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)) {
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 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1472 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1476 buffer = SvGROW(bufsv, length+1);
1477 /* 'offset' means 'flags' here */
1478 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1479 (struct sockaddr *)namebuf, &bufsize);
1482 SvCUR_set(bufsv, length);
1483 *SvEND(bufsv) = '\0';
1484 (void)SvPOK_only(bufsv);
1486 /* This should not be marked tainted if the fp is marked clean */
1487 if (!(IoFLAGS(io) & IOf_UNTAINT))
1488 SvTAINTED_on(bufsv);
1490 sv_setpvn(TARG, namebuf, bufsize);
1495 if (PL_op->op_type == OP_RECV)
1496 DIE(aTHX_ PL_no_sock_func, "recv");
1500 DIE(aTHX_ "Offset outside string");
1503 bufsize = SvCUR(bufsv);
1504 buffer = SvGROW(bufsv, length+offset+1);
1505 if (offset > bufsize) { /* Zero any newly allocated space */
1506 Zero(buffer+bufsize, offset-bufsize, char);
1508 if (PL_op->op_type == OP_SYSREAD) {
1509 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1510 if (IoTYPE(io) == 's') {
1511 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1512 buffer+offset, length, 0);
1517 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1518 buffer+offset, length);
1522 #ifdef HAS_SOCKET__bad_code_maybe
1523 if (IoTYPE(io) == 's') {
1524 char namebuf[MAXPATHLEN];
1525 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1526 bufsize = sizeof (struct sockaddr_in);
1528 bufsize = sizeof namebuf;
1530 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1531 (struct sockaddr *)namebuf, &bufsize);
1536 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1537 /* fread() returns 0 on both error and EOF */
1538 if (length == 0 && PerlIO_error(IoIFP(io)))
1543 SvCUR_set(bufsv, length+offset);
1544 *SvEND(bufsv) = '\0';
1545 (void)SvPOK_only(bufsv);
1547 /* This should not be marked tainted if the fp is marked clean */
1548 if (!(IoFLAGS(io) & IOf_UNTAINT))
1549 SvTAINTED_on(bufsv);
1562 int items = (SP - PL_stack_base) - TOPMARK;
1566 sv = sv_2mortal(newSViv(sv_len(*SP)));
1575 djSP; dMARK; dORIGMARK; dTARGET;
1586 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1590 *MARK = SvTIED_obj((SV*)gv, mg);
1592 call_method("WRITE", G_SCALAR);
1603 buffer = SvPV(bufsv, blen);
1604 length = SvIVx(*++MARK);
1606 DIE(aTHX_ "Negative length");
1609 if (!io || !IoIFP(io)) {
1611 if (ckWARN(WARN_CLOSED)) {
1612 if (PL_op->op_type == OP_SYSWRITE)
1613 Perl_warner(aTHX_ WARN_CLOSED, "Syswrite on closed filehandle");
1615 Perl_warner(aTHX_ WARN_CLOSED, "Send on closed socket");
1618 else if (PL_op->op_type == OP_SYSWRITE) {
1620 offset = SvIVx(*++MARK);
1623 DIE(aTHX_ "Offset outside string");
1625 } else if (offset >= blen && blen > 0)
1626 DIE(aTHX_ "Offset outside string");
1629 if (length > blen - offset)
1630 length = blen - offset;
1631 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1632 if (IoTYPE(io) == 's') {
1633 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1634 buffer+offset, length, 0);
1639 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1640 buffer+offset, length);
1644 else if (SP > MARK) {
1647 sockbuf = SvPVx(*++MARK, mlen);
1648 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1649 (struct sockaddr *)sockbuf, mlen);
1652 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1656 DIE(aTHX_ PL_no_sock_func, "send");
1671 return pp_sysread();
1683 gv = PL_last_in_gv = (GV*)POPs;
1685 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1687 XPUSHs(SvTIED_obj((SV*)gv, mg));
1690 call_method("EOF", G_SCALAR);
1696 PUSHs(boolSV(!gv || do_eof(gv)));
1709 gv = PL_last_in_gv = (GV*)POPs;
1711 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1713 XPUSHs(SvTIED_obj((SV*)gv, mg));
1716 call_method("TELL", G_SCALAR);
1722 PUSHi( do_tell(gv) );
1728 return pp_sysseek();
1736 Off_t offset = POPl;
1739 gv = PL_last_in_gv = (GV*)POPs;
1741 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1743 XPUSHs(SvTIED_obj((SV*)gv, mg));
1744 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1745 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1748 call_method("SEEK", G_SCALAR);
1754 if (PL_op->op_type == OP_SEEK)
1755 PUSHs(boolSV(do_seek(gv, offset, whence)));
1757 Off_t n = do_sysseek(gv, offset, whence);
1758 PUSHs((n < 0) ? &PL_sv_undef
1759 : sv_2mortal(n ? newSViv((IV)n)
1760 : newSVpvn(zero_but_true, ZBTLEN)));
1768 Off_t len = (Off_t)POPn;
1774 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1775 if (PL_op->op_flags & OPf_SPECIAL) {
1776 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1778 TAINT_PROPER("truncate");
1779 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1781 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1783 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1792 if (SvTYPE(sv) == SVt_PVGV) {
1793 tmpgv = (GV*)sv; /* *main::FRED for example */
1796 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1797 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1801 name = SvPV(sv, n_a);
1802 TAINT_PROPER("truncate");
1804 if (truncate(name, len) < 0)
1809 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1812 if (my_chsize(tmpfd, len) < 0)
1814 PerlLIO_close(tmpfd);
1823 SETERRNO(EBADF,RMS$_IFI);
1826 DIE(aTHX_ "truncate not implemented");
1839 unsigned int func = U_I(POPn);
1840 int optype = PL_op->op_type;
1846 if (!io || !argsv || !IoIFP(io)) {
1847 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1851 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1854 s = SvPV_force(argsv, len);
1855 need = IOCPARM_LEN(func);
1857 s = Sv_Grow(argsv, need + 1);
1858 SvCUR_set(argsv, need);
1861 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1864 retval = SvIV(argsv);
1865 s = (char*)retval; /* ouch */
1868 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1870 if (optype == OP_IOCTL)
1872 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1874 DIE(aTHX_ "ioctl is not implemented");
1878 #if defined(OS2) && defined(__EMX__)
1879 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1881 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1884 DIE(aTHX_ "fcntl is not implemented");
1888 if (s[SvCUR(argsv)] != 17)
1889 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1890 PL_op_name[optype]);
1891 s[SvCUR(argsv)] = 0; /* put our null back */
1892 SvSETMAGIC(argsv); /* Assume it has changed */
1901 PUSHp(zero_but_true, ZBTLEN);
1921 fp = IoIFP(GvIOp(gv));
1925 (void)PerlIO_flush(fp);
1926 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1933 DIE(aTHX_ PL_no_func, "flock()");
1945 int protocol = POPi;
1953 SETERRNO(EBADF,LIB$_INVARG);
1959 do_close(gv, FALSE);
1961 TAINT_PROPER("socket");
1962 fd = PerlSock_socket(domain, type, protocol);
1965 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1966 IoOFP(io) = PerlIO_fdopen(fd, "w");
1968 if (!IoIFP(io) || !IoOFP(io)) {
1969 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1970 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1971 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1977 DIE(aTHX_ PL_no_sock_func, "socket");
1984 #ifdef HAS_SOCKETPAIR
1989 int protocol = POPi;
2002 do_close(gv1, FALSE);
2004 do_close(gv2, FALSE);
2006 TAINT_PROPER("socketpair");
2007 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2009 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2010 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2012 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2013 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2015 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2016 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2017 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2018 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2019 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2020 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2021 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2027 DIE(aTHX_ PL_no_sock_func, "socketpair");
2035 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2036 extern GETPRIVMODE();
2037 extern GETUSERMODE();
2042 register IO *io = GvIOn(gv);
2046 int mpeprivmode = 0;
2049 if (!io || !IoIFP(io))
2052 addr = SvPV(addrsv, len);
2053 TAINT_PROPER("bind");
2054 #ifdef MPE /* Deal with MPE bind() peculiarities */
2055 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2056 /* The address *MUST* stupidly be zero. */
2057 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2058 /* PRIV mode is required to bind() to ports < 1024. */
2059 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2060 ((struct sockaddr_in *)addr)->sin_port > 0) {
2061 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2066 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2067 (struct sockaddr *)addr, len) >= 0)
2070 #ifdef MPE /* Switch back to USER mode */
2081 if (ckWARN(WARN_CLOSED))
2082 Perl_warner(aTHX_ WARN_CLOSED, "bind() on closed fd");
2083 SETERRNO(EBADF,SS$_IVCHAN);
2086 DIE(aTHX_ PL_no_sock_func, "bind");
2097 register IO *io = GvIOn(gv);
2100 if (!io || !IoIFP(io))
2103 addr = SvPV(addrsv, len);
2104 TAINT_PROPER("connect");
2105 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2111 if (ckWARN(WARN_CLOSED))
2112 Perl_warner(aTHX_ WARN_CLOSED, "connect() on closed fd");
2113 SETERRNO(EBADF,SS$_IVCHAN);
2116 DIE(aTHX_ PL_no_sock_func, "connect");
2126 register IO *io = GvIOn(gv);
2128 if (!io || !IoIFP(io))
2131 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2137 if (ckWARN(WARN_CLOSED))
2138 Perl_warner(aTHX_ WARN_CLOSED, "listen() on closed fd");
2139 SETERRNO(EBADF,SS$_IVCHAN);
2142 DIE(aTHX_ PL_no_sock_func, "listen");
2154 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2155 Sock_size_t len = sizeof saddr;
2167 if (!gstio || !IoIFP(gstio))
2172 do_close(ngv, FALSE);
2174 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2177 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2178 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2179 IoTYPE(nstio) = 's';
2180 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2181 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2182 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2183 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2187 PUSHp((char *)&saddr, len);
2191 if (ckWARN(WARN_CLOSED))
2192 Perl_warner(aTHX_ WARN_CLOSED, "accept() on closed fd");
2193 SETERRNO(EBADF,SS$_IVCHAN);
2199 DIE(aTHX_ PL_no_sock_func, "accept");
2209 register IO *io = GvIOn(gv);
2211 if (!io || !IoIFP(io))
2214 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2218 if (ckWARN(WARN_CLOSED))
2219 Perl_warner(aTHX_ WARN_CLOSED, "shutdown() on closed fd");
2220 SETERRNO(EBADF,SS$_IVCHAN);
2223 DIE(aTHX_ PL_no_sock_func, "shutdown");
2230 return pp_ssockopt();
2232 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2240 int optype = PL_op->op_type;
2243 unsigned int optname;
2249 if (optype == OP_GSOCKOPT)
2250 sv = sv_2mortal(NEWSV(22, 257));
2253 optname = (unsigned int) POPi;
2254 lvl = (unsigned int) POPi;
2258 if (!io || !IoIFP(io))
2261 fd = PerlIO_fileno(IoIFP(io));
2265 (void)SvPOK_only(sv);
2269 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2284 aint = (int)SvIV(sv);
2288 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2297 if (ckWARN(WARN_CLOSED))
2298 Perl_warner(aTHX_ WARN_CLOSED, "[gs]etsockopt() on closed fd");
2299 SETERRNO(EBADF,SS$_IVCHAN);
2304 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2311 return pp_getpeername();
2313 DIE(aTHX_ PL_no_sock_func, "getsockname");
2321 int optype = PL_op->op_type;
2325 register IO *io = GvIOn(gv);
2328 if (!io || !IoIFP(io))
2331 sv = sv_2mortal(NEWSV(22, 257));
2332 (void)SvPOK_only(sv);
2336 fd = PerlIO_fileno(IoIFP(io));
2338 case OP_GETSOCKNAME:
2339 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2342 case OP_GETPEERNAME:
2343 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2345 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2347 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2348 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2349 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2350 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2351 sizeof(u_short) + sizeof(struct in_addr))) {
2358 #ifdef BOGUS_GETNAME_RETURN
2359 /* Interactive Unix, getpeername() and getsockname()
2360 does not return valid namelen */
2361 if (len == BOGUS_GETNAME_RETURN)
2362 len = sizeof(struct sockaddr);
2370 if (ckWARN(WARN_CLOSED))
2371 Perl_warner(aTHX_ WARN_CLOSED, "get{sock, peer}name() on closed fd");
2372 SETERRNO(EBADF,SS$_IVCHAN);
2377 DIE(aTHX_ PL_no_sock_func, "getpeername");
2396 if (PL_op->op_flags & OPf_REF) {
2397 tmpgv = cGVOP->op_gv;
2399 if (tmpgv != PL_defgv) {
2400 PL_laststype = OP_STAT;
2402 sv_setpv(PL_statname, "");
2403 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2404 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2406 if (PL_laststatval < 0)
2411 if (SvTYPE(sv) == SVt_PVGV) {
2415 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2416 tmpgv = (GV*)SvRV(sv);
2419 sv_setpv(PL_statname, SvPV(sv,n_a));
2422 PL_laststype = PL_op->op_type;
2423 if (PL_op->op_type == OP_LSTAT)
2424 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2427 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2428 if (PL_laststatval < 0) {
2429 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2430 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2436 if (gimme != G_ARRAY) {
2437 if (gimme != G_VOID)
2438 XPUSHs(boolSV(max));
2444 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2445 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2446 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2447 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2448 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2449 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2450 #ifdef USE_STAT_RDEV
2451 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2453 PUSHs(sv_2mortal(newSVpvn("", 0)));
2455 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2457 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2458 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2459 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2461 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2462 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2463 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2465 #ifdef USE_STAT_BLOCKS
2466 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2467 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2469 PUSHs(sv_2mortal(newSVpvn("", 0)));
2470 PUSHs(sv_2mortal(newSVpvn("", 0)));
2480 #if defined(HAS_ACCESS) && defined(R_OK)
2482 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2483 result = access(TOPpx, R_OK);
2498 if (cando(S_IRUSR, 0, &PL_statcache))
2507 #if defined(HAS_ACCESS) && defined(W_OK)
2509 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2510 result = access(TOPpx, W_OK);
2525 if (cando(S_IWUSR, 0, &PL_statcache))
2534 #if defined(HAS_ACCESS) && defined(X_OK)
2536 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2537 result = access(TOPpx, X_OK);
2552 if (cando(S_IXUSR, 0, &PL_statcache))
2561 #ifdef PERL_EFF_ACCESS_R_OK
2563 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2564 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2579 if (cando(S_IRUSR, 1, &PL_statcache))
2588 #ifdef PERL_EFF_ACCESS_W_OK
2590 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2591 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2606 if (cando(S_IWUSR, 1, &PL_statcache))
2615 #ifdef PERL_EFF_ACCESS_X_OK
2617 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2618 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2633 if (cando(S_IXUSR, 1, &PL_statcache))
2640 I32 result = my_stat();
2649 return pp_ftrowned();
2654 I32 result = my_stat();
2658 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2665 I32 result = my_stat();
2669 if (!PL_statcache.st_size)
2676 I32 result = my_stat();
2680 PUSHi(PL_statcache.st_size);
2686 I32 result = my_stat();
2690 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2696 I32 result = my_stat();
2700 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2706 I32 result = my_stat();
2710 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2716 I32 result = my_stat();
2720 if (S_ISSOCK(PL_statcache.st_mode))
2727 I32 result = my_stat();
2731 if (S_ISCHR(PL_statcache.st_mode))
2738 I32 result = my_stat();
2742 if (S_ISBLK(PL_statcache.st_mode))
2749 I32 result = my_stat();
2753 if (S_ISREG(PL_statcache.st_mode))
2760 I32 result = my_stat();
2764 if (S_ISDIR(PL_statcache.st_mode))
2771 I32 result = my_stat();
2775 if (S_ISFIFO(PL_statcache.st_mode))
2782 I32 result = my_lstat();
2786 if (S_ISLNK(PL_statcache.st_mode))
2795 I32 result = my_stat();
2799 if (PL_statcache.st_mode & S_ISUID)
2809 I32 result = my_stat();
2813 if (PL_statcache.st_mode & S_ISGID)
2823 I32 result = my_stat();
2827 if (PL_statcache.st_mode & S_ISVTX)
2838 char *tmps = Nullch;
2841 if (PL_op->op_flags & OPf_REF)
2843 else if (isGV(TOPs))
2845 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2846 gv = (GV*)SvRV(POPs);
2848 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2850 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2851 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2852 else if (tmps && isDIGIT(*tmps))
2856 if (PerlLIO_isatty(fd))
2861 #if defined(atarist) /* this will work with atariST. Configure will
2862 make guesses for other systems. */
2863 # define FILE_base(f) ((f)->_base)
2864 # define FILE_ptr(f) ((f)->_ptr)
2865 # define FILE_cnt(f) ((f)->_cnt)
2866 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2876 register STDCHAR *s;
2882 if (PL_op->op_flags & OPf_REF)
2884 else if (isGV(TOPs))
2886 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2887 gv = (GV*)SvRV(POPs);
2893 if (gv == PL_defgv) {
2895 io = GvIO(PL_statgv);
2898 goto really_filename;
2903 PL_laststatval = -1;
2904 sv_setpv(PL_statname, "");
2905 io = GvIO(PL_statgv);
2907 if (io && IoIFP(io)) {
2908 if (! PerlIO_has_base(IoIFP(io)))
2909 DIE(aTHX_ "-T and -B not implemented on filehandles");
2910 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2911 if (PL_laststatval < 0)
2913 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2914 if (PL_op->op_type == OP_FTTEXT)
2918 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2919 i = PerlIO_getc(IoIFP(io));
2921 (void)PerlIO_ungetc(IoIFP(io),i);
2923 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2925 len = PerlIO_get_bufsiz(IoIFP(io));
2926 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2927 /* sfio can have large buffers - limit to 512 */
2932 if (ckWARN(WARN_UNOPENED))
2933 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
2934 GvENAME(cGVOP->op_gv));
2935 SETERRNO(EBADF,RMS$_IFI);
2943 PL_laststatval = -1;
2944 sv_setpv(PL_statname, SvPV(sv, n_a));
2946 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2948 i = PerlLIO_open(SvPV(sv, n_a), 0);
2951 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2952 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
2955 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2956 if (PL_laststatval < 0)
2958 len = PerlLIO_read(i, tbuf, 512);
2959 (void)PerlLIO_close(i);
2961 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2962 RETPUSHNO; /* special case NFS directories */
2963 RETPUSHYES; /* null file is anything */
2968 /* now scan s to look for textiness */
2969 /* XXX ASCII dependent code */
2971 for (i = 0; i < len; i++, s++) {
2972 if (!*s) { /* null never allowed in text */
2977 else if (!(isPRINT(*s) || isSPACE(*s)))
2983 *s != '\n' && *s != '\r' && *s != '\b' &&
2984 *s != '\t' && *s != '\f' && *s != 27)
2989 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3013 if (!tmps || !*tmps) {
3014 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3016 tmps = SvPV(*svp, n_a);
3018 if (!tmps || !*tmps) {
3019 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3021 tmps = SvPV(*svp, n_a);
3024 if (!tmps || !*tmps) {
3025 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3027 tmps = SvPV(*svp, n_a);
3030 TAINT_PROPER("chdir");
3031 PUSHi( PerlDir_chdir(tmps) >= 0 );
3033 /* Clear the DEFAULT element of ENV so we'll get the new value
3035 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3042 djSP; dMARK; dTARGET;
3045 value = (I32)apply(PL_op->op_type, MARK, SP);
3050 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3061 TAINT_PROPER("chroot");
3062 PUSHi( chroot(tmps) >= 0 );
3065 DIE(aTHX_ PL_no_func, "chroot");
3071 djSP; dMARK; dTARGET;
3073 value = (I32)apply(PL_op->op_type, MARK, SP);
3081 djSP; dMARK; dTARGET;
3083 value = (I32)apply(PL_op->op_type, MARK, SP);
3091 djSP; dMARK; dTARGET;
3093 value = (I32)apply(PL_op->op_type, MARK, SP);
3105 char *tmps2 = POPpx;
3106 char *tmps = SvPV(TOPs, n_a);
3107 TAINT_PROPER("rename");
3109 anum = PerlLIO_rename(tmps, tmps2);
3111 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3112 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3115 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3116 (void)UNLINK(tmps2);
3117 if (!(anum = link(tmps, tmps2)))
3118 anum = UNLINK(tmps);
3131 char *tmps2 = POPpx;
3132 char *tmps = SvPV(TOPs, n_a);
3133 TAINT_PROPER("link");
3134 SETi( link(tmps, tmps2) >= 0 );
3136 DIE(aTHX_ PL_no_func, "Unsupported function link");
3146 char *tmps2 = POPpx;
3147 char *tmps = SvPV(TOPs, n_a);
3148 TAINT_PROPER("symlink");
3149 SETi( symlink(tmps, tmps2) >= 0 );
3152 DIE(aTHX_ PL_no_func, "symlink");
3161 char buf[MAXPATHLEN];
3165 #ifndef INCOMPLETE_TAINTS
3169 len = readlink(tmps, buf, sizeof buf);
3177 RETSETUNDEF; /* just pretend it's a normal file */
3181 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3183 S_dooneliner(pTHX_ char *cmd, char *filename)
3185 char *save_filename = filename;
3191 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3192 strcpy(cmdline, cmd);
3193 strcat(cmdline, " ");
3194 for (s = cmdline + strlen(cmdline); *filename; ) {
3199 myfp = PerlProc_popen(cmdline, "r");
3203 SV *tmpsv = sv_newmortal();
3204 /* Need to save/restore 'PL_rs' ?? */
3205 s = sv_gets(tmpsv, myfp, 0);
3206 (void)PerlProc_pclose(myfp);
3210 #ifdef HAS_SYS_ERRLIST
3215 /* you don't see this */
3217 #ifdef HAS_SYS_ERRLIST
3225 if (instr(s, errmsg)) {
3232 #define EACCES EPERM
3234 if (instr(s, "cannot make"))
3235 SETERRNO(EEXIST,RMS$_FEX);
3236 else if (instr(s, "existing file"))
3237 SETERRNO(EEXIST,RMS$_FEX);
3238 else if (instr(s, "ile exists"))
3239 SETERRNO(EEXIST,RMS$_FEX);
3240 else if (instr(s, "non-exist"))
3241 SETERRNO(ENOENT,RMS$_FNF);
3242 else if (instr(s, "does not exist"))
3243 SETERRNO(ENOENT,RMS$_FNF);
3244 else if (instr(s, "not empty"))
3245 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3246 else if (instr(s, "cannot access"))
3247 SETERRNO(EACCES,RMS$_PRV);
3249 SETERRNO(EPERM,RMS$_PRV);
3252 else { /* some mkdirs return no failure indication */
3253 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3254 if (PL_op->op_type == OP_RMDIR)
3259 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3276 char *tmps = SvPV(TOPs, n_a);
3278 TAINT_PROPER("mkdir");
3280 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3282 SETi( dooneliner("mkdir", tmps) );
3283 oldumask = PerlLIO_umask(0);
3284 PerlLIO_umask(oldumask);
3285 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3297 TAINT_PROPER("rmdir");
3299 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3301 XPUSHi( dooneliner("rmdir", tmps) );
3306 /* Directory calls. */
3311 #if defined(Direntry_t) && defined(HAS_READDIR)
3313 char *dirname = POPpx;
3315 register IO *io = GvIOn(gv);
3321 PerlDir_close(IoDIRP(io));
3322 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3328 SETERRNO(EBADF,RMS$_DIR);
3331 DIE(aTHX_ PL_no_dir_func, "opendir");
3338 #if defined(Direntry_t) && defined(HAS_READDIR)
3340 Direntry_t *readdir (DIR *);
3342 register Direntry_t *dp;
3344 register IO *io = GvIOn(gv);
3347 if (!io || !IoDIRP(io))
3350 if (GIMME == G_ARRAY) {
3352 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3354 sv = newSVpvn(dp->d_name, dp->d_namlen);
3356 sv = newSVpv(dp->d_name, 0);
3358 #ifndef INCOMPLETE_TAINTS
3361 XPUSHs(sv_2mortal(sv));
3365 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3368 sv = newSVpvn(dp->d_name, dp->d_namlen);
3370 sv = newSVpv(dp->d_name, 0);
3372 #ifndef INCOMPLETE_TAINTS
3375 XPUSHs(sv_2mortal(sv));
3381 SETERRNO(EBADF,RMS$_ISI);
3382 if (GIMME == G_ARRAY)
3387 DIE(aTHX_ PL_no_dir_func, "readdir");
3394 #if defined(HAS_TELLDIR) || defined(telldir)
3395 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3396 /* XXX netbsd still seemed to.
3397 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3398 --JHI 1999-Feb-02 */
3399 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3400 long telldir (DIR *);
3403 register IO *io = GvIOn(gv);
3405 if (!io || !IoDIRP(io))
3408 PUSHi( PerlDir_tell(IoDIRP(io)) );
3412 SETERRNO(EBADF,RMS$_ISI);
3415 DIE(aTHX_ PL_no_dir_func, "telldir");
3422 #if defined(HAS_SEEKDIR) || defined(seekdir)
3425 register IO *io = GvIOn(gv);
3427 if (!io || !IoDIRP(io))
3430 (void)PerlDir_seek(IoDIRP(io), along);
3435 SETERRNO(EBADF,RMS$_ISI);
3438 DIE(aTHX_ PL_no_dir_func, "seekdir");
3445 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3447 register IO *io = GvIOn(gv);
3449 if (!io || !IoDIRP(io))
3452 (void)PerlDir_rewind(IoDIRP(io));
3456 SETERRNO(EBADF,RMS$_ISI);
3459 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3466 #if defined(Direntry_t) && defined(HAS_READDIR)
3468 register IO *io = GvIOn(gv);
3470 if (!io || !IoDIRP(io))
3473 #ifdef VOID_CLOSEDIR
3474 PerlDir_close(IoDIRP(io));
3476 if (PerlDir_close(IoDIRP(io)) < 0) {
3477 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3486 SETERRNO(EBADF,RMS$_IFI);
3489 DIE(aTHX_ PL_no_dir_func, "closedir");
3493 /* Process control. */
3503 PERL_FLUSHALL_FOR_CHILD;
3509 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3510 sv_setiv(GvSV(tmpgv), (IV)getpid());
3511 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3516 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3522 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3527 childpid = wait4pid(-1, &argflags, 0);
3528 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3532 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3538 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3546 childpid = wait4pid(childpid, &argflags, optype);
3547 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3551 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3557 djSP; dMARK; dORIGMARK; dTARGET;
3562 Sigsave_t ihand,qhand; /* place to save signals during system() */
3565 if (SP - MARK == 1) {
3567 char *junk = SvPV(TOPs, n_a);
3569 TAINT_PROPER("system");
3572 PERL_FLUSHALL_FOR_CHILD;
3573 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3574 while ((childpid = vfork()) == -1) {
3575 if (errno != EAGAIN) {
3584 rsignal_save(SIGINT, SIG_IGN, &ihand);
3585 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3587 result = wait4pid(childpid, &status, 0);
3588 } while (result == -1 && errno == EINTR);
3589 (void)rsignal_restore(SIGINT, &ihand);
3590 (void)rsignal_restore(SIGQUIT, &qhand);
3591 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3592 do_execfree(); /* free any memory child malloced on vfork */
3594 PUSHi(STATUS_CURRENT);
3597 if (PL_op->op_flags & OPf_STACKED) {
3598 SV *really = *++MARK;
3599 value = (I32)do_aexec(really, MARK, SP);
3601 else if (SP - MARK != 1)
3602 value = (I32)do_aexec(Nullsv, MARK, SP);
3604 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3607 #else /* ! FORK or VMS or OS/2 */
3608 if (PL_op->op_flags & OPf_STACKED) {
3609 SV *really = *++MARK;
3610 value = (I32)do_aspawn(aTHX_ really, (void **)MARK, (void **)SP);
3612 else if (SP - MARK != 1)
3613 value = (I32)do_aspawn(aTHX_ Nullsv, (void **)MARK, (void **)SP);
3615 value = (I32)do_spawn(aTHX_ SvPVx(sv_mortalcopy(*SP), n_a));
3617 STATUS_NATIVE_SET(value);
3620 PUSHi(STATUS_CURRENT);
3621 #endif /* !FORK or VMS */
3627 djSP; dMARK; dORIGMARK; dTARGET;
3631 PERL_FLUSHALL_FOR_CHILD;
3632 if (PL_op->op_flags & OPf_STACKED) {
3633 SV *really = *++MARK;
3634 value = (I32)do_aexec(really, MARK, SP);
3636 else if (SP - MARK != 1)
3638 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3642 (void ) do_aspawn(aTHX_ Nullsv, MARK, SP);
3646 value = (I32)do_aexec(Nullsv, MARK, SP);
3651 char *junk = SvPV(*SP, n_a);
3653 TAINT_PROPER("exec");
3656 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3659 (void) do_spawn(aTHX_ SvPVx(sv_mortalcopy(*SP), n_a));
3662 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3673 djSP; dMARK; dTARGET;
3676 value = (I32)apply(PL_op->op_type, MARK, SP);
3681 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3689 XPUSHi( getppid() );
3692 DIE(aTHX_ PL_no_func, "getppid");
3708 value = (I32)BSD_GETPGRP(pid);
3710 if (pid != 0 && pid != getpid())
3711 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3712 value = (I32)getpgrp();
3717 DIE(aTHX_ PL_no_func, "getpgrp()");
3736 TAINT_PROPER("setpgrp");
3738 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3740 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3741 DIE(aTHX_ "POSIX setpgrp can't take an argument");
3742 SETi( setpgrp() >= 0 );
3743 #endif /* USE_BSDPGRP */
3746 DIE(aTHX_ PL_no_func, "setpgrp()");
3755 #ifdef HAS_GETPRIORITY
3758 SETi( getpriority(which, who) );
3761 DIE(aTHX_ PL_no_func, "getpriority()");
3771 #ifdef HAS_SETPRIORITY
3775 TAINT_PROPER("setpriority");
3776 SETi( setpriority(which, who, niceval) >= 0 );
3779 DIE(aTHX_ PL_no_func, "setpriority()");
3789 XPUSHn( time(Null(Time_t*)) );
3791 XPUSHi( time(Null(Time_t*)) );
3796 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3797 to HZ. Probably. For now, assume that if the system
3798 defines HZ, it does so correctly. (Will this break
3800 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3801 it's supported. --AD 9/96.
3817 DIE(aTHX_ "times not implemented");
3822 (void)PerlProc_times(&PL_timesbuf);
3824 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3825 /* struct tms, though same data */
3829 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
3830 if (GIMME == G_ARRAY) {
3831 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
3832 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
3833 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
3836 #endif /* HAS_TIMES */
3849 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3850 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3851 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3857 when = (Time_t)SvNVx(POPs);
3859 when = (Time_t)SvIVx(POPs);
3862 if (PL_op->op_type == OP_LOCALTIME)
3863 tmbuf = localtime(&when);
3865 tmbuf = gmtime(&when);
3869 if (GIMME != G_ARRAY) {
3874 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
3875 dayname[tmbuf->tm_wday],
3876 monname[tmbuf->tm_mon],
3881 tmbuf->tm_year + 1900);
3882 PUSHs(sv_2mortal(tsv));
3885 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3886 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3887 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3888 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3889 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3890 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3891 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3892 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3893 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3904 anum = alarm((unsigned int)anum);
3911 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
3922 (void)time(&lasttime);
3927 PerlProc_sleep((unsigned int)duration);
3930 XPUSHi(when - lasttime);
3934 /* Shared memory. */
3948 return pp_shmwrite();
3953 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3954 djSP; dMARK; dTARGET;
3955 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3964 /* Message passing. */
3978 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3979 djSP; dMARK; dTARGET;
3980 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3991 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3992 djSP; dMARK; dTARGET;
3993 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4006 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4007 djSP; dMARK; dTARGET;
4008 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4015 DIE(aTHX_ "System V IPC is not implemented on this machine");
4021 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4022 djSP; dMARK; dTARGET;
4023 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4031 PUSHp(zero_but_true, ZBTLEN);
4041 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4042 djSP; dMARK; dTARGET;
4043 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4052 /* Get system info. */
4056 #ifdef HAS_GETHOSTBYNAME
4057 return pp_ghostent();
4059 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4065 #ifdef HAS_GETHOSTBYADDR
4066 return pp_ghostent();
4068 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4075 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4076 I32 which = PL_op->op_type;
4077 register char **elem;
4079 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4080 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4081 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4082 struct hostent *PerlSock_gethostent(void);
4084 struct hostent *hent;
4089 if (which == OP_GHBYNAME)
4090 #ifdef HAS_GETHOSTBYNAME
4091 hent = PerlSock_gethostbyname(POPpx);
4093 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4095 else if (which == OP_GHBYADDR) {
4096 #ifdef HAS_GETHOSTBYADDR
4097 int addrtype = POPi;
4100 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4102 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4104 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4108 #ifdef HAS_GETHOSTENT
4109 hent = PerlSock_gethostent();
4111 DIE(aTHX_ PL_no_sock_func, "gethostent");
4114 #ifdef HOST_NOT_FOUND
4116 STATUS_NATIVE_SET(h_errno);
4119 if (GIMME != G_ARRAY) {
4120 PUSHs(sv = sv_newmortal());
4122 if (which == OP_GHBYNAME) {
4124 sv_setpvn(sv, hent->h_addr, hent->h_length);
4127 sv_setpv(sv, (char*)hent->h_name);
4133 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4134 sv_setpv(sv, (char*)hent->h_name);
4135 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4136 for (elem = hent->h_aliases; elem && *elem; elem++) {
4137 sv_catpv(sv, *elem);
4139 sv_catpvn(sv, " ", 1);
4141 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4142 sv_setiv(sv, (IV)hent->h_addrtype);
4143 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4144 len = hent->h_length;
4145 sv_setiv(sv, (IV)len);
4147 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4148 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4149 sv_setpvn(sv, *elem, len);
4152 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4154 sv_setpvn(sv, hent->h_addr, len);
4159 DIE(aTHX_ PL_no_sock_func, "gethostent");
4165 #ifdef HAS_GETNETBYNAME
4166 return pp_gnetent();
4168 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4174 #ifdef HAS_GETNETBYADDR
4175 return pp_gnetent();
4177 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4184 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4185 I32 which = PL_op->op_type;
4186 register char **elem;
4188 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4189 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4190 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4191 struct netent *PerlSock_getnetent(void);
4193 struct netent *nent;
4196 if (which == OP_GNBYNAME)
4197 #ifdef HAS_GETNETBYNAME
4198 nent = PerlSock_getnetbyname(POPpx);
4200 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4202 else if (which == OP_GNBYADDR) {
4203 #ifdef HAS_GETNETBYADDR
4204 int addrtype = POPi;
4205 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4206 nent = PerlSock_getnetbyaddr(addr, addrtype);
4208 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4212 #ifdef HAS_GETNETENT
4213 nent = PerlSock_getnetent();
4215 DIE(aTHX_ PL_no_sock_func, "getnetent");
4219 if (GIMME != G_ARRAY) {
4220 PUSHs(sv = sv_newmortal());
4222 if (which == OP_GNBYNAME)
4223 sv_setiv(sv, (IV)nent->n_net);
4225 sv_setpv(sv, nent->n_name);
4231 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4232 sv_setpv(sv, nent->n_name);
4233 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4234 for (elem = nent->n_aliases; elem && *elem; elem++) {
4235 sv_catpv(sv, *elem);
4237 sv_catpvn(sv, " ", 1);
4239 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4240 sv_setiv(sv, (IV)nent->n_addrtype);
4241 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4242 sv_setiv(sv, (IV)nent->n_net);
4247 DIE(aTHX_ PL_no_sock_func, "getnetent");
4253 #ifdef HAS_GETPROTOBYNAME
4254 return pp_gprotoent();
4256 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4262 #ifdef HAS_GETPROTOBYNUMBER
4263 return pp_gprotoent();
4265 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4272 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4273 I32 which = PL_op->op_type;
4274 register char **elem;
4276 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4277 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4278 struct protoent *PerlSock_getprotobynumber(int);
4279 struct protoent *PerlSock_getprotoent(void);
4281 struct protoent *pent;
4284 if (which == OP_GPBYNAME)
4285 #ifdef HAS_GETPROTOBYNAME
4286 pent = PerlSock_getprotobyname(POPpx);
4288 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4290 else if (which == OP_GPBYNUMBER)
4291 #ifdef HAS_GETPROTOBYNUMBER
4292 pent = PerlSock_getprotobynumber(POPi);
4294 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4297 #ifdef HAS_GETPROTOENT
4298 pent = PerlSock_getprotoent();
4300 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4304 if (GIMME != G_ARRAY) {
4305 PUSHs(sv = sv_newmortal());
4307 if (which == OP_GPBYNAME)
4308 sv_setiv(sv, (IV)pent->p_proto);
4310 sv_setpv(sv, pent->p_name);
4316 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4317 sv_setpv(sv, pent->p_name);
4318 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4319 for (elem = pent->p_aliases; elem && *elem; elem++) {
4320 sv_catpv(sv, *elem);
4322 sv_catpvn(sv, " ", 1);
4324 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4325 sv_setiv(sv, (IV)pent->p_proto);
4330 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4336 #ifdef HAS_GETSERVBYNAME
4337 return pp_gservent();
4339 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4345 #ifdef HAS_GETSERVBYPORT
4346 return pp_gservent();
4348 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4355 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4356 I32 which = PL_op->op_type;
4357 register char **elem;
4359 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4360 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4361 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4362 struct servent *PerlSock_getservent(void);
4364 struct servent *sent;
4367 if (which == OP_GSBYNAME) {
4368 #ifdef HAS_GETSERVBYNAME
4369 char *proto = POPpx;
4372 if (proto && !*proto)
4375 sent = PerlSock_getservbyname(name, proto);
4377 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4380 else if (which == OP_GSBYPORT) {
4381 #ifdef HAS_GETSERVBYPORT
4382 char *proto = POPpx;
4383 unsigned short port = POPu;
4386 port = PerlSock_htons(port);
4388 sent = PerlSock_getservbyport(port, proto);
4390 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4394 #ifdef HAS_GETSERVENT
4395 sent = PerlSock_getservent();
4397 DIE(aTHX_ PL_no_sock_func, "getservent");
4401 if (GIMME != G_ARRAY) {
4402 PUSHs(sv = sv_newmortal());
4404 if (which == OP_GSBYNAME) {
4406 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4408 sv_setiv(sv, (IV)(sent->s_port));
4412 sv_setpv(sv, sent->s_name);
4418 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4419 sv_setpv(sv, sent->s_name);
4420 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4421 for (elem = sent->s_aliases; elem && *elem; elem++) {
4422 sv_catpv(sv, *elem);
4424 sv_catpvn(sv, " ", 1);
4426 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4428 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4430 sv_setiv(sv, (IV)(sent->s_port));
4432 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4433 sv_setpv(sv, sent->s_proto);
4438 DIE(aTHX_ PL_no_sock_func, "getservent");
4445 #ifdef HAS_SETHOSTENT
4446 PerlSock_sethostent(TOPi);
4449 DIE(aTHX_ PL_no_sock_func, "sethostent");
4456 #ifdef HAS_SETNETENT
4457 PerlSock_setnetent(TOPi);
4460 DIE(aTHX_ PL_no_sock_func, "setnetent");
4467 #ifdef HAS_SETPROTOENT
4468 PerlSock_setprotoent(TOPi);
4471 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4478 #ifdef HAS_SETSERVENT
4479 PerlSock_setservent(TOPi);
4482 DIE(aTHX_ PL_no_sock_func, "setservent");
4489 #ifdef HAS_ENDHOSTENT
4490 PerlSock_endhostent();
4494 DIE(aTHX_ PL_no_sock_func, "endhostent");
4501 #ifdef HAS_ENDNETENT
4502 PerlSock_endnetent();
4506 DIE(aTHX_ PL_no_sock_func, "endnetent");
4513 #ifdef HAS_ENDPROTOENT
4514 PerlSock_endprotoent();
4518 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4525 #ifdef HAS_ENDSERVENT
4526 PerlSock_endservent();
4530 DIE(aTHX_ PL_no_sock_func, "endservent");
4539 DIE(aTHX_ PL_no_func, "getpwnam");
4548 DIE(aTHX_ PL_no_func, "getpwuid");
4555 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4556 I32 which = PL_op->op_type;
4558 struct passwd *pwent;
4561 struct spwd *spwent = NULL;
4564 if (which == OP_GPWNAM)
4565 pwent = getpwnam(POPpx);
4566 else if (which == OP_GPWUID)
4567 pwent = getpwuid(POPi);
4569 pwent = (struct passwd *)getpwent();
4572 if (which == OP_GPWNAM) {
4574 spwent = getspnam(pwent->pw_name);
4576 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4577 else if (which == OP_GPWUID) {
4579 spwent = getspnam(pwent->pw_name);
4583 spwent = (struct spwd *)getspent();
4587 if (GIMME != G_ARRAY) {
4588 PUSHs(sv = sv_newmortal());
4590 if (which == OP_GPWNAM)
4591 sv_setiv(sv, (IV)pwent->pw_uid);
4593 sv_setpv(sv, pwent->pw_name);
4599 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4600 sv_setpv(sv, pwent->pw_name);
4602 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4604 # ifdef HAS_GETSPENT
4606 sv_setpv(sv, spwent->sp_pwdp);
4608 sv_setpv(sv, pwent->pw_passwd);
4610 sv_setpv(sv, pwent->pw_passwd);
4614 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4615 sv_setiv(sv, (IV)pwent->pw_uid);
4617 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4618 sv_setiv(sv, (IV)pwent->pw_gid);
4620 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4621 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4623 sv_setiv(sv, (IV)pwent->pw_change);
4626 sv_setiv(sv, (IV)pwent->pw_quota);
4629 sv_setpv(sv, pwent->pw_age);
4634 /* pw_class and pw_comment are mutually exclusive. */
4635 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4637 sv_setpv(sv, pwent->pw_class);
4640 sv_setpv(sv, pwent->pw_comment);
4644 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4646 sv_setpv(sv, pwent->pw_gecos);
4648 #ifndef INCOMPLETE_TAINTS
4649 /* pw_gecos is tainted because user himself can diddle with it. */
4653 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4654 sv_setpv(sv, pwent->pw_dir);
4656 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4657 sv_setpv(sv, pwent->pw_shell);
4660 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4661 sv_setiv(sv, (IV)pwent->pw_expire);
4666 DIE(aTHX_ PL_no_func, "getpwent");
4673 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4675 # ifdef HAS_SETSPENT
4680 DIE(aTHX_ PL_no_func, "setpwent");
4687 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4689 # ifdef HAS_ENDSPENT
4694 DIE(aTHX_ PL_no_func, "endpwent");
4703 DIE(aTHX_ PL_no_func, "getgrnam");
4712 DIE(aTHX_ PL_no_func, "getgrgid");
4719 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4720 I32 which = PL_op->op_type;
4721 register char **elem;
4723 struct group *grent;
4726 if (which == OP_GGRNAM)
4727 grent = (struct group *)getgrnam(POPpx);
4728 else if (which == OP_GGRGID)
4729 grent = (struct group *)getgrgid(POPi);
4731 grent = (struct group *)getgrent();
4734 if (GIMME != G_ARRAY) {
4735 PUSHs(sv = sv_newmortal());
4737 if (which == OP_GGRNAM)
4738 sv_setiv(sv, (IV)grent->gr_gid);
4740 sv_setpv(sv, grent->gr_name);
4746 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4747 sv_setpv(sv, grent->gr_name);
4749 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4751 sv_setpv(sv, grent->gr_passwd);
4754 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4755 sv_setiv(sv, (IV)grent->gr_gid);
4757 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4758 for (elem = grent->gr_mem; elem && *elem; elem++) {
4759 sv_catpv(sv, *elem);
4761 sv_catpvn(sv, " ", 1);
4767 DIE(aTHX_ PL_no_func, "getgrent");
4774 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4778 DIE(aTHX_ PL_no_func, "setgrent");
4785 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4789 DIE(aTHX_ PL_no_func, "endgrent");
4799 if (!(tmps = PerlProc_getlogin()))
4801 PUSHp(tmps, strlen(tmps));
4804 DIE(aTHX_ PL_no_func, "getlogin");
4808 /* Miscellaneous. */
4813 djSP; dMARK; dORIGMARK; dTARGET;
4814 register I32 items = SP - MARK;
4815 unsigned long a[20];
4822 while (++MARK <= SP) {
4823 if (SvTAINTED(*MARK)) {
4829 TAINT_PROPER("syscall");
4832 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4833 * or where sizeof(long) != sizeof(char*). But such machines will
4834 * not likely have syscall implemented either, so who cares?
4836 while (++MARK <= SP) {
4837 if (SvNIOK(*MARK) || !i)
4838 a[i++] = SvIV(*MARK);
4839 else if (*MARK == &PL_sv_undef)
4842 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4848 DIE(aTHX_ "Too many args to syscall");
4850 DIE(aTHX_ "Too few args to syscall");
4852 retval = syscall(a[0]);
4855 retval = syscall(a[0],a[1]);
4858 retval = syscall(a[0],a[1],a[2]);
4861 retval = syscall(a[0],a[1],a[2],a[3]);
4864 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4867 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4870 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4873 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4877 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4880 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],
4891 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4895 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4896 a[10],a[11],a[12],a[13]);
4898 #endif /* atarist */
4904 DIE(aTHX_ PL_no_func, "syscall");
4908 #ifdef FCNTL_EMULATE_FLOCK
4910 /* XXX Emulate flock() with fcntl().
4911 What's really needed is a good file locking module.
4915 fcntl_emulate_flock(int fd, int operation)
4919 switch (operation & ~LOCK_NB) {
4921 flock.l_type = F_RDLCK;
4924 flock.l_type = F_WRLCK;
4927 flock.l_type = F_UNLCK;
4933 flock.l_whence = SEEK_SET;
4934 flock.l_start = flock.l_len = 0L;
4936 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4939 #endif /* FCNTL_EMULATE_FLOCK */
4941 #ifdef LOCKF_EMULATE_FLOCK
4943 /* XXX Emulate flock() with lockf(). This is just to increase
4944 portability of scripts. The calls are not completely
4945 interchangeable. What's really needed is a good file
4949 /* The lockf() constants might have been defined in <unistd.h>.
4950 Unfortunately, <unistd.h> causes troubles on some mixed
4951 (BSD/POSIX) systems, such as SunOS 4.1.3.
4953 Further, the lockf() constants aren't POSIX, so they might not be
4954 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4955 just stick in the SVID values and be done with it. Sigh.
4959 # define F_ULOCK 0 /* Unlock a previously locked region */
4962 # define F_LOCK 1 /* Lock a region for exclusive use */
4965 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4968 # define F_TEST 3 /* Test a region for other processes locks */
4972 lockf_emulate_flock(int fd, int operation)
4978 /* flock locks entire file so for lockf we need to do the same */
4980 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4981 if (pos > 0) /* is seekable and needs to be repositioned */
4982 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4983 pos = -1; /* seek failed, so don't seek back afterwards */
4986 switch (operation) {
4988 /* LOCK_SH - get a shared lock */
4990 /* LOCK_EX - get an exclusive lock */
4992 i = lockf (fd, F_LOCK, 0);
4995 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4996 case LOCK_SH|LOCK_NB:
4997 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4998 case LOCK_EX|LOCK_NB:
4999 i = lockf (fd, F_TLOCK, 0);
5001 if ((errno == EAGAIN) || (errno == EACCES))
5002 errno = EWOULDBLOCK;
5005 /* LOCK_UN - unlock (non-blocking is a no-op) */
5007 case LOCK_UN|LOCK_NB:
5008 i = lockf (fd, F_ULOCK, 0);
5011 /* Default - can't decipher operation */
5018 if (pos > 0) /* need to restore position of the handle */
5019 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5024 #endif /* LOCKF_EMULATE_FLOCK */