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 && curstash != debstash)
539 op->op_private |= OPpENTERSUB_DB;
541 XPUSHs((SV*)GvCV(gv));
544 if (op = pp_entersub(ARGS))
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 && 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(ARGS))
669 if (!sv_isobject(TOPs)) {
677 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
679 PUSHs((SV*)GvCV(gv));
682 if (op = pp_entersub(ARGS))
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");
839 (void)SvREFCNT_inc(gv);
841 SvREFCNT_dec(defoutgv);
851 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
853 egv = GvEGV(defoutgv);
860 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
861 if (gvp && *gvp == egv) {
862 gv_efullname3(TARG, defoutgv, Nullch);
866 XPUSHs(sv_2mortal(newRV((SV*)egv)));
871 if (!GvIO(newdefout))
873 setdefout(newdefout);
892 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
898 perl_call_method("GETC", gimme);
901 if (gimme == G_SCALAR)
902 SvSetMagicSV_nosteal(TARG, TOPs);
905 if (!gv || do_eof(gv)) /* make sure we have fp with something */
909 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
916 return pp_sysread(ARGS);
926 register CONTEXT *cx;
928 AV* padlist = CvPADLIST(cv);
929 SV** svp = AvARRAY(padlist);
935 PUSHBLOCK(cx, CXt_SUB, stack_sp);
938 curpad = AvARRAY((AV*)svp[1]);
940 setdefout(gv); /* locally select filehandle so $% et al work */
972 SV *tmpsv = sv_newmortal();
973 gv_efullname3(tmpsv, fgv, Nullch);
974 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
976 DIE("Not a format reference");
979 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
981 IoFLAGS(io) &= ~IOf_DIDTOP;
982 return doform(cv,gv,op->op_next);
988 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
989 register IO *io = GvIOp(gv);
990 PerlIO *ofp = IoOFP(io);
994 register CONTEXT *cx;
996 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
997 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
998 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
999 formtarget != toptarget)
1003 if (!IoTOP_GV(io)) {
1007 if (!IoTOP_NAME(io)) {
1008 if (!IoFMT_NAME(io))
1009 IoFMT_NAME(io) = savepv(GvNAME(gv));
1010 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1011 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1012 if ((topgv && GvFORM(topgv)) ||
1013 !gv_fetchpv("top",FALSE,SVt_PVFM))
1014 IoTOP_NAME(io) = savepv(SvPVX(topname));
1016 IoTOP_NAME(io) = savepv("top");
1018 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1019 if (!topgv || !GvFORM(topgv)) {
1020 IoLINES_LEFT(io) = 100000000;
1023 IoTOP_GV(io) = topgv;
1025 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1026 I32 lines = IoLINES_LEFT(io);
1027 char *s = SvPVX(formtarget);
1028 if (lines <= 0) /* Yow, header didn't even fit!!! */
1030 while (lines-- > 0) {
1031 s = strchr(s, '\n');
1037 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1038 sv_chop(formtarget, s);
1039 FmLINES(formtarget) -= IoLINES_LEFT(io);
1042 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1043 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1044 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1046 formtarget = toptarget;
1047 IoFLAGS(io) |= IOf_DIDTOP;
1050 DIE("bad top format reference");
1053 SV *tmpsv = sv_newmortal();
1054 gv_efullname3(tmpsv, fgv, Nullch);
1055 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1058 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1059 return doform(cv,gv,op);
1071 warn("Filehandle only opened for input");
1073 warn("Write on closed filehandle");
1078 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1080 warn("page overflow");
1082 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1086 FmLINES(formtarget) = 0;
1087 SvCUR_set(formtarget, 0);
1088 *SvEND(formtarget) = '\0';
1089 if (IoFLAGS(io) & IOf_FLUSH)
1090 (void)PerlIO_flush(fp);
1094 formtarget = bodytarget;
1096 return pop_return();
1101 dSP; dMARK; dORIGMARK;
1108 if (op->op_flags & OPf_STACKED)
1113 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1114 if (MARK == ORIGMARK) {
1117 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1124 perl_call_method("PRINTF", G_SCALAR);
1127 MARK = ORIGMARK + 1;
1134 if (!(io = GvIO(gv))) {
1136 gv_fullname3(sv, gv, Nullch);
1137 warn("Filehandle %s never opened", SvPV(sv,na));
1139 SETERRNO(EBADF,RMS$_IFI);
1142 else if (!(fp = IoOFP(io))) {
1144 gv_fullname3(sv, gv, Nullch);
1146 warn("Filehandle %s opened only for input", SvPV(sv,na));
1148 warn("printf on closed filehandle %s", SvPV(sv,na));
1150 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1154 #ifdef USE_LOCALE_NUMERIC
1155 if (op->op_private & OPpLOCALE)
1156 SET_NUMERIC_LOCAL();
1158 SET_NUMERIC_STANDARD();
1160 do_sprintf(sv, SP - MARK, MARK + 1);
1161 if (!do_print(sv, fp))
1164 if (IoFLAGS(io) & IOf_FLUSH)
1165 if (PerlIO_flush(fp) == EOF)
1197 tmps = SvPV(sv, len);
1198 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1199 IoLINES(GvIOp(gv)) = 0;
1210 dSP; dMARK; dORIGMARK; dTARGET;
1216 Sock_size_t bufsize;
1222 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1223 SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1230 perl_call_method("READ", G_SCALAR);
1243 sv_setpvn(bufsv, "", 0);
1244 buffer = SvPV_force(bufsv, blen);
1245 length = SvIVx(*++MARK);
1247 DIE("Negative length");
1250 offset = SvIVx(*++MARK);
1254 if (!io || !IoIFP(io))
1257 if (op->op_type == OP_RECV) {
1258 char namebuf[MAXPATHLEN];
1259 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1260 bufsize = sizeof (struct sockaddr_in);
1262 bufsize = sizeof namebuf;
1264 buffer = SvGROW(bufsv, length+1);
1265 /* 'offset' means 'flags' here */
1266 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1267 (struct sockaddr *)namebuf, &bufsize);
1270 SvCUR_set(bufsv, length);
1271 *SvEND(bufsv) = '\0';
1272 (void)SvPOK_only(bufsv);
1274 /* This should not be marked tainted if the fp is marked clean */
1275 if (!(IoFLAGS(io) & IOf_UNTAINT))
1276 SvTAINTED_on(bufsv);
1278 sv_setpvn(TARG, namebuf, bufsize);
1283 if (op->op_type == OP_RECV)
1284 DIE(no_sock_func, "recv");
1288 DIE("Offset outside string");
1291 bufsize = SvCUR(bufsv);
1292 buffer = SvGROW(bufsv, length+offset+1);
1293 if (offset > bufsize) { /* Zero any newly allocated space */
1294 Zero(buffer+bufsize, offset-bufsize, char);
1296 if (op->op_type == OP_SYSREAD) {
1297 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1300 #ifdef HAS_SOCKET__bad_code_maybe
1301 if (IoTYPE(io) == 's') {
1302 char namebuf[MAXPATHLEN];
1303 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1304 bufsize = sizeof (struct sockaddr_in);
1306 bufsize = sizeof namebuf;
1308 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1309 (struct sockaddr *)namebuf, &bufsize);
1313 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1316 SvCUR_set(bufsv, length+offset);
1317 *SvEND(bufsv) = '\0';
1318 (void)SvPOK_only(bufsv);
1320 /* This should not be marked tainted if the fp is marked clean */
1321 if (!(IoFLAGS(io) & IOf_UNTAINT))
1322 SvTAINTED_on(bufsv);
1334 return pp_send(ARGS);
1339 dSP; dMARK; dORIGMARK; dTARGET;
1352 buffer = SvPV(bufsv, blen);
1353 length = SvIVx(*++MARK);
1355 DIE("Negative length");
1358 if (!io || !IoIFP(io)) {
1361 if (op->op_type == OP_SYSWRITE)
1362 warn("Syswrite on closed filehandle");
1364 warn("Send on closed socket");
1367 else if (op->op_type == OP_SYSWRITE) {
1369 offset = SvIVx(*++MARK);
1372 DIE("Offset outside string");
1374 } else if (offset >= blen)
1375 DIE("Offset outside string");
1378 if (length > blen - offset)
1379 length = blen - offset;
1380 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1383 else if (SP > MARK) {
1386 sockbuf = SvPVx(*++MARK, mlen);
1387 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1388 (struct sockaddr *)sockbuf, mlen);
1391 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1395 DIE(no_sock_func, "send");
1410 return pp_sysread(ARGS);
1421 gv = last_in_gv = (GV*)POPs;
1422 PUSHs(boolSV(!gv || do_eof(gv)));
1434 gv = last_in_gv = (GV*)POPs;
1435 PUSHi( do_tell(gv) );
1441 return pp_sysseek(ARGS);
1451 gv = last_in_gv = (GV*)POPs;
1452 if (op->op_type == OP_SEEK)
1453 PUSHs(boolSV(do_seek(gv, offset, whence)));
1455 long n = do_sysseek(gv, offset, whence);
1456 PUSHs((n < 0) ? &sv_undef
1457 : sv_2mortal(n ? newSViv((IV)n)
1458 : newSVpv(zero_but_true, ZBTLEN)));
1466 Off_t len = (Off_t)POPn;
1471 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1472 if (op->op_flags & OPf_SPECIAL) {
1473 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1475 TAINT_PROPER("truncate");
1476 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1478 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1480 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1488 if (SvTYPE(sv) == SVt_PVGV) {
1489 tmpgv = (GV*)sv; /* *main::FRED for example */
1492 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1493 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1497 name = SvPV(sv, na);
1498 TAINT_PROPER("truncate");
1500 if (truncate(name, len) < 0)
1505 if ((tmpfd = open(name, O_RDWR)) < 0)
1508 if (my_chsize(tmpfd, len) < 0)
1519 SETERRNO(EBADF,RMS$_IFI);
1522 DIE("truncate not implemented");
1528 return pp_ioctl(ARGS);
1535 unsigned int func = U_I(POPn);
1536 int optype = op->op_type;
1542 if (!io || !argsv || !IoIFP(io)) {
1543 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1547 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1550 s = SvPV_force(argsv, len);
1551 need = IOCPARM_LEN(func);
1553 s = Sv_Grow(argsv, need + 1);
1554 SvCUR_set(argsv, need);
1557 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1560 retval = SvIV(argsv);
1561 s = (char*)retval; /* ouch */
1564 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1566 if (optype == OP_IOCTL)
1568 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1570 DIE("ioctl is not implemented");
1574 #if defined(OS2) && defined(__EMX__)
1575 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1577 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1580 DIE("fcntl is not implemented");
1584 if (s[SvCUR(argsv)] != 17)
1585 DIE("Possible memory corruption: %s overflowed 3rd argument",
1587 s[SvCUR(argsv)] = 0; /* put our null back */
1588 SvSETMAGIC(argsv); /* Assume it has changed */
1597 PUSHp(zero_but_true, ZBTLEN);
1617 fp = IoIFP(GvIOp(gv));
1621 (void)PerlIO_flush(fp);
1622 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1629 DIE(no_func, "flock()");
1641 int protocol = POPi;
1649 SETERRNO(EBADF,LIB$_INVARG);
1655 do_close(gv, FALSE);
1657 TAINT_PROPER("socket");
1658 fd = socket(domain, type, protocol);
1661 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1662 IoOFP(io) = PerlIO_fdopen(fd, "w");
1664 if (!IoIFP(io) || !IoOFP(io)) {
1665 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1666 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1667 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1673 DIE(no_sock_func, "socket");
1680 #ifdef HAS_SOCKETPAIR
1685 int protocol = POPi;
1698 do_close(gv1, FALSE);
1700 do_close(gv2, FALSE);
1702 TAINT_PROPER("socketpair");
1703 if (socketpair(domain, type, protocol, fd) < 0)
1705 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1706 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1708 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1709 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1711 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1712 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1713 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1714 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1715 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1716 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1717 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1723 DIE(no_sock_func, "socketpair");
1734 register IO *io = GvIOn(gv);
1737 if (!io || !IoIFP(io))
1740 addr = SvPV(addrsv, len);
1741 TAINT_PROPER("bind");
1742 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1749 warn("bind() on closed fd");
1750 SETERRNO(EBADF,SS$_IVCHAN);
1753 DIE(no_sock_func, "bind");
1764 register IO *io = GvIOn(gv);
1767 if (!io || !IoIFP(io))
1770 addr = SvPV(addrsv, len);
1771 TAINT_PROPER("connect");
1772 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1779 warn("connect() on closed fd");
1780 SETERRNO(EBADF,SS$_IVCHAN);
1783 DIE(no_sock_func, "connect");
1793 register IO *io = GvIOn(gv);
1795 if (!io || !IoIFP(io))
1798 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1805 warn("listen() on closed fd");
1806 SETERRNO(EBADF,SS$_IVCHAN);
1809 DIE(no_sock_func, "listen");
1821 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1822 Sock_size_t len = sizeof saddr;
1834 if (!gstio || !IoIFP(gstio))
1839 do_close(ngv, FALSE);
1841 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1844 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1845 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1846 IoTYPE(nstio) = 's';
1847 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1848 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1849 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1850 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1854 PUSHp((char *)&saddr, len);
1859 warn("accept() on closed fd");
1860 SETERRNO(EBADF,SS$_IVCHAN);
1866 DIE(no_sock_func, "accept");
1876 register IO *io = GvIOn(gv);
1878 if (!io || !IoIFP(io))
1881 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1886 warn("shutdown() on closed fd");
1887 SETERRNO(EBADF,SS$_IVCHAN);
1890 DIE(no_sock_func, "shutdown");
1897 return pp_ssockopt(ARGS);
1899 DIE(no_sock_func, "getsockopt");
1907 int optype = op->op_type;
1910 unsigned int optname;
1916 if (optype == OP_GSOCKOPT)
1917 sv = sv_2mortal(NEWSV(22, 257));
1920 optname = (unsigned int) POPi;
1921 lvl = (unsigned int) POPi;
1925 if (!io || !IoIFP(io))
1928 fd = PerlIO_fileno(IoIFP(io));
1932 (void)SvPOK_only(sv);
1936 if (getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1949 else if (SvOK(sv)) {
1950 aint = (int)SvIV(sv);
1954 if (setsockopt(fd, lvl, optname, buf, len) < 0)
1964 warn("[gs]etsockopt() on closed fd");
1965 SETERRNO(EBADF,SS$_IVCHAN);
1970 DIE(no_sock_func, "setsockopt");
1977 return pp_getpeername(ARGS);
1979 DIE(no_sock_func, "getsockname");
1987 int optype = op->op_type;
1991 register IO *io = GvIOn(gv);
1994 if (!io || !IoIFP(io))
1997 sv = sv_2mortal(NEWSV(22, 257));
1998 (void)SvPOK_only(sv);
2002 fd = PerlIO_fileno(IoIFP(io));
2004 case OP_GETSOCKNAME:
2005 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2008 case OP_GETPEERNAME:
2009 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2011 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2013 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2014 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2015 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2016 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2017 sizeof(u_short) + sizeof(struct in_addr))) {
2024 #ifdef BOGUS_GETNAME_RETURN
2025 /* Interactive Unix, getpeername() and getsockname()
2026 does not return valid namelen */
2027 if (len == BOGUS_GETNAME_RETURN)
2028 len = sizeof(struct sockaddr);
2037 warn("get{sock, peer}name() on closed fd");
2038 SETERRNO(EBADF,SS$_IVCHAN);
2043 DIE(no_sock_func, "getpeername");
2051 return pp_stat(ARGS);
2061 if (op->op_flags & OPf_REF) {
2062 tmpgv = cGVOP->op_gv;
2064 if (tmpgv != defgv) {
2065 laststype = OP_STAT;
2067 sv_setpv(statname, "");
2068 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2069 ? Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2071 if (laststatval < 0)
2076 if (SvTYPE(sv) == SVt_PVGV) {
2080 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2081 tmpgv = (GV*)SvRV(sv);
2084 sv_setpv(statname, SvPV(sv,na));
2087 laststype = op->op_type;
2088 if (op->op_type == OP_LSTAT)
2089 laststatval = lstat(SvPV(statname, na), &statcache);
2092 laststatval = Stat(SvPV(statname, na), &statcache);
2093 if (laststatval < 0) {
2094 if (dowarn && strchr(SvPV(statname, na), '\n'))
2095 warn(warn_nl, "stat");
2101 if (gimme != G_ARRAY) {
2102 if (gimme != G_VOID)
2103 XPUSHs(boolSV(max));
2109 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2110 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2111 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2112 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2113 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2114 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2115 #ifdef USE_STAT_RDEV
2116 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2118 PUSHs(sv_2mortal(newSVpv("", 0)));
2120 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2122 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2123 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2124 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2126 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2127 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2128 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2130 #ifdef USE_STAT_BLOCKS
2131 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2132 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2134 PUSHs(sv_2mortal(newSVpv("", 0)));
2135 PUSHs(sv_2mortal(newSVpv("", 0)));
2143 I32 result = my_stat(ARGS);
2147 if (cando(S_IRUSR, 0, &statcache))
2154 I32 result = my_stat(ARGS);
2158 if (cando(S_IWUSR, 0, &statcache))
2165 I32 result = my_stat(ARGS);
2169 if (cando(S_IXUSR, 0, &statcache))
2176 I32 result = my_stat(ARGS);
2180 if (cando(S_IRUSR, 1, &statcache))
2187 I32 result = my_stat(ARGS);
2191 if (cando(S_IWUSR, 1, &statcache))
2198 I32 result = my_stat(ARGS);
2202 if (cando(S_IXUSR, 1, &statcache))
2209 I32 result = my_stat(ARGS);
2218 return pp_ftrowned(ARGS);
2223 I32 result = my_stat(ARGS);
2227 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2234 I32 result = my_stat(ARGS);
2238 if (!statcache.st_size)
2245 I32 result = my_stat(ARGS);
2249 PUSHi(statcache.st_size);
2255 I32 result = my_stat(ARGS);
2259 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2265 I32 result = my_stat(ARGS);
2269 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2275 I32 result = my_stat(ARGS);
2279 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2285 I32 result = my_stat(ARGS);
2289 if (S_ISSOCK(statcache.st_mode))
2296 I32 result = my_stat(ARGS);
2300 if (S_ISCHR(statcache.st_mode))
2307 I32 result = my_stat(ARGS);
2311 if (S_ISBLK(statcache.st_mode))
2318 I32 result = my_stat(ARGS);
2322 if (S_ISREG(statcache.st_mode))
2329 I32 result = my_stat(ARGS);
2333 if (S_ISDIR(statcache.st_mode))
2340 I32 result = my_stat(ARGS);
2344 if (S_ISFIFO(statcache.st_mode))
2351 I32 result = my_lstat(ARGS);
2355 if (S_ISLNK(statcache.st_mode))
2364 I32 result = my_stat(ARGS);
2368 if (statcache.st_mode & S_ISUID)
2378 I32 result = my_stat(ARGS);
2382 if (statcache.st_mode & S_ISGID)
2392 I32 result = my_stat(ARGS);
2396 if (statcache.st_mode & S_ISVTX)
2408 if (op->op_flags & OPf_REF) {
2413 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2414 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2415 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2416 else if (isDIGIT(*tmps))
2425 #if defined(atarist) /* this will work with atariST. Configure will
2426 make guesses for other systems. */
2427 # define FILE_base(f) ((f)->_base)
2428 # define FILE_ptr(f) ((f)->_ptr)
2429 # define FILE_cnt(f) ((f)->_cnt)
2430 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2440 register STDCHAR *s;
2445 if (op->op_flags & OPf_REF)
2447 else if (isGV(TOPs))
2449 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2450 gv = (GV*)SvRV(POPs);
2461 goto really_filename;
2467 sv_setpv(statname, "");
2470 if (io && IoIFP(io)) {
2471 if (! PerlIO_has_base(IoIFP(io)))
2472 DIE("-T and -B not implemented on filehandles");
2473 laststatval = Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2474 if (laststatval < 0)
2476 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2477 if (op->op_type == OP_FTTEXT)
2481 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2482 i = PerlIO_getc(IoIFP(io));
2484 (void)PerlIO_ungetc(IoIFP(io),i);
2486 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2488 len = PerlIO_get_bufsiz(IoIFP(io));
2489 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2490 /* sfio can have large buffers - limit to 512 */
2496 warn("Test on unopened file <%s>",
2497 GvENAME(cGVOP->op_gv));
2498 SETERRNO(EBADF,RMS$_IFI);
2507 sv_setpv(statname, SvPV(sv, na));
2509 i = open(SvPV(sv, na), O_RDONLY, 0);
2511 i = open(SvPV(sv, na), 0);
2514 if (dowarn && strchr(SvPV(sv, na), '\n'))
2515 warn(warn_nl, "open");
2518 laststatval = Fstat(i, &statcache);
2519 if (laststatval < 0)
2521 len = read(i, tbuf, 512);
2524 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2525 RETPUSHNO; /* special case NFS directories */
2526 RETPUSHYES; /* null file is anything */
2531 /* now scan s to look for textiness */
2532 /* XXX ASCII dependent code */
2534 for (i = 0; i < len; i++, s++) {
2535 if (!*s) { /* null never allowed in text */
2542 *s != '\n' && *s != '\r' && *s != '\b' &&
2543 *s != '\t' && *s != '\f' && *s != 27)
2547 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2555 return pp_fttext(ARGS);
2570 if (!tmps || !*tmps) {
2571 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2573 tmps = SvPV(*svp, na);
2575 if (!tmps || !*tmps) {
2576 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2578 tmps = SvPV(*svp, na);
2580 TAINT_PROPER("chdir");
2581 PUSHi( chdir(tmps) >= 0 );
2583 /* Clear the DEFAULT element of ENV so we'll get the new value
2585 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2592 dSP; dMARK; dTARGET;
2595 value = (I32)apply(op->op_type, MARK, SP);
2600 DIE(no_func, "Unsupported function chown");
2610 TAINT_PROPER("chroot");
2611 PUSHi( chroot(tmps) >= 0 );
2614 DIE(no_func, "chroot");
2620 dSP; dMARK; dTARGET;
2622 value = (I32)apply(op->op_type, MARK, SP);
2630 dSP; dMARK; dTARGET;
2632 value = (I32)apply(op->op_type, MARK, SP);
2640 dSP; dMARK; dTARGET;
2642 value = (I32)apply(op->op_type, MARK, SP);
2654 char *tmps = SvPV(TOPs, na);
2655 TAINT_PROPER("rename");
2657 anum = rename(tmps, tmps2);
2659 if (!(anum = Stat(tmps, &statbuf))) {
2660 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2663 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2664 (void)UNLINK(tmps2);
2665 if (!(anum = link(tmps, tmps2)))
2666 anum = UNLINK(tmps);
2679 char *tmps = SvPV(TOPs, na);
2680 TAINT_PROPER("link");
2681 SETi( link(tmps, tmps2) >= 0 );
2683 DIE(no_func, "Unsupported function link");
2693 char *tmps = SvPV(TOPs, na);
2694 TAINT_PROPER("symlink");
2695 SETi( symlink(tmps, tmps2) >= 0 );
2698 DIE(no_func, "symlink");
2707 char buf[MAXPATHLEN];
2711 len = readlink(tmps, buf, sizeof buf);
2719 RETSETUNDEF; /* just pretend it's a normal file */
2723 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2725 dooneliner(cmd, filename)
2729 char *save_filename = filename;
2735 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2736 strcpy(cmdline, cmd);
2737 strcat(cmdline, " ");
2738 for (s = cmdline + strlen(cmdline); *filename; ) {
2743 myfp = my_popen(cmdline, "r");
2747 SV *tmpsv = sv_newmortal();
2748 /* Need to save/restore 'rs' ?? */
2749 s = sv_gets(tmpsv, myfp, 0);
2750 (void)my_pclose(myfp);
2754 #ifdef HAS_SYS_ERRLIST
2759 /* you don't see this */
2761 #ifdef HAS_SYS_ERRLIST
2769 if (instr(s, errmsg)) {
2776 #define EACCES EPERM
2778 if (instr(s, "cannot make"))
2779 SETERRNO(EEXIST,RMS$_FEX);
2780 else if (instr(s, "existing file"))
2781 SETERRNO(EEXIST,RMS$_FEX);
2782 else if (instr(s, "ile exists"))
2783 SETERRNO(EEXIST,RMS$_FEX);
2784 else if (instr(s, "non-exist"))
2785 SETERRNO(ENOENT,RMS$_FNF);
2786 else if (instr(s, "does not exist"))
2787 SETERRNO(ENOENT,RMS$_FNF);
2788 else if (instr(s, "not empty"))
2789 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2790 else if (instr(s, "cannot access"))
2791 SETERRNO(EACCES,RMS$_PRV);
2793 SETERRNO(EPERM,RMS$_PRV);
2796 else { /* some mkdirs return no failure indication */
2797 anum = (Stat(save_filename, &statbuf) >= 0);
2798 if (op->op_type == OP_RMDIR)
2803 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2819 char *tmps = SvPV(TOPs, na);
2821 TAINT_PROPER("mkdir");
2823 SETi( Mkdir(tmps, mode) >= 0 );
2825 SETi( dooneliner("mkdir", tmps) );
2826 oldumask = umask(0);
2828 chmod(tmps, (mode & ~oldumask) & 0777);
2839 TAINT_PROPER("rmdir");
2841 XPUSHi( rmdir(tmps) >= 0 );
2843 XPUSHi( dooneliner("rmdir", tmps) );
2848 /* Directory calls. */
2853 #if defined(Direntry_t) && defined(HAS_READDIR)
2854 char *dirname = POPp;
2856 register IO *io = GvIOn(gv);
2862 closedir(IoDIRP(io));
2863 if (!(IoDIRP(io) = opendir(dirname)))
2869 SETERRNO(EBADF,RMS$_DIR);
2872 DIE(no_dir_func, "opendir");
2879 #if defined(Direntry_t) && defined(HAS_READDIR)
2881 Direntry_t *readdir _((DIR *));
2883 register Direntry_t *dp;
2885 register IO *io = GvIOn(gv);
2887 if (!io || !IoDIRP(io))
2890 if (GIMME == G_ARRAY) {
2892 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2894 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2896 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2901 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2904 XPUSHs(sv_2mortal(newSVpv(dp->d_name, dp->d_namlen)));
2906 XPUSHs(sv_2mortal(newSVpv(dp->d_name, 0)));
2913 SETERRNO(EBADF,RMS$_ISI);
2914 if (GIMME == G_ARRAY)
2919 DIE(no_dir_func, "readdir");
2926 #if defined(HAS_TELLDIR) || defined(telldir)
2927 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2928 long telldir _((DIR *));
2931 register IO *io = GvIOn(gv);
2933 if (!io || !IoDIRP(io))
2936 PUSHi( telldir(IoDIRP(io)) );
2940 SETERRNO(EBADF,RMS$_ISI);
2943 DIE(no_dir_func, "telldir");
2950 #if defined(HAS_SEEKDIR) || defined(seekdir)
2953 register IO *io = GvIOn(gv);
2955 if (!io || !IoDIRP(io))
2958 (void)seekdir(IoDIRP(io), along);
2963 SETERRNO(EBADF,RMS$_ISI);
2966 DIE(no_dir_func, "seekdir");
2973 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2975 register IO *io = GvIOn(gv);
2977 if (!io || !IoDIRP(io))
2980 (void)rewinddir(IoDIRP(io));
2984 SETERRNO(EBADF,RMS$_ISI);
2987 DIE(no_dir_func, "rewinddir");
2994 #if defined(Direntry_t) && defined(HAS_READDIR)
2996 register IO *io = GvIOn(gv);
2998 if (!io || !IoDIRP(io))
3001 #ifdef VOID_CLOSEDIR
3002 closedir(IoDIRP(io));
3004 if (closedir(IoDIRP(io)) < 0) {
3005 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3014 SETERRNO(EBADF,RMS$_IFI);
3017 DIE(no_dir_func, "closedir");
3021 /* Process control. */
3036 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3037 sv_setiv(GvSV(tmpgv), (IV)getpid());
3038 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3043 DIE(no_func, "Unsupported function fork");
3049 #if !defined(DOSISH) || defined(OS2)
3054 childpid = wait4pid(-1, &argflags, 0);
3055 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3059 DIE(no_func, "Unsupported function wait");
3065 #if !defined(DOSISH) || defined(OS2)
3073 childpid = wait4pid(childpid, &argflags, optype);
3074 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3078 DIE(no_func, "Unsupported function wait");
3084 dSP; dMARK; dORIGMARK; dTARGET;
3089 Sigsave_t ihand,qhand; /* place to save signals during system() */
3091 if (SP - MARK == 1) {
3093 char *junk = SvPV(TOPs, na);
3095 TAINT_PROPER("system");
3098 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3099 while ((childpid = vfork()) == -1) {
3100 if (errno != EAGAIN) {
3109 rsignal_save(SIGINT, SIG_IGN, &ihand);
3110 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3112 result = wait4pid(childpid, &status, 0);
3113 } while (result == -1 && errno == EINTR);
3114 (void)rsignal_restore(SIGINT, &ihand);
3115 (void)rsignal_restore(SIGQUIT, &qhand);
3116 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3117 do_execfree(); /* free any memory child malloced on vfork */
3119 PUSHi(STATUS_CURRENT);
3122 if (op->op_flags & OPf_STACKED) {
3123 SV *really = *++MARK;
3124 value = (I32)do_aexec(really, MARK, SP);
3126 else if (SP - MARK != 1)
3127 value = (I32)do_aexec(Nullsv, MARK, SP);
3129 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3132 #else /* ! FORK or VMS or OS/2 */
3133 if (op->op_flags & OPf_STACKED) {
3134 SV *really = *++MARK;
3135 value = (I32)do_aspawn(really, MARK, SP);
3137 else if (SP - MARK != 1)
3138 value = (I32)do_aspawn(Nullsv, MARK, SP);
3140 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3142 STATUS_NATIVE_SET(value);
3145 PUSHi(STATUS_CURRENT);
3146 #endif /* !FORK or VMS */
3152 dSP; dMARK; dORIGMARK; dTARGET;
3155 if (op->op_flags & OPf_STACKED) {
3156 SV *really = *++MARK;
3157 value = (I32)do_aexec(really, MARK, SP);
3159 else if (SP - MARK != 1)
3161 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3163 value = (I32)do_aexec(Nullsv, MARK, SP);
3167 char *junk = SvPV(*SP, na);
3169 TAINT_PROPER("exec");
3172 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3174 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3184 dSP; dMARK; dTARGET;
3187 value = (I32)apply(op->op_type, MARK, SP);
3192 DIE(no_func, "Unsupported function kill");
3200 XPUSHi( getppid() );
3203 DIE(no_func, "getppid");
3219 value = (I32)BSD_GETPGRP(pid);
3221 if (pid != 0 && pid != getpid())
3222 DIE("POSIX getpgrp can't take an argument");
3223 value = (I32)getpgrp();
3228 DIE(no_func, "getpgrp()");
3247 TAINT_PROPER("setpgrp");
3249 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3251 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3252 DIE("POSIX setpgrp can't take an argument");
3253 SETi( setpgrp() >= 0 );
3254 #endif /* USE_BSDPGRP */
3257 DIE(no_func, "setpgrp()");
3266 #ifdef HAS_GETPRIORITY
3269 SETi( getpriority(which, who) );
3272 DIE(no_func, "getpriority()");
3282 #ifdef HAS_SETPRIORITY
3286 TAINT_PROPER("setpriority");
3287 SETi( setpriority(which, who, niceval) >= 0 );
3290 DIE(no_func, "setpriority()");
3300 XPUSHn( time(Null(Time_t*)) );
3302 XPUSHi( time(Null(Time_t*)) );
3307 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3308 to HZ. Probably. For now, assume that if the system
3309 defines HZ, it does so correctly. (Will this break
3311 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3312 it's supported. --AD 9/96.
3328 DIE("times not implemented");
3333 (void)times(×buf);
3335 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3336 /* struct tms, though same data */
3340 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3341 if (GIMME == G_ARRAY) {
3342 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3343 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3344 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3347 #endif /* HAS_TIMES */
3352 return pp_gmtime(ARGS);
3360 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3361 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3362 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3368 when = (Time_t)SvNVx(POPs);
3370 when = (Time_t)SvIVx(POPs);
3373 if (op->op_type == OP_LOCALTIME)
3374 tmbuf = localtime(&when);
3376 tmbuf = gmtime(&when);
3380 if (GIMME != G_ARRAY) {
3385 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3386 dayname[tmbuf->tm_wday],
3387 monname[tmbuf->tm_mon],
3392 tmbuf->tm_year + 1900);
3393 PUSHs(sv_2mortal(tsv));
3396 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3397 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3398 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3399 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3400 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3401 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3402 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3403 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3404 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3415 anum = alarm((unsigned int)anum);
3422 DIE(no_func, "Unsupported function alarm");
3433 (void)time(&lasttime);
3438 sleep((unsigned int)duration);
3441 XPUSHi(when - lasttime);
3445 /* Shared memory. */
3449 return pp_semget(ARGS);
3454 return pp_semctl(ARGS);
3459 return pp_shmwrite(ARGS);
3464 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3465 dSP; dMARK; dTARGET;
3466 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3471 return pp_semget(ARGS);
3475 /* Message passing. */
3479 return pp_semget(ARGS);
3484 return pp_semctl(ARGS);
3489 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3490 dSP; dMARK; dTARGET;
3491 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3496 return pp_semget(ARGS);
3502 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3503 dSP; dMARK; dTARGET;
3504 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3509 return pp_semget(ARGS);
3517 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3518 dSP; dMARK; dTARGET;
3519 int anum = do_ipcget(op->op_type, MARK, SP);
3526 DIE("System V IPC is not implemented on this machine");
3532 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3533 dSP; dMARK; dTARGET;
3534 int anum = do_ipcctl(op->op_type, MARK, SP);
3542 PUSHp(zero_but_true, ZBTLEN);
3546 return pp_semget(ARGS);
3552 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3553 dSP; dMARK; dTARGET;
3554 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3559 return pp_semget(ARGS);
3563 /* Get system info. */
3568 return pp_ghostent(ARGS);
3570 DIE(no_sock_func, "gethostbyname");
3577 return pp_ghostent(ARGS);
3579 DIE(no_sock_func, "gethostbyaddr");
3587 I32 which = op->op_type;
3588 register char **elem;
3590 struct hostent *gethostbyname();
3591 struct hostent *gethostbyaddr();
3592 #ifdef HAS_GETHOSTENT
3593 struct hostent *gethostent();
3595 struct hostent *hent;
3599 if (which == OP_GHBYNAME) {
3600 hent = gethostbyname(POPp);
3602 else if (which == OP_GHBYADDR) {
3603 int addrtype = POPi;
3606 char *addr = SvPV(addrsv, addrlen);
3608 hent = gethostbyaddr(addr, addrlen, addrtype);
3611 #ifdef HAS_GETHOSTENT
3612 hent = gethostent();
3614 DIE("gethostent not implemented");
3617 #ifdef HOST_NOT_FOUND
3619 STATUS_NATIVE_SET(h_errno);
3622 if (GIMME != G_ARRAY) {
3623 PUSHs(sv = sv_newmortal());
3625 if (which == OP_GHBYNAME) {
3627 sv_setpvn(sv, hent->h_addr, hent->h_length);
3630 sv_setpv(sv, (char*)hent->h_name);
3636 PUSHs(sv = sv_mortalcopy(&sv_no));
3637 sv_setpv(sv, (char*)hent->h_name);
3638 PUSHs(sv = sv_mortalcopy(&sv_no));
3639 for (elem = hent->h_aliases; elem && *elem; elem++) {
3640 sv_catpv(sv, *elem);
3642 sv_catpvn(sv, " ", 1);
3644 PUSHs(sv = sv_mortalcopy(&sv_no));
3645 sv_setiv(sv, (IV)hent->h_addrtype);
3646 PUSHs(sv = sv_mortalcopy(&sv_no));
3647 len = hent->h_length;
3648 sv_setiv(sv, (IV)len);
3650 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3651 XPUSHs(sv = sv_mortalcopy(&sv_no));
3652 sv_setpvn(sv, *elem, len);
3655 PUSHs(sv = sv_mortalcopy(&sv_no));
3657 sv_setpvn(sv, hent->h_addr, len);
3662 DIE(no_sock_func, "gethostent");
3669 return pp_gnetent(ARGS);
3671 DIE(no_sock_func, "getnetbyname");
3678 return pp_gnetent(ARGS);
3680 DIE(no_sock_func, "getnetbyaddr");
3688 I32 which = op->op_type;
3689 register char **elem;
3691 struct netent *getnetbyname();
3692 struct netent *getnetbyaddr();
3693 struct netent *getnetent();
3694 struct netent *nent;
3696 if (which == OP_GNBYNAME)
3697 nent = getnetbyname(POPp);
3698 else if (which == OP_GNBYADDR) {
3699 int addrtype = POPi;
3700 unsigned long addr = U_L(POPn);
3701 nent = getnetbyaddr((long)addr, addrtype);
3707 if (GIMME != G_ARRAY) {
3708 PUSHs(sv = sv_newmortal());
3710 if (which == OP_GNBYNAME)
3711 sv_setiv(sv, (IV)nent->n_net);
3713 sv_setpv(sv, nent->n_name);
3719 PUSHs(sv = sv_mortalcopy(&sv_no));
3720 sv_setpv(sv, nent->n_name);
3721 PUSHs(sv = sv_mortalcopy(&sv_no));
3722 for (elem = nent->n_aliases; elem && *elem; elem++) {
3723 sv_catpv(sv, *elem);
3725 sv_catpvn(sv, " ", 1);
3727 PUSHs(sv = sv_mortalcopy(&sv_no));
3728 sv_setiv(sv, (IV)nent->n_addrtype);
3729 PUSHs(sv = sv_mortalcopy(&sv_no));
3730 sv_setiv(sv, (IV)nent->n_net);
3735 DIE(no_sock_func, "getnetent");
3742 return pp_gprotoent(ARGS);
3744 DIE(no_sock_func, "getprotobyname");
3751 return pp_gprotoent(ARGS);
3753 DIE(no_sock_func, "getprotobynumber");
3761 I32 which = op->op_type;
3762 register char **elem;
3764 struct protoent *getprotobyname();
3765 struct protoent *getprotobynumber();
3766 struct protoent *getprotoent();
3767 struct protoent *pent;
3769 if (which == OP_GPBYNAME)
3770 pent = getprotobyname(POPp);
3771 else if (which == OP_GPBYNUMBER)
3772 pent = getprotobynumber(POPi);
3774 pent = getprotoent();
3777 if (GIMME != G_ARRAY) {
3778 PUSHs(sv = sv_newmortal());
3780 if (which == OP_GPBYNAME)
3781 sv_setiv(sv, (IV)pent->p_proto);
3783 sv_setpv(sv, pent->p_name);
3789 PUSHs(sv = sv_mortalcopy(&sv_no));
3790 sv_setpv(sv, pent->p_name);
3791 PUSHs(sv = sv_mortalcopy(&sv_no));
3792 for (elem = pent->p_aliases; elem && *elem; elem++) {
3793 sv_catpv(sv, *elem);
3795 sv_catpvn(sv, " ", 1);
3797 PUSHs(sv = sv_mortalcopy(&sv_no));
3798 sv_setiv(sv, (IV)pent->p_proto);
3803 DIE(no_sock_func, "getprotoent");
3810 return pp_gservent(ARGS);
3812 DIE(no_sock_func, "getservbyname");
3819 return pp_gservent(ARGS);
3821 DIE(no_sock_func, "getservbyport");
3829 I32 which = op->op_type;
3830 register char **elem;
3832 struct servent *getservbyname();
3833 struct servent *getservbynumber();
3834 struct servent *getservent();
3835 struct servent *sent;
3837 if (which == OP_GSBYNAME) {
3841 if (proto && !*proto)
3844 sent = getservbyname(name, proto);
3846 else if (which == OP_GSBYPORT) {
3848 unsigned short port = POPu;
3853 sent = getservbyport(port, proto);
3856 sent = getservent();
3859 if (GIMME != G_ARRAY) {
3860 PUSHs(sv = sv_newmortal());
3862 if (which == OP_GSBYNAME) {
3864 sv_setiv(sv, (IV)ntohs(sent->s_port));
3866 sv_setiv(sv, (IV)(sent->s_port));
3870 sv_setpv(sv, sent->s_name);
3876 PUSHs(sv = sv_mortalcopy(&sv_no));
3877 sv_setpv(sv, sent->s_name);
3878 PUSHs(sv = sv_mortalcopy(&sv_no));
3879 for (elem = sent->s_aliases; elem && *elem; elem++) {
3880 sv_catpv(sv, *elem);
3882 sv_catpvn(sv, " ", 1);
3884 PUSHs(sv = sv_mortalcopy(&sv_no));
3886 sv_setiv(sv, (IV)ntohs(sent->s_port));
3888 sv_setiv(sv, (IV)(sent->s_port));
3890 PUSHs(sv = sv_mortalcopy(&sv_no));
3891 sv_setpv(sv, sent->s_proto);
3896 DIE(no_sock_func, "getservent");
3907 DIE(no_sock_func, "sethostent");
3918 DIE(no_sock_func, "setnetent");
3929 DIE(no_sock_func, "setprotoent");
3940 DIE(no_sock_func, "setservent");
3952 DIE(no_sock_func, "endhostent");
3964 DIE(no_sock_func, "endnetent");
3976 DIE(no_sock_func, "endprotoent");
3988 DIE(no_sock_func, "endservent");
3995 return pp_gpwent(ARGS);
3997 DIE(no_func, "getpwnam");
4004 return pp_gpwent(ARGS);
4006 DIE(no_func, "getpwuid");
4014 I32 which = op->op_type;
4016 struct passwd *pwent;
4018 if (which == OP_GPWNAM)
4019 pwent = getpwnam(POPp);
4020 else if (which == OP_GPWUID)
4021 pwent = getpwuid(POPi);
4023 pwent = (struct passwd *)getpwent();
4026 if (GIMME != G_ARRAY) {
4027 PUSHs(sv = sv_newmortal());
4029 if (which == OP_GPWNAM)
4030 sv_setiv(sv, (IV)pwent->pw_uid);
4032 sv_setpv(sv, pwent->pw_name);
4038 PUSHs(sv = sv_mortalcopy(&sv_no));
4039 sv_setpv(sv, pwent->pw_name);
4040 PUSHs(sv = sv_mortalcopy(&sv_no));
4041 sv_setpv(sv, pwent->pw_passwd);
4042 PUSHs(sv = sv_mortalcopy(&sv_no));
4043 sv_setiv(sv, (IV)pwent->pw_uid);
4044 PUSHs(sv = sv_mortalcopy(&sv_no));
4045 sv_setiv(sv, (IV)pwent->pw_gid);
4046 PUSHs(sv = sv_mortalcopy(&sv_no));
4048 sv_setiv(sv, (IV)pwent->pw_change);
4051 sv_setiv(sv, (IV)pwent->pw_quota);
4054 sv_setpv(sv, pwent->pw_age);
4058 PUSHs(sv = sv_mortalcopy(&sv_no));
4060 sv_setpv(sv, pwent->pw_class);
4063 sv_setpv(sv, pwent->pw_comment);
4066 PUSHs(sv = sv_mortalcopy(&sv_no));
4067 sv_setpv(sv, pwent->pw_gecos);
4068 PUSHs(sv = sv_mortalcopy(&sv_no));
4069 sv_setpv(sv, pwent->pw_dir);
4070 PUSHs(sv = sv_mortalcopy(&sv_no));
4071 sv_setpv(sv, pwent->pw_shell);
4073 PUSHs(sv = sv_mortalcopy(&sv_no));
4074 sv_setiv(sv, (IV)pwent->pw_expire);
4079 DIE(no_func, "getpwent");
4086 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4090 DIE(no_func, "setpwent");
4101 DIE(no_func, "endpwent");
4108 return pp_ggrent(ARGS);
4110 DIE(no_func, "getgrnam");
4117 return pp_ggrent(ARGS);
4119 DIE(no_func, "getgrgid");
4127 I32 which = op->op_type;
4128 register char **elem;
4130 struct group *grent;
4132 if (which == OP_GGRNAM)
4133 grent = (struct group *)getgrnam(POPp);
4134 else if (which == OP_GGRGID)
4135 grent = (struct group *)getgrgid(POPi);
4137 grent = (struct group *)getgrent();
4140 if (GIMME != G_ARRAY) {
4141 PUSHs(sv = sv_newmortal());
4143 if (which == OP_GGRNAM)
4144 sv_setiv(sv, (IV)grent->gr_gid);
4146 sv_setpv(sv, grent->gr_name);
4152 PUSHs(sv = sv_mortalcopy(&sv_no));
4153 sv_setpv(sv, grent->gr_name);
4154 PUSHs(sv = sv_mortalcopy(&sv_no));
4155 sv_setpv(sv, grent->gr_passwd);
4156 PUSHs(sv = sv_mortalcopy(&sv_no));
4157 sv_setiv(sv, (IV)grent->gr_gid);
4158 PUSHs(sv = sv_mortalcopy(&sv_no));
4159 for (elem = grent->gr_mem; elem && *elem; elem++) {
4160 sv_catpv(sv, *elem);
4162 sv_catpvn(sv, " ", 1);
4168 DIE(no_func, "getgrent");
4179 DIE(no_func, "setgrent");
4190 DIE(no_func, "endgrent");
4200 if (!(tmps = getlogin()))
4202 PUSHp(tmps, strlen(tmps));
4205 DIE(no_func, "getlogin");
4209 /* Miscellaneous. */
4214 dSP; dMARK; dORIGMARK; dTARGET;
4215 register I32 items = SP - MARK;
4216 unsigned long a[20];
4222 while (++MARK <= SP) {
4223 if (SvTAINTED(*MARK)) {
4229 TAINT_PROPER("syscall");
4232 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4233 * or where sizeof(long) != sizeof(char*). But such machines will
4234 * not likely have syscall implemented either, so who cares?
4236 while (++MARK <= SP) {
4237 if (SvNIOK(*MARK) || !i)
4238 a[i++] = SvIV(*MARK);
4239 else if (*MARK == &sv_undef)
4242 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4248 DIE("Too many args to syscall");
4250 DIE("Too few args to syscall");
4252 retval = syscall(a[0]);
4255 retval = syscall(a[0],a[1]);
4258 retval = syscall(a[0],a[1],a[2]);
4261 retval = syscall(a[0],a[1],a[2],a[3]);
4264 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4267 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4270 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4273 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4277 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4280 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4283 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4287 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4291 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4295 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4296 a[10],a[11],a[12],a[13]);
4298 #endif /* atarist */
4304 DIE(no_func, "syscall");
4308 #ifdef FCNTL_EMULATE_FLOCK
4310 /* XXX Emulate flock() with fcntl().
4311 What's really needed is a good file locking module.
4315 fcntl_emulate_flock(fd, operation)
4321 switch (operation & ~LOCK_NB) {
4323 flock.l_type = F_RDLCK;
4326 flock.l_type = F_WRLCK;
4329 flock.l_type = F_UNLCK;
4335 flock.l_whence = SEEK_SET;
4336 flock.l_start = flock.l_len = 0L;
4338 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4341 #endif /* FCNTL_EMULATE_FLOCK */
4343 #ifdef LOCKF_EMULATE_FLOCK
4345 /* XXX Emulate flock() with lockf(). This is just to increase
4346 portability of scripts. The calls are not completely
4347 interchangeable. What's really needed is a good file
4351 /* The lockf() constants might have been defined in <unistd.h>.
4352 Unfortunately, <unistd.h> causes troubles on some mixed
4353 (BSD/POSIX) systems, such as SunOS 4.1.3.
4355 Further, the lockf() constants aren't POSIX, so they might not be
4356 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4357 just stick in the SVID values and be done with it. Sigh.
4361 # define F_ULOCK 0 /* Unlock a previously locked region */
4364 # define F_LOCK 1 /* Lock a region for exclusive use */
4367 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4370 # define F_TEST 3 /* Test a region for other processes locks */
4374 lockf_emulate_flock (fd, operation)
4379 switch (operation) {
4381 /* LOCK_SH - get a shared lock */
4383 /* LOCK_EX - get an exclusive lock */
4385 i = lockf (fd, F_LOCK, 0);
4388 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4389 case LOCK_SH|LOCK_NB:
4390 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4391 case LOCK_EX|LOCK_NB:
4392 i = lockf (fd, F_TLOCK, 0);
4394 if ((errno == EAGAIN) || (errno == EACCES))
4395 errno = EWOULDBLOCK;
4398 /* LOCK_UN - unlock (non-blocking is a no-op) */
4400 case LOCK_UN|LOCK_NB:
4401 i = lockf (fd, F_ULOCK, 0);
4404 /* Default - can't decipher operation */
4413 #endif /* LOCKF_EMULATE_FLOCK */