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*/
25 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
32 extern "C" int syscall(unsigned long,...);
37 # include <sys/wait.h>
41 # include <sys/resource.h>
44 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
45 # include <sys/socket.h>
51 # include <net/errno.h>
58 #include <sys/select.h>
62 /* XXX Configure test needed.
63 h_errno might not be a simple 'int', especially for multi-threaded
64 applications, see "extern int errno in perl.h". Creating such
65 a test requires taking into account the differences between
66 compiling multithreaded and singlethreaded ($ccflags et al).
67 HOST_NOT_FOUND is typically defined in <netdb.h>.
69 #if defined(HOST_NOT_FOUND) && !defined(h_errno)
77 struct passwd *getpwnam _((char *));
78 struct passwd *getpwuid _((Uid_t));
81 struct passwd *getpwent _((void));
89 struct group *getgrnam _((char *));
90 struct group *getgrgid _((Gid_t));
93 struct group *getgrent _((void));
98 # if defined(_MSC_VER) || defined(__MINGW32__)
99 # include <sys/utime.h>
108 #include <sys/file.h>
111 /* Put this after #includes because fork and vfork prototypes may conflict. */
116 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
118 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
119 # define Sock_size_t Size_t
121 # define Sock_size_t int
125 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
126 static int dooneliner _((char *cmd, char *filename));
130 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
133 # define my_chsize PerlLIO_chsize
138 #else /* no flock() */
140 /* fcntl.h might not have been included, even if it exists, because
141 the current Configure only sets I_FCNTL if it's needed to pick up
142 the *_OK constants. Make sure it has been included before testing
143 the fcntl() locking constants. */
144 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
148 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
149 # define FLOCK fcntl_emulate_flock
150 # define FCNTL_EMULATE_FLOCK
151 # else /* no flock() or fcntl(F_SETLK,...) */
153 # define FLOCK lockf_emulate_flock
154 # define LOCKF_EMULATE_FLOCK
156 # endif /* no flock() or fcntl(F_SETLK,...) */
159 static int FLOCK _((int, int));
162 * These are the flock() constants. Since this sytems doesn't have
163 * flock(), the values of the constants are probably not available.
177 # endif /* emulating flock() */
179 #endif /* no flock() */
182 static char zero_but_true[ZBTLEN + 1] = "0 but true";
184 #if defined(I_SYS_ACCESS) && !defined(R_OK)
185 # include <sys/access.h>
188 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
189 #undef PERL_EFF_ACCESS_W_OK
190 #undef PERL_EFF_ACCESS_X_OK
192 /* F_OK unused: if stat() cannot find it... */
194 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
195 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
196 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
197 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
198 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
201 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
202 # if defined(I_SYS_SECURITY)
203 # include <sys/security.h>
205 /* XXX Configure test needed for eaccess */
208 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
209 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
210 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
213 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
214 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
215 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
219 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
221 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
222 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
223 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
226 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
227 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
228 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
231 emulate_eaccess (const char* path, int mode) {
232 Uid_t ruid = getuid();
233 Uid_t euid = geteuid();
234 Gid_t rgid = getgid();
235 Gid_t egid = getegid();
238 MUTEX_LOCK(&PL_cred_mutex);
239 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
240 croak("switching effective uid is not implemented");
243 if (setreuid(euid, ruid))
246 if (setresuid(euid, ruid, (Uid_t)-1))
249 croak("entering effective uid failed");
252 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
253 croak("switching effective gid is not implemented");
256 if (setregid(egid, rgid))
259 if (setresgid(egid, rgid, (Gid_t)-1))
262 croak("entering effective gid failed");
265 res = access(path, mode);
268 if (setreuid(ruid, euid))
271 if (setresuid(ruid, euid, (Uid_t)-1))
274 croak("leaving effective uid failed");
277 if (setregid(rgid, egid))
280 if (setresgid(rgid, egid, (Gid_t)-1))
283 croak("leaving effective gid failed");
284 MUTEX_UNLOCK(&PL_cred_mutex);
288 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
289 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
290 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
293 #if !defined(PERL_EFF_ACCESS_R_OK)
295 emulate_eaccess (const char* path, int mode) {
296 croak("switching effective uid is not implemented");
311 fp = PerlProc_popen(tmps, "r");
313 if (gimme == G_VOID) {
315 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
319 else if (gimme == G_SCALAR) {
320 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
321 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
332 if (sv_gets(sv, fp, 0) == Nullch) {
336 XPUSHs(sv_2mortal(sv));
337 if (SvLEN(sv) - SvCUR(sv) > 20) {
338 SvLEN_set(sv, SvCUR(sv)+1);
339 Renew(SvPVX(sv), SvLEN(sv), char);
344 STATUS_NATIVE_SET(PerlProc_pclose(fp));
345 TAINT; /* "I believe that this is not gratuitous!" */
348 STATUS_NATIVE_SET(-1);
349 if (gimme == G_SCALAR)
359 tryAMAGICunTARGET(iter, -1);
366 * The external globbing program may use things we can't control,
367 * so for security reasons we must assume the worst.
370 taint_proper(PL_no_security, "glob");
374 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
375 PL_last_in_gv = (GV*)*PL_stack_sp--;
377 SAVESPTR(PL_rs); /* This is not permanent, either. */
378 PL_rs = sv_2mortal(newSVpvn("\000", 1));
381 *SvPVX(PL_rs) = '\n';
385 result = do_readline();
390 #if 0 /* XXX never used! */
394 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
395 return do_readline();
401 PL_last_in_gv = cGVOP->op_gv;
402 return do_readline();
411 if (SP - MARK != 1) {
413 do_join(TARG, &PL_sv_no, MARK, SP);
420 tmps = SvPV(tmpsv, len);
423 (void)SvUPGRADE(error, SVt_PV);
424 if (SvPOK(error) && SvCUR(error))
425 sv_catpv(error, "\t...caught");
427 tmps = SvPV(tmpsv, len);
430 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
443 if (SP - MARK != 1) {
445 do_join(TARG, &PL_sv_no, MARK, SP);
447 tmps = SvPV(tmpsv, len);
453 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
457 (void)SvUPGRADE(error, SVt_PV);
458 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
460 SvSetSV(error,tmpsv);
461 else if (sv_isobject(error)) {
462 HV *stash = SvSTASH(SvRV(error));
463 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
465 SV *file = sv_2mortal(newSVsv(GvSV(PL_curcop->cop_filegv)));
466 SV *line = sv_2mortal(newSViv(PL_curcop->cop_line));
473 perl_call_sv((SV*)GvCV(gv),
474 G_SCALAR|G_EVAL|G_KEEPERR);
475 sv_setsv(error,*PL_stack_sp--);
481 if (SvPOK(error) && SvCUR(error))
482 sv_catpv(error, "\t...propagated");
484 tmps = SvPV(tmpsv, len);
488 tmpsv = sv_2mortal(newSVpvn("Died", 4));
507 DIE(PL_no_usym, "filehandle");
512 DIE(PL_no_usym, "filehandle");
514 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
516 #if 0 /* no undef means tmpfile() yet */
517 if (sv == &PL_sv_undef) {
519 PerlIO *fp = PerlIO_tmpfile();
521 PerlIO *fp = tmpfile();
523 if (fp != Nullfp && do_open(gv, "+>&", 3, FALSE, 0, 0, fp))
524 PUSHi( (I32)PL_forkprocess );
529 #endif /* no undef means tmpfile() yet */
532 if (mg = SvTIED_mg((SV*)gv, 'q')) {
534 XPUSHs(SvTIED_obj((SV*)gv, mg));
538 perl_call_method("OPEN", G_SCALAR);
544 tmps = SvPV(sv, len);
545 if (do_open(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp))
546 PUSHi( (I32)PL_forkprocess );
547 else if (PL_forkprocess == 0) /* we are a new child */
565 if (mg = SvTIED_mg((SV*)gv, 'q')) {
567 XPUSHs(SvTIED_obj((SV*)gv, mg));
570 perl_call_method("CLOSE", G_SCALAR);
576 PUSHs(boolSV(do_close(gv, TRUE)));
596 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
597 DIE(PL_no_usym, "filehandle");
602 do_close(rgv, FALSE);
604 do_close(wgv, FALSE);
606 if (PerlProc_pipe(fd) < 0)
609 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
610 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
611 IoIFP(wstio) = IoOFP(wstio);
615 if (!IoIFP(rstio) || !IoOFP(wstio)) {
616 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
617 else PerlLIO_close(fd[0]);
618 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
619 else PerlLIO_close(fd[1]);
622 #if defined(HAS_FCNTL) && defined(F_SETFD)
623 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
624 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
631 DIE(PL_no_func, "pipe");
647 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
649 XPUSHs(SvTIED_obj((SV*)gv, mg));
652 perl_call_method("FILENO", G_SCALAR);
658 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
660 PUSHi(PerlIO_fileno(fp));
671 anum = PerlLIO_umask(0);
672 (void)PerlLIO_umask(anum);
675 anum = PerlLIO_umask(POPi);
676 TAINT_PROPER("umask");
679 /* Only DIE if trying to restrict permissions on `user' (self).
680 * Otherwise it's harmless and more useful to just return undef
681 * since 'group' and 'other' concepts probably don't exist here. */
682 if (MAXARG >= 1 && (POPi & 0700))
683 DIE("umask not implemented");
684 XPUSHs(&PL_sv_undef);
702 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
704 XPUSHs(SvTIED_obj((SV*)gv, mg));
707 perl_call_method("BINMODE", G_SCALAR);
714 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
717 if (do_binmode(fp,IoTYPE(io),TRUE))
732 I32 markoff = MARK - PL_stack_base;
739 switch(SvTYPE(varsv)) {
741 methname = "TIEHASH";
744 methname = "TIEARRAY";
747 methname = "TIEHANDLE";
751 methname = "TIESCALAR";
756 if (sv_isobject(*MARK)) {
758 PUSHSTACKi(PERLSI_MAGIC);
764 perl_call_method(methname, G_SCALAR);
767 /* Not clear why we don't call perl_call_method here too.
768 * perhaps to get different error message ?
770 stash = gv_stashsv(*MARK, FALSE);
771 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
772 DIE("Can't locate object method \"%s\" via package \"%s\"",
773 methname, SvPV(*MARK,n_a));
776 PUSHSTACKi(PERLSI_MAGIC);
782 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
788 if (sv_isobject(sv)) {
789 sv_unmagic(varsv, how);
790 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
793 SP = PL_stack_base + markoff;
802 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
804 if (ckWARN(WARN_UNTIE)) {
806 if (mg = SvTIED_mg(sv, how)) {
807 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
809 "untie attempted while %lu inner references still exist",
810 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
822 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
825 if (mg = SvTIED_mg(sv, how)) {
826 SV *osv = SvTIED_obj(sv, mg);
827 if (osv == mg->mg_obj)
828 osv = sv_mortalcopy(osv);
846 sv = sv_mortalcopy(&PL_sv_no);
847 sv_setpv(sv, "AnyDBM_File");
848 stash = gv_stashsv(sv, FALSE);
849 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
851 perl_require_pv("AnyDBM_File.pm");
853 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
854 DIE("No dbm on this machine");
864 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
866 PUSHs(sv_2mortal(newSViv(O_RDWR)));
869 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
872 if (!sv_isobject(TOPs)) {
877 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
880 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
884 if (sv_isobject(TOPs)) {
885 sv_unmagic((SV *) hv, 'P');
886 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
894 return pp_untie(ARGS);
908 struct timeval timebuf;
909 struct timeval *tbuf = &timebuf;
913 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
918 # if BYTEORDER & 0xf0000
919 # define ORDERBYTE (0x88888888 - BYTEORDER)
921 # define ORDERBYTE (0x4444 - BYTEORDER)
927 for (i = 1; i <= 3; i++) {
935 /* little endians can use vecs directly */
936 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
937 # if SELECT_MIN_BITS > 1
938 /* If SELECT_MIN_BITS is greater than one we most probably will want
939 * to align the sizes with SELECT_MIN_BITS/8 because for example
940 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
941 * UNIX, Solaris, NeXT, Rhapsody) the smallest quantum select() operates
942 * on (sets/tests/clears bits) is 32 bits. */
943 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
945 growsize = sizeof(fd_set);
954 masksize = NFDBITS / NBBY;
956 masksize = sizeof(long); /* documented int, everyone seems to use long */
958 growsize = maxlen + (masksize - (maxlen % masksize));
959 Zero(&fd_sets[0], 4, char*);
967 timebuf.tv_sec = (long)value;
968 value -= (double)timebuf.tv_sec;
969 timebuf.tv_usec = (long)(value * 1000000.0);
972 tbuf = Null(struct timeval*);
974 for (i = 1; i <= 3; i++) {
981 SvPV_force(sv,n_a); /* force string conversion */
984 Sv_Grow(sv, growsize);
988 while (++j <= growsize) {
992 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
994 New(403, fd_sets[i], growsize, char);
995 for (offset = 0; offset < growsize; offset += masksize) {
996 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
997 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1000 fd_sets[i] = SvPVX(sv);
1004 nfound = PerlSock_select(
1006 (Select_fd_set_t) fd_sets[1],
1007 (Select_fd_set_t) fd_sets[2],
1008 (Select_fd_set_t) fd_sets[3],
1010 for (i = 1; i <= 3; i++) {
1013 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1015 for (offset = 0; offset < growsize; offset += masksize) {
1016 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1017 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1019 Safefree(fd_sets[i]);
1026 if (GIMME == G_ARRAY && tbuf) {
1027 value = (double)(timebuf.tv_sec) +
1028 (double)(timebuf.tv_usec) / 1000000.0;
1029 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1030 sv_setnv(sv, value);
1034 DIE("select not implemented");
1043 (void)SvREFCNT_inc(gv);
1045 SvREFCNT_dec(PL_defoutgv);
1052 GV *newdefout, *egv;
1055 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1057 egv = GvEGV(PL_defoutgv);
1062 XPUSHs(&PL_sv_undef);
1064 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1065 if (gvp && *gvp == egv) {
1066 gv_efullname3(TARG, PL_defoutgv, Nullch);
1070 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1075 if (!GvIO(newdefout))
1076 gv_IOadd(newdefout);
1077 setdefout(newdefout);
1096 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1097 I32 gimme = GIMME_V;
1099 XPUSHs(SvTIED_obj((SV*)gv, mg));
1102 perl_call_method("GETC", gimme);
1105 if (gimme == G_SCALAR)
1106 SvSetMagicSV_nosteal(TARG, TOPs);
1109 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1112 sv_setpv(TARG, " ");
1113 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1120 return pp_sysread(ARGS);
1124 doform(CV *cv, GV *gv, OP *retop)
1127 register PERL_CONTEXT *cx;
1128 I32 gimme = GIMME_V;
1129 AV* padlist = CvPADLIST(cv);
1130 SV** svp = AvARRAY(padlist);
1136 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1138 SAVESPTR(PL_curpad);
1139 PL_curpad = AvARRAY((AV*)svp[1]);
1141 setdefout(gv); /* locally select filehandle so $% et al work */
1173 SV *tmpsv = sv_newmortal();
1174 gv_efullname3(tmpsv, fgv, Nullch);
1175 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
1177 DIE("Not a format reference");
1180 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1182 IoFLAGS(io) &= ~IOf_DIDTOP;
1183 return doform(cv,gv,PL_op->op_next);
1189 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1190 register IO *io = GvIOp(gv);
1191 PerlIO *ofp = IoOFP(io);
1195 register PERL_CONTEXT *cx;
1197 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1198 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1199 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1200 PL_formtarget != PL_toptarget)
1204 if (!IoTOP_GV(io)) {
1208 if (!IoTOP_NAME(io)) {
1209 if (!IoFMT_NAME(io))
1210 IoFMT_NAME(io) = savepv(GvNAME(gv));
1211 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1212 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1213 if ((topgv && GvFORM(topgv)) ||
1214 !gv_fetchpv("top",FALSE,SVt_PVFM))
1215 IoTOP_NAME(io) = savepv(SvPVX(topname));
1217 IoTOP_NAME(io) = savepv("top");
1219 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1220 if (!topgv || !GvFORM(topgv)) {
1221 IoLINES_LEFT(io) = 100000000;
1224 IoTOP_GV(io) = topgv;
1226 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1227 I32 lines = IoLINES_LEFT(io);
1228 char *s = SvPVX(PL_formtarget);
1229 if (lines <= 0) /* Yow, header didn't even fit!!! */
1231 while (lines-- > 0) {
1232 s = strchr(s, '\n');
1238 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1239 sv_chop(PL_formtarget, s);
1240 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1243 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1244 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1245 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1247 PL_formtarget = PL_toptarget;
1248 IoFLAGS(io) |= IOf_DIDTOP;
1251 DIE("bad top format reference");
1254 SV *tmpsv = sv_newmortal();
1255 gv_efullname3(tmpsv, fgv, Nullch);
1256 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1259 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1260 return doform(cv,gv,PL_op);
1264 POPBLOCK(cx,PL_curpm);
1270 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1272 warner(WARN_IO, "Filehandle only opened for input");
1273 else if (ckWARN(WARN_CLOSED))
1274 warner(WARN_CLOSED, "Write on closed filehandle");
1279 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1280 if (ckWARN(WARN_IO))
1281 warner(WARN_IO, "page overflow");
1283 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1287 FmLINES(PL_formtarget) = 0;
1288 SvCUR_set(PL_formtarget, 0);
1289 *SvEND(PL_formtarget) = '\0';
1290 if (IoFLAGS(io) & IOf_FLUSH)
1291 (void)PerlIO_flush(fp);
1295 PL_formtarget = PL_bodytarget;
1297 return pop_return();
1302 djSP; dMARK; dORIGMARK;
1310 if (PL_op->op_flags & OPf_STACKED)
1315 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1316 if (MARK == ORIGMARK) {
1319 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1323 *MARK = SvTIED_obj((SV*)gv, mg);
1326 perl_call_method("PRINTF", G_SCALAR);
1329 MARK = ORIGMARK + 1;
1336 if (!(io = GvIO(gv))) {
1337 if (ckWARN(WARN_UNOPENED)) {
1338 gv_fullname3(sv, gv, Nullch);
1339 warner(WARN_UNOPENED, "Filehandle %s never opened", SvPV(sv,n_a));
1341 SETERRNO(EBADF,RMS$_IFI);
1344 else if (!(fp = IoOFP(io))) {
1345 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1346 gv_fullname3(sv, gv, Nullch);
1348 warner(WARN_IO, "Filehandle %s opened only for input",
1350 else if (ckWARN(WARN_CLOSED))
1351 warner(WARN_CLOSED, "printf on closed filehandle %s",
1354 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1358 #ifdef USE_LOCALE_NUMERIC
1359 if (PL_op->op_private & OPpLOCALE)
1360 SET_NUMERIC_LOCAL();
1362 SET_NUMERIC_STANDARD();
1364 do_sprintf(sv, SP - MARK, MARK + 1);
1365 if (!do_print(sv, fp))
1368 if (IoFLAGS(io) & IOf_FLUSH)
1369 if (PerlIO_flush(fp) == EOF)
1380 PUSHs(&PL_sv_undef);
1401 /* Need TIEHANDLE method ? */
1403 tmps = SvPV(sv, len);
1404 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1405 IoLINES(GvIOp(gv)) = 0;
1409 PUSHs(&PL_sv_undef);
1416 djSP; dMARK; dORIGMARK; dTARGET;
1422 Sock_size_t bufsize;
1428 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1429 (mg = SvTIED_mg((SV*)gv, 'q')))
1434 *MARK = SvTIED_obj((SV*)gv, mg);
1436 perl_call_method("READ", G_SCALAR);
1449 sv_setpvn(bufsv, "", 0);
1450 buffer = SvPV_force(bufsv, blen);
1451 length = SvIVx(*++MARK);
1453 DIE("Negative length");
1456 offset = SvIVx(*++MARK);
1460 if (!io || !IoIFP(io))
1463 if (PL_op->op_type == OP_RECV) {
1464 char namebuf[MAXPATHLEN];
1465 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1466 bufsize = sizeof (struct sockaddr_in);
1468 bufsize = sizeof namebuf;
1470 buffer = SvGROW(bufsv, length+1);
1471 /* 'offset' means 'flags' here */
1472 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1473 (struct sockaddr *)namebuf, &bufsize);
1476 SvCUR_set(bufsv, length);
1477 *SvEND(bufsv) = '\0';
1478 (void)SvPOK_only(bufsv);
1480 /* This should not be marked tainted if the fp is marked clean */
1481 if (!(IoFLAGS(io) & IOf_UNTAINT))
1482 SvTAINTED_on(bufsv);
1484 sv_setpvn(TARG, namebuf, bufsize);
1489 if (PL_op->op_type == OP_RECV)
1490 DIE(PL_no_sock_func, "recv");
1494 DIE("Offset outside string");
1497 bufsize = SvCUR(bufsv);
1498 buffer = SvGROW(bufsv, length+offset+1);
1499 if (offset > bufsize) { /* Zero any newly allocated space */
1500 Zero(buffer+bufsize, offset-bufsize, char);
1502 if (PL_op->op_type == OP_SYSREAD) {
1503 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1504 if (IoTYPE(io) == 's') {
1505 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1506 buffer+offset, length, 0);
1511 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1512 buffer+offset, length);
1516 #ifdef HAS_SOCKET__bad_code_maybe
1517 if (IoTYPE(io) == 's') {
1518 char namebuf[MAXPATHLEN];
1519 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1520 bufsize = sizeof (struct sockaddr_in);
1522 bufsize = sizeof namebuf;
1524 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1525 (struct sockaddr *)namebuf, &bufsize);
1530 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1531 /* fread() returns 0 on both error and EOF */
1532 if (length == 0 && PerlIO_error(IoIFP(io)))
1537 SvCUR_set(bufsv, length+offset);
1538 *SvEND(bufsv) = '\0';
1539 (void)SvPOK_only(bufsv);
1541 /* This should not be marked tainted if the fp is marked clean */
1542 if (!(IoFLAGS(io) & IOf_UNTAINT))
1543 SvTAINTED_on(bufsv);
1556 int items = (SP - PL_stack_base) - TOPMARK;
1560 sv = sv_2mortal(newSViv(sv_len(*SP)));
1564 return pp_send(ARGS);
1569 djSP; dMARK; dORIGMARK; dTARGET;
1580 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1584 *MARK = SvTIED_obj((SV*)gv, mg);
1586 perl_call_method("WRITE", G_SCALAR);
1597 buffer = SvPV(bufsv, blen);
1598 length = SvIVx(*++MARK);
1600 DIE("Negative length");
1603 if (!io || !IoIFP(io)) {
1605 if (ckWARN(WARN_CLOSED)) {
1606 if (PL_op->op_type == OP_SYSWRITE)
1607 warner(WARN_CLOSED, "Syswrite on closed filehandle");
1609 warner(WARN_CLOSED, "Send on closed socket");
1612 else if (PL_op->op_type == OP_SYSWRITE) {
1614 offset = SvIVx(*++MARK);
1617 DIE("Offset outside string");
1619 } else if (offset >= blen && blen > 0)
1620 DIE("Offset outside string");
1623 if (length > blen - offset)
1624 length = blen - offset;
1625 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1626 if (IoTYPE(io) == 's') {
1627 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1628 buffer+offset, length, 0);
1633 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1634 buffer+offset, length);
1638 else if (SP > MARK) {
1641 sockbuf = SvPVx(*++MARK, mlen);
1642 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1643 (struct sockaddr *)sockbuf, mlen);
1646 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1650 DIE(PL_no_sock_func, "send");
1665 return pp_sysread(ARGS);
1677 gv = PL_last_in_gv = (GV*)POPs;
1679 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1681 XPUSHs(SvTIED_obj((SV*)gv, mg));
1684 perl_call_method("EOF", G_SCALAR);
1690 PUSHs(boolSV(!gv || do_eof(gv)));
1703 gv = PL_last_in_gv = (GV*)POPs;
1705 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1707 XPUSHs(SvTIED_obj((SV*)gv, mg));
1710 perl_call_method("TELL", G_SCALAR);
1716 PUSHi( do_tell(gv) );
1722 return pp_sysseek(ARGS);
1730 Off_t offset = POPl;
1733 gv = PL_last_in_gv = (GV*)POPs;
1735 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1737 XPUSHs(SvTIED_obj((SV*)gv, mg));
1738 XPUSHs(sv_2mortal(newSViv((IV) offset)));
1739 XPUSHs(sv_2mortal(newSViv((IV) whence)));
1742 perl_call_method("SEEK", G_SCALAR);
1748 if (PL_op->op_type == OP_SEEK)
1749 PUSHs(boolSV(do_seek(gv, offset, whence)));
1751 Off_t n = do_sysseek(gv, offset, whence);
1752 PUSHs((n < 0) ? &PL_sv_undef
1753 : sv_2mortal(n ? newSViv((IV)n)
1754 : newSVpvn(zero_but_true, ZBTLEN)));
1762 Off_t len = (Off_t)POPn;
1768 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1769 if (PL_op->op_flags & OPf_SPECIAL) {
1770 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1772 TAINT_PROPER("truncate");
1773 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1775 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1777 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1786 if (SvTYPE(sv) == SVt_PVGV) {
1787 tmpgv = (GV*)sv; /* *main::FRED for example */
1790 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1791 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1795 name = SvPV(sv, n_a);
1796 TAINT_PROPER("truncate");
1798 if (truncate(name, len) < 0)
1803 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1806 if (my_chsize(tmpfd, len) < 0)
1808 PerlLIO_close(tmpfd);
1817 SETERRNO(EBADF,RMS$_IFI);
1820 DIE("truncate not implemented");
1826 return pp_ioctl(ARGS);
1833 unsigned int func = U_I(POPn);
1834 int optype = PL_op->op_type;
1840 if (!io || !argsv || !IoIFP(io)) {
1841 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1845 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1848 s = SvPV_force(argsv, len);
1849 need = IOCPARM_LEN(func);
1851 s = Sv_Grow(argsv, need + 1);
1852 SvCUR_set(argsv, need);
1855 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1858 retval = SvIV(argsv);
1859 s = (char*)retval; /* ouch */
1862 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1864 if (optype == OP_IOCTL)
1866 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1868 DIE("ioctl is not implemented");
1872 #if defined(OS2) && defined(__EMX__)
1873 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1875 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1878 DIE("fcntl is not implemented");
1882 if (s[SvCUR(argsv)] != 17)
1883 DIE("Possible memory corruption: %s overflowed 3rd argument",
1884 PL_op_name[optype]);
1885 s[SvCUR(argsv)] = 0; /* put our null back */
1886 SvSETMAGIC(argsv); /* Assume it has changed */
1895 PUSHp(zero_but_true, ZBTLEN);
1915 fp = IoIFP(GvIOp(gv));
1919 (void)PerlIO_flush(fp);
1920 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1927 DIE(PL_no_func, "flock()");
1939 int protocol = POPi;
1947 SETERRNO(EBADF,LIB$_INVARG);
1953 do_close(gv, FALSE);
1955 TAINT_PROPER("socket");
1956 fd = PerlSock_socket(domain, type, protocol);
1959 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1960 IoOFP(io) = PerlIO_fdopen(fd, "w");
1962 if (!IoIFP(io) || !IoOFP(io)) {
1963 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1964 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1965 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1971 DIE(PL_no_sock_func, "socket");
1978 #ifdef HAS_SOCKETPAIR
1983 int protocol = POPi;
1996 do_close(gv1, FALSE);
1998 do_close(gv2, FALSE);
2000 TAINT_PROPER("socketpair");
2001 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2003 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2004 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2006 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2007 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2009 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2010 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2011 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2012 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2013 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2014 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2015 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2021 DIE(PL_no_sock_func, "socketpair");
2029 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2030 extern GETPRIVMODE();
2031 extern GETUSERMODE();
2036 register IO *io = GvIOn(gv);
2040 int mpeprivmode = 0;
2043 if (!io || !IoIFP(io))
2046 addr = SvPV(addrsv, len);
2047 TAINT_PROPER("bind");
2048 #ifdef MPE /* Deal with MPE bind() peculiarities */
2049 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2050 /* The address *MUST* stupidly be zero. */
2051 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2052 /* PRIV mode is required to bind() to ports < 1024. */
2053 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2054 ((struct sockaddr_in *)addr)->sin_port > 0) {
2055 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2060 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2061 (struct sockaddr *)addr, len) >= 0)
2064 #ifdef MPE /* Switch back to USER mode */
2075 if (ckWARN(WARN_CLOSED))
2076 warner(WARN_CLOSED, "bind() on closed fd");
2077 SETERRNO(EBADF,SS$_IVCHAN);
2080 DIE(PL_no_sock_func, "bind");
2091 register IO *io = GvIOn(gv);
2094 if (!io || !IoIFP(io))
2097 addr = SvPV(addrsv, len);
2098 TAINT_PROPER("connect");
2099 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2105 if (ckWARN(WARN_CLOSED))
2106 warner(WARN_CLOSED, "connect() on closed fd");
2107 SETERRNO(EBADF,SS$_IVCHAN);
2110 DIE(PL_no_sock_func, "connect");
2120 register IO *io = GvIOn(gv);
2122 if (!io || !IoIFP(io))
2125 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2131 if (ckWARN(WARN_CLOSED))
2132 warner(WARN_CLOSED, "listen() on closed fd");
2133 SETERRNO(EBADF,SS$_IVCHAN);
2136 DIE(PL_no_sock_func, "listen");
2148 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2149 Sock_size_t len = sizeof saddr;
2161 if (!gstio || !IoIFP(gstio))
2166 do_close(ngv, FALSE);
2168 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2171 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2172 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2173 IoTYPE(nstio) = 's';
2174 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2175 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2176 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2177 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2181 PUSHp((char *)&saddr, len);
2185 if (ckWARN(WARN_CLOSED))
2186 warner(WARN_CLOSED, "accept() on closed fd");
2187 SETERRNO(EBADF,SS$_IVCHAN);
2193 DIE(PL_no_sock_func, "accept");
2203 register IO *io = GvIOn(gv);
2205 if (!io || !IoIFP(io))
2208 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2212 if (ckWARN(WARN_CLOSED))
2213 warner(WARN_CLOSED, "shutdown() on closed fd");
2214 SETERRNO(EBADF,SS$_IVCHAN);
2217 DIE(PL_no_sock_func, "shutdown");
2224 return pp_ssockopt(ARGS);
2226 DIE(PL_no_sock_func, "getsockopt");
2234 int optype = PL_op->op_type;
2237 unsigned int optname;
2243 if (optype == OP_GSOCKOPT)
2244 sv = sv_2mortal(NEWSV(22, 257));
2247 optname = (unsigned int) POPi;
2248 lvl = (unsigned int) POPi;
2252 if (!io || !IoIFP(io))
2255 fd = PerlIO_fileno(IoIFP(io));
2259 (void)SvPOK_only(sv);
2263 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2278 aint = (int)SvIV(sv);
2282 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2291 if (ckWARN(WARN_CLOSED))
2292 warner(WARN_CLOSED, "[gs]etsockopt() on closed fd");
2293 SETERRNO(EBADF,SS$_IVCHAN);
2298 DIE(PL_no_sock_func, "setsockopt");
2305 return pp_getpeername(ARGS);
2307 DIE(PL_no_sock_func, "getsockname");
2315 int optype = PL_op->op_type;
2319 register IO *io = GvIOn(gv);
2322 if (!io || !IoIFP(io))
2325 sv = sv_2mortal(NEWSV(22, 257));
2326 (void)SvPOK_only(sv);
2330 fd = PerlIO_fileno(IoIFP(io));
2332 case OP_GETSOCKNAME:
2333 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2336 case OP_GETPEERNAME:
2337 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2339 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2341 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2342 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2343 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2344 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2345 sizeof(u_short) + sizeof(struct in_addr))) {
2352 #ifdef BOGUS_GETNAME_RETURN
2353 /* Interactive Unix, getpeername() and getsockname()
2354 does not return valid namelen */
2355 if (len == BOGUS_GETNAME_RETURN)
2356 len = sizeof(struct sockaddr);
2364 if (ckWARN(WARN_CLOSED))
2365 warner(WARN_CLOSED, "get{sock, peer}name() on closed fd");
2366 SETERRNO(EBADF,SS$_IVCHAN);
2371 DIE(PL_no_sock_func, "getpeername");
2379 return pp_stat(ARGS);
2390 if (PL_op->op_flags & OPf_REF) {
2391 tmpgv = cGVOP->op_gv;
2393 if (tmpgv != PL_defgv) {
2394 PL_laststype = OP_STAT;
2396 sv_setpv(PL_statname, "");
2397 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2398 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2400 if (PL_laststatval < 0)
2405 if (SvTYPE(sv) == SVt_PVGV) {
2409 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2410 tmpgv = (GV*)SvRV(sv);
2413 sv_setpv(PL_statname, SvPV(sv,n_a));
2416 PL_laststype = PL_op->op_type;
2417 if (PL_op->op_type == OP_LSTAT)
2418 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2421 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2422 if (PL_laststatval < 0) {
2423 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2424 warner(WARN_NEWLINE, PL_warn_nl, "stat");
2430 if (gimme != G_ARRAY) {
2431 if (gimme != G_VOID)
2432 XPUSHs(boolSV(max));
2438 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2439 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2440 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2441 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2442 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2443 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2444 #ifdef USE_STAT_RDEV
2445 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2447 PUSHs(sv_2mortal(newSVpvn("", 0)));
2449 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2451 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2452 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2453 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2455 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2456 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2457 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2459 #ifdef USE_STAT_BLOCKS
2460 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2461 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2463 PUSHs(sv_2mortal(newSVpvn("", 0)));
2464 PUSHs(sv_2mortal(newSVpvn("", 0)));
2474 #if defined(HAS_ACCESS) && defined(R_OK)
2476 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2477 result = access(TOPpx, R_OK);
2485 result = my_stat(ARGS);
2487 result = my_stat(ARGS);
2492 if (cando(S_IRUSR, 0, &PL_statcache))
2501 #if defined(HAS_ACCESS) && defined(W_OK)
2503 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2504 result = access(TOPpx, W_OK);
2512 result = my_stat(ARGS);
2514 result = my_stat(ARGS);
2519 if (cando(S_IWUSR, 0, &PL_statcache))
2528 #if defined(HAS_ACCESS) && defined(X_OK)
2530 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2531 result = access(TOPpx, X_OK);
2539 result = my_stat(ARGS);
2541 result = my_stat(ARGS);
2546 if (cando(S_IXUSR, 0, &PL_statcache))
2555 #ifdef PERL_EFF_ACCESS_R_OK
2557 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2558 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2566 result = my_stat(ARGS);
2568 result = my_stat(ARGS);
2573 if (cando(S_IRUSR, 1, &PL_statcache))
2582 #ifdef PERL_EFF_ACCESS_W_OK
2584 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2585 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2593 result = my_stat(ARGS);
2595 result = my_stat(ARGS);
2600 if (cando(S_IWUSR, 1, &PL_statcache))
2609 #ifdef PERL_EFF_ACCESS_X_OK
2611 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2612 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2620 result = my_stat(ARGS);
2622 result = my_stat(ARGS);
2627 if (cando(S_IXUSR, 1, &PL_statcache))
2634 I32 result = my_stat(ARGS);
2643 return pp_ftrowned(ARGS);
2648 I32 result = my_stat(ARGS);
2652 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2659 I32 result = my_stat(ARGS);
2663 if (!PL_statcache.st_size)
2670 I32 result = my_stat(ARGS);
2674 PUSHi(PL_statcache.st_size);
2680 I32 result = my_stat(ARGS);
2684 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2690 I32 result = my_stat(ARGS);
2694 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2700 I32 result = my_stat(ARGS);
2704 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2710 I32 result = my_stat(ARGS);
2714 if (S_ISSOCK(PL_statcache.st_mode))
2721 I32 result = my_stat(ARGS);
2725 if (S_ISCHR(PL_statcache.st_mode))
2732 I32 result = my_stat(ARGS);
2736 if (S_ISBLK(PL_statcache.st_mode))
2743 I32 result = my_stat(ARGS);
2747 if (S_ISREG(PL_statcache.st_mode))
2754 I32 result = my_stat(ARGS);
2758 if (S_ISDIR(PL_statcache.st_mode))
2765 I32 result = my_stat(ARGS);
2769 if (S_ISFIFO(PL_statcache.st_mode))
2776 I32 result = my_lstat(ARGS);
2780 if (S_ISLNK(PL_statcache.st_mode))
2789 I32 result = my_stat(ARGS);
2793 if (PL_statcache.st_mode & S_ISUID)
2803 I32 result = my_stat(ARGS);
2807 if (PL_statcache.st_mode & S_ISGID)
2817 I32 result = my_stat(ARGS);
2821 if (PL_statcache.st_mode & S_ISVTX)
2832 char *tmps = Nullch;
2835 if (PL_op->op_flags & OPf_REF)
2837 else if (isGV(TOPs))
2839 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2840 gv = (GV*)SvRV(POPs);
2842 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2844 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2845 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2846 else if (tmps && isDIGIT(*tmps))
2850 if (PerlLIO_isatty(fd))
2855 #if defined(atarist) /* this will work with atariST. Configure will
2856 make guesses for other systems. */
2857 # define FILE_base(f) ((f)->_base)
2858 # define FILE_ptr(f) ((f)->_ptr)
2859 # define FILE_cnt(f) ((f)->_cnt)
2860 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2870 register STDCHAR *s;
2876 if (PL_op->op_flags & OPf_REF)
2878 else if (isGV(TOPs))
2880 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2881 gv = (GV*)SvRV(POPs);
2887 if (gv == PL_defgv) {
2889 io = GvIO(PL_statgv);
2892 goto really_filename;
2897 PL_laststatval = -1;
2898 sv_setpv(PL_statname, "");
2899 io = GvIO(PL_statgv);
2901 if (io && IoIFP(io)) {
2902 if (! PerlIO_has_base(IoIFP(io)))
2903 DIE("-T and -B not implemented on filehandles");
2904 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2905 if (PL_laststatval < 0)
2907 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2908 if (PL_op->op_type == OP_FTTEXT)
2912 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2913 i = PerlIO_getc(IoIFP(io));
2915 (void)PerlIO_ungetc(IoIFP(io),i);
2917 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2919 len = PerlIO_get_bufsiz(IoIFP(io));
2920 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2921 /* sfio can have large buffers - limit to 512 */
2926 if (ckWARN(WARN_UNOPENED))
2927 warner(WARN_UNOPENED, "Test on unopened file <%s>",
2928 GvENAME(cGVOP->op_gv));
2929 SETERRNO(EBADF,RMS$_IFI);
2937 PL_laststatval = -1;
2938 sv_setpv(PL_statname, SvPV(sv, n_a));
2940 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2942 i = PerlLIO_open(SvPV(sv, n_a), 0);
2945 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
2946 warner(WARN_NEWLINE, PL_warn_nl, "open");
2949 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2950 if (PL_laststatval < 0)
2952 len = PerlLIO_read(i, tbuf, 512);
2953 (void)PerlLIO_close(i);
2955 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2956 RETPUSHNO; /* special case NFS directories */
2957 RETPUSHYES; /* null file is anything */
2962 /* now scan s to look for textiness */
2963 /* XXX ASCII dependent code */
2965 for (i = 0; i < len; i++, s++) {
2966 if (!*s) { /* null never allowed in text */
2971 else if (!(isPRINT(*s) || isSPACE(*s)))
2977 *s != '\n' && *s != '\r' && *s != '\b' &&
2978 *s != '\t' && *s != '\f' && *s != 27)
2983 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2991 return pp_fttext(ARGS);
3007 if (!tmps || !*tmps) {
3008 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3010 tmps = SvPV(*svp, n_a);
3012 if (!tmps || !*tmps) {
3013 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3015 tmps = SvPV(*svp, n_a);
3018 if (!tmps || !*tmps) {
3019 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3021 tmps = SvPV(*svp, n_a);
3024 TAINT_PROPER("chdir");
3025 PUSHi( PerlDir_chdir(tmps) >= 0 );
3027 /* Clear the DEFAULT element of ENV so we'll get the new value
3029 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3036 djSP; dMARK; dTARGET;
3039 value = (I32)apply(PL_op->op_type, MARK, SP);
3044 DIE(PL_no_func, "Unsupported function chown");
3055 TAINT_PROPER("chroot");
3056 PUSHi( chroot(tmps) >= 0 );
3059 DIE(PL_no_func, "chroot");
3065 djSP; dMARK; dTARGET;
3067 value = (I32)apply(PL_op->op_type, MARK, SP);
3075 djSP; dMARK; dTARGET;
3077 value = (I32)apply(PL_op->op_type, MARK, SP);
3085 djSP; dMARK; dTARGET;
3087 value = (I32)apply(PL_op->op_type, MARK, SP);
3099 char *tmps2 = POPpx;
3100 char *tmps = SvPV(TOPs, n_a);
3101 TAINT_PROPER("rename");
3103 anum = PerlLIO_rename(tmps, tmps2);
3105 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3106 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3109 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3110 (void)UNLINK(tmps2);
3111 if (!(anum = link(tmps, tmps2)))
3112 anum = UNLINK(tmps);
3125 char *tmps2 = POPpx;
3126 char *tmps = SvPV(TOPs, n_a);
3127 TAINT_PROPER("link");
3128 SETi( link(tmps, tmps2) >= 0 );
3130 DIE(PL_no_func, "Unsupported function link");
3140 char *tmps2 = POPpx;
3141 char *tmps = SvPV(TOPs, n_a);
3142 TAINT_PROPER("symlink");
3143 SETi( symlink(tmps, tmps2) >= 0 );
3146 DIE(PL_no_func, "symlink");
3155 char buf[MAXPATHLEN];
3159 #ifndef INCOMPLETE_TAINTS
3163 len = readlink(tmps, buf, sizeof buf);
3171 RETSETUNDEF; /* just pretend it's a normal file */
3175 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3177 dooneliner(cmd, filename)
3181 char *save_filename = filename;
3187 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3188 strcpy(cmdline, cmd);
3189 strcat(cmdline, " ");
3190 for (s = cmdline + strlen(cmdline); *filename; ) {
3195 myfp = PerlProc_popen(cmdline, "r");
3199 SV *tmpsv = sv_newmortal();
3200 /* Need to save/restore 'PL_rs' ?? */
3201 s = sv_gets(tmpsv, myfp, 0);
3202 (void)PerlProc_pclose(myfp);
3206 #ifdef HAS_SYS_ERRLIST
3211 /* you don't see this */
3213 #ifdef HAS_SYS_ERRLIST
3221 if (instr(s, errmsg)) {
3228 #define EACCES EPERM
3230 if (instr(s, "cannot make"))
3231 SETERRNO(EEXIST,RMS$_FEX);
3232 else if (instr(s, "existing file"))
3233 SETERRNO(EEXIST,RMS$_FEX);
3234 else if (instr(s, "ile exists"))
3235 SETERRNO(EEXIST,RMS$_FEX);
3236 else if (instr(s, "non-exist"))
3237 SETERRNO(ENOENT,RMS$_FNF);
3238 else if (instr(s, "does not exist"))
3239 SETERRNO(ENOENT,RMS$_FNF);
3240 else if (instr(s, "not empty"))
3241 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3242 else if (instr(s, "cannot access"))
3243 SETERRNO(EACCES,RMS$_PRV);
3245 SETERRNO(EPERM,RMS$_PRV);
3248 else { /* some mkdirs return no failure indication */
3249 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3250 if (PL_op->op_type == OP_RMDIR)
3255 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3272 char *tmps = SvPV(TOPs, n_a);
3274 TAINT_PROPER("mkdir");
3276 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3278 SETi( dooneliner("mkdir", tmps) );
3279 oldumask = PerlLIO_umask(0);
3280 PerlLIO_umask(oldumask);
3281 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3293 TAINT_PROPER("rmdir");
3295 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3297 XPUSHi( dooneliner("rmdir", tmps) );
3302 /* Directory calls. */
3307 #if defined(Direntry_t) && defined(HAS_READDIR)
3309 char *dirname = POPpx;
3311 register IO *io = GvIOn(gv);
3317 PerlDir_close(IoDIRP(io));
3318 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3324 SETERRNO(EBADF,RMS$_DIR);
3327 DIE(PL_no_dir_func, "opendir");
3334 #if defined(Direntry_t) && defined(HAS_READDIR)
3336 Direntry_t *readdir _((DIR *));
3338 register Direntry_t *dp;
3340 register IO *io = GvIOn(gv);
3343 if (!io || !IoDIRP(io))
3346 if (GIMME == G_ARRAY) {
3348 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3350 sv = newSVpvn(dp->d_name, dp->d_namlen);
3352 sv = newSVpv(dp->d_name, 0);
3354 #ifndef INCOMPLETE_TAINTS
3357 XPUSHs(sv_2mortal(sv));
3361 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3364 sv = newSVpvn(dp->d_name, dp->d_namlen);
3366 sv = newSVpv(dp->d_name, 0);
3368 #ifndef INCOMPLETE_TAINTS
3371 XPUSHs(sv_2mortal(sv));
3377 SETERRNO(EBADF,RMS$_ISI);
3378 if (GIMME == G_ARRAY)
3383 DIE(PL_no_dir_func, "readdir");
3390 #if defined(HAS_TELLDIR) || defined(telldir)
3391 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3392 /* XXX netbsd still seemed to.
3393 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3394 --JHI 1999-Feb-02 */
3395 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3396 long telldir _((DIR *));
3399 register IO *io = GvIOn(gv);
3401 if (!io || !IoDIRP(io))
3404 PUSHi( PerlDir_tell(IoDIRP(io)) );
3408 SETERRNO(EBADF,RMS$_ISI);
3411 DIE(PL_no_dir_func, "telldir");
3418 #if defined(HAS_SEEKDIR) || defined(seekdir)
3421 register IO *io = GvIOn(gv);
3423 if (!io || !IoDIRP(io))
3426 (void)PerlDir_seek(IoDIRP(io), along);
3431 SETERRNO(EBADF,RMS$_ISI);
3434 DIE(PL_no_dir_func, "seekdir");
3441 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3443 register IO *io = GvIOn(gv);
3445 if (!io || !IoDIRP(io))
3448 (void)PerlDir_rewind(IoDIRP(io));
3452 SETERRNO(EBADF,RMS$_ISI);
3455 DIE(PL_no_dir_func, "rewinddir");
3462 #if defined(Direntry_t) && defined(HAS_READDIR)
3464 register IO *io = GvIOn(gv);
3466 if (!io || !IoDIRP(io))
3469 #ifdef VOID_CLOSEDIR
3470 PerlDir_close(IoDIRP(io));
3472 if (PerlDir_close(IoDIRP(io)) < 0) {
3473 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3482 SETERRNO(EBADF,RMS$_IFI);
3485 DIE(PL_no_dir_func, "closedir");
3489 /* Process control. */
3499 PERL_FLUSHALL_FOR_CHILD;
3505 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3506 sv_setiv(GvSV(tmpgv), (IV)getpid());
3507 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3512 DIE(PL_no_func, "Unsupported function fork");
3518 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3523 childpid = wait4pid(-1, &argflags, 0);
3524 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3528 DIE(PL_no_func, "Unsupported function wait");
3534 #if !defined(DOSISH) || defined(OS2) || defined(WIN32) || defined(CYGWIN32)
3542 childpid = wait4pid(childpid, &argflags, optype);
3543 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3547 DIE(PL_no_func, "Unsupported function waitpid");
3553 djSP; dMARK; dORIGMARK; dTARGET;
3558 Sigsave_t ihand,qhand; /* place to save signals during system() */
3561 if (SP - MARK == 1) {
3563 char *junk = SvPV(TOPs, n_a);
3565 TAINT_PROPER("system");
3568 PERL_FLUSHALL_FOR_CHILD;
3569 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3570 while ((childpid = vfork()) == -1) {
3571 if (errno != EAGAIN) {
3580 rsignal_save(SIGINT, SIG_IGN, &ihand);
3581 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3583 result = wait4pid(childpid, &status, 0);
3584 } while (result == -1 && errno == EINTR);
3585 (void)rsignal_restore(SIGINT, &ihand);
3586 (void)rsignal_restore(SIGQUIT, &qhand);
3587 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3588 do_execfree(); /* free any memory child malloced on vfork */
3590 PUSHi(STATUS_CURRENT);
3593 if (PL_op->op_flags & OPf_STACKED) {
3594 SV *really = *++MARK;
3595 value = (I32)do_aexec(really, MARK, SP);
3597 else if (SP - MARK != 1)
3598 value = (I32)do_aexec(Nullsv, MARK, SP);
3600 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3603 #else /* ! FORK or VMS or OS/2 */
3604 if (PL_op->op_flags & OPf_STACKED) {
3605 SV *really = *++MARK;
3606 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3608 else if (SP - MARK != 1)
3609 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3611 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3613 STATUS_NATIVE_SET(value);
3616 PUSHi(STATUS_CURRENT);
3617 #endif /* !FORK or VMS */
3623 djSP; dMARK; dORIGMARK; dTARGET;
3627 PERL_FLUSHALL_FOR_CHILD;
3628 if (PL_op->op_flags & OPf_STACKED) {
3629 SV *really = *++MARK;
3630 value = (I32)do_aexec(really, MARK, SP);
3632 else if (SP - MARK != 1)
3634 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3638 (void ) do_aspawn(Nullsv, MARK, SP);
3642 value = (I32)do_aexec(Nullsv, MARK, SP);
3647 char *junk = SvPV(*SP, n_a);
3649 TAINT_PROPER("exec");
3652 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3655 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3658 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3669 djSP; dMARK; dTARGET;
3672 value = (I32)apply(PL_op->op_type, MARK, SP);
3677 DIE(PL_no_func, "Unsupported function kill");
3685 XPUSHi( getppid() );
3688 DIE(PL_no_func, "getppid");
3704 value = (I32)BSD_GETPGRP(pid);
3706 if (pid != 0 && pid != getpid())
3707 DIE("POSIX getpgrp can't take an argument");
3708 value = (I32)getpgrp();
3713 DIE(PL_no_func, "getpgrp()");
3732 TAINT_PROPER("setpgrp");
3734 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3736 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3737 DIE("POSIX setpgrp can't take an argument");
3738 SETi( setpgrp() >= 0 );
3739 #endif /* USE_BSDPGRP */
3742 DIE(PL_no_func, "setpgrp()");
3751 #ifdef HAS_GETPRIORITY
3754 SETi( getpriority(which, who) );
3757 DIE(PL_no_func, "getpriority()");
3767 #ifdef HAS_SETPRIORITY
3771 TAINT_PROPER("setpriority");
3772 SETi( setpriority(which, who, niceval) >= 0 );
3775 DIE(PL_no_func, "setpriority()");
3785 XPUSHn( time(Null(Time_t*)) );
3787 XPUSHi( time(Null(Time_t*)) );
3792 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3793 to HZ. Probably. For now, assume that if the system
3794 defines HZ, it does so correctly. (Will this break
3796 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3797 it's supported. --AD 9/96.
3813 DIE("times not implemented");
3818 (void)PerlProc_times(&PL_timesbuf);
3820 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3821 /* struct tms, though same data */
3825 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_utime)/HZ)));
3826 if (GIMME == G_ARRAY) {
3827 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_stime)/HZ)));
3828 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cutime)/HZ)));
3829 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cstime)/HZ)));
3832 #endif /* HAS_TIMES */
3837 return pp_gmtime(ARGS);
3845 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3846 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3847 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3853 when = (Time_t)SvNVx(POPs);
3855 when = (Time_t)SvIVx(POPs);
3858 if (PL_op->op_type == OP_LOCALTIME)
3859 tmbuf = localtime(&when);
3861 tmbuf = gmtime(&when);
3865 if (GIMME != G_ARRAY) {
3870 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3871 dayname[tmbuf->tm_wday],
3872 monname[tmbuf->tm_mon],
3877 tmbuf->tm_year + 1900);
3878 PUSHs(sv_2mortal(tsv));
3881 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3882 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3883 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3884 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3885 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3886 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3887 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3888 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3889 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3900 anum = alarm((unsigned int)anum);
3907 DIE(PL_no_func, "Unsupported function alarm");
3918 (void)time(&lasttime);
3923 PerlProc_sleep((unsigned int)duration);
3926 XPUSHi(when - lasttime);
3930 /* Shared memory. */
3934 return pp_semget(ARGS);
3939 return pp_semctl(ARGS);
3944 return pp_shmwrite(ARGS);
3949 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3950 djSP; dMARK; dTARGET;
3951 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3956 return pp_semget(ARGS);
3960 /* Message passing. */
3964 return pp_semget(ARGS);
3969 return pp_semctl(ARGS);
3974 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3975 djSP; dMARK; dTARGET;
3976 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3981 return pp_semget(ARGS);
3987 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3988 djSP; dMARK; dTARGET;
3989 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3994 return pp_semget(ARGS);
4002 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4003 djSP; dMARK; dTARGET;
4004 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4011 DIE("System V IPC is not implemented on this machine");
4017 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4018 djSP; dMARK; dTARGET;
4019 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4027 PUSHp(zero_but_true, ZBTLEN);
4031 return pp_semget(ARGS);
4037 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4038 djSP; dMARK; dTARGET;
4039 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4044 return pp_semget(ARGS);
4048 /* Get system info. */
4052 #ifdef HAS_GETHOSTBYNAME
4053 return pp_ghostent(ARGS);
4055 DIE(PL_no_sock_func, "gethostbyname");
4061 #ifdef HAS_GETHOSTBYADDR
4062 return pp_ghostent(ARGS);
4064 DIE(PL_no_sock_func, "gethostbyaddr");
4071 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4072 I32 which = PL_op->op_type;
4073 register char **elem;
4075 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4076 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4077 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4078 struct hostent *PerlSock_gethostent(void);
4080 struct hostent *hent;
4085 if (which == OP_GHBYNAME)
4086 #ifdef HAS_GETHOSTBYNAME
4087 hent = PerlSock_gethostbyname(POPpx);
4089 DIE(PL_no_sock_func, "gethostbyname");
4091 else if (which == OP_GHBYADDR) {
4092 #ifdef HAS_GETHOSTBYADDR
4093 int addrtype = POPi;
4096 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4098 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4100 DIE(PL_no_sock_func, "gethostbyaddr");
4104 #ifdef HAS_GETHOSTENT
4105 hent = PerlSock_gethostent();
4107 DIE(PL_no_sock_func, "gethostent");
4110 #ifdef HOST_NOT_FOUND
4112 STATUS_NATIVE_SET(h_errno);
4115 if (GIMME != G_ARRAY) {
4116 PUSHs(sv = sv_newmortal());
4118 if (which == OP_GHBYNAME) {
4120 sv_setpvn(sv, hent->h_addr, hent->h_length);
4123 sv_setpv(sv, (char*)hent->h_name);
4129 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4130 sv_setpv(sv, (char*)hent->h_name);
4131 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4132 for (elem = hent->h_aliases; elem && *elem; elem++) {
4133 sv_catpv(sv, *elem);
4135 sv_catpvn(sv, " ", 1);
4137 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4138 sv_setiv(sv, (IV)hent->h_addrtype);
4139 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4140 len = hent->h_length;
4141 sv_setiv(sv, (IV)len);
4143 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4144 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4145 sv_setpvn(sv, *elem, len);
4148 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4150 sv_setpvn(sv, hent->h_addr, len);
4155 DIE(PL_no_sock_func, "gethostent");
4161 #ifdef HAS_GETNETBYNAME
4162 return pp_gnetent(ARGS);
4164 DIE(PL_no_sock_func, "getnetbyname");
4170 #ifdef HAS_GETNETBYADDR
4171 return pp_gnetent(ARGS);
4173 DIE(PL_no_sock_func, "getnetbyaddr");
4180 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4181 I32 which = PL_op->op_type;
4182 register char **elem;
4184 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4185 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4186 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4187 struct netent *PerlSock_getnetent(void);
4189 struct netent *nent;
4192 if (which == OP_GNBYNAME)
4193 #ifdef HAS_GETNETBYNAME
4194 nent = PerlSock_getnetbyname(POPpx);
4196 DIE(PL_no_sock_func, "getnetbyname");
4198 else if (which == OP_GNBYADDR) {
4199 #ifdef HAS_GETNETBYADDR
4200 int addrtype = POPi;
4201 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4202 nent = PerlSock_getnetbyaddr(addr, addrtype);
4204 DIE(PL_no_sock_func, "getnetbyaddr");
4208 #ifdef HAS_GETNETENT
4209 nent = PerlSock_getnetent();
4211 DIE(PL_no_sock_func, "getnetent");
4215 if (GIMME != G_ARRAY) {
4216 PUSHs(sv = sv_newmortal());
4218 if (which == OP_GNBYNAME)
4219 sv_setiv(sv, (IV)nent->n_net);
4221 sv_setpv(sv, nent->n_name);
4227 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4228 sv_setpv(sv, nent->n_name);
4229 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4230 for (elem = nent->n_aliases; elem && *elem; elem++) {
4231 sv_catpv(sv, *elem);
4233 sv_catpvn(sv, " ", 1);
4235 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4236 sv_setiv(sv, (IV)nent->n_addrtype);
4237 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4238 sv_setiv(sv, (IV)nent->n_net);
4243 DIE(PL_no_sock_func, "getnetent");
4249 #ifdef HAS_GETPROTOBYNAME
4250 return pp_gprotoent(ARGS);
4252 DIE(PL_no_sock_func, "getprotobyname");
4258 #ifdef HAS_GETPROTOBYNUMBER
4259 return pp_gprotoent(ARGS);
4261 DIE(PL_no_sock_func, "getprotobynumber");
4268 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4269 I32 which = PL_op->op_type;
4270 register char **elem;
4272 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4273 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4274 struct protoent *PerlSock_getprotobynumber(int);
4275 struct protoent *PerlSock_getprotoent(void);
4277 struct protoent *pent;
4280 if (which == OP_GPBYNAME)
4281 #ifdef HAS_GETPROTOBYNAME
4282 pent = PerlSock_getprotobyname(POPpx);
4284 DIE(PL_no_sock_func, "getprotobyname");
4286 else if (which == OP_GPBYNUMBER)
4287 #ifdef HAS_GETPROTOBYNUMBER
4288 pent = PerlSock_getprotobynumber(POPi);
4290 DIE(PL_no_sock_func, "getprotobynumber");
4293 #ifdef HAS_GETPROTOENT
4294 pent = PerlSock_getprotoent();
4296 DIE(PL_no_sock_func, "getprotoent");
4300 if (GIMME != G_ARRAY) {
4301 PUSHs(sv = sv_newmortal());
4303 if (which == OP_GPBYNAME)
4304 sv_setiv(sv, (IV)pent->p_proto);
4306 sv_setpv(sv, pent->p_name);
4312 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4313 sv_setpv(sv, pent->p_name);
4314 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4315 for (elem = pent->p_aliases; elem && *elem; elem++) {
4316 sv_catpv(sv, *elem);
4318 sv_catpvn(sv, " ", 1);
4320 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4321 sv_setiv(sv, (IV)pent->p_proto);
4326 DIE(PL_no_sock_func, "getprotoent");
4332 #ifdef HAS_GETSERVBYNAME
4333 return pp_gservent(ARGS);
4335 DIE(PL_no_sock_func, "getservbyname");
4341 #ifdef HAS_GETSERVBYPORT
4342 return pp_gservent(ARGS);
4344 DIE(PL_no_sock_func, "getservbyport");
4351 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4352 I32 which = PL_op->op_type;
4353 register char **elem;
4355 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4356 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4357 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4358 struct servent *PerlSock_getservent(void);
4360 struct servent *sent;
4363 if (which == OP_GSBYNAME) {
4364 #ifdef HAS_GETSERVBYNAME
4365 char *proto = POPpx;
4368 if (proto && !*proto)
4371 sent = PerlSock_getservbyname(name, proto);
4373 DIE(PL_no_sock_func, "getservbyname");
4376 else if (which == OP_GSBYPORT) {
4377 #ifdef HAS_GETSERVBYPORT
4378 char *proto = POPpx;
4379 unsigned short port = POPu;
4382 port = PerlSock_htons(port);
4384 sent = PerlSock_getservbyport(port, proto);
4386 DIE(PL_no_sock_func, "getservbyport");
4390 #ifdef HAS_GETSERVENT
4391 sent = PerlSock_getservent();
4393 DIE(PL_no_sock_func, "getservent");
4397 if (GIMME != G_ARRAY) {
4398 PUSHs(sv = sv_newmortal());
4400 if (which == OP_GSBYNAME) {
4402 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4404 sv_setiv(sv, (IV)(sent->s_port));
4408 sv_setpv(sv, sent->s_name);
4414 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4415 sv_setpv(sv, sent->s_name);
4416 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4417 for (elem = sent->s_aliases; elem && *elem; elem++) {
4418 sv_catpv(sv, *elem);
4420 sv_catpvn(sv, " ", 1);
4422 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4424 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4426 sv_setiv(sv, (IV)(sent->s_port));
4428 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4429 sv_setpv(sv, sent->s_proto);
4434 DIE(PL_no_sock_func, "getservent");
4441 #ifdef HAS_SETHOSTENT
4442 PerlSock_sethostent(TOPi);
4445 DIE(PL_no_sock_func, "sethostent");
4452 #ifdef HAS_SETNETENT
4453 PerlSock_setnetent(TOPi);
4456 DIE(PL_no_sock_func, "setnetent");
4463 #ifdef HAS_SETPROTOENT
4464 PerlSock_setprotoent(TOPi);
4467 DIE(PL_no_sock_func, "setprotoent");
4474 #ifdef HAS_SETSERVENT
4475 PerlSock_setservent(TOPi);
4478 DIE(PL_no_sock_func, "setservent");
4485 #ifdef HAS_ENDHOSTENT
4486 PerlSock_endhostent();
4490 DIE(PL_no_sock_func, "endhostent");
4497 #ifdef HAS_ENDNETENT
4498 PerlSock_endnetent();
4502 DIE(PL_no_sock_func, "endnetent");
4509 #ifdef HAS_ENDPROTOENT
4510 PerlSock_endprotoent();
4514 DIE(PL_no_sock_func, "endprotoent");
4521 #ifdef HAS_ENDSERVENT
4522 PerlSock_endservent();
4526 DIE(PL_no_sock_func, "endservent");
4533 return pp_gpwent(ARGS);
4535 DIE(PL_no_func, "getpwnam");
4542 return pp_gpwent(ARGS);
4544 DIE(PL_no_func, "getpwuid");
4551 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4552 I32 which = PL_op->op_type;
4554 struct passwd *pwent;
4557 struct spwd *spwent;
4560 if (which == OP_GPWNAM)
4561 pwent = getpwnam(POPpx);
4562 else if (which == OP_GPWUID)
4563 pwent = getpwuid(POPi);
4565 pwent = (struct passwd *)getpwent();
4568 if (which == OP_GPWNAM)
4569 spwent = getspnam(pwent->pw_name);
4570 else if (which == OP_GPWUID)
4571 spwent = getspnam(pwent->pw_name);
4573 spwent = (struct spwd *)getspent();
4577 if (GIMME != G_ARRAY) {
4578 PUSHs(sv = sv_newmortal());
4580 if (which == OP_GPWNAM)
4581 sv_setiv(sv, (IV)pwent->pw_uid);
4583 sv_setpv(sv, pwent->pw_name);
4589 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4590 sv_setpv(sv, pwent->pw_name);
4592 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4596 sv_setpv(sv, spwent->sp_pwdp);
4598 sv_setpv(sv, pwent->pw_passwd);
4600 sv_setpv(sv, pwent->pw_passwd);
4604 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4605 sv_setiv(sv, (IV)pwent->pw_uid);
4607 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4608 sv_setiv(sv, (IV)pwent->pw_gid);
4610 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4611 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4613 sv_setiv(sv, (IV)pwent->pw_change);
4616 sv_setiv(sv, (IV)pwent->pw_quota);
4619 sv_setpv(sv, pwent->pw_age);
4624 /* pw_class and pw_comment are mutually exclusive. */
4625 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4627 sv_setpv(sv, pwent->pw_class);
4630 sv_setpv(sv, pwent->pw_comment);
4634 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4636 sv_setpv(sv, pwent->pw_gecos);
4638 #ifndef INCOMPLETE_TAINTS
4639 /* pw_gecos is tainted because user himself can diddle with it. */
4643 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4644 sv_setpv(sv, pwent->pw_dir);
4646 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4647 sv_setpv(sv, pwent->pw_shell);
4650 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4651 sv_setiv(sv, (IV)pwent->pw_expire);
4656 DIE(PL_no_func, "getpwent");
4663 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4670 DIE(PL_no_func, "setpwent");
4677 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4684 DIE(PL_no_func, "endpwent");
4691 return pp_ggrent(ARGS);
4693 DIE(PL_no_func, "getgrnam");
4700 return pp_ggrent(ARGS);
4702 DIE(PL_no_func, "getgrgid");
4709 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4710 I32 which = PL_op->op_type;
4711 register char **elem;
4713 struct group *grent;
4716 if (which == OP_GGRNAM)
4717 grent = (struct group *)getgrnam(POPpx);
4718 else if (which == OP_GGRGID)
4719 grent = (struct group *)getgrgid(POPi);
4721 grent = (struct group *)getgrent();
4724 if (GIMME != G_ARRAY) {
4725 PUSHs(sv = sv_newmortal());
4727 if (which == OP_GGRNAM)
4728 sv_setiv(sv, (IV)grent->gr_gid);
4730 sv_setpv(sv, grent->gr_name);
4736 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4737 sv_setpv(sv, grent->gr_name);
4739 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4741 sv_setpv(sv, grent->gr_passwd);
4744 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4745 sv_setiv(sv, (IV)grent->gr_gid);
4747 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4748 for (elem = grent->gr_mem; elem && *elem; elem++) {
4749 sv_catpv(sv, *elem);
4751 sv_catpvn(sv, " ", 1);
4757 DIE(PL_no_func, "getgrent");
4764 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4768 DIE(PL_no_func, "setgrent");
4775 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4779 DIE(PL_no_func, "endgrent");
4789 if (!(tmps = PerlProc_getlogin()))
4791 PUSHp(tmps, strlen(tmps));
4794 DIE(PL_no_func, "getlogin");
4798 /* Miscellaneous. */
4803 djSP; dMARK; dORIGMARK; dTARGET;
4804 register I32 items = SP - MARK;
4805 unsigned long a[20];
4812 while (++MARK <= SP) {
4813 if (SvTAINTED(*MARK)) {
4819 TAINT_PROPER("syscall");
4822 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4823 * or where sizeof(long) != sizeof(char*). But such machines will
4824 * not likely have syscall implemented either, so who cares?
4826 while (++MARK <= SP) {
4827 if (SvNIOK(*MARK) || !i)
4828 a[i++] = SvIV(*MARK);
4829 else if (*MARK == &PL_sv_undef)
4832 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4838 DIE("Too many args to syscall");
4840 DIE("Too few args to syscall");
4842 retval = syscall(a[0]);
4845 retval = syscall(a[0],a[1]);
4848 retval = syscall(a[0],a[1],a[2]);
4851 retval = syscall(a[0],a[1],a[2],a[3]);
4854 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4857 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4860 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4863 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4867 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4870 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4873 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4877 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],
4886 a[10],a[11],a[12],a[13]);
4888 #endif /* atarist */
4894 DIE(PL_no_func, "syscall");
4898 #ifdef FCNTL_EMULATE_FLOCK
4900 /* XXX Emulate flock() with fcntl().
4901 What's really needed is a good file locking module.
4905 fcntl_emulate_flock(int fd, int operation)
4909 switch (operation & ~LOCK_NB) {
4911 flock.l_type = F_RDLCK;
4914 flock.l_type = F_WRLCK;
4917 flock.l_type = F_UNLCK;
4923 flock.l_whence = SEEK_SET;
4924 flock.l_start = flock.l_len = 0L;
4926 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4929 #endif /* FCNTL_EMULATE_FLOCK */
4931 #ifdef LOCKF_EMULATE_FLOCK
4933 /* XXX Emulate flock() with lockf(). This is just to increase
4934 portability of scripts. The calls are not completely
4935 interchangeable. What's really needed is a good file
4939 /* The lockf() constants might have been defined in <unistd.h>.
4940 Unfortunately, <unistd.h> causes troubles on some mixed
4941 (BSD/POSIX) systems, such as SunOS 4.1.3.
4943 Further, the lockf() constants aren't POSIX, so they might not be
4944 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4945 just stick in the SVID values and be done with it. Sigh.
4949 # define F_ULOCK 0 /* Unlock a previously locked region */
4952 # define F_LOCK 1 /* Lock a region for exclusive use */
4955 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4958 # define F_TEST 3 /* Test a region for other processes locks */
4962 lockf_emulate_flock (fd, operation)
4970 /* flock locks entire file so for lockf we need to do the same */
4972 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4973 if (pos > 0) /* is seekable and needs to be repositioned */
4974 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4975 pos = -1; /* seek failed, so don't seek back afterwards */
4978 switch (operation) {
4980 /* LOCK_SH - get a shared lock */
4982 /* LOCK_EX - get an exclusive lock */
4984 i = lockf (fd, F_LOCK, 0);
4987 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4988 case LOCK_SH|LOCK_NB:
4989 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4990 case LOCK_EX|LOCK_NB:
4991 i = lockf (fd, F_TLOCK, 0);
4993 if ((errno == EAGAIN) || (errno == EACCES))
4994 errno = EWOULDBLOCK;
4997 /* LOCK_UN - unlock (non-blocking is a no-op) */
4999 case LOCK_UN|LOCK_NB:
5000 i = lockf (fd, F_ULOCK, 0);
5003 /* Default - can't decipher operation */
5010 if (pos > 0) /* need to restore position of the handle */
5011 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5016 #endif /* LOCKF_EMULATE_FLOCK */