
bool
-io_close(IO *io)
+Perl_io_close(pTHX_ IO *io, bool not_implicit)
{
bool retval = FALSE;
int status;
if (IoIFP(io)) {
if (IoTYPE(io) == '|') {
status = PerlProc_pclose(IoIFP(io));
- STATUS_NATIVE_SET(status);
- retval = (STATUS_POSIX == 0);
+ if (not_implicit) {
+ STATUS_NATIVE_SET(status);
+ retval = (STATUS_POSIX == 0);
+ }
+ else {
+ retval = (status != -1);
+ }
}
else if (IoTYPE(io) == '-')
retval = TRUE;
}
IoOFP(io) = IoIFP(io) = Nullfp;
}
- else {
+ else if (not_implicit) {
SETERRNO(EBADF,SS$_IVCHAN);
}
}
bool
-do_eof(GV *gv)
+Perl_do_eof(pTHX_ GV *gv)
{
dTHR;
register IO *io;
if (!io)
return TRUE;
+ else if (ckWARN(WARN_IO)
+ && (IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
+ || IoIFP(io) == PerlIO_stderr()))
+ {
+ SV* sv = sv_newmortal();
+ gv_efullname3(sv, gv, Nullch);
+ Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
+ SvPV_nolen(sv));
+ }
while (IoIFP(io)) {
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 (ckWARN(WARN_UNOPENED))
- warner(WARN_UNOPENED, "tell() on unopened file");
+ {
+ dTHR;
+ if (ckWARN(WARN_UNOPENED))
+ Perl_warner(aTHX_ WARN_UNOPENED, "tell() on unopened file");
+ }
SETERRNO(EBADF,RMS$_IFI);
- return -1L;
+ return (Off_t)-1;
}
bool
-do_seek(GV *gv, long int pos, int whence)
+Perl_do_seek(pTHX_ GV *gv, Off_t pos, int whence)
{
register IO *io;
register PerlIO *fp;
#endif
return PerlIO_seek(fp, pos, whence) >= 0;
}
- if (ckWARN(WARN_UNOPENED))
- warner(WARN_UNOPENED, "seek() on unopened file");
+ {
+ dTHR;
+ if (ckWARN(WARN_UNOPENED))
+ Perl_warner(aTHX_ WARN_UNOPENED, "seek() on unopened file");
+ }
SETERRNO(EBADF,RMS$_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 (ckWARN(WARN_UNOPENED))
- warner(WARN_UNOPENED, "sysseek() on unopened file");
+ {
+ dTHR;
+ if (ckWARN(WARN_UNOPENED))
+ Perl_warner(aTHX_ WARN_UNOPENED, "sysseek() on unopened file");
+ }
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;
+ Perl_croak(aTHX_ "Unknown discipline '%.*s'", end-s, s);
+ }
+ }
+ }
+ return mode;
}
int
-do_binmode(PerlIO *fp, int iotype, int flag)
+Perl_do_binmode(pTHX_ PerlIO *fp, int iotype, int mode)
{
- if (flag != TRUE)
- croak("panic: unsetting binmode"); /* Not implemented yet */
#ifdef DOSISH
-#ifdef atarist
- if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
+# if defined(atarist) || defined(__MINT__)
+ if (!PerlIO_flush(fp)) {
+ if (mode & O_BINARY)
+ ((FILE*)fp)->_flag |= _IOBIN;
+ else
+ ((FILE*)fp)->_flag &= ~ _IOBIN;
return 1;
- else
- return 0;
-#else
- if (PerlLIO_setmode(PerlIO_fileno(fp), OP_BINARY) != -1) {
-#if defined(WIN32) && defined(__BORLANDC__)
+ }
+ return 0;
+# else
+ if (PerlLIO_setmode(PerlIO_fileno(fp), mode) != -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
* document this anywhere). GSAR 97-5-24
*/
PerlIO_seek(fp,0L,0);
- ((FILE*)fp)->flags |= _F_BIN;
-#endif
+ if (mode & O_BINARY)
+ ((FILE*)fp)->flags |= _F_BIN;
+ else
+ ((FILE*)fp)->flags &= ~ _F_BIN;
+# endif
return 1;
}
else
return 0;
-#endif
+# endif
#else
-#if defined(USEMYBINMODE)
- if (my_binmode(fp,iotype) != NULL)
+# if defined(USEMYBINMODE)
+ if (my_binmode(fp, iotype, mode) != FALSE)
return 1;
else
return 0;
-#else
+# else
return 1;
-#endif
+# endif
#endif
}
#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;
if (SvGMAGICAL(sv))
mg_get(sv);
if (SvIOK(sv) && SvIVX(sv) != 0) {
- PerlIO_printf(fp, PL_ofmt, (double)SvIVX(sv));
+ PerlIO_printf(fp, PL_ofmt, (NV)SvIVX(sv));
return !PerlIO_error(fp);
}
if ( (SvNOK(sv) && SvNVX(sv) != 0.0)
}
switch (SvTYPE(sv)) {
case SVt_NULL:
- if (ckWARN(WARN_UNINITIALIZED))
- warner(WARN_UNINITIALIZED, warn_uninit);
+ {
+ dTHR;
+ 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 */
tmps = SvPV(sv, len);
break;
}
+ /* 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 || PerlIO_error(fp)))
return FALSE;
return !PerlIO_error(fp);
}
I32
-my_stat(ARGSproto)
+Perl_my_stat(pTHX)
{
djSP;
IO *io;
if (PL_op->op_flags & OPf_REF) {
EXTEND(SP,1);
- tmpgv = cGVOP->op_gv;
+ tmpgv = cGVOP_gv;
do_fstat:
io = GvIO(tmpgv);
if (io && IoIFP(io)) {
if (tmpgv == PL_defgv)
return PL_laststatval;
if (ckWARN(WARN_UNOPENED))
- warner(WARN_UNOPENED, "Stat on unopened file <%s>",
+ Perl_warner(aTHX_ WARN_UNOPENED, "Stat on unopened file <%s>",
GvENAME(tmpgv));
PL_statgv = Nullgv;
sv_setpv(PL_statname,"");
else {
SV* sv = POPs;
char *s;
+ STRLEN n_a;
PUTBACK;
if (SvTYPE(sv) == SVt_PVGV) {
tmpgv = (GV*)sv;
goto do_fstat;
}
- s = SvPV(sv, PL_na);
+ 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'))
- warner(WARN_NEWLINE, warn_nl, "stat");
+ Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
return PL_laststatval;
}
}
I32
-my_lstat(ARGSproto)
+Perl_my_lstat(pTHX)
{
djSP;
SV *sv;
+ STRLEN n_a;
if (PL_op->op_flags & OPf_REF) {
EXTEND(SP,1);
- if (cGVOP->op_gv == PL_defgv) {
+ if (cGVOP_gv == PL_defgv) {
if (PL_laststype != OP_LSTAT)
- croak("The stat preceding -l _ wasn't an lstat");
+ Perl_croak(aTHX_ "The stat preceding -l _ wasn't an lstat");
return PL_laststatval;
}
- croak("You can't use -l on a filehandle");
+ Perl_croak(aTHX_ "You can't use -l on a filehandle");
}
PL_laststype = OP_LSTAT;
PL_statgv = Nullgv;
sv = POPs;
PUTBACK;
- sv_setpv(PL_statname,SvPV(sv, PL_na));
-#ifdef HAS_LSTAT
- PL_laststatval = PerlLIO_lstat(SvPV(sv, PL_na),&PL_statcache);
-#else
- PL_laststatval = PerlLIO_stat(SvPV(sv, PL_na),&PL_statcache);
-#endif
- if (PL_laststatval < 0 && ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, PL_na), '\n'))
- warner(WARN_NEWLINE, warn_nl, "lstat");
+ 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
-do_aexec(SV *really, register SV **mark, register SV **sp)
+Perl_do_aexec(pTHX_ SV *really, register SV **mark, register SV **sp)
+{
+ return do_aexec5(really, mark, sp, 0, 0);
+}
+
+bool
+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;
a = PL_Argv;
while (++mark <= sp) {
if (*mark)
- *a++ = SvPVx(*mark, PL_na);
+ *a++ = SvPVx(*mark, n_a);
else
*a++ = "";
}
*a = Nullch;
if (*PL_Argv[0] != '/') /* will execvp use PATH? */
TAINT_ENV(); /* testing IFS here is overkill, probably */
- if (really && *(tmps = SvPV(really, PL_na)))
+ if (really && *(tmps = SvPV(really, n_a)))
PerlProc_execvp(tmps,PL_Argv);
else
PerlProc_execvp(PL_Argv[0],PL_Argv);
if (ckWARN(WARN_EXEC))
- warner(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) {
+ 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 (PL_Argv) {
Safefree(PL_Argv);
}
}
-#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP)
+#if !defined(OS2) && !defined(WIN32) && !defined(DJGPP) && !defined(EPOC) && !defined(MACOS_TRADITIONAL)
+
+bool
+Perl_do_exec(pTHX_ char *cmd)
+{
+ return do_exec3(cmd,0,0);
+}
bool
-do_exec(char *cmd)
+Perl_do_exec3(pTHX_ char *cmd, int fd, int do_report)
{
register char **a;
register char *s;
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(PL_sh_path, "sh", "-c", cmd, (char*)0);
return FALSE;
do_execfree();
goto doshell;
}
- if (ckWARN(WARN_EXEC))
- warner(WARN_EXEC, "Can't exec \"%s\": %s",
- PL_Argv[0], Strerror(errno));
+ {
+ dTHR;
+ 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;
char *what;
char *s;
SV **oldmark = mark;
+ STRLEN n_a;
#define APPLY_TAINT_PROPER() \
STMT_START { \
- if (PL_tainting && PL_tainted) { goto taint_proper_label; } \
+ if (PL_tainted) { TAINT_PROPER(what); } \
} STMT_END
/* This is a first heuristic; it doesn't catch tainting magic. */
APPLY_TAINT_PROPER();
tot = sp - mark;
while (++mark <= sp) {
- char *name = SvPVx(*mark, PL_na);
+ char *name = SvPVx(*mark, n_a);
APPLY_TAINT_PROPER();
if (PerlLIO_chmod(name, val))
tot--;
APPLY_TAINT_PROPER();
tot = sp - mark;
while (++mark <= sp) {
- char *name = SvPVx(*mark, PL_na);
+ char *name = SvPVx(*mark, n_a);
APPLY_TAINT_PROPER();
if (PerlLIO_chown(name, val, val2))
tot--;
APPLY_TAINT_PROPER();
if (mark == sp)
break;
- s = SvPVx(*++mark, PL_na);
+ 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;
while (++mark <= sp) {
- s = SvPVx(*mark, PL_na);
+ 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,&PL_statbuf) < 0 || S_ISDIR(PL_statbuf.st_mode))
-#else
- if (PerlLIO_stat(s,&PL_statbuf) < 0 || S_ISDIR(PL_statbuf.st_mode))
-#endif
tot--;
else {
if (UNLINK(s))
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) {
- char *name = SvPVx(*mark, PL_na);
+ char *name = SvPVx(*mark, n_a);
APPLY_TAINT_PROPER();
if (PerlLIO_utime(name, &utbuf))
tot--;
}
return tot;
- taint_proper_label:
- TAINT_PROPER(what);
- return 0; /* this should never happen */
-
#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 ? PL_euid : PL_uid) == 0) { /* root is special */
- if (bit == S_IXUSR) {
+ if (mode == S_IXUSR) {
if (statbufp->st_mode & 0111 || S_ISDIR(statbufp->st_mode))
return TRUE;
}
return FALSE;
}
if (statbufp->st_uid == (effective ? PL_euid : PL_uid) ) {
- if (statbufp->st_mode & bit)
+ 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)
{
+#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
}
#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;
#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;
#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;
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;
/* "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)
#endif
#ifdef HAS_SEM
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
+ Perl_croak(aTHX_ "%s not implemented", PL_op_desc[optype]);
+#endif
}
break;
#endif
}
I32
-do_msgsnd(SV **mark, SV **sp)
+Perl_do_msgsnd(pTHX_ SV **mark, SV **sp)
{
#ifdef HAS_MSG
dTHR;
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;
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);
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;
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;
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
}
https://perl5.git.perl.org / perl5.git / blobdiff