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(SOCKS) || 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 -= (double)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 = (double)(timebuf.tv_sec) +
1032 (double)(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)) {
1276 Perl_warner(aTHX_ WARN_IO, "Filehandle only opened for input");
1277 else if (ckWARN(WARN_CLOSED))
1278 Perl_warner(aTHX_ WARN_CLOSED, "Write on closed filehandle");
1283 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1284 if (ckWARN(WARN_IO))
1285 Perl_warner(aTHX_ WARN_IO, "page overflow");
1287 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1291 FmLINES(PL_formtarget) = 0;
1292 SvCUR_set(PL_formtarget, 0);
1293 *SvEND(PL_formtarget) = '\0';
1294 if (IoFLAGS(io) & IOf_FLUSH)
1295 (void)PerlIO_flush(fp);
1299 PL_formtarget = PL_bodytarget;
1301 return pop_return();
1306 djSP; dMARK; dORIGMARK;
1314 if (PL_op->op_flags & OPf_STACKED)
1319 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1320 if (MARK == ORIGMARK) {
1323 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1327 *MARK = SvTIED_obj((SV*)gv, mg);
1330 call_method("PRINTF", G_SCALAR);
1333 MARK = ORIGMARK + 1;
1340 if (!(io = GvIO(gv))) {
1341 if (ckWARN(WARN_UNOPENED)) {
1342 gv_fullname3(sv, gv, Nullch);
1343 Perl_warner(aTHX_ WARN_UNOPENED, "Filehandle %s never opened", SvPV(sv,n_a));
1345 SETERRNO(EBADF,RMS$_IFI);
1348 else if (!(fp = IoOFP(io))) {
1349 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1350 gv_fullname3(sv, gv, Nullch);
1352 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for input",
1354 else if (ckWARN(WARN_CLOSED))
1355 Perl_warner(aTHX_ WARN_CLOSED, "printf on closed filehandle %s",
1358 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1362 do_sprintf(sv, SP - MARK, MARK + 1);
1363 if (!do_print(sv, fp))
1366 if (IoFLAGS(io) & IOf_FLUSH)
1367 if (PerlIO_flush(fp) == EOF)
1378 PUSHs(&PL_sv_undef);
1399 /* Need TIEHANDLE method ? */
1401 tmps = SvPV(sv, len);
1402 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1403 IoLINES(GvIOp(gv)) = 0;
1407 PUSHs(&PL_sv_undef);
1414 djSP; dMARK; dORIGMARK; dTARGET;
1420 Sock_size_t bufsize;
1426 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1427 (mg = SvTIED_mg((SV*)gv, 'q')))
1432 *MARK = SvTIED_obj((SV*)gv, mg);
1434 call_method("READ", G_SCALAR);
1447 sv_setpvn(bufsv, "", 0);
1448 buffer = SvPV_force(bufsv, blen);
1449 length = SvIVx(*++MARK);
1451 DIE(aTHX_ "Negative length");
1454 offset = SvIVx(*++MARK);
1458 if (!io || !IoIFP(io))
1461 if (PL_op->op_type == OP_RECV) {
1462 char namebuf[MAXPATHLEN];
1463 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1464 bufsize = sizeof (struct sockaddr_in);
1466 bufsize = sizeof namebuf;
1468 buffer = SvGROW(bufsv, length+1);
1469 /* 'offset' means 'flags' here */
1470 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1471 (struct sockaddr *)namebuf, &bufsize);
1474 SvCUR_set(bufsv, length);
1475 *SvEND(bufsv) = '\0';
1476 (void)SvPOK_only(bufsv);
1478 /* This should not be marked tainted if the fp is marked clean */
1479 if (!(IoFLAGS(io) & IOf_UNTAINT))
1480 SvTAINTED_on(bufsv);
1482 sv_setpvn(TARG, namebuf, bufsize);
1487 if (PL_op->op_type == OP_RECV)
1488 DIE(aTHX_ PL_no_sock_func, "recv");
1492 DIE(aTHX_ "Offset outside string");
1495 bufsize = SvCUR(bufsv);
1496 buffer = SvGROW(bufsv, length+offset+1);
1497 if (offset > bufsize) { /* Zero any newly allocated space */
1498 Zero(buffer+bufsize, offset-bufsize, char);
1500 if (PL_op->op_type == OP_SYSREAD) {
1501 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1502 if (IoTYPE(io) == 's') {
1503 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1504 buffer+offset, length, 0);
1509 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1510 buffer+offset, length);
1514 #ifdef HAS_SOCKET__bad_code_maybe
1515 if (IoTYPE(io) == 's') {
1516 char namebuf[MAXPATHLEN];
1517 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1518 bufsize = sizeof (struct sockaddr_in);
1520 bufsize = sizeof namebuf;
1522 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1523 (struct sockaddr *)namebuf, &bufsize);
1528 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1529 /* fread() returns 0 on both error and EOF */
1530 if (length == 0 && PerlIO_error(IoIFP(io)))
1535 SvCUR_set(bufsv, length+offset);
1536 *SvEND(bufsv) = '\0';
1537 (void)SvPOK_only(bufsv);
1539 /* This should not be marked tainted if the fp is marked clean */
1540 if (!(IoFLAGS(io) & IOf_UNTAINT))
1541 SvTAINTED_on(bufsv);
1554 int items = (SP - PL_stack_base) - TOPMARK;
1558 sv = sv_2mortal(newSViv(sv_len(*SP)));
1567 djSP; dMARK; dORIGMARK; dTARGET;
1578 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1582 *MARK = SvTIED_obj((SV*)gv, mg);
1584 call_method("WRITE", G_SCALAR);
1595 buffer = SvPV(bufsv, blen);
1596 length = SvIVx(*++MARK);
1598 DIE(aTHX_ "Negative length");
1601 if (!io || !IoIFP(io)) {
1603 if (ckWARN(WARN_CLOSED)) {
1604 if (PL_op->op_type == OP_SYSWRITE)
1605 Perl_warner(aTHX_ WARN_CLOSED, "Syswrite on closed filehandle");
1607 Perl_warner(aTHX_ WARN_CLOSED, "Send on closed socket");
1610 else if (PL_op->op_type == OP_SYSWRITE) {
1612 offset = SvIVx(*++MARK);
1615 DIE(aTHX_ "Offset outside string");
1617 } else if (offset >= blen && blen > 0)
1618 DIE(aTHX_ "Offset outside string");
1621 if (length > blen - offset)
1622 length = blen - offset;
1623 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1624 if (IoTYPE(io) == 's') {
1625 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1626 buffer+offset, length, 0);
1631 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1632 buffer+offset, length);
1636 else if (SP > MARK) {
1639 sockbuf = SvPVx(*++MARK, mlen);
1640 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1641 (struct sockaddr *)sockbuf, mlen);
1644 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1648 DIE(aTHX_ PL_no_sock_func, "send");
1663 return pp_sysread();
1675 gv = PL_last_in_gv = (GV*)POPs;
1677 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1679 XPUSHs(SvTIED_obj((SV*)gv, mg));
1682 call_method("EOF", G_SCALAR);
1688 PUSHs(boolSV(!gv || do_eof(gv)));
1701 gv = PL_last_in_gv = (GV*)POPs;
1703 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1705 XPUSHs(SvTIED_obj((SV*)gv, mg));
1708 call_method("TELL", G_SCALAR);
1714 PUSHi( do_tell(gv) );
1720 return pp_sysseek();
1728 Off_t offset = POPl;
1731 gv = PL_last_in_gv = (GV*)POPs;
1733 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1735 XPUSHs(SvTIED_obj((SV*)gv, mg));
1736 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1737 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1740 call_method("SEEK", G_SCALAR);
1746 if (PL_op->op_type == OP_SEEK)
1747 PUSHs(boolSV(do_seek(gv, offset, whence)));
1749 Off_t n = do_sysseek(gv, offset, whence);
1750 PUSHs((n < 0) ? &PL_sv_undef
1751 : sv_2mortal(n ? newSViv((IV)n)
1752 : newSVpvn(zero_but_true, ZBTLEN)));
1760 Off_t len = (Off_t)POPn;
1766 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1767 if (PL_op->op_flags & OPf_SPECIAL) {
1768 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1770 TAINT_PROPER("truncate");
1771 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1773 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1775 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1784 if (SvTYPE(sv) == SVt_PVGV) {
1785 tmpgv = (GV*)sv; /* *main::FRED for example */
1788 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1789 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1793 name = SvPV(sv, n_a);
1794 TAINT_PROPER("truncate");
1796 if (truncate(name, len) < 0)
1801 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1804 if (my_chsize(tmpfd, len) < 0)
1806 PerlLIO_close(tmpfd);
1815 SETERRNO(EBADF,RMS$_IFI);
1818 DIE(aTHX_ "truncate not implemented");
1831 unsigned int func = U_I(POPn);
1832 int optype = PL_op->op_type;
1838 if (!io || !argsv || !IoIFP(io)) {
1839 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1843 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1846 s = SvPV_force(argsv, len);
1847 need = IOCPARM_LEN(func);
1849 s = Sv_Grow(argsv, need + 1);
1850 SvCUR_set(argsv, need);
1853 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1856 retval = SvIV(argsv);
1857 s = (char*)retval; /* ouch */
1860 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1862 if (optype == OP_IOCTL)
1864 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1866 DIE(aTHX_ "ioctl is not implemented");
1870 #if defined(OS2) && defined(__EMX__)
1871 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1873 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1876 DIE(aTHX_ "fcntl is not implemented");
1880 if (s[SvCUR(argsv)] != 17)
1881 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1882 PL_op_name[optype]);
1883 s[SvCUR(argsv)] = 0; /* put our null back */
1884 SvSETMAGIC(argsv); /* Assume it has changed */
1893 PUSHp(zero_but_true, ZBTLEN);
1913 fp = IoIFP(GvIOp(gv));
1917 (void)PerlIO_flush(fp);
1918 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1925 DIE(aTHX_ PL_no_func, "flock()");
1937 int protocol = POPi;
1945 SETERRNO(EBADF,LIB$_INVARG);
1951 do_close(gv, FALSE);
1953 TAINT_PROPER("socket");
1954 fd = PerlSock_socket(domain, type, protocol);
1957 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1958 IoOFP(io) = PerlIO_fdopen(fd, "w");
1960 if (!IoIFP(io) || !IoOFP(io)) {
1961 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1962 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1963 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1969 DIE(aTHX_ PL_no_sock_func, "socket");
1976 #ifdef HAS_SOCKETPAIR
1981 int protocol = POPi;
1994 do_close(gv1, FALSE);
1996 do_close(gv2, FALSE);
1998 TAINT_PROPER("socketpair");
1999 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2001 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2002 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2004 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2005 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2007 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2008 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2009 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2010 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2011 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2012 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2013 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2019 DIE(aTHX_ PL_no_sock_func, "socketpair");
2027 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2028 extern GETPRIVMODE();
2029 extern GETUSERMODE();
2034 register IO *io = GvIOn(gv);
2038 int mpeprivmode = 0;
2041 if (!io || !IoIFP(io))
2044 addr = SvPV(addrsv, len);
2045 TAINT_PROPER("bind");
2046 #ifdef MPE /* Deal with MPE bind() peculiarities */
2047 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2048 /* The address *MUST* stupidly be zero. */
2049 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2050 /* PRIV mode is required to bind() to ports < 1024. */
2051 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2052 ((struct sockaddr_in *)addr)->sin_port > 0) {
2053 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2058 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2059 (struct sockaddr *)addr, len) >= 0)
2062 #ifdef MPE /* Switch back to USER mode */
2073 if (ckWARN(WARN_CLOSED))
2074 Perl_warner(aTHX_ WARN_CLOSED, "bind() on closed fd");
2075 SETERRNO(EBADF,SS$_IVCHAN);
2078 DIE(aTHX_ PL_no_sock_func, "bind");
2089 register IO *io = GvIOn(gv);
2092 if (!io || !IoIFP(io))
2095 addr = SvPV(addrsv, len);
2096 TAINT_PROPER("connect");
2097 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2103 if (ckWARN(WARN_CLOSED))
2104 Perl_warner(aTHX_ WARN_CLOSED, "connect() on closed fd");
2105 SETERRNO(EBADF,SS$_IVCHAN);
2108 DIE(aTHX_ PL_no_sock_func, "connect");
2118 register IO *io = GvIOn(gv);
2120 if (!io || !IoIFP(io))
2123 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2129 if (ckWARN(WARN_CLOSED))
2130 Perl_warner(aTHX_ WARN_CLOSED, "listen() on closed fd");
2131 SETERRNO(EBADF,SS$_IVCHAN);
2134 DIE(aTHX_ PL_no_sock_func, "listen");
2146 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2147 Sock_size_t len = sizeof saddr;
2159 if (!gstio || !IoIFP(gstio))
2164 do_close(ngv, FALSE);
2166 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2169 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2170 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2171 IoTYPE(nstio) = 's';
2172 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2173 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2174 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2175 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2179 PUSHp((char *)&saddr, len);
2183 if (ckWARN(WARN_CLOSED))
2184 Perl_warner(aTHX_ WARN_CLOSED, "accept() on closed fd");
2185 SETERRNO(EBADF,SS$_IVCHAN);
2191 DIE(aTHX_ PL_no_sock_func, "accept");
2201 register IO *io = GvIOn(gv);
2203 if (!io || !IoIFP(io))
2206 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2210 if (ckWARN(WARN_CLOSED))
2211 Perl_warner(aTHX_ WARN_CLOSED, "shutdown() on closed fd");
2212 SETERRNO(EBADF,SS$_IVCHAN);
2215 DIE(aTHX_ PL_no_sock_func, "shutdown");
2222 return pp_ssockopt();
2224 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2232 int optype = PL_op->op_type;
2235 unsigned int optname;
2241 if (optype == OP_GSOCKOPT)
2242 sv = sv_2mortal(NEWSV(22, 257));
2245 optname = (unsigned int) POPi;
2246 lvl = (unsigned int) POPi;
2250 if (!io || !IoIFP(io))
2253 fd = PerlIO_fileno(IoIFP(io));
2257 (void)SvPOK_only(sv);
2261 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2276 aint = (int)SvIV(sv);
2280 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2289 if (ckWARN(WARN_CLOSED))
2290 Perl_warner(aTHX_ WARN_CLOSED, "[gs]etsockopt() on closed fd");
2291 SETERRNO(EBADF,SS$_IVCHAN);
2296 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2303 return pp_getpeername();
2305 DIE(aTHX_ PL_no_sock_func, "getsockname");
2313 int optype = PL_op->op_type;
2317 register IO *io = GvIOn(gv);
2320 if (!io || !IoIFP(io))
2323 sv = sv_2mortal(NEWSV(22, 257));
2324 (void)SvPOK_only(sv);
2328 fd = PerlIO_fileno(IoIFP(io));
2330 case OP_GETSOCKNAME:
2331 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2334 case OP_GETPEERNAME:
2335 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2337 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2339 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2340 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2341 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2342 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2343 sizeof(u_short) + sizeof(struct in_addr))) {
2350 #ifdef BOGUS_GETNAME_RETURN
2351 /* Interactive Unix, getpeername() and getsockname()
2352 does not return valid namelen */
2353 if (len == BOGUS_GETNAME_RETURN)
2354 len = sizeof(struct sockaddr);
2362 if (ckWARN(WARN_CLOSED))
2363 Perl_warner(aTHX_ WARN_CLOSED, "get{sock, peer}name() on closed fd");
2364 SETERRNO(EBADF,SS$_IVCHAN);
2369 DIE(aTHX_ PL_no_sock_func, "getpeername");
2388 if (PL_op->op_flags & OPf_REF) {
2389 tmpgv = cGVOP->op_gv;
2391 if (tmpgv != PL_defgv) {
2392 PL_laststype = OP_STAT;
2394 sv_setpv(PL_statname, "");
2395 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2396 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2398 if (PL_laststatval < 0)
2403 if (SvTYPE(sv) == SVt_PVGV) {
2407 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2408 tmpgv = (GV*)SvRV(sv);
2411 sv_setpv(PL_statname, SvPV(sv,n_a));
2414 PL_laststype = PL_op->op_type;
2415 if (PL_op->op_type == OP_LSTAT)
2416 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2419 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2420 if (PL_laststatval < 0) {
2421 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2422 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2428 if (gimme != G_ARRAY) {
2429 if (gimme != G_VOID)
2430 XPUSHs(boolSV(max));
2436 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2437 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2438 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2439 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2440 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2441 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2442 #ifdef USE_STAT_RDEV
2443 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2445 PUSHs(sv_2mortal(newSVpvn("", 0)));
2447 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2449 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2450 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2451 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2453 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2454 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2455 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2457 #ifdef USE_STAT_BLOCKS
2458 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2459 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2461 PUSHs(sv_2mortal(newSVpvn("", 0)));
2462 PUSHs(sv_2mortal(newSVpvn("", 0)));
2472 #if defined(HAS_ACCESS) && defined(R_OK)
2474 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2475 result = access(TOPpx, R_OK);
2490 if (cando(S_IRUSR, 0, &PL_statcache))
2499 #if defined(HAS_ACCESS) && defined(W_OK)
2501 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2502 result = access(TOPpx, W_OK);
2517 if (cando(S_IWUSR, 0, &PL_statcache))
2526 #if defined(HAS_ACCESS) && defined(X_OK)
2528 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2529 result = access(TOPpx, X_OK);
2544 if (cando(S_IXUSR, 0, &PL_statcache))
2553 #ifdef PERL_EFF_ACCESS_R_OK
2555 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2556 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2571 if (cando(S_IRUSR, 1, &PL_statcache))
2580 #ifdef PERL_EFF_ACCESS_W_OK
2582 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2583 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2598 if (cando(S_IWUSR, 1, &PL_statcache))
2607 #ifdef PERL_EFF_ACCESS_X_OK
2609 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2610 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2625 if (cando(S_IXUSR, 1, &PL_statcache))
2632 I32 result = my_stat();
2641 return pp_ftrowned();
2646 I32 result = my_stat();
2650 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2657 I32 result = my_stat();
2661 if (!PL_statcache.st_size)
2668 I32 result = my_stat();
2672 PUSHi(PL_statcache.st_size);
2678 I32 result = my_stat();
2682 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2688 I32 result = my_stat();
2692 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2698 I32 result = my_stat();
2702 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2708 I32 result = my_stat();
2712 if (S_ISSOCK(PL_statcache.st_mode))
2719 I32 result = my_stat();
2723 if (S_ISCHR(PL_statcache.st_mode))
2730 I32 result = my_stat();
2734 if (S_ISBLK(PL_statcache.st_mode))
2741 I32 result = my_stat();
2745 if (S_ISREG(PL_statcache.st_mode))
2752 I32 result = my_stat();
2756 if (S_ISDIR(PL_statcache.st_mode))
2763 I32 result = my_stat();
2767 if (S_ISFIFO(PL_statcache.st_mode))
2774 I32 result = my_lstat();
2778 if (S_ISLNK(PL_statcache.st_mode))
2787 I32 result = my_stat();
2791 if (PL_statcache.st_mode & S_ISUID)
2801 I32 result = my_stat();
2805 if (PL_statcache.st_mode & S_ISGID)
2815 I32 result = my_stat();
2819 if (PL_statcache.st_mode & S_ISVTX)
2830 char *tmps = Nullch;
2833 if (PL_op->op_flags & OPf_REF)
2835 else if (isGV(TOPs))
2837 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2838 gv = (GV*)SvRV(POPs);
2840 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2842 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2843 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2844 else if (tmps && isDIGIT(*tmps))
2848 if (PerlLIO_isatty(fd))
2853 #if defined(atarist) /* this will work with atariST. Configure will
2854 make guesses for other systems. */
2855 # define FILE_base(f) ((f)->_base)
2856 # define FILE_ptr(f) ((f)->_ptr)
2857 # define FILE_cnt(f) ((f)->_cnt)
2858 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2868 register STDCHAR *s;
2874 if (PL_op->op_flags & OPf_REF)
2876 else if (isGV(TOPs))
2878 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2879 gv = (GV*)SvRV(POPs);
2885 if (gv == PL_defgv) {
2887 io = GvIO(PL_statgv);
2890 goto really_filename;
2895 PL_laststatval = -1;
2896 sv_setpv(PL_statname, "");
2897 io = GvIO(PL_statgv);
2899 if (io && IoIFP(io)) {
2900 if (! PerlIO_has_base(IoIFP(io)))
2901 DIE(aTHX_ "-T and -B not implemented on filehandles");
2902 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2903 if (PL_laststatval < 0)
2905 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2906 if (PL_op->op_type == OP_FTTEXT)
2910 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2911 i = PerlIO_getc(IoIFP(io));
2913 (void)PerlIO_ungetc(IoIFP(io),i);
2915 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2917 len = PerlIO_get_bufsiz(IoIFP(io));
2918 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2919 /* sfio can have large buffers - limit to 512 */
2924 if (ckWARN(WARN_UNOPENED))
2925 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
2926 GvENAME(cGVOP->op_gv));
2927 SETERRNO(EBADF,RMS$_IFI);
2935 PL_laststatval = -1;
2936 sv_setpv(PL_statname, SvPV(sv, n_a));
2938 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2940 i = PerlLIO_open(SvPV(sv, n_a), 0);
2943 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2944 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
2947 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2948 if (PL_laststatval < 0)
2950 len = PerlLIO_read(i, tbuf, 512);
2951 (void)PerlLIO_close(i);
2953 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2954 RETPUSHNO; /* special case NFS directories */
2955 RETPUSHYES; /* null file is anything */
2960 /* now scan s to look for textiness */
2961 /* XXX ASCII dependent code */
2963 for (i = 0; i < len; i++, s++) {
2964 if (!*s) { /* null never allowed in text */
2969 else if (!(isPRINT(*s) || isSPACE(*s)))
2975 *s != '\n' && *s != '\r' && *s != '\b' &&
2976 *s != '\t' && *s != '\f' && *s != 27)
2981 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3005 if (!tmps || !*tmps) {
3006 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3008 tmps = SvPV(*svp, n_a);
3010 if (!tmps || !*tmps) {
3011 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3013 tmps = SvPV(*svp, n_a);
3016 if (!tmps || !*tmps) {
3017 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3019 tmps = SvPV(*svp, n_a);
3022 TAINT_PROPER("chdir");
3023 PUSHi( PerlDir_chdir(tmps) >= 0 );
3025 /* Clear the DEFAULT element of ENV so we'll get the new value
3027 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3034 djSP; dMARK; dTARGET;
3037 value = (I32)apply(PL_op->op_type, MARK, SP);
3042 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3053 TAINT_PROPER("chroot");
3054 PUSHi( chroot(tmps) >= 0 );
3057 DIE(aTHX_ PL_no_func, "chroot");
3063 djSP; dMARK; dTARGET;
3065 value = (I32)apply(PL_op->op_type, MARK, SP);
3073 djSP; dMARK; dTARGET;
3075 value = (I32)apply(PL_op->op_type, MARK, SP);
3083 djSP; dMARK; dTARGET;
3085 value = (I32)apply(PL_op->op_type, MARK, SP);
3097 char *tmps2 = POPpx;
3098 char *tmps = SvPV(TOPs, n_a);
3099 TAINT_PROPER("rename");
3101 anum = PerlLIO_rename(tmps, tmps2);
3103 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3104 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3107 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3108 (void)UNLINK(tmps2);
3109 if (!(anum = link(tmps, tmps2)))
3110 anum = UNLINK(tmps);
3123 char *tmps2 = POPpx;
3124 char *tmps = SvPV(TOPs, n_a);
3125 TAINT_PROPER("link");
3126 SETi( link(tmps, tmps2) >= 0 );
3128 DIE(aTHX_ PL_no_func, "Unsupported function link");
3138 char *tmps2 = POPpx;
3139 char *tmps = SvPV(TOPs, n_a);
3140 TAINT_PROPER("symlink");
3141 SETi( symlink(tmps, tmps2) >= 0 );
3144 DIE(aTHX_ PL_no_func, "symlink");
3153 char buf[MAXPATHLEN];
3157 #ifndef INCOMPLETE_TAINTS
3161 len = readlink(tmps, buf, sizeof buf);
3169 RETSETUNDEF; /* just pretend it's a normal file */
3173 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3175 S_dooneliner(pTHX_ char *cmd, char *filename)
3177 char *save_filename = filename;
3183 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3184 strcpy(cmdline, cmd);
3185 strcat(cmdline, " ");
3186 for (s = cmdline + strlen(cmdline); *filename; ) {
3191 myfp = PerlProc_popen(cmdline, "r");
3195 SV *tmpsv = sv_newmortal();
3196 /* Need to save/restore 'PL_rs' ?? */
3197 s = sv_gets(tmpsv, myfp, 0);
3198 (void)PerlProc_pclose(myfp);
3202 #ifdef HAS_SYS_ERRLIST
3207 /* you don't see this */
3209 #ifdef HAS_SYS_ERRLIST
3217 if (instr(s, errmsg)) {
3224 #define EACCES EPERM
3226 if (instr(s, "cannot make"))
3227 SETERRNO(EEXIST,RMS$_FEX);
3228 else if (instr(s, "existing file"))
3229 SETERRNO(EEXIST,RMS$_FEX);
3230 else if (instr(s, "ile exists"))
3231 SETERRNO(EEXIST,RMS$_FEX);
3232 else if (instr(s, "non-exist"))
3233 SETERRNO(ENOENT,RMS$_FNF);
3234 else if (instr(s, "does not exist"))
3235 SETERRNO(ENOENT,RMS$_FNF);
3236 else if (instr(s, "not empty"))
3237 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3238 else if (instr(s, "cannot access"))
3239 SETERRNO(EACCES,RMS$_PRV);
3241 SETERRNO(EPERM,RMS$_PRV);
3244 else { /* some mkdirs return no failure indication */
3245 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3246 if (PL_op->op_type == OP_RMDIR)
3251 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3268 char *tmps = SvPV(TOPs, n_a);
3270 TAINT_PROPER("mkdir");
3272 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3274 SETi( dooneliner("mkdir", tmps) );
3275 oldumask = PerlLIO_umask(0);
3276 PerlLIO_umask(oldumask);
3277 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3289 TAINT_PROPER("rmdir");
3291 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3293 XPUSHi( dooneliner("rmdir", tmps) );
3298 /* Directory calls. */
3303 #if defined(Direntry_t) && defined(HAS_READDIR)
3305 char *dirname = POPpx;
3307 register IO *io = GvIOn(gv);
3313 PerlDir_close(IoDIRP(io));
3314 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3320 SETERRNO(EBADF,RMS$_DIR);
3323 DIE(aTHX_ PL_no_dir_func, "opendir");
3330 #if defined(Direntry_t) && defined(HAS_READDIR)
3332 Direntry_t *readdir (DIR *);
3334 register Direntry_t *dp;
3336 register IO *io = GvIOn(gv);
3339 if (!io || !IoDIRP(io))
3342 if (GIMME == G_ARRAY) {
3344 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3346 sv = newSVpvn(dp->d_name, dp->d_namlen);
3348 sv = newSVpv(dp->d_name, 0);
3350 #ifndef INCOMPLETE_TAINTS
3353 XPUSHs(sv_2mortal(sv));
3357 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3360 sv = newSVpvn(dp->d_name, dp->d_namlen);
3362 sv = newSVpv(dp->d_name, 0);
3364 #ifndef INCOMPLETE_TAINTS
3367 XPUSHs(sv_2mortal(sv));
3373 SETERRNO(EBADF,RMS$_ISI);
3374 if (GIMME == G_ARRAY)
3379 DIE(aTHX_ PL_no_dir_func, "readdir");
3386 #if defined(HAS_TELLDIR) || defined(telldir)
3387 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3388 /* XXX netbsd still seemed to.
3389 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3390 --JHI 1999-Feb-02 */
3391 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3392 long telldir (DIR *);
3395 register IO *io = GvIOn(gv);
3397 if (!io || !IoDIRP(io))
3400 PUSHi( PerlDir_tell(IoDIRP(io)) );
3404 SETERRNO(EBADF,RMS$_ISI);
3407 DIE(aTHX_ PL_no_dir_func, "telldir");
3414 #if defined(HAS_SEEKDIR) || defined(seekdir)
3417 register IO *io = GvIOn(gv);
3419 if (!io || !IoDIRP(io))
3422 (void)PerlDir_seek(IoDIRP(io), along);
3427 SETERRNO(EBADF,RMS$_ISI);
3430 DIE(aTHX_ PL_no_dir_func, "seekdir");
3437 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3439 register IO *io = GvIOn(gv);
3441 if (!io || !IoDIRP(io))
3444 (void)PerlDir_rewind(IoDIRP(io));
3448 SETERRNO(EBADF,RMS$_ISI);
3451 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3458 #if defined(Direntry_t) && defined(HAS_READDIR)
3460 register IO *io = GvIOn(gv);
3462 if (!io || !IoDIRP(io))
3465 #ifdef VOID_CLOSEDIR
3466 PerlDir_close(IoDIRP(io));
3468 if (PerlDir_close(IoDIRP(io)) < 0) {
3469 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3478 SETERRNO(EBADF,RMS$_IFI);
3481 DIE(aTHX_ PL_no_dir_func, "closedir");
3485 /* Process control. */
3495 PERL_FLUSHALL_FOR_CHILD;
3501 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3502 sv_setiv(GvSV(tmpgv), (IV)getpid());
3503 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3508 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3514 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3519 childpid = wait4pid(-1, &argflags, 0);
3520 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3524 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3530 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3538 childpid = wait4pid(childpid, &argflags, optype);
3539 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3543 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3549 djSP; dMARK; dORIGMARK; dTARGET;
3554 Sigsave_t ihand,qhand; /* place to save signals during system() */
3557 if (SP - MARK == 1) {
3559 char *junk = SvPV(TOPs, n_a);
3561 TAINT_PROPER("system");
3564 PERL_FLUSHALL_FOR_CHILD;
3565 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3566 while ((childpid = vfork()) == -1) {
3567 if (errno != EAGAIN) {
3576 rsignal_save(SIGINT, SIG_IGN, &ihand);
3577 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3579 result = wait4pid(childpid, &status, 0);
3580 } while (result == -1 && errno == EINTR);
3581 (void)rsignal_restore(SIGINT, &ihand);
3582 (void)rsignal_restore(SIGQUIT, &qhand);
3583 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3584 do_execfree(); /* free any memory child malloced on vfork */
3586 PUSHi(STATUS_CURRENT);
3589 if (PL_op->op_flags & OPf_STACKED) {
3590 SV *really = *++MARK;
3591 value = (I32)do_aexec(really, MARK, SP);
3593 else if (SP - MARK != 1)
3594 value = (I32)do_aexec(Nullsv, MARK, SP);
3596 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3599 #else /* ! FORK or VMS or OS/2 */
3600 if (PL_op->op_flags & OPf_STACKED) {
3601 SV *really = *++MARK;
3602 value = (I32)do_aspawn(aTHX_ really, (void **)MARK, (void **)SP);
3604 else if (SP - MARK != 1)
3605 value = (I32)do_aspawn(aTHX_ Nullsv, (void **)MARK, (void **)SP);
3607 value = (I32)do_spawn(aTHX_ SvPVx(sv_mortalcopy(*SP), n_a));
3609 STATUS_NATIVE_SET(value);
3612 PUSHi(STATUS_CURRENT);
3613 #endif /* !FORK or VMS */
3619 djSP; dMARK; dORIGMARK; dTARGET;
3623 PERL_FLUSHALL_FOR_CHILD;
3624 if (PL_op->op_flags & OPf_STACKED) {
3625 SV *really = *++MARK;
3626 value = (I32)do_aexec(really, MARK, SP);
3628 else if (SP - MARK != 1)
3630 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3634 (void ) do_aspawn(aTHX_ Nullsv, MARK, SP);
3638 value = (I32)do_aexec(Nullsv, MARK, SP);
3643 char *junk = SvPV(*SP, n_a);
3645 TAINT_PROPER("exec");
3648 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3651 (void) do_spawn(aTHX_ SvPVx(sv_mortalcopy(*SP), n_a));
3654 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3665 djSP; dMARK; dTARGET;
3668 value = (I32)apply(PL_op->op_type, MARK, SP);
3673 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3681 XPUSHi( getppid() );
3684 DIE(aTHX_ PL_no_func, "getppid");
3700 value = (I32)BSD_GETPGRP(pid);
3702 if (pid != 0 && pid != getpid())
3703 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3704 value = (I32)getpgrp();
3709 DIE(aTHX_ PL_no_func, "getpgrp()");
3728 TAINT_PROPER("setpgrp");
3730 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3732 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3733 DIE(aTHX_ "POSIX setpgrp can't take an argument");
3734 SETi( setpgrp() >= 0 );
3735 #endif /* USE_BSDPGRP */
3738 DIE(aTHX_ PL_no_func, "setpgrp()");
3747 #ifdef HAS_GETPRIORITY
3750 SETi( getpriority(which, who) );
3753 DIE(aTHX_ PL_no_func, "getpriority()");
3763 #ifdef HAS_SETPRIORITY
3767 TAINT_PROPER("setpriority");
3768 SETi( setpriority(which, who, niceval) >= 0 );
3771 DIE(aTHX_ PL_no_func, "setpriority()");
3781 XPUSHn( time(Null(Time_t*)) );
3783 XPUSHi( time(Null(Time_t*)) );
3788 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3789 to HZ. Probably. For now, assume that if the system
3790 defines HZ, it does so correctly. (Will this break
3792 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3793 it's supported. --AD 9/96.
3809 DIE(aTHX_ "times not implemented");
3814 (void)PerlProc_times(&PL_timesbuf);
3816 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3817 /* struct tms, though same data */
3821 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_utime)/HZ)));
3822 if (GIMME == G_ARRAY) {
3823 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_stime)/HZ)));
3824 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cutime)/HZ)));
3825 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cstime)/HZ)));
3828 #endif /* HAS_TIMES */
3841 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3842 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3843 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3849 when = (Time_t)SvNVx(POPs);
3851 when = (Time_t)SvIVx(POPs);
3854 if (PL_op->op_type == OP_LOCALTIME)
3855 tmbuf = localtime(&when);
3857 tmbuf = gmtime(&when);
3861 if (GIMME != G_ARRAY) {
3866 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
3867 dayname[tmbuf->tm_wday],
3868 monname[tmbuf->tm_mon],
3873 tmbuf->tm_year + 1900);
3874 PUSHs(sv_2mortal(tsv));
3877 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3878 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3879 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3880 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3881 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3882 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3883 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3884 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3885 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3896 anum = alarm((unsigned int)anum);
3903 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
3914 (void)time(&lasttime);
3919 PerlProc_sleep((unsigned int)duration);
3922 XPUSHi(when - lasttime);
3926 /* Shared memory. */
3940 return pp_shmwrite();
3945 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3946 djSP; dMARK; dTARGET;
3947 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3956 /* Message passing. */
3970 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3971 djSP; dMARK; dTARGET;
3972 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3983 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3984 djSP; dMARK; dTARGET;
3985 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3998 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3999 djSP; dMARK; dTARGET;
4000 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4007 DIE(aTHX_ "System V IPC is not implemented on this machine");
4013 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4014 djSP; dMARK; dTARGET;
4015 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4023 PUSHp(zero_but_true, ZBTLEN);
4033 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4034 djSP; dMARK; dTARGET;
4035 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4044 /* Get system info. */
4048 #ifdef HAS_GETHOSTBYNAME
4049 return pp_ghostent();
4051 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4057 #ifdef HAS_GETHOSTBYADDR
4058 return pp_ghostent();
4060 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4067 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4068 I32 which = PL_op->op_type;
4069 register char **elem;
4071 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4072 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4073 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4074 struct hostent *PerlSock_gethostent(void);
4076 struct hostent *hent;
4081 if (which == OP_GHBYNAME)
4082 #ifdef HAS_GETHOSTBYNAME
4083 hent = PerlSock_gethostbyname(POPpx);
4085 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4087 else if (which == OP_GHBYADDR) {
4088 #ifdef HAS_GETHOSTBYADDR
4089 int addrtype = POPi;
4092 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4094 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4096 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4100 #ifdef HAS_GETHOSTENT
4101 hent = PerlSock_gethostent();
4103 DIE(aTHX_ PL_no_sock_func, "gethostent");
4106 #ifdef HOST_NOT_FOUND
4108 STATUS_NATIVE_SET(h_errno);
4111 if (GIMME != G_ARRAY) {
4112 PUSHs(sv = sv_newmortal());
4114 if (which == OP_GHBYNAME) {
4116 sv_setpvn(sv, hent->h_addr, hent->h_length);
4119 sv_setpv(sv, (char*)hent->h_name);
4125 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4126 sv_setpv(sv, (char*)hent->h_name);
4127 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4128 for (elem = hent->h_aliases; elem && *elem; elem++) {
4129 sv_catpv(sv, *elem);
4131 sv_catpvn(sv, " ", 1);
4133 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4134 sv_setiv(sv, (IV)hent->h_addrtype);
4135 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4136 len = hent->h_length;
4137 sv_setiv(sv, (IV)len);
4139 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4140 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4141 sv_setpvn(sv, *elem, len);
4144 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4146 sv_setpvn(sv, hent->h_addr, len);
4151 DIE(aTHX_ PL_no_sock_func, "gethostent");
4157 #ifdef HAS_GETNETBYNAME
4158 return pp_gnetent();
4160 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4166 #ifdef HAS_GETNETBYADDR
4167 return pp_gnetent();
4169 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4176 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4177 I32 which = PL_op->op_type;
4178 register char **elem;
4180 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4181 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4182 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4183 struct netent *PerlSock_getnetent(void);
4185 struct netent *nent;
4188 if (which == OP_GNBYNAME)
4189 #ifdef HAS_GETNETBYNAME
4190 nent = PerlSock_getnetbyname(POPpx);
4192 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4194 else if (which == OP_GNBYADDR) {
4195 #ifdef HAS_GETNETBYADDR
4196 int addrtype = POPi;
4197 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4198 nent = PerlSock_getnetbyaddr(addr, addrtype);
4200 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4204 #ifdef HAS_GETNETENT
4205 nent = PerlSock_getnetent();
4207 DIE(aTHX_ PL_no_sock_func, "getnetent");
4211 if (GIMME != G_ARRAY) {
4212 PUSHs(sv = sv_newmortal());
4214 if (which == OP_GNBYNAME)
4215 sv_setiv(sv, (IV)nent->n_net);
4217 sv_setpv(sv, nent->n_name);
4223 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4224 sv_setpv(sv, nent->n_name);
4225 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4226 for (elem = nent->n_aliases; elem && *elem; elem++) {
4227 sv_catpv(sv, *elem);
4229 sv_catpvn(sv, " ", 1);
4231 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4232 sv_setiv(sv, (IV)nent->n_addrtype);
4233 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4234 sv_setiv(sv, (IV)nent->n_net);
4239 DIE(aTHX_ PL_no_sock_func, "getnetent");
4245 #ifdef HAS_GETPROTOBYNAME
4246 return pp_gprotoent();
4248 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4254 #ifdef HAS_GETPROTOBYNUMBER
4255 return pp_gprotoent();
4257 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4264 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4265 I32 which = PL_op->op_type;
4266 register char **elem;
4268 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4269 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4270 struct protoent *PerlSock_getprotobynumber(int);
4271 struct protoent *PerlSock_getprotoent(void);
4273 struct protoent *pent;
4276 if (which == OP_GPBYNAME)
4277 #ifdef HAS_GETPROTOBYNAME
4278 pent = PerlSock_getprotobyname(POPpx);
4280 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4282 else if (which == OP_GPBYNUMBER)
4283 #ifdef HAS_GETPROTOBYNUMBER
4284 pent = PerlSock_getprotobynumber(POPi);
4286 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4289 #ifdef HAS_GETPROTOENT
4290 pent = PerlSock_getprotoent();
4292 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4296 if (GIMME != G_ARRAY) {
4297 PUSHs(sv = sv_newmortal());
4299 if (which == OP_GPBYNAME)
4300 sv_setiv(sv, (IV)pent->p_proto);
4302 sv_setpv(sv, pent->p_name);
4308 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4309 sv_setpv(sv, pent->p_name);
4310 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4311 for (elem = pent->p_aliases; elem && *elem; elem++) {
4312 sv_catpv(sv, *elem);
4314 sv_catpvn(sv, " ", 1);
4316 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4317 sv_setiv(sv, (IV)pent->p_proto);
4322 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4328 #ifdef HAS_GETSERVBYNAME
4329 return pp_gservent();
4331 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4337 #ifdef HAS_GETSERVBYPORT
4338 return pp_gservent();
4340 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4347 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4348 I32 which = PL_op->op_type;
4349 register char **elem;
4351 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4352 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4353 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4354 struct servent *PerlSock_getservent(void);
4356 struct servent *sent;
4359 if (which == OP_GSBYNAME) {
4360 #ifdef HAS_GETSERVBYNAME
4361 char *proto = POPpx;
4364 if (proto && !*proto)
4367 sent = PerlSock_getservbyname(name, proto);
4369 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4372 else if (which == OP_GSBYPORT) {
4373 #ifdef HAS_GETSERVBYPORT
4374 char *proto = POPpx;
4375 unsigned short port = POPu;
4378 port = PerlSock_htons(port);
4380 sent = PerlSock_getservbyport(port, proto);
4382 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4386 #ifdef HAS_GETSERVENT
4387 sent = PerlSock_getservent();
4389 DIE(aTHX_ PL_no_sock_func, "getservent");
4393 if (GIMME != G_ARRAY) {
4394 PUSHs(sv = sv_newmortal());
4396 if (which == OP_GSBYNAME) {
4398 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4400 sv_setiv(sv, (IV)(sent->s_port));
4404 sv_setpv(sv, sent->s_name);
4410 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4411 sv_setpv(sv, sent->s_name);
4412 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4413 for (elem = sent->s_aliases; elem && *elem; elem++) {
4414 sv_catpv(sv, *elem);
4416 sv_catpvn(sv, " ", 1);
4418 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4420 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4422 sv_setiv(sv, (IV)(sent->s_port));
4424 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4425 sv_setpv(sv, sent->s_proto);
4430 DIE(aTHX_ PL_no_sock_func, "getservent");
4437 #ifdef HAS_SETHOSTENT
4438 PerlSock_sethostent(TOPi);
4441 DIE(aTHX_ PL_no_sock_func, "sethostent");
4448 #ifdef HAS_SETNETENT
4449 PerlSock_setnetent(TOPi);
4452 DIE(aTHX_ PL_no_sock_func, "setnetent");
4459 #ifdef HAS_SETPROTOENT
4460 PerlSock_setprotoent(TOPi);
4463 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4470 #ifdef HAS_SETSERVENT
4471 PerlSock_setservent(TOPi);
4474 DIE(aTHX_ PL_no_sock_func, "setservent");
4481 #ifdef HAS_ENDHOSTENT
4482 PerlSock_endhostent();
4486 DIE(aTHX_ PL_no_sock_func, "endhostent");
4493 #ifdef HAS_ENDNETENT
4494 PerlSock_endnetent();
4498 DIE(aTHX_ PL_no_sock_func, "endnetent");
4505 #ifdef HAS_ENDPROTOENT
4506 PerlSock_endprotoent();
4510 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4517 #ifdef HAS_ENDSERVENT
4518 PerlSock_endservent();
4522 DIE(aTHX_ PL_no_sock_func, "endservent");
4531 DIE(aTHX_ PL_no_func, "getpwnam");
4540 DIE(aTHX_ PL_no_func, "getpwuid");
4547 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4548 I32 which = PL_op->op_type;
4550 struct passwd *pwent;
4553 struct spwd *spwent = NULL;
4556 if (which == OP_GPWNAM)
4557 pwent = getpwnam(POPpx);
4558 else if (which == OP_GPWUID)
4559 pwent = getpwuid(POPi);
4561 pwent = (struct passwd *)getpwent();
4564 if (which == OP_GPWNAM) {
4566 spwent = getspnam(pwent->pw_name);
4568 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4569 else if (which == OP_GPWUID) {
4571 spwent = getspnam(pwent->pw_name);
4575 spwent = (struct spwd *)getspent();
4579 if (GIMME != G_ARRAY) {
4580 PUSHs(sv = sv_newmortal());
4582 if (which == OP_GPWNAM)
4583 sv_setiv(sv, (IV)pwent->pw_uid);
4585 sv_setpv(sv, pwent->pw_name);
4591 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4592 sv_setpv(sv, pwent->pw_name);
4594 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4596 # ifdef HAS_GETSPENT
4598 sv_setpv(sv, spwent->sp_pwdp);
4600 sv_setpv(sv, pwent->pw_passwd);
4602 sv_setpv(sv, pwent->pw_passwd);
4606 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4607 sv_setiv(sv, (IV)pwent->pw_uid);
4609 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4610 sv_setiv(sv, (IV)pwent->pw_gid);
4612 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4613 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4615 sv_setiv(sv, (IV)pwent->pw_change);
4618 sv_setiv(sv, (IV)pwent->pw_quota);
4621 sv_setpv(sv, pwent->pw_age);
4626 /* pw_class and pw_comment are mutually exclusive. */
4627 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4629 sv_setpv(sv, pwent->pw_class);
4632 sv_setpv(sv, pwent->pw_comment);
4636 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4638 sv_setpv(sv, pwent->pw_gecos);
4640 #ifndef INCOMPLETE_TAINTS
4641 /* pw_gecos is tainted because user himself can diddle with it. */
4645 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4646 sv_setpv(sv, pwent->pw_dir);
4648 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4649 sv_setpv(sv, pwent->pw_shell);
4652 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4653 sv_setiv(sv, (IV)pwent->pw_expire);
4658 DIE(aTHX_ PL_no_func, "getpwent");
4665 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4667 # ifdef HAS_SETSPENT
4672 DIE(aTHX_ PL_no_func, "setpwent");
4679 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4681 # ifdef HAS_ENDSPENT
4686 DIE(aTHX_ PL_no_func, "endpwent");
4695 DIE(aTHX_ PL_no_func, "getgrnam");
4704 DIE(aTHX_ PL_no_func, "getgrgid");
4711 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4712 I32 which = PL_op->op_type;
4713 register char **elem;
4715 struct group *grent;
4718 if (which == OP_GGRNAM)
4719 grent = (struct group *)getgrnam(POPpx);
4720 else if (which == OP_GGRGID)
4721 grent = (struct group *)getgrgid(POPi);
4723 grent = (struct group *)getgrent();
4726 if (GIMME != G_ARRAY) {
4727 PUSHs(sv = sv_newmortal());
4729 if (which == OP_GGRNAM)
4730 sv_setiv(sv, (IV)grent->gr_gid);
4732 sv_setpv(sv, grent->gr_name);
4738 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4739 sv_setpv(sv, grent->gr_name);
4741 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4743 sv_setpv(sv, grent->gr_passwd);
4746 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4747 sv_setiv(sv, (IV)grent->gr_gid);
4749 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4750 for (elem = grent->gr_mem; elem && *elem; elem++) {
4751 sv_catpv(sv, *elem);
4753 sv_catpvn(sv, " ", 1);
4759 DIE(aTHX_ PL_no_func, "getgrent");
4766 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4770 DIE(aTHX_ PL_no_func, "setgrent");
4777 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4781 DIE(aTHX_ PL_no_func, "endgrent");
4791 if (!(tmps = PerlProc_getlogin()))
4793 PUSHp(tmps, strlen(tmps));
4796 DIE(aTHX_ PL_no_func, "getlogin");
4800 /* Miscellaneous. */
4805 djSP; dMARK; dORIGMARK; dTARGET;
4806 register I32 items = SP - MARK;
4807 unsigned long a[20];
4814 while (++MARK <= SP) {
4815 if (SvTAINTED(*MARK)) {
4821 TAINT_PROPER("syscall");
4824 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4825 * or where sizeof(long) != sizeof(char*). But such machines will
4826 * not likely have syscall implemented either, so who cares?
4828 while (++MARK <= SP) {
4829 if (SvNIOK(*MARK) || !i)
4830 a[i++] = SvIV(*MARK);
4831 else if (*MARK == &PL_sv_undef)
4834 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4840 DIE(aTHX_ "Too many args to syscall");
4842 DIE(aTHX_ "Too few args to syscall");
4844 retval = syscall(a[0]);
4847 retval = syscall(a[0],a[1]);
4850 retval = syscall(a[0],a[1],a[2]);
4853 retval = syscall(a[0],a[1],a[2],a[3]);
4856 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4859 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4862 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4865 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4869 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4872 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4875 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4879 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4883 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4887 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4888 a[10],a[11],a[12],a[13]);
4890 #endif /* atarist */
4896 DIE(aTHX_ PL_no_func, "syscall");
4900 #ifdef FCNTL_EMULATE_FLOCK
4902 /* XXX Emulate flock() with fcntl().
4903 What's really needed is a good file locking module.
4907 fcntl_emulate_flock(int fd, int operation)
4911 switch (operation & ~LOCK_NB) {
4913 flock.l_type = F_RDLCK;
4916 flock.l_type = F_WRLCK;
4919 flock.l_type = F_UNLCK;
4925 flock.l_whence = SEEK_SET;
4926 flock.l_start = flock.l_len = 0L;
4928 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4931 #endif /* FCNTL_EMULATE_FLOCK */
4933 #ifdef LOCKF_EMULATE_FLOCK
4935 /* XXX Emulate flock() with lockf(). This is just to increase
4936 portability of scripts. The calls are not completely
4937 interchangeable. What's really needed is a good file
4941 /* The lockf() constants might have been defined in <unistd.h>.
4942 Unfortunately, <unistd.h> causes troubles on some mixed
4943 (BSD/POSIX) systems, such as SunOS 4.1.3.
4945 Further, the lockf() constants aren't POSIX, so they might not be
4946 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4947 just stick in the SVID values and be done with it. Sigh.
4951 # define F_ULOCK 0 /* Unlock a previously locked region */
4954 # define F_LOCK 1 /* Lock a region for exclusive use */
4957 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4960 # define F_TEST 3 /* Test a region for other processes locks */
4964 lockf_emulate_flock(int fd, int operation)
4970 /* flock locks entire file so for lockf we need to do the same */
4972 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4973 if (pos > 0) /* is seekable and needs to be repositioned */
4974 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4975 pos = -1; /* seek failed, so don't seek back afterwards */
4978 switch (operation) {
4980 /* LOCK_SH - get a shared lock */
4982 /* LOCK_EX - get an exclusive lock */
4984 i = lockf (fd, F_LOCK, 0);
4987 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4988 case LOCK_SH|LOCK_NB:
4989 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4990 case LOCK_EX|LOCK_NB:
4991 i = lockf (fd, F_TLOCK, 0);
4993 if ((errno == EAGAIN) || (errno == EACCES))
4994 errno = EWOULDBLOCK;
4997 /* LOCK_UN - unlock (non-blocking is a no-op) */
4999 case LOCK_UN|LOCK_NB:
5000 i = lockf (fd, F_ULOCK, 0);
5003 /* Default - can't decipher operation */
5010 if (pos > 0) /* need to restore position of the handle */
5011 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5016 #endif /* LOCKF_EMULATE_FLOCK */