3 * Copyright (c) 1991-1997, 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.
20 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
26 # include <sys/wait.h>
30 # include <sys/resource.h>
33 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
34 # include <sys/socket.h>
38 # include <net/errno.h>
45 #include <sys/select.h>
57 struct passwd *getpwnam _((char *));
58 struct passwd *getpwuid _((Uid_t));
60 struct passwd *getpwent _((void));
67 struct group *getgrnam _((char *));
68 struct group *getgrgid _((Gid_t));
70 struct group *getgrent _((void));
75 # include <sys/utime.h>
87 /* Put this after #includes because fork and vfork prototypes may conflict. */
92 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
94 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
95 # define Sock_size_t Size_t
97 # define Sock_size_t int
101 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
102 static int dooneliner _((char *cmd, char *filename));
106 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
109 # define my_chsize chsize
114 #else /* no flock() */
116 /* fcntl.h might not have been included, even if it exists, because
117 the current Configure only sets I_FCNTL if it's needed to pick up
118 the *_OK constants. Make sure it has been included before testing
119 the fcntl() locking constants. */
120 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
124 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
125 # define FLOCK fcntl_emulate_flock
126 # define FCNTL_EMULATE_FLOCK
127 # else /* no flock() or fcntl(F_SETLK,...) */
129 # define FLOCK lockf_emulate_flock
130 # define LOCKF_EMULATE_FLOCK
132 # endif /* no flock() or fcntl(F_SETLK,...) */
135 static int FLOCK _((int, int));
138 * These are the flock() constants. Since this sytems doesn't have
139 * flock(), the values of the constants are probably not available.
153 # endif /* emulating flock() */
155 #endif /* no flock() */
159 # define MAXPATHLEN PATH_MAX
161 # define MAXPATHLEN 1024
166 static char zero_but_true[ZBTLEN + 1] = "0 but true";
178 fp = my_popen(tmps, "r");
180 if (gimme == G_VOID) {
181 while (PerlIO_read(fp, tokenbuf, sizeof tokenbuf) > 0)
185 else if (gimme == G_SCALAR) {
186 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
187 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
198 if (sv_gets(sv, fp, 0) == Nullch) {
202 XPUSHs(sv_2mortal(sv));
203 if (SvLEN(sv) - SvCUR(sv) > 20) {
204 SvLEN_set(sv, SvCUR(sv)+1);
205 Renew(SvPVX(sv), SvLEN(sv), char);
210 STATUS_NATIVE_SET(my_pclose(fp));
211 TAINT; /* "I believe that this is not gratuitous!" */
214 STATUS_NATIVE_SET(-1);
215 if (gimme == G_SCALAR)
230 * The external globbing program may use things we can't control,
231 * so for security reasons we must assume the worst.
234 taint_proper(no_security, "glob");
238 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
239 last_in_gv = (GV*)*stack_sp--;
241 SAVESPTR(rs); /* This is not permanent, either. */
242 rs = sv_2mortal(newSVpv("", 1));
249 result = do_readline();
256 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
257 return do_readline();
262 last_in_gv = cGVOP->op_gv;
263 return do_readline();
270 if (SP - MARK != 1) {
272 do_join(TARG, &sv_no, MARK, SP);
273 tmps = SvPV(TARG, na);
277 tmps = SvPV(TOPs, na);
279 if (!tmps || !*tmps) {
280 SV *error = GvSV(errgv);
281 (void)SvUPGRADE(error, SVt_PV);
282 if (SvPOK(error) && SvCUR(error))
283 sv_catpv(error, "\t...caught");
284 tmps = SvPV(error, na);
287 tmps = "Warning: something's wrong";
296 if (SP - MARK != 1) {
298 do_join(TARG, &sv_no, MARK, SP);
299 tmps = SvPV(TARG, na);
303 tmps = SvPV(TOPs, na);
305 if (!tmps || !*tmps) {
306 SV *error = GvSV(errgv);
307 (void)SvUPGRADE(error, SVt_PV);
308 if (SvPOK(error) && SvCUR(error))
309 sv_catpv(error, "\t...propagated");
310 tmps = SvPV(error, na);
330 DIE(no_usym, "filehandle");
335 DIE(no_usym, "filehandle");
337 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
338 tmps = SvPV(sv, len);
339 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp))
340 PUSHi( (I32)forkprocess );
341 else if (forkprocess == 0) /* we are a new child */
358 PUSHs(boolSV(do_close(gv, TRUE)));
378 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
379 DIE(no_usym, "filehandle");
384 do_close(rgv, FALSE);
386 do_close(wgv, FALSE);
391 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
392 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
393 IoIFP(wstio) = IoOFP(wstio);
397 if (!IoIFP(rstio) || !IoOFP(wstio)) {
398 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
400 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
410 DIE(no_func, "pipe");
423 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
425 PUSHi(PerlIO_fileno(fp));
441 TAINT_PROPER("umask");
444 DIE(no_func, "Unsupported function umask");
462 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
467 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
472 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1) {
473 #if defined(WIN32) && defined(__BORLANDC__)
474 /* The translation mode of the stream is maintained independent
475 * of the translation mode of the fd in the Borland RTL (heavy
476 * digging through their runtime sources reveal). User has to
477 * set the mode explicitly for the stream (though they don't
478 * document this anywhere). GSAR 97-5-24
480 PerlIO_seek(fp,0L,0);
489 #if defined(USEMYBINMODE)
490 if (my_binmode(fp,IoTYPE(io)) != NULL)
509 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
510 I32 markoff = mark - stack_base - 1;
512 bool oldcatch = CATCH_GET;
515 if (SvTYPE(varsv) == SVt_PVHV)
516 methname = "TIEHASH";
517 else if (SvTYPE(varsv) == SVt_PVAV)
518 methname = "TIEARRAY";
519 else if (SvTYPE(varsv) == SVt_PVGV)
520 methname = "TIEHANDLE";
522 methname = "TIESCALAR";
524 stash = gv_stashsv(mark[1], FALSE);
525 if (!stash || !(gv = gv_fetchmethod(stash, methname)))
526 DIE("Can't locate object method \"%s\" via package \"%s\"",
527 methname, SvPV(mark[1],na));
529 Zero(&myop, 1, BINOP);
530 myop.op_last = (OP *) &myop;
531 myop.op_next = Nullop;
532 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
538 if (PERLDB_SUB && curstash != debstash)
539 op->op_private |= OPpENTERSUB_DB;
541 XPUSHs((SV*)GvCV(gv));
544 if (op = pp_entersub())
550 if (sv_isobject(sv)) {
551 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
552 sv_unmagic(varsv, 'P');
553 sv_magic(varsv, sv, 'P', Nullch, 0);
556 sv_unmagic(varsv, 'q');
557 sv_magic(varsv, sv, 'q', Nullch, 0);
561 SP = stack_base + markoff;
576 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
577 mg = mg_find(sv, 'P') ;
579 mg = mg_find(sv, 'q') ;
581 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
582 warn("untie attempted while %lu inner references still exist",
583 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
587 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
602 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
603 mg = mg_find(sv, 'P') ;
605 mg = mg_find(sv, 'q') ;
608 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
625 bool oldcatch = CATCH_GET;
629 sv = sv_mortalcopy(&sv_no);
630 sv_setpv(sv, "AnyDBM_File");
631 stash = gv_stashsv(sv, FALSE);
632 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
634 perl_require_pv("AnyDBM_File.pm");
636 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
637 DIE("No dbm on this machine");
640 Zero(&myop, 1, BINOP);
641 myop.op_last = (OP *) &myop;
642 myop.op_next = Nullop;
643 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
649 if (PERLDB_SUB && curstash != debstash)
650 op->op_private |= OPpENTERSUB_DB;
658 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
660 PUSHs(sv_2mortal(newSViv(O_RDWR)));
662 PUSHs((SV*)GvCV(gv));
665 if (op = pp_entersub())
669 if (!sv_isobject(TOPs)) {
677 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
679 PUSHs((SV*)GvCV(gv));
682 if (op = pp_entersub())
688 if (sv_isobject(TOPs))
689 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
696 return pp_untie(ARGS);
710 struct timeval timebuf;
711 struct timeval *tbuf = &timebuf;
714 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
719 # if BYTEORDER & 0xf0000
720 # define ORDERBYTE (0x88888888 - BYTEORDER)
722 # define ORDERBYTE (0x4444 - BYTEORDER)
728 for (i = 1; i <= 3; i++) {
736 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
737 #if defined(__linux__) || defined(OS2)
738 growsize = sizeof(fd_set);
740 growsize = maxlen; /* little endians can use vecs directly */
749 masksize = NFDBITS / NBBY;
751 masksize = sizeof(long); /* documented int, everyone seems to use long */
753 growsize = maxlen + (masksize - (maxlen % masksize));
754 Zero(&fd_sets[0], 4, char*);
762 timebuf.tv_sec = (long)value;
763 value -= (double)timebuf.tv_sec;
764 timebuf.tv_usec = (long)(value * 1000000.0);
767 tbuf = Null(struct timeval*);
769 for (i = 1; i <= 3; i++) {
776 SvPV_force(sv,na); /* force string conversion */
779 Sv_Grow(sv, growsize);
783 while (++j <= growsize) {
787 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
789 New(403, fd_sets[i], growsize, char);
790 for (offset = 0; offset < growsize; offset += masksize) {
791 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
792 fd_sets[i][j+offset] = s[(k % masksize) + offset];
795 fd_sets[i] = SvPVX(sv);
801 (Select_fd_set_t) fd_sets[1],
802 (Select_fd_set_t) fd_sets[2],
803 (Select_fd_set_t) fd_sets[3],
805 for (i = 1; i <= 3; i++) {
808 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
810 for (offset = 0; offset < growsize; offset += masksize) {
811 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
812 s[(k % masksize) + offset] = fd_sets[i][j+offset];
814 Safefree(fd_sets[i]);
821 if (GIMME == G_ARRAY && tbuf) {
822 value = (double)(timebuf.tv_sec) +
823 (double)(timebuf.tv_usec) / 1000000.0;
824 PUSHs(sv = sv_mortalcopy(&sv_no));
829 DIE("select not implemented");
838 (void)SvREFCNT_inc(gv);
840 SvREFCNT_dec(defoutgv);
850 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
852 egv = GvEGV(defoutgv);
859 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
860 if (gvp && *gvp == egv) {
861 gv_efullname3(TARG, defoutgv, Nullch);
865 XPUSHs(sv_2mortal(newRV((SV*)egv)));
870 if (!GvIO(newdefout))
872 setdefout(newdefout);
891 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
897 perl_call_method("GETC", gimme);
900 if (gimme == G_SCALAR)
901 SvSetMagicSV_nosteal(TARG, TOPs);
904 if (!gv || do_eof(gv)) /* make sure we have fp with something */
908 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
915 return pp_sysread(ARGS);
924 register CONTEXT *cx;
926 AV* padlist = CvPADLIST(cv);
927 SV** svp = AvARRAY(padlist);
933 PUSHBLOCK(cx, CXt_SUB, stack_sp);
936 curpad = AvARRAY((AV*)svp[1]);
938 setdefout(gv); /* locally select filehandle so $% et al work */
970 SV *tmpsv = sv_newmortal();
971 gv_efullname3(tmpsv, fgv, Nullch);
972 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
974 DIE("Not a format reference");
977 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
979 IoFLAGS(io) &= ~IOf_DIDTOP;
980 return doform(cv,gv,op->op_next);
986 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
987 register IO *io = GvIOp(gv);
988 PerlIO *ofp = IoOFP(io);
992 register CONTEXT *cx;
994 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
995 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
996 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
997 formtarget != toptarget)
1001 if (!IoTOP_GV(io)) {
1005 if (!IoTOP_NAME(io)) {
1006 if (!IoFMT_NAME(io))
1007 IoFMT_NAME(io) = savepv(GvNAME(gv));
1008 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1009 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1010 if ((topgv && GvFORM(topgv)) ||
1011 !gv_fetchpv("top",FALSE,SVt_PVFM))
1012 IoTOP_NAME(io) = savepv(SvPVX(topname));
1014 IoTOP_NAME(io) = savepv("top");
1016 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1017 if (!topgv || !GvFORM(topgv)) {
1018 IoLINES_LEFT(io) = 100000000;
1021 IoTOP_GV(io) = topgv;
1023 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1024 I32 lines = IoLINES_LEFT(io);
1025 char *s = SvPVX(formtarget);
1026 if (lines <= 0) /* Yow, header didn't even fit!!! */
1028 while (lines-- > 0) {
1029 s = strchr(s, '\n');
1035 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1036 sv_chop(formtarget, s);
1037 FmLINES(formtarget) -= IoLINES_LEFT(io);
1040 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1041 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1042 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1044 formtarget = toptarget;
1045 IoFLAGS(io) |= IOf_DIDTOP;
1048 DIE("bad top format reference");
1051 SV *tmpsv = sv_newmortal();
1052 gv_efullname3(tmpsv, fgv, Nullch);
1053 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1056 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1057 return doform(cv,gv,op);
1069 warn("Filehandle only opened for input");
1071 warn("Write on closed filehandle");
1076 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1078 warn("page overflow");
1080 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1084 FmLINES(formtarget) = 0;
1085 SvCUR_set(formtarget, 0);
1086 *SvEND(formtarget) = '\0';
1087 if (IoFLAGS(io) & IOf_FLUSH)
1088 (void)PerlIO_flush(fp);
1092 formtarget = bodytarget;
1094 return pop_return();
1099 dSP; dMARK; dORIGMARK;
1106 if (op->op_flags & OPf_STACKED)
1111 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1112 if (MARK == ORIGMARK) {
1115 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1122 perl_call_method("PRINTF", G_SCALAR);
1125 MARK = ORIGMARK + 1;
1132 if (!(io = GvIO(gv))) {
1134 gv_fullname3(sv, gv, Nullch);
1135 warn("Filehandle %s never opened", SvPV(sv,na));
1137 SETERRNO(EBADF,RMS$_IFI);
1140 else if (!(fp = IoOFP(io))) {
1142 gv_fullname3(sv, gv, Nullch);
1144 warn("Filehandle %s opened only for input", SvPV(sv,na));
1146 warn("printf on closed filehandle %s", SvPV(sv,na));
1148 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1152 #ifdef USE_LOCALE_NUMERIC
1153 if (op->op_private & OPpLOCALE)
1154 SET_NUMERIC_LOCAL();
1156 SET_NUMERIC_STANDARD();
1158 do_sprintf(sv, SP - MARK, MARK + 1);
1159 if (!do_print(sv, fp))
1162 if (IoFLAGS(io) & IOf_FLUSH)
1163 if (PerlIO_flush(fp) == EOF)
1195 tmps = SvPV(sv, len);
1196 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1197 IoLINES(GvIOp(gv)) = 0;
1208 dSP; dMARK; dORIGMARK; dTARGET;
1214 Sock_size_t bufsize;
1220 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1221 SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1228 perl_call_method("READ", G_SCALAR);
1241 sv_setpvn(bufsv, "", 0);
1242 buffer = SvPV_force(bufsv, blen);
1243 length = SvIVx(*++MARK);
1245 DIE("Negative length");
1248 offset = SvIVx(*++MARK);
1252 if (!io || !IoIFP(io))
1255 if (op->op_type == OP_RECV) {
1256 char namebuf[MAXPATHLEN];
1257 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1258 bufsize = sizeof (struct sockaddr_in);
1260 bufsize = sizeof namebuf;
1262 buffer = SvGROW(bufsv, length+1);
1263 /* 'offset' means 'flags' here */
1264 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1265 (struct sockaddr *)namebuf, &bufsize);
1268 SvCUR_set(bufsv, length);
1269 *SvEND(bufsv) = '\0';
1270 (void)SvPOK_only(bufsv);
1272 /* This should not be marked tainted if the fp is marked clean */
1273 if (!(IoFLAGS(io) & IOf_UNTAINT))
1274 SvTAINTED_on(bufsv);
1276 sv_setpvn(TARG, namebuf, bufsize);
1281 if (op->op_type == OP_RECV)
1282 DIE(no_sock_func, "recv");
1286 DIE("Offset outside string");
1289 bufsize = SvCUR(bufsv);
1290 buffer = SvGROW(bufsv, length+offset+1);
1291 if (offset > bufsize) { /* Zero any newly allocated space */
1292 Zero(buffer+bufsize, offset-bufsize, char);
1294 if (op->op_type == OP_SYSREAD) {
1295 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1298 #ifdef HAS_SOCKET__bad_code_maybe
1299 if (IoTYPE(io) == 's') {
1300 char namebuf[MAXPATHLEN];
1301 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1302 bufsize = sizeof (struct sockaddr_in);
1304 bufsize = sizeof namebuf;
1306 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1307 (struct sockaddr *)namebuf, &bufsize);
1311 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1314 SvCUR_set(bufsv, length+offset);
1315 *SvEND(bufsv) = '\0';
1316 (void)SvPOK_only(bufsv);
1318 /* This should not be marked tainted if the fp is marked clean */
1319 if (!(IoFLAGS(io) & IOf_UNTAINT))
1320 SvTAINTED_on(bufsv);
1332 return pp_send(ARGS);
1337 dSP; dMARK; dORIGMARK; dTARGET;
1350 buffer = SvPV(bufsv, blen);
1351 length = SvIVx(*++MARK);
1353 DIE("Negative length");
1356 if (!io || !IoIFP(io)) {
1359 if (op->op_type == OP_SYSWRITE)
1360 warn("Syswrite on closed filehandle");
1362 warn("Send on closed socket");
1365 else if (op->op_type == OP_SYSWRITE) {
1367 offset = SvIVx(*++MARK);
1370 DIE("Offset outside string");
1372 } else if (offset >= blen)
1373 DIE("Offset outside string");
1376 if (length > blen - offset)
1377 length = blen - offset;
1378 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1381 else if (SP > MARK) {
1384 sockbuf = SvPVx(*++MARK, mlen);
1385 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1386 (struct sockaddr *)sockbuf, mlen);
1389 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1393 DIE(no_sock_func, "send");
1408 return pp_sysread(ARGS);
1419 gv = last_in_gv = (GV*)POPs;
1420 PUSHs(boolSV(!gv || do_eof(gv)));
1432 gv = last_in_gv = (GV*)POPs;
1433 PUSHi( do_tell(gv) );
1439 return pp_sysseek(ARGS);
1449 gv = last_in_gv = (GV*)POPs;
1450 if (op->op_type == OP_SEEK)
1451 PUSHs(boolSV(do_seek(gv, offset, whence)));
1453 long n = do_sysseek(gv, offset, whence);
1454 PUSHs((n < 0) ? &sv_undef
1455 : sv_2mortal(n ? newSViv((IV)n)
1456 : newSVpv(zero_but_true, ZBTLEN)));
1464 Off_t len = (Off_t)POPn;
1469 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1470 if (op->op_flags & OPf_SPECIAL) {
1471 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1473 TAINT_PROPER("truncate");
1474 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1476 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1478 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1486 if (SvTYPE(sv) == SVt_PVGV) {
1487 tmpgv = (GV*)sv; /* *main::FRED for example */
1490 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1491 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1495 name = SvPV(sv, na);
1496 TAINT_PROPER("truncate");
1498 if (truncate(name, len) < 0)
1503 if ((tmpfd = open(name, O_RDWR)) < 0)
1506 if (my_chsize(tmpfd, len) < 0)
1517 SETERRNO(EBADF,RMS$_IFI);
1520 DIE("truncate not implemented");
1526 return pp_ioctl(ARGS);
1533 unsigned int func = U_I(POPn);
1534 int optype = op->op_type;
1540 if (!io || !argsv || !IoIFP(io)) {
1541 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1545 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1548 s = SvPV_force(argsv, len);
1549 need = IOCPARM_LEN(func);
1551 s = Sv_Grow(argsv, need + 1);
1552 SvCUR_set(argsv, need);
1555 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1558 retval = SvIV(argsv);
1559 s = (char*)retval; /* ouch */
1562 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1564 if (optype == OP_IOCTL)
1566 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1568 DIE("ioctl is not implemented");
1572 #if defined(OS2) && defined(__EMX__)
1573 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1575 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1578 DIE("fcntl is not implemented");
1582 if (s[SvCUR(argsv)] != 17)
1583 DIE("Possible memory corruption: %s overflowed 3rd argument",
1585 s[SvCUR(argsv)] = 0; /* put our null back */
1586 SvSETMAGIC(argsv); /* Assume it has changed */
1595 PUSHp(zero_but_true, ZBTLEN);
1615 fp = IoIFP(GvIOp(gv));
1619 (void)PerlIO_flush(fp);
1620 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1627 DIE(no_func, "flock()");
1639 int protocol = POPi;
1647 SETERRNO(EBADF,LIB$_INVARG);
1653 do_close(gv, FALSE);
1655 TAINT_PROPER("socket");
1656 fd = socket(domain, type, protocol);
1659 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1660 IoOFP(io) = PerlIO_fdopen(fd, "w");
1662 if (!IoIFP(io) || !IoOFP(io)) {
1663 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1664 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1665 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1671 DIE(no_sock_func, "socket");
1678 #ifdef HAS_SOCKETPAIR
1683 int protocol = POPi;
1696 do_close(gv1, FALSE);
1698 do_close(gv2, FALSE);
1700 TAINT_PROPER("socketpair");
1701 if (socketpair(domain, type, protocol, fd) < 0)
1703 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1704 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1706 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1707 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1709 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1710 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1711 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1712 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1713 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1714 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1715 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1721 DIE(no_sock_func, "socketpair");
1732 register IO *io = GvIOn(gv);
1735 if (!io || !IoIFP(io))
1738 addr = SvPV(addrsv, len);
1739 TAINT_PROPER("bind");
1740 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1747 warn("bind() on closed fd");
1748 SETERRNO(EBADF,SS$_IVCHAN);
1751 DIE(no_sock_func, "bind");
1762 register IO *io = GvIOn(gv);
1765 if (!io || !IoIFP(io))
1768 addr = SvPV(addrsv, len);
1769 TAINT_PROPER("connect");
1770 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1777 warn("connect() on closed fd");
1778 SETERRNO(EBADF,SS$_IVCHAN);
1781 DIE(no_sock_func, "connect");
1791 register IO *io = GvIOn(gv);
1793 if (!io || !IoIFP(io))
1796 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1803 warn("listen() on closed fd");
1804 SETERRNO(EBADF,SS$_IVCHAN);
1807 DIE(no_sock_func, "listen");
1819 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1820 Sock_size_t len = sizeof saddr;
1832 if (!gstio || !IoIFP(gstio))
1837 do_close(ngv, FALSE);
1839 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1842 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1843 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1844 IoTYPE(nstio) = 's';
1845 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1846 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1847 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1848 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1852 PUSHp((char *)&saddr, len);
1857 warn("accept() on closed fd");
1858 SETERRNO(EBADF,SS$_IVCHAN);
1864 DIE(no_sock_func, "accept");
1874 register IO *io = GvIOn(gv);
1876 if (!io || !IoIFP(io))
1879 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1884 warn("shutdown() on closed fd");
1885 SETERRNO(EBADF,SS$_IVCHAN);
1888 DIE(no_sock_func, "shutdown");
1895 return pp_ssockopt(ARGS);
1897 DIE(no_sock_func, "getsockopt");
1905 int optype = op->op_type;
1908 unsigned int optname;
1914 if (optype == OP_GSOCKOPT)
1915 sv = sv_2mortal(NEWSV(22, 257));
1918 optname = (unsigned int) POPi;
1919 lvl = (unsigned int) POPi;
1923 if (!io || !IoIFP(io))
1926 fd = PerlIO_fileno(IoIFP(io));
1930 (void)SvPOK_only(sv);
1934 if (getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1947 else if (SvOK(sv)) {
1948 aint = (int)SvIV(sv);
1952 if (setsockopt(fd, lvl, optname, buf, len) < 0)
1962 warn("[gs]etsockopt() on closed fd");
1963 SETERRNO(EBADF,SS$_IVCHAN);
1968 DIE(no_sock_func, "setsockopt");
1975 return pp_getpeername(ARGS);
1977 DIE(no_sock_func, "getsockname");
1985 int optype = op->op_type;
1989 register IO *io = GvIOn(gv);
1992 if (!io || !IoIFP(io))
1995 sv = sv_2mortal(NEWSV(22, 257));
1996 (void)SvPOK_only(sv);
2000 fd = PerlIO_fileno(IoIFP(io));
2002 case OP_GETSOCKNAME:
2003 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2006 case OP_GETPEERNAME:
2007 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2009 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2011 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2012 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2013 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2014 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2015 sizeof(u_short) + sizeof(struct in_addr))) {
2022 #ifdef BOGUS_GETNAME_RETURN
2023 /* Interactive Unix, getpeername() and getsockname()
2024 does not return valid namelen */
2025 if (len == BOGUS_GETNAME_RETURN)
2026 len = sizeof(struct sockaddr);
2035 warn("get{sock, peer}name() on closed fd");
2036 SETERRNO(EBADF,SS$_IVCHAN);
2041 DIE(no_sock_func, "getpeername");
2049 return pp_stat(ARGS);
2059 if (op->op_flags & OPf_REF) {
2060 tmpgv = cGVOP->op_gv;
2062 if (tmpgv != defgv) {
2063 laststype = OP_STAT;
2065 sv_setpv(statname, "");
2066 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2067 ? Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2069 if (laststatval < 0)
2074 if (SvTYPE(sv) == SVt_PVGV) {
2078 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2079 tmpgv = (GV*)SvRV(sv);
2082 sv_setpv(statname, SvPV(sv,na));
2085 laststype = op->op_type;
2086 if (op->op_type == OP_LSTAT)
2087 laststatval = lstat(SvPV(statname, na), &statcache);
2090 laststatval = Stat(SvPV(statname, na), &statcache);
2091 if (laststatval < 0) {
2092 if (dowarn && strchr(SvPV(statname, na), '\n'))
2093 warn(warn_nl, "stat");
2099 if (gimme != G_ARRAY) {
2100 if (gimme != G_VOID)
2101 XPUSHs(boolSV(max));
2107 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2108 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2109 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2110 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2111 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2112 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2113 #ifdef USE_STAT_RDEV
2114 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2116 PUSHs(sv_2mortal(newSVpv("", 0)));
2118 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2120 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2121 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2122 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2124 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2125 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2126 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2128 #ifdef USE_STAT_BLOCKS
2129 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2130 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2132 PUSHs(sv_2mortal(newSVpv("", 0)));
2133 PUSHs(sv_2mortal(newSVpv("", 0)));
2141 I32 result = my_stat(ARGS);
2145 if (cando(S_IRUSR, 0, &statcache))
2152 I32 result = my_stat(ARGS);
2156 if (cando(S_IWUSR, 0, &statcache))
2163 I32 result = my_stat(ARGS);
2167 if (cando(S_IXUSR, 0, &statcache))
2174 I32 result = my_stat(ARGS);
2178 if (cando(S_IRUSR, 1, &statcache))
2185 I32 result = my_stat(ARGS);
2189 if (cando(S_IWUSR, 1, &statcache))
2196 I32 result = my_stat(ARGS);
2200 if (cando(S_IXUSR, 1, &statcache))
2207 I32 result = my_stat(ARGS);
2216 return pp_ftrowned(ARGS);
2221 I32 result = my_stat(ARGS);
2225 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2232 I32 result = my_stat(ARGS);
2236 if (!statcache.st_size)
2243 I32 result = my_stat(ARGS);
2247 PUSHi(statcache.st_size);
2253 I32 result = my_stat(ARGS);
2257 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2263 I32 result = my_stat(ARGS);
2267 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2273 I32 result = my_stat(ARGS);
2277 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2283 I32 result = my_stat(ARGS);
2287 if (S_ISSOCK(statcache.st_mode))
2294 I32 result = my_stat(ARGS);
2298 if (S_ISCHR(statcache.st_mode))
2305 I32 result = my_stat(ARGS);
2309 if (S_ISBLK(statcache.st_mode))
2316 I32 result = my_stat(ARGS);
2320 if (S_ISREG(statcache.st_mode))
2327 I32 result = my_stat(ARGS);
2331 if (S_ISDIR(statcache.st_mode))
2338 I32 result = my_stat(ARGS);
2342 if (S_ISFIFO(statcache.st_mode))
2349 I32 result = my_lstat(ARGS);
2353 if (S_ISLNK(statcache.st_mode))
2362 I32 result = my_stat(ARGS);
2366 if (statcache.st_mode & S_ISUID)
2376 I32 result = my_stat(ARGS);
2380 if (statcache.st_mode & S_ISGID)
2390 I32 result = my_stat(ARGS);
2394 if (statcache.st_mode & S_ISVTX)
2406 if (op->op_flags & OPf_REF) {
2411 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2412 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2413 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2414 else if (isDIGIT(*tmps))
2423 #if defined(atarist) /* this will work with atariST. Configure will
2424 make guesses for other systems. */
2425 # define FILE_base(f) ((f)->_base)
2426 # define FILE_ptr(f) ((f)->_ptr)
2427 # define FILE_cnt(f) ((f)->_cnt)
2428 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2438 register STDCHAR *s;
2443 if (op->op_flags & OPf_REF)
2445 else if (isGV(TOPs))
2447 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2448 gv = (GV*)SvRV(POPs);
2459 goto really_filename;
2465 sv_setpv(statname, "");
2468 if (io && IoIFP(io)) {
2469 if (! PerlIO_has_base(IoIFP(io)))
2470 DIE("-T and -B not implemented on filehandles");
2471 laststatval = Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2472 if (laststatval < 0)
2474 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2475 if (op->op_type == OP_FTTEXT)
2479 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2480 i = PerlIO_getc(IoIFP(io));
2482 (void)PerlIO_ungetc(IoIFP(io),i);
2484 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2486 len = PerlIO_get_bufsiz(IoIFP(io));
2487 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2488 /* sfio can have large buffers - limit to 512 */
2494 warn("Test on unopened file <%s>",
2495 GvENAME(cGVOP->op_gv));
2496 SETERRNO(EBADF,RMS$_IFI);
2505 sv_setpv(statname, SvPV(sv, na));
2507 i = open(SvPV(sv, na), O_RDONLY, 0);
2509 i = open(SvPV(sv, na), 0);
2512 if (dowarn && strchr(SvPV(sv, na), '\n'))
2513 warn(warn_nl, "open");
2516 laststatval = Fstat(i, &statcache);
2517 if (laststatval < 0)
2519 len = read(i, tbuf, 512);
2522 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2523 RETPUSHNO; /* special case NFS directories */
2524 RETPUSHYES; /* null file is anything */
2529 /* now scan s to look for textiness */
2530 /* XXX ASCII dependent code */
2532 for (i = 0; i < len; i++, s++) {
2533 if (!*s) { /* null never allowed in text */
2540 *s != '\n' && *s != '\r' && *s != '\b' &&
2541 *s != '\t' && *s != '\f' && *s != 27)
2545 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2553 return pp_fttext(ARGS);
2568 if (!tmps || !*tmps) {
2569 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2571 tmps = SvPV(*svp, na);
2573 if (!tmps || !*tmps) {
2574 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2576 tmps = SvPV(*svp, na);
2578 TAINT_PROPER("chdir");
2579 PUSHi( chdir(tmps) >= 0 );
2581 /* Clear the DEFAULT element of ENV so we'll get the new value
2583 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2590 dSP; dMARK; dTARGET;
2593 value = (I32)apply(op->op_type, MARK, SP);
2598 DIE(no_func, "Unsupported function chown");
2608 TAINT_PROPER("chroot");
2609 PUSHi( chroot(tmps) >= 0 );
2612 DIE(no_func, "chroot");
2618 dSP; dMARK; dTARGET;
2620 value = (I32)apply(op->op_type, MARK, SP);
2628 dSP; dMARK; dTARGET;
2630 value = (I32)apply(op->op_type, MARK, SP);
2638 dSP; dMARK; dTARGET;
2640 value = (I32)apply(op->op_type, MARK, SP);
2652 char *tmps = SvPV(TOPs, na);
2653 TAINT_PROPER("rename");
2655 anum = rename(tmps, tmps2);
2657 if (!(anum = Stat(tmps, &statbuf))) {
2658 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2661 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2662 (void)UNLINK(tmps2);
2663 if (!(anum = link(tmps, tmps2)))
2664 anum = UNLINK(tmps);
2677 char *tmps = SvPV(TOPs, na);
2678 TAINT_PROPER("link");
2679 SETi( link(tmps, tmps2) >= 0 );
2681 DIE(no_func, "Unsupported function link");
2691 char *tmps = SvPV(TOPs, na);
2692 TAINT_PROPER("symlink");
2693 SETi( symlink(tmps, tmps2) >= 0 );
2696 DIE(no_func, "symlink");
2705 char buf[MAXPATHLEN];
2709 len = readlink(tmps, buf, sizeof buf);
2717 RETSETUNDEF; /* just pretend it's a normal file */
2721 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2723 dooneliner(cmd, filename)
2727 char *save_filename = filename;
2733 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2734 strcpy(cmdline, cmd);
2735 strcat(cmdline, " ");
2736 for (s = cmdline + strlen(cmdline); *filename; ) {
2741 myfp = my_popen(cmdline, "r");
2745 SV *tmpsv = sv_newmortal();
2746 /* Need to save/restore 'rs' ?? */
2747 s = sv_gets(tmpsv, myfp, 0);
2748 (void)my_pclose(myfp);
2752 #ifdef HAS_SYS_ERRLIST
2757 /* you don't see this */
2759 #ifdef HAS_SYS_ERRLIST
2767 if (instr(s, errmsg)) {
2774 #define EACCES EPERM
2776 if (instr(s, "cannot make"))
2777 SETERRNO(EEXIST,RMS$_FEX);
2778 else if (instr(s, "existing file"))
2779 SETERRNO(EEXIST,RMS$_FEX);
2780 else if (instr(s, "ile exists"))
2781 SETERRNO(EEXIST,RMS$_FEX);
2782 else if (instr(s, "non-exist"))
2783 SETERRNO(ENOENT,RMS$_FNF);
2784 else if (instr(s, "does not exist"))
2785 SETERRNO(ENOENT,RMS$_FNF);
2786 else if (instr(s, "not empty"))
2787 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2788 else if (instr(s, "cannot access"))
2789 SETERRNO(EACCES,RMS$_PRV);
2791 SETERRNO(EPERM,RMS$_PRV);
2794 else { /* some mkdirs return no failure indication */
2795 anum = (Stat(save_filename, &statbuf) >= 0);
2796 if (op->op_type == OP_RMDIR)
2801 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2817 char *tmps = SvPV(TOPs, na);
2819 TAINT_PROPER("mkdir");
2821 SETi( Mkdir(tmps, mode) >= 0 );
2823 SETi( dooneliner("mkdir", tmps) );
2824 oldumask = umask(0);
2826 chmod(tmps, (mode & ~oldumask) & 0777);
2837 TAINT_PROPER("rmdir");
2839 XPUSHi( rmdir(tmps) >= 0 );
2841 XPUSHi( dooneliner("rmdir", tmps) );
2846 /* Directory calls. */
2851 #if defined(Direntry_t) && defined(HAS_READDIR)
2852 char *dirname = POPp;
2854 register IO *io = GvIOn(gv);
2860 closedir(IoDIRP(io));
2861 if (!(IoDIRP(io) = opendir(dirname)))
2867 SETERRNO(EBADF,RMS$_DIR);
2870 DIE(no_dir_func, "opendir");
2877 #if defined(Direntry_t) && defined(HAS_READDIR)
2879 Direntry_t *readdir _((DIR *));
2881 register Direntry_t *dp;
2883 register IO *io = GvIOn(gv);
2885 if (!io || !IoDIRP(io))
2888 if (GIMME == G_ARRAY) {
2890 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2892 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2894 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2899 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2902 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2904 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2911 SETERRNO(EBADF,RMS$_ISI);
2912 if (GIMME == G_ARRAY)
2917 DIE(no_dir_func, "readdir");
2924 #if defined(HAS_TELLDIR) || defined(telldir)
2925 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2926 long telldir _((DIR *));
2929 register IO *io = GvIOn(gv);
2931 if (!io || !IoDIRP(io))
2934 PUSHi( telldir(IoDIRP(io)) );
2938 SETERRNO(EBADF,RMS$_ISI);
2941 DIE(no_dir_func, "telldir");
2948 #if defined(HAS_SEEKDIR) || defined(seekdir)
2951 register IO *io = GvIOn(gv);
2953 if (!io || !IoDIRP(io))
2956 (void)seekdir(IoDIRP(io), along);
2961 SETERRNO(EBADF,RMS$_ISI);
2964 DIE(no_dir_func, "seekdir");
2971 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2973 register IO *io = GvIOn(gv);
2975 if (!io || !IoDIRP(io))
2978 (void)rewinddir(IoDIRP(io));
2982 SETERRNO(EBADF,RMS$_ISI);
2985 DIE(no_dir_func, "rewinddir");
2992 #if defined(Direntry_t) && defined(HAS_READDIR)
2994 register IO *io = GvIOn(gv);
2996 if (!io || !IoDIRP(io))
2999 #ifdef VOID_CLOSEDIR
3000 closedir(IoDIRP(io));
3002 if (closedir(IoDIRP(io)) < 0) {
3003 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3012 SETERRNO(EBADF,RMS$_IFI);
3015 DIE(no_dir_func, "closedir");
3019 /* Process control. */
3034 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3035 sv_setiv(GvSV(tmpgv), (IV)getpid());
3036 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3041 DIE(no_func, "Unsupported function fork");
3047 #if !defined(DOSISH) || defined(OS2)
3052 childpid = wait4pid(-1, &argflags, 0);
3053 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3057 DIE(no_func, "Unsupported function wait");
3063 #if !defined(DOSISH) || defined(OS2)
3071 childpid = wait4pid(childpid, &argflags, optype);
3072 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3076 DIE(no_func, "Unsupported function wait");
3082 dSP; dMARK; dORIGMARK; dTARGET;
3087 Sigsave_t ihand,qhand; /* place to save signals during system() */
3089 if (SP - MARK == 1) {
3091 char *junk = SvPV(TOPs, na);
3093 TAINT_PROPER("system");
3096 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3097 while ((childpid = vfork()) == -1) {
3098 if (errno != EAGAIN) {
3107 rsignal_save(SIGINT, SIG_IGN, &ihand);
3108 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3110 result = wait4pid(childpid, &status, 0);
3111 } while (result == -1 && errno == EINTR);
3112 (void)rsignal_restore(SIGINT, &ihand);
3113 (void)rsignal_restore(SIGQUIT, &qhand);
3114 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3115 do_execfree(); /* free any memory child malloced on vfork */
3117 PUSHi(STATUS_CURRENT);
3120 if (op->op_flags & OPf_STACKED) {
3121 SV *really = *++MARK;
3122 value = (I32)do_aexec(really, MARK, SP);
3124 else if (SP - MARK != 1)
3125 value = (I32)do_aexec(Nullsv, MARK, SP);
3127 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3130 #else /* ! FORK or VMS or OS/2 */
3131 if (op->op_flags & OPf_STACKED) {
3132 SV *really = *++MARK;
3133 value = (I32)do_aspawn(really, MARK, SP);
3135 else if (SP - MARK != 1)
3136 value = (I32)do_aspawn(Nullsv, MARK, SP);
3138 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3140 STATUS_NATIVE_SET(value);
3143 PUSHi(STATUS_CURRENT);
3144 #endif /* !FORK or VMS */
3150 dSP; dMARK; dORIGMARK; dTARGET;
3153 if (op->op_flags & OPf_STACKED) {
3154 SV *really = *++MARK;
3155 value = (I32)do_aexec(really, MARK, SP);
3157 else if (SP - MARK != 1)
3159 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3161 value = (I32)do_aexec(Nullsv, MARK, SP);
3165 char *junk = SvPV(*SP, na);
3167 TAINT_PROPER("exec");
3170 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3172 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3182 dSP; dMARK; dTARGET;
3185 value = (I32)apply(op->op_type, MARK, SP);
3190 DIE(no_func, "Unsupported function kill");
3198 XPUSHi( getppid() );
3201 DIE(no_func, "getppid");
3217 value = (I32)BSD_GETPGRP(pid);
3219 if (pid != 0 && pid != getpid())
3220 DIE("POSIX getpgrp can't take an argument");
3221 value = (I32)getpgrp();
3226 DIE(no_func, "getpgrp()");
3245 TAINT_PROPER("setpgrp");
3247 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3249 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3250 DIE("POSIX setpgrp can't take an argument");
3251 SETi( setpgrp() >= 0 );
3252 #endif /* USE_BSDPGRP */
3255 DIE(no_func, "setpgrp()");
3264 #ifdef HAS_GETPRIORITY
3267 SETi( getpriority(which, who) );
3270 DIE(no_func, "getpriority()");
3280 #ifdef HAS_SETPRIORITY
3284 TAINT_PROPER("setpriority");
3285 SETi( setpriority(which, who, niceval) >= 0 );
3288 DIE(no_func, "setpriority()");
3298 XPUSHn( time(Null(Time_t*)) );
3300 XPUSHi( time(Null(Time_t*)) );
3305 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3306 to HZ. Probably. For now, assume that if the system
3307 defines HZ, it does so correctly. (Will this break
3309 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3310 it's supported. --AD 9/96.
3326 DIE("times not implemented");
3331 (void)times(×buf);
3333 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3334 /* struct tms, though same data */
3338 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3339 if (GIMME == G_ARRAY) {
3340 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3341 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3342 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3345 #endif /* HAS_TIMES */
3350 return pp_gmtime(ARGS);
3358 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3359 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3360 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3366 when = (Time_t)SvNVx(POPs);
3368 when = (Time_t)SvIVx(POPs);
3371 if (op->op_type == OP_LOCALTIME)
3372 tmbuf = localtime(&when);
3374 tmbuf = gmtime(&when);
3378 if (GIMME != G_ARRAY) {
3383 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3384 dayname[tmbuf->tm_wday],
3385 monname[tmbuf->tm_mon],
3390 tmbuf->tm_year + 1900);
3391 PUSHs(sv_2mortal(tsv));
3394 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3395 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3396 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3397 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3398 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3399 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3400 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3401 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3402 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3413 anum = alarm((unsigned int)anum);
3420 DIE(no_func, "Unsupported function alarm");
3431 (void)time(&lasttime);
3436 sleep((unsigned int)duration);
3439 XPUSHi(when - lasttime);
3443 /* Shared memory. */
3447 return pp_semget(ARGS);
3452 return pp_semctl(ARGS);
3457 return pp_shmwrite(ARGS);
3462 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3463 dSP; dMARK; dTARGET;
3464 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3469 return pp_semget(ARGS);
3473 /* Message passing. */
3477 return pp_semget(ARGS);
3482 return pp_semctl(ARGS);
3487 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3488 dSP; dMARK; dTARGET;
3489 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3494 return pp_semget(ARGS);
3500 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3501 dSP; dMARK; dTARGET;
3502 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3507 return pp_semget(ARGS);
3515 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3516 dSP; dMARK; dTARGET;
3517 int anum = do_ipcget(op->op_type, MARK, SP);
3524 DIE("System V IPC is not implemented on this machine");
3530 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3531 dSP; dMARK; dTARGET;
3532 int anum = do_ipcctl(op->op_type, MARK, SP);
3540 PUSHp(zero_but_true, ZBTLEN);
3544 return pp_semget(ARGS);
3550 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3551 dSP; dMARK; dTARGET;
3552 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3557 return pp_semget(ARGS);
3561 /* Get system info. */
3566 return pp_ghostent(ARGS);
3568 DIE(no_sock_func, "gethostbyname");
3575 return pp_ghostent(ARGS);
3577 DIE(no_sock_func, "gethostbyaddr");
3585 I32 which = op->op_type;
3586 register char **elem;
3588 struct hostent *gethostbyname();
3589 struct hostent *gethostbyaddr();
3590 #ifdef HAS_GETHOSTENT
3591 struct hostent *gethostent();
3593 struct hostent *hent;
3597 if (which == OP_GHBYNAME) {
3598 hent = gethostbyname(POPp);
3600 else if (which == OP_GHBYADDR) {
3601 int addrtype = POPi;
3604 char *addr = SvPV(addrsv, addrlen);
3606 hent = gethostbyaddr(addr, addrlen, addrtype);
3609 #ifdef HAS_GETHOSTENT
3610 hent = gethostent();
3612 DIE("gethostent not implemented");
3615 #ifdef HOST_NOT_FOUND
3617 STATUS_NATIVE_SET(h_errno);
3620 if (GIMME != G_ARRAY) {
3621 PUSHs(sv = sv_newmortal());
3623 if (which == OP_GHBYNAME) {
3625 sv_setpvn(sv, hent->h_addr, hent->h_length);
3628 sv_setpv(sv, (char*)hent->h_name);
3634 PUSHs(sv = sv_mortalcopy(&sv_no));
3635 sv_setpv(sv, (char*)hent->h_name);
3636 PUSHs(sv = sv_mortalcopy(&sv_no));
3637 for (elem = hent->h_aliases; elem && *elem; elem++) {
3638 sv_catpv(sv, *elem);
3640 sv_catpvn(sv, " ", 1);
3642 PUSHs(sv = sv_mortalcopy(&sv_no));
3643 sv_setiv(sv, (IV)hent->h_addrtype);
3644 PUSHs(sv = sv_mortalcopy(&sv_no));
3645 len = hent->h_length;
3646 sv_setiv(sv, (IV)len);
3648 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3649 XPUSHs(sv = sv_mortalcopy(&sv_no));
3650 sv_setpvn(sv, *elem, len);
3653 PUSHs(sv = sv_mortalcopy(&sv_no));
3655 sv_setpvn(sv, hent->h_addr, len);
3660 DIE(no_sock_func, "gethostent");
3667 return pp_gnetent(ARGS);
3669 DIE(no_sock_func, "getnetbyname");
3676 return pp_gnetent(ARGS);
3678 DIE(no_sock_func, "getnetbyaddr");
3686 I32 which = op->op_type;
3687 register char **elem;
3689 struct netent *getnetbyname();
3690 struct netent *getnetbyaddr();
3691 struct netent *getnetent();
3692 struct netent *nent;
3694 if (which == OP_GNBYNAME)
3695 nent = getnetbyname(POPp);
3696 else if (which == OP_GNBYADDR) {
3697 int addrtype = POPi;
3698 unsigned long addr = U_L(POPn);
3699 nent = getnetbyaddr((long)addr, addrtype);
3705 if (GIMME != G_ARRAY) {
3706 PUSHs(sv = sv_newmortal());
3708 if (which == OP_GNBYNAME)
3709 sv_setiv(sv, (IV)nent->n_net);
3711 sv_setpv(sv, nent->n_name);
3717 PUSHs(sv = sv_mortalcopy(&sv_no));
3718 sv_setpv(sv, nent->n_name);
3719 PUSHs(sv = sv_mortalcopy(&sv_no));
3720 for (elem = nent->n_aliases; elem && *elem; elem++) {
3721 sv_catpv(sv, *elem);
3723 sv_catpvn(sv, " ", 1);
3725 PUSHs(sv = sv_mortalcopy(&sv_no));
3726 sv_setiv(sv, (IV)nent->n_addrtype);
3727 PUSHs(sv = sv_mortalcopy(&sv_no));
3728 sv_setiv(sv, (IV)nent->n_net);
3733 DIE(no_sock_func, "getnetent");
3740 return pp_gprotoent(ARGS);
3742 DIE(no_sock_func, "getprotobyname");
3749 return pp_gprotoent(ARGS);
3751 DIE(no_sock_func, "getprotobynumber");
3759 I32 which = op->op_type;
3760 register char **elem;
3762 struct protoent *getprotobyname();
3763 struct protoent *getprotobynumber();
3764 struct protoent *getprotoent();
3765 struct protoent *pent;
3767 if (which == OP_GPBYNAME)
3768 pent = getprotobyname(POPp);
3769 else if (which == OP_GPBYNUMBER)
3770 pent = getprotobynumber(POPi);
3772 pent = getprotoent();
3775 if (GIMME != G_ARRAY) {
3776 PUSHs(sv = sv_newmortal());
3778 if (which == OP_GPBYNAME)
3779 sv_setiv(sv, (IV)pent->p_proto);
3781 sv_setpv(sv, pent->p_name);
3787 PUSHs(sv = sv_mortalcopy(&sv_no));
3788 sv_setpv(sv, pent->p_name);
3789 PUSHs(sv = sv_mortalcopy(&sv_no));
3790 for (elem = pent->p_aliases; elem && *elem; elem++) {
3791 sv_catpv(sv, *elem);
3793 sv_catpvn(sv, " ", 1);
3795 PUSHs(sv = sv_mortalcopy(&sv_no));
3796 sv_setiv(sv, (IV)pent->p_proto);
3801 DIE(no_sock_func, "getprotoent");
3808 return pp_gservent(ARGS);
3810 DIE(no_sock_func, "getservbyname");
3817 return pp_gservent(ARGS);
3819 DIE(no_sock_func, "getservbyport");
3827 I32 which = op->op_type;
3828 register char **elem;
3830 struct servent *getservbyname();
3831 struct servent *getservbynumber();
3832 struct servent *getservent();
3833 struct servent *sent;
3835 if (which == OP_GSBYNAME) {
3839 if (proto && !*proto)
3842 sent = getservbyname(name, proto);
3844 else if (which == OP_GSBYPORT) {
3846 unsigned short port = POPu;
3851 sent = getservbyport(port, proto);
3854 sent = getservent();
3857 if (GIMME != G_ARRAY) {
3858 PUSHs(sv = sv_newmortal());
3860 if (which == OP_GSBYNAME) {
3862 sv_setiv(sv, (IV)ntohs(sent->s_port));
3864 sv_setiv(sv, (IV)(sent->s_port));
3868 sv_setpv(sv, sent->s_name);
3874 PUSHs(sv = sv_mortalcopy(&sv_no));
3875 sv_setpv(sv, sent->s_name);
3876 PUSHs(sv = sv_mortalcopy(&sv_no));
3877 for (elem = sent->s_aliases; elem && *elem; elem++) {
3878 sv_catpv(sv, *elem);
3880 sv_catpvn(sv, " ", 1);
3882 PUSHs(sv = sv_mortalcopy(&sv_no));
3884 sv_setiv(sv, (IV)ntohs(sent->s_port));
3886 sv_setiv(sv, (IV)(sent->s_port));
3888 PUSHs(sv = sv_mortalcopy(&sv_no));
3889 sv_setpv(sv, sent->s_proto);
3894 DIE(no_sock_func, "getservent");
3905 DIE(no_sock_func, "sethostent");
3916 DIE(no_sock_func, "setnetent");
3927 DIE(no_sock_func, "setprotoent");
3938 DIE(no_sock_func, "setservent");
3950 DIE(no_sock_func, "endhostent");
3962 DIE(no_sock_func, "endnetent");
3974 DIE(no_sock_func, "endprotoent");
3986 DIE(no_sock_func, "endservent");
3993 return pp_gpwent(ARGS);
3995 DIE(no_func, "getpwnam");
4002 return pp_gpwent(ARGS);
4004 DIE(no_func, "getpwuid");
4012 I32 which = op->op_type;
4014 struct passwd *pwent;
4016 if (which == OP_GPWNAM)
4017 pwent = getpwnam(POPp);
4018 else if (which == OP_GPWUID)
4019 pwent = getpwuid(POPi);
4021 pwent = (struct passwd *)getpwent();
4024 if (GIMME != G_ARRAY) {
4025 PUSHs(sv = sv_newmortal());
4027 if (which == OP_GPWNAM)
4028 sv_setiv(sv, (IV)pwent->pw_uid);
4030 sv_setpv(sv, pwent->pw_name);
4036 PUSHs(sv = sv_mortalcopy(&sv_no));
4037 sv_setpv(sv, pwent->pw_name);
4038 PUSHs(sv = sv_mortalcopy(&sv_no));
4039 sv_setpv(sv, pwent->pw_passwd);
4040 PUSHs(sv = sv_mortalcopy(&sv_no));
4041 sv_setiv(sv, (IV)pwent->pw_uid);
4042 PUSHs(sv = sv_mortalcopy(&sv_no));
4043 sv_setiv(sv, (IV)pwent->pw_gid);
4044 PUSHs(sv = sv_mortalcopy(&sv_no));
4046 sv_setiv(sv, (IV)pwent->pw_change);
4049 sv_setiv(sv, (IV)pwent->pw_quota);
4052 sv_setpv(sv, pwent->pw_age);
4056 PUSHs(sv = sv_mortalcopy(&sv_no));
4058 sv_setpv(sv, pwent->pw_class);
4061 sv_setpv(sv, pwent->pw_comment);
4064 PUSHs(sv = sv_mortalcopy(&sv_no));
4065 sv_setpv(sv, pwent->pw_gecos);
4066 PUSHs(sv = sv_mortalcopy(&sv_no));
4067 sv_setpv(sv, pwent->pw_dir);
4068 PUSHs(sv = sv_mortalcopy(&sv_no));
4069 sv_setpv(sv, pwent->pw_shell);
4071 PUSHs(sv = sv_mortalcopy(&sv_no));
4072 sv_setiv(sv, (IV)pwent->pw_expire);
4077 DIE(no_func, "getpwent");
4084 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4088 DIE(no_func, "setpwent");
4099 DIE(no_func, "endpwent");
4106 return pp_ggrent(ARGS);
4108 DIE(no_func, "getgrnam");
4115 return pp_ggrent(ARGS);
4117 DIE(no_func, "getgrgid");
4125 I32 which = op->op_type;
4126 register char **elem;
4128 struct group *grent;
4130 if (which == OP_GGRNAM)
4131 grent = (struct group *)getgrnam(POPp);
4132 else if (which == OP_GGRGID)
4133 grent = (struct group *)getgrgid(POPi);
4135 grent = (struct group *)getgrent();
4138 if (GIMME != G_ARRAY) {
4139 PUSHs(sv = sv_newmortal());
4141 if (which == OP_GGRNAM)
4142 sv_setiv(sv, (IV)grent->gr_gid);
4144 sv_setpv(sv, grent->gr_name);
4150 PUSHs(sv = sv_mortalcopy(&sv_no));
4151 sv_setpv(sv, grent->gr_name);
4152 PUSHs(sv = sv_mortalcopy(&sv_no));
4153 sv_setpv(sv, grent->gr_passwd);
4154 PUSHs(sv = sv_mortalcopy(&sv_no));
4155 sv_setiv(sv, (IV)grent->gr_gid);
4156 PUSHs(sv = sv_mortalcopy(&sv_no));
4157 for (elem = grent->gr_mem; elem && *elem; elem++) {
4158 sv_catpv(sv, *elem);
4160 sv_catpvn(sv, " ", 1);
4166 DIE(no_func, "getgrent");
4177 DIE(no_func, "setgrent");
4188 DIE(no_func, "endgrent");
4198 if (!(tmps = getlogin()))
4200 PUSHp(tmps, strlen(tmps));
4203 DIE(no_func, "getlogin");
4207 /* Miscellaneous. */
4212 dSP; dMARK; dORIGMARK; dTARGET;
4213 register I32 items = SP - MARK;
4214 unsigned long a[20];
4220 while (++MARK <= SP) {
4221 if (SvTAINTED(*MARK)) {
4227 TAINT_PROPER("syscall");
4230 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4231 * or where sizeof(long) != sizeof(char*). But such machines will
4232 * not likely have syscall implemented either, so who cares?
4234 while (++MARK <= SP) {
4235 if (SvNIOK(*MARK) || !i)
4236 a[i++] = SvIV(*MARK);
4237 else if (*MARK == &sv_undef)
4240 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4246 DIE("Too many args to syscall");
4248 DIE("Too few args to syscall");
4250 retval = syscall(a[0]);
4253 retval = syscall(a[0],a[1]);
4256 retval = syscall(a[0],a[1],a[2]);
4259 retval = syscall(a[0],a[1],a[2],a[3]);
4262 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4265 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4268 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4271 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4275 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4278 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4281 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4285 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4289 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4293 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4294 a[10],a[11],a[12],a[13]);
4296 #endif /* atarist */
4302 DIE(no_func, "syscall");
4306 #ifdef FCNTL_EMULATE_FLOCK
4308 /* XXX Emulate flock() with fcntl().
4309 What's really needed is a good file locking module.
4313 fcntl_emulate_flock(fd, operation)
4319 switch (operation & ~LOCK_NB) {
4321 flock.l_type = F_RDLCK;
4324 flock.l_type = F_WRLCK;
4327 flock.l_type = F_UNLCK;
4333 flock.l_whence = SEEK_SET;
4334 flock.l_start = flock.l_len = 0L;
4336 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4339 #endif /* FCNTL_EMULATE_FLOCK */
4341 #ifdef LOCKF_EMULATE_FLOCK
4343 /* XXX Emulate flock() with lockf(). This is just to increase
4344 portability of scripts. The calls are not completely
4345 interchangeable. What's really needed is a good file
4349 /* The lockf() constants might have been defined in <unistd.h>.
4350 Unfortunately, <unistd.h> causes troubles on some mixed
4351 (BSD/POSIX) systems, such as SunOS 4.1.3.
4353 Further, the lockf() constants aren't POSIX, so they might not be
4354 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4355 just stick in the SVID values and be done with it. Sigh.
4359 # define F_ULOCK 0 /* Unlock a previously locked region */
4362 # define F_LOCK 1 /* Lock a region for exclusive use */
4365 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4368 # define F_TEST 3 /* Test a region for other processes locks */
4372 lockf_emulate_flock (fd, operation)
4380 /* flock locks entire file so for lockf we need to do the same */
4382 pos = lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4383 if (pos > 0) /* is seekable and needs to be repositioned */
4384 lseek(fd, (Off_t)0, SEEK_SET);
4387 switch (operation) {
4389 /* LOCK_SH - get a shared lock */
4391 /* LOCK_EX - get an exclusive lock */
4393 i = lockf (fd, F_LOCK, 0);
4396 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4397 case LOCK_SH|LOCK_NB:
4398 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4399 case LOCK_EX|LOCK_NB:
4400 i = lockf (fd, F_TLOCK, 0);
4402 if ((errno == EAGAIN) || (errno == EACCES))
4403 errno = EWOULDBLOCK;
4406 /* LOCK_UN - unlock (non-blocking is a no-op) */
4408 case LOCK_UN|LOCK_NB:
4409 i = lockf (fd, F_ULOCK, 0);
4412 /* Default - can't decipher operation */
4419 if (pos > 0) /* need to restore position of the handle */
4420 if (lseek(fd, pos, SEEK_SET) == -1)
4426 #endif /* LOCKF_EMULATE_FLOCK */