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)) {
819 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 Perl_warner(aTHX_ WARN_UNTIE,
826 "untie attempted while %lu inner references still exist",
827 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
840 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
843 if (mg = SvTIED_mg(sv, how)) {
844 SV *osv = SvTIED_obj(sv, mg);
845 if (osv == mg->mg_obj)
846 osv = sv_mortalcopy(osv);
864 sv = sv_mortalcopy(&PL_sv_no);
865 sv_setpv(sv, "AnyDBM_File");
866 stash = gv_stashsv(sv, FALSE);
867 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
869 require_pv("AnyDBM_File.pm");
871 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
872 DIE(aTHX_ "No dbm on this machine");
882 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
884 PUSHs(sv_2mortal(newSViv(O_RDWR)));
887 call_sv((SV*)GvCV(gv), G_SCALAR);
890 if (!sv_isobject(TOPs)) {
895 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
898 call_sv((SV*)GvCV(gv), G_SCALAR);
902 if (sv_isobject(TOPs)) {
903 sv_unmagic((SV *) hv, 'P');
904 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
926 struct timeval timebuf;
927 struct timeval *tbuf = &timebuf;
931 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
936 # if BYTEORDER & 0xf0000
937 # define ORDERBYTE (0x88888888 - BYTEORDER)
939 # define ORDERBYTE (0x4444 - BYTEORDER)
945 for (i = 1; i <= 3; i++) {
953 /* little endians can use vecs directly */
954 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
955 # if SELECT_MIN_BITS > 1
956 /* If SELECT_MIN_BITS is greater than one we most probably will want
957 * to align the sizes with SELECT_MIN_BITS/8 because for example
958 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
959 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
960 * on (sets/tests/clears bits) is 32 bits. */
961 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
963 growsize = sizeof(fd_set);
972 masksize = NFDBITS / NBBY;
974 masksize = sizeof(long); /* documented int, everyone seems to use long */
976 growsize = maxlen + (masksize - (maxlen % masksize));
977 Zero(&fd_sets[0], 4, char*);
985 timebuf.tv_sec = (long)value;
986 value -= (NV)timebuf.tv_sec;
987 timebuf.tv_usec = (long)(value * 1000000.0);
990 tbuf = Null(struct timeval*);
992 for (i = 1; i <= 3; i++) {
999 SvPV_force(sv,n_a); /* force string conversion */
1002 Sv_Grow(sv, growsize);
1006 while (++j <= growsize) {
1010 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1012 New(403, fd_sets[i], growsize, char);
1013 for (offset = 0; offset < growsize; offset += masksize) {
1014 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1015 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1018 fd_sets[i] = SvPVX(sv);
1022 nfound = PerlSock_select(
1024 (Select_fd_set_t) fd_sets[1],
1025 (Select_fd_set_t) fd_sets[2],
1026 (Select_fd_set_t) fd_sets[3],
1028 for (i = 1; i <= 3; i++) {
1031 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1033 for (offset = 0; offset < growsize; offset += masksize) {
1034 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1035 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1037 Safefree(fd_sets[i]);
1044 if (GIMME == G_ARRAY && tbuf) {
1045 value = (NV)(timebuf.tv_sec) +
1046 (NV)(timebuf.tv_usec) / 1000000.0;
1047 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1048 sv_setnv(sv, value);
1052 DIE(aTHX_ "select not implemented");
1057 Perl_setdefout(pTHX_ GV *gv)
1061 (void)SvREFCNT_inc(gv);
1063 SvREFCNT_dec(PL_defoutgv);
1070 GV *newdefout, *egv;
1073 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1075 egv = GvEGV(PL_defoutgv);
1080 XPUSHs(&PL_sv_undef);
1082 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1083 if (gvp && *gvp == egv) {
1084 gv_efullname3(TARG, PL_defoutgv, Nullch);
1088 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1093 if (!GvIO(newdefout))
1094 gv_IOadd(newdefout);
1095 setdefout(newdefout);
1114 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1115 I32 gimme = GIMME_V;
1117 XPUSHs(SvTIED_obj((SV*)gv, mg));
1120 call_method("GETC", gimme);
1123 if (gimme == G_SCALAR)
1124 SvSetMagicSV_nosteal(TARG, TOPs);
1127 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1130 sv_setpv(TARG, " ");
1131 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1138 return pp_sysread();
1142 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1145 register PERL_CONTEXT *cx;
1146 I32 gimme = GIMME_V;
1147 AV* padlist = CvPADLIST(cv);
1148 SV** svp = AvARRAY(padlist);
1154 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1156 SAVESPTR(PL_curpad);
1157 PL_curpad = AvARRAY((AV*)svp[1]);
1159 setdefout(gv); /* locally select filehandle so $% et al work */
1191 SV *tmpsv = sv_newmortal();
1192 gv_efullname3(tmpsv, fgv, Nullch);
1193 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1195 DIE(aTHX_ "Not a format reference");
1198 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1200 IoFLAGS(io) &= ~IOf_DIDTOP;
1201 return doform(cv,gv,PL_op->op_next);
1207 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1208 register IO *io = GvIOp(gv);
1209 PerlIO *ofp = IoOFP(io);
1213 register PERL_CONTEXT *cx;
1215 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1216 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1217 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1218 PL_formtarget != PL_toptarget)
1222 if (!IoTOP_GV(io)) {
1226 if (!IoTOP_NAME(io)) {
1227 if (!IoFMT_NAME(io))
1228 IoFMT_NAME(io) = savepv(GvNAME(gv));
1229 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1230 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1231 if ((topgv && GvFORM(topgv)) ||
1232 !gv_fetchpv("top",FALSE,SVt_PVFM))
1233 IoTOP_NAME(io) = savepv(SvPVX(topname));
1235 IoTOP_NAME(io) = savepv("top");
1237 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1238 if (!topgv || !GvFORM(topgv)) {
1239 IoLINES_LEFT(io) = 100000000;
1242 IoTOP_GV(io) = topgv;
1244 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1245 I32 lines = IoLINES_LEFT(io);
1246 char *s = SvPVX(PL_formtarget);
1247 if (lines <= 0) /* Yow, header didn't even fit!!! */
1249 while (lines-- > 0) {
1250 s = strchr(s, '\n');
1256 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1257 sv_chop(PL_formtarget, s);
1258 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1261 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1262 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1263 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1265 PL_formtarget = PL_toptarget;
1266 IoFLAGS(io) |= IOf_DIDTOP;
1269 DIE(aTHX_ "bad top format reference");
1272 SV *tmpsv = sv_newmortal();
1273 gv_efullname3(tmpsv, fgv, Nullch);
1274 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1277 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1278 return doform(cv,gv,PL_op);
1282 POPBLOCK(cx,PL_curpm);
1288 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1289 SV* sv = sv_newmortal();
1290 gv_efullname3(sv, gv, Nullch);
1292 Perl_warner(aTHX_ WARN_IO,
1293 "Filehandle %s opened only for input",
1295 else if (ckWARN(WARN_CLOSED))
1296 Perl_warner(aTHX_ WARN_CLOSED,
1297 "Write on closed filehandle %s", SvPV_nolen(sv));
1302 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1303 if (ckWARN(WARN_IO))
1304 Perl_warner(aTHX_ WARN_IO, "page overflow");
1306 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1310 FmLINES(PL_formtarget) = 0;
1311 SvCUR_set(PL_formtarget, 0);
1312 *SvEND(PL_formtarget) = '\0';
1313 if (IoFLAGS(io) & IOf_FLUSH)
1314 (void)PerlIO_flush(fp);
1318 PL_formtarget = PL_bodytarget;
1320 return pop_return();
1325 djSP; dMARK; dORIGMARK;
1333 if (PL_op->op_flags & OPf_STACKED)
1338 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1339 if (MARK == ORIGMARK) {
1342 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1346 *MARK = SvTIED_obj((SV*)gv, mg);
1349 call_method("PRINTF", G_SCALAR);
1352 MARK = ORIGMARK + 1;
1359 if (!(io = GvIO(gv))) {
1360 if (ckWARN(WARN_UNOPENED)) {
1361 gv_efullname3(sv, gv, Nullch);
1362 Perl_warner(aTHX_ WARN_UNOPENED,
1363 "Filehandle %s never opened", SvPV(sv,n_a));
1365 SETERRNO(EBADF,RMS$_IFI);
1368 else if (!(fp = IoOFP(io))) {
1369 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1370 gv_efullname3(sv, gv, Nullch);
1372 Perl_warner(aTHX_ WARN_IO,
1373 "Filehandle %s opened only for input",
1375 else if (ckWARN(WARN_CLOSED))
1376 Perl_warner(aTHX_ WARN_CLOSED,
1377 "printf on closed filehandle %s", SvPV(sv,n_a));
1379 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1383 do_sprintf(sv, SP - MARK, MARK + 1);
1384 if (!do_print(sv, fp))
1387 if (IoFLAGS(io) & IOf_FLUSH)
1388 if (PerlIO_flush(fp) == EOF)
1399 PUSHs(&PL_sv_undef);
1420 /* Need TIEHANDLE method ? */
1422 tmps = SvPV(sv, len);
1423 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1424 IoLINES(GvIOp(gv)) = 0;
1428 PUSHs(&PL_sv_undef);
1435 djSP; dMARK; dORIGMARK; dTARGET;
1441 Sock_size_t bufsize;
1447 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1448 (mg = SvTIED_mg((SV*)gv, 'q')))
1453 *MARK = SvTIED_obj((SV*)gv, mg);
1455 call_method("READ", G_SCALAR);
1468 sv_setpvn(bufsv, "", 0);
1469 buffer = SvPV_force(bufsv, blen);
1470 length = SvIVx(*++MARK);
1472 DIE(aTHX_ "Negative length");
1475 offset = SvIVx(*++MARK);
1479 if (!io || !IoIFP(io))
1482 if (PL_op->op_type == OP_RECV) {
1483 char namebuf[MAXPATHLEN];
1484 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1485 bufsize = sizeof (struct sockaddr_in);
1487 bufsize = sizeof namebuf;
1489 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1493 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1497 buffer = SvGROW(bufsv, length+1);
1498 /* 'offset' means 'flags' here */
1499 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1500 (struct sockaddr *)namebuf, &bufsize);
1503 SvCUR_set(bufsv, length);
1504 *SvEND(bufsv) = '\0';
1505 (void)SvPOK_only(bufsv);
1507 /* This should not be marked tainted if the fp is marked clean */
1508 if (!(IoFLAGS(io) & IOf_UNTAINT))
1509 SvTAINTED_on(bufsv);
1511 sv_setpvn(TARG, namebuf, bufsize);
1516 if (PL_op->op_type == OP_RECV)
1517 DIE(aTHX_ PL_no_sock_func, "recv");
1521 DIE(aTHX_ "Offset outside string");
1524 bufsize = SvCUR(bufsv);
1525 buffer = SvGROW(bufsv, length+offset+1);
1526 if (offset > bufsize) { /* Zero any newly allocated space */
1527 Zero(buffer+bufsize, offset-bufsize, char);
1529 if (PL_op->op_type == OP_SYSREAD) {
1530 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1531 if (IoTYPE(io) == 's') {
1532 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1533 buffer+offset, length, 0);
1538 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1539 buffer+offset, length);
1543 #ifdef HAS_SOCKET__bad_code_maybe
1544 if (IoTYPE(io) == 's') {
1545 char namebuf[MAXPATHLEN];
1546 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1547 bufsize = sizeof (struct sockaddr_in);
1549 bufsize = sizeof namebuf;
1551 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1552 (struct sockaddr *)namebuf, &bufsize);
1557 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1558 /* fread() returns 0 on both error and EOF */
1559 if (length == 0 && PerlIO_error(IoIFP(io)))
1563 if (IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1564 || IoIFP(io) == PerlIO_stderr())
1566 SV* sv = sv_newmortal();
1567 gv_efullname3(sv, gv, Nullch);
1568 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1573 SvCUR_set(bufsv, length+offset);
1574 *SvEND(bufsv) = '\0';
1575 (void)SvPOK_only(bufsv);
1577 /* This should not be marked tainted if the fp is marked clean */
1578 if (!(IoFLAGS(io) & IOf_UNTAINT))
1579 SvTAINTED_on(bufsv);
1592 int items = (SP - PL_stack_base) - TOPMARK;
1596 sv = sv_2mortal(newSViv(sv_len(*SP)));
1605 djSP; dMARK; dORIGMARK; dTARGET;
1616 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1620 *MARK = SvTIED_obj((SV*)gv, mg);
1622 call_method("WRITE", G_SCALAR);
1633 buffer = SvPV(bufsv, blen);
1634 length = SvIVx(*++MARK);
1636 DIE(aTHX_ "Negative length");
1639 if (!io || !IoIFP(io)) {
1641 if (ckWARN(WARN_CLOSED)) {
1642 if (PL_op->op_type == OP_SYSWRITE)
1643 Perl_warner(aTHX_ WARN_CLOSED, "Syswrite on closed filehandle");
1645 Perl_warner(aTHX_ WARN_CLOSED, "Send on closed socket");
1648 else if (PL_op->op_type == OP_SYSWRITE) {
1650 offset = SvIVx(*++MARK);
1653 DIE(aTHX_ "Offset outside string");
1655 } else if (offset >= blen && blen > 0)
1656 DIE(aTHX_ "Offset outside string");
1659 if (length > blen - offset)
1660 length = blen - offset;
1661 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1662 if (IoTYPE(io) == 's') {
1663 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1664 buffer+offset, length, 0);
1669 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1670 buffer+offset, length);
1674 else if (SP > MARK) {
1677 sockbuf = SvPVx(*++MARK, mlen);
1678 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1679 (struct sockaddr *)sockbuf, mlen);
1682 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1686 DIE(aTHX_ PL_no_sock_func, "send");
1701 return pp_sysread();
1713 gv = PL_last_in_gv = (GV*)POPs;
1715 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1717 XPUSHs(SvTIED_obj((SV*)gv, mg));
1720 call_method("EOF", G_SCALAR);
1726 PUSHs(boolSV(!gv || do_eof(gv)));
1739 gv = PL_last_in_gv = (GV*)POPs;
1741 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1743 XPUSHs(SvTIED_obj((SV*)gv, mg));
1746 call_method("TELL", G_SCALAR);
1752 PUSHi( do_tell(gv) );
1758 return pp_sysseek();
1766 Off_t offset = POPl;
1769 gv = PL_last_in_gv = (GV*)POPs;
1771 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1773 XPUSHs(SvTIED_obj((SV*)gv, mg));
1774 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1775 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1778 call_method("SEEK", G_SCALAR);
1784 if (PL_op->op_type == OP_SEEK)
1785 PUSHs(boolSV(do_seek(gv, offset, whence)));
1787 Off_t n = do_sysseek(gv, offset, whence);
1788 PUSHs((n < 0) ? &PL_sv_undef
1789 : sv_2mortal(n ? newSViv((IV)n)
1790 : newSVpvn(zero_but_true, ZBTLEN)));
1798 Off_t len = (Off_t)POPn;
1804 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1805 if (PL_op->op_flags & OPf_SPECIAL) {
1806 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1808 TAINT_PROPER("truncate");
1809 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1811 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1813 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1822 if (SvTYPE(sv) == SVt_PVGV) {
1823 tmpgv = (GV*)sv; /* *main::FRED for example */
1826 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1827 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1831 name = SvPV(sv, n_a);
1832 TAINT_PROPER("truncate");
1834 if (truncate(name, len) < 0)
1839 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1842 if (my_chsize(tmpfd, len) < 0)
1844 PerlLIO_close(tmpfd);
1853 SETERRNO(EBADF,RMS$_IFI);
1856 DIE(aTHX_ "truncate not implemented");
1869 unsigned int func = U_I(POPn);
1870 int optype = PL_op->op_type;
1876 if (!io || !argsv || !IoIFP(io)) {
1877 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1881 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1884 s = SvPV_force(argsv, len);
1885 need = IOCPARM_LEN(func);
1887 s = Sv_Grow(argsv, need + 1);
1888 SvCUR_set(argsv, need);
1891 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1894 retval = SvIV(argsv);
1895 s = (char*)retval; /* ouch */
1898 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1900 if (optype == OP_IOCTL)
1902 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1904 DIE(aTHX_ "ioctl is not implemented");
1908 #if defined(OS2) && defined(__EMX__)
1909 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1911 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1914 DIE(aTHX_ "fcntl is not implemented");
1918 if (s[SvCUR(argsv)] != 17)
1919 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1920 PL_op_name[optype]);
1921 s[SvCUR(argsv)] = 0; /* put our null back */
1922 SvSETMAGIC(argsv); /* Assume it has changed */
1931 PUSHp(zero_but_true, ZBTLEN);
1951 fp = IoIFP(GvIOp(gv));
1955 (void)PerlIO_flush(fp);
1956 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1963 DIE(aTHX_ PL_no_func, "flock()");
1975 int protocol = POPi;
1983 SETERRNO(EBADF,LIB$_INVARG);
1989 do_close(gv, FALSE);
1991 TAINT_PROPER("socket");
1992 fd = PerlSock_socket(domain, type, protocol);
1995 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1996 IoOFP(io) = PerlIO_fdopen(fd, "w");
1998 if (!IoIFP(io) || !IoOFP(io)) {
1999 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2000 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2001 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2007 DIE(aTHX_ PL_no_sock_func, "socket");
2014 #ifdef HAS_SOCKETPAIR
2019 int protocol = POPi;
2032 do_close(gv1, FALSE);
2034 do_close(gv2, FALSE);
2036 TAINT_PROPER("socketpair");
2037 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2039 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2040 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2042 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2043 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2045 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2046 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2047 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2048 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2049 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2050 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2051 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2057 DIE(aTHX_ PL_no_sock_func, "socketpair");
2065 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2066 extern GETPRIVMODE();
2067 extern GETUSERMODE();
2072 register IO *io = GvIOn(gv);
2076 int mpeprivmode = 0;
2079 if (!io || !IoIFP(io))
2082 addr = SvPV(addrsv, len);
2083 TAINT_PROPER("bind");
2084 #ifdef MPE /* Deal with MPE bind() peculiarities */
2085 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2086 /* The address *MUST* stupidly be zero. */
2087 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2088 /* PRIV mode is required to bind() to ports < 1024. */
2089 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2090 ((struct sockaddr_in *)addr)->sin_port > 0) {
2091 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2096 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2097 (struct sockaddr *)addr, len) >= 0)
2100 #ifdef MPE /* Switch back to USER mode */
2111 if (ckWARN(WARN_CLOSED))
2112 Perl_warner(aTHX_ WARN_CLOSED, "bind() on closed fd");
2113 SETERRNO(EBADF,SS$_IVCHAN);
2116 DIE(aTHX_ PL_no_sock_func, "bind");
2127 register IO *io = GvIOn(gv);
2130 if (!io || !IoIFP(io))
2133 addr = SvPV(addrsv, len);
2134 TAINT_PROPER("connect");
2135 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2141 if (ckWARN(WARN_CLOSED))
2142 Perl_warner(aTHX_ WARN_CLOSED, "connect() on closed fd");
2143 SETERRNO(EBADF,SS$_IVCHAN);
2146 DIE(aTHX_ PL_no_sock_func, "connect");
2156 register IO *io = GvIOn(gv);
2158 if (!io || !IoIFP(io))
2161 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2167 if (ckWARN(WARN_CLOSED))
2168 Perl_warner(aTHX_ WARN_CLOSED, "listen() on closed fd");
2169 SETERRNO(EBADF,SS$_IVCHAN);
2172 DIE(aTHX_ PL_no_sock_func, "listen");
2184 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2185 Sock_size_t len = sizeof saddr;
2197 if (!gstio || !IoIFP(gstio))
2202 do_close(ngv, FALSE);
2204 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2207 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2208 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2209 IoTYPE(nstio) = 's';
2210 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2211 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2212 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2213 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2217 PUSHp((char *)&saddr, len);
2221 if (ckWARN(WARN_CLOSED))
2222 Perl_warner(aTHX_ WARN_CLOSED, "accept() on closed fd");
2223 SETERRNO(EBADF,SS$_IVCHAN);
2229 DIE(aTHX_ PL_no_sock_func, "accept");
2239 register IO *io = GvIOn(gv);
2241 if (!io || !IoIFP(io))
2244 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2248 if (ckWARN(WARN_CLOSED))
2249 Perl_warner(aTHX_ WARN_CLOSED, "shutdown() on closed fd");
2250 SETERRNO(EBADF,SS$_IVCHAN);
2253 DIE(aTHX_ PL_no_sock_func, "shutdown");
2260 return pp_ssockopt();
2262 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2270 int optype = PL_op->op_type;
2273 unsigned int optname;
2279 if (optype == OP_GSOCKOPT)
2280 sv = sv_2mortal(NEWSV(22, 257));
2283 optname = (unsigned int) POPi;
2284 lvl = (unsigned int) POPi;
2288 if (!io || !IoIFP(io))
2291 fd = PerlIO_fileno(IoIFP(io));
2295 (void)SvPOK_only(sv);
2299 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2314 aint = (int)SvIV(sv);
2318 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2327 if (ckWARN(WARN_CLOSED))
2328 Perl_warner(aTHX_ WARN_CLOSED, "[gs]etsockopt() on closed fd");
2329 SETERRNO(EBADF,SS$_IVCHAN);
2334 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2341 return pp_getpeername();
2343 DIE(aTHX_ PL_no_sock_func, "getsockname");
2351 int optype = PL_op->op_type;
2355 register IO *io = GvIOn(gv);
2358 if (!io || !IoIFP(io))
2361 sv = sv_2mortal(NEWSV(22, 257));
2362 (void)SvPOK_only(sv);
2366 fd = PerlIO_fileno(IoIFP(io));
2368 case OP_GETSOCKNAME:
2369 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2372 case OP_GETPEERNAME:
2373 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2375 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2377 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2378 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2379 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2380 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2381 sizeof(u_short) + sizeof(struct in_addr))) {
2388 #ifdef BOGUS_GETNAME_RETURN
2389 /* Interactive Unix, getpeername() and getsockname()
2390 does not return valid namelen */
2391 if (len == BOGUS_GETNAME_RETURN)
2392 len = sizeof(struct sockaddr);
2400 if (ckWARN(WARN_CLOSED))
2401 Perl_warner(aTHX_ WARN_CLOSED, "get{sock, peer}name() on closed fd");
2402 SETERRNO(EBADF,SS$_IVCHAN);
2407 DIE(aTHX_ PL_no_sock_func, "getpeername");
2426 if (PL_op->op_flags & OPf_REF) {
2427 tmpgv = cGVOP->op_gv;
2429 if (tmpgv != PL_defgv) {
2430 PL_laststype = OP_STAT;
2432 sv_setpv(PL_statname, "");
2433 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2434 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2436 if (PL_laststatval < 0)
2441 if (SvTYPE(sv) == SVt_PVGV) {
2445 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2446 tmpgv = (GV*)SvRV(sv);
2449 sv_setpv(PL_statname, SvPV(sv,n_a));
2452 PL_laststype = PL_op->op_type;
2453 if (PL_op->op_type == OP_LSTAT)
2454 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2457 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2458 if (PL_laststatval < 0) {
2459 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2460 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2466 if (gimme != G_ARRAY) {
2467 if (gimme != G_VOID)
2468 XPUSHs(boolSV(max));
2474 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2475 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2476 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2477 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2478 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2479 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2480 #ifdef USE_STAT_RDEV
2481 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2483 PUSHs(sv_2mortal(newSVpvn("", 0)));
2485 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2487 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2488 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2489 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2491 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2492 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2493 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2495 #ifdef USE_STAT_BLOCKS
2496 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2497 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2499 PUSHs(sv_2mortal(newSVpvn("", 0)));
2500 PUSHs(sv_2mortal(newSVpvn("", 0)));
2510 #if defined(HAS_ACCESS) && defined(R_OK)
2512 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2513 result = access(TOPpx, R_OK);
2528 if (cando(S_IRUSR, 0, &PL_statcache))
2537 #if defined(HAS_ACCESS) && defined(W_OK)
2539 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2540 result = access(TOPpx, W_OK);
2555 if (cando(S_IWUSR, 0, &PL_statcache))
2564 #if defined(HAS_ACCESS) && defined(X_OK)
2566 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2567 result = access(TOPpx, X_OK);
2582 if (cando(S_IXUSR, 0, &PL_statcache))
2591 #ifdef PERL_EFF_ACCESS_R_OK
2593 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2594 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2609 if (cando(S_IRUSR, 1, &PL_statcache))
2618 #ifdef PERL_EFF_ACCESS_W_OK
2620 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2621 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2636 if (cando(S_IWUSR, 1, &PL_statcache))
2645 #ifdef PERL_EFF_ACCESS_X_OK
2647 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2648 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2663 if (cando(S_IXUSR, 1, &PL_statcache))
2670 I32 result = my_stat();
2679 return pp_ftrowned();
2684 I32 result = my_stat();
2688 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2695 I32 result = my_stat();
2699 if (!PL_statcache.st_size)
2706 I32 result = my_stat();
2710 PUSHi(PL_statcache.st_size);
2716 I32 result = my_stat();
2720 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2726 I32 result = my_stat();
2730 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2736 I32 result = my_stat();
2740 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2746 I32 result = my_stat();
2750 if (S_ISSOCK(PL_statcache.st_mode))
2757 I32 result = my_stat();
2761 if (S_ISCHR(PL_statcache.st_mode))
2768 I32 result = my_stat();
2772 if (S_ISBLK(PL_statcache.st_mode))
2779 I32 result = my_stat();
2783 if (S_ISREG(PL_statcache.st_mode))
2790 I32 result = my_stat();
2794 if (S_ISDIR(PL_statcache.st_mode))
2801 I32 result = my_stat();
2805 if (S_ISFIFO(PL_statcache.st_mode))
2812 I32 result = my_lstat();
2816 if (S_ISLNK(PL_statcache.st_mode))
2825 I32 result = my_stat();
2829 if (PL_statcache.st_mode & S_ISUID)
2839 I32 result = my_stat();
2843 if (PL_statcache.st_mode & S_ISGID)
2853 I32 result = my_stat();
2857 if (PL_statcache.st_mode & S_ISVTX)
2868 char *tmps = Nullch;
2871 if (PL_op->op_flags & OPf_REF)
2873 else if (isGV(TOPs))
2875 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2876 gv = (GV*)SvRV(POPs);
2878 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2880 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2881 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2882 else if (tmps && isDIGIT(*tmps))
2886 if (PerlLIO_isatty(fd))
2891 #if defined(atarist) /* this will work with atariST. Configure will
2892 make guesses for other systems. */
2893 # define FILE_base(f) ((f)->_base)
2894 # define FILE_ptr(f) ((f)->_ptr)
2895 # define FILE_cnt(f) ((f)->_cnt)
2896 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2906 register STDCHAR *s;
2912 if (PL_op->op_flags & OPf_REF)
2914 else if (isGV(TOPs))
2916 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2917 gv = (GV*)SvRV(POPs);
2923 if (gv == PL_defgv) {
2925 io = GvIO(PL_statgv);
2928 goto really_filename;
2933 PL_laststatval = -1;
2934 sv_setpv(PL_statname, "");
2935 io = GvIO(PL_statgv);
2937 if (io && IoIFP(io)) {
2938 if (! PerlIO_has_base(IoIFP(io)))
2939 DIE(aTHX_ "-T and -B not implemented on filehandles");
2940 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2941 if (PL_laststatval < 0)
2943 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2944 if (PL_op->op_type == OP_FTTEXT)
2948 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2949 i = PerlIO_getc(IoIFP(io));
2951 (void)PerlIO_ungetc(IoIFP(io),i);
2953 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2955 len = PerlIO_get_bufsiz(IoIFP(io));
2956 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2957 /* sfio can have large buffers - limit to 512 */
2962 if (ckWARN(WARN_UNOPENED))
2963 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
2964 GvENAME(cGVOP->op_gv));
2965 SETERRNO(EBADF,RMS$_IFI);
2973 PL_laststatval = -1;
2974 sv_setpv(PL_statname, SvPV(sv, n_a));
2976 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2978 i = PerlLIO_open(SvPV(sv, n_a), 0);
2981 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2982 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
2985 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2986 if (PL_laststatval < 0)
2988 len = PerlLIO_read(i, tbuf, 512);
2989 (void)PerlLIO_close(i);
2991 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2992 RETPUSHNO; /* special case NFS directories */
2993 RETPUSHYES; /* null file is anything */
2998 /* now scan s to look for textiness */
2999 /* XXX ASCII dependent code */
3001 for (i = 0; i < len; i++, s++) {
3002 if (!*s) { /* null never allowed in text */
3007 else if (!(isPRINT(*s) || isSPACE(*s)))
3013 *s != '\n' && *s != '\r' && *s != '\b' &&
3014 *s != '\t' && *s != '\f' && *s != 27)
3019 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3043 if (!tmps || !*tmps) {
3044 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3046 tmps = SvPV(*svp, n_a);
3048 if (!tmps || !*tmps) {
3049 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3051 tmps = SvPV(*svp, n_a);
3054 if (!tmps || !*tmps) {
3055 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3057 tmps = SvPV(*svp, n_a);
3060 TAINT_PROPER("chdir");
3061 PUSHi( PerlDir_chdir(tmps) >= 0 );
3063 /* Clear the DEFAULT element of ENV so we'll get the new value
3065 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3072 djSP; dMARK; dTARGET;
3075 value = (I32)apply(PL_op->op_type, MARK, SP);
3080 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3091 TAINT_PROPER("chroot");
3092 PUSHi( chroot(tmps) >= 0 );
3095 DIE(aTHX_ PL_no_func, "chroot");
3101 djSP; dMARK; dTARGET;
3103 value = (I32)apply(PL_op->op_type, MARK, SP);
3111 djSP; dMARK; dTARGET;
3113 value = (I32)apply(PL_op->op_type, MARK, SP);
3121 djSP; dMARK; dTARGET;
3123 value = (I32)apply(PL_op->op_type, MARK, SP);
3135 char *tmps2 = POPpx;
3136 char *tmps = SvPV(TOPs, n_a);
3137 TAINT_PROPER("rename");
3139 anum = PerlLIO_rename(tmps, tmps2);
3141 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3142 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3145 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3146 (void)UNLINK(tmps2);
3147 if (!(anum = link(tmps, tmps2)))
3148 anum = UNLINK(tmps);
3161 char *tmps2 = POPpx;
3162 char *tmps = SvPV(TOPs, n_a);
3163 TAINT_PROPER("link");
3164 SETi( link(tmps, tmps2) >= 0 );
3166 DIE(aTHX_ PL_no_func, "Unsupported function link");
3176 char *tmps2 = POPpx;
3177 char *tmps = SvPV(TOPs, n_a);
3178 TAINT_PROPER("symlink");
3179 SETi( symlink(tmps, tmps2) >= 0 );
3182 DIE(aTHX_ PL_no_func, "symlink");
3191 char buf[MAXPATHLEN];
3195 #ifndef INCOMPLETE_TAINTS
3199 len = readlink(tmps, buf, sizeof buf);
3207 RETSETUNDEF; /* just pretend it's a normal file */
3211 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3213 S_dooneliner(pTHX_ char *cmd, char *filename)
3215 char *save_filename = filename;
3221 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3222 strcpy(cmdline, cmd);
3223 strcat(cmdline, " ");
3224 for (s = cmdline + strlen(cmdline); *filename; ) {
3229 myfp = PerlProc_popen(cmdline, "r");
3233 SV *tmpsv = sv_newmortal();
3234 /* Need to save/restore 'PL_rs' ?? */
3235 s = sv_gets(tmpsv, myfp, 0);
3236 (void)PerlProc_pclose(myfp);
3240 #ifdef HAS_SYS_ERRLIST
3245 /* you don't see this */
3247 #ifdef HAS_SYS_ERRLIST
3255 if (instr(s, errmsg)) {
3262 #define EACCES EPERM
3264 if (instr(s, "cannot make"))
3265 SETERRNO(EEXIST,RMS$_FEX);
3266 else if (instr(s, "existing file"))
3267 SETERRNO(EEXIST,RMS$_FEX);
3268 else if (instr(s, "ile exists"))
3269 SETERRNO(EEXIST,RMS$_FEX);
3270 else if (instr(s, "non-exist"))
3271 SETERRNO(ENOENT,RMS$_FNF);
3272 else if (instr(s, "does not exist"))
3273 SETERRNO(ENOENT,RMS$_FNF);
3274 else if (instr(s, "not empty"))
3275 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3276 else if (instr(s, "cannot access"))
3277 SETERRNO(EACCES,RMS$_PRV);
3279 SETERRNO(EPERM,RMS$_PRV);
3282 else { /* some mkdirs return no failure indication */
3283 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3284 if (PL_op->op_type == OP_RMDIR)
3289 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3306 char *tmps = SvPV(TOPs, n_a);
3308 TAINT_PROPER("mkdir");
3310 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3312 SETi( dooneliner("mkdir", tmps) );
3313 oldumask = PerlLIO_umask(0);
3314 PerlLIO_umask(oldumask);
3315 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3327 TAINT_PROPER("rmdir");
3329 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3331 XPUSHi( dooneliner("rmdir", tmps) );
3336 /* Directory calls. */
3341 #if defined(Direntry_t) && defined(HAS_READDIR)
3343 char *dirname = POPpx;
3345 register IO *io = GvIOn(gv);
3351 PerlDir_close(IoDIRP(io));
3352 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3358 SETERRNO(EBADF,RMS$_DIR);
3361 DIE(aTHX_ PL_no_dir_func, "opendir");
3368 #if defined(Direntry_t) && defined(HAS_READDIR)
3370 Direntry_t *readdir (DIR *);
3372 register Direntry_t *dp;
3374 register IO *io = GvIOn(gv);
3377 if (!io || !IoDIRP(io))
3380 if (GIMME == G_ARRAY) {
3382 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3384 sv = newSVpvn(dp->d_name, dp->d_namlen);
3386 sv = newSVpv(dp->d_name, 0);
3388 #ifndef INCOMPLETE_TAINTS
3391 XPUSHs(sv_2mortal(sv));
3395 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3398 sv = newSVpvn(dp->d_name, dp->d_namlen);
3400 sv = newSVpv(dp->d_name, 0);
3402 #ifndef INCOMPLETE_TAINTS
3405 XPUSHs(sv_2mortal(sv));
3411 SETERRNO(EBADF,RMS$_ISI);
3412 if (GIMME == G_ARRAY)
3417 DIE(aTHX_ PL_no_dir_func, "readdir");
3424 #if defined(HAS_TELLDIR) || defined(telldir)
3425 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3426 /* XXX netbsd still seemed to.
3427 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3428 --JHI 1999-Feb-02 */
3429 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3430 long telldir (DIR *);
3433 register IO *io = GvIOn(gv);
3435 if (!io || !IoDIRP(io))
3438 PUSHi( PerlDir_tell(IoDIRP(io)) );
3442 SETERRNO(EBADF,RMS$_ISI);
3445 DIE(aTHX_ PL_no_dir_func, "telldir");
3452 #if defined(HAS_SEEKDIR) || defined(seekdir)
3455 register IO *io = GvIOn(gv);
3457 if (!io || !IoDIRP(io))
3460 (void)PerlDir_seek(IoDIRP(io), along);
3465 SETERRNO(EBADF,RMS$_ISI);
3468 DIE(aTHX_ PL_no_dir_func, "seekdir");
3475 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3477 register IO *io = GvIOn(gv);
3479 if (!io || !IoDIRP(io))
3482 (void)PerlDir_rewind(IoDIRP(io));
3486 SETERRNO(EBADF,RMS$_ISI);
3489 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3496 #if defined(Direntry_t) && defined(HAS_READDIR)
3498 register IO *io = GvIOn(gv);
3500 if (!io || !IoDIRP(io))
3503 #ifdef VOID_CLOSEDIR
3504 PerlDir_close(IoDIRP(io));
3506 if (PerlDir_close(IoDIRP(io)) < 0) {
3507 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3516 SETERRNO(EBADF,RMS$_IFI);
3519 DIE(aTHX_ PL_no_dir_func, "closedir");
3523 /* Process control. */
3533 PERL_FLUSHALL_FOR_CHILD;
3539 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3540 sv_setiv(GvSV(tmpgv), (IV)getpid());
3541 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3546 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3552 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3557 childpid = wait4pid(-1, &argflags, 0);
3558 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3562 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3568 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3576 childpid = wait4pid(childpid, &argflags, optype);
3577 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3581 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3587 djSP; dMARK; dORIGMARK; dTARGET;
3592 Sigsave_t ihand,qhand; /* place to save signals during system() */
3597 if (SP - MARK == 1) {
3599 char *junk = SvPV(TOPs, n_a);
3601 TAINT_PROPER("system");
3604 PERL_FLUSHALL_FOR_CHILD;
3605 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3606 if (PerlProc_pipe(pp) >= 0)
3608 while ((childpid = vfork()) == -1) {
3609 if (errno != EAGAIN) {
3614 PerlLIO_close(pp[0]);
3615 PerlLIO_close(pp[1]);
3623 PerlLIO_close(pp[1]);
3624 rsignal_save(SIGINT, SIG_IGN, &ihand);
3625 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3627 result = wait4pid(childpid, &status, 0);
3628 } while (result == -1 && errno == EINTR);
3629 (void)rsignal_restore(SIGINT, &ihand);
3630 (void)rsignal_restore(SIGQUIT, &qhand);
3631 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3632 do_execfree(); /* free any memory child malloced on vfork */
3638 while (n < sizeof(int)) {
3639 n1 = PerlLIO_read(pp[0],
3640 (void*)(((char*)&errkid)+n),
3646 PerlLIO_close(pp[0]);
3647 if (n) { /* Error */
3648 if (n != sizeof(int))
3649 Perl_croak(aTHX_ "panic: kid popen errno read");
3650 errno = errkid; /* Propagate errno from kid */
3651 STATUS_CURRENT = -1;
3654 PUSHi(STATUS_CURRENT);
3658 PerlLIO_close(pp[0]);
3659 #if defined(HAS_FCNTL) && defined(F_SETFD)
3660 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3663 if (PL_op->op_flags & OPf_STACKED) {
3664 SV *really = *++MARK;
3665 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3667 else if (SP - MARK != 1)
3668 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3670 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3673 #else /* ! FORK or VMS or OS/2 */
3674 if (PL_op->op_flags & OPf_STACKED) {
3675 SV *really = *++MARK;
3676 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3678 else if (SP - MARK != 1)
3679 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3681 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3683 STATUS_NATIVE_SET(value);
3686 PUSHi(STATUS_CURRENT);
3687 #endif /* !FORK or VMS */
3693 djSP; dMARK; dORIGMARK; dTARGET;
3697 PERL_FLUSHALL_FOR_CHILD;
3698 if (PL_op->op_flags & OPf_STACKED) {
3699 SV *really = *++MARK;
3700 value = (I32)do_aexec(really, MARK, SP);
3702 else if (SP - MARK != 1)
3704 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3708 (void ) do_aspawn(Nullsv, MARK, SP);
3712 value = (I32)do_aexec(Nullsv, MARK, SP);
3717 char *junk = SvPV(*SP, n_a);
3719 TAINT_PROPER("exec");
3722 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3725 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3728 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3739 djSP; dMARK; dTARGET;
3742 value = (I32)apply(PL_op->op_type, MARK, SP);
3747 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3755 XPUSHi( getppid() );
3758 DIE(aTHX_ PL_no_func, "getppid");
3774 value = (I32)BSD_GETPGRP(pid);
3776 if (pid != 0 && pid != getpid())
3777 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3778 value = (I32)getpgrp();
3783 DIE(aTHX_ PL_no_func, "getpgrp()");
3802 TAINT_PROPER("setpgrp");
3804 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3806 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3807 DIE(aTHX_ "POSIX setpgrp can't take an argument");
3808 SETi( setpgrp() >= 0 );
3809 #endif /* USE_BSDPGRP */
3812 DIE(aTHX_ PL_no_func, "setpgrp()");
3821 #ifdef HAS_GETPRIORITY
3824 SETi( getpriority(which, who) );
3827 DIE(aTHX_ PL_no_func, "getpriority()");
3837 #ifdef HAS_SETPRIORITY
3841 TAINT_PROPER("setpriority");
3842 SETi( setpriority(which, who, niceval) >= 0 );
3845 DIE(aTHX_ PL_no_func, "setpriority()");
3855 XPUSHn( time(Null(Time_t*)) );
3857 XPUSHi( time(Null(Time_t*)) );
3862 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3863 to HZ. Probably. For now, assume that if the system
3864 defines HZ, it does so correctly. (Will this break
3866 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3867 it's supported. --AD 9/96.
3883 DIE(aTHX_ "times not implemented");
3888 (void)PerlProc_times(&PL_timesbuf);
3890 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3891 /* struct tms, though same data */
3895 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
3896 if (GIMME == G_ARRAY) {
3897 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
3898 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
3899 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
3902 #endif /* HAS_TIMES */
3915 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3916 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3917 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3923 when = (Time_t)SvNVx(POPs);
3925 when = (Time_t)SvIVx(POPs);
3928 if (PL_op->op_type == OP_LOCALTIME)
3929 tmbuf = localtime(&when);
3931 tmbuf = gmtime(&when);
3935 if (GIMME != G_ARRAY) {
3940 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
3941 dayname[tmbuf->tm_wday],
3942 monname[tmbuf->tm_mon],
3947 tmbuf->tm_year + 1900);
3948 PUSHs(sv_2mortal(tsv));
3951 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3952 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3953 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3954 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3955 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3956 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3957 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3958 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3959 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3970 anum = alarm((unsigned int)anum);
3977 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
3988 (void)time(&lasttime);
3993 PerlProc_sleep((unsigned int)duration);
3996 XPUSHi(when - lasttime);
4000 /* Shared memory. */
4014 return pp_shmwrite();
4019 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4020 djSP; dMARK; dTARGET;
4021 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4030 /* Message passing. */
4044 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4045 djSP; dMARK; dTARGET;
4046 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4057 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4058 djSP; dMARK; dTARGET;
4059 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4072 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4073 djSP; dMARK; dTARGET;
4074 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4081 DIE(aTHX_ "System V IPC is not implemented on this machine");
4087 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4088 djSP; dMARK; dTARGET;
4089 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4097 PUSHp(zero_but_true, ZBTLEN);
4107 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4108 djSP; dMARK; dTARGET;
4109 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4118 /* Get system info. */
4122 #ifdef HAS_GETHOSTBYNAME
4123 return pp_ghostent();
4125 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4131 #ifdef HAS_GETHOSTBYADDR
4132 return pp_ghostent();
4134 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4141 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4142 I32 which = PL_op->op_type;
4143 register char **elem;
4145 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4146 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4147 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4148 struct hostent *PerlSock_gethostent(void);
4150 struct hostent *hent;
4155 if (which == OP_GHBYNAME)
4156 #ifdef HAS_GETHOSTBYNAME
4157 hent = PerlSock_gethostbyname(POPpx);
4159 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4161 else if (which == OP_GHBYADDR) {
4162 #ifdef HAS_GETHOSTBYADDR
4163 int addrtype = POPi;
4166 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4168 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4170 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4174 #ifdef HAS_GETHOSTENT
4175 hent = PerlSock_gethostent();
4177 DIE(aTHX_ PL_no_sock_func, "gethostent");
4180 #ifdef HOST_NOT_FOUND
4182 STATUS_NATIVE_SET(h_errno);
4185 if (GIMME != G_ARRAY) {
4186 PUSHs(sv = sv_newmortal());
4188 if (which == OP_GHBYNAME) {
4190 sv_setpvn(sv, hent->h_addr, hent->h_length);
4193 sv_setpv(sv, (char*)hent->h_name);
4199 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4200 sv_setpv(sv, (char*)hent->h_name);
4201 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4202 for (elem = hent->h_aliases; elem && *elem; elem++) {
4203 sv_catpv(sv, *elem);
4205 sv_catpvn(sv, " ", 1);
4207 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4208 sv_setiv(sv, (IV)hent->h_addrtype);
4209 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4210 len = hent->h_length;
4211 sv_setiv(sv, (IV)len);
4213 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4214 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4215 sv_setpvn(sv, *elem, len);
4218 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4220 sv_setpvn(sv, hent->h_addr, len);
4225 DIE(aTHX_ PL_no_sock_func, "gethostent");
4231 #ifdef HAS_GETNETBYNAME
4232 return pp_gnetent();
4234 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4240 #ifdef HAS_GETNETBYADDR
4241 return pp_gnetent();
4243 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4250 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4251 I32 which = PL_op->op_type;
4252 register char **elem;
4254 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4255 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4256 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4257 struct netent *PerlSock_getnetent(void);
4259 struct netent *nent;
4262 if (which == OP_GNBYNAME)
4263 #ifdef HAS_GETNETBYNAME
4264 nent = PerlSock_getnetbyname(POPpx);
4266 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4268 else if (which == OP_GNBYADDR) {
4269 #ifdef HAS_GETNETBYADDR
4270 int addrtype = POPi;
4271 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4272 nent = PerlSock_getnetbyaddr(addr, addrtype);
4274 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4278 #ifdef HAS_GETNETENT
4279 nent = PerlSock_getnetent();
4281 DIE(aTHX_ PL_no_sock_func, "getnetent");
4285 if (GIMME != G_ARRAY) {
4286 PUSHs(sv = sv_newmortal());
4288 if (which == OP_GNBYNAME)
4289 sv_setiv(sv, (IV)nent->n_net);
4291 sv_setpv(sv, nent->n_name);
4297 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4298 sv_setpv(sv, nent->n_name);
4299 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4300 for (elem = nent->n_aliases; elem && *elem; elem++) {
4301 sv_catpv(sv, *elem);
4303 sv_catpvn(sv, " ", 1);
4305 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4306 sv_setiv(sv, (IV)nent->n_addrtype);
4307 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4308 sv_setiv(sv, (IV)nent->n_net);
4313 DIE(aTHX_ PL_no_sock_func, "getnetent");
4319 #ifdef HAS_GETPROTOBYNAME
4320 return pp_gprotoent();
4322 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4328 #ifdef HAS_GETPROTOBYNUMBER
4329 return pp_gprotoent();
4331 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4338 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4339 I32 which = PL_op->op_type;
4340 register char **elem;
4342 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4343 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4344 struct protoent *PerlSock_getprotobynumber(int);
4345 struct protoent *PerlSock_getprotoent(void);
4347 struct protoent *pent;
4350 if (which == OP_GPBYNAME)
4351 #ifdef HAS_GETPROTOBYNAME
4352 pent = PerlSock_getprotobyname(POPpx);
4354 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4356 else if (which == OP_GPBYNUMBER)
4357 #ifdef HAS_GETPROTOBYNUMBER
4358 pent = PerlSock_getprotobynumber(POPi);
4360 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4363 #ifdef HAS_GETPROTOENT
4364 pent = PerlSock_getprotoent();
4366 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4370 if (GIMME != G_ARRAY) {
4371 PUSHs(sv = sv_newmortal());
4373 if (which == OP_GPBYNAME)
4374 sv_setiv(sv, (IV)pent->p_proto);
4376 sv_setpv(sv, pent->p_name);
4382 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4383 sv_setpv(sv, pent->p_name);
4384 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4385 for (elem = pent->p_aliases; elem && *elem; elem++) {
4386 sv_catpv(sv, *elem);
4388 sv_catpvn(sv, " ", 1);
4390 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4391 sv_setiv(sv, (IV)pent->p_proto);
4396 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4402 #ifdef HAS_GETSERVBYNAME
4403 return pp_gservent();
4405 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4411 #ifdef HAS_GETSERVBYPORT
4412 return pp_gservent();
4414 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4421 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4422 I32 which = PL_op->op_type;
4423 register char **elem;
4425 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4426 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4427 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4428 struct servent *PerlSock_getservent(void);
4430 struct servent *sent;
4433 if (which == OP_GSBYNAME) {
4434 #ifdef HAS_GETSERVBYNAME
4435 char *proto = POPpx;
4438 if (proto && !*proto)
4441 sent = PerlSock_getservbyname(name, proto);
4443 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4446 else if (which == OP_GSBYPORT) {
4447 #ifdef HAS_GETSERVBYPORT
4448 char *proto = POPpx;
4449 unsigned short port = POPu;
4452 port = PerlSock_htons(port);
4454 sent = PerlSock_getservbyport(port, proto);
4456 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4460 #ifdef HAS_GETSERVENT
4461 sent = PerlSock_getservent();
4463 DIE(aTHX_ PL_no_sock_func, "getservent");
4467 if (GIMME != G_ARRAY) {
4468 PUSHs(sv = sv_newmortal());
4470 if (which == OP_GSBYNAME) {
4472 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4474 sv_setiv(sv, (IV)(sent->s_port));
4478 sv_setpv(sv, sent->s_name);
4484 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4485 sv_setpv(sv, sent->s_name);
4486 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4487 for (elem = sent->s_aliases; elem && *elem; elem++) {
4488 sv_catpv(sv, *elem);
4490 sv_catpvn(sv, " ", 1);
4492 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4494 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4496 sv_setiv(sv, (IV)(sent->s_port));
4498 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4499 sv_setpv(sv, sent->s_proto);
4504 DIE(aTHX_ PL_no_sock_func, "getservent");
4511 #ifdef HAS_SETHOSTENT
4512 PerlSock_sethostent(TOPi);
4515 DIE(aTHX_ PL_no_sock_func, "sethostent");
4522 #ifdef HAS_SETNETENT
4523 PerlSock_setnetent(TOPi);
4526 DIE(aTHX_ PL_no_sock_func, "setnetent");
4533 #ifdef HAS_SETPROTOENT
4534 PerlSock_setprotoent(TOPi);
4537 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4544 #ifdef HAS_SETSERVENT
4545 PerlSock_setservent(TOPi);
4548 DIE(aTHX_ PL_no_sock_func, "setservent");
4555 #ifdef HAS_ENDHOSTENT
4556 PerlSock_endhostent();
4560 DIE(aTHX_ PL_no_sock_func, "endhostent");
4567 #ifdef HAS_ENDNETENT
4568 PerlSock_endnetent();
4572 DIE(aTHX_ PL_no_sock_func, "endnetent");
4579 #ifdef HAS_ENDPROTOENT
4580 PerlSock_endprotoent();
4584 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4591 #ifdef HAS_ENDSERVENT
4592 PerlSock_endservent();
4596 DIE(aTHX_ PL_no_sock_func, "endservent");
4605 DIE(aTHX_ PL_no_func, "getpwnam");
4614 DIE(aTHX_ PL_no_func, "getpwuid");
4621 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4622 I32 which = PL_op->op_type;
4624 struct passwd *pwent;
4626 #if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4627 struct spwd *spwent = NULL;
4630 if (which == OP_GPWNAM)
4631 pwent = getpwnam(POPpx);
4632 else if (which == OP_GPWUID)
4633 pwent = getpwuid(POPi);
4635 pwent = (struct passwd *)getpwent();
4638 if (which == OP_GPWNAM) {
4640 spwent = getspnam(pwent->pw_name);
4642 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4643 else if (which == OP_GPWUID) {
4645 spwent = getspnam(pwent->pw_name);
4648 # ifdef HAS_GETSPENT
4650 spwent = (struct spwd *)getspent();
4655 if (GIMME != G_ARRAY) {
4656 PUSHs(sv = sv_newmortal());
4658 if (which == OP_GPWNAM)
4659 sv_setiv(sv, (IV)pwent->pw_uid);
4661 sv_setpv(sv, pwent->pw_name);
4667 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4668 sv_setpv(sv, pwent->pw_name);
4670 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4672 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4674 sv_setpv(sv, spwent->sp_pwdp);
4676 sv_setpv(sv, pwent->pw_passwd);
4678 sv_setpv(sv, pwent->pw_passwd);
4682 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4683 sv_setiv(sv, (IV)pwent->pw_uid);
4685 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4686 sv_setiv(sv, (IV)pwent->pw_gid);
4688 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4689 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4691 sv_setiv(sv, (IV)pwent->pw_change);
4694 sv_setiv(sv, (IV)pwent->pw_quota);
4697 sv_setpv(sv, pwent->pw_age);
4702 /* pw_class and pw_comment are mutually exclusive. */
4703 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4705 sv_setpv(sv, pwent->pw_class);
4708 sv_setpv(sv, pwent->pw_comment);
4712 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4714 sv_setpv(sv, pwent->pw_gecos);
4716 #ifndef INCOMPLETE_TAINTS
4717 /* pw_gecos is tainted because user himself can diddle with it. */
4721 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4722 sv_setpv(sv, pwent->pw_dir);
4724 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4725 sv_setpv(sv, pwent->pw_shell);
4728 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4729 sv_setiv(sv, (IV)pwent->pw_expire);
4734 DIE(aTHX_ PL_no_func, "getpwent");
4741 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4743 # ifdef HAS_SETSPENT
4748 DIE(aTHX_ PL_no_func, "setpwent");
4755 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4757 # ifdef HAS_ENDSPENT
4762 DIE(aTHX_ PL_no_func, "endpwent");
4771 DIE(aTHX_ PL_no_func, "getgrnam");
4780 DIE(aTHX_ PL_no_func, "getgrgid");
4787 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4788 I32 which = PL_op->op_type;
4789 register char **elem;
4791 struct group *grent;
4794 if (which == OP_GGRNAM)
4795 grent = (struct group *)getgrnam(POPpx);
4796 else if (which == OP_GGRGID)
4797 grent = (struct group *)getgrgid(POPi);
4799 grent = (struct group *)getgrent();
4802 if (GIMME != G_ARRAY) {
4803 PUSHs(sv = sv_newmortal());
4805 if (which == OP_GGRNAM)
4806 sv_setiv(sv, (IV)grent->gr_gid);
4808 sv_setpv(sv, grent->gr_name);
4814 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4815 sv_setpv(sv, grent->gr_name);
4817 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4819 sv_setpv(sv, grent->gr_passwd);
4822 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4823 sv_setiv(sv, (IV)grent->gr_gid);
4825 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4826 for (elem = grent->gr_mem; elem && *elem; elem++) {
4827 sv_catpv(sv, *elem);
4829 sv_catpvn(sv, " ", 1);
4835 DIE(aTHX_ PL_no_func, "getgrent");
4842 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4846 DIE(aTHX_ PL_no_func, "setgrent");
4853 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4857 DIE(aTHX_ PL_no_func, "endgrent");
4867 if (!(tmps = PerlProc_getlogin()))
4869 PUSHp(tmps, strlen(tmps));
4872 DIE(aTHX_ PL_no_func, "getlogin");
4876 /* Miscellaneous. */
4881 djSP; dMARK; dORIGMARK; dTARGET;
4882 register I32 items = SP - MARK;
4883 unsigned long a[20];
4890 while (++MARK <= SP) {
4891 if (SvTAINTED(*MARK)) {
4897 TAINT_PROPER("syscall");
4900 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4901 * or where sizeof(long) != sizeof(char*). But such machines will
4902 * not likely have syscall implemented either, so who cares?
4904 while (++MARK <= SP) {
4905 if (SvNIOK(*MARK) || !i)
4906 a[i++] = SvIV(*MARK);
4907 else if (*MARK == &PL_sv_undef)
4910 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4916 DIE(aTHX_ "Too many args to syscall");
4918 DIE(aTHX_ "Too few args to syscall");
4920 retval = syscall(a[0]);
4923 retval = syscall(a[0],a[1]);
4926 retval = syscall(a[0],a[1],a[2]);
4929 retval = syscall(a[0],a[1],a[2],a[3]);
4932 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4935 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4938 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4941 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4945 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4948 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4951 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4955 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4959 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4963 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4964 a[10],a[11],a[12],a[13]);
4966 #endif /* atarist */
4972 DIE(aTHX_ PL_no_func, "syscall");
4976 #ifdef FCNTL_EMULATE_FLOCK
4978 /* XXX Emulate flock() with fcntl().
4979 What's really needed is a good file locking module.
4983 fcntl_emulate_flock(int fd, int operation)
4987 switch (operation & ~LOCK_NB) {
4989 flock.l_type = F_RDLCK;
4992 flock.l_type = F_WRLCK;
4995 flock.l_type = F_UNLCK;
5001 flock.l_whence = SEEK_SET;
5002 flock.l_start = flock.l_len = 0L;
5004 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5007 #endif /* FCNTL_EMULATE_FLOCK */
5009 #ifdef LOCKF_EMULATE_FLOCK
5011 /* XXX Emulate flock() with lockf(). This is just to increase
5012 portability of scripts. The calls are not completely
5013 interchangeable. What's really needed is a good file
5017 /* The lockf() constants might have been defined in <unistd.h>.
5018 Unfortunately, <unistd.h> causes troubles on some mixed
5019 (BSD/POSIX) systems, such as SunOS 4.1.3.
5021 Further, the lockf() constants aren't POSIX, so they might not be
5022 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5023 just stick in the SVID values and be done with it. Sigh.
5027 # define F_ULOCK 0 /* Unlock a previously locked region */
5030 # define F_LOCK 1 /* Lock a region for exclusive use */
5033 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5036 # define F_TEST 3 /* Test a region for other processes locks */
5040 lockf_emulate_flock(int fd, int operation)
5046 /* flock locks entire file so for lockf we need to do the same */
5048 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5049 if (pos > 0) /* is seekable and needs to be repositioned */
5050 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5051 pos = -1; /* seek failed, so don't seek back afterwards */
5054 switch (operation) {
5056 /* LOCK_SH - get a shared lock */
5058 /* LOCK_EX - get an exclusive lock */
5060 i = lockf (fd, F_LOCK, 0);
5063 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5064 case LOCK_SH|LOCK_NB:
5065 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5066 case LOCK_EX|LOCK_NB:
5067 i = lockf (fd, F_TLOCK, 0);
5069 if ((errno == EAGAIN) || (errno == EACCES))
5070 errno = EWOULDBLOCK;
5073 /* LOCK_UN - unlock (non-blocking is a no-op) */
5075 case LOCK_UN|LOCK_NB:
5076 i = lockf (fd, F_ULOCK, 0);
5079 /* Default - can't decipher operation */
5086 if (pos > 0) /* need to restore position of the handle */
5087 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5092 #endif /* LOCKF_EMULATE_FLOCK */