#define PERL_IN_PP_SYS_C
#include "perl.h"
#include "time64.h"
-#include "time64.c"
#ifdef I_SHADOW
/* Shadow password support for solaris - pdo@cs.umd.edu
# include <sys/access.h>
#endif
-#if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
-# define FD_CLOEXEC 1 /* NeXT needs this */
-#endif
-
#include "reentr.h"
#ifdef __Lynx__
PP(pp_backtick)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
PerlIO *fp;
const char * const tmps = POPpconstx;
const I32 gimme = GIMME_V;
PP(pp_glob)
{
- dVAR;
OP *result;
dSP;
GV * const gv = (PL_op->op_flags & OPf_SPECIAL) ? NULL : (GV *)POPs;
PP(pp_rcatline)
{
- dVAR;
PL_last_in_gv = cGVOP_gv;
return do_readline();
}
PP(pp_warn)
{
- dVAR; dSP; dMARK;
+ dSP; dMARK;
SV *exsv;
STRLEN len;
if (SP - MARK > 1) {
PP(pp_die)
{
- dVAR; dSP; dMARK;
+ dSP; dMARK;
SV *exsv;
STRLEN len;
#ifdef VMS
exsv = newSVpvs_flags("Died", SVs_TEMP);
}
}
- return die_sv(exsv);
+ die_sv(exsv);
+ NOT_REACHED; /* NOTREACHED */
+ return NULL; /* avoid missing return from non-void function warning */
}
/* I/O. */
PERL_ARGS_ASSERT_TIED_METHOD;
/* Ensure that our flag bits do not overlap. */
- assert((TIED_METHOD_MORTALIZE_NOT_NEEDED & G_WANT) == 0);
- assert((TIED_METHOD_ARGUMENTS_ON_STACK & G_WANT) == 0);
- assert((TIED_METHOD_SAY & G_WANT) == 0);
+ STATIC_ASSERT_STMT((TIED_METHOD_MORTALIZE_NOT_NEEDED & G_WANT) == 0);
+ STATIC_ASSERT_STMT((TIED_METHOD_ARGUMENTS_ON_STACK & G_WANT) == 0);
+ STATIC_ASSERT_STMT((TIED_METHOD_SAY & G_WANT) == 0);
PUTBACK; /* sp is at *foot* of args, so this pops args from old stack */
PUSHSTACKi(PERLSI_MAGIC);
PP(pp_open)
{
- dVAR; dSP;
+ dSP;
dMARK; dORIGMARK;
dTARGET;
SV *sv;
}
tmps = SvPV_const(sv, len);
- ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, NULL, MARK+1, (SP-MARK));
+ ok = do_open6(gv, tmps, len, NULL, MARK+1, (SP-MARK));
SP = ORIGMARK;
if (ok)
PUSHi( (I32)PL_forkprocess );
PP(pp_close)
{
- dVAR; dSP;
+ dSP;
GV * const gv =
MAXARG == 0 || (!TOPs && !POPs) ? PL_defoutgv : MUTABLE_GV(POPs);
PP(pp_pipe_op)
{
#ifdef HAS_PIPE
- dVAR;
dSP;
IO *rstio;
IO *wstio;
PerlLIO_close(fd[1]);
goto badexit;
}
-#if defined(HAS_FCNTL) && defined(F_SETFD)
- fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
- fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
+#if defined(HAS_FCNTL) && defined(F_SETFD) && defined(FD_CLOEXEC)
+ /* ensure close-on-exec */
+ if ((fd[0] > PL_maxsysfd && fcntl(fd[0], F_SETFD, FD_CLOEXEC) < 0) ||
+ (fd[1] > PL_maxsysfd && fcntl(fd[1], F_SETFD, FD_CLOEXEC) < 0))
+ goto badexit;
#endif
RETPUSHYES;
-badexit:
+ badexit:
RETPUSHUNDEF;
#else
DIE(aTHX_ PL_no_func, "pipe");
PP(pp_fileno)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
GV *gv;
IO *io;
PerlIO *fp;
return tied_method0(SV_CONST(FILENO), SP, MUTABLE_SV(io), mg);
}
+ if (io && IoDIRP(io)) {
+#if defined(HAS_DIRFD) || defined(HAS_DIR_DD_FD)
+ PUSHi(my_dirfd(IoDIRP(io)));
+ RETURN;
+#elif defined(ENOTSUP)
+ errno = ENOTSUP; /* Operation not supported */
+ RETPUSHUNDEF;
+#elif defined(EOPNOTSUPP)
+ errno = EOPNOTSUPP; /* Operation not supported on socket */
+ RETPUSHUNDEF;
+#else
+ errno = EINVAL; /* Invalid argument */
+ RETPUSHUNDEF;
+#endif
+ }
+
if (!io || !(fp = IoIFP(io))) {
/* Can't do this because people seem to do things like
defined(fileno($foo)) to check whether $foo is a valid fh.
PP(pp_umask)
{
- dVAR;
dSP;
#ifdef HAS_UMASK
dTARGET;
PP(pp_binmode)
{
- dVAR; dSP;
+ dSP;
GV *gv;
IO *io;
PerlIO *fp;
PP(pp_tie)
{
- dVAR; dSP; dMARK;
+ dSP; dMARK;
HV* stash;
GV *gv = NULL;
SV *sv;
vivify_defelem(varsv);
varsv = LvTARG(varsv);
}
- /* FALL THROUGH */
+ /* FALLTHROUGH */
default:
methname = "TIESCALAR";
how = PERL_MAGIC_tiedscalar;
RETURN;
}
+
+/* also used for: pp_dbmclose() */
+
PP(pp_untie)
{
- dVAR; dSP;
+ dSP;
MAGIC *mg;
SV *sv = POPs;
const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
PP(pp_tied)
{
- dVAR;
dSP;
const MAGIC *mg;
- SV *sv = POPs;
+ dTOPss;
const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar;
if (isGV_with_GP(sv) && !SvFAKE(sv) && !(sv = MUTABLE_SV(GvIOp(sv))))
- RETPUSHUNDEF;
+ goto ret_undef;
if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y' &&
- !(sv = defelem_target(sv, NULL))) RETPUSHUNDEF;
+ !(sv = defelem_target(sv, NULL))) goto ret_undef;
if ((mg = SvTIED_mg(sv, how))) {
- PUSHs(SvTIED_obj(sv, mg));
- RETURN;
+ SETs(SvTIED_obj(sv, mg));
+ return NORMAL; /* PUTBACK not needed, pp_tied never moves SP */
}
- RETPUSHUNDEF;
+ ret_undef:
+ SETs(&PL_sv_undef);
+ return NORMAL;
}
PP(pp_dbmopen)
{
- dVAR; dSP;
+ dSP;
dPOPPOPssrl;
HV* stash;
GV *gv = NULL;
PUTBACK;
call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR);
SPAGAIN;
+ if (sv_isobject(TOPs))
+ goto retie;
}
-
- if (sv_isobject(TOPs)) {
+ else {
+ retie:
sv_unmagic(MUTABLE_SV(hv), PERL_MAGIC_tied);
sv_magic(MUTABLE_SV(hv), TOPs, PERL_MAGIC_tied, NULL, 0);
}
PP(pp_sselect)
{
#ifdef HAS_SELECT
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
I32 i;
I32 j;
char *s;
/* 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
+ * UNIX, Solaris, 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)));
# endif
}
PUSHi(nfound);
- if (GIMME == G_ARRAY && tbuf) {
+ if (GIMME_V == G_ARRAY && tbuf) {
value = (NV)(timebuf.tv_sec) +
(NV)(timebuf.tv_usec) / 1000000.0;
mPUSHn(value);
}
/*
+
+=head1 GV Functions
+
=for apidoc setdefout
-Sets PL_defoutgv, the default file handle for output, to the passed in
-typeglob. As PL_defoutgv "owns" a reference on its typeglob, the reference
+Sets C<PL_defoutgv>, the default file handle for output, to the passed in
+typeglob. As C<PL_defoutgv> "owns" a reference on its typeglob, the reference
count of the passed in typeglob is increased by one, and the reference count
-of the typeglob that PL_defoutgv points to is decreased by one.
+of the typeglob that C<PL_defoutgv> points to is decreased by one.
=cut
*/
void
Perl_setdefout(pTHX_ GV *gv)
{
- dVAR;
PERL_ARGS_ASSERT_SETDEFOUT;
SvREFCNT_inc_simple_void_NN(gv);
SvREFCNT_dec(PL_defoutgv);
PP(pp_select)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
HV *hv;
GV * const newdefout = (PL_op->op_private > 0) ? (MUTABLE_GV(POPs)) : NULL;
GV * egv = GvEGVx(PL_defoutgv);
PP(pp_getc)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
GV * const gv =
MAXARG==0 || (!TOPs && !POPs) ? PL_stdingv : MUTABLE_GV(POPs);
IO *const io = GvIO(gv);
STATIC OP *
S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
{
- dVAR;
PERL_CONTEXT *cx;
const I32 gimme = GIMME_V;
PP(pp_enterwrite)
{
- dVAR;
dSP;
GV *gv;
IO *io;
PP(pp_leavewrite)
{
- dVAR; dSP;
+ dSP;
GV * const gv = cxstack[cxstack_ix].blk_format.gv;
IO * const io = GvIOp(gv);
PerlIO *ofp;
I32 gimme;
PERL_CONTEXT *cx;
OP *retop;
+ bool is_return = cBOOL(PL_op->op_type == OP_RETURN);
- if (!io || !(ofp = IoOFP(io)))
+ if (is_return || !io || !(ofp = IoOFP(io)))
goto forget_top;
DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
SP = newsp; /* ignore retval of formline */
LEAVE;
- if (!io || !(fp = IoOFP(io))) {
+ if (is_return)
+ /* XXX the semantics of doing 'return' in a format aren't documented.
+ * Currently we ignore any args to 'return' and just return
+ * a single undef in both scalar and list contexts
+ */
+ PUSHs(&PL_sv_undef);
+ else if (!io || !(fp = IoOFP(io))) {
if (io && IoIFP(io))
report_wrongway_fh(gv, '<');
else
PP(pp_prtf)
{
- dVAR; dSP; dMARK; dORIGMARK;
+ dSP; dMARK; dORIGMARK;
PerlIO *fp;
GV * const gv
PP(pp_sysopen)
{
- dVAR;
dSP;
const int perm = (MAXARG > 3 && (TOPs || POPs)) ? POPi : 0666;
const int mode = POPi;
/* Need TIEHANDLE method ? */
const char * const tmps = SvPV_const(sv, len);
- /* FIXME? do_open should do const */
- if (do_open(gv, tmps, len, TRUE, mode, perm, NULL)) {
+ if (do_open_raw(gv, tmps, len, mode, perm)) {
IoLINES(GvIOp(gv)) = 0;
PUSHs(&PL_sv_yes);
}
RETURN;
}
+
+/* also used for: pp_read() and pp_recv() (where supported) */
+
PP(pp_sysread)
{
- dVAR; dSP; dMARK; dORIGMARK; dTARGET;
+ dSP; dMARK; dORIGMARK; dTARGET;
SSize_t offset;
IO *io;
char *buffer;
bool charstart = FALSE;
STRLEN charskip = 0;
STRLEN skip = 0;
-
GV * const gv = MUTABLE_GV(*++MARK);
+ int fd;
+
if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD)
&& gv && (io = GvIO(gv)) )
{
SETERRNO(EBADF,RMS_IFI);
goto say_undef;
}
+
+ /* Note that fd can here validly be -1, don't check it yet. */
+ fd = PerlIO_fileno(IoIFP(io));
+
if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTES) {
+ if (PL_op->op_type == OP_SYSREAD || PL_op->op_type == OP_RECV) {
+ Perl_ck_warner(aTHX_ packWARN(WARN_DEPRECATED),
+ "%s() is deprecated on :utf8 handles",
+ OP_DESC(PL_op));
+ }
buffer = SvPVutf8_force(bufsv, blen);
/* UTF-8 may not have been set if they are all low bytes */
SvUTF8_on(bufsv);
if (PL_op->op_type == OP_RECV) {
Sock_size_t bufsize;
char namebuf[MAXPATHLEN];
+ if (fd < 0) {
+ SETERRNO(EBADF,SS_IVCHAN);
+ RETPUSHUNDEF;
+ }
#if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(__QNXNTO__)
bufsize = sizeof (struct sockaddr_in);
#else
#endif
buffer = SvGROW(bufsv, (STRLEN)(length+1));
/* 'offset' means 'flags' here */
- count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
+ count = PerlSock_recvfrom(fd, buffer, length, offset,
(struct sockaddr *)namebuf, &bufsize);
if (count < 0)
RETPUSHUNDEF;
else
offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
}
+
more_bytes:
+ /* Reestablish the fd in case it shifted from underneath us. */
+ fd = PerlIO_fileno(IoIFP(io));
+
orig_size = SvCUR(bufsv);
/* Allocating length + offset + 1 isn't perfect in the case of reading
bytes from a byte file handle into a UTF8 buffer, but it won't harm us
unduly.
(should be 2 * length + offset + 1, or possibly something longer if
- PL_encoding is true) */
+ IN_ENCODING Is true) */
buffer = SvGROW(bufsv, (STRLEN)(length+offset+1));
if (offset > 0 && offset > (SSize_t)orig_size) { /* Zero any newly allocated space */
Zero(buffer+orig_size, offset-orig_size, char);
if (PL_op->op_type == OP_SYSREAD) {
#ifdef PERL_SOCK_SYSREAD_IS_RECV
if (IoTYPE(io) == IoTYPE_SOCKET) {
- count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
- buffer, length, 0);
+ if (fd < 0) {
+ SETERRNO(EBADF,SS_IVCHAN);
+ count = -1;
+ }
+ else
+ count = PerlSock_recv(fd, buffer, length, 0);
}
else
#endif
{
- count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
- buffer, length);
+ if (fd < 0) {
+ SETERRNO(EBADF,RMS_IFI);
+ count = -1;
+ }
+ else
+ count = PerlLIO_read(fd, buffer, length);
}
}
else
RETPUSHUNDEF;
}
+
+/* also used for: pp_send() where defined */
+
PP(pp_syswrite)
{
- dVAR; dSP; dMARK; dORIGMARK; dTARGET;
+ dSP; dMARK; dORIGMARK; dTARGET;
SV *bufsv;
const char *buffer;
SSize_t retval;
U8 *tmpbuf = NULL;
GV *const gv = MUTABLE_GV(*++MARK);
IO *const io = GvIO(gv);
+ int fd;
if (op_type == OP_SYSWRITE && io) {
const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar);
SETERRNO(EBADF,RMS_IFI);
goto say_undef;
}
+ fd = PerlIO_fileno(IoIFP(io));
+ if (fd < 0) {
+ SETERRNO(EBADF,SS_IVCHAN);
+ retval = -1;
+ goto say_undef;
+ }
/* Do this first to trigger any overloading. */
buffer = SvPV_const(bufsv, blen);
doing_utf8 = DO_UTF8(bufsv);
if (PerlIO_isutf8(IoIFP(io))) {
+ Perl_ck_warner(aTHX_ packWARN(WARN_DEPRECATED),
+ "%s() is deprecated on :utf8 handles",
+ OP_DESC(PL_op));
if (!SvUTF8(bufsv)) {
/* We don't modify the original scalar. */
tmpbuf = bytes_to_utf8((const U8*) buffer, &blen);
if (SP > MARK) {
STRLEN mlen;
char * const sockbuf = SvPVx(*++MARK, mlen);
- retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
+ retval = PerlSock_sendto(fd, buffer, blen,
flags, (struct sockaddr *)sockbuf, mlen);
}
else {
- retval
- = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, flags);
+ retval = PerlSock_send(fd, buffer, blen, flags);
}
}
else
}
#ifdef PERL_SOCK_SYSWRITE_IS_SEND
if (IoTYPE(io) == IoTYPE_SOCKET) {
- retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
- buffer, length, 0);
+ retval = PerlSock_send(fd, buffer, length, 0);
}
else
#endif
{
/* See the note at doio.c:do_print about filesize limits. --jhi */
- retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
- buffer, length);
+ retval = PerlLIO_write(fd, buffer, length);
}
}
PP(pp_eof)
{
- dVAR; dSP;
+ dSP;
GV *gv;
IO *io;
const MAGIC *mg;
if (!MAXARG && (PL_op->op_flags & OPf_SPECIAL)) { /* eof() */
if (io && !IoIFP(io)) {
if ((IoFLAGS(io) & IOf_START) && av_tindex(GvAVn(gv)) < 0) {
+ SV ** svp;
IoLINES(io) = 0;
IoFLAGS(io) &= ~IOf_START;
- do_open(gv, "-", 1, FALSE, O_RDONLY, 0, NULL);
- if (GvSV(gv))
- sv_setpvs(GvSV(gv), "-");
+ do_open6(gv, "-", 1, NULL, NULL, 0);
+ svp = &GvSV(gv);
+ if (*svp) {
+ SV * sv = *svp;
+ sv_setpvs(sv, "-");
+ SvSETMAGIC(sv);
+ }
else
- GvSV(gv) = newSVpvs("-");
- SvSETMAGIC(GvSV(gv));
+ *svp = newSVpvs("-");
}
- else if (!nextargv(gv))
+ else if (!nextargv(gv, FALSE))
RETPUSHYES;
}
}
PP(pp_tell)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
GV *gv;
IO *io;
RETURN;
}
+
+/* also used for: pp_seek() */
+
PP(pp_sysseek)
{
- dVAR; dSP;
+ dSP;
const int whence = POPi;
#if LSEEKSIZE > IVSIZE
const Off_t offset = (Off_t)SvNVx(POPs);
PP(pp_truncate)
{
- dVAR;
dSP;
/* There seems to be no consensus on the length type of truncate()
* and ftruncate(), both off_t and size_t have supporters. In
result = 0;
}
else {
- PerlIO_flush(fp);
+ int fd = PerlIO_fileno(fp);
+ if (fd < 0) {
+ SETERRNO(EBADF,RMS_IFI);
+ result = 0;
+ } else {
+ if (len < 0) {
+ SETERRNO(EINVAL, LIB_INVARG);
+ result = 0;
+ } else {
+ PerlIO_flush(fp);
#ifdef HAS_TRUNCATE
- if (ftruncate(PerlIO_fileno(fp), len) < 0)
+ if (ftruncate(fd, len) < 0)
#else
- if (my_chsize(PerlIO_fileno(fp), len) < 0)
+ if (my_chsize(fd, len) < 0)
#endif
- result = 0;
+ result = 0;
+ }
+ }
}
}
}
result = 0;
#else
{
- const int tmpfd = PerlLIO_open(name, O_RDWR);
+ int mode = O_RDWR;
+ int tmpfd;
+
+#if defined(USE_64_BIT_RAWIO) && defined(O_LARGEFILE)
+ mode |= O_LARGEFILE; /* Transparently largefiley. */
+#endif
+#ifdef O_BINARY
+ /* On open(), the Win32 CRT tries to seek around text
+ * files using 32-bit offsets, which causes the open()
+ * to fail on large files, so open in binary mode.
+ */
+ mode |= O_BINARY;
+#endif
+ tmpfd = PerlLIO_open(name, mode);
- if (tmpfd < 0)
+ if (tmpfd < 0) {
result = 0;
- else {
+ } else {
if (my_chsize(tmpfd, len) < 0)
result = 0;
PerlLIO_close(tmpfd);
}
}
+
+/* also used for: pp_fcntl() */
+
PP(pp_ioctl)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
SV * const argsv = POPs;
const unsigned int func = POPu;
int optype;
PP(pp_flock)
{
#ifdef FLOCK
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
I32 value;
const int argtype = POPi;
GV * const gv = MUTABLE_GV(POPs);
PUSHi(value);
RETURN;
#else
- DIE(aTHX_ PL_no_func, "flock()");
+ DIE(aTHX_ PL_no_func, "flock");
#endif
}
PP(pp_socket)
{
- dVAR; dSP;
+ dSP;
const int protocol = POPi;
const int type = POPi;
const int domain = POPi;
TAINT_PROPER("socket");
fd = PerlSock_socket(domain, type, protocol);
- if (fd < 0)
+ if (fd < 0) {
+ SETERRNO(EBADF,RMS_IFI);
RETPUSHUNDEF;
+ }
IoIFP(io) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); /* stdio gets confused about sockets */
IoOFP(io) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE);
IoTYPE(io) = IoTYPE_SOCKET;
if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
RETPUSHUNDEF;
}
-#if defined(HAS_FCNTL) && defined(F_SETFD)
- fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
+#if defined(HAS_FCNTL) && defined(F_SETFD) && defined(FD_CLOEXEC)
+ /* ensure close-on-exec */
+ if (fd > PL_maxsysfd && fcntl(fd, F_SETFD, FD_CLOEXEC) < 0)
+ RETPUSHUNDEF;
#endif
RETPUSHYES;
PP(pp_sockpair)
{
#if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET))
- dVAR; dSP;
+ dSP;
int fd[2];
const int protocol = POPi;
const int type = POPi;
if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
RETPUSHUNDEF;
}
-#if defined(HAS_FCNTL) && defined(F_SETFD)
- fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
- fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
+#if defined(HAS_FCNTL) && defined(F_SETFD) && defined(FD_CLOEXEC)
+ /* ensure close-on-exec */
+ if ((fd[0] > PL_maxsysfd && fcntl(fd[0], F_SETFD, FD_CLOEXEC) < 0) ||
+ (fd[1] > PL_maxsysfd && fcntl(fd[1], F_SETFD, FD_CLOEXEC) < 0))
+ RETPUSHUNDEF;
#endif
RETPUSHYES;
#ifdef HAS_SOCKET
+/* also used for: pp_connect() */
+
PP(pp_bind)
{
- dVAR; dSP;
+ dSP;
SV * const addrsv = POPs;
/* OK, so on what platform does bind modify addr? */
const char *addr;
IO * const io = GvIOn(gv);
STRLEN len;
int op_type;
+ int fd;
if (!IoIFP(io))
goto nuts;
+ fd = PerlIO_fileno(IoIFP(io));
+ if (fd < 0)
+ goto nuts;
addr = SvPV_const(addrsv, len);
op_type = PL_op->op_type;
TAINT_PROPER(PL_op_desc[op_type]);
if ((op_type == OP_BIND
- ? PerlSock_bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len)
- : PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len))
+ ? PerlSock_bind(fd, (struct sockaddr *)addr, len)
+ : PerlSock_connect(fd, (struct sockaddr *)addr, len))
>= 0)
RETPUSHYES;
else
RETPUSHUNDEF;
-nuts:
+ nuts:
report_evil_fh(gv);
SETERRNO(EBADF,SS_IVCHAN);
RETPUSHUNDEF;
PP(pp_listen)
{
- dVAR; dSP;
+ dSP;
const int backlog = POPi;
GV * const gv = MUTABLE_GV(POPs);
IO * const io = GvIOn(gv);
else
RETPUSHUNDEF;
-nuts:
+ nuts:
report_evil_fh(gv);
SETERRNO(EBADF,SS_IVCHAN);
RETPUSHUNDEF;
PP(pp_accept)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
IO *nstio;
char namebuf[MAXPATHLEN];
#if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(__QNXNTO__)
if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
goto badexit;
}
-#if defined(HAS_FCNTL) && defined(F_SETFD)
- fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
+#if defined(HAS_FCNTL) && defined(F_SETFD) && defined(FD_CLOEXEC)
+ /* ensure close-on-exec */
+ if (fd > PL_maxsysfd && fcntl(fd, F_SETFD, FD_CLOEXEC) < 0)
+ goto badexit;
#endif
#ifdef __SCO_VERSION__
PUSHp(namebuf, len);
RETURN;
-nuts:
+ nuts:
report_evil_fh(ggv);
SETERRNO(EBADF,SS_IVCHAN);
-badexit:
+ badexit:
RETPUSHUNDEF;
}
PP(pp_shutdown)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
const int how = POPi;
GV * const gv = MUTABLE_GV(POPs);
IO * const io = GvIOn(gv);
PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
RETURN;
-nuts:
+ nuts:
report_evil_fh(gv);
SETERRNO(EBADF,SS_IVCHAN);
RETPUSHUNDEF;
}
+
+/* also used for: pp_gsockopt() */
+
PP(pp_ssockopt)
{
- dVAR; dSP;
+ dSP;
const int optype = PL_op->op_type;
SV * const sv = (optype == OP_GSOCKOPT) ? sv_2mortal(newSV(257)) : POPs;
const unsigned int optname = (unsigned int) POPi;
goto nuts;
fd = PerlIO_fileno(IoIFP(io));
+ if (fd < 0)
+ goto nuts;
switch (optype) {
case OP_GSOCKOPT:
SvGROW(sv, 257);
len = SvCUR(sv);
if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
goto nuts2;
+#if defined(_AIX)
+ /* XXX Configure test: does getsockopt set the length properly? */
+ if (len == 256)
+ len = sizeof(int);
+#endif
SvCUR_set(sv, len);
*SvEND(sv) ='\0';
PUSHs(sv);
}
RETURN;
-nuts:
+ nuts:
report_evil_fh(gv);
SETERRNO(EBADF,SS_IVCHAN);
-nuts2:
+ nuts2:
RETPUSHUNDEF;
}
+
+/* also used for: pp_getsockname() */
+
PP(pp_getpeername)
{
- dVAR; dSP;
+ dSP;
const int optype = PL_op->op_type;
GV * const gv = MUTABLE_GV(POPs);
IO * const io = GvIOn(gv);
SvCUR_set(sv, len);
*SvEND(sv) ='\0';
fd = PerlIO_fileno(IoIFP(io));
+ if (fd < 0)
+ goto nuts;
switch (optype) {
case OP_GETSOCKNAME:
if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
PUSHs(sv);
RETURN;
-nuts:
+ nuts:
report_evil_fh(gv);
SETERRNO(EBADF,SS_IVCHAN);
-nuts2:
+ nuts2:
RETPUSHUNDEF;
}
/* Stat calls. */
+/* also used for: pp_lstat() */
+
PP(pp_stat)
{
- dVAR;
dSP;
GV *gv = NULL;
IO *io = NULL;
}
if (io) {
if (IoIFP(io)) {
- PL_laststatval =
- PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
- havefp = TRUE;
+ int fd = PerlIO_fileno(IoIFP(io));
+ if (fd < 0) {
+ PL_laststatval = -1;
+ SETERRNO(EBADF,RMS_IFI);
+ } else {
+ PL_laststatval = PerlLIO_fstat(fd, &PL_statcache);
+ havefp = TRUE;
+ }
} else if (IoDIRP(io)) {
PL_laststatval =
PerlLIO_fstat(my_dirfd(IoDIRP(io)), &PL_statcache);
}
}
else {
+ const char *file;
if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) {
io = MUTABLE_IO(SvRV(sv));
if (PL_op->op_type == OP_LSTAT)
sv_setpv(PL_statname, SvPV_nomg_const_nolen(sv));
PL_statgv = NULL;
PL_laststype = PL_op->op_type;
+ file = SvPV_nolen_const(PL_statname);
if (PL_op->op_type == OP_LSTAT)
- PL_laststatval = PerlLIO_lstat(SvPV_nolen_const(PL_statname), &PL_statcache);
+ PL_laststatval = PerlLIO_lstat(file, &PL_statcache);
else
- PL_laststatval = PerlLIO_stat(SvPV_nolen_const(PL_statname), &PL_statcache);
+ PL_laststatval = PerlLIO_stat(file, &PL_statcache);
if (PL_laststatval < 0) {
- if (ckWARN(WARN_NEWLINE) &&
- strchr(SvPV_nolen_const(PL_statname), '\n'))
- {
+ if (ckWARN(WARN_NEWLINE) && should_warn_nl(file)) {
/* PL_warn_nl is constant */
GCC_DIAG_IGNORE(-Wformat-nonliteral);
Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat");
STATIC OP *
S_try_amagic_ftest(pTHX_ char chr) {
- dVAR;
SV *const arg = *PL_stack_sp;
assert(chr != '?');
}
+/* also used for: pp_fteexec() pp_fteread() pp_ftewrite() pp_ftrexec()
+ * pp_ftrwrite() */
+
PP(pp_ftrread)
{
- dVAR;
I32 result;
/* Not const, because things tweak this below. Not bool, because there's
- no guarantee that OPp_FT_ACCESS is <= CHAR_MAX */
+ no guarantee that OPpFT_ACCESS is <= CHAR_MAX */
#if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS)
I32 use_access = PL_op->op_private & OPpFT_ACCESS;
/* Giving some sort of initial value silences compilers. */
access_mode = W_OK;
#endif
stat_mode = S_IWUSR;
- /* fall through */
+ /* FALLTHROUGH */
case OP_FTEREAD:
#ifndef PERL_EFF_ACCESS
FT_RETURNNO;
}
+
+/* also used for: pp_ftatime() pp_ftctime() pp_ftmtime() pp_ftsize() */
+
PP(pp_ftis)
{
- dVAR;
I32 result;
const int op_type = PL_op->op_type;
char opchar = '?';
}
}
+
+/* also used for: pp_ftblk() pp_ftchr() pp_ftdir() pp_fteowned()
+ * pp_ftfile() pp_ftpipe() pp_ftsgid() pp_ftsock()
+ * pp_ftsuid() pp_ftsvtx() pp_ftzero() */
+
PP(pp_ftrowned)
{
- dVAR;
I32 result;
char opchar = '?';
PP(pp_ftlink)
{
- dVAR;
I32 result;
tryAMAGICftest_MG('l');
PP(pp_fttty)
{
- dVAR;
int fd;
GV *gv;
char *name = NULL;
STRLEN namelen;
+ UV uv;
tryAMAGICftest_MG('t');
if (GvIO(gv) && IoIFP(GvIOp(gv)))
fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
- else if (name && isDIGIT(*name))
- fd = atoi(name);
+ else if (name && isDIGIT(*name) && grok_atoUV(name, &uv, NULL) && uv <= PERL_INT_MAX)
+ fd = (int)uv;
else
FT_RETURNUNDEF;
+ if (fd < 0) {
+ SETERRNO(EBADF,RMS_IFI);
+ FT_RETURNUNDEF;
+ }
if (PerlLIO_isatty(fd))
FT_RETURNYES;
FT_RETURNNO;
}
+
+/* also used for: pp_ftbinary() */
+
PP(pp_fttext)
{
- dVAR;
I32 i;
SSize_t len;
I32 odd = 0;
PL_laststatval = -1;
PL_laststype = OP_STAT;
if (io && IoIFP(io)) {
+ int fd;
if (! PerlIO_has_base(IoIFP(io)))
DIE(aTHX_ "-T and -B not implemented on filehandles");
- PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
+ fd = PerlIO_fileno(IoIFP(io));
+ if (fd < 0) {
+ SETERRNO(EBADF,RMS_IFI);
+ FT_RETURNUNDEF;
+ }
+ PL_laststatval = PerlLIO_fstat(fd, &PL_statcache);
if (PL_laststatval < 0)
FT_RETURNUNDEF;
if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */
i = PerlIO_getc(IoIFP(io));
if (i != EOF)
(void)PerlIO_ungetc(IoIFP(io),i);
+ else
+ /* null file is anything */
+ FT_RETURNYES;
}
- if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
- FT_RETURNYES;
len = PerlIO_get_bufsiz(IoIFP(io));
s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
/* sfio can have large buffers - limit to 512 */
}
}
else {
+ const char *file;
+ int fd;
+
+ assert(sv);
sv_setpv(PL_statname, SvPV_nomg_const_nolen(sv));
really_filename:
+ file = SvPVX_const(PL_statname);
PL_statgv = NULL;
- if (!(fp = PerlIO_open(SvPVX_const(PL_statname), "r"))) {
+ if (!(fp = PerlIO_open(file, "r"))) {
if (!gv) {
PL_laststatval = -1;
PL_laststype = OP_STAT;
}
- if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname),
- '\n'))
- {
+ if (ckWARN(WARN_NEWLINE) && should_warn_nl(file)) {
/* PL_warn_nl is constant */
GCC_DIAG_IGNORE(-Wformat-nonliteral);
Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open");
FT_RETURNUNDEF;
}
PL_laststype = OP_STAT;
- PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
+ fd = PerlIO_fileno(fp);
+ if (fd < 0) {
+ (void)PerlIO_close(fp);
+ SETERRNO(EBADF,RMS_IFI);
+ FT_RETURNUNDEF;
+ }
+ PL_laststatval = PerlLIO_fstat(fd, &PL_statcache);
if (PL_laststatval < 0) {
(void)PerlIO_close(fp);
+ SETERRNO(EBADF,RMS_IFI);
FT_RETURNUNDEF;
}
PerlIO_binmode(aTHX_ fp, '<', O_BINARY, NULL);
}
/* now scan s to look for textiness */
- /* XXX ASCII dependent code */
#if defined(DOSISH) || defined(USEMYBINMODE)
/* ignore trailing ^Z on short files */
--len;
#endif
+ assert(len);
+ if (! is_invariant_string((U8 *) s, len)) {
+ const U8 *ep;
+
+ /* Here contains a variant under UTF-8 . See if the entire string is
+ * UTF-8. But the buffer may end in a partial character, so consider
+ * it UTF-8 if the first non-UTF8 char is an ending partial */
+ if (is_utf8_string_loc((U8 *) s, len, &ep)
+ || ep + UTF8SKIP(ep) > (U8 *) (s + len))
+ {
+ if (PL_op->op_type == OP_FTTEXT) {
+ FT_RETURNYES;
+ }
+ else {
+ FT_RETURNNO;
+ }
+ }
+ }
+
+ /* Here, is not UTF-8 or is entirely ASCII. Look through the buffer for
+ * things that wouldn't be in ASCII text or rich ASCII text. Count these
+ * in 'odd' */
for (i = 0; i < len; i++, s++) {
if (!*s) { /* null never allowed in text */
odd += len;
break;
}
-#ifdef EBCDIC
- else if (!(isPRINT(*s) || isSPACE(*s)))
- odd++;
-#else
- else if (*s & 128) {
-#ifdef USE_LOCALE
- if (IN_LOCALE_RUNTIME && isALPHA_LC(*s))
+#ifdef USE_LOCALE_CTYPE
+ if (IN_LC_RUNTIME(LC_CTYPE)) {
+ if ( isPRINT_LC(*s) || isSPACE_LC(*s)) {
continue;
+ }
+ }
+ else
#endif
- /* utf8 characters don't count as odd */
- if (UTF8_IS_START(*s)) {
- int ulen = UTF8SKIP(s);
- if (ulen < len - i) {
- int j;
- for (j = 1; j < ulen; j++) {
- if (!UTF8_IS_CONTINUATION(s[j]))
- goto not_utf8;
- }
- --ulen; /* loop does extra increment */
- s += ulen;
- i += ulen;
- continue;
- }
- }
- not_utf8:
- odd++;
- }
- else if (*s < 32 &&
- *s != '\n' && *s != '\r' && *s != '\b' &&
- *s != '\t' && *s != '\f' && *s != 27)
- odd++;
-#endif
+ if (isPRINT_A(*s)
+ /* VT occurs so rarely in text, that we consider it odd */
+ || (isSPACE_A(*s) && *s != VT_NATIVE)
+
+ /* But there is a fair amount of backspaces and escapes in
+ * some text */
+ || *s == '\b'
+ || *s == ESC_NATIVE)
+ {
+ continue;
+ }
+ odd++;
}
if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
PP(pp_chdir)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
const char *tmps = NULL;
GV *gv = NULL;
SV * const sv = POPs;
if (PL_op->op_flags & OPf_SPECIAL) {
gv = gv_fetchsv(sv, 0, SVt_PVIO);
+ if (!gv) {
+ if (ckWARN(WARN_UNOPENED)) {
+ Perl_warner(aTHX_ packWARN(WARN_UNOPENED),
+ "chdir() on unopened filehandle %" SVf, sv);
+ }
+ SETERRNO(EBADF,RMS_IFI);
+ PUSHi(0);
+ TAINT_PROPER("chdir");
+ RETURN;
+ }
}
else if (!(gv = MAYBE_DEREF_GV(sv)))
tmps = SvPV_nomg_const_nolen(sv);
}
-
- if( !gv && (!tmps || !*tmps) ) {
+ else {
HV * const table = GvHVn(PL_envgv);
SV **svp;
#endif
)
{
- if( MAXARG == 1 )
- deprecate("chdir('') or chdir(undef) as chdir()");
tmps = SvPV_nolen_const(*svp);
}
else {
PUSHi(0);
+ SETERRNO(EINVAL, LIB_INVARG);
TAINT_PROPER("chdir");
RETURN;
}
if (IoDIRP(io)) {
PUSHi(fchdir(my_dirfd(IoDIRP(io))) >= 0);
} else if (IoIFP(io)) {
- PUSHi(fchdir(PerlIO_fileno(IoIFP(io))) >= 0);
+ int fd = PerlIO_fileno(IoIFP(io));
+ if (fd < 0) {
+ goto nuts;
+ }
+ PUSHi(fchdir(fd) >= 0);
}
else {
- report_evil_fh(gv);
- SETERRNO(EBADF, RMS_IFI);
- PUSHi(0);
+ goto nuts;
}
+ } else {
+ goto nuts;
}
- else {
- report_evil_fh(gv);
- SETERRNO(EBADF,RMS_IFI);
- PUSHi(0);
- }
+
#else
DIE(aTHX_ PL_no_func, "fchdir");
#endif
hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
#endif
RETURN;
+
+#ifdef HAS_FCHDIR
+ nuts:
+ report_evil_fh(gv);
+ SETERRNO(EBADF,RMS_IFI);
+ PUSHi(0);
+ RETURN;
+#endif
}
+
+/* also used for: pp_chmod() pp_kill() pp_unlink() pp_utime() */
+
PP(pp_chown)
{
- dVAR; dSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
const I32 value = (I32)apply(PL_op->op_type, MARK, SP);
SP = MARK;
PP(pp_chroot)
{
#ifdef HAS_CHROOT
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
char * const tmps = POPpx;
TAINT_PROPER("chroot");
PUSHi( chroot(tmps) >= 0 );
PP(pp_rename)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
int anum;
const char * const tmps2 = POPpconstx;
const char * const tmps = SvPV_nolen_const(TOPs);
RETURN;
}
+
+/* also used for: pp_symlink() */
+
#if defined(HAS_LINK) || defined(HAS_SYMLINK)
PP(pp_link)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
const int op_type = PL_op->op_type;
int result;
RETURN;
}
#else
+
+/* also used for: pp_symlink() */
+
PP(pp_link)
{
/* Have neither. */
PP(pp_readlink)
{
- dVAR;
dSP;
#ifdef HAS_SYMLINK
dTARGET;
const char *tmps;
char buf[MAXPATHLEN];
- int len;
+ SSize_t len;
TAINT;
tmps = POPpconstx;
+ /* NOTE: if the length returned by readlink() is sizeof(buf) - 1,
+ * it is impossible to know whether the result was truncated. */
len = readlink(tmps, buf, sizeof(buf) - 1);
if (len < 0)
RETPUSHUNDEF;
+ if (len != -1)
+ buf[len] = '\0';
PUSHp(buf, len);
RETURN;
#else
PP(pp_mkdir)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
STRLEN len;
const char *tmps;
bool copy = FALSE;
- const int mode = (MAXARG > 1 && (TOPs||((void)POPs,0))) ? POPi : 0777;
+ const unsigned int mode = (MAXARG > 1 && (TOPs||((void)POPs,0))) ? POPu : 0777;
TRIMSLASHES(tmps,len,copy);
PP(pp_rmdir)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
STRLEN len;
const char *tmps;
bool copy = FALSE;
PP(pp_open_dir)
{
#if defined(Direntry_t) && defined(HAS_READDIR)
- dVAR; dSP;
+ dSP;
const char * const dirname = POPpconstx;
GV * const gv = MUTABLE_GV(POPs);
IO * const io = GvIOn(gv);
goto nope;
RETPUSHYES;
-nope:
+ nope:
if (!errno)
SETERRNO(EBADF,RMS_DIR);
RETPUSHUNDEF;
#if !defined(I_DIRENT) && !defined(VMS)
Direntry_t *readdir (DIR *);
#endif
- dVAR;
dSP;
SV *sv;
- const I32 gimme = GIMME;
+ const I32 gimme = GIMME_V;
GV * const gv = MUTABLE_GV(POPs);
const Direntry_t *dp;
IO * const io = GvIOn(gv);
RETURN;
-nope:
+ nope:
if (!errno)
SETERRNO(EBADF,RMS_ISI);
- if (GIMME == G_ARRAY)
+ if (gimme == G_ARRAY)
RETURN;
else
RETPUSHUNDEF;
PP(pp_telldir)
{
#if defined(HAS_TELLDIR) || defined(telldir)
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
/* XXX does _anyone_ need this? --AD 2/20/1998 */
/* XXX netbsd still seemed to.
XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
PUSHi( PerlDir_tell(IoDIRP(io)) );
RETURN;
-nope:
+ nope:
if (!errno)
SETERRNO(EBADF,RMS_ISI);
RETPUSHUNDEF;
PP(pp_seekdir)
{
#if defined(HAS_SEEKDIR) || defined(seekdir)
- dVAR; dSP;
+ dSP;
const long along = POPl;
GV * const gv = MUTABLE_GV(POPs);
IO * const io = GvIOn(gv);
(void)PerlDir_seek(IoDIRP(io), along);
RETPUSHYES;
-nope:
+ nope:
if (!errno)
SETERRNO(EBADF,RMS_ISI);
RETPUSHUNDEF;
PP(pp_rewinddir)
{
#if defined(HAS_REWINDDIR) || defined(rewinddir)
- dVAR; dSP;
+ dSP;
GV * const gv = MUTABLE_GV(POPs);
IO * const io = GvIOn(gv);
}
(void)PerlDir_rewind(IoDIRP(io));
RETPUSHYES;
-nope:
+ nope:
if (!errno)
SETERRNO(EBADF,RMS_ISI);
RETPUSHUNDEF;
PP(pp_closedir)
{
#if defined(Direntry_t) && defined(HAS_READDIR)
- dVAR; dSP;
+ dSP;
GV * const gv = MUTABLE_GV(POPs);
IO * const io = GvIOn(gv);
IoDIRP(io) = 0;
RETPUSHYES;
-nope:
+ nope:
if (!errno)
SETERRNO(EBADF,RMS_IFI);
RETPUSHUNDEF;
PP(pp_fork)
{
#ifdef HAS_FORK
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
Pid_t childpid;
#ifdef HAS_SIGPROCMASK
sigset_t oldmask, newmask;
PP(pp_wait)
{
#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(__LIBCATAMOUNT__)
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
Pid_t childpid;
int argflags;
PP(pp_waitpid)
{
#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(__LIBCATAMOUNT__)
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
const int optype = POPi;
const Pid_t pid = TOPi;
Pid_t result;
PP(pp_system)
{
- dVAR; dSP; dMARK; dORIGMARK; dTARGET;
+ dSP; dMARK; dORIGMARK; dTARGET;
#if defined(__LIBCATAMOUNT__)
PL_statusvalue = -1;
SP = ORIGMARK;
#endif
if (did_pipes) {
PerlLIO_close(pp[0]);
-#if defined(HAS_FCNTL) && defined(F_SETFD)
- fcntl(pp[1], F_SETFD, FD_CLOEXEC);
+#if defined(HAS_FCNTL) && defined(F_SETFD) && defined(FD_CLOEXEC)
+ if (fcntl(pp[1], F_SETFD, FD_CLOEXEC) < 0)
+ RETPUSHUNDEF;
#endif
}
if (PL_op->op_flags & OPf_STACKED) {
PP(pp_exec)
{
- dVAR; dSP; dMARK; dORIGMARK; dTARGET;
+ dSP; dMARK; dORIGMARK; dTARGET;
I32 value;
+#if defined(__amigaos4__)
+ amigaos_stdio_store store;
+#endif
if (TAINTING_get) {
TAINT_ENV();
MARK = ORIGMARK;
TAINT_PROPER("exec");
}
+#if defined(__amigaos4__)
+ /* Make sure redirection behaves after exec. Yes, in AmigaOS the
+ * original process continues after exec, since processes are more
+ * like threads. */
+ amigaos_stdio_save(aTHX_ &store);
+#endif
PERL_FLUSHALL_FOR_CHILD;
if (PL_op->op_flags & OPf_STACKED) {
SV * const really = *++MARK;
#endif
}
+#if defined(__amigaos4__)
+ amigaos_stdio_restore(aTHX_ &store);
+ STATUS_NATIVE_CHILD_SET(value);
+ PL_exit_flags |= PERL_EXIT_EXPECTED;
+ if (value != -1) my_exit(value);
+#endif
SP = ORIGMARK;
XPUSHi(value);
RETURN;
PP(pp_getppid)
{
#ifdef HAS_GETPPID
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
XPUSHi( getppid() );
RETURN;
#else
PP(pp_getpgrp)
{
#ifdef HAS_GETPGRP
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
Pid_t pgrp;
const Pid_t pid =
(MAXARG < 1) ? 0 : TOPs ? SvIVx(POPs) : ((void)POPs, 0);
XPUSHi(pgrp);
RETURN;
#else
- DIE(aTHX_ PL_no_func, "getpgrp()");
+ DIE(aTHX_ PL_no_func, "getpgrp");
#endif
}
PP(pp_setpgrp)
{
#ifdef HAS_SETPGRP
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
Pid_t pgrp;
Pid_t pid;
pgrp = MAXARG == 2 && (TOPs||POPs) ? POPi : 0;
- if (MAXARG > 0) pid = TOPs && TOPi;
+ if (MAXARG > 0) pid = TOPs ? TOPi : 0;
else {
pid = 0;
- XPUSHi(-1);
+ EXTEND(SP,1);
+ SP++;
}
TAINT_PROPER("setpgrp");
#endif /* USE_BSDPGRP */
RETURN;
#else
- DIE(aTHX_ PL_no_func, "setpgrp()");
+ DIE(aTHX_ PL_no_func, "setpgrp");
#endif
}
PP(pp_getpriority)
{
#ifdef HAS_GETPRIORITY
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
const int who = POPi;
const int which = TOPi;
SETi( getpriority(PRIORITY_WHICH_T(which), who) );
RETURN;
#else
- DIE(aTHX_ PL_no_func, "getpriority()");
+ DIE(aTHX_ PL_no_func, "getpriority");
#endif
}
PP(pp_setpriority)
{
#ifdef HAS_SETPRIORITY
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
const int niceval = POPi;
const int who = POPi;
const int which = TOPi;
SETi( setpriority(PRIORITY_WHICH_T(which), who, niceval) >= 0 );
RETURN;
#else
- DIE(aTHX_ PL_no_func, "setpriority()");
+ DIE(aTHX_ PL_no_func, "setpriority");
#endif
}
PP(pp_time)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
#ifdef BIG_TIME
XPUSHn( time(NULL) );
#else
PP(pp_tms)
{
#ifdef HAS_TIMES
- dVAR;
dSP;
struct tms timesbuf;
(void)PerlProc_times(×buf);
mPUSHn(((NV)timesbuf.tms_utime)/(NV)PL_clocktick);
- if (GIMME == G_ARRAY) {
+ if (GIMME_V == G_ARRAY) {
mPUSHn(((NV)timesbuf.tms_stime)/(NV)PL_clocktick);
mPUSHn(((NV)timesbuf.tms_cutime)/(NV)PL_clocktick);
mPUSHn(((NV)timesbuf.tms_cstime)/(NV)PL_clocktick);
dSP;
mPUSHn(0.0);
EXTEND(SP, 4);
- if (GIMME == G_ARRAY) {
+ if (GIMME_V == G_ARRAY) {
mPUSHn(0.0);
mPUSHn(0.0);
mPUSHn(0.0);
/* Sun Dec 29 12:00:00 2147483647 */
#define TIME_UPPER_BOUND 67767976233316800.0
+
+/* also used for: pp_localtime() */
+
PP(pp_gmtime)
{
- dVAR;
dSP;
Time64_T when;
struct TM tmbuf;
}
else {
NV input = Perl_floor(POPn);
+ const bool pl_isnan = Perl_isnan(input);
when = (Time64_T)input;
- if (when != input) {
+ if (UNLIKELY(pl_isnan || when != input)) {
/* diag_listed_as: gmtime(%f) too large */
Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW),
"%s(%.0" NVff ") too large", opname, input);
+ if (pl_isnan) {
+ err = NULL;
+ goto failed;
+ }
}
}
}
else {
if (PL_op->op_type == OP_LOCALTIME)
- err = S_localtime64_r(&when, &tmbuf);
+ err = Perl_localtime64_r(&when, &tmbuf);
else
- err = S_gmtime64_r(&when, &tmbuf);
+ err = Perl_gmtime64_r(&when, &tmbuf);
}
if (err == NULL) {
+ /* diag_listed_as: gmtime(%f) failed */
/* XXX %lld broken for quads */
+ failed:
Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW),
"%s(%.0" NVff ") failed", opname, when);
}
- if (GIMME != G_ARRAY) { /* scalar context */
- SV *tsv;
- /* XXX newSVpvf()'s %lld type is broken, so cheat with a double */
- double year = (double)tmbuf.tm_year + 1900;
-
+ if (GIMME_V != G_ARRAY) { /* scalar context */
EXTEND(SP, 1);
- EXTEND_MORTAL(1);
if (err == NULL)
RETPUSHUNDEF;
-
- tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %.0f",
- dayname[tmbuf.tm_wday],
- monname[tmbuf.tm_mon],
- tmbuf.tm_mday,
- tmbuf.tm_hour,
- tmbuf.tm_min,
- tmbuf.tm_sec,
- year);
- mPUSHs(tsv);
+ else {
+ dTARGET;
+ PUSHs(TARG);
+ Perl_sv_setpvf_mg(aTHX_ TARG, "%s %s %2d %02d:%02d:%02d %"IVdf,
+ dayname[tmbuf.tm_wday],
+ monname[tmbuf.tm_mon],
+ tmbuf.tm_mday,
+ tmbuf.tm_hour,
+ tmbuf.tm_min,
+ tmbuf.tm_sec,
+ (IV)tmbuf.tm_year + 1900);
+ }
}
else { /* list context */
if ( err == NULL )
PP(pp_alarm)
{
#ifdef HAS_ALARM
- dVAR; dSP; dTARGET;
- int anum;
- anum = POPi;
- anum = alarm((unsigned int)anum);
- if (anum < 0)
- RETPUSHUNDEF;
- PUSHi(anum);
- RETURN;
+ dSP; dTARGET;
+ /* alarm() takes an unsigned int number of seconds, and return the
+ * unsigned int number of seconds remaining in the previous alarm
+ * (alarms don't stack). Therefore negative return values are not
+ * possible. */
+ int anum = POPi;
+ if (anum < 0) {
+ /* Note that while the C library function alarm() as such has
+ * no errors defined (or in other words, properly behaving client
+ * code shouldn't expect any), alarm() being obsoleted by
+ * setitimer() and often being implemented in terms of
+ * setitimer(), can fail. */
+ /* diag_listed_as: %s() with negative argument */
+ Perl_ck_warner_d(aTHX_ packWARN(WARN_MISC),
+ "alarm() with negative argument");
+ SETERRNO(EINVAL, LIB_INVARG);
+ RETPUSHUNDEF;
+ }
+ else {
+ unsigned int retval = alarm(anum);
+ if ((int)retval < 0) /* Strictly speaking "cannot happen". */
+ RETPUSHUNDEF;
+ PUSHu(retval);
+ RETURN;
+ }
#else
DIE(aTHX_ PL_no_func, "alarm");
#endif
PP(pp_sleep)
{
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
I32 duration;
Time_t lasttime;
Time_t when;
PerlProc_pause();
else {
duration = POPi;
- PerlProc_sleep((unsigned int)duration);
+ if (duration < 0) {
+ /* diag_listed_as: %s() with negative argument */
+ Perl_ck_warner_d(aTHX_ packWARN(WARN_MISC),
+ "sleep() with negative argument");
+ SETERRNO(EINVAL, LIB_INVARG);
+ XPUSHi(0);
+ RETURN;
+ } else {
+ PerlProc_sleep((unsigned int)duration);
+ }
}
(void)time(&when);
XPUSHi(when - lasttime);
/* Shared memory. */
/* Merged with some message passing. */
+/* also used for: pp_msgrcv() pp_msgsnd() pp_semop() pp_shmread() */
+
PP(pp_shmwrite)
{
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- dVAR; dSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
const int op_type = PL_op->op_type;
I32 value;
/* Semaphores. */
+/* also used for: pp_msgget() pp_shmget() */
+
PP(pp_semget)
{
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- dVAR; dSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
const int anum = do_ipcget(PL_op->op_type, MARK, SP);
SP = MARK;
if (anum == -1)
#endif
}
+/* also used for: pp_msgctl() pp_shmctl() */
+
PP(pp_semctl)
{
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- dVAR; dSP; dMARK; dTARGET;
+ dSP; dMARK; dTARGET;
const int anum = do_ipcctl(PL_op->op_type, MARK, SP);
SP = MARK;
if (anum == -1)
- RETSETUNDEF;
+ RETPUSHUNDEF;
if (anum != 0) {
PUSHi(anum);
}
PERL_ARGS_ASSERT_SPACE_JOIN_NAMES_MORTAL;
- if (array && *array) {
+ if (*array) {
target = newSVpvs_flags("", SVs_TEMP);
while (1) {
sv_catpv(target, *array);
/* Get system info. */
+/* also used for: pp_ghbyaddr() pp_ghbyname() */
+
PP(pp_ghostent)
{
#if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
- dVAR; dSP;
+ dSP;
I32 which = PL_op->op_type;
char **elem;
SV *sv;
}
#endif
- if (GIMME != G_ARRAY) {
+ if (GIMME_V != G_ARRAY) {
PUSHs(sv = sv_newmortal());
if (hent) {
if (which == OP_GHBYNAME) {
#endif
}
+/* also used for: pp_gnbyaddr() pp_gnbyname() */
+
PP(pp_gnetent)
{
#if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
- dVAR; dSP;
+ dSP;
I32 which = PL_op->op_type;
SV *sv;
#ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
#endif
EXTEND(SP, 4);
- if (GIMME != G_ARRAY) {
+ if (GIMME_V != G_ARRAY) {
PUSHs(sv = sv_newmortal());
if (nent) {
if (which == OP_GNBYNAME)
#endif
}
+
+/* also used for: pp_gpbyname() pp_gpbynumber() */
+
PP(pp_gprotoent)
{
#if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
- dVAR; dSP;
+ dSP;
I32 which = PL_op->op_type;
SV *sv;
#ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
#endif
EXTEND(SP, 3);
- if (GIMME != G_ARRAY) {
+ if (GIMME_V != G_ARRAY) {
PUSHs(sv = sv_newmortal());
if (pent) {
if (which == OP_GPBYNAME)
#endif
}
+
+/* also used for: pp_gsbyname() pp_gsbyport() */
+
PP(pp_gservent)
{
#if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
- dVAR; dSP;
+ dSP;
I32 which = PL_op->op_type;
SV *sv;
#ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
#endif
EXTEND(SP, 4);
- if (GIMME != G_ARRAY) {
+ if (GIMME_V != G_ARRAY) {
PUSHs(sv = sv_newmortal());
if (sent) {
if (which == OP_GSBYNAME) {
#endif
}
+
+/* also used for: pp_snetent() pp_sprotoent() pp_sservent() */
+
PP(pp_shostent)
{
- dVAR; dSP;
+ dSP;
const int stayopen = TOPi;
switch(PL_op->op_type) {
case OP_SHOSTENT:
RETSETYES;
}
+
+/* also used for: pp_egrent() pp_enetent() pp_eprotoent() pp_epwent()
+ * pp_eservent() pp_sgrent() pp_spwent() */
+
PP(pp_ehostent)
{
- dVAR; dSP;
+ dSP;
switch(PL_op->op_type) {
case OP_EHOSTENT:
#ifdef HAS_ENDHOSTENT
RETPUSHYES;
}
+
+/* also used for: pp_gpwnam() pp_gpwuid() */
+
PP(pp_gpwent)
{
#ifdef HAS_PASSWD
- dVAR; dSP;
+ dSP;
I32 which = PL_op->op_type;
SV *sv;
struct passwd *pwent = NULL;
}
EXTEND(SP, 10);
- if (GIMME != G_ARRAY) {
+ if (GIMME_V != G_ARRAY) {
PUSHs(sv = sv_newmortal());
if (pwent) {
if (which == OP_GPWNAM)
#endif
}
+
+/* also used for: pp_ggrgid() pp_ggrnam() */
+
PP(pp_ggrent)
{
#ifdef HAS_GROUP
- dVAR; dSP;
+ dSP;
const I32 which = PL_op->op_type;
const struct group *grent;
grent = (const struct group *)getgrnam(name);
}
else if (which == OP_GGRGID) {
+#if Gid_t_sign == 1
+ const Gid_t gid = POPu;
+#elif Gid_t_sign == -1
const Gid_t gid = POPi;
+#else
+# error "Unexpected Gid_t_sign"
+#endif
grent = (const struct group *)getgrgid(gid);
}
else
#endif
EXTEND(SP, 4);
- if (GIMME != G_ARRAY) {
+ if (GIMME_V != G_ARRAY) {
SV * const sv = sv_newmortal();
PUSHs(sv);
PP(pp_getlogin)
{
#ifdef HAS_GETLOGIN
- dVAR; dSP; dTARGET;
+ dSP; dTARGET;
char *tmps;
EXTEND(SP, 1);
if (!(tmps = PerlProc_getlogin()))
PP(pp_syscall)
{
#ifdef HAS_SYSCALL
- dVAR; dSP; dMARK; dORIGMARK; dTARGET;
+ dSP; dMARK; dORIGMARK; dTARGET;
I32 items = SP - MARK;
unsigned long a[20];
I32 i = 0;
#endif /* LOCKF_EMULATE_FLOCK */
/*
- * Local variables:
- * c-indentation-style: bsd
- * c-basic-offset: 4
- * indent-tabs-mode: nil
- * End:
- *
* ex: set ts=8 sts=4 sw=4 et:
*/
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