/* pp_sys.c
*
- * Copyright (c) 1991-2001, Larry Wall
+ * Copyright (c) 1991-2002, 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.
SV *obj = SvRV(mg->mg_obj);
GV *gv;
CV *cv = NULL;
- if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
- isGV(gv) && (cv = GvCV(gv))) {
- PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)gv, mg));
- XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
- PUTBACK;
- ENTER;
- call_sv((SV *)cv, G_VOID);
- LEAVE;
- SPAGAIN;
- }
- else if (ckWARN(WARN_UNTIE)) {
- if (mg && SvREFCNT(obj) > 1)
- Perl_warner(aTHX_ WARN_UNTIE,
- "untie attempted while %"UVuf" inner references still exist",
- (UV)SvREFCNT(obj) - 1 ) ;
+ if (obj) {
+ if ((gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE)) &&
+ isGV(gv) && (cv = GvCV(gv))) {
+ PUSHMARK(SP);
+ XPUSHs(SvTIED_obj((SV*)gv, mg));
+ XPUSHs(sv_2mortal(newSViv(SvREFCNT(obj)-1)));
+ PUTBACK;
+ ENTER;
+ call_sv((SV *)cv, G_VOID);
+ LEAVE;
+ SPAGAIN;
+ }
+ else if (ckWARN(WARN_UNTIE)) {
+ if (mg && SvREFCNT(obj) > 1)
+ Perl_warner(aTHX_ WARN_UNTIE,
+ "untie attempted while %"UVuf" inner references still exist",
+ (UV)SvREFCNT(obj) - 1 ) ;
+ }
}
- sv_unmagic(sv, how);
+ sv_unmagic(sv, how) ;
}
RETPUSHYES;
}
{
dSP; dTARGET;
GV *gv;
- IO *io;
+ IO *io = NULL;
MAGIC *mg;
if (MAXARG == 0)
SvSetMagicSV_nosteal(TARG, TOPs);
RETURN;
}
- if (!gv || do_eof(gv)) /* make sure we have fp with something */
+ if (!gv || do_eof(gv)) { /* make sure we have fp with something */
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED) && IoTYPE(io) != IoTYPE_WRONLY)
+ report_evil_fh(gv, io, PL_op->op_type);
RETPUSHUNDEF;
+ }
TAINT;
sv_setpv(TARG, " ");
*SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
if (MAXARG == 0) {
if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
IO *io;
- gv = PL_last_in_gv = PL_argvgv;
+ gv = PL_last_in_gv = GvEGV(PL_argvgv);
io = GvIO(gv);
if (io && !IoIFP(io)) {
if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
else {
SV *sv = POPs;
char *name;
-
+
if (SvTYPE(sv) == SVt_PVGV) {
tmpgv = (GV*)sv; /* *main::FRED for example */
goto do_ftruncate;
PP(pp_sockpair)
{
-#ifdef HAS_SOCKETPAIR
+#if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM))
dSP;
GV *gv1;
GV *gv2;
struct sockaddr saddr; /* use a struct to avoid alignment problems */
Sock_size_t len = sizeof saddr;
int fd;
+ int fd2;
ggv = (GV*)POPs;
ngv = (GV*)POPs;
if (IoIFP(nstio))
do_close(ngv, FALSE);
IoIFP(nstio) = PerlIO_fdopen(fd, "r");
- IoOFP(nstio) = PerlIO_fdopen(fd, "w");
+ /* FIXME: we dup(fd) here so that refcounting of fd's does not inhibit
+ fclose of IoOFP's FILE * - and hence leak memory.
+ Special treatment of _this_ case of IoIFP != IoOFP seems wrong.
+ */
+ IoOFP(nstio) = PerlIO_fdopen(fd2 = PerlLIO_dup(fd), "w");
IoTYPE(nstio) = IoTYPE_SOCKET;
if (!IoIFP(nstio) || !IoOFP(nstio)) {
if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
}
#if defined(HAS_FCNTL) && defined(F_SETFD)
fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
+ fcntl(fd2, F_SETFD, fd2 > PL_maxsysfd); /* ensure close-on-exec */
#endif
#ifdef EPOC
if (PL_op->op_flags & OPf_REF) {
gv = cGVOP_gv;
if (PL_op->op_type == OP_LSTAT) {
- if (PL_laststype != OP_LSTAT)
- Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
- if (ckWARN(WARN_IO) && gv != PL_defgv)
- Perl_warner(aTHX_ WARN_IO,
+ if (gv != PL_defgv) {
+ if (ckWARN(WARN_IO))
+ Perl_warner(aTHX_ WARN_IO,
"lstat() on filehandle %s", GvENAME(gv));
- /* Perl_my_lstat (-l) croak's on filehandle, why warn here? */
+ } else if (PL_laststype != OP_LSTAT)
+ Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
}
do_fstat:
}
else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
gv = (GV*)SvRV(sv);
+ if (PL_op->op_type == OP_LSTAT && ckWARN(WARN_IO))
+ Perl_warner(aTHX_ WARN_IO,
+ "lstat() on filehandle %s", GvENAME(gv));
goto do_fstat;
}
sv_setpv(PL_statname, SvPV(sv,n_a));
really_filename:
PL_statgv = Nullgv;
PL_laststatval = -1;
+ PL_laststype = OP_STAT;
sv_setpv(PL_statname, SvPV(sv, n_a));
if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
deprecate("chdir('') or chdir(undef) as chdir()");
tmps = SvPV(*svp, n_a);
}
- else {
+ else {
PUSHi(0);
+ TAINT_PROPER("chdir");
RETURN;
}
}
PP(pp_link)
{
- dSP;
#ifdef HAS_LINK
- dTARGET;
+ dSP; dTARGET;
STRLEN n_a;
char *tmps2 = POPpx;
char *tmps = SvPV(TOPs, n_a);
RETSETUNDEF;
if (!childpid) {
/*SUPPRESS 560*/
- if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
+ if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV))) {
+ SvREADONLY_off(GvSV(tmpgv));
sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
+ SvREADONLY_on(GvSV(tmpgv));
+ }
hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
}
PUSHi(childpid);
Pid_t childpid;
int status;
Sigsave_t ihand,qhand; /* place to save signals during system() */
-
+
+ if (PL_tainting) {
+ SV *cmd = NULL;
+ if (PL_op->op_flags & OPf_STACKED)
+ cmd = *(MARK + 1);
+ else if (SP - MARK != 1)
+ cmd = *SP;
+ if (cmd && *(SvPV_nolen(cmd)) != '/')
+ TAINT_ENV();
+ }
+
if (PerlProc_pipe(pp) >= 0)
did_pipes = 1;
while ((childpid = PerlProc_fork()) == -1) {
if (did_pipes) {
int errkid;
int n = 0, n1;
-
+
while (n < sizeof(int)) {
n1 = PerlLIO_read(pp[0],
(void*)(((char*)&errkid)+n),
it's supported. --AD 9/96.
*/
+#ifdef __BEOS__
+# define HZ 1000000
+#endif
+
#ifndef HZ
# ifdef CLK_TCK
# define HZ CLK_TCK
https://perl5.git.perl.org / perl5.git / blobdiff