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);
511 DIE(aTHX_ PL_no_usym, "filehandle");
516 DIE(aTHX_ PL_no_usym, "filehandle");
518 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
520 #if 0 /* no undef means tmpfile() yet */
521 if (sv == &PL_sv_undef) {
523 PerlIO *fp = PerlIO_tmpfile();
525 PerlIO *fp = tmpfile();
527 if (fp != Nullfp && do_open(gv, "+>&", 3, FALSE, 0, 0, fp))
528 PUSHi( (I32)PL_forkprocess );
533 #endif /* no undef means tmpfile() yet */
536 if (mg = SvTIED_mg((SV*)gv, 'q')) {
538 XPUSHs(SvTIED_obj((SV*)gv, mg));
542 call_method("OPEN", G_SCALAR);
548 tmps = SvPV(sv, len);
549 if (do_open(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp))
550 PUSHi( (I32)PL_forkprocess );
551 else if (PL_forkprocess == 0) /* we are a new child */
569 if (mg = SvTIED_mg((SV*)gv, 'q')) {
571 XPUSHs(SvTIED_obj((SV*)gv, mg));
574 call_method("CLOSE", G_SCALAR);
580 PUSHs(boolSV(do_close(gv, TRUE)));
600 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
601 DIE(aTHX_ PL_no_usym, "filehandle");
606 do_close(rgv, FALSE);
608 do_close(wgv, FALSE);
610 if (PerlProc_pipe(fd) < 0)
613 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
614 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
615 IoIFP(wstio) = IoOFP(wstio);
619 if (!IoIFP(rstio) || !IoOFP(wstio)) {
620 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
621 else PerlLIO_close(fd[0]);
622 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
623 else PerlLIO_close(fd[1]);
626 #if defined(HAS_FCNTL) && defined(F_SETFD)
627 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
628 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
635 DIE(aTHX_ PL_no_func, "pipe");
651 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
653 XPUSHs(SvTIED_obj((SV*)gv, mg));
656 call_method("FILENO", G_SCALAR);
662 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
664 PUSHi(PerlIO_fileno(fp));
675 anum = PerlLIO_umask(0);
676 (void)PerlLIO_umask(anum);
679 anum = PerlLIO_umask(POPi);
680 TAINT_PROPER("umask");
683 /* Only DIE if trying to restrict permissions on `user' (self).
684 * Otherwise it's harmless and more useful to just return undef
685 * since 'group' and 'other' concepts probably don't exist here. */
686 if (MAXARG >= 1 && (POPi & 0700))
687 DIE(aTHX_ "umask not implemented");
688 XPUSHs(&PL_sv_undef);
706 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
708 XPUSHs(SvTIED_obj((SV*)gv, mg));
711 call_method("BINMODE", G_SCALAR);
718 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
721 if (do_binmode(fp,IoTYPE(io),TRUE))
736 I32 markoff = MARK - PL_stack_base;
743 switch(SvTYPE(varsv)) {
745 methname = "TIEHASH";
748 methname = "TIEARRAY";
751 methname = "TIEHANDLE";
755 methname = "TIESCALAR";
760 if (sv_isobject(*MARK)) {
762 PUSHSTACKi(PERLSI_MAGIC);
768 call_method(methname, G_SCALAR);
771 /* Not clear why we don't call call_method here too.
772 * perhaps to get different error message ?
774 stash = gv_stashsv(*MARK, FALSE);
775 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
776 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
777 methname, SvPV(*MARK,n_a));
780 PUSHSTACKi(PERLSI_MAGIC);
786 call_sv((SV*)GvCV(gv), G_SCALAR);
792 if (sv_isobject(sv)) {
793 sv_unmagic(varsv, how);
794 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
797 SP = PL_stack_base + markoff;
806 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
808 if (ckWARN(WARN_UNTIE)) {
810 if (mg = SvTIED_mg(sv, how)) {
811 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
812 Perl_warner(aTHX_ WARN_UNTIE,
813 "untie attempted while %lu inner references still exist",
814 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
826 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
829 if (mg = SvTIED_mg(sv, how)) {
830 SV *osv = SvTIED_obj(sv, mg);
831 if (osv == mg->mg_obj)
832 osv = sv_mortalcopy(osv);
850 sv = sv_mortalcopy(&PL_sv_no);
851 sv_setpv(sv, "AnyDBM_File");
852 stash = gv_stashsv(sv, FALSE);
853 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
855 require_pv("AnyDBM_File.pm");
857 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
858 DIE(aTHX_ "No dbm on this machine");
868 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
870 PUSHs(sv_2mortal(newSViv(O_RDWR)));
873 call_sv((SV*)GvCV(gv), G_SCALAR);
876 if (!sv_isobject(TOPs)) {
881 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
884 call_sv((SV*)GvCV(gv), G_SCALAR);
888 if (sv_isobject(TOPs)) {
889 sv_unmagic((SV *) hv, 'P');
890 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
912 struct timeval timebuf;
913 struct timeval *tbuf = &timebuf;
917 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
922 # if BYTEORDER & 0xf0000
923 # define ORDERBYTE (0x88888888 - BYTEORDER)
925 # define ORDERBYTE (0x4444 - BYTEORDER)
931 for (i = 1; i <= 3; i++) {
939 /* little endians can use vecs directly */
940 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
941 # if SELECT_MIN_BITS > 1
942 /* If SELECT_MIN_BITS is greater than one we most probably will want
943 * to align the sizes with SELECT_MIN_BITS/8 because for example
944 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
945 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
946 * on (sets/tests/clears bits) is 32 bits. */
947 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
949 growsize = sizeof(fd_set);
958 masksize = NFDBITS / NBBY;
960 masksize = sizeof(long); /* documented int, everyone seems to use long */
962 growsize = maxlen + (masksize - (maxlen % masksize));
963 Zero(&fd_sets[0], 4, char*);
971 timebuf.tv_sec = (long)value;
972 value -= (NV)timebuf.tv_sec;
973 timebuf.tv_usec = (long)(value * 1000000.0);
976 tbuf = Null(struct timeval*);
978 for (i = 1; i <= 3; i++) {
985 SvPV_force(sv,n_a); /* force string conversion */
988 Sv_Grow(sv, growsize);
992 while (++j <= growsize) {
996 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
998 New(403, fd_sets[i], growsize, char);
999 for (offset = 0; offset < growsize; offset += masksize) {
1000 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1001 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1004 fd_sets[i] = SvPVX(sv);
1008 nfound = PerlSock_select(
1010 (Select_fd_set_t) fd_sets[1],
1011 (Select_fd_set_t) fd_sets[2],
1012 (Select_fd_set_t) fd_sets[3],
1014 for (i = 1; i <= 3; i++) {
1017 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1019 for (offset = 0; offset < growsize; offset += masksize) {
1020 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1021 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1023 Safefree(fd_sets[i]);
1030 if (GIMME == G_ARRAY && tbuf) {
1031 value = (NV)(timebuf.tv_sec) +
1032 (NV)(timebuf.tv_usec) / 1000000.0;
1033 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1034 sv_setnv(sv, value);
1038 DIE(aTHX_ "select not implemented");
1043 Perl_setdefout(pTHX_ GV *gv)
1047 (void)SvREFCNT_inc(gv);
1049 SvREFCNT_dec(PL_defoutgv);
1056 GV *newdefout, *egv;
1059 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1061 egv = GvEGV(PL_defoutgv);
1066 XPUSHs(&PL_sv_undef);
1068 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1069 if (gvp && *gvp == egv) {
1070 gv_efullname3(TARG, PL_defoutgv, Nullch);
1074 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1079 if (!GvIO(newdefout))
1080 gv_IOadd(newdefout);
1081 setdefout(newdefout);
1100 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1101 I32 gimme = GIMME_V;
1103 XPUSHs(SvTIED_obj((SV*)gv, mg));
1106 call_method("GETC", gimme);
1109 if (gimme == G_SCALAR)
1110 SvSetMagicSV_nosteal(TARG, TOPs);
1113 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1116 sv_setpv(TARG, " ");
1117 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1124 return pp_sysread();
1128 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1131 register PERL_CONTEXT *cx;
1132 I32 gimme = GIMME_V;
1133 AV* padlist = CvPADLIST(cv);
1134 SV** svp = AvARRAY(padlist);
1140 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1142 SAVESPTR(PL_curpad);
1143 PL_curpad = AvARRAY((AV*)svp[1]);
1145 setdefout(gv); /* locally select filehandle so $% et al work */
1177 SV *tmpsv = sv_newmortal();
1178 gv_efullname3(tmpsv, fgv, Nullch);
1179 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1181 DIE(aTHX_ "Not a format reference");
1184 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1186 IoFLAGS(io) &= ~IOf_DIDTOP;
1187 return doform(cv,gv,PL_op->op_next);
1193 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1194 register IO *io = GvIOp(gv);
1195 PerlIO *ofp = IoOFP(io);
1199 register PERL_CONTEXT *cx;
1201 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1202 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1203 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1204 PL_formtarget != PL_toptarget)
1208 if (!IoTOP_GV(io)) {
1212 if (!IoTOP_NAME(io)) {
1213 if (!IoFMT_NAME(io))
1214 IoFMT_NAME(io) = savepv(GvNAME(gv));
1215 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1216 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1217 if ((topgv && GvFORM(topgv)) ||
1218 !gv_fetchpv("top",FALSE,SVt_PVFM))
1219 IoTOP_NAME(io) = savepv(SvPVX(topname));
1221 IoTOP_NAME(io) = savepv("top");
1223 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1224 if (!topgv || !GvFORM(topgv)) {
1225 IoLINES_LEFT(io) = 100000000;
1228 IoTOP_GV(io) = topgv;
1230 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1231 I32 lines = IoLINES_LEFT(io);
1232 char *s = SvPVX(PL_formtarget);
1233 if (lines <= 0) /* Yow, header didn't even fit!!! */
1235 while (lines-- > 0) {
1236 s = strchr(s, '\n');
1242 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1243 sv_chop(PL_formtarget, s);
1244 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1247 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1248 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1249 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1251 PL_formtarget = PL_toptarget;
1252 IoFLAGS(io) |= IOf_DIDTOP;
1255 DIE(aTHX_ "bad top format reference");
1258 SV *tmpsv = sv_newmortal();
1259 gv_efullname3(tmpsv, fgv, Nullch);
1260 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1263 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1264 return doform(cv,gv,PL_op);
1268 POPBLOCK(cx,PL_curpm);
1274 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1275 SV* sv = sv_newmortal();
1276 gv_efullname3(sv, gv, Nullch);
1278 Perl_warner(aTHX_ WARN_IO,
1279 "Filehandle %s opened only for input",
1281 else if (ckWARN(WARN_CLOSED))
1282 Perl_warner(aTHX_ WARN_CLOSED,
1283 "Write on closed filehandle %s", SvPV_nolen(sv));
1288 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1289 if (ckWARN(WARN_IO))
1290 Perl_warner(aTHX_ WARN_IO, "page overflow");
1292 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1296 FmLINES(PL_formtarget) = 0;
1297 SvCUR_set(PL_formtarget, 0);
1298 *SvEND(PL_formtarget) = '\0';
1299 if (IoFLAGS(io) & IOf_FLUSH)
1300 (void)PerlIO_flush(fp);
1304 PL_formtarget = PL_bodytarget;
1306 return pop_return();
1311 djSP; dMARK; dORIGMARK;
1319 if (PL_op->op_flags & OPf_STACKED)
1324 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1325 if (MARK == ORIGMARK) {
1328 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1332 *MARK = SvTIED_obj((SV*)gv, mg);
1335 call_method("PRINTF", G_SCALAR);
1338 MARK = ORIGMARK + 1;
1345 if (!(io = GvIO(gv))) {
1346 if (ckWARN(WARN_UNOPENED)) {
1347 gv_efullname3(sv, gv, Nullch);
1348 Perl_warner(aTHX_ WARN_UNOPENED,
1349 "Filehandle %s never opened", SvPV(sv,n_a));
1351 SETERRNO(EBADF,RMS$_IFI);
1354 else if (!(fp = IoOFP(io))) {
1355 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1356 gv_efullname3(sv, gv, Nullch);
1358 Perl_warner(aTHX_ WARN_IO,
1359 "Filehandle %s opened only for input",
1361 else if (ckWARN(WARN_CLOSED))
1362 Perl_warner(aTHX_ WARN_CLOSED,
1363 "printf on closed filehandle %s", SvPV(sv,n_a));
1365 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1369 do_sprintf(sv, SP - MARK, MARK + 1);
1370 if (!do_print(sv, fp))
1373 if (IoFLAGS(io) & IOf_FLUSH)
1374 if (PerlIO_flush(fp) == EOF)
1385 PUSHs(&PL_sv_undef);
1406 /* Need TIEHANDLE method ? */
1408 tmps = SvPV(sv, len);
1409 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1410 IoLINES(GvIOp(gv)) = 0;
1414 PUSHs(&PL_sv_undef);
1421 djSP; dMARK; dORIGMARK; dTARGET;
1427 Sock_size_t bufsize;
1433 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1434 (mg = SvTIED_mg((SV*)gv, 'q')))
1439 *MARK = SvTIED_obj((SV*)gv, mg);
1441 call_method("READ", G_SCALAR);
1454 sv_setpvn(bufsv, "", 0);
1455 buffer = SvPV_force(bufsv, blen);
1456 length = SvIVx(*++MARK);
1458 DIE(aTHX_ "Negative length");
1461 offset = SvIVx(*++MARK);
1465 if (!io || !IoIFP(io))
1468 if (PL_op->op_type == OP_RECV) {
1469 char namebuf[MAXPATHLEN];
1470 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1471 bufsize = sizeof (struct sockaddr_in);
1473 bufsize = sizeof namebuf;
1475 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1479 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1483 buffer = SvGROW(bufsv, length+1);
1484 /* 'offset' means 'flags' here */
1485 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1486 (struct sockaddr *)namebuf, &bufsize);
1489 SvCUR_set(bufsv, length);
1490 *SvEND(bufsv) = '\0';
1491 (void)SvPOK_only(bufsv);
1493 /* This should not be marked tainted if the fp is marked clean */
1494 if (!(IoFLAGS(io) & IOf_UNTAINT))
1495 SvTAINTED_on(bufsv);
1497 sv_setpvn(TARG, namebuf, bufsize);
1502 if (PL_op->op_type == OP_RECV)
1503 DIE(aTHX_ PL_no_sock_func, "recv");
1507 DIE(aTHX_ "Offset outside string");
1510 bufsize = SvCUR(bufsv);
1511 buffer = SvGROW(bufsv, length+offset+1);
1512 if (offset > bufsize) { /* Zero any newly allocated space */
1513 Zero(buffer+bufsize, offset-bufsize, char);
1515 if (PL_op->op_type == OP_SYSREAD) {
1516 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1517 if (IoTYPE(io) == 's') {
1518 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1519 buffer+offset, length, 0);
1524 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1525 buffer+offset, length);
1529 #ifdef HAS_SOCKET__bad_code_maybe
1530 if (IoTYPE(io) == 's') {
1531 char namebuf[MAXPATHLEN];
1532 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1533 bufsize = sizeof (struct sockaddr_in);
1535 bufsize = sizeof namebuf;
1537 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1538 (struct sockaddr *)namebuf, &bufsize);
1543 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1544 /* fread() returns 0 on both error and EOF */
1545 if (length == 0 && PerlIO_error(IoIFP(io)))
1549 if (IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1550 || IoIFP(io) == PerlIO_stderr())
1552 SV* sv = sv_newmortal();
1553 gv_efullname3(sv, gv, Nullch);
1554 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1559 SvCUR_set(bufsv, length+offset);
1560 *SvEND(bufsv) = '\0';
1561 (void)SvPOK_only(bufsv);
1563 /* This should not be marked tainted if the fp is marked clean */
1564 if (!(IoFLAGS(io) & IOf_UNTAINT))
1565 SvTAINTED_on(bufsv);
1578 int items = (SP - PL_stack_base) - TOPMARK;
1582 sv = sv_2mortal(newSViv(sv_len(*SP)));
1591 djSP; dMARK; dORIGMARK; dTARGET;
1602 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1606 *MARK = SvTIED_obj((SV*)gv, mg);
1608 call_method("WRITE", G_SCALAR);
1619 buffer = SvPV(bufsv, blen);
1620 length = SvIVx(*++MARK);
1622 DIE(aTHX_ "Negative length");
1625 if (!io || !IoIFP(io)) {
1627 if (ckWARN(WARN_CLOSED)) {
1628 if (PL_op->op_type == OP_SYSWRITE)
1629 Perl_warner(aTHX_ WARN_CLOSED, "Syswrite on closed filehandle");
1631 Perl_warner(aTHX_ WARN_CLOSED, "Send on closed socket");
1634 else if (PL_op->op_type == OP_SYSWRITE) {
1636 offset = SvIVx(*++MARK);
1639 DIE(aTHX_ "Offset outside string");
1641 } else if (offset >= blen && blen > 0)
1642 DIE(aTHX_ "Offset outside string");
1645 if (length > blen - offset)
1646 length = blen - offset;
1647 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1648 if (IoTYPE(io) == 's') {
1649 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1650 buffer+offset, length, 0);
1655 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1656 buffer+offset, length);
1660 else if (SP > MARK) {
1663 sockbuf = SvPVx(*++MARK, mlen);
1664 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1665 (struct sockaddr *)sockbuf, mlen);
1668 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1672 DIE(aTHX_ PL_no_sock_func, "send");
1687 return pp_sysread();
1699 gv = PL_last_in_gv = (GV*)POPs;
1701 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1703 XPUSHs(SvTIED_obj((SV*)gv, mg));
1706 call_method("EOF", G_SCALAR);
1712 PUSHs(boolSV(!gv || do_eof(gv)));
1725 gv = PL_last_in_gv = (GV*)POPs;
1727 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1729 XPUSHs(SvTIED_obj((SV*)gv, mg));
1732 call_method("TELL", G_SCALAR);
1738 PUSHi( do_tell(gv) );
1744 return pp_sysseek();
1752 Off_t offset = POPl;
1755 gv = PL_last_in_gv = (GV*)POPs;
1757 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1759 XPUSHs(SvTIED_obj((SV*)gv, mg));
1760 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1761 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1764 call_method("SEEK", G_SCALAR);
1770 if (PL_op->op_type == OP_SEEK)
1771 PUSHs(boolSV(do_seek(gv, offset, whence)));
1773 Off_t n = do_sysseek(gv, offset, whence);
1774 PUSHs((n < 0) ? &PL_sv_undef
1775 : sv_2mortal(n ? newSViv((IV)n)
1776 : newSVpvn(zero_but_true, ZBTLEN)));
1784 Off_t len = (Off_t)POPn;
1790 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1791 if (PL_op->op_flags & OPf_SPECIAL) {
1792 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1794 TAINT_PROPER("truncate");
1795 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1797 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1799 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1808 if (SvTYPE(sv) == SVt_PVGV) {
1809 tmpgv = (GV*)sv; /* *main::FRED for example */
1812 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1813 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1817 name = SvPV(sv, n_a);
1818 TAINT_PROPER("truncate");
1820 if (truncate(name, len) < 0)
1825 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1828 if (my_chsize(tmpfd, len) < 0)
1830 PerlLIO_close(tmpfd);
1839 SETERRNO(EBADF,RMS$_IFI);
1842 DIE(aTHX_ "truncate not implemented");
1855 unsigned int func = U_I(POPn);
1856 int optype = PL_op->op_type;
1862 if (!io || !argsv || !IoIFP(io)) {
1863 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1867 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1870 s = SvPV_force(argsv, len);
1871 need = IOCPARM_LEN(func);
1873 s = Sv_Grow(argsv, need + 1);
1874 SvCUR_set(argsv, need);
1877 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1880 retval = SvIV(argsv);
1881 s = (char*)retval; /* ouch */
1884 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1886 if (optype == OP_IOCTL)
1888 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1890 DIE(aTHX_ "ioctl is not implemented");
1894 #if defined(OS2) && defined(__EMX__)
1895 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1897 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1900 DIE(aTHX_ "fcntl is not implemented");
1904 if (s[SvCUR(argsv)] != 17)
1905 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1906 PL_op_name[optype]);
1907 s[SvCUR(argsv)] = 0; /* put our null back */
1908 SvSETMAGIC(argsv); /* Assume it has changed */
1917 PUSHp(zero_but_true, ZBTLEN);
1937 fp = IoIFP(GvIOp(gv));
1941 (void)PerlIO_flush(fp);
1942 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1949 DIE(aTHX_ PL_no_func, "flock()");
1961 int protocol = POPi;
1969 SETERRNO(EBADF,LIB$_INVARG);
1975 do_close(gv, FALSE);
1977 TAINT_PROPER("socket");
1978 fd = PerlSock_socket(domain, type, protocol);
1981 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1982 IoOFP(io) = PerlIO_fdopen(fd, "w");
1984 if (!IoIFP(io) || !IoOFP(io)) {
1985 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1986 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1987 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1993 DIE(aTHX_ PL_no_sock_func, "socket");
2000 #ifdef HAS_SOCKETPAIR
2005 int protocol = POPi;
2018 do_close(gv1, FALSE);
2020 do_close(gv2, FALSE);
2022 TAINT_PROPER("socketpair");
2023 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2025 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2026 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2028 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2029 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2031 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2032 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2033 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2034 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2035 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2036 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2037 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2043 DIE(aTHX_ PL_no_sock_func, "socketpair");
2051 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2052 extern GETPRIVMODE();
2053 extern GETUSERMODE();
2058 register IO *io = GvIOn(gv);
2062 int mpeprivmode = 0;
2065 if (!io || !IoIFP(io))
2068 addr = SvPV(addrsv, len);
2069 TAINT_PROPER("bind");
2070 #ifdef MPE /* Deal with MPE bind() peculiarities */
2071 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2072 /* The address *MUST* stupidly be zero. */
2073 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2074 /* PRIV mode is required to bind() to ports < 1024. */
2075 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2076 ((struct sockaddr_in *)addr)->sin_port > 0) {
2077 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2082 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2083 (struct sockaddr *)addr, len) >= 0)
2086 #ifdef MPE /* Switch back to USER mode */
2097 if (ckWARN(WARN_CLOSED))
2098 Perl_warner(aTHX_ WARN_CLOSED, "bind() on closed fd");
2099 SETERRNO(EBADF,SS$_IVCHAN);
2102 DIE(aTHX_ PL_no_sock_func, "bind");
2113 register IO *io = GvIOn(gv);
2116 if (!io || !IoIFP(io))
2119 addr = SvPV(addrsv, len);
2120 TAINT_PROPER("connect");
2121 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2127 if (ckWARN(WARN_CLOSED))
2128 Perl_warner(aTHX_ WARN_CLOSED, "connect() on closed fd");
2129 SETERRNO(EBADF,SS$_IVCHAN);
2132 DIE(aTHX_ PL_no_sock_func, "connect");
2142 register IO *io = GvIOn(gv);
2144 if (!io || !IoIFP(io))
2147 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2153 if (ckWARN(WARN_CLOSED))
2154 Perl_warner(aTHX_ WARN_CLOSED, "listen() on closed fd");
2155 SETERRNO(EBADF,SS$_IVCHAN);
2158 DIE(aTHX_ PL_no_sock_func, "listen");
2170 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2171 Sock_size_t len = sizeof saddr;
2183 if (!gstio || !IoIFP(gstio))
2188 do_close(ngv, FALSE);
2190 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2193 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2194 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2195 IoTYPE(nstio) = 's';
2196 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2197 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2198 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2199 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2203 PUSHp((char *)&saddr, len);
2207 if (ckWARN(WARN_CLOSED))
2208 Perl_warner(aTHX_ WARN_CLOSED, "accept() on closed fd");
2209 SETERRNO(EBADF,SS$_IVCHAN);
2215 DIE(aTHX_ PL_no_sock_func, "accept");
2225 register IO *io = GvIOn(gv);
2227 if (!io || !IoIFP(io))
2230 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2234 if (ckWARN(WARN_CLOSED))
2235 Perl_warner(aTHX_ WARN_CLOSED, "shutdown() on closed fd");
2236 SETERRNO(EBADF,SS$_IVCHAN);
2239 DIE(aTHX_ PL_no_sock_func, "shutdown");
2246 return pp_ssockopt();
2248 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2256 int optype = PL_op->op_type;
2259 unsigned int optname;
2265 if (optype == OP_GSOCKOPT)
2266 sv = sv_2mortal(NEWSV(22, 257));
2269 optname = (unsigned int) POPi;
2270 lvl = (unsigned int) POPi;
2274 if (!io || !IoIFP(io))
2277 fd = PerlIO_fileno(IoIFP(io));
2281 (void)SvPOK_only(sv);
2285 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2300 aint = (int)SvIV(sv);
2304 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2313 if (ckWARN(WARN_CLOSED))
2314 Perl_warner(aTHX_ WARN_CLOSED, "[gs]etsockopt() on closed fd");
2315 SETERRNO(EBADF,SS$_IVCHAN);
2320 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2327 return pp_getpeername();
2329 DIE(aTHX_ PL_no_sock_func, "getsockname");
2337 int optype = PL_op->op_type;
2341 register IO *io = GvIOn(gv);
2344 if (!io || !IoIFP(io))
2347 sv = sv_2mortal(NEWSV(22, 257));
2348 (void)SvPOK_only(sv);
2352 fd = PerlIO_fileno(IoIFP(io));
2354 case OP_GETSOCKNAME:
2355 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2358 case OP_GETPEERNAME:
2359 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2361 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2363 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2364 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2365 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2366 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2367 sizeof(u_short) + sizeof(struct in_addr))) {
2374 #ifdef BOGUS_GETNAME_RETURN
2375 /* Interactive Unix, getpeername() and getsockname()
2376 does not return valid namelen */
2377 if (len == BOGUS_GETNAME_RETURN)
2378 len = sizeof(struct sockaddr);
2386 if (ckWARN(WARN_CLOSED))
2387 Perl_warner(aTHX_ WARN_CLOSED, "get{sock, peer}name() on closed fd");
2388 SETERRNO(EBADF,SS$_IVCHAN);
2393 DIE(aTHX_ PL_no_sock_func, "getpeername");
2412 if (PL_op->op_flags & OPf_REF) {
2413 tmpgv = cGVOP->op_gv;
2415 if (tmpgv != PL_defgv) {
2416 PL_laststype = OP_STAT;
2418 sv_setpv(PL_statname, "");
2419 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2420 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2422 if (PL_laststatval < 0)
2427 if (SvTYPE(sv) == SVt_PVGV) {
2431 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2432 tmpgv = (GV*)SvRV(sv);
2435 sv_setpv(PL_statname, SvPV(sv,n_a));
2438 PL_laststype = PL_op->op_type;
2439 if (PL_op->op_type == OP_LSTAT)
2440 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2443 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2444 if (PL_laststatval < 0) {
2445 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2446 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2452 if (gimme != G_ARRAY) {
2453 if (gimme != G_VOID)
2454 XPUSHs(boolSV(max));
2460 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2461 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2462 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2463 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2464 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2465 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2466 #ifdef USE_STAT_RDEV
2467 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2469 PUSHs(sv_2mortal(newSVpvn("", 0)));
2471 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2473 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2474 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2475 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2477 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2478 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2479 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2481 #ifdef USE_STAT_BLOCKS
2482 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2483 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2485 PUSHs(sv_2mortal(newSVpvn("", 0)));
2486 PUSHs(sv_2mortal(newSVpvn("", 0)));
2496 #if defined(HAS_ACCESS) && defined(R_OK)
2498 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2499 result = access(TOPpx, R_OK);
2514 if (cando(S_IRUSR, 0, &PL_statcache))
2523 #if defined(HAS_ACCESS) && defined(W_OK)
2525 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2526 result = access(TOPpx, W_OK);
2541 if (cando(S_IWUSR, 0, &PL_statcache))
2550 #if defined(HAS_ACCESS) && defined(X_OK)
2552 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2553 result = access(TOPpx, X_OK);
2568 if (cando(S_IXUSR, 0, &PL_statcache))
2577 #ifdef PERL_EFF_ACCESS_R_OK
2579 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2580 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2595 if (cando(S_IRUSR, 1, &PL_statcache))
2604 #ifdef PERL_EFF_ACCESS_W_OK
2606 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2607 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2622 if (cando(S_IWUSR, 1, &PL_statcache))
2631 #ifdef PERL_EFF_ACCESS_X_OK
2633 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2634 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2649 if (cando(S_IXUSR, 1, &PL_statcache))
2656 I32 result = my_stat();
2665 return pp_ftrowned();
2670 I32 result = my_stat();
2674 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2681 I32 result = my_stat();
2685 if (!PL_statcache.st_size)
2692 I32 result = my_stat();
2696 PUSHi(PL_statcache.st_size);
2702 I32 result = my_stat();
2706 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2712 I32 result = my_stat();
2716 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2722 I32 result = my_stat();
2726 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2732 I32 result = my_stat();
2736 if (S_ISSOCK(PL_statcache.st_mode))
2743 I32 result = my_stat();
2747 if (S_ISCHR(PL_statcache.st_mode))
2754 I32 result = my_stat();
2758 if (S_ISBLK(PL_statcache.st_mode))
2765 I32 result = my_stat();
2769 if (S_ISREG(PL_statcache.st_mode))
2776 I32 result = my_stat();
2780 if (S_ISDIR(PL_statcache.st_mode))
2787 I32 result = my_stat();
2791 if (S_ISFIFO(PL_statcache.st_mode))
2798 I32 result = my_lstat();
2802 if (S_ISLNK(PL_statcache.st_mode))
2811 I32 result = my_stat();
2815 if (PL_statcache.st_mode & S_ISUID)
2825 I32 result = my_stat();
2829 if (PL_statcache.st_mode & S_ISGID)
2839 I32 result = my_stat();
2843 if (PL_statcache.st_mode & S_ISVTX)
2854 char *tmps = Nullch;
2857 if (PL_op->op_flags & OPf_REF)
2859 else if (isGV(TOPs))
2861 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2862 gv = (GV*)SvRV(POPs);
2864 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2866 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2867 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2868 else if (tmps && isDIGIT(*tmps))
2872 if (PerlLIO_isatty(fd))
2877 #if defined(atarist) /* this will work with atariST. Configure will
2878 make guesses for other systems. */
2879 # define FILE_base(f) ((f)->_base)
2880 # define FILE_ptr(f) ((f)->_ptr)
2881 # define FILE_cnt(f) ((f)->_cnt)
2882 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2892 register STDCHAR *s;
2898 if (PL_op->op_flags & OPf_REF)
2900 else if (isGV(TOPs))
2902 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2903 gv = (GV*)SvRV(POPs);
2909 if (gv == PL_defgv) {
2911 io = GvIO(PL_statgv);
2914 goto really_filename;
2919 PL_laststatval = -1;
2920 sv_setpv(PL_statname, "");
2921 io = GvIO(PL_statgv);
2923 if (io && IoIFP(io)) {
2924 if (! PerlIO_has_base(IoIFP(io)))
2925 DIE(aTHX_ "-T and -B not implemented on filehandles");
2926 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2927 if (PL_laststatval < 0)
2929 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2930 if (PL_op->op_type == OP_FTTEXT)
2934 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2935 i = PerlIO_getc(IoIFP(io));
2937 (void)PerlIO_ungetc(IoIFP(io),i);
2939 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2941 len = PerlIO_get_bufsiz(IoIFP(io));
2942 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2943 /* sfio can have large buffers - limit to 512 */
2948 if (ckWARN(WARN_UNOPENED))
2949 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
2950 GvENAME(cGVOP->op_gv));
2951 SETERRNO(EBADF,RMS$_IFI);
2959 PL_laststatval = -1;
2960 sv_setpv(PL_statname, SvPV(sv, n_a));
2962 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2964 i = PerlLIO_open(SvPV(sv, n_a), 0);
2967 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2968 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
2971 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2972 if (PL_laststatval < 0)
2974 len = PerlLIO_read(i, tbuf, 512);
2975 (void)PerlLIO_close(i);
2977 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2978 RETPUSHNO; /* special case NFS directories */
2979 RETPUSHYES; /* null file is anything */
2984 /* now scan s to look for textiness */
2985 /* XXX ASCII dependent code */
2987 for (i = 0; i < len; i++, s++) {
2988 if (!*s) { /* null never allowed in text */
2993 else if (!(isPRINT(*s) || isSPACE(*s)))
2999 *s != '\n' && *s != '\r' && *s != '\b' &&
3000 *s != '\t' && *s != '\f' && *s != 27)
3005 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3029 if (!tmps || !*tmps) {
3030 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3032 tmps = SvPV(*svp, n_a);
3034 if (!tmps || !*tmps) {
3035 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3037 tmps = SvPV(*svp, n_a);
3040 if (!tmps || !*tmps) {
3041 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3043 tmps = SvPV(*svp, n_a);
3046 TAINT_PROPER("chdir");
3047 PUSHi( PerlDir_chdir(tmps) >= 0 );
3049 /* Clear the DEFAULT element of ENV so we'll get the new value
3051 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3058 djSP; dMARK; dTARGET;
3061 value = (I32)apply(PL_op->op_type, MARK, SP);
3066 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3077 TAINT_PROPER("chroot");
3078 PUSHi( chroot(tmps) >= 0 );
3081 DIE(aTHX_ PL_no_func, "chroot");
3087 djSP; dMARK; dTARGET;
3089 value = (I32)apply(PL_op->op_type, MARK, SP);
3097 djSP; dMARK; dTARGET;
3099 value = (I32)apply(PL_op->op_type, MARK, SP);
3107 djSP; dMARK; dTARGET;
3109 value = (I32)apply(PL_op->op_type, MARK, SP);
3121 char *tmps2 = POPpx;
3122 char *tmps = SvPV(TOPs, n_a);
3123 TAINT_PROPER("rename");
3125 anum = PerlLIO_rename(tmps, tmps2);
3127 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3128 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3131 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3132 (void)UNLINK(tmps2);
3133 if (!(anum = link(tmps, tmps2)))
3134 anum = UNLINK(tmps);
3147 char *tmps2 = POPpx;
3148 char *tmps = SvPV(TOPs, n_a);
3149 TAINT_PROPER("link");
3150 SETi( link(tmps, tmps2) >= 0 );
3152 DIE(aTHX_ PL_no_func, "Unsupported function link");
3162 char *tmps2 = POPpx;
3163 char *tmps = SvPV(TOPs, n_a);
3164 TAINT_PROPER("symlink");
3165 SETi( symlink(tmps, tmps2) >= 0 );
3168 DIE(aTHX_ PL_no_func, "symlink");
3177 char buf[MAXPATHLEN];
3181 #ifndef INCOMPLETE_TAINTS
3185 len = readlink(tmps, buf, sizeof buf);
3193 RETSETUNDEF; /* just pretend it's a normal file */
3197 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3199 S_dooneliner(pTHX_ char *cmd, char *filename)
3201 char *save_filename = filename;
3207 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3208 strcpy(cmdline, cmd);
3209 strcat(cmdline, " ");
3210 for (s = cmdline + strlen(cmdline); *filename; ) {
3215 myfp = PerlProc_popen(cmdline, "r");
3219 SV *tmpsv = sv_newmortal();
3220 /* Need to save/restore 'PL_rs' ?? */
3221 s = sv_gets(tmpsv, myfp, 0);
3222 (void)PerlProc_pclose(myfp);
3226 #ifdef HAS_SYS_ERRLIST
3231 /* you don't see this */
3233 #ifdef HAS_SYS_ERRLIST
3241 if (instr(s, errmsg)) {
3248 #define EACCES EPERM
3250 if (instr(s, "cannot make"))
3251 SETERRNO(EEXIST,RMS$_FEX);
3252 else if (instr(s, "existing file"))
3253 SETERRNO(EEXIST,RMS$_FEX);
3254 else if (instr(s, "ile exists"))
3255 SETERRNO(EEXIST,RMS$_FEX);
3256 else if (instr(s, "non-exist"))
3257 SETERRNO(ENOENT,RMS$_FNF);
3258 else if (instr(s, "does not exist"))
3259 SETERRNO(ENOENT,RMS$_FNF);
3260 else if (instr(s, "not empty"))
3261 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3262 else if (instr(s, "cannot access"))
3263 SETERRNO(EACCES,RMS$_PRV);
3265 SETERRNO(EPERM,RMS$_PRV);
3268 else { /* some mkdirs return no failure indication */
3269 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3270 if (PL_op->op_type == OP_RMDIR)
3275 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3292 char *tmps = SvPV(TOPs, n_a);
3294 TAINT_PROPER("mkdir");
3296 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3298 SETi( dooneliner("mkdir", tmps) );
3299 oldumask = PerlLIO_umask(0);
3300 PerlLIO_umask(oldumask);
3301 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3313 TAINT_PROPER("rmdir");
3315 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3317 XPUSHi( dooneliner("rmdir", tmps) );
3322 /* Directory calls. */
3327 #if defined(Direntry_t) && defined(HAS_READDIR)
3329 char *dirname = POPpx;
3331 register IO *io = GvIOn(gv);
3337 PerlDir_close(IoDIRP(io));
3338 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3344 SETERRNO(EBADF,RMS$_DIR);
3347 DIE(aTHX_ PL_no_dir_func, "opendir");
3354 #if defined(Direntry_t) && defined(HAS_READDIR)
3356 Direntry_t *readdir (DIR *);
3358 register Direntry_t *dp;
3360 register IO *io = GvIOn(gv);
3363 if (!io || !IoDIRP(io))
3366 if (GIMME == G_ARRAY) {
3368 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3370 sv = newSVpvn(dp->d_name, dp->d_namlen);
3372 sv = newSVpv(dp->d_name, 0);
3374 #ifndef INCOMPLETE_TAINTS
3377 XPUSHs(sv_2mortal(sv));
3381 if (!(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));
3397 SETERRNO(EBADF,RMS$_ISI);
3398 if (GIMME == G_ARRAY)
3403 DIE(aTHX_ PL_no_dir_func, "readdir");
3410 #if defined(HAS_TELLDIR) || defined(telldir)
3411 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3412 /* XXX netbsd still seemed to.
3413 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3414 --JHI 1999-Feb-02 */
3415 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3416 long telldir (DIR *);
3419 register IO *io = GvIOn(gv);
3421 if (!io || !IoDIRP(io))
3424 PUSHi( PerlDir_tell(IoDIRP(io)) );
3428 SETERRNO(EBADF,RMS$_ISI);
3431 DIE(aTHX_ PL_no_dir_func, "telldir");
3438 #if defined(HAS_SEEKDIR) || defined(seekdir)
3441 register IO *io = GvIOn(gv);
3443 if (!io || !IoDIRP(io))
3446 (void)PerlDir_seek(IoDIRP(io), along);
3451 SETERRNO(EBADF,RMS$_ISI);
3454 DIE(aTHX_ PL_no_dir_func, "seekdir");
3461 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3463 register IO *io = GvIOn(gv);
3465 if (!io || !IoDIRP(io))
3468 (void)PerlDir_rewind(IoDIRP(io));
3472 SETERRNO(EBADF,RMS$_ISI);
3475 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3482 #if defined(Direntry_t) && defined(HAS_READDIR)
3484 register IO *io = GvIOn(gv);
3486 if (!io || !IoDIRP(io))
3489 #ifdef VOID_CLOSEDIR
3490 PerlDir_close(IoDIRP(io));
3492 if (PerlDir_close(IoDIRP(io)) < 0) {
3493 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3502 SETERRNO(EBADF,RMS$_IFI);
3505 DIE(aTHX_ PL_no_dir_func, "closedir");
3509 /* Process control. */
3519 PERL_FLUSHALL_FOR_CHILD;
3525 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3526 sv_setiv(GvSV(tmpgv), (IV)getpid());
3527 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3532 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3538 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3543 childpid = wait4pid(-1, &argflags, 0);
3544 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3548 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3554 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3562 childpid = wait4pid(childpid, &argflags, optype);
3563 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3567 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3573 djSP; dMARK; dORIGMARK; dTARGET;
3578 Sigsave_t ihand,qhand; /* place to save signals during system() */
3583 if (SP - MARK == 1) {
3585 char *junk = SvPV(TOPs, n_a);
3587 TAINT_PROPER("system");
3590 PERL_FLUSHALL_FOR_CHILD;
3591 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3592 if (PerlProc_pipe(pp) >= 0)
3594 while ((childpid = vfork()) == -1) {
3595 if (errno != EAGAIN) {
3600 PerlLIO_close(pp[0]);
3601 PerlLIO_close(pp[1]);
3609 PerlLIO_close(pp[1]);
3610 rsignal_save(SIGINT, SIG_IGN, &ihand);
3611 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3613 result = wait4pid(childpid, &status, 0);
3614 } while (result == -1 && errno == EINTR);
3615 (void)rsignal_restore(SIGINT, &ihand);
3616 (void)rsignal_restore(SIGQUIT, &qhand);
3617 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3618 do_execfree(); /* free any memory child malloced on vfork */
3624 while (n < sizeof(int)) {
3625 n1 = PerlLIO_read(pp[0],
3626 (void*)(((char*)&errkid)+n),
3632 PerlLIO_close(pp[0]);
3633 if (n) { /* Error */
3634 if (n != sizeof(int))
3635 Perl_croak(aTHX_ "panic: kid popen errno read");
3636 errno = errkid; /* Propagate errno from kid */
3637 STATUS_CURRENT = -1;
3640 PUSHi(STATUS_CURRENT);
3644 PerlLIO_close(pp[0]);
3645 #if defined(HAS_FCNTL) && defined(F_SETFD)
3646 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3649 if (PL_op->op_flags & OPf_STACKED) {
3650 SV *really = *++MARK;
3651 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3653 else if (SP - MARK != 1)
3654 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3656 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3659 #else /* ! FORK or VMS or OS/2 */
3660 if (PL_op->op_flags & OPf_STACKED) {
3661 SV *really = *++MARK;
3662 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3664 else if (SP - MARK != 1)
3665 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3667 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3669 STATUS_NATIVE_SET(value);
3672 PUSHi(STATUS_CURRENT);
3673 #endif /* !FORK or VMS */
3679 djSP; dMARK; dORIGMARK; dTARGET;
3683 PERL_FLUSHALL_FOR_CHILD;
3684 if (PL_op->op_flags & OPf_STACKED) {
3685 SV *really = *++MARK;
3686 value = (I32)do_aexec(really, MARK, SP);
3688 else if (SP - MARK != 1)
3690 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3694 (void ) do_aspawn(Nullsv, MARK, SP);
3698 value = (I32)do_aexec(Nullsv, MARK, SP);
3703 char *junk = SvPV(*SP, n_a);
3705 TAINT_PROPER("exec");
3708 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3711 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3714 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3725 djSP; dMARK; dTARGET;
3728 value = (I32)apply(PL_op->op_type, MARK, SP);
3733 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3741 XPUSHi( getppid() );
3744 DIE(aTHX_ PL_no_func, "getppid");
3760 value = (I32)BSD_GETPGRP(pid);
3762 if (pid != 0 && pid != getpid())
3763 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3764 value = (I32)getpgrp();
3769 DIE(aTHX_ PL_no_func, "getpgrp()");
3788 TAINT_PROPER("setpgrp");
3790 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3792 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3793 DIE(aTHX_ "POSIX setpgrp can't take an argument");
3794 SETi( setpgrp() >= 0 );
3795 #endif /* USE_BSDPGRP */
3798 DIE(aTHX_ PL_no_func, "setpgrp()");
3807 #ifdef HAS_GETPRIORITY
3810 SETi( getpriority(which, who) );
3813 DIE(aTHX_ PL_no_func, "getpriority()");
3823 #ifdef HAS_SETPRIORITY
3827 TAINT_PROPER("setpriority");
3828 SETi( setpriority(which, who, niceval) >= 0 );
3831 DIE(aTHX_ PL_no_func, "setpriority()");
3841 XPUSHn( time(Null(Time_t*)) );
3843 XPUSHi( time(Null(Time_t*)) );
3848 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3849 to HZ. Probably. For now, assume that if the system
3850 defines HZ, it does so correctly. (Will this break
3852 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3853 it's supported. --AD 9/96.
3869 DIE(aTHX_ "times not implemented");
3874 (void)PerlProc_times(&PL_timesbuf);
3876 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3877 /* struct tms, though same data */
3881 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
3882 if (GIMME == G_ARRAY) {
3883 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
3884 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
3885 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
3888 #endif /* HAS_TIMES */
3901 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3902 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3903 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3909 when = (Time_t)SvNVx(POPs);
3911 when = (Time_t)SvIVx(POPs);
3914 if (PL_op->op_type == OP_LOCALTIME)
3915 tmbuf = localtime(&when);
3917 tmbuf = gmtime(&when);
3921 if (GIMME != G_ARRAY) {
3926 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
3927 dayname[tmbuf->tm_wday],
3928 monname[tmbuf->tm_mon],
3933 tmbuf->tm_year + 1900);
3934 PUSHs(sv_2mortal(tsv));
3937 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3938 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3939 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3940 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3941 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3942 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3943 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3944 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3945 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3956 anum = alarm((unsigned int)anum);
3963 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
3974 (void)time(&lasttime);
3979 PerlProc_sleep((unsigned int)duration);
3982 XPUSHi(when - lasttime);
3986 /* Shared memory. */
4000 return pp_shmwrite();
4005 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4006 djSP; dMARK; dTARGET;
4007 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4016 /* Message passing. */
4030 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4031 djSP; dMARK; dTARGET;
4032 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4043 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4044 djSP; dMARK; dTARGET;
4045 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4058 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4059 djSP; dMARK; dTARGET;
4060 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4067 DIE(aTHX_ "System V IPC is not implemented on this machine");
4073 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4074 djSP; dMARK; dTARGET;
4075 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4083 PUSHp(zero_but_true, ZBTLEN);
4093 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4094 djSP; dMARK; dTARGET;
4095 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4104 /* Get system info. */
4108 #ifdef HAS_GETHOSTBYNAME
4109 return pp_ghostent();
4111 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4117 #ifdef HAS_GETHOSTBYADDR
4118 return pp_ghostent();
4120 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4127 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4128 I32 which = PL_op->op_type;
4129 register char **elem;
4131 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4132 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4133 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4134 struct hostent *PerlSock_gethostent(void);
4136 struct hostent *hent;
4141 if (which == OP_GHBYNAME)
4142 #ifdef HAS_GETHOSTBYNAME
4143 hent = PerlSock_gethostbyname(POPpx);
4145 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4147 else if (which == OP_GHBYADDR) {
4148 #ifdef HAS_GETHOSTBYADDR
4149 int addrtype = POPi;
4152 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4154 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4156 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4160 #ifdef HAS_GETHOSTENT
4161 hent = PerlSock_gethostent();
4163 DIE(aTHX_ PL_no_sock_func, "gethostent");
4166 #ifdef HOST_NOT_FOUND
4168 STATUS_NATIVE_SET(h_errno);
4171 if (GIMME != G_ARRAY) {
4172 PUSHs(sv = sv_newmortal());
4174 if (which == OP_GHBYNAME) {
4176 sv_setpvn(sv, hent->h_addr, hent->h_length);
4179 sv_setpv(sv, (char*)hent->h_name);
4185 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4186 sv_setpv(sv, (char*)hent->h_name);
4187 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4188 for (elem = hent->h_aliases; elem && *elem; elem++) {
4189 sv_catpv(sv, *elem);
4191 sv_catpvn(sv, " ", 1);
4193 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4194 sv_setiv(sv, (IV)hent->h_addrtype);
4195 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4196 len = hent->h_length;
4197 sv_setiv(sv, (IV)len);
4199 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4200 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4201 sv_setpvn(sv, *elem, len);
4204 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4206 sv_setpvn(sv, hent->h_addr, len);
4211 DIE(aTHX_ PL_no_sock_func, "gethostent");
4217 #ifdef HAS_GETNETBYNAME
4218 return pp_gnetent();
4220 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4226 #ifdef HAS_GETNETBYADDR
4227 return pp_gnetent();
4229 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4236 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4237 I32 which = PL_op->op_type;
4238 register char **elem;
4240 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4241 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4242 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4243 struct netent *PerlSock_getnetent(void);
4245 struct netent *nent;
4248 if (which == OP_GNBYNAME)
4249 #ifdef HAS_GETNETBYNAME
4250 nent = PerlSock_getnetbyname(POPpx);
4252 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4254 else if (which == OP_GNBYADDR) {
4255 #ifdef HAS_GETNETBYADDR
4256 int addrtype = POPi;
4257 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4258 nent = PerlSock_getnetbyaddr(addr, addrtype);
4260 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4264 #ifdef HAS_GETNETENT
4265 nent = PerlSock_getnetent();
4267 DIE(aTHX_ PL_no_sock_func, "getnetent");
4271 if (GIMME != G_ARRAY) {
4272 PUSHs(sv = sv_newmortal());
4274 if (which == OP_GNBYNAME)
4275 sv_setiv(sv, (IV)nent->n_net);
4277 sv_setpv(sv, nent->n_name);
4283 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4284 sv_setpv(sv, nent->n_name);
4285 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4286 for (elem = nent->n_aliases; elem && *elem; elem++) {
4287 sv_catpv(sv, *elem);
4289 sv_catpvn(sv, " ", 1);
4291 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4292 sv_setiv(sv, (IV)nent->n_addrtype);
4293 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4294 sv_setiv(sv, (IV)nent->n_net);
4299 DIE(aTHX_ PL_no_sock_func, "getnetent");
4305 #ifdef HAS_GETPROTOBYNAME
4306 return pp_gprotoent();
4308 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4314 #ifdef HAS_GETPROTOBYNUMBER
4315 return pp_gprotoent();
4317 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4324 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4325 I32 which = PL_op->op_type;
4326 register char **elem;
4328 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4329 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4330 struct protoent *PerlSock_getprotobynumber(int);
4331 struct protoent *PerlSock_getprotoent(void);
4333 struct protoent *pent;
4336 if (which == OP_GPBYNAME)
4337 #ifdef HAS_GETPROTOBYNAME
4338 pent = PerlSock_getprotobyname(POPpx);
4340 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4342 else if (which == OP_GPBYNUMBER)
4343 #ifdef HAS_GETPROTOBYNUMBER
4344 pent = PerlSock_getprotobynumber(POPi);
4346 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4349 #ifdef HAS_GETPROTOENT
4350 pent = PerlSock_getprotoent();
4352 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4356 if (GIMME != G_ARRAY) {
4357 PUSHs(sv = sv_newmortal());
4359 if (which == OP_GPBYNAME)
4360 sv_setiv(sv, (IV)pent->p_proto);
4362 sv_setpv(sv, pent->p_name);
4368 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4369 sv_setpv(sv, pent->p_name);
4370 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4371 for (elem = pent->p_aliases; elem && *elem; elem++) {
4372 sv_catpv(sv, *elem);
4374 sv_catpvn(sv, " ", 1);
4376 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4377 sv_setiv(sv, (IV)pent->p_proto);
4382 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4388 #ifdef HAS_GETSERVBYNAME
4389 return pp_gservent();
4391 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4397 #ifdef HAS_GETSERVBYPORT
4398 return pp_gservent();
4400 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4407 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4408 I32 which = PL_op->op_type;
4409 register char **elem;
4411 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4412 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4413 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4414 struct servent *PerlSock_getservent(void);
4416 struct servent *sent;
4419 if (which == OP_GSBYNAME) {
4420 #ifdef HAS_GETSERVBYNAME
4421 char *proto = POPpx;
4424 if (proto && !*proto)
4427 sent = PerlSock_getservbyname(name, proto);
4429 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4432 else if (which == OP_GSBYPORT) {
4433 #ifdef HAS_GETSERVBYPORT
4434 char *proto = POPpx;
4435 unsigned short port = POPu;
4438 port = PerlSock_htons(port);
4440 sent = PerlSock_getservbyport(port, proto);
4442 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4446 #ifdef HAS_GETSERVENT
4447 sent = PerlSock_getservent();
4449 DIE(aTHX_ PL_no_sock_func, "getservent");
4453 if (GIMME != G_ARRAY) {
4454 PUSHs(sv = sv_newmortal());
4456 if (which == OP_GSBYNAME) {
4458 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4460 sv_setiv(sv, (IV)(sent->s_port));
4464 sv_setpv(sv, sent->s_name);
4470 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4471 sv_setpv(sv, sent->s_name);
4472 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4473 for (elem = sent->s_aliases; elem && *elem; elem++) {
4474 sv_catpv(sv, *elem);
4476 sv_catpvn(sv, " ", 1);
4478 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4480 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4482 sv_setiv(sv, (IV)(sent->s_port));
4484 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4485 sv_setpv(sv, sent->s_proto);
4490 DIE(aTHX_ PL_no_sock_func, "getservent");
4497 #ifdef HAS_SETHOSTENT
4498 PerlSock_sethostent(TOPi);
4501 DIE(aTHX_ PL_no_sock_func, "sethostent");
4508 #ifdef HAS_SETNETENT
4509 PerlSock_setnetent(TOPi);
4512 DIE(aTHX_ PL_no_sock_func, "setnetent");
4519 #ifdef HAS_SETPROTOENT
4520 PerlSock_setprotoent(TOPi);
4523 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4530 #ifdef HAS_SETSERVENT
4531 PerlSock_setservent(TOPi);
4534 DIE(aTHX_ PL_no_sock_func, "setservent");
4541 #ifdef HAS_ENDHOSTENT
4542 PerlSock_endhostent();
4546 DIE(aTHX_ PL_no_sock_func, "endhostent");
4553 #ifdef HAS_ENDNETENT
4554 PerlSock_endnetent();
4558 DIE(aTHX_ PL_no_sock_func, "endnetent");
4565 #ifdef HAS_ENDPROTOENT
4566 PerlSock_endprotoent();
4570 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4577 #ifdef HAS_ENDSERVENT
4578 PerlSock_endservent();
4582 DIE(aTHX_ PL_no_sock_func, "endservent");
4591 DIE(aTHX_ PL_no_func, "getpwnam");
4600 DIE(aTHX_ PL_no_func, "getpwuid");
4607 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4608 I32 which = PL_op->op_type;
4610 struct passwd *pwent;
4613 struct spwd *spwent = NULL;
4616 if (which == OP_GPWNAM)
4617 pwent = getpwnam(POPpx);
4618 else if (which == OP_GPWUID)
4619 pwent = getpwuid(POPi);
4621 pwent = (struct passwd *)getpwent();
4624 if (which == OP_GPWNAM) {
4626 spwent = getspnam(pwent->pw_name);
4628 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4629 else if (which == OP_GPWUID) {
4631 spwent = getspnam(pwent->pw_name);
4635 spwent = (struct spwd *)getspent();
4639 if (GIMME != G_ARRAY) {
4640 PUSHs(sv = sv_newmortal());
4642 if (which == OP_GPWNAM)
4643 sv_setiv(sv, (IV)pwent->pw_uid);
4645 sv_setpv(sv, pwent->pw_name);
4651 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4652 sv_setpv(sv, pwent->pw_name);
4654 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4656 # ifdef HAS_GETSPENT
4658 sv_setpv(sv, spwent->sp_pwdp);
4660 sv_setpv(sv, pwent->pw_passwd);
4662 sv_setpv(sv, pwent->pw_passwd);
4666 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4667 sv_setiv(sv, (IV)pwent->pw_uid);
4669 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4670 sv_setiv(sv, (IV)pwent->pw_gid);
4672 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4673 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4675 sv_setiv(sv, (IV)pwent->pw_change);
4678 sv_setiv(sv, (IV)pwent->pw_quota);
4681 sv_setpv(sv, pwent->pw_age);
4686 /* pw_class and pw_comment are mutually exclusive. */
4687 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4689 sv_setpv(sv, pwent->pw_class);
4692 sv_setpv(sv, pwent->pw_comment);
4696 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4698 sv_setpv(sv, pwent->pw_gecos);
4700 #ifndef INCOMPLETE_TAINTS
4701 /* pw_gecos is tainted because user himself can diddle with it. */
4705 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4706 sv_setpv(sv, pwent->pw_dir);
4708 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4709 sv_setpv(sv, pwent->pw_shell);
4712 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4713 sv_setiv(sv, (IV)pwent->pw_expire);
4718 DIE(aTHX_ PL_no_func, "getpwent");
4725 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4727 # ifdef HAS_SETSPENT
4732 DIE(aTHX_ PL_no_func, "setpwent");
4739 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4741 # ifdef HAS_ENDSPENT
4746 DIE(aTHX_ PL_no_func, "endpwent");
4755 DIE(aTHX_ PL_no_func, "getgrnam");
4764 DIE(aTHX_ PL_no_func, "getgrgid");
4771 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4772 I32 which = PL_op->op_type;
4773 register char **elem;
4775 struct group *grent;
4778 if (which == OP_GGRNAM)
4779 grent = (struct group *)getgrnam(POPpx);
4780 else if (which == OP_GGRGID)
4781 grent = (struct group *)getgrgid(POPi);
4783 grent = (struct group *)getgrent();
4786 if (GIMME != G_ARRAY) {
4787 PUSHs(sv = sv_newmortal());
4789 if (which == OP_GGRNAM)
4790 sv_setiv(sv, (IV)grent->gr_gid);
4792 sv_setpv(sv, grent->gr_name);
4798 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4799 sv_setpv(sv, grent->gr_name);
4801 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4803 sv_setpv(sv, grent->gr_passwd);
4806 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4807 sv_setiv(sv, (IV)grent->gr_gid);
4809 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4810 for (elem = grent->gr_mem; elem && *elem; elem++) {
4811 sv_catpv(sv, *elem);
4813 sv_catpvn(sv, " ", 1);
4819 DIE(aTHX_ PL_no_func, "getgrent");
4826 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4830 DIE(aTHX_ PL_no_func, "setgrent");
4837 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4841 DIE(aTHX_ PL_no_func, "endgrent");
4851 if (!(tmps = PerlProc_getlogin()))
4853 PUSHp(tmps, strlen(tmps));
4856 DIE(aTHX_ PL_no_func, "getlogin");
4860 /* Miscellaneous. */
4865 djSP; dMARK; dORIGMARK; dTARGET;
4866 register I32 items = SP - MARK;
4867 unsigned long a[20];
4874 while (++MARK <= SP) {
4875 if (SvTAINTED(*MARK)) {
4881 TAINT_PROPER("syscall");
4884 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4885 * or where sizeof(long) != sizeof(char*). But such machines will
4886 * not likely have syscall implemented either, so who cares?
4888 while (++MARK <= SP) {
4889 if (SvNIOK(*MARK) || !i)
4890 a[i++] = SvIV(*MARK);
4891 else if (*MARK == &PL_sv_undef)
4894 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4900 DIE(aTHX_ "Too many args to syscall");
4902 DIE(aTHX_ "Too few args to syscall");
4904 retval = syscall(a[0]);
4907 retval = syscall(a[0],a[1]);
4910 retval = syscall(a[0],a[1],a[2]);
4913 retval = syscall(a[0],a[1],a[2],a[3]);
4916 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4919 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4922 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4925 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4929 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4932 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4935 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4939 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4943 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4947 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4948 a[10],a[11],a[12],a[13]);
4950 #endif /* atarist */
4956 DIE(aTHX_ PL_no_func, "syscall");
4960 #ifdef FCNTL_EMULATE_FLOCK
4962 /* XXX Emulate flock() with fcntl().
4963 What's really needed is a good file locking module.
4967 fcntl_emulate_flock(int fd, int operation)
4971 switch (operation & ~LOCK_NB) {
4973 flock.l_type = F_RDLCK;
4976 flock.l_type = F_WRLCK;
4979 flock.l_type = F_UNLCK;
4985 flock.l_whence = SEEK_SET;
4986 flock.l_start = flock.l_len = 0L;
4988 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4991 #endif /* FCNTL_EMULATE_FLOCK */
4993 #ifdef LOCKF_EMULATE_FLOCK
4995 /* XXX Emulate flock() with lockf(). This is just to increase
4996 portability of scripts. The calls are not completely
4997 interchangeable. What's really needed is a good file
5001 /* The lockf() constants might have been defined in <unistd.h>.
5002 Unfortunately, <unistd.h> causes troubles on some mixed
5003 (BSD/POSIX) systems, such as SunOS 4.1.3.
5005 Further, the lockf() constants aren't POSIX, so they might not be
5006 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5007 just stick in the SVID values and be done with it. Sigh.
5011 # define F_ULOCK 0 /* Unlock a previously locked region */
5014 # define F_LOCK 1 /* Lock a region for exclusive use */
5017 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5020 # define F_TEST 3 /* Test a region for other processes locks */
5024 lockf_emulate_flock(int fd, int operation)
5030 /* flock locks entire file so for lockf we need to do the same */
5032 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5033 if (pos > 0) /* is seekable and needs to be repositioned */
5034 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5035 pos = -1; /* seek failed, so don't seek back afterwards */
5038 switch (operation) {
5040 /* LOCK_SH - get a shared lock */
5042 /* LOCK_EX - get an exclusive lock */
5044 i = lockf (fd, F_LOCK, 0);
5047 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5048 case LOCK_SH|LOCK_NB:
5049 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5050 case LOCK_EX|LOCK_NB:
5051 i = lockf (fd, F_TLOCK, 0);
5053 if ((errno == EAGAIN) || (errno == EACCES))
5054 errno = EWOULDBLOCK;
5057 /* LOCK_UN - unlock (non-blocking is a no-op) */
5059 case LOCK_UN|LOCK_NB:
5060 i = lockf (fd, F_ULOCK, 0);
5063 /* Default - can't decipher operation */
5070 if (pos > 0) /* need to restore position of the handle */
5071 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5076 #endif /* LOCKF_EMULATE_FLOCK */