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.
21 /* Shadow password support for solaris - pdo@cs.umd.edu
22 * Not just Solaris: at least HP-UX, IRIX, Linux.
23 * the API is from SysV. --jhi */
27 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
34 extern "C" int syscall(unsigned long,...);
39 # include <sys/wait.h>
43 # include <sys/resource.h>
46 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
47 # include <sys/socket.h>
53 # include <net/errno.h>
60 #include <sys/select.h>
64 /* XXX Configure test needed.
65 h_errno might not be a simple 'int', especially for multi-threaded
66 applications, see "extern int errno in perl.h". Creating such
67 a test requires taking into account the differences between
68 compiling multithreaded and singlethreaded ($ccflags et al).
69 HOST_NOT_FOUND is typically defined in <netdb.h>.
71 #if defined(HOST_NOT_FOUND) && !defined(h_errno)
79 struct passwd *getpwnam (char *);
80 struct passwd *getpwuid (Uid_t);
83 struct passwd *getpwent (void);
91 struct group *getgrnam (char *);
92 struct group *getgrgid (Gid_t);
95 struct group *getgrent (void);
100 # if defined(_MSC_VER) || defined(__MINGW32__)
101 # include <sys/utime.h>
110 #include <sys/file.h>
113 /* Put this after #includes because fork and vfork prototypes may conflict. */
118 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
120 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
121 # define Sock_size_t Size_t
123 # define Sock_size_t int
127 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
128 static int dooneliner (char *cmd, char *filename);
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 emulate_eaccess (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 croak("switching effective uid is not implemented");
246 if (setreuid(euid, ruid))
249 if (setresuid(euid, ruid, (Uid_t)-1))
252 croak("entering effective uid failed");
255 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
256 croak("switching effective gid is not implemented");
259 if (setregid(egid, rgid))
262 if (setresgid(egid, rgid, (Gid_t)-1))
265 croak("entering effective gid failed");
268 res = access(path, mode);
271 if (setreuid(ruid, euid))
274 if (setresuid(ruid, euid, (Uid_t)-1))
277 croak("leaving effective uid failed");
280 if (setregid(rgid, egid))
283 if (setresgid(rgid, egid, (Gid_t)-1))
286 croak("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 emulate_eaccess (const char* path, int mode)
300 croak("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));
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 perl_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));
511 DIE(PL_no_usym, "filehandle");
516 DIE(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 perl_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 perl_call_method("CLOSE", G_SCALAR);
580 PUSHs(boolSV(do_close(gv, TRUE)));
600 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
601 DIE(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(PL_no_func, "pipe");
651 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
653 XPUSHs(SvTIED_obj((SV*)gv, mg));
656 perl_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("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 perl_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 perl_call_method(methname, G_SCALAR);
771 /* Not clear why we don't call perl_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("Can't locate object method \"%s\" via package \"%s\"",
777 methname, SvPV(*MARK,n_a));
780 PUSHSTACKi(PERLSI_MAGIC);
786 perl_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)
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 perl_require_pv("AnyDBM_File.pm");
857 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
858 DIE("No dbm on this machine");
868 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
870 PUSHs(sv_2mortal(newSViv(O_RDWR)));
873 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
876 if (!sv_isobject(TOPs)) {
881 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
884 perl_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);
898 return pp_untie(ARGS);
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("select not implemented");
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 perl_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(ARGS);
1128 doform(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("Undefined format \"%s\" called",SvPVX(tmpsv));
1181 DIE("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(newSVpvf("%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("bad top format reference");
1258 SV *tmpsv = sv_newmortal();
1259 gv_efullname3(tmpsv, fgv, Nullch);
1260 DIE("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 warner(WARN_IO, "Filehandle only opened for input");
1277 else if (ckWARN(WARN_CLOSED))
1278 warner(WARN_CLOSED, "Write on closed filehandle");
1283 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1284 if (ckWARN(WARN_IO))
1285 warner(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 perl_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 warner(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 warner(WARN_IO, "Filehandle %s opened only for input",
1354 else if (ckWARN(WARN_CLOSED))
1355 warner(WARN_CLOSED, "printf on closed filehandle %s",
1358 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1362 #ifdef USE_LOCALE_NUMERIC
1363 if (PL_op->op_private & OPpLOCALE)
1364 SET_NUMERIC_LOCAL();
1366 SET_NUMERIC_STANDARD();
1368 do_sprintf(sv, SP - MARK, MARK + 1);
1369 if (!do_print(sv, fp))
1372 if (IoFLAGS(io) & IOf_FLUSH)
1373 if (PerlIO_flush(fp) == EOF)
1384 PUSHs(&PL_sv_undef);
1405 /* Need TIEHANDLE method ? */
1407 tmps = SvPV(sv, len);
1408 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1409 IoLINES(GvIOp(gv)) = 0;
1413 PUSHs(&PL_sv_undef);
1420 djSP; dMARK; dORIGMARK; dTARGET;
1426 Sock_size_t bufsize;
1432 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1433 (mg = SvTIED_mg((SV*)gv, 'q')))
1438 *MARK = SvTIED_obj((SV*)gv, mg);
1440 perl_call_method("READ", G_SCALAR);
1453 sv_setpvn(bufsv, "", 0);
1454 buffer = SvPV_force(bufsv, blen);
1455 length = SvIVx(*++MARK);
1457 DIE("Negative length");
1460 offset = SvIVx(*++MARK);
1464 if (!io || !IoIFP(io))
1467 if (PL_op->op_type == OP_RECV) {
1468 char namebuf[MAXPATHLEN];
1469 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1470 bufsize = sizeof (struct sockaddr_in);
1472 bufsize = sizeof namebuf;
1474 buffer = SvGROW(bufsv, length+1);
1475 /* 'offset' means 'flags' here */
1476 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1477 (struct sockaddr *)namebuf, &bufsize);
1480 SvCUR_set(bufsv, length);
1481 *SvEND(bufsv) = '\0';
1482 (void)SvPOK_only(bufsv);
1484 /* This should not be marked tainted if the fp is marked clean */
1485 if (!(IoFLAGS(io) & IOf_UNTAINT))
1486 SvTAINTED_on(bufsv);
1488 sv_setpvn(TARG, namebuf, bufsize);
1493 if (PL_op->op_type == OP_RECV)
1494 DIE(PL_no_sock_func, "recv");
1498 DIE("Offset outside string");
1501 bufsize = SvCUR(bufsv);
1502 buffer = SvGROW(bufsv, length+offset+1);
1503 if (offset > bufsize) { /* Zero any newly allocated space */
1504 Zero(buffer+bufsize, offset-bufsize, char);
1506 if (PL_op->op_type == OP_SYSREAD) {
1507 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1508 if (IoTYPE(io) == 's') {
1509 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1510 buffer+offset, length, 0);
1515 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1516 buffer+offset, length);
1520 #ifdef HAS_SOCKET__bad_code_maybe
1521 if (IoTYPE(io) == 's') {
1522 char namebuf[MAXPATHLEN];
1523 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1524 bufsize = sizeof (struct sockaddr_in);
1526 bufsize = sizeof namebuf;
1528 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1529 (struct sockaddr *)namebuf, &bufsize);
1534 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1535 /* fread() returns 0 on both error and EOF */
1536 if (length == 0 && PerlIO_error(IoIFP(io)))
1541 SvCUR_set(bufsv, length+offset);
1542 *SvEND(bufsv) = '\0';
1543 (void)SvPOK_only(bufsv);
1545 /* This should not be marked tainted if the fp is marked clean */
1546 if (!(IoFLAGS(io) & IOf_UNTAINT))
1547 SvTAINTED_on(bufsv);
1560 int items = (SP - PL_stack_base) - TOPMARK;
1564 sv = sv_2mortal(newSViv(sv_len(*SP)));
1568 return pp_send(ARGS);
1573 djSP; dMARK; dORIGMARK; dTARGET;
1584 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1588 *MARK = SvTIED_obj((SV*)gv, mg);
1590 perl_call_method("WRITE", G_SCALAR);
1601 buffer = SvPV(bufsv, blen);
1602 length = SvIVx(*++MARK);
1604 DIE("Negative length");
1607 if (!io || !IoIFP(io)) {
1609 if (ckWARN(WARN_CLOSED)) {
1610 if (PL_op->op_type == OP_SYSWRITE)
1611 warner(WARN_CLOSED, "Syswrite on closed filehandle");
1613 warner(WARN_CLOSED, "Send on closed socket");
1616 else if (PL_op->op_type == OP_SYSWRITE) {
1618 offset = SvIVx(*++MARK);
1621 DIE("Offset outside string");
1623 } else if (offset >= blen && blen > 0)
1624 DIE("Offset outside string");
1627 if (length > blen - offset)
1628 length = blen - offset;
1629 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1630 if (IoTYPE(io) == 's') {
1631 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1632 buffer+offset, length, 0);
1637 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1638 buffer+offset, length);
1642 else if (SP > MARK) {
1645 sockbuf = SvPVx(*++MARK, mlen);
1646 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1647 (struct sockaddr *)sockbuf, mlen);
1650 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1654 DIE(PL_no_sock_func, "send");
1669 return pp_sysread(ARGS);
1681 gv = PL_last_in_gv = (GV*)POPs;
1683 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1685 XPUSHs(SvTIED_obj((SV*)gv, mg));
1688 perl_call_method("EOF", G_SCALAR);
1694 PUSHs(boolSV(!gv || do_eof(gv)));
1707 gv = PL_last_in_gv = (GV*)POPs;
1709 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1711 XPUSHs(SvTIED_obj((SV*)gv, mg));
1714 perl_call_method("TELL", G_SCALAR);
1720 PUSHi( do_tell(gv) );
1726 return pp_sysseek(ARGS);
1734 Off_t offset = POPl;
1737 gv = PL_last_in_gv = (GV*)POPs;
1739 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1741 XPUSHs(SvTIED_obj((SV*)gv, mg));
1742 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1743 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1746 perl_call_method("SEEK", G_SCALAR);
1752 if (PL_op->op_type == OP_SEEK)
1753 PUSHs(boolSV(do_seek(gv, offset, whence)));
1755 Off_t n = do_sysseek(gv, offset, whence);
1756 PUSHs((n < 0) ? &PL_sv_undef
1757 : sv_2mortal(n ? newSViv((IV)n)
1758 : newSVpvn(zero_but_true, ZBTLEN)));
1766 Off_t len = (Off_t)POPn;
1772 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1773 if (PL_op->op_flags & OPf_SPECIAL) {
1774 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1776 TAINT_PROPER("truncate");
1777 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1779 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1781 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1790 if (SvTYPE(sv) == SVt_PVGV) {
1791 tmpgv = (GV*)sv; /* *main::FRED for example */
1794 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1795 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1799 name = SvPV(sv, n_a);
1800 TAINT_PROPER("truncate");
1802 if (truncate(name, len) < 0)
1807 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1810 if (my_chsize(tmpfd, len) < 0)
1812 PerlLIO_close(tmpfd);
1821 SETERRNO(EBADF,RMS$_IFI);
1824 DIE("truncate not implemented");
1830 return pp_ioctl(ARGS);
1837 unsigned int func = U_I(POPn);
1838 int optype = PL_op->op_type;
1844 if (!io || !argsv || !IoIFP(io)) {
1845 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1849 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1852 s = SvPV_force(argsv, len);
1853 need = IOCPARM_LEN(func);
1855 s = Sv_Grow(argsv, need + 1);
1856 SvCUR_set(argsv, need);
1859 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1862 retval = SvIV(argsv);
1863 s = (char*)retval; /* ouch */
1866 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1868 if (optype == OP_IOCTL)
1870 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1872 DIE("ioctl is not implemented");
1876 #if defined(OS2) && defined(__EMX__)
1877 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1879 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1882 DIE("fcntl is not implemented");
1886 if (s[SvCUR(argsv)] != 17)
1887 DIE("Possible memory corruption: %s overflowed 3rd argument",
1888 PL_op_name[optype]);
1889 s[SvCUR(argsv)] = 0; /* put our null back */
1890 SvSETMAGIC(argsv); /* Assume it has changed */
1899 PUSHp(zero_but_true, ZBTLEN);
1919 fp = IoIFP(GvIOp(gv));
1923 (void)PerlIO_flush(fp);
1924 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1931 DIE(PL_no_func, "flock()");
1943 int protocol = POPi;
1951 SETERRNO(EBADF,LIB$_INVARG);
1957 do_close(gv, FALSE);
1959 TAINT_PROPER("socket");
1960 fd = PerlSock_socket(domain, type, protocol);
1963 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1964 IoOFP(io) = PerlIO_fdopen(fd, "w");
1966 if (!IoIFP(io) || !IoOFP(io)) {
1967 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1968 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1969 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1975 DIE(PL_no_sock_func, "socket");
1982 #ifdef HAS_SOCKETPAIR
1987 int protocol = POPi;
2000 do_close(gv1, FALSE);
2002 do_close(gv2, FALSE);
2004 TAINT_PROPER("socketpair");
2005 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2007 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2008 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2010 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2011 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2013 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2014 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2015 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2016 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2017 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2018 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2019 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2025 DIE(PL_no_sock_func, "socketpair");
2033 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2034 extern GETPRIVMODE();
2035 extern GETUSERMODE();
2040 register IO *io = GvIOn(gv);
2044 int mpeprivmode = 0;
2047 if (!io || !IoIFP(io))
2050 addr = SvPV(addrsv, len);
2051 TAINT_PROPER("bind");
2052 #ifdef MPE /* Deal with MPE bind() peculiarities */
2053 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2054 /* The address *MUST* stupidly be zero. */
2055 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2056 /* PRIV mode is required to bind() to ports < 1024. */
2057 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2058 ((struct sockaddr_in *)addr)->sin_port > 0) {
2059 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2064 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2065 (struct sockaddr *)addr, len) >= 0)
2068 #ifdef MPE /* Switch back to USER mode */
2079 if (ckWARN(WARN_CLOSED))
2080 warner(WARN_CLOSED, "bind() on closed fd");
2081 SETERRNO(EBADF,SS$_IVCHAN);
2084 DIE(PL_no_sock_func, "bind");
2095 register IO *io = GvIOn(gv);
2098 if (!io || !IoIFP(io))
2101 addr = SvPV(addrsv, len);
2102 TAINT_PROPER("connect");
2103 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2109 if (ckWARN(WARN_CLOSED))
2110 warner(WARN_CLOSED, "connect() on closed fd");
2111 SETERRNO(EBADF,SS$_IVCHAN);
2114 DIE(PL_no_sock_func, "connect");
2124 register IO *io = GvIOn(gv);
2126 if (!io || !IoIFP(io))
2129 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2135 if (ckWARN(WARN_CLOSED))
2136 warner(WARN_CLOSED, "listen() on closed fd");
2137 SETERRNO(EBADF,SS$_IVCHAN);
2140 DIE(PL_no_sock_func, "listen");
2152 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2153 Sock_size_t len = sizeof saddr;
2165 if (!gstio || !IoIFP(gstio))
2170 do_close(ngv, FALSE);
2172 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2175 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2176 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2177 IoTYPE(nstio) = 's';
2178 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2179 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2180 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2181 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2185 PUSHp((char *)&saddr, len);
2189 if (ckWARN(WARN_CLOSED))
2190 warner(WARN_CLOSED, "accept() on closed fd");
2191 SETERRNO(EBADF,SS$_IVCHAN);
2197 DIE(PL_no_sock_func, "accept");
2207 register IO *io = GvIOn(gv);
2209 if (!io || !IoIFP(io))
2212 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2216 if (ckWARN(WARN_CLOSED))
2217 warner(WARN_CLOSED, "shutdown() on closed fd");
2218 SETERRNO(EBADF,SS$_IVCHAN);
2221 DIE(PL_no_sock_func, "shutdown");
2228 return pp_ssockopt(ARGS);
2230 DIE(PL_no_sock_func, "getsockopt");
2238 int optype = PL_op->op_type;
2241 unsigned int optname;
2247 if (optype == OP_GSOCKOPT)
2248 sv = sv_2mortal(NEWSV(22, 257));
2251 optname = (unsigned int) POPi;
2252 lvl = (unsigned int) POPi;
2256 if (!io || !IoIFP(io))
2259 fd = PerlIO_fileno(IoIFP(io));
2263 (void)SvPOK_only(sv);
2267 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2282 aint = (int)SvIV(sv);
2286 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2295 if (ckWARN(WARN_CLOSED))
2296 warner(WARN_CLOSED, "[gs]etsockopt() on closed fd");
2297 SETERRNO(EBADF,SS$_IVCHAN);
2302 DIE(PL_no_sock_func, "setsockopt");
2309 return pp_getpeername(ARGS);
2311 DIE(PL_no_sock_func, "getsockname");
2319 int optype = PL_op->op_type;
2323 register IO *io = GvIOn(gv);
2326 if (!io || !IoIFP(io))
2329 sv = sv_2mortal(NEWSV(22, 257));
2330 (void)SvPOK_only(sv);
2334 fd = PerlIO_fileno(IoIFP(io));
2336 case OP_GETSOCKNAME:
2337 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2340 case OP_GETPEERNAME:
2341 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2343 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2345 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2346 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2347 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2348 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2349 sizeof(u_short) + sizeof(struct in_addr))) {
2356 #ifdef BOGUS_GETNAME_RETURN
2357 /* Interactive Unix, getpeername() and getsockname()
2358 does not return valid namelen */
2359 if (len == BOGUS_GETNAME_RETURN)
2360 len = sizeof(struct sockaddr);
2368 if (ckWARN(WARN_CLOSED))
2369 warner(WARN_CLOSED, "get{sock, peer}name() on closed fd");
2370 SETERRNO(EBADF,SS$_IVCHAN);
2375 DIE(PL_no_sock_func, "getpeername");
2383 return pp_stat(ARGS);
2394 if (PL_op->op_flags & OPf_REF) {
2395 tmpgv = cGVOP->op_gv;
2397 if (tmpgv != PL_defgv) {
2398 PL_laststype = OP_STAT;
2400 sv_setpv(PL_statname, "");
2401 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2402 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2404 if (PL_laststatval < 0)
2409 if (SvTYPE(sv) == SVt_PVGV) {
2413 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2414 tmpgv = (GV*)SvRV(sv);
2417 sv_setpv(PL_statname, SvPV(sv,n_a));
2420 PL_laststype = PL_op->op_type;
2421 if (PL_op->op_type == OP_LSTAT)
2422 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2425 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2426 if (PL_laststatval < 0) {
2427 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2428 warner(WARN_NEWLINE, PL_warn_nl, "stat");
2434 if (gimme != G_ARRAY) {
2435 if (gimme != G_VOID)
2436 XPUSHs(boolSV(max));
2442 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2443 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2444 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2445 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2446 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2447 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2448 #ifdef USE_STAT_RDEV
2449 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2451 PUSHs(sv_2mortal(newSVpvn("", 0)));
2453 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2455 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2456 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2457 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2459 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2460 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2461 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2463 #ifdef USE_STAT_BLOCKS
2464 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2465 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2467 PUSHs(sv_2mortal(newSVpvn("", 0)));
2468 PUSHs(sv_2mortal(newSVpvn("", 0)));
2478 #if defined(HAS_ACCESS) && defined(R_OK)
2480 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2481 result = access(TOPpx, R_OK);
2489 result = my_stat(ARGS);
2491 result = my_stat(ARGS);
2496 if (cando(S_IRUSR, 0, &PL_statcache))
2505 #if defined(HAS_ACCESS) && defined(W_OK)
2507 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2508 result = access(TOPpx, W_OK);
2516 result = my_stat(ARGS);
2518 result = my_stat(ARGS);
2523 if (cando(S_IWUSR, 0, &PL_statcache))
2532 #if defined(HAS_ACCESS) && defined(X_OK)
2534 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2535 result = access(TOPpx, X_OK);
2543 result = my_stat(ARGS);
2545 result = my_stat(ARGS);
2550 if (cando(S_IXUSR, 0, &PL_statcache))
2559 #ifdef PERL_EFF_ACCESS_R_OK
2561 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2562 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2570 result = my_stat(ARGS);
2572 result = my_stat(ARGS);
2577 if (cando(S_IRUSR, 1, &PL_statcache))
2586 #ifdef PERL_EFF_ACCESS_W_OK
2588 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2589 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2597 result = my_stat(ARGS);
2599 result = my_stat(ARGS);
2604 if (cando(S_IWUSR, 1, &PL_statcache))
2613 #ifdef PERL_EFF_ACCESS_X_OK
2615 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2616 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2624 result = my_stat(ARGS);
2626 result = my_stat(ARGS);
2631 if (cando(S_IXUSR, 1, &PL_statcache))
2638 I32 result = my_stat(ARGS);
2647 return pp_ftrowned(ARGS);
2652 I32 result = my_stat(ARGS);
2656 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2663 I32 result = my_stat(ARGS);
2667 if (!PL_statcache.st_size)
2674 I32 result = my_stat(ARGS);
2678 PUSHi(PL_statcache.st_size);
2684 I32 result = my_stat(ARGS);
2688 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2694 I32 result = my_stat(ARGS);
2698 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2704 I32 result = my_stat(ARGS);
2708 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2714 I32 result = my_stat(ARGS);
2718 if (S_ISSOCK(PL_statcache.st_mode))
2725 I32 result = my_stat(ARGS);
2729 if (S_ISCHR(PL_statcache.st_mode))
2736 I32 result = my_stat(ARGS);
2740 if (S_ISBLK(PL_statcache.st_mode))
2747 I32 result = my_stat(ARGS);
2751 if (S_ISREG(PL_statcache.st_mode))
2758 I32 result = my_stat(ARGS);
2762 if (S_ISDIR(PL_statcache.st_mode))
2769 I32 result = my_stat(ARGS);
2773 if (S_ISFIFO(PL_statcache.st_mode))
2780 I32 result = my_lstat(ARGS);
2784 if (S_ISLNK(PL_statcache.st_mode))
2793 I32 result = my_stat(ARGS);
2797 if (PL_statcache.st_mode & S_ISUID)
2807 I32 result = my_stat(ARGS);
2811 if (PL_statcache.st_mode & S_ISGID)
2821 I32 result = my_stat(ARGS);
2825 if (PL_statcache.st_mode & S_ISVTX)
2836 char *tmps = Nullch;
2839 if (PL_op->op_flags & OPf_REF)
2841 else if (isGV(TOPs))
2843 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2844 gv = (GV*)SvRV(POPs);
2846 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2848 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2849 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2850 else if (tmps && isDIGIT(*tmps))
2854 if (PerlLIO_isatty(fd))
2859 #if defined(atarist) /* this will work with atariST. Configure will
2860 make guesses for other systems. */
2861 # define FILE_base(f) ((f)->_base)
2862 # define FILE_ptr(f) ((f)->_ptr)
2863 # define FILE_cnt(f) ((f)->_cnt)
2864 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2874 register STDCHAR *s;
2880 if (PL_op->op_flags & OPf_REF)
2882 else if (isGV(TOPs))
2884 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2885 gv = (GV*)SvRV(POPs);
2891 if (gv == PL_defgv) {
2893 io = GvIO(PL_statgv);
2896 goto really_filename;
2901 PL_laststatval = -1;
2902 sv_setpv(PL_statname, "");
2903 io = GvIO(PL_statgv);
2905 if (io && IoIFP(io)) {
2906 if (! PerlIO_has_base(IoIFP(io)))
2907 DIE("-T and -B not implemented on filehandles");
2908 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2909 if (PL_laststatval < 0)
2911 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2912 if (PL_op->op_type == OP_FTTEXT)
2916 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2917 i = PerlIO_getc(IoIFP(io));
2919 (void)PerlIO_ungetc(IoIFP(io),i);
2921 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2923 len = PerlIO_get_bufsiz(IoIFP(io));
2924 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2925 /* sfio can have large buffers - limit to 512 */
2930 if (ckWARN(WARN_UNOPENED))
2931 warner(WARN_UNOPENED, "Test on unopened file <%s>",
2932 GvENAME(cGVOP->op_gv));
2933 SETERRNO(EBADF,RMS$_IFI);
2941 PL_laststatval = -1;
2942 sv_setpv(PL_statname, SvPV(sv, n_a));
2944 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2946 i = PerlLIO_open(SvPV(sv, n_a), 0);
2949 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2950 warner(WARN_NEWLINE, PL_warn_nl, "open");
2953 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2954 if (PL_laststatval < 0)
2956 len = PerlLIO_read(i, tbuf, 512);
2957 (void)PerlLIO_close(i);
2959 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2960 RETPUSHNO; /* special case NFS directories */
2961 RETPUSHYES; /* null file is anything */
2966 /* now scan s to look for textiness */
2967 /* XXX ASCII dependent code */
2969 for (i = 0; i < len; i++, s++) {
2970 if (!*s) { /* null never allowed in text */
2975 else if (!(isPRINT(*s) || isSPACE(*s)))
2981 *s != '\n' && *s != '\r' && *s != '\b' &&
2982 *s != '\t' && *s != '\f' && *s != 27)
2987 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2995 return pp_fttext(ARGS);
3011 if (!tmps || !*tmps) {
3012 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3014 tmps = SvPV(*svp, n_a);
3016 if (!tmps || !*tmps) {
3017 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3019 tmps = SvPV(*svp, n_a);
3022 if (!tmps || !*tmps) {
3023 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3025 tmps = SvPV(*svp, n_a);
3028 TAINT_PROPER("chdir");
3029 PUSHi( PerlDir_chdir(tmps) >= 0 );
3031 /* Clear the DEFAULT element of ENV so we'll get the new value
3033 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3040 djSP; dMARK; dTARGET;
3043 value = (I32)apply(PL_op->op_type, MARK, SP);
3048 DIE(PL_no_func, "Unsupported function chown");
3059 TAINT_PROPER("chroot");
3060 PUSHi( chroot(tmps) >= 0 );
3063 DIE(PL_no_func, "chroot");
3069 djSP; dMARK; dTARGET;
3071 value = (I32)apply(PL_op->op_type, MARK, SP);
3079 djSP; dMARK; dTARGET;
3081 value = (I32)apply(PL_op->op_type, MARK, SP);
3089 djSP; dMARK; dTARGET;
3091 value = (I32)apply(PL_op->op_type, MARK, SP);
3103 char *tmps2 = POPpx;
3104 char *tmps = SvPV(TOPs, n_a);
3105 TAINT_PROPER("rename");
3107 anum = PerlLIO_rename(tmps, tmps2);
3109 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3110 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3113 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3114 (void)UNLINK(tmps2);
3115 if (!(anum = link(tmps, tmps2)))
3116 anum = UNLINK(tmps);
3129 char *tmps2 = POPpx;
3130 char *tmps = SvPV(TOPs, n_a);
3131 TAINT_PROPER("link");
3132 SETi( link(tmps, tmps2) >= 0 );
3134 DIE(PL_no_func, "Unsupported function link");
3144 char *tmps2 = POPpx;
3145 char *tmps = SvPV(TOPs, n_a);
3146 TAINT_PROPER("symlink");
3147 SETi( symlink(tmps, tmps2) >= 0 );
3150 DIE(PL_no_func, "symlink");
3159 char buf[MAXPATHLEN];
3163 #ifndef INCOMPLETE_TAINTS
3167 len = readlink(tmps, buf, sizeof buf);
3175 RETSETUNDEF; /* just pretend it's a normal file */
3179 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3181 dooneliner(char *cmd, char *filename)
3183 char *save_filename = filename;
3189 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3190 strcpy(cmdline, cmd);
3191 strcat(cmdline, " ");
3192 for (s = cmdline + strlen(cmdline); *filename; ) {
3197 myfp = PerlProc_popen(cmdline, "r");
3201 SV *tmpsv = sv_newmortal();
3202 /* Need to save/restore 'PL_rs' ?? */
3203 s = sv_gets(tmpsv, myfp, 0);
3204 (void)PerlProc_pclose(myfp);
3208 #ifdef HAS_SYS_ERRLIST
3213 /* you don't see this */
3215 #ifdef HAS_SYS_ERRLIST
3223 if (instr(s, errmsg)) {
3230 #define EACCES EPERM
3232 if (instr(s, "cannot make"))
3233 SETERRNO(EEXIST,RMS$_FEX);
3234 else if (instr(s, "existing file"))
3235 SETERRNO(EEXIST,RMS$_FEX);
3236 else if (instr(s, "ile exists"))
3237 SETERRNO(EEXIST,RMS$_FEX);
3238 else if (instr(s, "non-exist"))
3239 SETERRNO(ENOENT,RMS$_FNF);
3240 else if (instr(s, "does not exist"))
3241 SETERRNO(ENOENT,RMS$_FNF);
3242 else if (instr(s, "not empty"))
3243 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3244 else if (instr(s, "cannot access"))
3245 SETERRNO(EACCES,RMS$_PRV);
3247 SETERRNO(EPERM,RMS$_PRV);
3250 else { /* some mkdirs return no failure indication */
3251 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3252 if (PL_op->op_type == OP_RMDIR)
3257 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3274 char *tmps = SvPV(TOPs, n_a);
3276 TAINT_PROPER("mkdir");
3278 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3280 SETi( dooneliner("mkdir", tmps) );
3281 oldumask = PerlLIO_umask(0);
3282 PerlLIO_umask(oldumask);
3283 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3295 TAINT_PROPER("rmdir");
3297 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3299 XPUSHi( dooneliner("rmdir", tmps) );
3304 /* Directory calls. */
3309 #if defined(Direntry_t) && defined(HAS_READDIR)
3311 char *dirname = POPpx;
3313 register IO *io = GvIOn(gv);
3319 PerlDir_close(IoDIRP(io));
3320 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3326 SETERRNO(EBADF,RMS$_DIR);
3329 DIE(PL_no_dir_func, "opendir");
3336 #if defined(Direntry_t) && defined(HAS_READDIR)
3338 Direntry_t *readdir (DIR *);
3340 register Direntry_t *dp;
3342 register IO *io = GvIOn(gv);
3345 if (!io || !IoDIRP(io))
3348 if (GIMME == G_ARRAY) {
3350 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3352 sv = newSVpvn(dp->d_name, dp->d_namlen);
3354 sv = newSVpv(dp->d_name, 0);
3356 #ifndef INCOMPLETE_TAINTS
3359 XPUSHs(sv_2mortal(sv));
3363 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3366 sv = newSVpvn(dp->d_name, dp->d_namlen);
3368 sv = newSVpv(dp->d_name, 0);
3370 #ifndef INCOMPLETE_TAINTS
3373 XPUSHs(sv_2mortal(sv));
3379 SETERRNO(EBADF,RMS$_ISI);
3380 if (GIMME == G_ARRAY)
3385 DIE(PL_no_dir_func, "readdir");
3392 #if defined(HAS_TELLDIR) || defined(telldir)
3393 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3394 /* XXX netbsd still seemed to.
3395 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3396 --JHI 1999-Feb-02 */
3397 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3398 long telldir (DIR *);
3401 register IO *io = GvIOn(gv);
3403 if (!io || !IoDIRP(io))
3406 PUSHi( PerlDir_tell(IoDIRP(io)) );
3410 SETERRNO(EBADF,RMS$_ISI);
3413 DIE(PL_no_dir_func, "telldir");
3420 #if defined(HAS_SEEKDIR) || defined(seekdir)
3423 register IO *io = GvIOn(gv);
3425 if (!io || !IoDIRP(io))
3428 (void)PerlDir_seek(IoDIRP(io), along);
3433 SETERRNO(EBADF,RMS$_ISI);
3436 DIE(PL_no_dir_func, "seekdir");
3443 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3445 register IO *io = GvIOn(gv);
3447 if (!io || !IoDIRP(io))
3450 (void)PerlDir_rewind(IoDIRP(io));
3454 SETERRNO(EBADF,RMS$_ISI);
3457 DIE(PL_no_dir_func, "rewinddir");
3464 #if defined(Direntry_t) && defined(HAS_READDIR)
3466 register IO *io = GvIOn(gv);
3468 if (!io || !IoDIRP(io))
3471 #ifdef VOID_CLOSEDIR
3472 PerlDir_close(IoDIRP(io));
3474 if (PerlDir_close(IoDIRP(io)) < 0) {
3475 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3484 SETERRNO(EBADF,RMS$_IFI);
3487 DIE(PL_no_dir_func, "closedir");
3491 /* Process control. */
3501 PERL_FLUSHALL_FOR_CHILD;
3507 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3508 sv_setiv(GvSV(tmpgv), (IV)getpid());
3509 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3514 DIE(PL_no_func, "Unsupported function fork");
3520 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3525 childpid = wait4pid(-1, &argflags, 0);
3526 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3530 DIE(PL_no_func, "Unsupported function wait");
3536 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3544 childpid = wait4pid(childpid, &argflags, optype);
3545 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3549 DIE(PL_no_func, "Unsupported function waitpid");
3555 djSP; dMARK; dORIGMARK; dTARGET;
3560 Sigsave_t ihand,qhand; /* place to save signals during system() */
3563 if (SP - MARK == 1) {
3565 char *junk = SvPV(TOPs, n_a);
3567 TAINT_PROPER("system");
3570 PERL_FLUSHALL_FOR_CHILD;
3571 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3572 while ((childpid = vfork()) == -1) {
3573 if (errno != EAGAIN) {
3582 rsignal_save(SIGINT, SIG_IGN, &ihand);
3583 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3585 result = wait4pid(childpid, &status, 0);
3586 } while (result == -1 && errno == EINTR);
3587 (void)rsignal_restore(SIGINT, &ihand);
3588 (void)rsignal_restore(SIGQUIT, &qhand);
3589 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3590 do_execfree(); /* free any memory child malloced on vfork */
3592 PUSHi(STATUS_CURRENT);
3595 if (PL_op->op_flags & OPf_STACKED) {
3596 SV *really = *++MARK;
3597 value = (I32)do_aexec(really, MARK, SP);
3599 else if (SP - MARK != 1)
3600 value = (I32)do_aexec(Nullsv, MARK, SP);
3602 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3605 #else /* ! FORK or VMS or OS/2 */
3606 if (PL_op->op_flags & OPf_STACKED) {
3607 SV *really = *++MARK;
3608 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3610 else if (SP - MARK != 1)
3611 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3613 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3615 STATUS_NATIVE_SET(value);
3618 PUSHi(STATUS_CURRENT);
3619 #endif /* !FORK or VMS */
3625 djSP; dMARK; dORIGMARK; dTARGET;
3629 PERL_FLUSHALL_FOR_CHILD;
3630 if (PL_op->op_flags & OPf_STACKED) {
3631 SV *really = *++MARK;
3632 value = (I32)do_aexec(really, MARK, SP);
3634 else if (SP - MARK != 1)
3636 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3640 (void ) do_aspawn(Nullsv, MARK, SP);
3644 value = (I32)do_aexec(Nullsv, MARK, SP);
3649 char *junk = SvPV(*SP, n_a);
3651 TAINT_PROPER("exec");
3654 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3657 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3660 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3671 djSP; dMARK; dTARGET;
3674 value = (I32)apply(PL_op->op_type, MARK, SP);
3679 DIE(PL_no_func, "Unsupported function kill");
3687 XPUSHi( getppid() );
3690 DIE(PL_no_func, "getppid");
3706 value = (I32)BSD_GETPGRP(pid);
3708 if (pid != 0 && pid != getpid())
3709 DIE("POSIX getpgrp can't take an argument");
3710 value = (I32)getpgrp();
3715 DIE(PL_no_func, "getpgrp()");
3734 TAINT_PROPER("setpgrp");
3736 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3738 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3739 DIE("POSIX setpgrp can't take an argument");
3740 SETi( setpgrp() >= 0 );
3741 #endif /* USE_BSDPGRP */
3744 DIE(PL_no_func, "setpgrp()");
3753 #ifdef HAS_GETPRIORITY
3756 SETi( getpriority(which, who) );
3759 DIE(PL_no_func, "getpriority()");
3769 #ifdef HAS_SETPRIORITY
3773 TAINT_PROPER("setpriority");
3774 SETi( setpriority(which, who, niceval) >= 0 );
3777 DIE(PL_no_func, "setpriority()");
3787 XPUSHn( time(Null(Time_t*)) );
3789 XPUSHi( time(Null(Time_t*)) );
3794 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3795 to HZ. Probably. For now, assume that if the system
3796 defines HZ, it does so correctly. (Will this break
3798 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3799 it's supported. --AD 9/96.
3815 DIE("times not implemented");
3820 (void)PerlProc_times(&PL_timesbuf);
3822 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3823 /* struct tms, though same data */
3827 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_utime)/HZ)));
3828 if (GIMME == G_ARRAY) {
3829 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_stime)/HZ)));
3830 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cutime)/HZ)));
3831 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cstime)/HZ)));
3834 #endif /* HAS_TIMES */
3839 return pp_gmtime(ARGS);
3847 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3848 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3849 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3855 when = (Time_t)SvNVx(POPs);
3857 when = (Time_t)SvIVx(POPs);
3860 if (PL_op->op_type == OP_LOCALTIME)
3861 tmbuf = localtime(&when);
3863 tmbuf = gmtime(&when);
3867 if (GIMME != G_ARRAY) {
3872 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3873 dayname[tmbuf->tm_wday],
3874 monname[tmbuf->tm_mon],
3879 tmbuf->tm_year + 1900);
3880 PUSHs(sv_2mortal(tsv));
3883 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3884 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3885 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3886 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3887 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3888 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3889 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3890 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3891 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3902 anum = alarm((unsigned int)anum);
3909 DIE(PL_no_func, "Unsupported function alarm");
3920 (void)time(&lasttime);
3925 PerlProc_sleep((unsigned int)duration);
3928 XPUSHi(when - lasttime);
3932 /* Shared memory. */
3936 return pp_semget(ARGS);
3941 return pp_semctl(ARGS);
3946 return pp_shmwrite(ARGS);
3951 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3952 djSP; dMARK; dTARGET;
3953 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3958 return pp_semget(ARGS);
3962 /* Message passing. */
3966 return pp_semget(ARGS);
3971 return pp_semctl(ARGS);
3976 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3977 djSP; dMARK; dTARGET;
3978 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3983 return pp_semget(ARGS);
3989 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3990 djSP; dMARK; dTARGET;
3991 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3996 return pp_semget(ARGS);
4004 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4005 djSP; dMARK; dTARGET;
4006 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4013 DIE("System V IPC is not implemented on this machine");
4019 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4020 djSP; dMARK; dTARGET;
4021 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4029 PUSHp(zero_but_true, ZBTLEN);
4033 return pp_semget(ARGS);
4039 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4040 djSP; dMARK; dTARGET;
4041 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4046 return pp_semget(ARGS);
4050 /* Get system info. */
4054 #ifdef HAS_GETHOSTBYNAME
4055 return pp_ghostent(ARGS);
4057 DIE(PL_no_sock_func, "gethostbyname");
4063 #ifdef HAS_GETHOSTBYADDR
4064 return pp_ghostent(ARGS);
4066 DIE(PL_no_sock_func, "gethostbyaddr");
4073 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4074 I32 which = PL_op->op_type;
4075 register char **elem;
4077 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4078 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4079 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4080 struct hostent *PerlSock_gethostent(void);
4082 struct hostent *hent;
4087 if (which == OP_GHBYNAME)
4088 #ifdef HAS_GETHOSTBYNAME
4089 hent = PerlSock_gethostbyname(POPpx);
4091 DIE(PL_no_sock_func, "gethostbyname");
4093 else if (which == OP_GHBYADDR) {
4094 #ifdef HAS_GETHOSTBYADDR
4095 int addrtype = POPi;
4098 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4100 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4102 DIE(PL_no_sock_func, "gethostbyaddr");
4106 #ifdef HAS_GETHOSTENT
4107 hent = PerlSock_gethostent();
4109 DIE(PL_no_sock_func, "gethostent");
4112 #ifdef HOST_NOT_FOUND
4114 STATUS_NATIVE_SET(h_errno);
4117 if (GIMME != G_ARRAY) {
4118 PUSHs(sv = sv_newmortal());
4120 if (which == OP_GHBYNAME) {
4122 sv_setpvn(sv, hent->h_addr, hent->h_length);
4125 sv_setpv(sv, (char*)hent->h_name);
4131 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4132 sv_setpv(sv, (char*)hent->h_name);
4133 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4134 for (elem = hent->h_aliases; elem && *elem; elem++) {
4135 sv_catpv(sv, *elem);
4137 sv_catpvn(sv, " ", 1);
4139 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4140 sv_setiv(sv, (IV)hent->h_addrtype);
4141 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4142 len = hent->h_length;
4143 sv_setiv(sv, (IV)len);
4145 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4146 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4147 sv_setpvn(sv, *elem, len);
4150 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4152 sv_setpvn(sv, hent->h_addr, len);
4157 DIE(PL_no_sock_func, "gethostent");
4163 #ifdef HAS_GETNETBYNAME
4164 return pp_gnetent(ARGS);
4166 DIE(PL_no_sock_func, "getnetbyname");
4172 #ifdef HAS_GETNETBYADDR
4173 return pp_gnetent(ARGS);
4175 DIE(PL_no_sock_func, "getnetbyaddr");
4182 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4183 I32 which = PL_op->op_type;
4184 register char **elem;
4186 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4187 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4188 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4189 struct netent *PerlSock_getnetent(void);
4191 struct netent *nent;
4194 if (which == OP_GNBYNAME)
4195 #ifdef HAS_GETNETBYNAME
4196 nent = PerlSock_getnetbyname(POPpx);
4198 DIE(PL_no_sock_func, "getnetbyname");
4200 else if (which == OP_GNBYADDR) {
4201 #ifdef HAS_GETNETBYADDR
4202 int addrtype = POPi;
4203 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4204 nent = PerlSock_getnetbyaddr(addr, addrtype);
4206 DIE(PL_no_sock_func, "getnetbyaddr");
4210 #ifdef HAS_GETNETENT
4211 nent = PerlSock_getnetent();
4213 DIE(PL_no_sock_func, "getnetent");
4217 if (GIMME != G_ARRAY) {
4218 PUSHs(sv = sv_newmortal());
4220 if (which == OP_GNBYNAME)
4221 sv_setiv(sv, (IV)nent->n_net);
4223 sv_setpv(sv, nent->n_name);
4229 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4230 sv_setpv(sv, nent->n_name);
4231 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4232 for (elem = nent->n_aliases; elem && *elem; elem++) {
4233 sv_catpv(sv, *elem);
4235 sv_catpvn(sv, " ", 1);
4237 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4238 sv_setiv(sv, (IV)nent->n_addrtype);
4239 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4240 sv_setiv(sv, (IV)nent->n_net);
4245 DIE(PL_no_sock_func, "getnetent");
4251 #ifdef HAS_GETPROTOBYNAME
4252 return pp_gprotoent(ARGS);
4254 DIE(PL_no_sock_func, "getprotobyname");
4260 #ifdef HAS_GETPROTOBYNUMBER
4261 return pp_gprotoent(ARGS);
4263 DIE(PL_no_sock_func, "getprotobynumber");
4270 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4271 I32 which = PL_op->op_type;
4272 register char **elem;
4274 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4275 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4276 struct protoent *PerlSock_getprotobynumber(int);
4277 struct protoent *PerlSock_getprotoent(void);
4279 struct protoent *pent;
4282 if (which == OP_GPBYNAME)
4283 #ifdef HAS_GETPROTOBYNAME
4284 pent = PerlSock_getprotobyname(POPpx);
4286 DIE(PL_no_sock_func, "getprotobyname");
4288 else if (which == OP_GPBYNUMBER)
4289 #ifdef HAS_GETPROTOBYNUMBER
4290 pent = PerlSock_getprotobynumber(POPi);
4292 DIE(PL_no_sock_func, "getprotobynumber");
4295 #ifdef HAS_GETPROTOENT
4296 pent = PerlSock_getprotoent();
4298 DIE(PL_no_sock_func, "getprotoent");
4302 if (GIMME != G_ARRAY) {
4303 PUSHs(sv = sv_newmortal());
4305 if (which == OP_GPBYNAME)
4306 sv_setiv(sv, (IV)pent->p_proto);
4308 sv_setpv(sv, pent->p_name);
4314 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4315 sv_setpv(sv, pent->p_name);
4316 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4317 for (elem = pent->p_aliases; elem && *elem; elem++) {
4318 sv_catpv(sv, *elem);
4320 sv_catpvn(sv, " ", 1);
4322 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4323 sv_setiv(sv, (IV)pent->p_proto);
4328 DIE(PL_no_sock_func, "getprotoent");
4334 #ifdef HAS_GETSERVBYNAME
4335 return pp_gservent(ARGS);
4337 DIE(PL_no_sock_func, "getservbyname");
4343 #ifdef HAS_GETSERVBYPORT
4344 return pp_gservent(ARGS);
4346 DIE(PL_no_sock_func, "getservbyport");
4353 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4354 I32 which = PL_op->op_type;
4355 register char **elem;
4357 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4358 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4359 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4360 struct servent *PerlSock_getservent(void);
4362 struct servent *sent;
4365 if (which == OP_GSBYNAME) {
4366 #ifdef HAS_GETSERVBYNAME
4367 char *proto = POPpx;
4370 if (proto && !*proto)
4373 sent = PerlSock_getservbyname(name, proto);
4375 DIE(PL_no_sock_func, "getservbyname");
4378 else if (which == OP_GSBYPORT) {
4379 #ifdef HAS_GETSERVBYPORT
4380 char *proto = POPpx;
4381 unsigned short port = POPu;
4384 port = PerlSock_htons(port);
4386 sent = PerlSock_getservbyport(port, proto);
4388 DIE(PL_no_sock_func, "getservbyport");
4392 #ifdef HAS_GETSERVENT
4393 sent = PerlSock_getservent();
4395 DIE(PL_no_sock_func, "getservent");
4399 if (GIMME != G_ARRAY) {
4400 PUSHs(sv = sv_newmortal());
4402 if (which == OP_GSBYNAME) {
4404 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4406 sv_setiv(sv, (IV)(sent->s_port));
4410 sv_setpv(sv, sent->s_name);
4416 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4417 sv_setpv(sv, sent->s_name);
4418 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4419 for (elem = sent->s_aliases; elem && *elem; elem++) {
4420 sv_catpv(sv, *elem);
4422 sv_catpvn(sv, " ", 1);
4424 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4426 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4428 sv_setiv(sv, (IV)(sent->s_port));
4430 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4431 sv_setpv(sv, sent->s_proto);
4436 DIE(PL_no_sock_func, "getservent");
4443 #ifdef HAS_SETHOSTENT
4444 PerlSock_sethostent(TOPi);
4447 DIE(PL_no_sock_func, "sethostent");
4454 #ifdef HAS_SETNETENT
4455 PerlSock_setnetent(TOPi);
4458 DIE(PL_no_sock_func, "setnetent");
4465 #ifdef HAS_SETPROTOENT
4466 PerlSock_setprotoent(TOPi);
4469 DIE(PL_no_sock_func, "setprotoent");
4476 #ifdef HAS_SETSERVENT
4477 PerlSock_setservent(TOPi);
4480 DIE(PL_no_sock_func, "setservent");
4487 #ifdef HAS_ENDHOSTENT
4488 PerlSock_endhostent();
4492 DIE(PL_no_sock_func, "endhostent");
4499 #ifdef HAS_ENDNETENT
4500 PerlSock_endnetent();
4504 DIE(PL_no_sock_func, "endnetent");
4511 #ifdef HAS_ENDPROTOENT
4512 PerlSock_endprotoent();
4516 DIE(PL_no_sock_func, "endprotoent");
4523 #ifdef HAS_ENDSERVENT
4524 PerlSock_endservent();
4528 DIE(PL_no_sock_func, "endservent");
4535 return pp_gpwent(ARGS);
4537 DIE(PL_no_func, "getpwnam");
4544 return pp_gpwent(ARGS);
4546 DIE(PL_no_func, "getpwuid");
4553 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4554 I32 which = PL_op->op_type;
4556 struct passwd *pwent;
4559 struct spwd *spwent = NULL;
4562 if (which == OP_GPWNAM)
4563 pwent = getpwnam(POPpx);
4564 else if (which == OP_GPWUID)
4565 pwent = getpwuid(POPi);
4567 pwent = (struct passwd *)getpwent();
4570 if (which == OP_GPWNAM) {
4572 spwent = getspnam(pwent->pw_name);
4574 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4575 else if (which == OP_GPWUID) {
4577 spwent = getspnam(pwent->pw_name);
4581 spwent = (struct spwd *)getspent();
4585 if (GIMME != G_ARRAY) {
4586 PUSHs(sv = sv_newmortal());
4588 if (which == OP_GPWNAM)
4589 sv_setiv(sv, (IV)pwent->pw_uid);
4591 sv_setpv(sv, pwent->pw_name);
4597 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4598 sv_setpv(sv, pwent->pw_name);
4600 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4602 # ifdef HAS_GETSPENT
4604 sv_setpv(sv, spwent->sp_pwdp);
4606 sv_setpv(sv, pwent->pw_passwd);
4608 sv_setpv(sv, pwent->pw_passwd);
4612 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4613 sv_setiv(sv, (IV)pwent->pw_uid);
4615 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4616 sv_setiv(sv, (IV)pwent->pw_gid);
4618 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4619 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4621 sv_setiv(sv, (IV)pwent->pw_change);
4624 sv_setiv(sv, (IV)pwent->pw_quota);
4627 sv_setpv(sv, pwent->pw_age);
4632 /* pw_class and pw_comment are mutually exclusive. */
4633 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4635 sv_setpv(sv, pwent->pw_class);
4638 sv_setpv(sv, pwent->pw_comment);
4642 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4644 sv_setpv(sv, pwent->pw_gecos);
4646 #ifndef INCOMPLETE_TAINTS
4647 /* pw_gecos is tainted because user himself can diddle with it. */
4651 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4652 sv_setpv(sv, pwent->pw_dir);
4654 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4655 sv_setpv(sv, pwent->pw_shell);
4658 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4659 sv_setiv(sv, (IV)pwent->pw_expire);
4664 DIE(PL_no_func, "getpwent");
4671 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4673 # ifdef HAS_SETSPENT
4678 DIE(PL_no_func, "setpwent");
4685 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4687 # ifdef HAS_ENDSPENT
4692 DIE(PL_no_func, "endpwent");
4699 return pp_ggrent(ARGS);
4701 DIE(PL_no_func, "getgrnam");
4708 return pp_ggrent(ARGS);
4710 DIE(PL_no_func, "getgrgid");
4717 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4718 I32 which = PL_op->op_type;
4719 register char **elem;
4721 struct group *grent;
4724 if (which == OP_GGRNAM)
4725 grent = (struct group *)getgrnam(POPpx);
4726 else if (which == OP_GGRGID)
4727 grent = (struct group *)getgrgid(POPi);
4729 grent = (struct group *)getgrent();
4732 if (GIMME != G_ARRAY) {
4733 PUSHs(sv = sv_newmortal());
4735 if (which == OP_GGRNAM)
4736 sv_setiv(sv, (IV)grent->gr_gid);
4738 sv_setpv(sv, grent->gr_name);
4744 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4745 sv_setpv(sv, grent->gr_name);
4747 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4749 sv_setpv(sv, grent->gr_passwd);
4752 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4753 sv_setiv(sv, (IV)grent->gr_gid);
4755 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4756 for (elem = grent->gr_mem; elem && *elem; elem++) {
4757 sv_catpv(sv, *elem);
4759 sv_catpvn(sv, " ", 1);
4765 DIE(PL_no_func, "getgrent");
4772 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4776 DIE(PL_no_func, "setgrent");
4783 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4787 DIE(PL_no_func, "endgrent");
4797 if (!(tmps = PerlProc_getlogin()))
4799 PUSHp(tmps, strlen(tmps));
4802 DIE(PL_no_func, "getlogin");
4806 /* Miscellaneous. */
4811 djSP; dMARK; dORIGMARK; dTARGET;
4812 register I32 items = SP - MARK;
4813 unsigned long a[20];
4820 while (++MARK <= SP) {
4821 if (SvTAINTED(*MARK)) {
4827 TAINT_PROPER("syscall");
4830 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4831 * or where sizeof(long) != sizeof(char*). But such machines will
4832 * not likely have syscall implemented either, so who cares?
4834 while (++MARK <= SP) {
4835 if (SvNIOK(*MARK) || !i)
4836 a[i++] = SvIV(*MARK);
4837 else if (*MARK == &PL_sv_undef)
4840 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4846 DIE("Too many args to syscall");
4848 DIE("Too few args to syscall");
4850 retval = syscall(a[0]);
4853 retval = syscall(a[0],a[1]);
4856 retval = syscall(a[0],a[1],a[2]);
4859 retval = syscall(a[0],a[1],a[2],a[3]);
4862 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4865 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4868 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4871 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4875 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4878 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4881 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4885 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4889 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4893 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4894 a[10],a[11],a[12],a[13]);
4896 #endif /* atarist */
4902 DIE(PL_no_func, "syscall");
4906 #ifdef FCNTL_EMULATE_FLOCK
4908 /* XXX Emulate flock() with fcntl().
4909 What's really needed is a good file locking module.
4913 fcntl_emulate_flock(int fd, int operation)
4917 switch (operation & ~LOCK_NB) {
4919 flock.l_type = F_RDLCK;
4922 flock.l_type = F_WRLCK;
4925 flock.l_type = F_UNLCK;
4931 flock.l_whence = SEEK_SET;
4932 flock.l_start = flock.l_len = 0L;
4934 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4937 #endif /* FCNTL_EMULATE_FLOCK */
4939 #ifdef LOCKF_EMULATE_FLOCK
4941 /* XXX Emulate flock() with lockf(). This is just to increase
4942 portability of scripts. The calls are not completely
4943 interchangeable. What's really needed is a good file
4947 /* The lockf() constants might have been defined in <unistd.h>.
4948 Unfortunately, <unistd.h> causes troubles on some mixed
4949 (BSD/POSIX) systems, such as SunOS 4.1.3.
4951 Further, the lockf() constants aren't POSIX, so they might not be
4952 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4953 just stick in the SVID values and be done with it. Sigh.
4957 # define F_ULOCK 0 /* Unlock a previously locked region */
4960 # define F_LOCK 1 /* Lock a region for exclusive use */
4963 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4966 # define F_TEST 3 /* Test a region for other processes locks */
4970 lockf_emulate_flock (int fd, int operation)
4976 /* flock locks entire file so for lockf we need to do the same */
4978 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4979 if (pos > 0) /* is seekable and needs to be repositioned */
4980 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4981 pos = -1; /* seek failed, so don't seek back afterwards */
4984 switch (operation) {
4986 /* LOCK_SH - get a shared lock */
4988 /* LOCK_EX - get an exclusive lock */
4990 i = lockf (fd, F_LOCK, 0);
4993 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4994 case LOCK_SH|LOCK_NB:
4995 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4996 case LOCK_EX|LOCK_NB:
4997 i = lockf (fd, F_TLOCK, 0);
4999 if ((errno == EAGAIN) || (errno == EACCES))
5000 errno = EWOULDBLOCK;
5003 /* LOCK_UN - unlock (non-blocking is a no-op) */
5005 case LOCK_UN|LOCK_NB:
5006 i = lockf (fd, F_ULOCK, 0);
5009 /* Default - can't decipher operation */
5016 if (pos > 0) /* need to restore position of the handle */
5017 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5022 #endif /* LOCKF_EMULATE_FLOCK */