3 * Copyright (c) 1991-1999, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 * But only a short way ahead its floor and the walls on either side were
12 * cloven by a great fissure, out of which the red glare came, now leaping
13 * up, now dying down into darkness; and all the while far below there was
14 * a rumour and a trouble as of great engines throbbing and labouring.
18 #define PERL_IN_PP_SYS_C
22 /* Shadow password support for solaris - pdo@cs.umd.edu
23 * Not just Solaris: at least HP-UX, IRIX, Linux.
24 * the API is from SysV. --jhi */
28 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
35 extern "C" int syscall(unsigned long,...);
40 # include <sys/wait.h>
44 # include <sys/resource.h>
47 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
48 # include <sys/socket.h>
49 # if defined(USE_SOCKS) && defined(I_SOCKS)
57 # include <net/errno.h>
64 #include <sys/select.h>
68 /* XXX Configure test needed.
69 h_errno might not be a simple 'int', especially for multi-threaded
70 applications, see "extern int errno in perl.h". Creating such
71 a test requires taking into account the differences between
72 compiling multithreaded and singlethreaded ($ccflags et al).
73 HOST_NOT_FOUND is typically defined in <netdb.h>.
75 #if defined(HOST_NOT_FOUND) && !defined(h_errno)
83 struct passwd *getpwnam (char *);
84 struct passwd *getpwuid (Uid_t);
87 struct passwd *getpwent (void);
95 struct group *getgrnam (char *);
96 struct group *getgrgid (Gid_t);
99 struct group *getgrent (void);
104 # if defined(_MSC_VER) || defined(__MINGW32__)
105 # include <sys/utime.h>
114 #include <sys/file.h>
117 /* Put this after #includes because fork and vfork prototypes may conflict. */
122 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
124 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
125 # define Sock_size_t Size_t
127 # define Sock_size_t int
132 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
135 # define my_chsize PerlLIO_chsize
140 #else /* no flock() */
142 /* fcntl.h might not have been included, even if it exists, because
143 the current Configure only sets I_FCNTL if it's needed to pick up
144 the *_OK constants. Make sure it has been included before testing
145 the fcntl() locking constants. */
146 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
150 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
151 # define FLOCK fcntl_emulate_flock
152 # define FCNTL_EMULATE_FLOCK
153 # else /* no flock() or fcntl(F_SETLK,...) */
155 # define FLOCK lockf_emulate_flock
156 # define LOCKF_EMULATE_FLOCK
158 # endif /* no flock() or fcntl(F_SETLK,...) */
161 static int FLOCK (int, int);
164 * These are the flock() constants. Since this sytems doesn't have
165 * flock(), the values of the constants are probably not available.
179 # endif /* emulating flock() */
181 #endif /* no flock() */
184 static char zero_but_true[ZBTLEN + 1] = "0 but true";
186 #if defined(I_SYS_ACCESS) && !defined(R_OK)
187 # include <sys/access.h>
190 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
191 #undef PERL_EFF_ACCESS_W_OK
192 #undef PERL_EFF_ACCESS_X_OK
194 /* F_OK unused: if stat() cannot find it... */
196 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
197 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
198 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
199 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
200 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
203 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
204 # if defined(I_SYS_SECURITY)
205 # include <sys/security.h>
207 /* XXX Configure test needed for eaccess */
210 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
211 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
212 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
215 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
216 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
217 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
221 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
223 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
224 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
225 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
228 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
229 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
230 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
233 S_emulate_eaccess(pTHX_ const char* path, int mode)
235 Uid_t ruid = getuid();
236 Uid_t euid = geteuid();
237 Gid_t rgid = getgid();
238 Gid_t egid = getegid();
241 MUTEX_LOCK(&PL_cred_mutex);
242 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
243 Perl_croak(aTHX_ "switching effective uid is not implemented");
246 if (setreuid(euid, ruid))
249 if (setresuid(euid, ruid, (Uid_t)-1))
252 Perl_croak(aTHX_ "entering effective uid failed");
255 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
256 Perl_croak(aTHX_ "switching effective gid is not implemented");
259 if (setregid(egid, rgid))
262 if (setresgid(egid, rgid, (Gid_t)-1))
265 Perl_croak(aTHX_ "entering effective gid failed");
268 res = access(path, mode);
271 if (setreuid(ruid, euid))
274 if (setresuid(ruid, euid, (Uid_t)-1))
277 Perl_croak(aTHX_ "leaving effective uid failed");
280 if (setregid(rgid, egid))
283 if (setresgid(rgid, egid, (Gid_t)-1))
286 Perl_croak(aTHX_ "leaving effective gid failed");
287 MUTEX_UNLOCK(&PL_cred_mutex);
291 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
292 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
293 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
296 #if !defined(PERL_EFF_ACCESS_R_OK)
298 S_emulate_eaccess(pTHX_ const char* path, int mode)
300 Perl_croak(aTHX_ "switching effective uid is not implemented");
315 fp = PerlProc_popen(tmps, "r");
317 if (gimme == G_VOID) {
319 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
323 else if (gimme == G_SCALAR) {
324 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
325 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
336 if (sv_gets(sv, fp, 0) == Nullch) {
340 XPUSHs(sv_2mortal(sv));
341 if (SvLEN(sv) - SvCUR(sv) > 20) {
342 SvLEN_set(sv, SvCUR(sv)+1);
343 Renew(SvPVX(sv), SvLEN(sv), char);
348 STATUS_NATIVE_SET(PerlProc_pclose(fp));
349 TAINT; /* "I believe that this is not gratuitous!" */
352 STATUS_NATIVE_SET(-1);
353 if (gimme == G_SCALAR)
363 tryAMAGICunTARGET(iter, -1);
370 * The external globbing program may use things we can't control,
371 * so for security reasons we must assume the worst.
374 taint_proper(PL_no_security, "glob");
378 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
379 PL_last_in_gv = (GV*)*PL_stack_sp--;
381 SAVESPTR(PL_rs); /* This is not permanent, either. */
382 PL_rs = sv_2mortal(newSVpvn("\000", 1));
385 *SvPVX(PL_rs) = '\n';
389 result = do_readline();
394 #if 0 /* XXX never used! */
398 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
399 return do_readline();
405 PL_last_in_gv = cGVOP->op_gv;
406 return do_readline();
415 if (SP - MARK != 1) {
417 do_join(TARG, &PL_sv_no, MARK, SP);
424 tmps = SvPV(tmpsv, len);
427 (void)SvUPGRADE(error, SVt_PV);
428 if (SvPOK(error) && SvCUR(error))
429 sv_catpv(error, "\t...caught");
431 tmps = SvPV(tmpsv, len);
434 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
436 Perl_warn(aTHX_ "%_", tmpsv);
447 if (SP - MARK != 1) {
449 do_join(TARG, &PL_sv_no, MARK, SP);
451 tmps = SvPV(tmpsv, len);
457 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
461 (void)SvUPGRADE(error, SVt_PV);
462 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
464 SvSetSV(error,tmpsv);
465 else if (sv_isobject(error)) {
466 HV *stash = SvSTASH(SvRV(error));
467 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
469 SV *file = sv_2mortal(newSVsv(GvSV(PL_curcop->cop_filegv)));
470 SV *line = sv_2mortal(newSViv(PL_curcop->cop_line));
477 call_sv((SV*)GvCV(gv),
478 G_SCALAR|G_EVAL|G_KEEPERR);
479 sv_setsv(error,*PL_stack_sp--);
485 if (SvPOK(error) && SvCUR(error))
486 sv_catpv(error, "\t...propagated");
488 tmps = SvPV(tmpsv, len);
492 tmpsv = sv_2mortal(newSVpvn("Died", 4));
494 DIE(aTHX_ "%_", tmpsv);
517 DIE(aTHX_ PL_no_usym, "filehandle");
522 DIE(aTHX_ PL_no_usym, "filehandle");
524 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
526 #if 0 /* no undef means tmpfile() yet */
527 if (sv == &PL_sv_undef) {
529 PerlIO *fp = PerlIO_tmpfile();
531 PerlIO *fp = tmpfile();
533 if (fp != Nullfp && do_open(gv, "+>&", 3, FALSE, 0, 0, fp))
534 PUSHi( (I32)PL_forkprocess );
539 #endif /* no undef means tmpfile() yet */
542 if (mg = SvTIED_mg((SV*)gv, 'q')) {
544 XPUSHs(SvTIED_obj((SV*)gv, mg));
550 call_method("OPEN", G_SCALAR);
556 tmps = SvPV(sv, len);
557 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
558 PUSHi( (I32)PL_forkprocess );
559 else if (PL_forkprocess == 0) /* we are a new child */
577 if (mg = SvTIED_mg((SV*)gv, 'q')) {
579 XPUSHs(SvTIED_obj((SV*)gv, mg));
582 call_method("CLOSE", G_SCALAR);
588 PUSHs(boolSV(do_close(gv, TRUE)));
608 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
609 DIE(aTHX_ PL_no_usym, "filehandle");
614 do_close(rgv, FALSE);
616 do_close(wgv, FALSE);
618 if (PerlProc_pipe(fd) < 0)
621 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
622 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
623 IoIFP(wstio) = IoOFP(wstio);
627 if (!IoIFP(rstio) || !IoOFP(wstio)) {
628 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
629 else PerlLIO_close(fd[0]);
630 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
631 else PerlLIO_close(fd[1]);
634 #if defined(HAS_FCNTL) && defined(F_SETFD)
635 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
636 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
643 DIE(aTHX_ PL_no_func, "pipe");
659 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
661 XPUSHs(SvTIED_obj((SV*)gv, mg));
664 call_method("FILENO", G_SCALAR);
670 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
672 PUSHi(PerlIO_fileno(fp));
683 anum = PerlLIO_umask(0);
684 (void)PerlLIO_umask(anum);
687 anum = PerlLIO_umask(POPi);
688 TAINT_PROPER("umask");
691 /* Only DIE if trying to restrict permissions on `user' (self).
692 * Otherwise it's harmless and more useful to just return undef
693 * since 'group' and 'other' concepts probably don't exist here. */
694 if (MAXARG >= 1 && (POPi & 0700))
695 DIE(aTHX_ "umask not implemented");
696 XPUSHs(&PL_sv_undef);
714 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
716 XPUSHs(SvTIED_obj((SV*)gv, mg));
719 call_method("BINMODE", G_SCALAR);
726 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
729 if (do_binmode(fp,IoTYPE(io),TRUE))
744 I32 markoff = MARK - PL_stack_base;
751 switch(SvTYPE(varsv)) {
753 methname = "TIEHASH";
756 methname = "TIEARRAY";
759 methname = "TIEHANDLE";
763 methname = "TIESCALAR";
768 if (sv_isobject(*MARK)) {
770 PUSHSTACKi(PERLSI_MAGIC);
776 call_method(methname, G_SCALAR);
779 /* Not clear why we don't call call_method here too.
780 * perhaps to get different error message ?
782 stash = gv_stashsv(*MARK, FALSE);
783 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
784 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
785 methname, SvPV(*MARK,n_a));
788 PUSHSTACKi(PERLSI_MAGIC);
794 call_sv((SV*)GvCV(gv), G_SCALAR);
800 if (sv_isobject(sv)) {
801 sv_unmagic(varsv, how);
802 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
805 SP = PL_stack_base + markoff;
814 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
816 if (ckWARN(WARN_UNTIE)) {
818 if (mg = SvTIED_mg(sv, how)) {
820 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
821 Perl_warner(aTHX_ WARN_UNTIE,
822 "untie attempted while %" PERL_PRIu64 " inner references still exist",
823 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
825 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
826 Perl_warner(aTHX_ WARN_UNTIE,
827 "untie attempted while %lu inner references still exist",
828 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
841 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
844 if (mg = SvTIED_mg(sv, how)) {
845 SV *osv = SvTIED_obj(sv, mg);
846 if (osv == mg->mg_obj)
847 osv = sv_mortalcopy(osv);
865 sv = sv_mortalcopy(&PL_sv_no);
866 sv_setpv(sv, "AnyDBM_File");
867 stash = gv_stashsv(sv, FALSE);
868 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
870 require_pv("AnyDBM_File.pm");
872 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
873 DIE(aTHX_ "No dbm on this machine");
883 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
885 PUSHs(sv_2mortal(newSViv(O_RDWR)));
888 call_sv((SV*)GvCV(gv), G_SCALAR);
891 if (!sv_isobject(TOPs)) {
896 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
899 call_sv((SV*)GvCV(gv), G_SCALAR);
903 if (sv_isobject(TOPs)) {
904 sv_unmagic((SV *) hv, 'P');
905 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
927 struct timeval timebuf;
928 struct timeval *tbuf = &timebuf;
932 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
937 # if BYTEORDER & 0xf0000
938 # define ORDERBYTE (0x88888888 - BYTEORDER)
940 # define ORDERBYTE (0x4444 - BYTEORDER)
946 for (i = 1; i <= 3; i++) {
954 /* little endians can use vecs directly */
955 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
956 # if SELECT_MIN_BITS > 1
957 /* If SELECT_MIN_BITS is greater than one we most probably will want
958 * to align the sizes with SELECT_MIN_BITS/8 because for example
959 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
960 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
961 * on (sets/tests/clears bits) is 32 bits. */
962 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
964 growsize = sizeof(fd_set);
973 masksize = NFDBITS / NBBY;
975 masksize = sizeof(long); /* documented int, everyone seems to use long */
977 growsize = maxlen + (masksize - (maxlen % masksize));
978 Zero(&fd_sets[0], 4, char*);
986 timebuf.tv_sec = (long)value;
987 value -= (NV)timebuf.tv_sec;
988 timebuf.tv_usec = (long)(value * 1000000.0);
991 tbuf = Null(struct timeval*);
993 for (i = 1; i <= 3; i++) {
1000 SvPV_force(sv,n_a); /* force string conversion */
1003 Sv_Grow(sv, growsize);
1007 while (++j <= growsize) {
1011 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1013 New(403, fd_sets[i], growsize, char);
1014 for (offset = 0; offset < growsize; offset += masksize) {
1015 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1016 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1019 fd_sets[i] = SvPVX(sv);
1023 nfound = PerlSock_select(
1025 (Select_fd_set_t) fd_sets[1],
1026 (Select_fd_set_t) fd_sets[2],
1027 (Select_fd_set_t) fd_sets[3],
1029 for (i = 1; i <= 3; i++) {
1032 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1034 for (offset = 0; offset < growsize; offset += masksize) {
1035 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1036 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1038 Safefree(fd_sets[i]);
1045 if (GIMME == G_ARRAY && tbuf) {
1046 value = (NV)(timebuf.tv_sec) +
1047 (NV)(timebuf.tv_usec) / 1000000.0;
1048 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1049 sv_setnv(sv, value);
1053 DIE(aTHX_ "select not implemented");
1058 Perl_setdefout(pTHX_ GV *gv)
1062 (void)SvREFCNT_inc(gv);
1064 SvREFCNT_dec(PL_defoutgv);
1071 GV *newdefout, *egv;
1074 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1076 egv = GvEGV(PL_defoutgv);
1081 XPUSHs(&PL_sv_undef);
1083 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1084 if (gvp && *gvp == egv) {
1085 gv_efullname3(TARG, PL_defoutgv, Nullch);
1089 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1094 if (!GvIO(newdefout))
1095 gv_IOadd(newdefout);
1096 setdefout(newdefout);
1115 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1116 I32 gimme = GIMME_V;
1118 XPUSHs(SvTIED_obj((SV*)gv, mg));
1121 call_method("GETC", gimme);
1124 if (gimme == G_SCALAR)
1125 SvSetMagicSV_nosteal(TARG, TOPs);
1128 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1131 sv_setpv(TARG, " ");
1132 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1139 return pp_sysread();
1143 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1146 register PERL_CONTEXT *cx;
1147 I32 gimme = GIMME_V;
1148 AV* padlist = CvPADLIST(cv);
1149 SV** svp = AvARRAY(padlist);
1155 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1157 SAVESPTR(PL_curpad);
1158 PL_curpad = AvARRAY((AV*)svp[1]);
1160 setdefout(gv); /* locally select filehandle so $% et al work */
1192 SV *tmpsv = sv_newmortal();
1193 gv_efullname3(tmpsv, fgv, Nullch);
1194 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1196 DIE(aTHX_ "Not a format reference");
1199 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1201 IoFLAGS(io) &= ~IOf_DIDTOP;
1202 return doform(cv,gv,PL_op->op_next);
1208 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1209 register IO *io = GvIOp(gv);
1210 PerlIO *ofp = IoOFP(io);
1214 register PERL_CONTEXT *cx;
1216 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1217 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1218 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1219 PL_formtarget != PL_toptarget)
1223 if (!IoTOP_GV(io)) {
1227 if (!IoTOP_NAME(io)) {
1228 if (!IoFMT_NAME(io))
1229 IoFMT_NAME(io) = savepv(GvNAME(gv));
1230 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1231 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1232 if ((topgv && GvFORM(topgv)) ||
1233 !gv_fetchpv("top",FALSE,SVt_PVFM))
1234 IoTOP_NAME(io) = savepv(SvPVX(topname));
1236 IoTOP_NAME(io) = savepv("top");
1238 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1239 if (!topgv || !GvFORM(topgv)) {
1240 IoLINES_LEFT(io) = 100000000;
1243 IoTOP_GV(io) = topgv;
1245 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1246 I32 lines = IoLINES_LEFT(io);
1247 char *s = SvPVX(PL_formtarget);
1248 if (lines <= 0) /* Yow, header didn't even fit!!! */
1250 while (lines-- > 0) {
1251 s = strchr(s, '\n');
1257 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1258 sv_chop(PL_formtarget, s);
1259 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1262 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1263 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1264 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1266 PL_formtarget = PL_toptarget;
1267 IoFLAGS(io) |= IOf_DIDTOP;
1270 DIE(aTHX_ "bad top format reference");
1273 SV *tmpsv = sv_newmortal();
1274 gv_efullname3(tmpsv, fgv, Nullch);
1275 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1278 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1279 return doform(cv,gv,PL_op);
1283 POPBLOCK(cx,PL_curpm);
1289 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1290 SV* sv = sv_newmortal();
1291 gv_efullname3(sv, gv, Nullch);
1293 Perl_warner(aTHX_ WARN_IO,
1294 "Filehandle %s opened only for input",
1296 else if (ckWARN(WARN_CLOSED))
1297 Perl_warner(aTHX_ WARN_CLOSED,
1298 "Write on closed filehandle %s", SvPV_nolen(sv));
1303 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1304 if (ckWARN(WARN_IO))
1305 Perl_warner(aTHX_ WARN_IO, "page overflow");
1307 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1311 FmLINES(PL_formtarget) = 0;
1312 SvCUR_set(PL_formtarget, 0);
1313 *SvEND(PL_formtarget) = '\0';
1314 if (IoFLAGS(io) & IOf_FLUSH)
1315 (void)PerlIO_flush(fp);
1319 PL_formtarget = PL_bodytarget;
1321 return pop_return();
1326 djSP; dMARK; dORIGMARK;
1334 if (PL_op->op_flags & OPf_STACKED)
1339 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1340 if (MARK == ORIGMARK) {
1343 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1347 *MARK = SvTIED_obj((SV*)gv, mg);
1350 call_method("PRINTF", G_SCALAR);
1353 MARK = ORIGMARK + 1;
1360 if (!(io = GvIO(gv))) {
1361 if (ckWARN(WARN_UNOPENED)) {
1362 gv_efullname3(sv, gv, Nullch);
1363 Perl_warner(aTHX_ WARN_UNOPENED,
1364 "Filehandle %s never opened", SvPV(sv,n_a));
1366 SETERRNO(EBADF,RMS$_IFI);
1369 else if (!(fp = IoOFP(io))) {
1370 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1371 gv_efullname3(sv, gv, Nullch);
1373 Perl_warner(aTHX_ WARN_IO,
1374 "Filehandle %s opened only for input",
1376 else if (ckWARN(WARN_CLOSED))
1377 Perl_warner(aTHX_ WARN_CLOSED,
1378 "printf on closed filehandle %s", SvPV(sv,n_a));
1380 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1384 do_sprintf(sv, SP - MARK, MARK + 1);
1385 if (!do_print(sv, fp))
1388 if (IoFLAGS(io) & IOf_FLUSH)
1389 if (PerlIO_flush(fp) == EOF)
1400 PUSHs(&PL_sv_undef);
1421 /* Need TIEHANDLE method ? */
1423 tmps = SvPV(sv, len);
1424 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1425 IoLINES(GvIOp(gv)) = 0;
1429 PUSHs(&PL_sv_undef);
1436 djSP; dMARK; dORIGMARK; dTARGET;
1442 Sock_size_t bufsize;
1448 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1449 (mg = SvTIED_mg((SV*)gv, 'q')))
1454 *MARK = SvTIED_obj((SV*)gv, mg);
1456 call_method("READ", G_SCALAR);
1469 sv_setpvn(bufsv, "", 0);
1470 buffer = SvPV_force(bufsv, blen);
1471 length = SvIVx(*++MARK);
1473 DIE(aTHX_ "Negative length");
1476 offset = SvIVx(*++MARK);
1480 if (!io || !IoIFP(io))
1483 if (PL_op->op_type == OP_RECV) {
1484 char namebuf[MAXPATHLEN];
1485 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1486 bufsize = sizeof (struct sockaddr_in);
1488 bufsize = sizeof namebuf;
1490 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1494 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1498 buffer = SvGROW(bufsv, length+1);
1499 /* 'offset' means 'flags' here */
1500 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1501 (struct sockaddr *)namebuf, &bufsize);
1504 SvCUR_set(bufsv, length);
1505 *SvEND(bufsv) = '\0';
1506 (void)SvPOK_only(bufsv);
1508 /* This should not be marked tainted if the fp is marked clean */
1509 if (!(IoFLAGS(io) & IOf_UNTAINT))
1510 SvTAINTED_on(bufsv);
1512 sv_setpvn(TARG, namebuf, bufsize);
1517 if (PL_op->op_type == OP_RECV)
1518 DIE(aTHX_ PL_no_sock_func, "recv");
1522 DIE(aTHX_ "Offset outside string");
1525 bufsize = SvCUR(bufsv);
1526 buffer = SvGROW(bufsv, length+offset+1);
1527 if (offset > bufsize) { /* Zero any newly allocated space */
1528 Zero(buffer+bufsize, offset-bufsize, char);
1530 if (PL_op->op_type == OP_SYSREAD) {
1531 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1532 if (IoTYPE(io) == 's') {
1533 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1534 buffer+offset, length, 0);
1539 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1540 buffer+offset, length);
1544 #ifdef HAS_SOCKET__bad_code_maybe
1545 if (IoTYPE(io) == 's') {
1546 char namebuf[MAXPATHLEN];
1547 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1548 bufsize = sizeof (struct sockaddr_in);
1550 bufsize = sizeof namebuf;
1552 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1553 (struct sockaddr *)namebuf, &bufsize);
1558 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1559 /* fread() returns 0 on both error and EOF */
1560 if (length == 0 && PerlIO_error(IoIFP(io)))
1564 if (IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1565 || IoIFP(io) == PerlIO_stderr())
1567 SV* sv = sv_newmortal();
1568 gv_efullname3(sv, gv, Nullch);
1569 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1574 SvCUR_set(bufsv, length+offset);
1575 *SvEND(bufsv) = '\0';
1576 (void)SvPOK_only(bufsv);
1578 /* This should not be marked tainted if the fp is marked clean */
1579 if (!(IoFLAGS(io) & IOf_UNTAINT))
1580 SvTAINTED_on(bufsv);
1593 int items = (SP - PL_stack_base) - TOPMARK;
1597 sv = sv_2mortal(newSViv(sv_len(*SP)));
1606 djSP; dMARK; dORIGMARK; dTARGET;
1617 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1621 *MARK = SvTIED_obj((SV*)gv, mg);
1623 call_method("WRITE", G_SCALAR);
1634 buffer = SvPV(bufsv, blen);
1635 length = SvIVx(*++MARK);
1637 DIE(aTHX_ "Negative length");
1640 if (!io || !IoIFP(io)) {
1642 if (ckWARN(WARN_CLOSED)) {
1643 if (PL_op->op_type == OP_SYSWRITE)
1644 Perl_warner(aTHX_ WARN_CLOSED, "Syswrite on closed filehandle");
1646 Perl_warner(aTHX_ WARN_CLOSED, "Send on closed socket");
1649 else if (PL_op->op_type == OP_SYSWRITE) {
1651 offset = SvIVx(*++MARK);
1654 DIE(aTHX_ "Offset outside string");
1656 } else if (offset >= blen && blen > 0)
1657 DIE(aTHX_ "Offset outside string");
1660 if (length > blen - offset)
1661 length = blen - offset;
1662 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1663 if (IoTYPE(io) == 's') {
1664 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1665 buffer+offset, length, 0);
1670 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1671 buffer+offset, length);
1675 else if (SP > MARK) {
1678 sockbuf = SvPVx(*++MARK, mlen);
1679 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1680 (struct sockaddr *)sockbuf, mlen);
1683 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1687 DIE(aTHX_ PL_no_sock_func, "send");
1702 return pp_sysread();
1714 gv = PL_last_in_gv = (GV*)POPs;
1716 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1718 XPUSHs(SvTIED_obj((SV*)gv, mg));
1721 call_method("EOF", G_SCALAR);
1727 PUSHs(boolSV(!gv || do_eof(gv)));
1740 gv = PL_last_in_gv = (GV*)POPs;
1742 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1744 XPUSHs(SvTIED_obj((SV*)gv, mg));
1747 call_method("TELL", G_SCALAR);
1753 PUSHi( do_tell(gv) );
1759 return pp_sysseek();
1767 Off_t offset = POPl;
1770 gv = PL_last_in_gv = (GV*)POPs;
1772 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1774 XPUSHs(SvTIED_obj((SV*)gv, mg));
1775 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1776 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1779 call_method("SEEK", G_SCALAR);
1785 if (PL_op->op_type == OP_SEEK)
1786 PUSHs(boolSV(do_seek(gv, offset, whence)));
1788 Off_t n = do_sysseek(gv, offset, whence);
1789 PUSHs((n < 0) ? &PL_sv_undef
1790 : sv_2mortal(n ? newSViv((IV)n)
1791 : newSVpvn(zero_but_true, ZBTLEN)));
1799 Off_t len = (Off_t)POPn;
1805 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1806 if (PL_op->op_flags & OPf_SPECIAL) {
1807 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1809 TAINT_PROPER("truncate");
1810 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1812 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1814 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1823 if (SvTYPE(sv) == SVt_PVGV) {
1824 tmpgv = (GV*)sv; /* *main::FRED for example */
1827 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1828 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1832 name = SvPV(sv, n_a);
1833 TAINT_PROPER("truncate");
1835 if (truncate(name, len) < 0)
1840 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1843 if (my_chsize(tmpfd, len) < 0)
1845 PerlLIO_close(tmpfd);
1854 SETERRNO(EBADF,RMS$_IFI);
1857 DIE(aTHX_ "truncate not implemented");
1870 unsigned int func = U_I(POPn);
1871 int optype = PL_op->op_type;
1877 if (!io || !argsv || !IoIFP(io)) {
1878 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1882 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1885 s = SvPV_force(argsv, len);
1886 need = IOCPARM_LEN(func);
1888 s = Sv_Grow(argsv, need + 1);
1889 SvCUR_set(argsv, need);
1892 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1895 retval = SvIV(argsv);
1896 s = (char*)retval; /* ouch */
1899 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1901 if (optype == OP_IOCTL)
1903 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1905 DIE(aTHX_ "ioctl is not implemented");
1909 #if defined(OS2) && defined(__EMX__)
1910 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1912 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1915 DIE(aTHX_ "fcntl is not implemented");
1919 if (s[SvCUR(argsv)] != 17)
1920 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1921 PL_op_name[optype]);
1922 s[SvCUR(argsv)] = 0; /* put our null back */
1923 SvSETMAGIC(argsv); /* Assume it has changed */
1932 PUSHp(zero_but_true, ZBTLEN);
1952 fp = IoIFP(GvIOp(gv));
1956 (void)PerlIO_flush(fp);
1957 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1964 DIE(aTHX_ PL_no_func, "flock()");
1976 int protocol = POPi;
1984 SETERRNO(EBADF,LIB$_INVARG);
1990 do_close(gv, FALSE);
1992 TAINT_PROPER("socket");
1993 fd = PerlSock_socket(domain, type, protocol);
1996 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1997 IoOFP(io) = PerlIO_fdopen(fd, "w");
1999 if (!IoIFP(io) || !IoOFP(io)) {
2000 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2001 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2002 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2008 DIE(aTHX_ PL_no_sock_func, "socket");
2015 #ifdef HAS_SOCKETPAIR
2020 int protocol = POPi;
2033 do_close(gv1, FALSE);
2035 do_close(gv2, FALSE);
2037 TAINT_PROPER("socketpair");
2038 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2040 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2041 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2043 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2044 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2046 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2047 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2048 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2049 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2050 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2051 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2052 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2058 DIE(aTHX_ PL_no_sock_func, "socketpair");
2066 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2067 extern GETPRIVMODE();
2068 extern GETUSERMODE();
2073 register IO *io = GvIOn(gv);
2077 int mpeprivmode = 0;
2080 if (!io || !IoIFP(io))
2083 addr = SvPV(addrsv, len);
2084 TAINT_PROPER("bind");
2085 #ifdef MPE /* Deal with MPE bind() peculiarities */
2086 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2087 /* The address *MUST* stupidly be zero. */
2088 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2089 /* PRIV mode is required to bind() to ports < 1024. */
2090 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2091 ((struct sockaddr_in *)addr)->sin_port > 0) {
2092 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2097 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2098 (struct sockaddr *)addr, len) >= 0)
2101 #ifdef MPE /* Switch back to USER mode */
2112 if (ckWARN(WARN_CLOSED))
2113 Perl_warner(aTHX_ WARN_CLOSED, "bind() on closed fd");
2114 SETERRNO(EBADF,SS$_IVCHAN);
2117 DIE(aTHX_ PL_no_sock_func, "bind");
2128 register IO *io = GvIOn(gv);
2131 if (!io || !IoIFP(io))
2134 addr = SvPV(addrsv, len);
2135 TAINT_PROPER("connect");
2136 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2142 if (ckWARN(WARN_CLOSED))
2143 Perl_warner(aTHX_ WARN_CLOSED, "connect() on closed fd");
2144 SETERRNO(EBADF,SS$_IVCHAN);
2147 DIE(aTHX_ PL_no_sock_func, "connect");
2157 register IO *io = GvIOn(gv);
2159 if (!io || !IoIFP(io))
2162 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2168 if (ckWARN(WARN_CLOSED))
2169 Perl_warner(aTHX_ WARN_CLOSED, "listen() on closed fd");
2170 SETERRNO(EBADF,SS$_IVCHAN);
2173 DIE(aTHX_ PL_no_sock_func, "listen");
2185 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2186 Sock_size_t len = sizeof saddr;
2198 if (!gstio || !IoIFP(gstio))
2203 do_close(ngv, FALSE);
2205 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2208 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2209 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2210 IoTYPE(nstio) = 's';
2211 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2212 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2213 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2214 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2218 PUSHp((char *)&saddr, len);
2222 if (ckWARN(WARN_CLOSED))
2223 Perl_warner(aTHX_ WARN_CLOSED, "accept() on closed fd");
2224 SETERRNO(EBADF,SS$_IVCHAN);
2230 DIE(aTHX_ PL_no_sock_func, "accept");
2240 register IO *io = GvIOn(gv);
2242 if (!io || !IoIFP(io))
2245 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2249 if (ckWARN(WARN_CLOSED))
2250 Perl_warner(aTHX_ WARN_CLOSED, "shutdown() on closed fd");
2251 SETERRNO(EBADF,SS$_IVCHAN);
2254 DIE(aTHX_ PL_no_sock_func, "shutdown");
2261 return pp_ssockopt();
2263 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2271 int optype = PL_op->op_type;
2274 unsigned int optname;
2280 if (optype == OP_GSOCKOPT)
2281 sv = sv_2mortal(NEWSV(22, 257));
2284 optname = (unsigned int) POPi;
2285 lvl = (unsigned int) POPi;
2289 if (!io || !IoIFP(io))
2292 fd = PerlIO_fileno(IoIFP(io));
2296 (void)SvPOK_only(sv);
2300 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2315 aint = (int)SvIV(sv);
2319 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2328 if (ckWARN(WARN_CLOSED))
2329 Perl_warner(aTHX_ WARN_CLOSED, "[gs]etsockopt() on closed fd");
2330 SETERRNO(EBADF,SS$_IVCHAN);
2335 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2342 return pp_getpeername();
2344 DIE(aTHX_ PL_no_sock_func, "getsockname");
2352 int optype = PL_op->op_type;
2356 register IO *io = GvIOn(gv);
2359 if (!io || !IoIFP(io))
2362 sv = sv_2mortal(NEWSV(22, 257));
2363 (void)SvPOK_only(sv);
2367 fd = PerlIO_fileno(IoIFP(io));
2369 case OP_GETSOCKNAME:
2370 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2373 case OP_GETPEERNAME:
2374 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2376 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2378 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2379 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2380 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2381 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2382 sizeof(u_short) + sizeof(struct in_addr))) {
2389 #ifdef BOGUS_GETNAME_RETURN
2390 /* Interactive Unix, getpeername() and getsockname()
2391 does not return valid namelen */
2392 if (len == BOGUS_GETNAME_RETURN)
2393 len = sizeof(struct sockaddr);
2401 if (ckWARN(WARN_CLOSED))
2402 Perl_warner(aTHX_ WARN_CLOSED, "get{sock, peer}name() on closed fd");
2403 SETERRNO(EBADF,SS$_IVCHAN);
2408 DIE(aTHX_ PL_no_sock_func, "getpeername");
2427 if (PL_op->op_flags & OPf_REF) {
2428 tmpgv = cGVOP->op_gv;
2430 if (tmpgv != PL_defgv) {
2431 PL_laststype = OP_STAT;
2433 sv_setpv(PL_statname, "");
2434 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2435 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2437 if (PL_laststatval < 0)
2442 if (SvTYPE(sv) == SVt_PVGV) {
2446 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2447 tmpgv = (GV*)SvRV(sv);
2450 sv_setpv(PL_statname, SvPV(sv,n_a));
2453 PL_laststype = PL_op->op_type;
2454 if (PL_op->op_type == OP_LSTAT)
2455 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2458 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2459 if (PL_laststatval < 0) {
2460 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2461 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2467 if (gimme != G_ARRAY) {
2468 if (gimme != G_VOID)
2469 XPUSHs(boolSV(max));
2475 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2476 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2477 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2478 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2479 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2480 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2481 #ifdef USE_STAT_RDEV
2482 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2484 PUSHs(sv_2mortal(newSVpvn("", 0)));
2486 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2488 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2489 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2490 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2492 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2493 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2494 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2496 #ifdef USE_STAT_BLOCKS
2497 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2498 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2500 PUSHs(sv_2mortal(newSVpvn("", 0)));
2501 PUSHs(sv_2mortal(newSVpvn("", 0)));
2511 #if defined(HAS_ACCESS) && defined(R_OK)
2513 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2514 result = access(TOPpx, R_OK);
2529 if (cando(S_IRUSR, 0, &PL_statcache))
2538 #if defined(HAS_ACCESS) && defined(W_OK)
2540 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2541 result = access(TOPpx, W_OK);
2556 if (cando(S_IWUSR, 0, &PL_statcache))
2565 #if defined(HAS_ACCESS) && defined(X_OK)
2567 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2568 result = access(TOPpx, X_OK);
2583 if (cando(S_IXUSR, 0, &PL_statcache))
2592 #ifdef PERL_EFF_ACCESS_R_OK
2594 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2595 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2610 if (cando(S_IRUSR, 1, &PL_statcache))
2619 #ifdef PERL_EFF_ACCESS_W_OK
2621 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2622 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2637 if (cando(S_IWUSR, 1, &PL_statcache))
2646 #ifdef PERL_EFF_ACCESS_X_OK
2648 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2649 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2664 if (cando(S_IXUSR, 1, &PL_statcache))
2671 I32 result = my_stat();
2680 return pp_ftrowned();
2685 I32 result = my_stat();
2689 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2696 I32 result = my_stat();
2700 if (!PL_statcache.st_size)
2707 I32 result = my_stat();
2711 PUSHi(PL_statcache.st_size);
2717 I32 result = my_stat();
2721 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2727 I32 result = my_stat();
2731 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2737 I32 result = my_stat();
2741 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2747 I32 result = my_stat();
2751 if (S_ISSOCK(PL_statcache.st_mode))
2758 I32 result = my_stat();
2762 if (S_ISCHR(PL_statcache.st_mode))
2769 I32 result = my_stat();
2773 if (S_ISBLK(PL_statcache.st_mode))
2780 I32 result = my_stat();
2784 if (S_ISREG(PL_statcache.st_mode))
2791 I32 result = my_stat();
2795 if (S_ISDIR(PL_statcache.st_mode))
2802 I32 result = my_stat();
2806 if (S_ISFIFO(PL_statcache.st_mode))
2813 I32 result = my_lstat();
2817 if (S_ISLNK(PL_statcache.st_mode))
2826 I32 result = my_stat();
2830 if (PL_statcache.st_mode & S_ISUID)
2840 I32 result = my_stat();
2844 if (PL_statcache.st_mode & S_ISGID)
2854 I32 result = my_stat();
2858 if (PL_statcache.st_mode & S_ISVTX)
2869 char *tmps = Nullch;
2872 if (PL_op->op_flags & OPf_REF)
2874 else if (isGV(TOPs))
2876 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2877 gv = (GV*)SvRV(POPs);
2879 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2881 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2882 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2883 else if (tmps && isDIGIT(*tmps))
2887 if (PerlLIO_isatty(fd))
2892 #if defined(atarist) /* this will work with atariST. Configure will
2893 make guesses for other systems. */
2894 # define FILE_base(f) ((f)->_base)
2895 # define FILE_ptr(f) ((f)->_ptr)
2896 # define FILE_cnt(f) ((f)->_cnt)
2897 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2907 register STDCHAR *s;
2913 if (PL_op->op_flags & OPf_REF)
2915 else if (isGV(TOPs))
2917 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2918 gv = (GV*)SvRV(POPs);
2924 if (gv == PL_defgv) {
2926 io = GvIO(PL_statgv);
2929 goto really_filename;
2934 PL_laststatval = -1;
2935 sv_setpv(PL_statname, "");
2936 io = GvIO(PL_statgv);
2938 if (io && IoIFP(io)) {
2939 if (! PerlIO_has_base(IoIFP(io)))
2940 DIE(aTHX_ "-T and -B not implemented on filehandles");
2941 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2942 if (PL_laststatval < 0)
2944 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2945 if (PL_op->op_type == OP_FTTEXT)
2949 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2950 i = PerlIO_getc(IoIFP(io));
2952 (void)PerlIO_ungetc(IoIFP(io),i);
2954 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2956 len = PerlIO_get_bufsiz(IoIFP(io));
2957 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2958 /* sfio can have large buffers - limit to 512 */
2963 if (ckWARN(WARN_UNOPENED))
2964 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
2965 GvENAME(cGVOP->op_gv));
2966 SETERRNO(EBADF,RMS$_IFI);
2974 PL_laststatval = -1;
2975 sv_setpv(PL_statname, SvPV(sv, n_a));
2977 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2979 i = PerlLIO_open(SvPV(sv, n_a), 0);
2982 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2983 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
2986 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2987 if (PL_laststatval < 0)
2989 len = PerlLIO_read(i, tbuf, 512);
2990 (void)PerlLIO_close(i);
2992 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2993 RETPUSHNO; /* special case NFS directories */
2994 RETPUSHYES; /* null file is anything */
2999 /* now scan s to look for textiness */
3000 /* XXX ASCII dependent code */
3002 for (i = 0; i < len; i++, s++) {
3003 if (!*s) { /* null never allowed in text */
3008 else if (!(isPRINT(*s) || isSPACE(*s)))
3014 *s != '\n' && *s != '\r' && *s != '\b' &&
3015 *s != '\t' && *s != '\f' && *s != 27)
3020 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3044 if (!tmps || !*tmps) {
3045 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3047 tmps = SvPV(*svp, n_a);
3049 if (!tmps || !*tmps) {
3050 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3052 tmps = SvPV(*svp, n_a);
3055 if (!tmps || !*tmps) {
3056 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3058 tmps = SvPV(*svp, n_a);
3061 TAINT_PROPER("chdir");
3062 PUSHi( PerlDir_chdir(tmps) >= 0 );
3064 /* Clear the DEFAULT element of ENV so we'll get the new value
3066 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3073 djSP; dMARK; dTARGET;
3076 value = (I32)apply(PL_op->op_type, MARK, SP);
3081 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3092 TAINT_PROPER("chroot");
3093 PUSHi( chroot(tmps) >= 0 );
3096 DIE(aTHX_ PL_no_func, "chroot");
3102 djSP; dMARK; dTARGET;
3104 value = (I32)apply(PL_op->op_type, MARK, SP);
3112 djSP; dMARK; dTARGET;
3114 value = (I32)apply(PL_op->op_type, MARK, SP);
3122 djSP; dMARK; dTARGET;
3124 value = (I32)apply(PL_op->op_type, MARK, SP);
3136 char *tmps2 = POPpx;
3137 char *tmps = SvPV(TOPs, n_a);
3138 TAINT_PROPER("rename");
3140 anum = PerlLIO_rename(tmps, tmps2);
3142 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3143 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3146 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3147 (void)UNLINK(tmps2);
3148 if (!(anum = link(tmps, tmps2)))
3149 anum = UNLINK(tmps);
3162 char *tmps2 = POPpx;
3163 char *tmps = SvPV(TOPs, n_a);
3164 TAINT_PROPER("link");
3165 SETi( link(tmps, tmps2) >= 0 );
3167 DIE(aTHX_ PL_no_func, "Unsupported function link");
3177 char *tmps2 = POPpx;
3178 char *tmps = SvPV(TOPs, n_a);
3179 TAINT_PROPER("symlink");
3180 SETi( symlink(tmps, tmps2) >= 0 );
3183 DIE(aTHX_ PL_no_func, "symlink");
3192 char buf[MAXPATHLEN];
3196 #ifndef INCOMPLETE_TAINTS
3200 len = readlink(tmps, buf, sizeof buf);
3208 RETSETUNDEF; /* just pretend it's a normal file */
3212 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3214 S_dooneliner(pTHX_ char *cmd, char *filename)
3216 char *save_filename = filename;
3222 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3223 strcpy(cmdline, cmd);
3224 strcat(cmdline, " ");
3225 for (s = cmdline + strlen(cmdline); *filename; ) {
3230 myfp = PerlProc_popen(cmdline, "r");
3234 SV *tmpsv = sv_newmortal();
3235 /* Need to save/restore 'PL_rs' ?? */
3236 s = sv_gets(tmpsv, myfp, 0);
3237 (void)PerlProc_pclose(myfp);
3241 #ifdef HAS_SYS_ERRLIST
3246 /* you don't see this */
3248 #ifdef HAS_SYS_ERRLIST
3256 if (instr(s, errmsg)) {
3263 #define EACCES EPERM
3265 if (instr(s, "cannot make"))
3266 SETERRNO(EEXIST,RMS$_FEX);
3267 else if (instr(s, "existing file"))
3268 SETERRNO(EEXIST,RMS$_FEX);
3269 else if (instr(s, "ile exists"))
3270 SETERRNO(EEXIST,RMS$_FEX);
3271 else if (instr(s, "non-exist"))
3272 SETERRNO(ENOENT,RMS$_FNF);
3273 else if (instr(s, "does not exist"))
3274 SETERRNO(ENOENT,RMS$_FNF);
3275 else if (instr(s, "not empty"))
3276 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3277 else if (instr(s, "cannot access"))
3278 SETERRNO(EACCES,RMS$_PRV);
3280 SETERRNO(EPERM,RMS$_PRV);
3283 else { /* some mkdirs return no failure indication */
3284 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3285 if (PL_op->op_type == OP_RMDIR)
3290 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3307 char *tmps = SvPV(TOPs, n_a);
3309 TAINT_PROPER("mkdir");
3311 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3313 SETi( dooneliner("mkdir", tmps) );
3314 oldumask = PerlLIO_umask(0);
3315 PerlLIO_umask(oldumask);
3316 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3328 TAINT_PROPER("rmdir");
3330 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3332 XPUSHi( dooneliner("rmdir", tmps) );
3337 /* Directory calls. */
3342 #if defined(Direntry_t) && defined(HAS_READDIR)
3344 char *dirname = POPpx;
3346 register IO *io = GvIOn(gv);
3352 PerlDir_close(IoDIRP(io));
3353 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3359 SETERRNO(EBADF,RMS$_DIR);
3362 DIE(aTHX_ PL_no_dir_func, "opendir");
3369 #if defined(Direntry_t) && defined(HAS_READDIR)
3371 Direntry_t *readdir (DIR *);
3373 register Direntry_t *dp;
3375 register IO *io = GvIOn(gv);
3378 if (!io || !IoDIRP(io))
3381 if (GIMME == G_ARRAY) {
3383 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3385 sv = newSVpvn(dp->d_name, dp->d_namlen);
3387 sv = newSVpv(dp->d_name, 0);
3389 #ifndef INCOMPLETE_TAINTS
3392 XPUSHs(sv_2mortal(sv));
3396 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3399 sv = newSVpvn(dp->d_name, dp->d_namlen);
3401 sv = newSVpv(dp->d_name, 0);
3403 #ifndef INCOMPLETE_TAINTS
3406 XPUSHs(sv_2mortal(sv));
3412 SETERRNO(EBADF,RMS$_ISI);
3413 if (GIMME == G_ARRAY)
3418 DIE(aTHX_ PL_no_dir_func, "readdir");
3425 #if defined(HAS_TELLDIR) || defined(telldir)
3426 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3427 /* XXX netbsd still seemed to.
3428 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3429 --JHI 1999-Feb-02 */
3430 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3431 long telldir (DIR *);
3434 register IO *io = GvIOn(gv);
3436 if (!io || !IoDIRP(io))
3439 PUSHi( PerlDir_tell(IoDIRP(io)) );
3443 SETERRNO(EBADF,RMS$_ISI);
3446 DIE(aTHX_ PL_no_dir_func, "telldir");
3453 #if defined(HAS_SEEKDIR) || defined(seekdir)
3456 register IO *io = GvIOn(gv);
3458 if (!io || !IoDIRP(io))
3461 (void)PerlDir_seek(IoDIRP(io), along);
3466 SETERRNO(EBADF,RMS$_ISI);
3469 DIE(aTHX_ PL_no_dir_func, "seekdir");
3476 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3478 register IO *io = GvIOn(gv);
3480 if (!io || !IoDIRP(io))
3483 (void)PerlDir_rewind(IoDIRP(io));
3487 SETERRNO(EBADF,RMS$_ISI);
3490 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3497 #if defined(Direntry_t) && defined(HAS_READDIR)
3499 register IO *io = GvIOn(gv);
3501 if (!io || !IoDIRP(io))
3504 #ifdef VOID_CLOSEDIR
3505 PerlDir_close(IoDIRP(io));
3507 if (PerlDir_close(IoDIRP(io)) < 0) {
3508 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3517 SETERRNO(EBADF,RMS$_IFI);
3520 DIE(aTHX_ PL_no_dir_func, "closedir");
3524 /* Process control. */
3534 PERL_FLUSHALL_FOR_CHILD;
3540 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3541 sv_setiv(GvSV(tmpgv), (IV)getpid());
3542 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3547 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3553 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3558 childpid = wait4pid(-1, &argflags, 0);
3559 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3563 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3569 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3577 childpid = wait4pid(childpid, &argflags, optype);
3578 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3582 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3588 djSP; dMARK; dORIGMARK; dTARGET;
3593 Sigsave_t ihand,qhand; /* place to save signals during system() */
3598 if (SP - MARK == 1) {
3600 char *junk = SvPV(TOPs, n_a);
3602 TAINT_PROPER("system");
3605 PERL_FLUSHALL_FOR_CHILD;
3606 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3607 if (PerlProc_pipe(pp) >= 0)
3609 while ((childpid = vfork()) == -1) {
3610 if (errno != EAGAIN) {
3615 PerlLIO_close(pp[0]);
3616 PerlLIO_close(pp[1]);
3624 PerlLIO_close(pp[1]);
3625 rsignal_save(SIGINT, SIG_IGN, &ihand);
3626 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3628 result = wait4pid(childpid, &status, 0);
3629 } while (result == -1 && errno == EINTR);
3630 (void)rsignal_restore(SIGINT, &ihand);
3631 (void)rsignal_restore(SIGQUIT, &qhand);
3632 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3633 do_execfree(); /* free any memory child malloced on vfork */
3639 while (n < sizeof(int)) {
3640 n1 = PerlLIO_read(pp[0],
3641 (void*)(((char*)&errkid)+n),
3647 PerlLIO_close(pp[0]);
3648 if (n) { /* Error */
3649 if (n != sizeof(int))
3650 Perl_croak(aTHX_ "panic: kid popen errno read");
3651 errno = errkid; /* Propagate errno from kid */
3652 STATUS_CURRENT = -1;
3655 PUSHi(STATUS_CURRENT);
3659 PerlLIO_close(pp[0]);
3660 #if defined(HAS_FCNTL) && defined(F_SETFD)
3661 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3664 if (PL_op->op_flags & OPf_STACKED) {
3665 SV *really = *++MARK;
3666 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3668 else if (SP - MARK != 1)
3669 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3671 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3674 #else /* ! FORK or VMS or OS/2 */
3675 if (PL_op->op_flags & OPf_STACKED) {
3676 SV *really = *++MARK;
3677 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3679 else if (SP - MARK != 1)
3680 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3682 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3684 STATUS_NATIVE_SET(value);
3687 PUSHi(STATUS_CURRENT);
3688 #endif /* !FORK or VMS */
3694 djSP; dMARK; dORIGMARK; dTARGET;
3698 PERL_FLUSHALL_FOR_CHILD;
3699 if (PL_op->op_flags & OPf_STACKED) {
3700 SV *really = *++MARK;
3701 value = (I32)do_aexec(really, MARK, SP);
3703 else if (SP - MARK != 1)
3705 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3709 (void ) do_aspawn(Nullsv, MARK, SP);
3713 value = (I32)do_aexec(Nullsv, MARK, SP);
3718 char *junk = SvPV(*SP, n_a);
3720 TAINT_PROPER("exec");
3723 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3726 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3729 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3740 djSP; dMARK; dTARGET;
3743 value = (I32)apply(PL_op->op_type, MARK, SP);
3748 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3756 XPUSHi( getppid() );
3759 DIE(aTHX_ PL_no_func, "getppid");
3775 value = (I32)BSD_GETPGRP(pid);
3777 if (pid != 0 && pid != getpid())
3778 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3779 value = (I32)getpgrp();
3784 DIE(aTHX_ PL_no_func, "getpgrp()");
3803 TAINT_PROPER("setpgrp");
3805 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3807 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3808 DIE(aTHX_ "POSIX setpgrp can't take an argument");
3809 SETi( setpgrp() >= 0 );
3810 #endif /* USE_BSDPGRP */
3813 DIE(aTHX_ PL_no_func, "setpgrp()");
3822 #ifdef HAS_GETPRIORITY
3825 SETi( getpriority(which, who) );
3828 DIE(aTHX_ PL_no_func, "getpriority()");
3838 #ifdef HAS_SETPRIORITY
3842 TAINT_PROPER("setpriority");
3843 SETi( setpriority(which, who, niceval) >= 0 );
3846 DIE(aTHX_ PL_no_func, "setpriority()");
3856 XPUSHn( time(Null(Time_t*)) );
3858 XPUSHi( time(Null(Time_t*)) );
3863 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3864 to HZ. Probably. For now, assume that if the system
3865 defines HZ, it does so correctly. (Will this break
3867 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3868 it's supported. --AD 9/96.
3884 DIE(aTHX_ "times not implemented");
3889 (void)PerlProc_times(&PL_timesbuf);
3891 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3892 /* struct tms, though same data */
3896 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
3897 if (GIMME == G_ARRAY) {
3898 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
3899 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
3900 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
3903 #endif /* HAS_TIMES */
3916 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3917 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3918 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3924 when = (Time_t)SvNVx(POPs);
3926 when = (Time_t)SvIVx(POPs);
3929 if (PL_op->op_type == OP_LOCALTIME)
3930 tmbuf = localtime(&when);
3932 tmbuf = gmtime(&when);
3936 if (GIMME != G_ARRAY) {
3941 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
3942 dayname[tmbuf->tm_wday],
3943 monname[tmbuf->tm_mon],
3948 tmbuf->tm_year + 1900);
3949 PUSHs(sv_2mortal(tsv));
3952 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3953 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3954 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3955 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3956 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3957 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3958 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3959 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3960 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3971 anum = alarm((unsigned int)anum);
3978 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
3989 (void)time(&lasttime);
3994 PerlProc_sleep((unsigned int)duration);
3997 XPUSHi(when - lasttime);
4001 /* Shared memory. */
4015 return pp_shmwrite();
4020 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4021 djSP; dMARK; dTARGET;
4022 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4031 /* Message passing. */
4045 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4046 djSP; dMARK; dTARGET;
4047 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4058 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4059 djSP; dMARK; dTARGET;
4060 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4073 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4074 djSP; dMARK; dTARGET;
4075 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4082 DIE(aTHX_ "System V IPC is not implemented on this machine");
4088 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4089 djSP; dMARK; dTARGET;
4090 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4098 PUSHp(zero_but_true, ZBTLEN);
4108 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4109 djSP; dMARK; dTARGET;
4110 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4119 /* Get system info. */
4123 #ifdef HAS_GETHOSTBYNAME
4124 return pp_ghostent();
4126 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4132 #ifdef HAS_GETHOSTBYADDR
4133 return pp_ghostent();
4135 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4142 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4143 I32 which = PL_op->op_type;
4144 register char **elem;
4146 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4147 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4148 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4149 struct hostent *PerlSock_gethostent(void);
4151 struct hostent *hent;
4156 if (which == OP_GHBYNAME)
4157 #ifdef HAS_GETHOSTBYNAME
4158 hent = PerlSock_gethostbyname(POPpx);
4160 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4162 else if (which == OP_GHBYADDR) {
4163 #ifdef HAS_GETHOSTBYADDR
4164 int addrtype = POPi;
4167 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4169 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4171 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4175 #ifdef HAS_GETHOSTENT
4176 hent = PerlSock_gethostent();
4178 DIE(aTHX_ PL_no_sock_func, "gethostent");
4181 #ifdef HOST_NOT_FOUND
4183 STATUS_NATIVE_SET(h_errno);
4186 if (GIMME != G_ARRAY) {
4187 PUSHs(sv = sv_newmortal());
4189 if (which == OP_GHBYNAME) {
4191 sv_setpvn(sv, hent->h_addr, hent->h_length);
4194 sv_setpv(sv, (char*)hent->h_name);
4200 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4201 sv_setpv(sv, (char*)hent->h_name);
4202 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4203 for (elem = hent->h_aliases; elem && *elem; elem++) {
4204 sv_catpv(sv, *elem);
4206 sv_catpvn(sv, " ", 1);
4208 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4209 sv_setiv(sv, (IV)hent->h_addrtype);
4210 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4211 len = hent->h_length;
4212 sv_setiv(sv, (IV)len);
4214 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4215 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4216 sv_setpvn(sv, *elem, len);
4219 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4221 sv_setpvn(sv, hent->h_addr, len);
4226 DIE(aTHX_ PL_no_sock_func, "gethostent");
4232 #ifdef HAS_GETNETBYNAME
4233 return pp_gnetent();
4235 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4241 #ifdef HAS_GETNETBYADDR
4242 return pp_gnetent();
4244 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4251 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4252 I32 which = PL_op->op_type;
4253 register char **elem;
4255 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4256 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4257 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4258 struct netent *PerlSock_getnetent(void);
4260 struct netent *nent;
4263 if (which == OP_GNBYNAME)
4264 #ifdef HAS_GETNETBYNAME
4265 nent = PerlSock_getnetbyname(POPpx);
4267 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4269 else if (which == OP_GNBYADDR) {
4270 #ifdef HAS_GETNETBYADDR
4271 int addrtype = POPi;
4272 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4273 nent = PerlSock_getnetbyaddr(addr, addrtype);
4275 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4279 #ifdef HAS_GETNETENT
4280 nent = PerlSock_getnetent();
4282 DIE(aTHX_ PL_no_sock_func, "getnetent");
4286 if (GIMME != G_ARRAY) {
4287 PUSHs(sv = sv_newmortal());
4289 if (which == OP_GNBYNAME)
4290 sv_setiv(sv, (IV)nent->n_net);
4292 sv_setpv(sv, nent->n_name);
4298 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4299 sv_setpv(sv, nent->n_name);
4300 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4301 for (elem = nent->n_aliases; elem && *elem; elem++) {
4302 sv_catpv(sv, *elem);
4304 sv_catpvn(sv, " ", 1);
4306 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4307 sv_setiv(sv, (IV)nent->n_addrtype);
4308 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4309 sv_setiv(sv, (IV)nent->n_net);
4314 DIE(aTHX_ PL_no_sock_func, "getnetent");
4320 #ifdef HAS_GETPROTOBYNAME
4321 return pp_gprotoent();
4323 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4329 #ifdef HAS_GETPROTOBYNUMBER
4330 return pp_gprotoent();
4332 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4339 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4340 I32 which = PL_op->op_type;
4341 register char **elem;
4343 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4344 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4345 struct protoent *PerlSock_getprotobynumber(int);
4346 struct protoent *PerlSock_getprotoent(void);
4348 struct protoent *pent;
4351 if (which == OP_GPBYNAME)
4352 #ifdef HAS_GETPROTOBYNAME
4353 pent = PerlSock_getprotobyname(POPpx);
4355 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4357 else if (which == OP_GPBYNUMBER)
4358 #ifdef HAS_GETPROTOBYNUMBER
4359 pent = PerlSock_getprotobynumber(POPi);
4361 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4364 #ifdef HAS_GETPROTOENT
4365 pent = PerlSock_getprotoent();
4367 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4371 if (GIMME != G_ARRAY) {
4372 PUSHs(sv = sv_newmortal());
4374 if (which == OP_GPBYNAME)
4375 sv_setiv(sv, (IV)pent->p_proto);
4377 sv_setpv(sv, pent->p_name);
4383 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4384 sv_setpv(sv, pent->p_name);
4385 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4386 for (elem = pent->p_aliases; elem && *elem; elem++) {
4387 sv_catpv(sv, *elem);
4389 sv_catpvn(sv, " ", 1);
4391 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4392 sv_setiv(sv, (IV)pent->p_proto);
4397 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4403 #ifdef HAS_GETSERVBYNAME
4404 return pp_gservent();
4406 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4412 #ifdef HAS_GETSERVBYPORT
4413 return pp_gservent();
4415 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4422 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4423 I32 which = PL_op->op_type;
4424 register char **elem;
4426 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4427 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4428 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4429 struct servent *PerlSock_getservent(void);
4431 struct servent *sent;
4434 if (which == OP_GSBYNAME) {
4435 #ifdef HAS_GETSERVBYNAME
4436 char *proto = POPpx;
4439 if (proto && !*proto)
4442 sent = PerlSock_getservbyname(name, proto);
4444 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4447 else if (which == OP_GSBYPORT) {
4448 #ifdef HAS_GETSERVBYPORT
4449 char *proto = POPpx;
4450 unsigned short port = POPu;
4453 port = PerlSock_htons(port);
4455 sent = PerlSock_getservbyport(port, proto);
4457 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4461 #ifdef HAS_GETSERVENT
4462 sent = PerlSock_getservent();
4464 DIE(aTHX_ PL_no_sock_func, "getservent");
4468 if (GIMME != G_ARRAY) {
4469 PUSHs(sv = sv_newmortal());
4471 if (which == OP_GSBYNAME) {
4473 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4475 sv_setiv(sv, (IV)(sent->s_port));
4479 sv_setpv(sv, sent->s_name);
4485 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4486 sv_setpv(sv, sent->s_name);
4487 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4488 for (elem = sent->s_aliases; elem && *elem; elem++) {
4489 sv_catpv(sv, *elem);
4491 sv_catpvn(sv, " ", 1);
4493 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4495 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4497 sv_setiv(sv, (IV)(sent->s_port));
4499 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4500 sv_setpv(sv, sent->s_proto);
4505 DIE(aTHX_ PL_no_sock_func, "getservent");
4512 #ifdef HAS_SETHOSTENT
4513 PerlSock_sethostent(TOPi);
4516 DIE(aTHX_ PL_no_sock_func, "sethostent");
4523 #ifdef HAS_SETNETENT
4524 PerlSock_setnetent(TOPi);
4527 DIE(aTHX_ PL_no_sock_func, "setnetent");
4534 #ifdef HAS_SETPROTOENT
4535 PerlSock_setprotoent(TOPi);
4538 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4545 #ifdef HAS_SETSERVENT
4546 PerlSock_setservent(TOPi);
4549 DIE(aTHX_ PL_no_sock_func, "setservent");
4556 #ifdef HAS_ENDHOSTENT
4557 PerlSock_endhostent();
4561 DIE(aTHX_ PL_no_sock_func, "endhostent");
4568 #ifdef HAS_ENDNETENT
4569 PerlSock_endnetent();
4573 DIE(aTHX_ PL_no_sock_func, "endnetent");
4580 #ifdef HAS_ENDPROTOENT
4581 PerlSock_endprotoent();
4585 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4592 #ifdef HAS_ENDSERVENT
4593 PerlSock_endservent();
4597 DIE(aTHX_ PL_no_sock_func, "endservent");
4606 DIE(aTHX_ PL_no_func, "getpwnam");
4615 DIE(aTHX_ PL_no_func, "getpwuid");
4622 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4623 I32 which = PL_op->op_type;
4625 struct passwd *pwent;
4627 #if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4628 struct spwd *spwent = NULL;
4631 if (which == OP_GPWNAM)
4632 pwent = getpwnam(POPpx);
4633 else if (which == OP_GPWUID)
4634 pwent = getpwuid(POPi);
4636 pwent = (struct passwd *)getpwent();
4639 if (which == OP_GPWNAM) {
4641 spwent = getspnam(pwent->pw_name);
4643 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4644 else if (which == OP_GPWUID) {
4646 spwent = getspnam(pwent->pw_name);
4649 # ifdef HAS_GETSPENT
4651 spwent = (struct spwd *)getspent();
4656 if (GIMME != G_ARRAY) {
4657 PUSHs(sv = sv_newmortal());
4659 if (which == OP_GPWNAM)
4660 sv_setiv(sv, (IV)pwent->pw_uid);
4662 sv_setpv(sv, pwent->pw_name);
4668 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4669 sv_setpv(sv, pwent->pw_name);
4671 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4673 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4675 sv_setpv(sv, spwent->sp_pwdp);
4677 sv_setpv(sv, pwent->pw_passwd);
4679 sv_setpv(sv, pwent->pw_passwd);
4683 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4684 sv_setiv(sv, (IV)pwent->pw_uid);
4686 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4687 sv_setiv(sv, (IV)pwent->pw_gid);
4689 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4690 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4692 sv_setiv(sv, (IV)pwent->pw_change);
4695 sv_setiv(sv, (IV)pwent->pw_quota);
4698 sv_setpv(sv, pwent->pw_age);
4703 /* pw_class and pw_comment are mutually exclusive. */
4704 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4706 sv_setpv(sv, pwent->pw_class);
4709 sv_setpv(sv, pwent->pw_comment);
4713 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4715 sv_setpv(sv, pwent->pw_gecos);
4717 #ifndef INCOMPLETE_TAINTS
4718 /* pw_gecos is tainted because user himself can diddle with it. */
4722 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4723 sv_setpv(sv, pwent->pw_dir);
4725 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4726 sv_setpv(sv, pwent->pw_shell);
4729 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4730 sv_setiv(sv, (IV)pwent->pw_expire);
4735 DIE(aTHX_ PL_no_func, "getpwent");
4742 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN)
4744 # ifdef HAS_SETSPENT
4749 DIE(aTHX_ PL_no_func, "setpwent");
4756 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4758 # ifdef HAS_ENDSPENT
4763 DIE(aTHX_ PL_no_func, "endpwent");
4772 DIE(aTHX_ PL_no_func, "getgrnam");
4781 DIE(aTHX_ PL_no_func, "getgrgid");
4788 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4789 I32 which = PL_op->op_type;
4790 register char **elem;
4792 struct group *grent;
4795 if (which == OP_GGRNAM)
4796 grent = (struct group *)getgrnam(POPpx);
4797 else if (which == OP_GGRGID)
4798 grent = (struct group *)getgrgid(POPi);
4800 grent = (struct group *)getgrent();
4803 if (GIMME != G_ARRAY) {
4804 PUSHs(sv = sv_newmortal());
4806 if (which == OP_GGRNAM)
4807 sv_setiv(sv, (IV)grent->gr_gid);
4809 sv_setpv(sv, grent->gr_name);
4815 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4816 sv_setpv(sv, grent->gr_name);
4818 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4820 sv_setpv(sv, grent->gr_passwd);
4823 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4824 sv_setiv(sv, (IV)grent->gr_gid);
4826 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4827 for (elem = grent->gr_mem; elem && *elem; elem++) {
4828 sv_catpv(sv, *elem);
4830 sv_catpvn(sv, " ", 1);
4836 DIE(aTHX_ PL_no_func, "getgrent");
4843 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4847 DIE(aTHX_ PL_no_func, "setgrent");
4854 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4858 DIE(aTHX_ PL_no_func, "endgrent");
4868 if (!(tmps = PerlProc_getlogin()))
4870 PUSHp(tmps, strlen(tmps));
4873 DIE(aTHX_ PL_no_func, "getlogin");
4877 /* Miscellaneous. */
4882 djSP; dMARK; dORIGMARK; dTARGET;
4883 register I32 items = SP - MARK;
4884 unsigned long a[20];
4891 while (++MARK <= SP) {
4892 if (SvTAINTED(*MARK)) {
4898 TAINT_PROPER("syscall");
4901 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4902 * or where sizeof(long) != sizeof(char*). But such machines will
4903 * not likely have syscall implemented either, so who cares?
4905 while (++MARK <= SP) {
4906 if (SvNIOK(*MARK) || !i)
4907 a[i++] = SvIV(*MARK);
4908 else if (*MARK == &PL_sv_undef)
4911 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4917 DIE(aTHX_ "Too many args to syscall");
4919 DIE(aTHX_ "Too few args to syscall");
4921 retval = syscall(a[0]);
4924 retval = syscall(a[0],a[1]);
4927 retval = syscall(a[0],a[1],a[2]);
4930 retval = syscall(a[0],a[1],a[2],a[3]);
4933 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4936 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4939 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4942 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4946 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4949 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4952 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4956 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4960 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4964 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4965 a[10],a[11],a[12],a[13]);
4967 #endif /* atarist */
4973 DIE(aTHX_ PL_no_func, "syscall");
4977 #ifdef FCNTL_EMULATE_FLOCK
4979 /* XXX Emulate flock() with fcntl().
4980 What's really needed is a good file locking module.
4984 fcntl_emulate_flock(int fd, int operation)
4988 switch (operation & ~LOCK_NB) {
4990 flock.l_type = F_RDLCK;
4993 flock.l_type = F_WRLCK;
4996 flock.l_type = F_UNLCK;
5002 flock.l_whence = SEEK_SET;
5003 flock.l_start = flock.l_len = 0L;
5005 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5008 #endif /* FCNTL_EMULATE_FLOCK */
5010 #ifdef LOCKF_EMULATE_FLOCK
5012 /* XXX Emulate flock() with lockf(). This is just to increase
5013 portability of scripts. The calls are not completely
5014 interchangeable. What's really needed is a good file
5018 /* The lockf() constants might have been defined in <unistd.h>.
5019 Unfortunately, <unistd.h> causes troubles on some mixed
5020 (BSD/POSIX) systems, such as SunOS 4.1.3.
5022 Further, the lockf() constants aren't POSIX, so they might not be
5023 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5024 just stick in the SVID values and be done with it. Sigh.
5028 # define F_ULOCK 0 /* Unlock a previously locked region */
5031 # define F_LOCK 1 /* Lock a region for exclusive use */
5034 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5037 # define F_TEST 3 /* Test a region for other processes locks */
5041 lockf_emulate_flock(int fd, int operation)
5047 /* flock locks entire file so for lockf we need to do the same */
5049 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5050 if (pos > 0) /* is seekable and needs to be repositioned */
5051 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5052 pos = -1; /* seek failed, so don't seek back afterwards */
5055 switch (operation) {
5057 /* LOCK_SH - get a shared lock */
5059 /* LOCK_EX - get an exclusive lock */
5061 i = lockf (fd, F_LOCK, 0);
5064 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5065 case LOCK_SH|LOCK_NB:
5066 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5067 case LOCK_EX|LOCK_NB:
5068 i = lockf (fd, F_TLOCK, 0);
5070 if ((errno == EAGAIN) || (errno == EACCES))
5071 errno = EWOULDBLOCK;
5074 /* LOCK_UN - unlock (non-blocking is a no-op) */
5076 case LOCK_UN|LOCK_NB:
5077 i = lockf (fd, F_ULOCK, 0);
5080 /* Default - can't decipher operation */
5087 if (pos > 0) /* need to restore position of the handle */
5088 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5093 #endif /* LOCKF_EMULATE_FLOCK */