3 * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
4 * 2004, 2005, 2006, 2007, 2008 by Larry Wall and others
6 * You may distribute under the terms of either the GNU General Public
7 * License or the Artistic License, as specified in the README file.
12 * But only a short way ahead its floor and the walls on either side were
13 * cloven by a great fissure, out of which the red glare came, now leaping
14 * up, now dying down into darkness; and all the while far below there was
15 * a rumour and a trouble as of great engines throbbing and labouring.
17 * [p.945 of _The Lord of the Rings_, VI/iii: "Mount Doom"]
20 /* This file contains system pp ("push/pop") functions that
21 * execute the opcodes that make up a perl program. A typical pp function
22 * expects to find its arguments on the stack, and usually pushes its
23 * results onto the stack, hence the 'pp' terminology. Each OP structure
24 * contains a pointer to the relevant pp_foo() function.
26 * By 'system', we mean ops which interact with the OS, such as pp_open().
30 #define PERL_IN_PP_SYS_C
36 /* Shadow password support for solaris - pdo@cs.umd.edu
37 * Not just Solaris: at least HP-UX, IRIX, Linux.
38 * The API is from SysV.
40 * There are at least two more shadow interfaces,
41 * see the comments in pp_gpwent().
45 /* There is a MAXINT coming from <shadow.h> <- <hpsecurity.h> <- <values.h>
46 * and another MAXINT from "perl.h" <- <sys/param.h>. */
53 # include <sys/wait.h>
57 # include <sys/resource.h>
66 # include <sys/select.h>
70 /* XXX Configure test needed.
71 h_errno might not be a simple 'int', especially for multi-threaded
72 applications, see "extern int errno in perl.h". Creating such
73 a test requires taking into account the differences between
74 compiling multithreaded and singlethreaded ($ccflags et al).
75 HOST_NOT_FOUND is typically defined in <netdb.h>.
77 #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
86 struct passwd *getpwnam (char *);
87 struct passwd *getpwuid (Uid_t);
92 struct passwd *getpwent (void);
93 #elif defined (VMS) && defined (my_getpwent)
94 struct passwd *Perl_my_getpwent (pTHX);
103 struct group *getgrnam (char *);
104 struct group *getgrgid (Gid_t);
108 struct group *getgrent (void);
114 # if defined(_MSC_VER) || defined(__MINGW32__)
115 # include <sys/utime.h>
122 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
125 # define my_chsize PerlLIO_chsize
128 # define my_chsize PerlLIO_chsize
130 I32 my_chsize(int fd, Off_t length);
136 #else /* no flock() */
138 /* fcntl.h might not have been included, even if it exists, because
139 the current Configure only sets I_FCNTL if it's needed to pick up
140 the *_OK constants. Make sure it has been included before testing
141 the fcntl() locking constants. */
142 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
146 # if defined(HAS_FCNTL) && defined(FCNTL_CAN_LOCK)
147 # define FLOCK fcntl_emulate_flock
148 # define FCNTL_EMULATE_FLOCK
149 # else /* no flock() or fcntl(F_SETLK,...) */
151 # define FLOCK lockf_emulate_flock
152 # define LOCKF_EMULATE_FLOCK
154 # endif /* no flock() or fcntl(F_SETLK,...) */
157 static int FLOCK (int, int);
160 * These are the flock() constants. Since this sytems doesn't have
161 * flock(), the values of the constants are probably not available.
175 # endif /* emulating flock() */
177 #endif /* no flock() */
180 static const char zero_but_true[ZBTLEN + 1] = "0 but true";
182 #if defined(I_SYS_ACCESS) && !defined(R_OK)
183 # include <sys/access.h>
186 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
187 # define FD_CLOEXEC 1 /* NeXT needs this */
193 /* Missing protos on LynxOS */
194 void sethostent(int);
195 void endhostent(void);
197 void endnetent(void);
198 void setprotoent(int);
199 void endprotoent(void);
200 void setservent(int);
201 void endservent(void);
204 #undef PERL_EFF_ACCESS /* EFFective uid/gid ACCESS */
206 /* F_OK unused: if stat() cannot find it... */
208 #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
209 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
210 # define PERL_EFF_ACCESS(p,f) (access((p), (f) | EFF_ONLY_OK))
213 #if !defined(PERL_EFF_ACCESS) && defined(HAS_EACCESS)
214 # ifdef I_SYS_SECURITY
215 # include <sys/security.h>
219 # define PERL_EFF_ACCESS(p,f) (eaccess((p), (f), ACC_SELF))
222 # define PERL_EFF_ACCESS(p,f) (eaccess((p), (f)))
226 #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESSX) && defined(ACC_SELF)
228 # define PERL_EFF_ACCESS(p,f) (accessx((p), (f), ACC_SELF))
232 #if !defined(PERL_EFF_ACCESS) && defined(HAS_ACCESS) \
233 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
234 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
237 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
239 const Uid_t ruid = getuid();
240 const Uid_t euid = geteuid();
241 const Gid_t rgid = getgid();
242 const Gid_t egid = getegid();
245 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
246 Perl_croak(aTHX_ "switching effective uid is not implemented");
249 if (setreuid(euid, ruid))
252 if (setresuid(euid, ruid, (Uid_t)-1))
255 Perl_croak(aTHX_ "entering effective uid failed");
258 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
259 Perl_croak(aTHX_ "switching effective gid is not implemented");
262 if (setregid(egid, rgid))
265 if (setresgid(egid, rgid, (Gid_t)-1))
268 Perl_croak(aTHX_ "entering effective gid failed");
271 res = access(path, mode);
274 if (setreuid(ruid, euid))
277 if (setresuid(ruid, euid, (Uid_t)-1))
280 Perl_croak(aTHX_ "leaving effective uid failed");
283 if (setregid(rgid, egid))
286 if (setresgid(rgid, egid, (Gid_t)-1))
289 Perl_croak(aTHX_ "leaving effective gid failed");
293 # define PERL_EFF_ACCESS(p,f) (S_emulate_eaccess(aTHX_ (p), (f)))
300 const char * const tmps = POPpconstx;
301 const I32 gimme = GIMME_V;
302 const char *mode = "r";
305 if (PL_op->op_private & OPpOPEN_IN_RAW)
307 else if (PL_op->op_private & OPpOPEN_IN_CRLF)
309 fp = PerlProc_popen(tmps, mode);
311 const char * const type = Perl_PerlIO_context_layers(aTHX_ NULL);
313 PerlIO_apply_layers(aTHX_ fp,mode,type);
315 if (gimme == G_VOID) {
317 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
320 else if (gimme == G_SCALAR) {
321 ENTER_with_name("backtick");
323 PL_rs = &PL_sv_undef;
324 sv_setpvs(TARG, ""); /* note that this preserves previous buffer */
325 while (sv_gets(TARG, fp, SvCUR(TARG)) != NULL)
327 LEAVE_with_name("backtick");
333 SV * const sv = newSV(79);
334 if (sv_gets(sv, fp, 0) == NULL) {
339 if (SvLEN(sv) - SvCUR(sv) > 20) {
340 SvPV_shrink_to_cur(sv);
345 STATUS_NATIVE_CHILD_SET(PerlProc_pclose(fp));
346 TAINT; /* "I believe that this is not gratuitous!" */
349 STATUS_NATIVE_CHILD_SET(-1);
350 if (gimme == G_SCALAR)
362 /* make a copy of the pattern, to ensure that magic is called once
364 TOPm1s = sv_2mortal(newSVsv(TOPm1s));
366 tryAMAGICunTARGET(iter_amg, -1, (PL_op->op_flags & OPf_SPECIAL));
368 if (PL_op->op_flags & OPf_SPECIAL) {
369 /* call Perl-level glob function instead. Stack args are:
370 * MARK, wildcard, csh_glob context index
371 * and following OPs should be: gv(CORE::GLOBAL::glob), entersub
375 /* stack args are: wildcard, gv(_GEN_n) */
378 /* Note that we only ever get here if File::Glob fails to load
379 * without at the same time croaking, for some reason, or if
380 * perl was built with PERL_EXTERNAL_GLOB */
382 ENTER_with_name("glob");
387 * The external globbing program may use things we can't control,
388 * so for security reasons we must assume the worst.
391 taint_proper(PL_no_security, "glob");
395 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
396 PL_last_in_gv = MUTABLE_GV(*PL_stack_sp--);
398 SAVESPTR(PL_rs); /* This is not permanent, either. */
399 PL_rs = newSVpvs_flags("\000", SVs_TEMP);
402 *SvPVX(PL_rs) = '\n';
406 result = do_readline();
407 LEAVE_with_name("glob");
414 PL_last_in_gv = cGVOP_gv;
415 return do_readline();
425 do_join(TARG, &PL_sv_no, MARK, SP);
429 else if (SP == MARK) {
438 if (SvROK(exsv) || (SvPV_const(exsv, len), len)) {
439 /* well-formed exception supplied */
441 else if (SvROK(ERRSV)) {
444 else if (SvPOK(ERRSV) && SvCUR(ERRSV)) {
445 exsv = sv_mortalcopy(ERRSV);
446 sv_catpvs(exsv, "\t...caught");
449 exsv = newSVpvs_flags("Warning: something's wrong", SVs_TEMP);
451 if (SvROK(exsv) && !PL_warnhook)
452 Perl_warn(aTHX_ "%"SVf, SVfARG(exsv));
463 VMSISH_HUSHED = VMSISH_HUSHED || (PL_op->op_private & OPpHUSH_VMSISH);
465 if (SP - MARK != 1) {
467 do_join(TARG, &PL_sv_no, MARK, SP);
475 if (SvROK(exsv) || (SvPV_const(exsv, len), len)) {
476 /* well-formed exception supplied */
478 else if (SvROK(ERRSV)) {
480 if (sv_isobject(exsv)) {
481 HV * const stash = SvSTASH(SvRV(exsv));
482 GV * const gv = gv_fetchmethod(stash, "PROPAGATE");
484 SV * const file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
485 SV * const line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
492 call_sv(MUTABLE_SV(GvCV(gv)),
493 G_SCALAR|G_EVAL|G_KEEPERR);
494 exsv = sv_mortalcopy(*PL_stack_sp--);
498 else if (SvPOK(ERRSV) && SvCUR(ERRSV)) {
499 exsv = sv_mortalcopy(ERRSV);
500 sv_catpvs(exsv, "\t...propagated");
503 exsv = newSVpvs_flags("Died", SVs_TEMP);
511 Perl_tied_method(pTHX_ const char *const methname, SV **sp, SV *const sv,
512 const MAGIC *const mg, const U32 flags, U32 argc, ...)
514 PERL_ARGS_ASSERT_TIED_METHOD;
516 /* Ensure that our flag bits do not overlap. */
517 assert((TIED_METHOD_MORTALIZE_NOT_NEEDED & G_WANT) == 0);
518 assert((TIED_METHOD_ARGUMENTS_ON_STACK & G_WANT) == 0);
519 assert((TIED_METHOD_SAY & G_WANT) == 0);
522 PUSHs(SvTIED_obj(sv, mg));
523 if (flags & TIED_METHOD_ARGUMENTS_ON_STACK)
526 const U32 mortalize_not_needed
527 = flags & TIED_METHOD_MORTALIZE_NOT_NEEDED;
529 va_start(args, argc);
531 SV *const arg = va_arg(args, SV *);
532 if(mortalize_not_needed)
541 ENTER_with_name("call_tied_method");
542 if (flags & TIED_METHOD_SAY) {
543 /* local $\ = "\n" */
544 SAVEGENERICSV(PL_ors_sv);
545 PL_ors_sv = newSVpvs("\n");
547 call_method(methname, flags & G_WANT);
548 LEAVE_with_name("call_tied_method");
552 #define tied_method0(a,b,c,d) \
553 Perl_tied_method(aTHX_ a,b,c,d,G_SCALAR,0)
554 #define tied_method1(a,b,c,d,e) \
555 Perl_tied_method(aTHX_ a,b,c,d,G_SCALAR,1,e)
556 #define tied_method2(a,b,c,d,e,f) \
557 Perl_tied_method(aTHX_ a,b,c,d,G_SCALAR,2,e,f)
570 GV * const gv = MUTABLE_GV(*++MARK);
572 if (!isGV(gv) && !(SvTYPE(gv) == SVt_PVLV && isGV_with_GP(gv)))
573 DIE(aTHX_ PL_no_usym, "filehandle");
575 if ((io = GvIOp(gv))) {
577 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
580 Perl_ck_warner_d(aTHX_ packWARN2(WARN_IO, WARN_DEPRECATED),
581 "Opening dirhandle %s also as a file",
584 mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar);
586 /* Method's args are same as ours ... */
587 /* ... except handle is replaced by the object */
588 return Perl_tied_method(aTHX_ "OPEN", mark - 1, MUTABLE_SV(io), mg,
589 G_SCALAR | TIED_METHOD_ARGUMENTS_ON_STACK,
601 tmps = SvPV_const(sv, len);
602 ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, NULL, MARK+1, (SP-MARK));
605 PUSHi( (I32)PL_forkprocess );
606 else if (PL_forkprocess == 0) /* we are a new child */
616 GV * const gv = (MAXARG == 0) ? PL_defoutgv : MUTABLE_GV(POPs);
622 IO * const io = GvIO(gv);
624 const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar);
626 return tied_method0("CLOSE", SP, MUTABLE_SV(io), mg);
630 PUSHs(boolSV(do_close(gv, TRUE)));
643 GV * const wgv = MUTABLE_GV(POPs);
644 GV * const rgv = MUTABLE_GV(POPs);
649 if (!isGV_with_GP(rgv) || !isGV_with_GP(wgv))
650 DIE(aTHX_ PL_no_usym, "filehandle");
655 do_close(rgv, FALSE);
657 do_close(wgv, FALSE);
659 if (PerlProc_pipe(fd) < 0)
662 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r"PIPE_OPEN_MODE);
663 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w"PIPE_OPEN_MODE);
664 IoOFP(rstio) = IoIFP(rstio);
665 IoIFP(wstio) = IoOFP(wstio);
666 IoTYPE(rstio) = IoTYPE_RDONLY;
667 IoTYPE(wstio) = IoTYPE_WRONLY;
669 if (!IoIFP(rstio) || !IoOFP(wstio)) {
671 PerlIO_close(IoIFP(rstio));
673 PerlLIO_close(fd[0]);
675 PerlIO_close(IoOFP(wstio));
677 PerlLIO_close(fd[1]);
680 #if defined(HAS_FCNTL) && defined(F_SETFD)
681 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
682 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
689 DIE(aTHX_ PL_no_func, "pipe");
703 gv = MUTABLE_GV(POPs);
707 && (mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar)))
709 return tied_method0("FILENO", SP, MUTABLE_SV(io), mg);
712 if (!io || !(fp = IoIFP(io))) {
713 /* Can't do this because people seem to do things like
714 defined(fileno($foo)) to check whether $foo is a valid fh.
721 PUSHi(PerlIO_fileno(fp));
734 anum = PerlLIO_umask(022);
735 /* setting it to 022 between the two calls to umask avoids
736 * to have a window where the umask is set to 0 -- meaning
737 * that another thread could create world-writeable files. */
739 (void)PerlLIO_umask(anum);
742 anum = PerlLIO_umask(POPi);
743 TAINT_PROPER("umask");
746 /* Only DIE if trying to restrict permissions on "user" (self).
747 * Otherwise it's harmless and more useful to just return undef
748 * since 'group' and 'other' concepts probably don't exist here. */
749 if (MAXARG >= 1 && (POPi & 0700))
750 DIE(aTHX_ "umask not implemented");
751 XPUSHs(&PL_sv_undef);
770 gv = MUTABLE_GV(POPs);
774 const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar);
776 /* This takes advantage of the implementation of the varargs
777 function, which I don't think that the optimiser will be able to
778 figure out. Although, as it's a static function, in theory it
780 return Perl_tied_method(aTHX_ "BINMODE", SP, MUTABLE_SV(io), mg,
781 G_SCALAR|TIED_METHOD_MORTALIZE_NOT_NEEDED,
782 discp ? 1 : 0, discp);
786 if (!io || !(fp = IoIFP(io))) {
788 SETERRNO(EBADF,RMS_IFI);
795 const char *d = NULL;
798 d = SvPV_const(discp, len);
799 mode = mode_from_discipline(d, len);
800 if (PerlIO_binmode(aTHX_ fp, IoTYPE(io), mode, d)) {
801 if (IoOFP(io) && IoOFP(io) != IoIFP(io)) {
802 if (!PerlIO_binmode(aTHX_ IoOFP(io), IoTYPE(io), mode, d)) {
823 const I32 markoff = MARK - PL_stack_base;
824 const char *methname;
825 int how = PERL_MAGIC_tied;
829 switch(SvTYPE(varsv)) {
831 methname = "TIEHASH";
832 HvEITER_set(MUTABLE_HV(varsv), 0);
835 methname = "TIEARRAY";
839 if (isGV_with_GP(varsv)) {
840 if (SvFAKE(varsv) && !(GvFLAGS(varsv) & GVf_TIEWARNED)) {
841 deprecate("tie on a handle without *");
842 GvFLAGS(varsv) |= GVf_TIEWARNED;
844 methname = "TIEHANDLE";
845 how = PERL_MAGIC_tiedscalar;
846 /* For tied filehandles, we apply tiedscalar magic to the IO
847 slot of the GP rather than the GV itself. AMS 20010812 */
849 GvIOp(varsv) = newIO();
850 varsv = MUTABLE_SV(GvIOp(varsv));
855 methname = "TIESCALAR";
856 how = PERL_MAGIC_tiedscalar;
860 if (sv_isobject(*MARK)) { /* Calls GET magic. */
861 ENTER_with_name("call_TIE");
862 PUSHSTACKi(PERLSI_MAGIC);
864 EXTEND(SP,(I32)items);
868 call_method(methname, G_SCALAR);
871 /* Can't use call_method here, else this: fileno FOO; tie @a, "FOO"
872 * will attempt to invoke IO::File::TIEARRAY, with (best case) the
873 * wrong error message, and worse case, supreme action at a distance.
874 * (Sorry obfuscation writers. You're not going to be given this one.)
877 const char *name = SvPV_nomg_const(*MARK, len);
878 stash = gv_stashpvn(name, len, 0);
879 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
880 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%"SVf"\"",
881 methname, SVfARG(SvOK(*MARK) ? *MARK : &PL_sv_no));
883 ENTER_with_name("call_TIE");
884 PUSHSTACKi(PERLSI_MAGIC);
886 EXTEND(SP,(I32)items);
890 call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR);
896 if (sv_isobject(sv)) {
897 sv_unmagic(varsv, how);
898 /* Croak if a self-tie on an aggregate is attempted. */
899 if (varsv == SvRV(sv) &&
900 (SvTYPE(varsv) == SVt_PVAV ||
901 SvTYPE(varsv) == SVt_PVHV))
903 "Self-ties of arrays and hashes are not supported");
904 sv_magic(varsv, (SvRV(sv) == varsv ? NULL : sv), how, NULL, 0);
906 LEAVE_with_name("call_TIE");
907 SP = PL_stack_base + markoff;
917 const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
918 ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar;
920 if (isGV_with_GP(sv)) {
921 if (SvFAKE(sv) && !(GvFLAGS(sv) & GVf_TIEWARNED)) {
922 deprecate("untie on a handle without *");
923 GvFLAGS(sv) |= GVf_TIEWARNED;
925 if (!(sv = MUTABLE_SV(GvIOp(sv))))
929 if ((mg = SvTIED_mg(sv, how))) {
930 SV * const obj = SvRV(SvTIED_obj(sv, mg));
932 GV * const gv = gv_fetchmethod_autoload(SvSTASH(obj), "UNTIE", FALSE);
934 if (gv && isGV(gv) && (cv = GvCV(gv))) {
936 PUSHs(SvTIED_obj(MUTABLE_SV(gv), mg));
937 mXPUSHi(SvREFCNT(obj) - 1);
939 ENTER_with_name("call_UNTIE");
940 call_sv(MUTABLE_SV(cv), G_VOID);
941 LEAVE_with_name("call_UNTIE");
944 else if (mg && SvREFCNT(obj) > 1) {
945 Perl_ck_warner(aTHX_ packWARN(WARN_UNTIE),
946 "untie attempted while %"UVuf" inner references still exist",
947 (UV)SvREFCNT(obj) - 1 ) ;
951 sv_unmagic(sv, how) ;
961 const char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
962 ? PERL_MAGIC_tied : PERL_MAGIC_tiedscalar;
964 if (isGV_with_GP(sv)) {
965 if (SvFAKE(sv) && !(GvFLAGS(sv) & GVf_TIEWARNED)) {
966 deprecate("tied on a handle without *");
967 GvFLAGS(sv) |= GVf_TIEWARNED;
969 if (!(sv = MUTABLE_SV(GvIOp(sv))))
973 if ((mg = SvTIED_mg(sv, how))) {
974 SV *osv = SvTIED_obj(sv, mg);
975 if (osv == mg->mg_obj)
976 osv = sv_mortalcopy(osv);
990 HV * const hv = MUTABLE_HV(POPs);
991 SV * const sv = newSVpvs_flags("AnyDBM_File", SVs_TEMP);
992 stash = gv_stashsv(sv, 0);
993 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
995 require_pv("AnyDBM_File.pm");
997 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH")))
998 DIE(aTHX_ "No dbm on this machine");
1008 mPUSHu(O_RDWR|O_CREAT);
1013 call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR);
1016 if (!sv_isobject(TOPs)) {
1024 call_sv(MUTABLE_SV(GvCV(gv)), G_SCALAR);
1028 if (sv_isobject(TOPs)) {
1029 sv_unmagic(MUTABLE_SV(hv), PERL_MAGIC_tied);
1030 sv_magic(MUTABLE_SV(hv), TOPs, PERL_MAGIC_tied, NULL, 0);
1047 struct timeval timebuf;
1048 struct timeval *tbuf = &timebuf;
1051 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1056 # if BYTEORDER & 0xf0000
1057 # define ORDERBYTE (0x88888888 - BYTEORDER)
1059 # define ORDERBYTE (0x4444 - BYTEORDER)
1065 for (i = 1; i <= 3; i++) {
1066 SV * const sv = SP[i];
1069 if (SvREADONLY(sv)) {
1071 sv_force_normal_flags(sv, 0);
1072 if (SvREADONLY(sv) && !(SvPOK(sv) && SvCUR(sv) == 0))
1073 Perl_croak_no_modify(aTHX);
1076 Perl_ck_warner(aTHX_ packWARN(WARN_MISC), "Non-string passed as bitmask");
1077 SvPV_force_nolen(sv); /* force string conversion */
1084 /* little endians can use vecs directly */
1085 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1092 masksize = NFDBITS / NBBY;
1094 masksize = sizeof(long); /* documented int, everyone seems to use long */
1096 Zero(&fd_sets[0], 4, char*);
1099 # if SELECT_MIN_BITS == 1
1100 growsize = sizeof(fd_set);
1102 # if defined(__GLIBC__) && defined(__FD_SETSIZE)
1103 # undef SELECT_MIN_BITS
1104 # define SELECT_MIN_BITS __FD_SETSIZE
1106 /* If SELECT_MIN_BITS is greater than one we most probably will want
1107 * to align the sizes with SELECT_MIN_BITS/8 because for example
1108 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
1109 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
1110 * on (sets/tests/clears bits) is 32 bits. */
1111 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
1119 timebuf.tv_sec = (long)value;
1120 value -= (NV)timebuf.tv_sec;
1121 timebuf.tv_usec = (long)(value * 1000000.0);
1126 for (i = 1; i <= 3; i++) {
1128 if (!SvOK(sv) || SvCUR(sv) == 0) {
1135 Sv_Grow(sv, growsize);
1139 while (++j <= growsize) {
1143 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1145 Newx(fd_sets[i], growsize, char);
1146 for (offset = 0; offset < growsize; offset += masksize) {
1147 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1148 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1151 fd_sets[i] = SvPVX(sv);
1155 #ifdef PERL_IRIX5_SELECT_TIMEVAL_VOID_CAST
1156 /* Can't make just the (void*) conditional because that would be
1157 * cpp #if within cpp macro, and not all compilers like that. */
1158 nfound = PerlSock_select(
1160 (Select_fd_set_t) fd_sets[1],
1161 (Select_fd_set_t) fd_sets[2],
1162 (Select_fd_set_t) fd_sets[3],
1163 (void*) tbuf); /* Workaround for compiler bug. */
1165 nfound = PerlSock_select(
1167 (Select_fd_set_t) fd_sets[1],
1168 (Select_fd_set_t) fd_sets[2],
1169 (Select_fd_set_t) fd_sets[3],
1172 for (i = 1; i <= 3; i++) {
1175 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1177 for (offset = 0; offset < growsize; offset += masksize) {
1178 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1179 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1181 Safefree(fd_sets[i]);
1188 if (GIMME == G_ARRAY && tbuf) {
1189 value = (NV)(timebuf.tv_sec) +
1190 (NV)(timebuf.tv_usec) / 1000000.0;
1195 DIE(aTHX_ "select not implemented");
1200 =for apidoc setdefout
1202 Sets PL_defoutgv, the default file handle for output, to the passed in
1203 typeglob. As PL_defoutgv "owns" a reference on its typeglob, the reference
1204 count of the passed in typeglob is increased by one, and the reference count
1205 of the typeglob that PL_defoutgv points to is decreased by one.
1211 Perl_setdefout(pTHX_ GV *gv)
1214 SvREFCNT_inc_simple_void(gv);
1215 SvREFCNT_dec(PL_defoutgv);
1223 GV * const newdefout = (PL_op->op_private > 0) ? (MUTABLE_GV(POPs)) : NULL;
1224 GV * egv = GvEGVx(PL_defoutgv);
1228 hv = isGV_with_GP(egv) ? GvSTASH(egv) : NULL;
1230 XPUSHs(&PL_sv_undef);
1232 GV * const * const gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1233 if (gvp && *gvp == egv) {
1234 gv_efullname4(TARG, PL_defoutgv, NULL, TRUE);
1238 mXPUSHs(newRV(MUTABLE_SV(egv)));
1243 if (!GvIO(newdefout))
1244 gv_IOadd(newdefout);
1245 setdefout(newdefout);
1254 GV * const gv = (MAXARG==0) ? PL_stdingv : MUTABLE_GV(POPs);
1255 IO *const io = GvIO(gv);
1261 const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar);
1263 const U32 gimme = GIMME_V;
1264 Perl_tied_method(aTHX_ "GETC", SP, MUTABLE_SV(io), mg, gimme, 0);
1265 if (gimme == G_SCALAR) {
1267 SvSetMagicSV_nosteal(TARG, TOPs);
1272 if (!gv || do_eof(gv)) { /* make sure we have fp with something */
1273 if (!io || (!IoIFP(io) && IoTYPE(io) != IoTYPE_WRONLY))
1275 SETERRNO(EBADF,RMS_IFI);
1279 sv_setpvs(TARG, " ");
1280 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1281 if (PerlIO_isutf8(IoIFP(GvIOp(gv)))) {
1282 /* Find out how many bytes the char needs */
1283 Size_t len = UTF8SKIP(SvPVX_const(TARG));
1286 len = PerlIO_read(IoIFP(GvIOp(gv)),SvPVX(TARG)+1,len-1);
1287 SvCUR_set(TARG,1+len);
1296 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1299 register PERL_CONTEXT *cx;
1300 const I32 gimme = GIMME_V;
1302 PERL_ARGS_ASSERT_DOFORM;
1304 if (cv && CvCLONE(cv))
1305 cv = MUTABLE_CV(sv_2mortal(MUTABLE_SV(cv_clone(cv))));
1310 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1311 PUSHFORMAT(cx, retop);
1313 PAD_SET_CUR_NOSAVE(CvPADLIST(cv), 1);
1315 setdefout(gv); /* locally select filehandle so $% et al work */
1334 gv = MUTABLE_GV(POPs);
1348 goto not_a_format_reference;
1353 tmpsv = sv_newmortal();
1354 gv_efullname4(tmpsv, fgv, NULL, FALSE);
1355 name = SvPV_nolen_const(tmpsv);
1357 DIE(aTHX_ "Undefined format \"%s\" called", name);
1359 not_a_format_reference:
1360 DIE(aTHX_ "Not a format reference");
1362 IoFLAGS(io) &= ~IOf_DIDTOP;
1363 return doform(cv,gv,PL_op->op_next);
1369 GV * const gv = cxstack[cxstack_ix].blk_format.gv;
1370 register IO * const io = GvIOp(gv);
1375 register PERL_CONTEXT *cx;
1378 if (!io || !(ofp = IoOFP(io)))
1381 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1382 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1384 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1385 PL_formtarget != PL_toptarget)
1389 if (!IoTOP_GV(io)) {
1392 if (!IoTOP_NAME(io)) {
1394 if (!IoFMT_NAME(io))
1395 IoFMT_NAME(io) = savepv(GvNAME(gv));
1396 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", GvNAME(gv)));
1397 topgv = gv_fetchsv(topname, 0, SVt_PVFM);
1398 if ((topgv && GvFORM(topgv)) ||
1399 !gv_fetchpvs("top", GV_NOTQUAL, SVt_PVFM))
1400 IoTOP_NAME(io) = savesvpv(topname);
1402 IoTOP_NAME(io) = savepvs("top");
1404 topgv = gv_fetchpv(IoTOP_NAME(io), 0, SVt_PVFM);
1405 if (!topgv || !GvFORM(topgv)) {
1406 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1409 IoTOP_GV(io) = topgv;
1411 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1412 I32 lines = IoLINES_LEFT(io);
1413 const char *s = SvPVX_const(PL_formtarget);
1414 if (lines <= 0) /* Yow, header didn't even fit!!! */
1416 while (lines-- > 0) {
1417 s = strchr(s, '\n');
1423 const STRLEN save = SvCUR(PL_formtarget);
1424 SvCUR_set(PL_formtarget, s - SvPVX_const(PL_formtarget));
1425 do_print(PL_formtarget, ofp);
1426 SvCUR_set(PL_formtarget, save);
1427 sv_chop(PL_formtarget, s);
1428 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1431 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1432 do_print(PL_formfeed, ofp);
1433 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1435 PL_formtarget = PL_toptarget;
1436 IoFLAGS(io) |= IOf_DIDTOP;
1439 DIE(aTHX_ "bad top format reference");
1442 SV * const sv = sv_newmortal();
1444 gv_efullname4(sv, fgv, NULL, FALSE);
1445 name = SvPV_nolen_const(sv);
1447 DIE(aTHX_ "Undefined top format \"%s\" called", name);
1449 DIE(aTHX_ "Undefined top format called");
1451 return doform(cv, gv, PL_op);
1455 POPBLOCK(cx,PL_curpm);
1457 retop = cx->blk_sub.retop;
1463 report_wrongway_fh(gv, '<');
1469 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1470 Perl_ck_warner(aTHX_ packWARN(WARN_IO), "page overflow");
1472 if (!do_print(PL_formtarget, fp))
1475 FmLINES(PL_formtarget) = 0;
1476 SvCUR_set(PL_formtarget, 0);
1477 *SvEND(PL_formtarget) = '\0';
1478 if (IoFLAGS(io) & IOf_FLUSH)
1479 (void)PerlIO_flush(fp);
1484 PL_formtarget = PL_bodytarget;
1486 PERL_UNUSED_VAR(newsp);
1487 PERL_UNUSED_VAR(gimme);
1493 dVAR; dSP; dMARK; dORIGMARK;
1498 = (PL_op->op_flags & OPf_STACKED) ? MUTABLE_GV(*++MARK) : PL_defoutgv;
1499 IO *const io = GvIO(gv);
1502 const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar);
1504 if (MARK == ORIGMARK) {
1507 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1510 return Perl_tied_method(aTHX_ "PRINTF", mark - 1, MUTABLE_SV(io),
1512 G_SCALAR | TIED_METHOD_ARGUMENTS_ON_STACK,
1520 SETERRNO(EBADF,RMS_IFI);
1523 else if (!(fp = IoOFP(io))) {
1525 report_wrongway_fh(gv, '<');
1526 else if (ckWARN(WARN_CLOSED))
1528 SETERRNO(EBADF,IoIFP(io)?RMS_FAC:RMS_IFI);
1532 do_sprintf(sv, SP - MARK, MARK + 1);
1533 if (!do_print(sv, fp))
1536 if (IoFLAGS(io) & IOf_FLUSH)
1537 if (PerlIO_flush(fp) == EOF)
1548 PUSHs(&PL_sv_undef);
1556 const int perm = (MAXARG > 3) ? POPi : 0666;
1557 const int mode = POPi;
1558 SV * const sv = POPs;
1559 GV * const gv = MUTABLE_GV(POPs);
1562 /* Need TIEHANDLE method ? */
1563 const char * const tmps = SvPV_const(sv, len);
1564 /* FIXME? do_open should do const */
1565 if (do_open(gv, tmps, len, TRUE, mode, perm, NULL)) {
1566 IoLINES(GvIOp(gv)) = 0;
1570 PUSHs(&PL_sv_undef);
1577 dVAR; dSP; dMARK; dORIGMARK; dTARGET;
1583 Sock_size_t bufsize;
1591 bool charstart = FALSE;
1592 STRLEN charskip = 0;
1595 GV * const gv = MUTABLE_GV(*++MARK);
1596 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD)
1597 && gv && (io = GvIO(gv)) )
1599 const MAGIC *const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar);
1601 return Perl_tied_method(aTHX_ "READ", mark - 1, MUTABLE_SV(io), mg,
1602 G_SCALAR | TIED_METHOD_ARGUMENTS_ON_STACK,
1611 sv_setpvs(bufsv, "");
1612 length = SvIVx(*++MARK);
1615 offset = SvIVx(*++MARK);
1619 if (!io || !IoIFP(io)) {
1621 SETERRNO(EBADF,RMS_IFI);
1624 if ((fp_utf8 = PerlIO_isutf8(IoIFP(io))) && !IN_BYTES) {
1625 buffer = SvPVutf8_force(bufsv, blen);
1626 /* UTF-8 may not have been set if they are all low bytes */
1631 buffer = SvPV_force(bufsv, blen);
1632 buffer_utf8 = !IN_BYTES && SvUTF8(bufsv);
1635 DIE(aTHX_ "Negative length");
1643 if (PL_op->op_type == OP_RECV) {
1644 char namebuf[MAXPATHLEN];
1645 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__)
1646 bufsize = sizeof (struct sockaddr_in);
1648 bufsize = sizeof namebuf;
1650 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1654 buffer = SvGROW(bufsv, (STRLEN)(length+1));
1655 /* 'offset' means 'flags' here */
1656 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1657 (struct sockaddr *)namebuf, &bufsize);
1660 /* MSG_TRUNC can give oversized count; quietly lose it */
1664 /* Bogus return without padding */
1665 bufsize = sizeof (struct sockaddr_in);
1667 SvCUR_set(bufsv, count);
1668 *SvEND(bufsv) = '\0';
1669 (void)SvPOK_only(bufsv);
1673 /* This should not be marked tainted if the fp is marked clean */
1674 if (!(IoFLAGS(io) & IOf_UNTAINT))
1675 SvTAINTED_on(bufsv);
1677 sv_setpvn(TARG, namebuf, bufsize);
1682 if (DO_UTF8(bufsv)) {
1683 /* offset adjust in characters not bytes */
1684 blen = sv_len_utf8(bufsv);
1687 if (-offset > (int)blen)
1688 DIE(aTHX_ "Offset outside string");
1691 if (DO_UTF8(bufsv)) {
1692 /* convert offset-as-chars to offset-as-bytes */
1693 if (offset >= (int)blen)
1694 offset += SvCUR(bufsv) - blen;
1696 offset = utf8_hop((U8 *)buffer,offset) - (U8 *) buffer;
1699 bufsize = SvCUR(bufsv);
1700 /* Allocating length + offset + 1 isn't perfect in the case of reading
1701 bytes from a byte file handle into a UTF8 buffer, but it won't harm us
1703 (should be 2 * length + offset + 1, or possibly something longer if
1704 PL_encoding is true) */
1705 buffer = SvGROW(bufsv, (STRLEN)(length+offset+1));
1706 if (offset > 0 && (Sock_size_t)offset > bufsize) { /* Zero any newly allocated space */
1707 Zero(buffer+bufsize, offset-bufsize, char);
1709 buffer = buffer + offset;
1711 read_target = bufsv;
1713 /* Best to read the bytes into a new SV, upgrade that to UTF8, then
1714 concatenate it to the current buffer. */
1716 /* Truncate the existing buffer to the start of where we will be
1718 SvCUR_set(bufsv, offset);
1720 read_target = sv_newmortal();
1721 SvUPGRADE(read_target, SVt_PV);
1722 buffer = SvGROW(read_target, (STRLEN)(length + 1));
1725 if (PL_op->op_type == OP_SYSREAD) {
1726 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1727 if (IoTYPE(io) == IoTYPE_SOCKET) {
1728 count = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1734 count = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1739 #ifdef HAS_SOCKET__bad_code_maybe
1740 if (IoTYPE(io) == IoTYPE_SOCKET) {
1741 char namebuf[MAXPATHLEN];
1742 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1743 bufsize = sizeof (struct sockaddr_in);
1745 bufsize = sizeof namebuf;
1747 count = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, 0,
1748 (struct sockaddr *)namebuf, &bufsize);
1753 count = PerlIO_read(IoIFP(io), buffer, length);
1754 /* PerlIO_read() - like fread() returns 0 on both error and EOF */
1755 if (count == 0 && PerlIO_error(IoIFP(io)))
1759 if (IoTYPE(io) == IoTYPE_WRONLY)
1760 report_wrongway_fh(gv, '>');
1763 SvCUR_set(read_target, count+(buffer - SvPVX_const(read_target)));
1764 *SvEND(read_target) = '\0';
1765 (void)SvPOK_only(read_target);
1766 if (fp_utf8 && !IN_BYTES) {
1767 /* Look at utf8 we got back and count the characters */
1768 const char *bend = buffer + count;
1769 while (buffer < bend) {
1771 skip = UTF8SKIP(buffer);
1774 if (buffer - charskip + skip > bend) {
1775 /* partial character - try for rest of it */
1776 length = skip - (bend-buffer);
1777 offset = bend - SvPVX_const(bufsv);
1789 /* If we have not 'got' the number of _characters_ we 'wanted' get some more
1790 provided amount read (count) was what was requested (length)
1792 if (got < wanted && count == length) {
1793 length = wanted - got;
1794 offset = bend - SvPVX_const(bufsv);
1797 /* return value is character count */
1801 else if (buffer_utf8) {
1802 /* Let svcatsv upgrade the bytes we read in to utf8.
1803 The buffer is a mortal so will be freed soon. */
1804 sv_catsv_nomg(bufsv, read_target);
1807 /* This should not be marked tainted if the fp is marked clean */
1808 if (!(IoFLAGS(io) & IOf_UNTAINT))
1809 SvTAINTED_on(bufsv);
1821 dVAR; dSP; dMARK; dORIGMARK; dTARGET;
1826 STRLEN orig_blen_bytes;
1827 const int op_type = PL_op->op_type;
1830 GV *const gv = MUTABLE_GV(*++MARK);
1831 IO *const io = GvIO(gv);
1833 if (op_type == OP_SYSWRITE && io) {
1834 const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar);
1836 if (MARK == SP - 1) {
1838 mXPUSHi(sv_len(sv));
1842 return Perl_tied_method(aTHX_ "WRITE", mark - 1, MUTABLE_SV(io), mg,
1843 G_SCALAR | TIED_METHOD_ARGUMENTS_ON_STACK,
1853 if (!io || !IoIFP(io) || IoTYPE(io) == IoTYPE_RDONLY) {
1855 if (io && IoIFP(io))
1856 report_wrongway_fh(gv, '<');
1859 SETERRNO(EBADF,RMS_IFI);
1863 /* Do this first to trigger any overloading. */
1864 buffer = SvPV_const(bufsv, blen);
1865 orig_blen_bytes = blen;
1866 doing_utf8 = DO_UTF8(bufsv);
1868 if (PerlIO_isutf8(IoIFP(io))) {
1869 if (!SvUTF8(bufsv)) {
1870 /* We don't modify the original scalar. */
1871 tmpbuf = bytes_to_utf8((const U8*) buffer, &blen);
1872 buffer = (char *) tmpbuf;
1876 else if (doing_utf8) {
1877 STRLEN tmplen = blen;
1878 U8 * const result = bytes_from_utf8((const U8*) buffer, &tmplen, &doing_utf8);
1881 buffer = (char *) tmpbuf;
1885 assert((char *)result == buffer);
1886 Perl_croak(aTHX_ "Wide character in %s", OP_DESC(PL_op));
1891 if (op_type == OP_SEND) {
1892 const int flags = SvIVx(*++MARK);
1895 char * const sockbuf = SvPVx(*++MARK, mlen);
1896 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1897 flags, (struct sockaddr *)sockbuf, mlen);
1901 = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, flags);
1907 Size_t length = 0; /* This length is in characters. */
1913 /* The SV is bytes, and we've had to upgrade it. */
1914 blen_chars = orig_blen_bytes;
1916 /* The SV really is UTF-8. */
1917 if (SvGMAGICAL(bufsv) || SvAMAGIC(bufsv)) {
1918 /* Don't call sv_len_utf8 again because it will call magic
1919 or overloading a second time, and we might get back a
1920 different result. */
1921 blen_chars = utf8_length((U8*)buffer, (U8*)buffer + blen);
1923 /* It's safe, and it may well be cached. */
1924 blen_chars = sv_len_utf8(bufsv);
1932 length = blen_chars;
1934 #if Size_t_size > IVSIZE
1935 length = (Size_t)SvNVx(*++MARK);
1937 length = (Size_t)SvIVx(*++MARK);
1939 if ((SSize_t)length < 0) {
1941 DIE(aTHX_ "Negative length");
1946 offset = SvIVx(*++MARK);
1948 if (-offset > (IV)blen_chars) {
1950 DIE(aTHX_ "Offset outside string");
1952 offset += blen_chars;
1953 } else if (offset > (IV)blen_chars) {
1955 DIE(aTHX_ "Offset outside string");
1959 if (length > blen_chars - offset)
1960 length = blen_chars - offset;
1962 /* Here we convert length from characters to bytes. */
1963 if (tmpbuf || SvGMAGICAL(bufsv) || SvAMAGIC(bufsv)) {
1964 /* Either we had to convert the SV, or the SV is magical, or
1965 the SV has overloading, in which case we can't or mustn't
1966 or mustn't call it again. */
1968 buffer = (const char*)utf8_hop((const U8 *)buffer, offset);
1969 length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
1971 /* It's a real UTF-8 SV, and it's not going to change under
1972 us. Take advantage of any cache. */
1974 I32 len_I32 = length;
1976 /* Convert the start and end character positions to bytes.
1977 Remember that the second argument to sv_pos_u2b is relative
1979 sv_pos_u2b(bufsv, &start, &len_I32);
1986 buffer = buffer+offset;
1988 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1989 if (IoTYPE(io) == IoTYPE_SOCKET) {
1990 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1996 /* See the note at doio.c:do_print about filesize limits. --jhi */
1997 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
2006 retval = utf8_length((U8*)buffer, (U8*)buffer + retval);
2009 #if Size_t_size > IVSIZE
2029 * in Perl 5.12 and later, the additional parameter is a bitmask:
2032 * 2 = eof() <- ARGV magic
2034 * I'll rely on the compiler's trace flow analysis to decide whether to
2035 * actually assign this out here, or punt it into the only block where it is
2036 * used. Doing it out here is DRY on the condition logic.
2041 gv = PL_last_in_gv = MUTABLE_GV(POPs); /* eof(FH) */
2047 if (PL_op->op_flags & OPf_SPECIAL) {
2048 gv = PL_last_in_gv = GvEGVx(PL_argvgv); /* eof() - ARGV magic */
2052 gv = PL_last_in_gv; /* eof */
2060 if ((io = GvIO(gv)) && (mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar))) {
2061 return tied_method1("EOF", SP, MUTABLE_SV(io), mg, newSVuv(which));
2064 if (!MAXARG && (PL_op->op_flags & OPf_SPECIAL)) { /* eof() */
2065 if (io && !IoIFP(io)) {
2066 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
2068 IoFLAGS(io) &= ~IOf_START;
2069 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, NULL);
2071 sv_setpvs(GvSV(gv), "-");
2073 GvSV(gv) = newSVpvs("-");
2074 SvSETMAGIC(GvSV(gv));
2076 else if (!nextargv(gv))
2081 PUSHs(boolSV(do_eof(gv)));
2092 PL_last_in_gv = MUTABLE_GV(POPs);
2099 const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar);
2101 return tied_method0("TELL", SP, MUTABLE_SV(io), mg);
2106 SETERRNO(EBADF,RMS_IFI);
2111 #if LSEEKSIZE > IVSIZE
2112 PUSHn( do_tell(gv) );
2114 PUSHi( do_tell(gv) );
2122 const int whence = POPi;
2123 #if LSEEKSIZE > IVSIZE
2124 const Off_t offset = (Off_t)SvNVx(POPs);
2126 const Off_t offset = (Off_t)SvIVx(POPs);
2129 GV * const gv = PL_last_in_gv = MUTABLE_GV(POPs);
2130 IO *const io = GvIO(gv);
2133 const MAGIC * const mg = SvTIED_mg((const SV *)io, PERL_MAGIC_tiedscalar);
2135 #if LSEEKSIZE > IVSIZE
2136 SV *const offset_sv = newSVnv((NV) offset);
2138 SV *const offset_sv = newSViv(offset);
2141 return tied_method2("SEEK", SP, MUTABLE_SV(io), mg, offset_sv,
2146 if (PL_op->op_type == OP_SEEK)
2147 PUSHs(boolSV(do_seek(gv, offset, whence)));
2149 const Off_t sought = do_sysseek(gv, offset, whence);
2151 PUSHs(&PL_sv_undef);
2153 SV* const sv = sought ?
2154 #if LSEEKSIZE > IVSIZE
2159 : newSVpvn(zero_but_true, ZBTLEN);
2170 /* There seems to be no consensus on the length type of truncate()
2171 * and ftruncate(), both off_t and size_t have supporters. In
2172 * general one would think that when using large files, off_t is
2173 * at least as wide as size_t, so using an off_t should be okay. */
2174 /* XXX Configure probe for the length type of *truncate() needed XXX */
2177 #if Off_t_size > IVSIZE
2182 /* Checking for length < 0 is problematic as the type might or
2183 * might not be signed: if it is not, clever compilers will moan. */
2184 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
2191 if (PL_op->op_flags & OPf_SPECIAL) {
2192 tmpgv = gv_fetchsv(POPs, 0, SVt_PVIO);
2201 TAINT_PROPER("truncate");
2202 if (!(fp = IoIFP(io))) {
2208 if (ftruncate(PerlIO_fileno(fp), len) < 0)
2210 if (my_chsize(PerlIO_fileno(fp), len) < 0)
2217 SV * const sv = POPs;
2220 if (isGV_with_GP(sv)) {
2221 tmpgv = MUTABLE_GV(sv); /* *main::FRED for example */
2222 goto do_ftruncate_gv;
2224 else if (SvROK(sv) && isGV_with_GP(SvRV(sv))) {
2225 tmpgv = MUTABLE_GV(SvRV(sv)); /* \*main::FRED for example */
2226 goto do_ftruncate_gv;
2228 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) {
2229 io = MUTABLE_IO(SvRV(sv)); /* *main::FRED{IO} for example */
2230 goto do_ftruncate_io;
2233 name = SvPV_nolen_const(sv);
2234 TAINT_PROPER("truncate");
2236 if (truncate(name, len) < 0)
2240 const int tmpfd = PerlLIO_open(name, O_RDWR);
2245 if (my_chsize(tmpfd, len) < 0)
2247 PerlLIO_close(tmpfd);
2256 SETERRNO(EBADF,RMS_IFI);
2264 SV * const argsv = POPs;
2265 const unsigned int func = POPu;
2266 const int optype = PL_op->op_type;
2267 GV * const gv = MUTABLE_GV(POPs);
2268 IO * const io = gv ? GvIOn(gv) : NULL;
2272 if (!io || !argsv || !IoIFP(io)) {
2274 SETERRNO(EBADF,RMS_IFI); /* well, sort of... */
2278 if (SvPOK(argsv) || !SvNIOK(argsv)) {
2281 s = SvPV_force(argsv, len);
2282 need = IOCPARM_LEN(func);
2284 s = Sv_Grow(argsv, need + 1);
2285 SvCUR_set(argsv, need);
2288 s[SvCUR(argsv)] = 17; /* a little sanity check here */
2291 retval = SvIV(argsv);
2292 s = INT2PTR(char*,retval); /* ouch */
2295 TAINT_PROPER(PL_op_desc[optype]);
2297 if (optype == OP_IOCTL)
2299 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
2301 DIE(aTHX_ "ioctl is not implemented");
2305 DIE(aTHX_ "fcntl is not implemented");
2307 #if defined(OS2) && defined(__EMX__)
2308 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
2310 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
2314 #if defined(HAS_IOCTL) || defined(HAS_FCNTL)
2316 if (s[SvCUR(argsv)] != 17)
2317 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
2319 s[SvCUR(argsv)] = 0; /* put our null back */
2320 SvSETMAGIC(argsv); /* Assume it has changed */
2329 PUSHp(zero_but_true, ZBTLEN);
2340 const int argtype = POPi;
2341 GV * const gv = (MAXARG == 0) ? PL_last_in_gv : MUTABLE_GV(POPs);
2342 IO *const io = GvIO(gv);
2343 PerlIO *const fp = io ? IoIFP(io) : NULL;
2345 /* XXX Looks to me like io is always NULL at this point */
2347 (void)PerlIO_flush(fp);
2348 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2353 SETERRNO(EBADF,RMS_IFI);
2358 DIE(aTHX_ PL_no_func, "flock()");
2369 const int protocol = POPi;
2370 const int type = POPi;
2371 const int domain = POPi;
2372 GV * const gv = MUTABLE_GV(POPs);
2373 register IO * const io = gv ? GvIOn(gv) : NULL;
2378 if (io && IoIFP(io))
2379 do_close(gv, FALSE);
2380 SETERRNO(EBADF,LIB_INVARG);
2385 do_close(gv, FALSE);
2387 TAINT_PROPER("socket");
2388 fd = PerlSock_socket(domain, type, protocol);
2391 IoIFP(io) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE); /* stdio gets confused about sockets */
2392 IoOFP(io) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE);
2393 IoTYPE(io) = IoTYPE_SOCKET;
2394 if (!IoIFP(io) || !IoOFP(io)) {
2395 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2396 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2397 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2400 #if defined(HAS_FCNTL) && defined(F_SETFD)
2401 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2405 setbuf( IoIFP(io), NULL); /* EPOC gets confused about sockets */
2414 #if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET))
2416 const int protocol = POPi;
2417 const int type = POPi;
2418 const int domain = POPi;
2419 GV * const gv2 = MUTABLE_GV(POPs);
2420 GV * const gv1 = MUTABLE_GV(POPs);
2421 register IO * const io1 = gv1 ? GvIOn(gv1) : NULL;
2422 register IO * const io2 = gv2 ? GvIOn(gv2) : NULL;
2426 report_evil_fh(gv1);
2428 report_evil_fh(gv2);
2430 if (io1 && IoIFP(io1))
2431 do_close(gv1, FALSE);
2432 if (io2 && IoIFP(io2))
2433 do_close(gv2, FALSE);
2438 TAINT_PROPER("socketpair");
2439 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2441 IoIFP(io1) = PerlIO_fdopen(fd[0], "r"SOCKET_OPEN_MODE);
2442 IoOFP(io1) = PerlIO_fdopen(fd[0], "w"SOCKET_OPEN_MODE);
2443 IoTYPE(io1) = IoTYPE_SOCKET;
2444 IoIFP(io2) = PerlIO_fdopen(fd[1], "r"SOCKET_OPEN_MODE);
2445 IoOFP(io2) = PerlIO_fdopen(fd[1], "w"SOCKET_OPEN_MODE);
2446 IoTYPE(io2) = IoTYPE_SOCKET;
2447 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2448 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2449 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2450 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2451 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2452 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2453 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2456 #if defined(HAS_FCNTL) && defined(F_SETFD)
2457 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2458 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2463 DIE(aTHX_ PL_no_sock_func, "socketpair");
2472 SV * const addrsv = POPs;
2473 /* OK, so on what platform does bind modify addr? */
2475 GV * const gv = MUTABLE_GV(POPs);
2476 register IO * const io = GvIOn(gv);
2478 const int op_type = PL_op->op_type;
2480 if (!io || !IoIFP(io))
2483 addr = SvPV_const(addrsv, len);
2484 TAINT_PROPER(PL_op_desc[op_type]);
2485 if ((op_type == OP_BIND
2486 ? PerlSock_bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len)
2487 : PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len))
2495 SETERRNO(EBADF,SS_IVCHAN);
2502 const int backlog = POPi;
2503 GV * const gv = MUTABLE_GV(POPs);
2504 register IO * const io = gv ? GvIOn(gv) : NULL;
2506 if (!io || !IoIFP(io))
2509 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2516 SETERRNO(EBADF,SS_IVCHAN);
2525 char namebuf[MAXPATHLEN];
2526 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE) || defined(__QNXNTO__)
2527 Sock_size_t len = sizeof (struct sockaddr_in);
2529 Sock_size_t len = sizeof namebuf;
2531 GV * const ggv = MUTABLE_GV(POPs);
2532 GV * const ngv = MUTABLE_GV(POPs);
2541 if (!gstio || !IoIFP(gstio))
2545 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *) namebuf, &len);
2548 /* Some platforms indicate zero length when an AF_UNIX client is
2549 * not bound. Simulate a non-zero-length sockaddr structure in
2551 namebuf[0] = 0; /* sun_len */
2552 namebuf[1] = AF_UNIX; /* sun_family */
2560 do_close(ngv, FALSE);
2561 IoIFP(nstio) = PerlIO_fdopen(fd, "r"SOCKET_OPEN_MODE);
2562 IoOFP(nstio) = PerlIO_fdopen(fd, "w"SOCKET_OPEN_MODE);
2563 IoTYPE(nstio) = IoTYPE_SOCKET;
2564 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2565 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2566 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2567 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2570 #if defined(HAS_FCNTL) && defined(F_SETFD)
2571 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2575 len = sizeof (struct sockaddr_in); /* EPOC somehow truncates info */
2576 setbuf( IoIFP(nstio), NULL); /* EPOC gets confused about sockets */
2578 #ifdef __SCO_VERSION__
2579 len = sizeof (struct sockaddr_in); /* OpenUNIX 8 somehow truncates info */
2582 PUSHp(namebuf, len);
2586 report_evil_fh(ggv);
2587 SETERRNO(EBADF,SS_IVCHAN);
2597 const int how = POPi;
2598 GV * const gv = MUTABLE_GV(POPs);
2599 register IO * const io = GvIOn(gv);
2601 if (!io || !IoIFP(io))
2604 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2609 SETERRNO(EBADF,SS_IVCHAN);
2616 const int optype = PL_op->op_type;
2617 SV * const sv = (optype == OP_GSOCKOPT) ? sv_2mortal(newSV(257)) : POPs;
2618 const unsigned int optname = (unsigned int) POPi;
2619 const unsigned int lvl = (unsigned int) POPi;
2620 GV * const gv = MUTABLE_GV(POPs);
2621 register IO * const io = GvIOn(gv);
2625 if (!io || !IoIFP(io))
2628 fd = PerlIO_fileno(IoIFP(io));
2632 (void)SvPOK_only(sv);
2636 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2643 #if defined(__SYMBIAN32__)
2644 # define SETSOCKOPT_OPTION_VALUE_T void *
2646 # define SETSOCKOPT_OPTION_VALUE_T const char *
2648 /* XXX TODO: We need to have a proper type (a Configure probe,
2649 * etc.) for what the C headers think of the third argument of
2650 * setsockopt(), the option_value read-only buffer: is it
2651 * a "char *", or a "void *", const or not. Some compilers
2652 * don't take kindly to e.g. assuming that "char *" implicitly
2653 * promotes to a "void *", or to explicitly promoting/demoting
2654 * consts to non/vice versa. The "const void *" is the SUS
2655 * definition, but that does not fly everywhere for the above
2657 SETSOCKOPT_OPTION_VALUE_T buf;
2661 buf = (SETSOCKOPT_OPTION_VALUE_T) SvPV_const(sv, l);
2665 aint = (int)SvIV(sv);
2666 buf = (SETSOCKOPT_OPTION_VALUE_T) &aint;
2669 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2679 SETERRNO(EBADF,SS_IVCHAN);
2688 const int optype = PL_op->op_type;
2689 GV * const gv = MUTABLE_GV(POPs);
2690 register IO * const io = GvIOn(gv);
2695 if (!io || !IoIFP(io))
2698 sv = sv_2mortal(newSV(257));
2699 (void)SvPOK_only(sv);
2703 fd = PerlIO_fileno(IoIFP(io));
2705 case OP_GETSOCKNAME:
2706 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2709 case OP_GETPEERNAME:
2710 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2712 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2714 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2715 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2716 if (((struct sockaddr *)SvPVX_const(sv))->sa_family == AF_INET &&
2717 !memcmp(SvPVX_const(sv) + sizeof(u_short), nowhere,
2718 sizeof(u_short) + sizeof(struct in_addr))) {
2725 #ifdef BOGUS_GETNAME_RETURN
2726 /* Interactive Unix, getpeername() and getsockname()
2727 does not return valid namelen */
2728 if (len == BOGUS_GETNAME_RETURN)
2729 len = sizeof(struct sockaddr);
2738 SETERRNO(EBADF,SS_IVCHAN);
2756 if (PL_op->op_flags & OPf_REF) {
2758 if (PL_op->op_type == OP_LSTAT) {
2759 if (gv != PL_defgv) {
2760 do_fstat_warning_check:
2761 Perl_ck_warner(aTHX_ packWARN(WARN_IO),
2762 "lstat() on filehandle %s", gv ? GvENAME(gv) : "");
2763 } else if (PL_laststype != OP_LSTAT)
2764 Perl_croak(aTHX_ "The stat preceding lstat() wasn't an lstat");
2768 if (gv != PL_defgv) {
2769 PL_laststype = OP_STAT;
2771 sv_setpvs(PL_statname, "");
2778 PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2779 } else if (IoDIRP(io)) {
2781 PerlLIO_fstat(my_dirfd(IoDIRP(io)), &PL_statcache);
2783 PL_laststatval = -1;
2789 if (PL_laststatval < 0) {
2795 SV* const sv = POPs;
2796 if (isGV_with_GP(sv)) {
2797 gv = MUTABLE_GV(sv);
2799 } else if(SvROK(sv) && isGV_with_GP(SvRV(sv))) {
2800 gv = MUTABLE_GV(SvRV(sv));
2801 if (PL_op->op_type == OP_LSTAT)
2802 goto do_fstat_warning_check;
2804 } else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVIO) {
2805 io = MUTABLE_IO(SvRV(sv));
2806 if (PL_op->op_type == OP_LSTAT)
2807 goto do_fstat_warning_check;
2808 goto do_fstat_have_io;
2811 sv_setpv(PL_statname, SvPV_nolen_const(sv));
2813 PL_laststype = PL_op->op_type;
2814 if (PL_op->op_type == OP_LSTAT)
2815 PL_laststatval = PerlLIO_lstat(SvPV_nolen_const(PL_statname), &PL_statcache);
2817 PL_laststatval = PerlLIO_stat(SvPV_nolen_const(PL_statname), &PL_statcache);
2818 if (PL_laststatval < 0) {
2819 if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname), '\n'))
2820 Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "stat");
2826 if (gimme != G_ARRAY) {
2827 if (gimme != G_VOID)
2828 XPUSHs(boolSV(max));
2834 mPUSHi(PL_statcache.st_dev);
2835 mPUSHi(PL_statcache.st_ino);
2836 mPUSHu(PL_statcache.st_mode);
2837 mPUSHu(PL_statcache.st_nlink);
2838 #if Uid_t_size > IVSIZE
2839 mPUSHn(PL_statcache.st_uid);
2841 # if Uid_t_sign <= 0
2842 mPUSHi(PL_statcache.st_uid);
2844 mPUSHu(PL_statcache.st_uid);
2847 #if Gid_t_size > IVSIZE
2848 mPUSHn(PL_statcache.st_gid);
2850 # if Gid_t_sign <= 0
2851 mPUSHi(PL_statcache.st_gid);
2853 mPUSHu(PL_statcache.st_gid);
2856 #ifdef USE_STAT_RDEV
2857 mPUSHi(PL_statcache.st_rdev);
2859 PUSHs(newSVpvs_flags("", SVs_TEMP));
2861 #if Off_t_size > IVSIZE
2862 mPUSHn(PL_statcache.st_size);
2864 mPUSHi(PL_statcache.st_size);
2867 mPUSHn(PL_statcache.st_atime);
2868 mPUSHn(PL_statcache.st_mtime);
2869 mPUSHn(PL_statcache.st_ctime);
2871 mPUSHi(PL_statcache.st_atime);
2872 mPUSHi(PL_statcache.st_mtime);
2873 mPUSHi(PL_statcache.st_ctime);
2875 #ifdef USE_STAT_BLOCKS
2876 mPUSHu(PL_statcache.st_blksize);
2877 mPUSHu(PL_statcache.st_blocks);
2879 PUSHs(newSVpvs_flags("", SVs_TEMP));
2880 PUSHs(newSVpvs_flags("", SVs_TEMP));
2886 #define tryAMAGICftest_MG(chr) STMT_START { \
2887 if ( (SvFLAGS(TOPs) & (SVf_ROK|SVs_GMG)) \
2888 && S_try_amagic_ftest(aTHX_ chr)) \
2893 S_try_amagic_ftest(pTHX_ char chr) {
2896 SV* const arg = TOPs;
2901 if ((PL_op->op_flags & OPf_KIDS)
2904 const char tmpchr = chr;
2906 SV * const tmpsv = amagic_call(arg,
2907 newSVpvn_flags(&tmpchr, 1, SVs_TEMP),
2908 ftest_amg, AMGf_unary);
2915 next = PL_op->op_next;
2916 if (next->op_type >= OP_FTRREAD &&
2917 next->op_type <= OP_FTBINARY &&
2918 next->op_private & OPpFT_STACKED
2921 /* leave the object alone */
2933 /* This macro is used by the stacked filetest operators :
2934 * if the previous filetest failed, short-circuit and pass its value.
2935 * Else, discard it from the stack and continue. --rgs
2937 #define STACKED_FTEST_CHECK if (PL_op->op_private & OPpFT_STACKED) { \
2938 if (!SvTRUE(TOPs)) { RETURN; } \
2939 else { (void)POPs; PUTBACK; } \
2946 /* Not const, because things tweak this below. Not bool, because there's
2947 no guarantee that OPp_FT_ACCESS is <= CHAR_MAX */
2948 #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS)
2949 I32 use_access = PL_op->op_private & OPpFT_ACCESS;
2950 /* Giving some sort of initial value silences compilers. */
2952 int access_mode = R_OK;
2954 int access_mode = 0;
2957 /* access_mode is never used, but leaving use_access in makes the
2958 conditional compiling below much clearer. */
2961 Mode_t stat_mode = S_IRUSR;
2963 bool effective = FALSE;
2967 switch (PL_op->op_type) {
2968 case OP_FTRREAD: opchar = 'R'; break;
2969 case OP_FTRWRITE: opchar = 'W'; break;
2970 case OP_FTREXEC: opchar = 'X'; break;
2971 case OP_FTEREAD: opchar = 'r'; break;
2972 case OP_FTEWRITE: opchar = 'w'; break;
2973 case OP_FTEEXEC: opchar = 'x'; break;
2975 tryAMAGICftest_MG(opchar);
2977 STACKED_FTEST_CHECK;
2979 switch (PL_op->op_type) {
2981 #if !(defined(HAS_ACCESS) && defined(R_OK))
2987 #if defined(HAS_ACCESS) && defined(W_OK)
2992 stat_mode = S_IWUSR;
2996 #if defined(HAS_ACCESS) && defined(X_OK)
3001 stat_mode = S_IXUSR;
3005 #ifdef PERL_EFF_ACCESS
3008 stat_mode = S_IWUSR;
3012 #ifndef PERL_EFF_ACCESS
3019 #ifdef PERL_EFF_ACCESS
3024 stat_mode = S_IXUSR;
3030 #if defined(HAS_ACCESS) || defined (PERL_EFF_ACCESS)
3031 const char *name = POPpx;
3033 # ifdef PERL_EFF_ACCESS
3034 result = PERL_EFF_ACCESS(name, access_mode);
3036 DIE(aTHX_ "panic: attempt to call PERL_EFF_ACCESS in %s",
3042 result = access(name, access_mode);
3044 DIE(aTHX_ "panic: attempt to call access() in %s", OP_NAME(PL_op));
3055 result = my_stat_flags(0);
3059 if (cando(stat_mode, effective, &PL_statcache))
3068 const int op_type = PL_op->op_type;
3073 case OP_FTIS: opchar = 'e'; break;
3074 case OP_FTSIZE: opchar = 's'; break;
3075 case OP_FTMTIME: opchar = 'M'; break;
3076 case OP_FTCTIME: opchar = 'C'; break;
3077 case OP_FTATIME: opchar = 'A'; break;
3079 tryAMAGICftest_MG(opchar);
3081 STACKED_FTEST_CHECK;
3083 result = my_stat_flags(0);
3087 if (op_type == OP_FTIS)
3090 /* You can't dTARGET inside OP_FTIS, because you'll get
3091 "panic: pad_sv po" - the op is not flagged to have a target. */
3095 #if Off_t_size > IVSIZE
3096 PUSHn(PL_statcache.st_size);
3098 PUSHi(PL_statcache.st_size);
3102 PUSHn( (((NV)PL_basetime - PL_statcache.st_mtime)) / 86400.0 );
3105 PUSHn( (((NV)PL_basetime - PL_statcache.st_atime)) / 86400.0 );
3108 PUSHn( (((NV)PL_basetime - PL_statcache.st_ctime)) / 86400.0 );
3122 switch (PL_op->op_type) {
3123 case OP_FTROWNED: opchar = 'O'; break;
3124 case OP_FTEOWNED: opchar = 'o'; break;
3125 case OP_FTZERO: opchar = 'z'; break;
3126 case OP_FTSOCK: opchar = 'S'; break;
3127 case OP_FTCHR: opchar = 'c'; break;
3128 case OP_FTBLK: opchar = 'b'; break;
3129 case OP_FTFILE: opchar = 'f'; break;
3130 case OP_FTDIR: opchar = 'd'; break;
3131 case OP_FTPIPE: opchar = 'p'; break;
3132 case OP_FTSUID: opchar = 'u'; break;
3133 case OP_FTSGID: opchar = 'g'; break;
3134 case OP_FTSVTX: opchar = 'k'; break;
3136 tryAMAGICftest_MG(opchar);
3138 STACKED_FTEST_CHECK;
3140 /* I believe that all these three are likely to be defined on most every
3141 system these days. */
3143 if(PL_op->op_type == OP_FTSUID) {
3144 if ((PL_op->op_flags & OPf_REF) == 0 && (PL_op->op_private & OPpFT_STACKED) == 0)
3150 if(PL_op->op_type == OP_FTSGID) {
3151 if ((PL_op->op_flags & OPf_REF) == 0 && (PL_op->op_private & OPpFT_STACKED) == 0)
3157 if(PL_op->op_type == OP_FTSVTX) {
3158 if ((PL_op->op_flags & OPf_REF) == 0 && (PL_op->op_private & OPpFT_STACKED) == 0)
3164 result = my_stat_flags(0);
3168 switch (PL_op->op_type) {
3170 if (PL_statcache.st_uid == PL_uid)
3174 if (PL_statcache.st_uid == PL_euid)
3178 if (PL_statcache.st_size == 0)
3182 if (S_ISSOCK(PL_statcache.st_mode))
3186 if (S_ISCHR(PL_statcache.st_mode))
3190 if (S_ISBLK(PL_statcache.st_mode))
3194 if (S_ISREG(PL_statcache.st_mode))
3198 if (S_ISDIR(PL_statcache.st_mode))
3202 if (S_ISFIFO(PL_statcache.st_mode))
3207 if (PL_statcache.st_mode & S_ISUID)
3213 if (PL_statcache.st_mode & S_ISGID)
3219 if (PL_statcache.st_mode & S_ISVTX)
3233 tryAMAGICftest_MG('l');
3234 result = my_lstat_flags(0);
3239 if (S_ISLNK(PL_statcache.st_mode))
3254 tryAMAGICftest_MG('t');
3256 STACKED_FTEST_CHECK;
3258 if (PL_op->op_flags & OPf_REF)
3260 else if (isGV_with_GP(TOPs))
3261 gv = MUTABLE_GV(POPs);
3262 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3263 gv = MUTABLE_GV(SvRV(POPs));
3266 name = SvPV_nomg(tmpsv, namelen);
3267 gv = gv_fetchpvn_flags(name, namelen, SvUTF8(tmpsv), SVt_PVIO);
3270 if (GvIO(gv) && IoIFP(GvIOp(gv)))
3271 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
3272 else if (tmpsv && SvOK(tmpsv)) {
3280 if (PerlLIO_isatty(fd))
3285 #if defined(atarist) /* this will work with atariST. Configure will
3286 make guesses for other systems. */
3287 # define FILE_base(f) ((f)->_base)
3288 # define FILE_ptr(f) ((f)->_ptr)
3289 # define FILE_cnt(f) ((f)->_cnt)
3290 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
3301 register STDCHAR *s;
3307 tryAMAGICftest_MG(PL_op->op_type == OP_FTTEXT ? 'T' : 'B');
3309 STACKED_FTEST_CHECK;
3311 if (PL_op->op_flags & OPf_REF)
3313 else if (isGV_with_GP(TOPs))
3314 gv = MUTABLE_GV(POPs);
3315 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3316 gv = MUTABLE_GV(SvRV(POPs));
3322 if (gv == PL_defgv) {
3324 io = GvIO(PL_statgv);
3327 goto really_filename;
3332 PL_laststatval = -1;
3333 sv_setpvs(PL_statname, "");
3334 io = GvIO(PL_statgv);
3336 if (io && IoIFP(io)) {
3337 if (! PerlIO_has_base(IoIFP(io)))
3338 DIE(aTHX_ "-T and -B not implemented on filehandles");
3339 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3340 if (PL_laststatval < 0)
3342 if (S_ISDIR(PL_statcache.st_mode)) { /* handle NFS glitch */
3343 if (PL_op->op_type == OP_FTTEXT)
3348 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3349 i = PerlIO_getc(IoIFP(io));
3351 (void)PerlIO_ungetc(IoIFP(io),i);
3353 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3355 len = PerlIO_get_bufsiz(IoIFP(io));
3356 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3357 /* sfio can have large buffers - limit to 512 */
3362 report_evil_fh(cGVOP_gv);
3363 SETERRNO(EBADF,RMS_IFI);
3371 PL_laststype = OP_STAT;
3372 sv_setpv(PL_statname, SvPV_nomg_const_nolen(sv));
3373 if (!(fp = PerlIO_open(SvPVX_const(PL_statname), "r"))) {
3374 if (ckWARN(WARN_NEWLINE) && strchr(SvPV_nolen_const(PL_statname),
3376 Perl_warner(aTHX_ packWARN(WARN_NEWLINE), PL_warn_nl, "open");
3379 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3380 if (PL_laststatval < 0) {
3381 (void)PerlIO_close(fp);
3384 PerlIO_binmode(aTHX_ fp, '<', O_BINARY, NULL);
3385 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3386 (void)PerlIO_close(fp);
3388 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3389 RETPUSHNO; /* special case NFS directories */
3390 RETPUSHYES; /* null file is anything */
3395 /* now scan s to look for textiness */
3396 /* XXX ASCII dependent code */
3398 #if defined(DOSISH) || defined(USEMYBINMODE)
3399 /* ignore trailing ^Z on short files */
3400 if (len && len < (I32)sizeof(tbuf) && tbuf[len-1] == 26)
3404 for (i = 0; i < len; i++, s++) {
3405 if (!*s) { /* null never allowed in text */
3410 else if (!(isPRINT(*s) || isSPACE(*s)))
3413 else if (*s & 128) {
3415 if (IN_LOCALE_RUNTIME && isALPHA_LC(*s))
3418 /* utf8 characters don't count as odd */
3419 if (UTF8_IS_START(*s)) {
3420 int ulen = UTF8SKIP(s);
3421 if (ulen < len - i) {
3423 for (j = 1; j < ulen; j++) {
3424 if (!UTF8_IS_CONTINUATION(s[j]))
3427 --ulen; /* loop does extra increment */
3437 *s != '\n' && *s != '\r' && *s != '\b' &&
3438 *s != '\t' && *s != '\f' && *s != 27)
3443 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3454 const char *tmps = NULL;
3458 SV * const sv = POPs;
3459 if (PL_op->op_flags & OPf_SPECIAL) {
3460 gv = gv_fetchsv(sv, 0, SVt_PVIO);
3462 else if (isGV_with_GP(sv)) {
3463 gv = MUTABLE_GV(sv);
3465 else if (SvROK(sv) && isGV_with_GP(SvRV(sv))) {
3466 gv = MUTABLE_GV(SvRV(sv));
3469 tmps = SvPV_nolen_const(sv);
3473 if( !gv && (!tmps || !*tmps) ) {
3474 HV * const table = GvHVn(PL_envgv);
3477 if ( (svp = hv_fetchs(table, "HOME", FALSE))
3478 || (svp = hv_fetchs(table, "LOGDIR", FALSE))
3480 || (svp = hv_fetchs(table, "SYS$LOGIN", FALSE))
3485 deprecate("chdir('') or chdir(undef) as chdir()");
3486 tmps = SvPV_nolen_const(*svp);
3490 TAINT_PROPER("chdir");
3495 TAINT_PROPER("chdir");
3498 IO* const io = GvIO(gv);
3501 PUSHi(fchdir(my_dirfd(IoDIRP(io))) >= 0);
3502 } else if (IoIFP(io)) {
3503 PUSHi(fchdir(PerlIO_fileno(IoIFP(io))) >= 0);
3507 SETERRNO(EBADF, RMS_IFI);
3513 SETERRNO(EBADF,RMS_IFI);
3517 DIE(aTHX_ PL_no_func, "fchdir");
3521 PUSHi( PerlDir_chdir(tmps) >= 0 );
3523 /* Clear the DEFAULT element of ENV so we'll get the new value
3525 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3532 dVAR; dSP; dMARK; dTARGET;
3533 const I32 value = (I32)apply(PL_op->op_type, MARK, SP);
3544 char * const tmps = POPpx;
3545 TAINT_PROPER("chroot");
3546 PUSHi( chroot(tmps) >= 0 );
3549 DIE(aTHX_ PL_no_func, "chroot");
3557 const char * const tmps2 = POPpconstx;
3558 const char * const tmps = SvPV_nolen_const(TOPs);
3559 TAINT_PROPER("rename");
3561 anum = PerlLIO_rename(tmps, tmps2);
3563 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3564 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3567 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3568 (void)UNLINK(tmps2);
3569 if (!(anum = link(tmps, tmps2)))
3570 anum = UNLINK(tmps);
3578 #if defined(HAS_LINK) || defined(HAS_SYMLINK)
3582 const int op_type = PL_op->op_type;
3586 if (op_type == OP_LINK)
3587 DIE(aTHX_ PL_no_func, "link");
3589 # ifndef HAS_SYMLINK
3590 if (op_type == OP_SYMLINK)
3591 DIE(aTHX_ PL_no_func, "symlink");
3595 const char * const tmps2 = POPpconstx;
3596 const char * const tmps = SvPV_nolen_const(TOPs);
3597 TAINT_PROPER(PL_op_desc[op_type]);
3599 # if defined(HAS_LINK)
3600 # if defined(HAS_SYMLINK)
3601 /* Both present - need to choose which. */
3602 (op_type == OP_LINK) ?
3603 PerlLIO_link(tmps, tmps2) : symlink(tmps, tmps2);
3605 /* Only have link, so calls to pp_symlink will have DIE()d above. */
3606 PerlLIO_link(tmps, tmps2);
3609 # if defined(HAS_SYMLINK)
3610 /* Only have symlink, so calls to pp_link will have DIE()d above. */
3611 symlink(tmps, tmps2);
3616 SETi( result >= 0 );
3623 DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]);
3634 char buf[MAXPATHLEN];
3637 #ifndef INCOMPLETE_TAINTS
3641 len = readlink(tmps, buf, sizeof(buf) - 1);
3648 RETSETUNDEF; /* just pretend it's a normal file */
3652 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3654 S_dooneliner(pTHX_ const char *cmd, const char *filename)
3656 char * const save_filename = filename;
3661 Size_t size = strlen(cmd) + (strlen(filename) * 2) + 10;
3663 PERL_ARGS_ASSERT_DOONELINER;
3665 Newx(cmdline, size, char);
3666 my_strlcpy(cmdline, cmd, size);
3667 my_strlcat(cmdline, " ", size);
3668 for (s = cmdline + strlen(cmdline); *filename; ) {
3672 if (s - cmdline < size)
3673 my_strlcpy(s, " 2>&1", size - (s - cmdline));
3674 myfp = PerlProc_popen(cmdline, "r");
3678 SV * const tmpsv = sv_newmortal();
3679 /* Need to save/restore 'PL_rs' ?? */
3680 s = sv_gets(tmpsv, myfp, 0);
3681 (void)PerlProc_pclose(myfp);
3685 #ifdef HAS_SYS_ERRLIST
3690 /* you don't see this */
3691 const char * const errmsg =
3692 #ifdef HAS_SYS_ERRLIST
3700 if (instr(s, errmsg)) {
3707 #define EACCES EPERM
3709 if (instr(s, "cannot make"))
3710 SETERRNO(EEXIST,RMS_FEX);
3711 else if (instr(s, "existing file"))
3712 SETERRNO(EEXIST,RMS_FEX);
3713 else if (instr(s, "ile exists"))
3714 SETERRNO(EEXIST,RMS_FEX);
3715 else if (instr(s, "non-exist"))
3716 SETERRNO(ENOENT,RMS_FNF);
3717 else if (instr(s, "does not exist"))
3718 SETERRNO(ENOENT,RMS_FNF);
3719 else if (instr(s, "not empty"))
3720 SETERRNO(EBUSY,SS_DEVOFFLINE);
3721 else if (instr(s, "cannot access"))
3722 SETERRNO(EACCES,RMS_PRV);
3724 SETERRNO(EPERM,RMS_PRV);
3727 else { /* some mkdirs return no failure indication */
3728 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3729 if (PL_op->op_type == OP_RMDIR)
3734 SETERRNO(EACCES,RMS_PRV); /* a guess */
3743 /* This macro removes trailing slashes from a directory name.
3744 * Different operating and file systems take differently to
3745 * trailing slashes. According to POSIX 1003.1 1996 Edition
3746 * any number of trailing slashes should be allowed.
3747 * Thusly we snip them away so that even non-conforming
3748 * systems are happy.
3749 * We should probably do this "filtering" for all
3750 * the functions that expect (potentially) directory names:
3751 * -d, chdir(), chmod(), chown(), chroot(), fcntl()?,
3752 * (mkdir()), opendir(), rename(), rmdir(), stat(). --jhi */
3754 #define TRIMSLASHES(tmps,len,copy) (tmps) = SvPV_const(TOPs, (len)); \
3755 if ((len) > 1 && (tmps)[(len)-1] == '/') { \
3758 } while ((len) > 1 && (tmps)[(len)-1] == '/'); \
3759 (tmps) = savepvn((tmps), (len)); \
3769 const int mode = (MAXARG > 1) ? POPi : 0777;
3771 TRIMSLASHES(tmps,len,copy);
3773 TAINT_PROPER("mkdir");
3775 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3779 SETi( dooneliner("mkdir", tmps) );
3780 oldumask = PerlLIO_umask(0);
3781 PerlLIO_umask(oldumask);
3782 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3797 TRIMSLASHES(tmps,len,copy);
3798 TAINT_PROPER("rmdir");
3800 SETi( PerlDir_rmdir(tmps) >= 0 );
3802 SETi( dooneliner("rmdir", tmps) );
3809 /* Directory calls. */
3813 #if defined(Direntry_t) && defined(HAS_READDIR)
3815 const char * const dirname = POPpconstx;
3816 GV * const gv = MUTABLE_GV(POPs);
3817 register IO * const io = GvIOn(gv);
3822 if ((IoIFP(io) || IoOFP(io)))
3823 Perl_ck_warner_d(aTHX_ packWARN2(WARN_IO, WARN_DEPRECATED),
3824 "Opening filehandle %s also as a directory",
3827 PerlDir_close(IoDIRP(io));
3828 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3834 SETERRNO(EBADF,RMS_DIR);
3837 DIE(aTHX_ PL_no_dir_func, "opendir");
3843 #if !defined(Direntry_t) || !defined(HAS_READDIR)
3844 DIE(aTHX_ PL_no_dir_func, "readdir");
3846 #if !defined(I_DIRENT) && !defined(VMS)
3847 Direntry_t *readdir (DIR *);
3853 const I32 gimme = GIMME;
3854 GV * const gv = MUTABLE_GV(POPs);
3855 register const Direntry_t *dp;
3856 register IO * const io = GvIOn(gv);
3858 if (!io || !IoDIRP(io)) {
3859 Perl_ck_warner(aTHX_ packWARN(WARN_IO),
3860 "readdir() attempted on invalid dirhandle %s", GvENAME(gv));
3865 dp = (Direntry_t *)PerlDir_read(IoDIRP(io));
3869 sv = newSVpvn(dp->d_name, dp->d_namlen);
3871 sv = newSVpv(dp->d_name, 0);
3873 #ifndef INCOMPLETE_TAINTS
3874 if (!(IoFLAGS(io) & IOf_UNTAINT))
3878 } while (gimme == G_ARRAY);
3880 if (!dp && gimme != G_ARRAY)
3887 SETERRNO(EBADF,RMS_ISI);
3888 if (GIMME == G_ARRAY)
3897 #if defined(HAS_TELLDIR) || defined(telldir)
3899 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3900 /* XXX netbsd still seemed to.
3901 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3902 --JHI 1999-Feb-02 */
3903 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3904 long telldir (DIR *);
3906 GV * const gv = MUTABLE_GV(POPs);
3907 register IO * const io = GvIOn(gv);
3909 if (!io || !IoDIRP(io)) {
3910 Perl_ck_warner(aTHX_ packWARN(WARN_IO),
3911 "telldir() attempted on invalid dirhandle %s", GvENAME(gv));
3915 PUSHi( PerlDir_tell(IoDIRP(io)) );
3919 SETERRNO(EBADF,RMS_ISI);
3922 DIE(aTHX_ PL_no_dir_func, "telldir");
3928 #if defined(HAS_SEEKDIR) || defined(seekdir)
3930 const long along = POPl;
3931 GV * const gv = MUTABLE_GV(POPs);
3932 register IO * const io = GvIOn(gv);
3934 if (!io || !IoDIRP(io)) {
3935 Perl_ck_warner(aTHX_ packWARN(WARN_IO),
3936 "seekdir() attempted on invalid dirhandle %s", GvENAME(gv));
3939 (void)PerlDir_seek(IoDIRP(io), along);
3944 SETERRNO(EBADF,RMS_ISI);
3947 DIE(aTHX_ PL_no_dir_func, "seekdir");
3953 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3955 GV * const gv = MUTABLE_GV(POPs);
3956 register IO * const io = GvIOn(gv);
3958 if (!io || !IoDIRP(io)) {
3959 Perl_ck_warner(aTHX_ packWARN(WARN_IO),
3960 "rewinddir() attempted on invalid dirhandle %s", GvENAME(gv));
3963 (void)PerlDir_rewind(IoDIRP(io));
3967 SETERRNO(EBADF,RMS_ISI);
3970 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3976 #if defined(Direntry_t) && defined(HAS_READDIR)
3978 GV * const gv = MUTABLE_GV(POPs);
3979 register IO * const io = GvIOn(gv);
3981 if (!io || !IoDIRP(io)) {
3982 Perl_ck_warner(aTHX_ packWARN(WARN_IO),
3983 "closedir() attempted on invalid dirhandle %s", GvENAME(gv));
3986 #ifdef VOID_CLOSEDIR
3987 PerlDir_close(IoDIRP(io));
3989 if (PerlDir_close(IoDIRP(io)) < 0) {
3990 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3999 SETERRNO(EBADF,RMS_IFI);
4002 DIE(aTHX_ PL_no_dir_func, "closedir");
4006 /* Process control. */
4015 PERL_FLUSHALL_FOR_CHILD;
4016 childpid = PerlProc_fork();
4020 GV * const tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV);
4022 SvREADONLY_off(GvSV(tmpgv));
4023 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
4024 SvREADONLY_on(GvSV(tmpgv));
4026 #ifdef THREADS_HAVE_PIDS
4027 PL_ppid = (IV)getppid();
4029 #ifdef PERL_USES_PL_PIDSTATUS
4030 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
4036 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4041 PERL_FLUSHALL_FOR_CHILD;
4042 childpid = PerlProc_fork();
4048 DIE(aTHX_ PL_no_func, "fork");
4055 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(__LIBCATAMOUNT__)
4060 if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG)
4061 childpid = wait4pid(-1, &argflags, 0);
4063 while ((childpid = wait4pid(-1, &argflags, 0)) == -1 &&
4068 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4069 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
4070 STATUS_NATIVE_CHILD_SET((childpid && childpid != -1) ? argflags : -1);
4072 STATUS_NATIVE_CHILD_SET((childpid > 0) ? argflags : -1);
4077 DIE(aTHX_ PL_no_func, "wait");
4083 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(__LIBCATAMOUNT__)
4085 const int optype = POPi;
4086 const Pid_t pid = TOPi;
4090 if (PL_signals & PERL_SIGNALS_UNSAFE_FLAG)
4091 result = wait4pid(pid, &argflags, optype);
4093 while ((result = wait4pid(pid, &argflags, optype)) == -1 &&
4098 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
4099 /* 0 and -1 are both error returns (the former applies to WNOHANG case) */
4100 STATUS_NATIVE_CHILD_SET((result && result != -1) ? argflags : -1);
4102 STATUS_NATIVE_CHILD_SET((result > 0) ? argflags : -1);
4107 DIE(aTHX_ PL_no_func, "waitpid");
4113 dVAR; dSP; dMARK; dORIGMARK; dTARGET;
4114 #if defined(__LIBCATAMOUNT__)
4115 PL_statusvalue = -1;
4124 while (++MARK <= SP) {
4125 (void)SvPV_nolen_const(*MARK); /* stringify for taint check */
4130 TAINT_PROPER("system");
4132 PERL_FLUSHALL_FOR_CHILD;
4133 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2) || defined(PERL_MICRO)
4139 if (PerlProc_pipe(pp) >= 0)
4141 while ((childpid = PerlProc_fork()) == -1) {
4142 if (errno != EAGAIN) {
4147 PerlLIO_close(pp[0]);
4148 PerlLIO_close(pp[1]);
4155 Sigsave_t ihand,qhand; /* place to save signals during system() */
4159 PerlLIO_close(pp[1]);
4161 rsignal_save(SIGINT, (Sighandler_t) SIG_IGN, &ihand);
4162 rsignal_save(SIGQUIT, (Sighandler_t) SIG_IGN, &qhand);
4165 result = wait4pid(childpid, &status, 0);
4166 } while (result == -1 && errno == EINTR);
4168 (void)rsignal_restore(SIGINT, &ihand);
4169 (void)rsignal_restore(SIGQUIT, &qhand);
4171 STATUS_NATIVE_CHILD_SET(result == -1 ? -1 : status);
4172 do_execfree(); /* free any memory child malloced on fork */
4179 while (n < sizeof(int)) {
4180 n1 = PerlLIO_read(pp[0],
4181 (void*)(((char*)&errkid)+n),
4187 PerlLIO_close(pp[0]);
4188 if (n) { /* Error */
4189 if (n != sizeof(int))
4190 DIE(aTHX_ "panic: kid popen errno read");
4191 errno = errkid; /* Propagate errno from kid */
4192 STATUS_NATIVE_CHILD_SET(-1);
4195 XPUSHi(STATUS_CURRENT);
4199 PerlLIO_close(pp[0]);
4200 #if defined(HAS_FCNTL) && defined(F_SETFD)
4201 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
4204 if (PL_op->op_flags & OPf_STACKED) {
4205 SV * const really = *++MARK;
4206 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
4208 else if (SP - MARK != 1)
4209 value = (I32)do_aexec5(NULL, MARK, SP, pp[1], did_pipes);
4211 value = (I32)do_exec3(SvPVx_nolen(sv_mortalcopy(*SP)), pp[1], did_pipes);
4215 #else /* ! FORK or VMS or OS/2 */
4218 if (PL_op->op_flags & OPf_STACKED) {
4219 SV * const really = *++MARK;
4220 # if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) || defined(__VMS)
4221 value = (I32)do_aspawn(really, MARK, SP);
4223 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
4226 else if (SP - MARK != 1) {
4227 # if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__) || defined(__VMS)
4228 value = (I32)do_aspawn(NULL, MARK, SP);
4230 value = (I32)do_aspawn(NULL, (void **)MARK, (void **)SP);
4234 value = (I32)do_spawn(SvPVx_nolen(sv_mortalcopy(*SP)));
4236 if (PL_statusvalue == -1) /* hint that value must be returned as is */
4238 STATUS_NATIVE_CHILD_SET(value);
4241 XPUSHi(result ? value : STATUS_CURRENT);
4242 #endif /* !FORK or VMS or OS/2 */
4249 dVAR; dSP; dMARK; dORIGMARK; dTARGET;
4254 while (++MARK <= SP) {
4255 (void)SvPV_nolen_const(*MARK); /* stringify for taint check */
4260 TAINT_PROPER("exec");
4262 PERL_FLUSHALL_FOR_CHILD;
4263 if (PL_op->op_flags & OPf_STACKED) {
4264 SV * const really = *++MARK;
4265 value = (I32)do_aexec(really, MARK, SP);
4267 else if (SP - MARK != 1)
4269 value = (I32)vms_do_aexec(NULL, MARK, SP);
4273 (void ) do_aspawn(NULL, MARK, SP);
4277 value = (I32)do_aexec(NULL, MARK, SP);
4282 value = (I32)vms_do_exec(SvPVx_nolen(sv_mortalcopy(*SP)));
4285 (void) do_spawn(SvPVx_nolen(sv_mortalcopy(*SP)));
4288 value = (I32)do_exec(SvPVx_nolen(sv_mortalcopy(*SP)));
4302 # ifdef THREADS_HAVE_PIDS
4303 if (PL_ppid != 1 && getppid() == 1)
4304 /* maybe the parent process has died. Refresh ppid cache */
4308 XPUSHi( getppid() );
4312 DIE(aTHX_ PL_no_func, "getppid");
4321 const Pid_t pid = (MAXARG < 1) ? 0 : SvIVx(POPs);
4324 pgrp = (I32)BSD_GETPGRP(pid);
4326 if (pid != 0 && pid != PerlProc_getpid())
4327 DIE(aTHX_ "POSIX getpgrp can't take an argument");
4333 DIE(aTHX_ PL_no_func, "getpgrp()");
4353 TAINT_PROPER("setpgrp");
4355 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
4357 if ((pgrp != 0 && pgrp != PerlProc_getpid())
4358 || (pid != 0 && pid != PerlProc_getpid()))
4360 DIE(aTHX_ "setpgrp can't take arguments");
4362 SETi( setpgrp() >= 0 );
4363 #endif /* USE_BSDPGRP */
4366 DIE(aTHX_ PL_no_func, "setpgrp()");
4370 #if defined(__GLIBC__) && ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3) || (__GLIBC__ > 2))
4371 # define PRIORITY_WHICH_T(which) (__priority_which_t)which
4373 # define PRIORITY_WHICH_T(which) which
4378 #ifdef HAS_GETPRIORITY
4380 const int who = POPi;
4381 const int which = TOPi;
4382 SETi( getpriority(PRIORITY_WHICH_T(which), who) );
4385 DIE(aTHX_ PL_no_func, "getpriority()");
4391 #ifdef HAS_SETPRIORITY
4393 const int niceval = POPi;
4394 const int who = POPi;
4395 const int which = TOPi;
4396 TAINT_PROPER("setpriority");
4397 SETi( setpriority(PRIORITY_WHICH_T(which), who, niceval) >= 0 );
4400 DIE(aTHX_ PL_no_func, "setpriority()");
4404 #undef PRIORITY_WHICH_T
4412 XPUSHn( time(NULL) );
4414 XPUSHi( time(NULL) );
4426 (void)PerlProc_times(&PL_timesbuf);
4428 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4429 /* struct tms, though same data */
4433 mPUSHn(((NV)PL_timesbuf.tms_utime)/(NV)PL_clocktick);
4434 if (GIMME == G_ARRAY) {
4435 mPUSHn(((NV)PL_timesbuf.tms_stime)/(NV)PL_clocktick);
4436 mPUSHn(((NV)PL_timesbuf.tms_cutime)/(NV)PL_clocktick);
4437 mPUSHn(((NV)PL_timesbuf.tms_cstime)/(NV)PL_clocktick);
4445 if (GIMME == G_ARRAY) {
4452 DIE(aTHX_ "times not implemented");
4454 #endif /* HAS_TIMES */
4457 /* The 32 bit int year limits the times we can represent to these
4458 boundaries with a few days wiggle room to account for time zone
4461 /* Sat Jan 3 00:00:00 -2147481748 */
4462 #define TIME_LOWER_BOUND -67768100567755200.0
4463 /* Sun Dec 29 12:00:00 2147483647 */
4464 #define TIME_UPPER_BOUND 67767976233316800.0
4473 const char *opname = PL_op->op_type == OP_LOCALTIME ? "localtime" : "gmtime";
4474 static const char * const dayname[] =
4475 {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4476 static const char * const monname[] =
4477 {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4478 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4483 when = (Time64_T)now;
4486 NV input = Perl_floor(POPn);
4487 when = (Time64_T)input;
4488 if (when != input) {
4489 Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW),
4490 "%s(%.0" NVff ") too large", opname, input);
4494 if ( TIME_LOWER_BOUND > when ) {
4495 Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW),
4496 "%s(%.0" NVff ") too small", opname, when);
4499 else if( when > TIME_UPPER_BOUND ) {
4500 Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW),
4501 "%s(%.0" NVff ") too large", opname, when);
4505 if (PL_op->op_type == OP_LOCALTIME)
4506 err = S_localtime64_r(&when, &tmbuf);
4508 err = S_gmtime64_r(&when, &tmbuf);
4512 /* XXX %lld broken for quads */
4513 Perl_ck_warner(aTHX_ packWARN(WARN_OVERFLOW),
4514 "%s(%.0" NVff ") failed", opname, when);
4517 if (GIMME != G_ARRAY) { /* scalar context */
4519 /* XXX newSVpvf()'s %lld type is broken, so cheat with a double */
4520 double year = (double)tmbuf.tm_year + 1900;
4527 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %.0f",
4528 dayname[tmbuf.tm_wday],
4529 monname[tmbuf.tm_mon],
4537 else { /* list context */
4543 mPUSHi(tmbuf.tm_sec);
4544 mPUSHi(tmbuf.tm_min);
4545 mPUSHi(tmbuf.tm_hour);
4546 mPUSHi(tmbuf.tm_mday);
4547 mPUSHi(tmbuf.tm_mon);
4548 mPUSHn(tmbuf.tm_year);
4549 mPUSHi(tmbuf.tm_wday);
4550 mPUSHi(tmbuf.tm_yday);
4551 mPUSHi(tmbuf.tm_isdst);
4562 anum = alarm((unsigned int)anum);
4568 DIE(aTHX_ PL_no_func, "alarm");
4579 (void)time(&lasttime);
4584 PerlProc_sleep((unsigned int)duration);
4587 XPUSHi(when - lasttime);
4591 /* Shared memory. */
4592 /* Merged with some message passing. */
4596 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4597 dVAR; dSP; dMARK; dTARGET;
4598 const int op_type = PL_op->op_type;
4603 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4606 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4609 value = (I32)(do_semop(MARK, SP) >= 0);
4612 value = (I32)(do_shmio(op_type, MARK, SP) >= 0);
4620 return Perl_pp_semget(aTHX);
4628 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4629 dVAR; dSP; dMARK; dTARGET;
4630 const int anum = do_ipcget(PL_op->op_type, MARK, SP);
4637 DIE(aTHX_ "System V IPC is not implemented on this machine");
4643 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4644 dVAR; dSP; dMARK; dTARGET;
4645 const int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4653 PUSHp(zero_but_true, ZBTLEN);
4657 return Perl_pp_semget(aTHX);
4661 /* I can't const this further without getting warnings about the types of
4662 various arrays passed in from structures. */
4664 S_space_join_names_mortal(pTHX_ char *const *array)
4668 PERL_ARGS_ASSERT_SPACE_JOIN_NAMES_MORTAL;
4670 if (array && *array) {
4671 target = newSVpvs_flags("", SVs_TEMP);
4673 sv_catpv(target, *array);
4676 sv_catpvs(target, " ");
4679 target = sv_mortalcopy(&PL_sv_no);
4684 /* Get system info. */
4688 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4690 I32 which = PL_op->op_type;
4691 register char **elem;
4693 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4694 struct hostent *gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4695 struct hostent *gethostbyname(Netdb_name_t);
4696 struct hostent *gethostent(void);
4698 struct hostent *hent = NULL;
4702 if (which == OP_GHBYNAME) {
4703 #ifdef HAS_GETHOSTBYNAME
4704 const char* const name = POPpbytex;
4705 hent = PerlSock_gethostbyname(name);
4707 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4710 else if (which == OP_GHBYADDR) {
4711 #ifdef HAS_GETHOSTBYADDR
4712 const int addrtype = POPi;
4713 SV * const addrsv = POPs;
4715 const char *addr = (char *)SvPVbyte(addrsv, addrlen);
4717 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4719 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4723 #ifdef HAS_GETHOSTENT
4724 hent = PerlSock_gethostent();
4726 DIE(aTHX_ PL_no_sock_func, "gethostent");
4729 #ifdef HOST_NOT_FOUND
4731 #ifdef USE_REENTRANT_API
4732 # ifdef USE_GETHOSTENT_ERRNO
4733 h_errno = PL_reentrant_buffer->_gethostent_errno;
4736 STATUS_UNIX_SET(h_errno);
4740 if (GIMME != G_ARRAY) {
4741 PUSHs(sv = sv_newmortal());
4743 if (which == OP_GHBYNAME) {
4745 sv_setpvn(sv, hent->h_addr, hent->h_length);
4748 sv_setpv(sv, (char*)hent->h_name);
4754 mPUSHs(newSVpv((char*)hent->h_name, 0));
4755 PUSHs(space_join_names_mortal(hent->h_aliases));
4756 mPUSHi(hent->h_addrtype);
4757 len = hent->h_length;
4760 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4761 mXPUSHp(*elem, len);
4765 mPUSHp(hent->h_addr, len);
4767 PUSHs(sv_mortalcopy(&PL_sv_no));
4772 DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
4778 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4780 I32 which = PL_op->op_type;
4782 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4783 struct netent *getnetbyaddr(Netdb_net_t, int);
4784 struct netent *getnetbyname(Netdb_name_t);
4785 struct netent *getnetent(void);
4787 struct netent *nent;
4789 if (which == OP_GNBYNAME){
4790 #ifdef HAS_GETNETBYNAME
4791 const char * const name = POPpbytex;
4792 nent = PerlSock_getnetbyname(name);
4794 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4797 else if (which == OP_GNBYADDR) {
4798 #ifdef HAS_GETNETBYADDR
4799 const int addrtype = POPi;
4800 const Netdb_net_t addr = (Netdb_net_t) (U32)POPu;
4801 nent = PerlSock_getnetbyaddr(addr, addrtype);
4803 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4807 #ifdef HAS_GETNETENT
4808 nent = PerlSock_getnetent();
4810 DIE(aTHX_ PL_no_sock_func, "getnetent");
4813 #ifdef HOST_NOT_FOUND
4815 #ifdef USE_REENTRANT_API
4816 # ifdef USE_GETNETENT_ERRNO
4817 h_errno = PL_reentrant_buffer->_getnetent_errno;
4820 STATUS_UNIX_SET(h_errno);
4825 if (GIMME != G_ARRAY) {
4826 PUSHs(sv = sv_newmortal());
4828 if (which == OP_GNBYNAME)
4829 sv_setiv(sv, (IV)nent->n_net);
4831 sv_setpv(sv, nent->n_name);
4837 mPUSHs(newSVpv(nent->n_name, 0));
4838 PUSHs(space_join_names_mortal(nent->n_aliases));
4839 mPUSHi(nent->n_addrtype);
4840 mPUSHi(nent->n_net);
4845 DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
4851 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4853 I32 which = PL_op->op_type;
4855 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4856 struct protoent *getprotobyname(Netdb_name_t);
4857 struct protoent *getprotobynumber(int);
4858 struct protoent *getprotoent(void);
4860 struct protoent *pent;
4862 if (which == OP_GPBYNAME) {
4863 #ifdef HAS_GETPROTOBYNAME
4864 const char* const name = POPpbytex;
4865 pent = PerlSock_getprotobyname(name);
4867 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4870 else if (which == OP_GPBYNUMBER) {
4871 #ifdef HAS_GETPROTOBYNUMBER
4872 const int number = POPi;
4873 pent = PerlSock_getprotobynumber(number);
4875 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4879 #ifdef HAS_GETPROTOENT
4880 pent = PerlSock_getprotoent();
4882 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4886 if (GIMME != G_ARRAY) {
4887 PUSHs(sv = sv_newmortal());
4889 if (which == OP_GPBYNAME)
4890 sv_setiv(sv, (IV)pent->p_proto);
4892 sv_setpv(sv, pent->p_name);
4898 mPUSHs(newSVpv(pent->p_name, 0));
4899 PUSHs(space_join_names_mortal(pent->p_aliases));
4900 mPUSHi(pent->p_proto);
4905 DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
4911 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4913 I32 which = PL_op->op_type;
4915 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4916 struct servent *getservbyname(Netdb_name_t, Netdb_name_t);
4917 struct servent *getservbyport(int, Netdb_name_t);
4918 struct servent *getservent(void);
4920 struct servent *sent;
4922 if (which == OP_GSBYNAME) {
4923 #ifdef HAS_GETSERVBYNAME
4924 const char * const proto = POPpbytex;
4925 const char * const name = POPpbytex;
4926 sent = PerlSock_getservbyname(name, (proto && !*proto) ? NULL : proto);
4928 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4931 else if (which == OP_GSBYPORT) {
4932 #ifdef HAS_GETSERVBYPORT
4933 const char * const proto = POPpbytex;
4934 unsigned short port = (unsigned short)POPu;
4936 port = PerlSock_htons(port);
4938 sent = PerlSock_getservbyport(port, (proto && !*proto) ? NULL : proto);
4940 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4944 #ifdef HAS_GETSERVENT
4945 sent = PerlSock_getservent();
4947 DIE(aTHX_ PL_no_sock_func, "getservent");
4951 if (GIMME != G_ARRAY) {
4952 PUSHs(sv = sv_newmortal());
4954 if (which == OP_GSBYNAME) {
4956 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4958 sv_setiv(sv, (IV)(sent->s_port));
4962 sv_setpv(sv, sent->s_name);
4968 mPUSHs(newSVpv(sent->s_name, 0));
4969 PUSHs(space_join_names_mortal(sent->s_aliases));
4971 mPUSHi(PerlSock_ntohs(sent->s_port));
4973 mPUSHi(sent->s_port);
4975 mPUSHs(newSVpv(sent->s_proto, 0));
4980 DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
4987 const int stayopen = TOPi;
4988 switch(PL_op->op_type) {
4990 #ifdef HAS_SETHOSTENT
4991 PerlSock_sethostent(stayopen);
4993 DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
4996 #ifdef HAS_SETNETENT
4998 PerlSock_setnetent(stayopen);
5000 DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
5004 #ifdef HAS_SETPROTOENT
5005 PerlSock_setprotoent(stayopen);
5007 DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
5011 #ifdef HAS_SETSERVENT
5012 PerlSock_setservent(stayopen);
5014 DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
5024 switch(PL_op->op_type) {
5026 #ifdef HAS_ENDHOSTENT
5027 PerlSock_endhostent();
5029 DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
5033 #ifdef HAS_ENDNETENT
5034 PerlSock_endnetent();
5036 DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
5040 #ifdef HAS_ENDPROTOENT
5041 PerlSock_endprotoent();
5043 DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
5047 #ifdef HAS_ENDSERVENT
5048 PerlSock_endservent();
5050 DIE(aTHX_ PL_no_sock_func, PL_op_desc[PL_op->op_type]);
5054 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5057 DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]);
5061 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5064 DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]);
5068 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
5071 DIE(aTHX_ PL_no_func, PL_op_desc[PL_op->op_type]);