/* 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.
# endif
# endif
# ifdef HAS_GETPWENT
+#ifndef getpwent
struct passwd *getpwent (void);
+#elif defined (VMS) && defined (my_getpwent)
+ struct passwd *Perl_my_getpwent (void);
+#endif
# endif
#endif
struct group *getgrgid (Gid_t);
# endif
# ifdef HAS_GETGRENT
+#ifndef getgrent
struct group *getgrent (void);
+#endif
# endif
#endif
;
}
else if (gimme == G_SCALAR) {
+ SV *oldrs = PL_rs;
+ PL_rs = &PL_sv_undef;
sv_setpv(TARG, ""); /* note that this preserves previous buffer */
while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
/*SUPPRESS 530*/
;
+ PL_rs = oldrs;
XPUSHs(TARG);
SvTAINTED_on(TARG);
}
return result;
}
-#if 0 /* XXX never used! */
-PP(pp_indread)
-{
- STRLEN n_a;
- PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
- return do_readline();
-}
-#endif
-
PP(pp_rcatline)
{
PL_last_in_gv = cGVOP_gv;
SV *tmpsv;
STRLEN len;
bool multiarg = 0;
+#ifdef VMS
+ VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH);
+#endif
if (SP - MARK != 1) {
dTARGET;
do_join(TARG, &PL_sv_no, MARK, SP);
sv_setsv(error,*PL_stack_sp--);
}
}
- DIE(aTHX_ Nullch);
+ DIE(aTHX_ Nullformat);
}
else {
if (SvPOK(error) && SvCUR(error))
dTARGET;
GV *gv;
SV *sv;
+ IO *io;
char *tmps;
STRLEN len;
MAGIC *mg;
gv = (GV *)*++MARK;
if (!isGV(gv))
DIE(aTHX_ PL_no_usym, "filehandle");
- if (GvIOp(gv))
+ if ((io = GvIOp(gv)))
IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
- if ((mg = SvTIED_mg((SV*)gv, PERL_MAGIC_tiedscalar))) {
+ if (io && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) {
/* Method's args are same as ours ... */
/* ... except handle is replaced by the object */
- *MARK-- = SvTIED_obj((SV*)gv, mg);
+ *MARK-- = SvTIED_obj((SV*)io, mg);
PUSHMARK(MARK);
PUTBACK;
ENTER;
{
dSP;
GV *gv;
+ IO *io;
MAGIC *mg;
if (MAXARG == 0)
else
gv = (GV*)POPs;
- if ((mg = SvTIED_mg((SV*)gv, PERL_MAGIC_tiedscalar))) {
+ if (gv && (io = GvIO(gv))
+ && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
+ {
PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)gv, mg));
+ XPUSHs(SvTIED_obj((SV*)io, mg));
PUTBACK;
ENTER;
call_method("CLOSE", G_SCALAR);
IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
+ IoOFP(rstio) = IoIFP(rstio);
IoIFP(wstio) = IoOFP(wstio);
IoTYPE(rstio) = IoTYPE_RDONLY;
IoTYPE(wstio) = IoTYPE_WRONLY;
RETPUSHUNDEF;
gv = (GV*)POPs;
- if (gv && (mg = SvTIED_mg((SV*)gv, PERL_MAGIC_tiedscalar))) {
+ if (gv && (io = GvIO(gv))
+ && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
+ {
PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)gv, mg));
+ XPUSHs(SvTIED_obj((SV*)io, mg));
PUTBACK;
ENTER;
call_method("FILENO", G_SCALAR);
gv = (GV*)POPs;
- if (gv && (mg = SvTIED_mg((SV*)gv, PERL_MAGIC_tiedscalar))) {
+ if (gv && (io = GvIO(gv))
+ && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
+ {
PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)gv, mg));
+ XPUSHs(SvTIED_obj((SV*)io, mg));
if (discp)
XPUSHs(discp);
PUTBACK;
RETPUSHUNDEF;
}
+ PUTBACK;
if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
- (discp) ? SvPV_nolen(discp) : Nullch))
+ (discp) ? SvPV_nolen(discp) : Nullch)) {
+ SPAGAIN;
RETPUSHYES;
- else
+ }
+ else {
+ SPAGAIN;
RETPUSHUNDEF;
+ }
}
PP(pp_tie)
#endif
methname = "TIEHANDLE";
how = PERL_MAGIC_tiedscalar;
+ /* For tied filehandles, we apply tiedscalar magic to the IO
+ slot of the GP rather than the GV itself. AMS 20010812 */
+ if (!GvIOp(varsv))
+ GvIOp(varsv) = newIO();
+ varsv = (SV *)GvIOp(varsv);
break;
default:
methname = "TIESCALAR";
ENTER;
PUSHSTACKi(PERLSI_MAGIC);
PUSHMARK(SP);
- EXTEND(SP,items);
+ EXTEND(SP,(I32)items);
while (items--)
PUSHs(*MARK++);
PUTBACK;
ENTER;
PUSHSTACKi(PERLSI_MAGIC);
PUSHMARK(SP);
- EXTEND(SP,items);
+ EXTEND(SP,(I32)items);
while (items--)
PUSHs(*MARK++);
PUTBACK;
if (sv_isobject(sv)) {
sv_unmagic(varsv, how);
/* Croak if a self-tie on an aggregate is attempted. */
- if (varsv == SvRV(sv) &&
- (SvTYPE(sv) == SVt_PVAV ||
- SvTYPE(sv) == SVt_PVHV))
+ if (varsv == SvRV(sv) && how == PERL_MAGIC_tied)
Perl_croak(aTHX_
"Self-ties of arrays and hashes are not supported");
sv_magic(varsv, sv, how, Nullch, 0);
PP(pp_untie)
{
dSP;
+ MAGIC *mg;
SV *sv = POPs;
char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar;
- MAGIC * mg ;
- if ((mg = SvTIED_mg(sv, how))) {
+ if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv)))
+ RETPUSHYES;
+
+ if ((mg = SvTIED_mg(sv, how))) {
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_ packWARN(WARN_UNTIE),
+ "untie attempted while %"UVuf" inner references still exist",
+ (UV)SvREFCNT(obj) - 1 ) ;
+ }
}
+ sv_unmagic(sv, how) ;
}
- sv_unmagic(sv, how);
RETPUSHYES;
}
PP(pp_tied)
{
dSP;
+ MAGIC *mg;
SV *sv = POPs;
char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar;
- MAGIC *mg;
+
+ if (SvTYPE(sv) == SVt_PVGV && !(sv = (SV *)GvIOp(sv)))
+ RETPUSHUNDEF;
if ((mg = SvTIED_mg(sv, how))) {
SV *osv = SvTIED_obj(sv, mg);
}
/* little endians can use vecs directly */
-#if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
-# if SELECT_MIN_BITS > 1
- /* If SELECT_MIN_BITS is greater than one we most probably will want
- * to align the sizes with SELECT_MIN_BITS/8 because for example
- * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
- * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
- * on (sets/tests/clears bits) is 32 bits. */
- growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
-# else
- growsize = sizeof(fd_set);
-# endif
-# else
+#if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
# ifdef NFDBITS
# ifndef NBBY
# else
masksize = sizeof(long); /* documented int, everyone seems to use long */
# endif
- growsize = maxlen + (masksize - (maxlen % masksize));
Zero(&fd_sets[0], 4, char*);
#endif
+# if SELECT_MIN_BITS > 1
+ /* If SELECT_MIN_BITS is greater than one we most probably will want
+ * to align the sizes with SELECT_MIN_BITS/8 because for example
+ * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
+ * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
+ * on (sets/tests/clears bits) is 32 bits. */
+ growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
+# else
+ growsize = sizeof(fd_set);
+# endif
+
sv = SP[4];
if (SvOK(sv)) {
value = SvNV(sv);
{
dSP; dTARGET;
GV *gv;
+ IO *io = NULL;
MAGIC *mg;
if (MAXARG == 0)
else
gv = (GV*)POPs;
- if ((mg = SvTIED_mg((SV*)gv, PERL_MAGIC_tiedscalar))) {
+ if (gv && (io = GvIO(gv))
+ && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
+ {
I32 gimme = GIMME_V;
PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)gv, mg));
+ XPUSHs(SvTIED_obj((SV*)io, mg));
PUTBACK;
ENTER;
call_method("GETC", gimme);
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)
+ && (!io || (!IoIFP(io) && 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 */
name = SvPV_nolen(sv);
}
if (name && *name)
- Perl_warner(aTHX_ WARN_IO,
+ Perl_warner(aTHX_ packWARN(WARN_IO),
"Filehandle %s opened only for input", name);
else
- Perl_warner(aTHX_ WARN_IO,
+ Perl_warner(aTHX_ packWARN(WARN_IO),
"Filehandle opened only for input");
}
else if (ckWARN(WARN_CLOSED))
else {
if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
if (ckWARN(WARN_IO))
- Perl_warner(aTHX_ WARN_IO, "page overflow");
+ Perl_warner(aTHX_ packWARN(WARN_IO), "page overflow");
}
if (!do_print(PL_formtarget, fp))
PUSHs(&PL_sv_no);
else
gv = PL_defoutgv;
- if ((mg = SvTIED_mg((SV*)gv, PERL_MAGIC_tiedscalar))) {
+ if (gv && (io = GvIO(gv))
+ && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
+ {
if (MARK == ORIGMARK) {
MEXTEND(SP, 1);
++MARK;
++SP;
}
PUSHMARK(MARK - 1);
- *MARK = SvTIED_obj((SV*)gv, mg);
+ *MARK = SvTIED_obj((SV*)io, mg);
PUTBACK;
ENTER;
call_method("PRINTF", G_SCALAR);
name = SvPV_nolen(sv);
}
if (name && *name)
- Perl_warner(aTHX_ WARN_IO,
+ Perl_warner(aTHX_ packWARN(WARN_IO),
"Filehandle %s opened only for input", name);
else
- Perl_warner(aTHX_ WARN_IO,
+ Perl_warner(aTHX_ packWARN(WARN_IO),
"Filehandle opened only for input");
}
else if (ckWARN(WARN_CLOSED))
int fp_utf8;
Size_t got = 0;
Size_t wanted;
+ bool charstart = FALSE;
+ STRLEN charskip = 0;
+ STRLEN skip = 0;
gv = (GV*)*++MARK;
- if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
- (mg = SvTIED_mg((SV*)gv, PERL_MAGIC_tiedscalar)))
+ if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD)
+ && gv && (io = GvIO(gv))
+ && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
{
SV *sv;
PUSHMARK(MARK-1);
- *MARK = SvTIED_obj((SV*)gv, mg);
+ *MARK = SvTIED_obj((SV*)io, mg);
ENTER;
call_method("READ", G_SCALAR);
LEAVE;
DIE(aTHX_ "Negative length");
wanted = length;
+ charstart = TRUE;
+ charskip = 0;
+ skip = 0;
+
#ifdef HAS_SOCKET
if (PL_op->op_type == OP_RECV) {
char namebuf[MAXPATHLEN];
-#if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
+#if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__)
bufsize = sizeof (struct sockaddr_in);
#else
bufsize = sizeof namebuf;
if (bufsize >= 256)
bufsize = 255;
#endif
- buffer = SvGROW(bufsv, length+1);
+ buffer = SvGROW(bufsv, (STRLEN)(length+1));
/* 'offset' means 'flags' here */
count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
(struct sockaddr *)namebuf, &bufsize);
blen = sv_len_utf8(bufsv);
}
if (offset < 0) {
- if (-offset > blen)
+ if (-offset > (int)blen)
DIE(aTHX_ "Offset outside string");
offset += blen;
}
}
more_bytes:
bufsize = SvCUR(bufsv);
- buffer = SvGROW(bufsv, length+offset+1);
+ buffer = SvGROW(bufsv, (STRLEN)(length+offset+1));
if (offset > bufsize) { /* Zero any newly allocated space */
Zero(buffer+bufsize, offset-bufsize, char);
}
name = SvPV_nolen(sv);
}
if (name && *name)
- Perl_warner(aTHX_ WARN_IO,
+ Perl_warner(aTHX_ packWARN(WARN_IO),
"Filehandle %s opened only for output", name);
else
- Perl_warner(aTHX_ WARN_IO,
+ Perl_warner(aTHX_ packWARN(WARN_IO),
"Filehandle opened only for output");
}
goto say_undef;
/* Look at utf8 we got back and count the characters */
char *bend = buffer + count;
while (buffer < bend) {
- STRLEN skip = UTF8SKIP(buffer);
- if (buffer+skip > bend) {
+ if (charstart) {
+ skip = UTF8SKIP(buffer);
+ charskip = 0;
+ }
+ if (buffer - charskip + skip > bend) {
/* partial character - try for rest of it */
length = skip - (bend-buffer);
offset = bend - SvPVX(bufsv);
+ charstart = FALSE;
+ charskip += count;
goto more_bytes;
}
else {
got++;
buffer += skip;
+ charstart = TRUE;
+ charskip = 0;
}
}
/* If we have not 'got' the number of _characters_ we 'wanted' get some more
provided amount read (count) was what was requested (length)
*/
if (got < wanted && count == length) {
- length = (wanted-got);
+ length = wanted - got;
offset = bend - SvPVX(bufsv);
goto more_bytes;
}
gv = (GV*)*++MARK;
if (PL_op->op_type == OP_SYSWRITE
- && (mg = SvTIED_mg((SV*)gv, PERL_MAGIC_tiedscalar)))
+ && gv && (io = GvIO(gv))
+ && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
{
SV *sv;
PUSHMARK(MARK-1);
- *MARK = SvTIED_obj((SV*)gv, mg);
+ *MARK = SvTIED_obj((SV*)io, mg);
ENTER;
call_method("WRITE", G_SCALAR);
LEAVE;
if (MARK < SP) {
offset = SvIVx(*++MARK);
if (offset < 0) {
- if (-offset > blen)
+ if (-offset > (IV)blen)
DIE(aTHX_ "Offset outside string");
offset += blen;
- } else if (offset >= blen && blen > 0)
+ } else if (offset >= (IV)blen && blen > 0)
DIE(aTHX_ "Offset outside string");
} else
offset = 0;
if (retval < 0)
goto say_undef;
SP = ORIGMARK;
+ if (DO_UTF8(bufsv))
+ retval = utf8_length((U8*)buffer, (U8*)buffer + retval);
#if Size_t_size > IVSIZE
PUSHn(retval);
#else
{
dSP;
GV *gv;
+ IO *io;
MAGIC *mg;
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
gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
- if (gv && (mg = SvTIED_mg((SV*)gv, PERL_MAGIC_tiedscalar))) {
+ if (gv && (io = GvIO(gv))
+ && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
+ {
PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)gv, mg));
+ XPUSHs(SvTIED_obj((SV*)io, mg));
PUTBACK;
ENTER;
call_method("EOF", G_SCALAR);
{
dSP; dTARGET;
GV *gv;
+ IO *io;
MAGIC *mg;
if (MAXARG == 0)
else
gv = PL_last_in_gv = (GV*)POPs;
- if (gv && (mg = SvTIED_mg((SV*)gv, PERL_MAGIC_tiedscalar))) {
+ if (gv && (io = GvIO(gv))
+ && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
+ {
PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)gv, mg));
+ XPUSHs(SvTIED_obj((SV*)io, mg));
PUTBACK;
ENTER;
call_method("TELL", G_SCALAR);
{
dSP;
GV *gv;
+ IO *io;
int whence = POPi;
#if LSEEKSIZE > IVSIZE
Off_t offset = (Off_t)SvNVx(POPs);
gv = PL_last_in_gv = (GV*)POPs;
- if (gv && (mg = SvTIED_mg((SV*)gv, PERL_MAGIC_tiedscalar))) {
+ if (gv && (io = GvIO(gv))
+ && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
+ {
PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)gv, mg));
+ XPUSHs(SvTIED_obj((SV*)io, mg));
#if LSEEKSIZE > IVSIZE
XPUSHs(sv_2mortal(newSVnv((NV) offset)));
#else
else {
SV *sv = POPs;
char *name;
-
+
if (SvTYPE(sv) == SVt_PVGV) {
tmpgv = (GV*)sv; /* *main::FRED for example */
goto do_ftruncate;
if (SvPOK(argsv)) {
if (s[SvCUR(argsv)] != 17)
DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
- PL_op_name[optype]);
+ OP_NAME(PL_op));
s[SvCUR(argsv)] = 0; /* put our null back */
SvSETMAGIC(argsv); /* Assume it has changed */
}
PP(pp_sockpair)
{
-#ifdef HAS_SOCKETPAIR
+#if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET))
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;
goto nuts;
nstio = GvIOn(ngv);
- if (IoIFP(nstio))
- do_close(ngv, FALSE);
-
fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
if (fd < 0)
goto badexit;
+ 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_ packWARN(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_ packWARN(WARN_IO),
+ "lstat() on filehandle %s", GvENAME(gv));
goto do_fstat;
}
sv_setpv(PL_statname, SvPV(sv,n_a));
PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
if (PL_laststatval < 0) {
if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
- Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
+ Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat");
max = 0;
}
}
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'))
- Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
+ Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open");
RETPUSHUNDEF;
}
PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
SV **svp;
STRLEN n_a;
- if (MAXARG < 1)
- tmps = Nullch;
+ if( MAXARG == 1 )
+ tmps = POPpx;
else
- tmps = POPpx;
- if (!tmps || !*tmps) {
- svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
- if (svp)
- tmps = SvPV(*svp, n_a);
- }
- if (!tmps || !*tmps) {
- svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
- if (svp)
- tmps = SvPV(*svp, n_a);
- }
+ tmps = 0;
+
+ if( !tmps || !*tmps ) {
+ if ( (svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE))
+ || (svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE))
#ifdef VMS
- if (!tmps || !*tmps) {
- svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
- if (svp)
- tmps = SvPV(*svp, n_a);
- }
+ || (svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE))
#endif
+ )
+ {
+ if( MAXARG == 1 )
+ deprecate("chdir('') or chdir(undef) as chdir()");
+ tmps = SvPV(*svp, n_a);
+ }
+ else {
+ PUSHi(0);
+ TAINT_PROPER("chdir");
+ RETURN;
+ }
+ }
+
TAINT_PROPER("chdir");
PUSHi( PerlDir_chdir(tmps) >= 0 );
#ifdef VMS
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);
I32 value;
STRLEN n_a;
int result;
- int pp[2];
I32 did_pipes = 0;
- if (SP - MARK == 1) {
- if (PL_tainting) {
- (void)SvPV_nolen(TOPs); /* stringify for taint check */
- TAINT_ENV();
+ if (PL_tainting) {
+ TAINT_ENV();
+ while (++MARK <= SP) {
+ (void)SvPV_nolen(*MARK); /* stringify for taint check */
+ if (PL_tainted)
+ break;
+ }
+ MARK = ORIGMARK;
+ /* XXX Remove warning at end of deprecation cycle --RD 2002-02 */
+ if (SP - MARK == 1) {
TAINT_PROPER("system");
}
+ else if (ckWARN2(WARN_TAINT, WARN_DEPRECATED)) {
+ Perl_warner(aTHX_ packWARN2(WARN_TAINT, WARN_DEPRECATED),
+ "Use of tainted arguments in %s is deprecated", "system");
+ }
}
PERL_FLUSHALL_FOR_CHILD;
#if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) || defined(PERL_MICRO)
{
- Pid_t childpid;
- int status;
- Sigsave_t ihand,qhand; /* place to save signals during system() */
-
- if (PerlProc_pipe(pp) >= 0)
- did_pipes = 1;
- while ((childpid = PerlProc_fork()) == -1) {
- if (errno != EAGAIN) {
- value = -1;
- SP = ORIGMARK;
- PUSHi(value);
- if (did_pipes) {
- PerlLIO_close(pp[0]);
- PerlLIO_close(pp[1]);
- }
- RETURN;
- }
- sleep(5);
- }
- if (childpid > 0) {
- if (did_pipes)
- PerlLIO_close(pp[1]);
+ Pid_t childpid;
+ int pp[2];
+
+ if (PerlProc_pipe(pp) >= 0)
+ did_pipes = 1;
+ while ((childpid = PerlProc_fork()) == -1) {
+ if (errno != EAGAIN) {
+ value = -1;
+ SP = ORIGMARK;
+ PUSHi(value);
+ if (did_pipes) {
+ PerlLIO_close(pp[0]);
+ PerlLIO_close(pp[1]);
+ }
+ RETURN;
+ }
+ sleep(5);
+ }
+ if (childpid > 0) {
+ Sigsave_t ihand,qhand; /* place to save signals during system() */
+ int status;
+
+ if (did_pipes)
+ PerlLIO_close(pp[1]);
#ifndef PERL_MICRO
- rsignal_save(SIGINT, SIG_IGN, &ihand);
- rsignal_save(SIGQUIT, SIG_IGN, &qhand);
+ rsignal_save(SIGINT, SIG_IGN, &ihand);
+ rsignal_save(SIGQUIT, SIG_IGN, &qhand);
#endif
- do {
- result = wait4pid(childpid, &status, 0);
- } while (result == -1 && errno == EINTR);
+ do {
+ result = wait4pid(childpid, &status, 0);
+ } while (result == -1 && errno == EINTR);
#ifndef PERL_MICRO
- (void)rsignal_restore(SIGINT, &ihand);
- (void)rsignal_restore(SIGQUIT, &qhand);
-#endif
- STATUS_NATIVE_SET(result == -1 ? -1 : status);
- do_execfree(); /* free any memory child malloced on fork */
- SP = ORIGMARK;
- if (did_pipes) {
- int errkid;
- int n = 0, n1;
-
- while (n < sizeof(int)) {
- n1 = PerlLIO_read(pp[0],
- (void*)(((char*)&errkid)+n),
- (sizeof(int)) - n);
- if (n1 <= 0)
- break;
- n += n1;
- }
- PerlLIO_close(pp[0]);
- if (n) { /* Error */
- if (n != sizeof(int))
- DIE(aTHX_ "panic: kid popen errno read");
- errno = errkid; /* Propagate errno from kid */
- STATUS_CURRENT = -1;
- }
- }
- PUSHi(STATUS_CURRENT);
- RETURN;
- }
- if (did_pipes) {
- PerlLIO_close(pp[0]);
+ (void)rsignal_restore(SIGINT, &ihand);
+ (void)rsignal_restore(SIGQUIT, &qhand);
+#endif
+ STATUS_NATIVE_SET(result == -1 ? -1 : status);
+ do_execfree(); /* free any memory child malloced on fork */
+ SP = ORIGMARK;
+ if (did_pipes) {
+ int errkid;
+ int n = 0, n1;
+
+ while (n < sizeof(int)) {
+ n1 = PerlLIO_read(pp[0],
+ (void*)(((char*)&errkid)+n),
+ (sizeof(int)) - n);
+ if (n1 <= 0)
+ break;
+ n += n1;
+ }
+ PerlLIO_close(pp[0]);
+ if (n) { /* Error */
+ if (n != sizeof(int))
+ DIE(aTHX_ "panic: kid popen errno read");
+ errno = errkid; /* Propagate errno from kid */
+ STATUS_CURRENT = -1;
+ }
+ }
+ PUSHi(STATUS_CURRENT);
+ RETURN;
+ }
+ if (did_pipes) {
+ PerlLIO_close(pp[0]);
#if defined(HAS_FCNTL) && defined(F_SETFD)
- fcntl(pp[1], F_SETFD, FD_CLOEXEC);
+ fcntl(pp[1], F_SETFD, FD_CLOEXEC);
#endif
- }
- }
- if (PL_op->op_flags & OPf_STACKED) {
- SV *really = *++MARK;
- value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
- }
- else if (SP - MARK != 1)
- value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
- else {
- value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
+ }
+ if (PL_op->op_flags & OPf_STACKED) {
+ SV *really = *++MARK;
+ value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
+ }
+ else if (SP - MARK != 1)
+ value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
+ else {
+ value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
+ }
+ PerlProc__exit(-1);
}
- PerlProc__exit(-1);
#else /* ! FORK or VMS or OS/2 */
PL_statusvalue = 0;
result = 0;
I32 value;
STRLEN n_a;
+ if (PL_tainting) {
+ TAINT_ENV();
+ while (++MARK <= SP) {
+ (void)SvPV_nolen(*MARK); /* stringify for taint check */
+ if (PL_tainted)
+ break;
+ }
+ MARK = ORIGMARK;
+ /* XXX Remove warning at end of deprecation cycle --RD 2002-02 */
+ if (SP - MARK == 1) {
+ TAINT_PROPER("exec");
+ }
+ else if (ckWARN2(WARN_TAINT, WARN_DEPRECATED)) {
+ Perl_warner(aTHX_ packWARN2(WARN_TAINT, WARN_DEPRECATED),
+ "Use of tainted arguments in %s is deprecated", "exec");
+ }
+ }
PERL_FLUSHALL_FOR_CHILD;
if (PL_op->op_flags & OPf_STACKED) {
SV *really = *++MARK;
# endif
#endif
else {
- if (PL_tainting) {
- (void)SvPV_nolen(*SP); /* stringify for taint check */
- TAINT_ENV();
- TAINT_PROPER("exec");
- }
#ifdef VMS
value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
#else
it's supported. --AD 9/96.
*/
+#ifdef __BEOS__
+# define HZ 1000000
+#endif
+
#ifndef HZ
# ifdef CLK_TCK
# define HZ CLK_TCK
register char **elem;
register SV *sv;
#ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
- struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
- struct hostent *PerlSock_gethostbyname(Netdb_name_t);
- struct hostent *PerlSock_gethostent(void);
+ struct hostent *gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
+ struct hostent *gethostbyname(Netdb_name_t);
+ struct hostent *gethostent(void);
#endif
struct hostent *hent;
unsigned long len;
STRLEN n_a;
EXTEND(SP, 10);
- if (which == OP_GHBYNAME)
+ if (which == OP_GHBYNAME) {
#ifdef HAS_GETHOSTBYNAME
- hent = PerlSock_gethostbyname(POPpbytex);
+ char* name = POPpbytex;
+ hent = PerlSock_gethostbyname(name);
#else
DIE(aTHX_ PL_no_sock_func, "gethostbyname");
#endif
+ }
else if (which == OP_GHBYADDR) {
#ifdef HAS_GETHOSTBYADDR
int addrtype = POPi;
#endif
#ifdef HOST_NOT_FOUND
- if (!hent)
- STATUS_NATIVE_SET(h_errno);
+ if (!hent) {
+#ifdef USE_REENTRANT_API
+# ifdef USE_GETHOSTENT_ERRNO
+ h_errno = PL_reentrant_buffer->_gethostent_errno;
+# endif
+#endif
+ STATUS_NATIVE_SET(h_errno);
+ }
#endif
if (GIMME != G_ARRAY) {
register char **elem;
register SV *sv;
#ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
- struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
- struct netent *PerlSock_getnetbyname(Netdb_name_t);
- struct netent *PerlSock_getnetent(void);
+ struct netent *getnetbyaddr(Netdb_net_t, int);
+ struct netent *getnetbyname(Netdb_name_t);
+ struct netent *getnetent(void);
#endif
struct netent *nent;
STRLEN n_a;
- if (which == OP_GNBYNAME)
+ if (which == OP_GNBYNAME){
#ifdef HAS_GETNETBYNAME
- nent = PerlSock_getnetbyname(POPpbytex);
+ char *name = POPpbytex;
+ nent = PerlSock_getnetbyname(name);
#else
DIE(aTHX_ PL_no_sock_func, "getnetbyname");
#endif
+ }
else if (which == OP_GNBYADDR) {
#ifdef HAS_GETNETBYADDR
int addrtype = POPi;
DIE(aTHX_ PL_no_sock_func, "getnetent");
#endif
+#ifdef HOST_NOT_FOUND
+ if (!nent) {
+#ifdef USE_REENTRANT_API
+# ifdef USE_GETNETENT_ERRNO
+ h_errno = PL_reentrant_buffer->_getnetent_errno;
+# endif
+#endif
+ STATUS_NATIVE_SET(h_errno);
+ }
+#endif
+
EXTEND(SP, 4);
if (GIMME != G_ARRAY) {
PUSHs(sv = sv_newmortal());
register char **elem;
register SV *sv;
#ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
- struct protoent *PerlSock_getprotobyname(Netdb_name_t);
- struct protoent *PerlSock_getprotobynumber(int);
- struct protoent *PerlSock_getprotoent(void);
+ struct protoent *getprotobyname(Netdb_name_t);
+ struct protoent *getprotobynumber(int);
+ struct protoent *getprotoent(void);
#endif
struct protoent *pent;
STRLEN n_a;
- if (which == OP_GPBYNAME)
+ if (which == OP_GPBYNAME) {
#ifdef HAS_GETPROTOBYNAME
- pent = PerlSock_getprotobyname(POPpbytex);
+ char* name = POPpbytex;
+ pent = PerlSock_getprotobyname(name);
#else
DIE(aTHX_ PL_no_sock_func, "getprotobyname");
#endif
- else if (which == OP_GPBYNUMBER)
+ }
+ else if (which == OP_GPBYNUMBER) {
#ifdef HAS_GETPROTOBYNUMBER
- pent = PerlSock_getprotobynumber(POPi);
+ int number = POPi;
+ pent = PerlSock_getprotobynumber(number);
#else
- DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
+ DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
#endif
+ }
else
#ifdef HAS_GETPROTOENT
pent = PerlSock_getprotoent();
register char **elem;
register SV *sv;
#ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
- struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
- struct servent *PerlSock_getservbyport(int, Netdb_name_t);
- struct servent *PerlSock_getservent(void);
+ struct servent *getservbyname(Netdb_name_t, Netdb_name_t);
+ struct servent *getservbyport(int, Netdb_name_t);
+ struct servent *getservent(void);
#endif
struct servent *sent;
STRLEN n_a;
else if (which == OP_GSBYPORT) {
#ifdef HAS_GETSERVBYPORT
char *proto = POPpbytex;
- unsigned short port = POPu;
+ unsigned short port = (unsigned short)POPu;
#ifdef HAS_HTONS
port = PerlSock_htons(port);
switch (which) {
case OP_GPWNAM:
- pwent = getpwnam(POPpbytex);
- break;
+ {
+ char* name = POPpbytex;
+ pwent = getpwnam(name);
+ }
+ break;
case OP_GPWUID:
- pwent = getpwuid((Uid_t)POPi);
+ {
+ Uid_t uid = POPi;
+ pwent = getpwuid(uid);
+ }
break;
case OP_GPWENT:
# ifdef HAS_GETPWENT
struct group *grent;
STRLEN n_a;
- if (which == OP_GGRNAM)
- grent = (struct group *)getgrnam(POPpbytex);
- else if (which == OP_GGRGID)
- grent = (struct group *)getgrgid(POPi);
+ if (which == OP_GGRNAM) {
+ char* name = POPpbytex;
+ grent = (struct group *)getgrnam(name);
+ }
+ else if (which == OP_GGRGID) {
+ Gid_t gid = POPi;
+ grent = (struct group *)getgrgid(gid);
+ }
else
#ifdef HAS_GETGRENT
grent = (struct group *)getgrent();
PUSHs(sv = sv_mortalcopy(&PL_sv_no));
sv_setiv(sv, (IV)grent->gr_gid);
+#if !(defined(_CRAYMPP) && defined(USE_REENTRANT_API))
PUSHs(sv = sv_mortalcopy(&PL_sv_no));
+ /* In UNICOS/mk (_CRAYMPP) the multithreading
+ * versions (getgrnam_r, getgrgid_r)
+ * seem to return an illegal pointer
+ * as the group members list, gr_mem.
+ * getgrent() doesn't even have a _r version
+ * but the gr_mem is poisonous anyway.
+ * So yes, you cannot get the list of group
+ * members if building multithreaded in UNICOS/mk. */
for (elem = grent->gr_mem; elem && *elem; elem++) {
sv_catpv(sv, *elem);
if (elem[1])
sv_catpvn(sv, " ", 1);
}
+#endif
}
RETURN;