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. */
27 extern "C" int syscall(unsigned long,...);
32 # include <sys/wait.h>
36 # include <sys/resource.h>
39 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
40 # include <sys/socket.h>
44 # include <net/errno.h>
51 #include <sys/select.h>
63 struct passwd *getpwnam _((char *));
64 struct passwd *getpwuid _((Uid_t));
66 struct passwd *getpwent _((void));
73 struct group *getgrnam _((char *));
74 struct group *getgrgid _((Gid_t));
76 struct group *getgrent _((void));
81 # include <sys/utime.h>
93 /* Put this after #includes because fork and vfork prototypes may conflict. */
98 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
100 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
101 # define Sock_size_t Size_t
103 # define Sock_size_t int
107 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
108 static int dooneliner _((char *cmd, char *filename));
112 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
115 # define my_chsize chsize
120 #else /* no flock() */
122 /* fcntl.h might not have been included, even if it exists, because
123 the current Configure only sets I_FCNTL if it's needed to pick up
124 the *_OK constants. Make sure it has been included before testing
125 the fcntl() locking constants. */
126 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
130 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
131 # define FLOCK fcntl_emulate_flock
132 # define FCNTL_EMULATE_FLOCK
133 # else /* no flock() or fcntl(F_SETLK,...) */
135 # define FLOCK lockf_emulate_flock
136 # define LOCKF_EMULATE_FLOCK
138 # endif /* no flock() or fcntl(F_SETLK,...) */
141 static int FLOCK _((int, int));
144 * These are the flock() constants. Since this sytems doesn't have
145 * flock(), the values of the constants are probably not available.
159 # endif /* emulating flock() */
161 #endif /* no flock() */
165 # define MAXPATHLEN PATH_MAX
167 # define MAXPATHLEN 1024
172 static char zero_but_true[ZBTLEN + 1] = "0 but true";
184 fp = my_popen(tmps, "r");
186 if (gimme == G_VOID) {
188 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
192 else if (gimme == G_SCALAR) {
193 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
194 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
205 if (sv_gets(sv, fp, 0) == Nullch) {
209 XPUSHs(sv_2mortal(sv));
210 if (SvLEN(sv) - SvCUR(sv) > 20) {
211 SvLEN_set(sv, SvCUR(sv)+1);
212 Renew(SvPVX(sv), SvLEN(sv), char);
217 STATUS_NATIVE_SET(my_pclose(fp));
218 TAINT; /* "I believe that this is not gratuitous!" */
221 STATUS_NATIVE_SET(-1);
222 if (gimme == G_SCALAR)
237 * The external globbing program may use things we can't control,
238 * so for security reasons we must assume the worst.
241 taint_proper(no_security, "glob");
245 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
246 last_in_gv = (GV*)*stack_sp--;
248 SAVESPTR(rs); /* This is not permanent, either. */
249 rs = sv_2mortal(newSVpv("", 1));
256 result = do_readline();
263 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
264 return do_readline();
269 last_in_gv = cGVOP->op_gv;
270 return do_readline();
277 if (SP - MARK != 1) {
279 do_join(TARG, &sv_no, MARK, SP);
280 tmps = SvPV(TARG, na);
284 tmps = SvPV(TOPs, na);
286 if (!tmps || !*tmps) {
287 SV *error = GvSV(errgv);
288 (void)SvUPGRADE(error, SVt_PV);
289 if (SvPOK(error) && SvCUR(error))
290 sv_catpv(error, "\t...caught");
291 tmps = SvPV(error, na);
294 tmps = "Warning: something's wrong";
303 if (SP - MARK != 1) {
305 do_join(TARG, &sv_no, MARK, SP);
306 tmps = SvPV(TARG, na);
310 tmps = SvPV(TOPs, na);
312 if (!tmps || !*tmps) {
313 SV *error = GvSV(errgv);
314 (void)SvUPGRADE(error, SVt_PV);
315 if (SvPOK(error) && SvCUR(error))
316 sv_catpv(error, "\t...propagated");
317 tmps = SvPV(error, na);
337 DIE(no_usym, "filehandle");
342 DIE(no_usym, "filehandle");
344 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
345 tmps = SvPV(sv, len);
346 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp))
347 PUSHi( (I32)forkprocess );
348 else if (forkprocess == 0) /* we are a new child */
365 PUSHs(boolSV(do_close(gv, TRUE)));
385 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
386 DIE(no_usym, "filehandle");
391 do_close(rgv, FALSE);
393 do_close(wgv, FALSE);
398 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
399 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
400 IoIFP(wstio) = IoOFP(wstio);
404 if (!IoIFP(rstio) || !IoOFP(wstio)) {
405 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
407 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
417 DIE(no_func, "pipe");
430 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
432 PUSHi(PerlIO_fileno(fp));
448 TAINT_PROPER("umask");
451 DIE(no_func, "Unsupported function umask");
469 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
474 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
479 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1) {
480 #if defined(WIN32) && defined(__BORLANDC__)
481 /* The translation mode of the stream is maintained independent
482 * of the translation mode of the fd in the Borland RTL (heavy
483 * digging through their runtime sources reveal). User has to
484 * set the mode explicitly for the stream (though they don't
485 * document this anywhere). GSAR 97-5-24
487 PerlIO_seek(fp,0L,0);
496 #if defined(USEMYBINMODE)
497 if (my_binmode(fp,IoTYPE(io)) != NULL)
516 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
517 I32 markoff = mark - stack_base - 1;
519 bool oldcatch = CATCH_GET;
522 if (SvTYPE(varsv) == SVt_PVHV)
523 methname = "TIEHASH";
524 else if (SvTYPE(varsv) == SVt_PVAV)
525 methname = "TIEARRAY";
526 else if (SvTYPE(varsv) == SVt_PVGV)
527 methname = "TIEHANDLE";
529 methname = "TIESCALAR";
531 stash = gv_stashsv(mark[1], FALSE);
532 if (!stash || !(gv = gv_fetchmethod(stash, methname)))
533 DIE("Can't locate object method \"%s\" via package \"%s\"",
534 methname, SvPV(mark[1],na));
536 Zero(&myop, 1, BINOP);
537 myop.op_last = (OP *) &myop;
538 myop.op_next = Nullop;
539 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
545 if (PERLDB_SUB && curstash != debstash)
546 op->op_private |= OPpENTERSUB_DB;
548 XPUSHs((SV*)GvCV(gv));
551 if (op = pp_entersub(ARGS))
557 if (sv_isobject(sv)) {
558 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
559 sv_unmagic(varsv, 'P');
560 sv_magic(varsv, sv, 'P', Nullch, 0);
563 sv_unmagic(varsv, 'q');
564 sv_magic(varsv, sv, 'q', Nullch, 0);
568 SP = stack_base + markoff;
583 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
584 mg = mg_find(sv, 'P') ;
586 mg = mg_find(sv, 'q') ;
588 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
589 warn("untie attempted while %lu inner references still exist",
590 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
594 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
609 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
610 mg = mg_find(sv, 'P') ;
612 mg = mg_find(sv, 'q') ;
615 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
632 bool oldcatch = CATCH_GET;
636 sv = sv_mortalcopy(&sv_no);
637 sv_setpv(sv, "AnyDBM_File");
638 stash = gv_stashsv(sv, FALSE);
639 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
641 perl_require_pv("AnyDBM_File.pm");
643 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
644 DIE("No dbm on this machine");
647 Zero(&myop, 1, BINOP);
648 myop.op_last = (OP *) &myop;
649 myop.op_next = Nullop;
650 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
656 if (PERLDB_SUB && curstash != debstash)
657 op->op_private |= OPpENTERSUB_DB;
665 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
667 PUSHs(sv_2mortal(newSViv(O_RDWR)));
669 PUSHs((SV*)GvCV(gv));
672 if (op = pp_entersub(ARGS))
676 if (!sv_isobject(TOPs)) {
684 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
686 PUSHs((SV*)GvCV(gv));
689 if (op = pp_entersub(ARGS))
695 if (sv_isobject(TOPs))
696 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
703 return pp_untie(ARGS);
717 struct timeval timebuf;
718 struct timeval *tbuf = &timebuf;
721 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
726 # if BYTEORDER & 0xf0000
727 # define ORDERBYTE (0x88888888 - BYTEORDER)
729 # define ORDERBYTE (0x4444 - BYTEORDER)
735 for (i = 1; i <= 3; i++) {
743 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
744 #if defined(__linux__) || defined(OS2)
745 growsize = sizeof(fd_set);
747 growsize = maxlen; /* little endians can use vecs directly */
756 masksize = NFDBITS / NBBY;
758 masksize = sizeof(long); /* documented int, everyone seems to use long */
760 growsize = maxlen + (masksize - (maxlen % masksize));
761 Zero(&fd_sets[0], 4, char*);
769 timebuf.tv_sec = (long)value;
770 value -= (double)timebuf.tv_sec;
771 timebuf.tv_usec = (long)(value * 1000000.0);
774 tbuf = Null(struct timeval*);
776 for (i = 1; i <= 3; i++) {
783 SvPV_force(sv,na); /* force string conversion */
786 Sv_Grow(sv, growsize);
790 while (++j <= growsize) {
794 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
796 New(403, fd_sets[i], growsize, char);
797 for (offset = 0; offset < growsize; offset += masksize) {
798 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
799 fd_sets[i][j+offset] = s[(k % masksize) + offset];
802 fd_sets[i] = SvPVX(sv);
808 (Select_fd_set_t) fd_sets[1],
809 (Select_fd_set_t) fd_sets[2],
810 (Select_fd_set_t) fd_sets[3],
812 for (i = 1; i <= 3; i++) {
815 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
817 for (offset = 0; offset < growsize; offset += masksize) {
818 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
819 s[(k % masksize) + offset] = fd_sets[i][j+offset];
821 Safefree(fd_sets[i]);
828 if (GIMME == G_ARRAY && tbuf) {
829 value = (double)(timebuf.tv_sec) +
830 (double)(timebuf.tv_usec) / 1000000.0;
831 PUSHs(sv = sv_mortalcopy(&sv_no));
836 DIE("select not implemented");
845 (void)SvREFCNT_inc(gv);
847 SvREFCNT_dec(defoutgv);
857 newdefout = (op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
859 egv = GvEGV(defoutgv);
866 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
867 if (gvp && *gvp == egv) {
868 gv_efullname3(TARG, defoutgv, Nullch);
872 XPUSHs(sv_2mortal(newRV((SV*)egv)));
877 if (!GvIO(newdefout))
879 setdefout(newdefout);
898 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
904 perl_call_method("GETC", gimme);
907 if (gimme == G_SCALAR)
908 SvSetMagicSV_nosteal(TARG, TOPs);
911 if (!gv || do_eof(gv)) /* make sure we have fp with something */
915 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
922 return pp_sysread(ARGS);
926 doform(CV *cv, GV *gv, OP *retop)
929 register CONTEXT *cx;
931 AV* padlist = CvPADLIST(cv);
932 SV** svp = AvARRAY(padlist);
938 PUSHBLOCK(cx, CXt_SUB, stack_sp);
941 curpad = AvARRAY((AV*)svp[1]);
943 setdefout(gv); /* locally select filehandle so $% et al work */
975 SV *tmpsv = sv_newmortal();
976 gv_efullname3(tmpsv, fgv, Nullch);
977 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
979 DIE("Not a format reference");
982 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
984 IoFLAGS(io) &= ~IOf_DIDTOP;
985 return doform(cv,gv,op->op_next);
991 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
992 register IO *io = GvIOp(gv);
993 PerlIO *ofp = IoOFP(io);
997 register CONTEXT *cx;
999 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1000 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
1001 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
1002 formtarget != toptarget)
1006 if (!IoTOP_GV(io)) {
1010 if (!IoTOP_NAME(io)) {
1011 if (!IoFMT_NAME(io))
1012 IoFMT_NAME(io) = savepv(GvNAME(gv));
1013 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1014 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1015 if ((topgv && GvFORM(topgv)) ||
1016 !gv_fetchpv("top",FALSE,SVt_PVFM))
1017 IoTOP_NAME(io) = savepv(SvPVX(topname));
1019 IoTOP_NAME(io) = savepv("top");
1021 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1022 if (!topgv || !GvFORM(topgv)) {
1023 IoLINES_LEFT(io) = 100000000;
1026 IoTOP_GV(io) = topgv;
1028 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1029 I32 lines = IoLINES_LEFT(io);
1030 char *s = SvPVX(formtarget);
1031 if (lines <= 0) /* Yow, header didn't even fit!!! */
1033 while (lines-- > 0) {
1034 s = strchr(s, '\n');
1040 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1041 sv_chop(formtarget, s);
1042 FmLINES(formtarget) -= IoLINES_LEFT(io);
1045 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1046 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1047 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1049 formtarget = toptarget;
1050 IoFLAGS(io) |= IOf_DIDTOP;
1053 DIE("bad top format reference");
1056 SV *tmpsv = sv_newmortal();
1057 gv_efullname3(tmpsv, fgv, Nullch);
1058 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1061 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1062 return doform(cv,gv,op);
1074 warn("Filehandle only opened for input");
1076 warn("Write on closed filehandle");
1081 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1083 warn("page overflow");
1085 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1089 FmLINES(formtarget) = 0;
1090 SvCUR_set(formtarget, 0);
1091 *SvEND(formtarget) = '\0';
1092 if (IoFLAGS(io) & IOf_FLUSH)
1093 (void)PerlIO_flush(fp);
1097 formtarget = bodytarget;
1099 return pop_return();
1104 dSP; dMARK; dORIGMARK;
1111 if (op->op_flags & OPf_STACKED)
1116 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1117 if (MARK == ORIGMARK) {
1120 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1127 perl_call_method("PRINTF", G_SCALAR);
1130 MARK = ORIGMARK + 1;
1137 if (!(io = GvIO(gv))) {
1139 gv_fullname3(sv, gv, Nullch);
1140 warn("Filehandle %s never opened", SvPV(sv,na));
1142 SETERRNO(EBADF,RMS$_IFI);
1145 else if (!(fp = IoOFP(io))) {
1147 gv_fullname3(sv, gv, Nullch);
1149 warn("Filehandle %s opened only for input", SvPV(sv,na));
1151 warn("printf on closed filehandle %s", SvPV(sv,na));
1153 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1157 #ifdef USE_LOCALE_NUMERIC
1158 if (op->op_private & OPpLOCALE)
1159 SET_NUMERIC_LOCAL();
1161 SET_NUMERIC_STANDARD();
1163 do_sprintf(sv, SP - MARK, MARK + 1);
1164 if (!do_print(sv, fp))
1167 if (IoFLAGS(io) & IOf_FLUSH)
1168 if (PerlIO_flush(fp) == EOF)
1200 tmps = SvPV(sv, len);
1201 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1202 IoLINES(GvIOp(gv)) = 0;
1213 dSP; dMARK; dORIGMARK; dTARGET;
1219 Sock_size_t bufsize;
1225 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1226 SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1233 perl_call_method("READ", G_SCALAR);
1246 sv_setpvn(bufsv, "", 0);
1247 buffer = SvPV_force(bufsv, blen);
1248 length = SvIVx(*++MARK);
1250 DIE("Negative length");
1253 offset = SvIVx(*++MARK);
1257 if (!io || !IoIFP(io))
1260 if (op->op_type == OP_RECV) {
1261 char namebuf[MAXPATHLEN];
1262 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1263 bufsize = sizeof (struct sockaddr_in);
1265 bufsize = sizeof namebuf;
1267 buffer = SvGROW(bufsv, length+1);
1268 /* 'offset' means 'flags' here */
1269 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1270 (struct sockaddr *)namebuf, &bufsize);
1273 SvCUR_set(bufsv, length);
1274 *SvEND(bufsv) = '\0';
1275 (void)SvPOK_only(bufsv);
1277 /* This should not be marked tainted if the fp is marked clean */
1278 if (!(IoFLAGS(io) & IOf_UNTAINT))
1279 SvTAINTED_on(bufsv);
1281 sv_setpvn(TARG, namebuf, bufsize);
1286 if (op->op_type == OP_RECV)
1287 DIE(no_sock_func, "recv");
1291 DIE("Offset outside string");
1294 bufsize = SvCUR(bufsv);
1295 buffer = SvGROW(bufsv, length+offset+1);
1296 if (offset > bufsize) { /* Zero any newly allocated space */
1297 Zero(buffer+bufsize, offset-bufsize, char);
1299 if (op->op_type == OP_SYSREAD) {
1300 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1303 #ifdef HAS_SOCKET__bad_code_maybe
1304 if (IoTYPE(io) == 's') {
1305 char namebuf[MAXPATHLEN];
1306 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1307 bufsize = sizeof (struct sockaddr_in);
1309 bufsize = sizeof namebuf;
1311 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1312 (struct sockaddr *)namebuf, &bufsize);
1316 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1319 SvCUR_set(bufsv, length+offset);
1320 *SvEND(bufsv) = '\0';
1321 (void)SvPOK_only(bufsv);
1323 /* This should not be marked tainted if the fp is marked clean */
1324 if (!(IoFLAGS(io) & IOf_UNTAINT))
1325 SvTAINTED_on(bufsv);
1337 return pp_send(ARGS);
1342 dSP; dMARK; dORIGMARK; dTARGET;
1355 buffer = SvPV(bufsv, blen);
1356 length = SvIVx(*++MARK);
1358 DIE("Negative length");
1361 if (!io || !IoIFP(io)) {
1364 if (op->op_type == OP_SYSWRITE)
1365 warn("Syswrite on closed filehandle");
1367 warn("Send on closed socket");
1370 else if (op->op_type == OP_SYSWRITE) {
1372 offset = SvIVx(*++MARK);
1375 DIE("Offset outside string");
1377 } else if (offset >= blen && blen > 0)
1378 DIE("Offset outside string");
1381 if (length > blen - offset)
1382 length = blen - offset;
1383 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1386 else if (SP > MARK) {
1389 sockbuf = SvPVx(*++MARK, mlen);
1390 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1391 (struct sockaddr *)sockbuf, mlen);
1394 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1398 DIE(no_sock_func, "send");
1413 return pp_sysread(ARGS);
1424 gv = last_in_gv = (GV*)POPs;
1425 PUSHs(boolSV(!gv || do_eof(gv)));
1437 gv = last_in_gv = (GV*)POPs;
1438 PUSHi( do_tell(gv) );
1444 return pp_sysseek(ARGS);
1454 gv = last_in_gv = (GV*)POPs;
1455 if (op->op_type == OP_SEEK)
1456 PUSHs(boolSV(do_seek(gv, offset, whence)));
1458 long n = do_sysseek(gv, offset, whence);
1459 PUSHs((n < 0) ? &sv_undef
1460 : sv_2mortal(n ? newSViv((IV)n)
1461 : newSVpv(zero_but_true, ZBTLEN)));
1469 Off_t len = (Off_t)POPn;
1474 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1475 if (op->op_flags & OPf_SPECIAL) {
1476 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1478 TAINT_PROPER("truncate");
1479 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1481 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1483 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1491 if (SvTYPE(sv) == SVt_PVGV) {
1492 tmpgv = (GV*)sv; /* *main::FRED for example */
1495 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1496 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1500 name = SvPV(sv, na);
1501 TAINT_PROPER("truncate");
1503 if (truncate(name, len) < 0)
1508 if ((tmpfd = open(name, O_RDWR)) < 0)
1511 if (my_chsize(tmpfd, len) < 0)
1522 SETERRNO(EBADF,RMS$_IFI);
1525 DIE("truncate not implemented");
1531 return pp_ioctl(ARGS);
1538 unsigned int func = U_I(POPn);
1539 int optype = op->op_type;
1545 if (!io || !argsv || !IoIFP(io)) {
1546 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1550 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1553 s = SvPV_force(argsv, len);
1554 need = IOCPARM_LEN(func);
1556 s = Sv_Grow(argsv, need + 1);
1557 SvCUR_set(argsv, need);
1560 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1563 retval = SvIV(argsv);
1564 s = (char*)retval; /* ouch */
1567 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1569 if (optype == OP_IOCTL)
1571 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1573 DIE("ioctl is not implemented");
1577 #if defined(OS2) && defined(__EMX__)
1578 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1580 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1583 DIE("fcntl is not implemented");
1587 if (s[SvCUR(argsv)] != 17)
1588 DIE("Possible memory corruption: %s overflowed 3rd argument",
1590 s[SvCUR(argsv)] = 0; /* put our null back */
1591 SvSETMAGIC(argsv); /* Assume it has changed */
1600 PUSHp(zero_but_true, ZBTLEN);
1620 fp = IoIFP(GvIOp(gv));
1624 (void)PerlIO_flush(fp);
1625 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1632 DIE(no_func, "flock()");
1644 int protocol = POPi;
1652 SETERRNO(EBADF,LIB$_INVARG);
1658 do_close(gv, FALSE);
1660 TAINT_PROPER("socket");
1661 fd = socket(domain, type, protocol);
1664 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1665 IoOFP(io) = PerlIO_fdopen(fd, "w");
1667 if (!IoIFP(io) || !IoOFP(io)) {
1668 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1669 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1670 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1676 DIE(no_sock_func, "socket");
1683 #ifdef HAS_SOCKETPAIR
1688 int protocol = POPi;
1701 do_close(gv1, FALSE);
1703 do_close(gv2, FALSE);
1705 TAINT_PROPER("socketpair");
1706 if (socketpair(domain, type, protocol, fd) < 0)
1708 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1709 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1711 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1712 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1714 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1715 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1716 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1717 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1718 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1719 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1720 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1726 DIE(no_sock_func, "socketpair");
1737 register IO *io = GvIOn(gv);
1740 if (!io || !IoIFP(io))
1743 addr = SvPV(addrsv, len);
1744 TAINT_PROPER("bind");
1745 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1752 warn("bind() on closed fd");
1753 SETERRNO(EBADF,SS$_IVCHAN);
1756 DIE(no_sock_func, "bind");
1767 register IO *io = GvIOn(gv);
1770 if (!io || !IoIFP(io))
1773 addr = SvPV(addrsv, len);
1774 TAINT_PROPER("connect");
1775 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1782 warn("connect() on closed fd");
1783 SETERRNO(EBADF,SS$_IVCHAN);
1786 DIE(no_sock_func, "connect");
1796 register IO *io = GvIOn(gv);
1798 if (!io || !IoIFP(io))
1801 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1808 warn("listen() on closed fd");
1809 SETERRNO(EBADF,SS$_IVCHAN);
1812 DIE(no_sock_func, "listen");
1824 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1825 Sock_size_t len = sizeof saddr;
1837 if (!gstio || !IoIFP(gstio))
1842 do_close(ngv, FALSE);
1844 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1847 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1848 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1849 IoTYPE(nstio) = 's';
1850 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1851 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1852 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1853 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1857 PUSHp((char *)&saddr, len);
1862 warn("accept() on closed fd");
1863 SETERRNO(EBADF,SS$_IVCHAN);
1869 DIE(no_sock_func, "accept");
1879 register IO *io = GvIOn(gv);
1881 if (!io || !IoIFP(io))
1884 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1889 warn("shutdown() on closed fd");
1890 SETERRNO(EBADF,SS$_IVCHAN);
1893 DIE(no_sock_func, "shutdown");
1900 return pp_ssockopt(ARGS);
1902 DIE(no_sock_func, "getsockopt");
1910 int optype = op->op_type;
1913 unsigned int optname;
1919 if (optype == OP_GSOCKOPT)
1920 sv = sv_2mortal(NEWSV(22, 257));
1923 optname = (unsigned int) POPi;
1924 lvl = (unsigned int) POPi;
1928 if (!io || !IoIFP(io))
1931 fd = PerlIO_fileno(IoIFP(io));
1935 (void)SvPOK_only(sv);
1939 if (getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1952 else if (SvOK(sv)) {
1953 aint = (int)SvIV(sv);
1957 if (setsockopt(fd, lvl, optname, buf, len) < 0)
1967 warn("[gs]etsockopt() on closed fd");
1968 SETERRNO(EBADF,SS$_IVCHAN);
1973 DIE(no_sock_func, "setsockopt");
1980 return pp_getpeername(ARGS);
1982 DIE(no_sock_func, "getsockname");
1990 int optype = op->op_type;
1994 register IO *io = GvIOn(gv);
1997 if (!io || !IoIFP(io))
2000 sv = sv_2mortal(NEWSV(22, 257));
2001 (void)SvPOK_only(sv);
2005 fd = PerlIO_fileno(IoIFP(io));
2007 case OP_GETSOCKNAME:
2008 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2011 case OP_GETPEERNAME:
2012 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2014 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2016 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2017 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2018 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2019 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2020 sizeof(u_short) + sizeof(struct in_addr))) {
2027 #ifdef BOGUS_GETNAME_RETURN
2028 /* Interactive Unix, getpeername() and getsockname()
2029 does not return valid namelen */
2030 if (len == BOGUS_GETNAME_RETURN)
2031 len = sizeof(struct sockaddr);
2040 warn("get{sock, peer}name() on closed fd");
2041 SETERRNO(EBADF,SS$_IVCHAN);
2046 DIE(no_sock_func, "getpeername");
2054 return pp_stat(ARGS);
2064 if (op->op_flags & OPf_REF) {
2065 tmpgv = cGVOP->op_gv;
2067 if (tmpgv != defgv) {
2068 laststype = OP_STAT;
2070 sv_setpv(statname, "");
2071 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2072 ? Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2074 if (laststatval < 0)
2079 if (SvTYPE(sv) == SVt_PVGV) {
2083 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2084 tmpgv = (GV*)SvRV(sv);
2087 sv_setpv(statname, SvPV(sv,na));
2090 laststype = op->op_type;
2091 if (op->op_type == OP_LSTAT)
2092 laststatval = lstat(SvPV(statname, na), &statcache);
2095 laststatval = Stat(SvPV(statname, na), &statcache);
2096 if (laststatval < 0) {
2097 if (dowarn && strchr(SvPV(statname, na), '\n'))
2098 warn(warn_nl, "stat");
2104 if (gimme != G_ARRAY) {
2105 if (gimme != G_VOID)
2106 XPUSHs(boolSV(max));
2112 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2113 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2114 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2115 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2116 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2117 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2118 #ifdef USE_STAT_RDEV
2119 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2121 PUSHs(sv_2mortal(newSVpv("", 0)));
2123 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2125 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2126 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2127 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2129 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2130 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2131 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2133 #ifdef USE_STAT_BLOCKS
2134 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2135 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2137 PUSHs(sv_2mortal(newSVpv("", 0)));
2138 PUSHs(sv_2mortal(newSVpv("", 0)));
2146 I32 result = my_stat(ARGS);
2150 if (cando(S_IRUSR, 0, &statcache))
2157 I32 result = my_stat(ARGS);
2161 if (cando(S_IWUSR, 0, &statcache))
2168 I32 result = my_stat(ARGS);
2172 if (cando(S_IXUSR, 0, &statcache))
2179 I32 result = my_stat(ARGS);
2183 if (cando(S_IRUSR, 1, &statcache))
2190 I32 result = my_stat(ARGS);
2194 if (cando(S_IWUSR, 1, &statcache))
2201 I32 result = my_stat(ARGS);
2205 if (cando(S_IXUSR, 1, &statcache))
2212 I32 result = my_stat(ARGS);
2221 return pp_ftrowned(ARGS);
2226 I32 result = my_stat(ARGS);
2230 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2237 I32 result = my_stat(ARGS);
2241 if (!statcache.st_size)
2248 I32 result = my_stat(ARGS);
2252 PUSHi(statcache.st_size);
2258 I32 result = my_stat(ARGS);
2262 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2268 I32 result = my_stat(ARGS);
2272 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2278 I32 result = my_stat(ARGS);
2282 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2288 I32 result = my_stat(ARGS);
2292 if (S_ISSOCK(statcache.st_mode))
2299 I32 result = my_stat(ARGS);
2303 if (S_ISCHR(statcache.st_mode))
2310 I32 result = my_stat(ARGS);
2314 if (S_ISBLK(statcache.st_mode))
2321 I32 result = my_stat(ARGS);
2325 if (S_ISREG(statcache.st_mode))
2332 I32 result = my_stat(ARGS);
2336 if (S_ISDIR(statcache.st_mode))
2343 I32 result = my_stat(ARGS);
2347 if (S_ISFIFO(statcache.st_mode))
2354 I32 result = my_lstat(ARGS);
2358 if (S_ISLNK(statcache.st_mode))
2367 I32 result = my_stat(ARGS);
2371 if (statcache.st_mode & S_ISUID)
2381 I32 result = my_stat(ARGS);
2385 if (statcache.st_mode & S_ISGID)
2395 I32 result = my_stat(ARGS);
2399 if (statcache.st_mode & S_ISVTX)
2410 char *tmps = Nullch;
2412 if (op->op_flags & OPf_REF)
2414 else if (isGV(TOPs))
2416 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2417 gv = (GV*)SvRV(POPs);
2419 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2421 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2422 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2423 else if (tmps && isDIGIT(*tmps))
2432 #if defined(atarist) /* this will work with atariST. Configure will
2433 make guesses for other systems. */
2434 # define FILE_base(f) ((f)->_base)
2435 # define FILE_ptr(f) ((f)->_ptr)
2436 # define FILE_cnt(f) ((f)->_cnt)
2437 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2447 register STDCHAR *s;
2452 if (op->op_flags & OPf_REF)
2454 else if (isGV(TOPs))
2456 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2457 gv = (GV*)SvRV(POPs);
2468 goto really_filename;
2474 sv_setpv(statname, "");
2477 if (io && IoIFP(io)) {
2478 if (! PerlIO_has_base(IoIFP(io)))
2479 DIE("-T and -B not implemented on filehandles");
2480 laststatval = Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2481 if (laststatval < 0)
2483 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2484 if (op->op_type == OP_FTTEXT)
2488 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2489 i = PerlIO_getc(IoIFP(io));
2491 (void)PerlIO_ungetc(IoIFP(io),i);
2493 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2495 len = PerlIO_get_bufsiz(IoIFP(io));
2496 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2497 /* sfio can have large buffers - limit to 512 */
2503 warn("Test on unopened file <%s>",
2504 GvENAME(cGVOP->op_gv));
2505 SETERRNO(EBADF,RMS$_IFI);
2514 sv_setpv(statname, SvPV(sv, na));
2516 i = open(SvPV(sv, na), O_RDONLY, 0);
2518 i = open(SvPV(sv, na), 0);
2521 if (dowarn && strchr(SvPV(sv, na), '\n'))
2522 warn(warn_nl, "open");
2525 laststatval = Fstat(i, &statcache);
2526 if (laststatval < 0)
2528 len = read(i, tbuf, 512);
2531 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2532 RETPUSHNO; /* special case NFS directories */
2533 RETPUSHYES; /* null file is anything */
2538 /* now scan s to look for textiness */
2539 /* XXX ASCII dependent code */
2541 for (i = 0; i < len; i++, s++) {
2542 if (!*s) { /* null never allowed in text */
2549 *s != '\n' && *s != '\r' && *s != '\b' &&
2550 *s != '\t' && *s != '\f' && *s != 27)
2554 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2562 return pp_fttext(ARGS);
2577 if (!tmps || !*tmps) {
2578 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2580 tmps = SvPV(*svp, na);
2582 if (!tmps || !*tmps) {
2583 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2585 tmps = SvPV(*svp, na);
2587 TAINT_PROPER("chdir");
2588 PUSHi( chdir(tmps) >= 0 );
2590 /* Clear the DEFAULT element of ENV so we'll get the new value
2592 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2599 dSP; dMARK; dTARGET;
2602 value = (I32)apply(op->op_type, MARK, SP);
2607 DIE(no_func, "Unsupported function chown");
2617 TAINT_PROPER("chroot");
2618 PUSHi( chroot(tmps) >= 0 );
2621 DIE(no_func, "chroot");
2627 dSP; dMARK; dTARGET;
2629 value = (I32)apply(op->op_type, MARK, SP);
2637 dSP; dMARK; dTARGET;
2639 value = (I32)apply(op->op_type, MARK, SP);
2647 dSP; dMARK; dTARGET;
2649 value = (I32)apply(op->op_type, MARK, SP);
2661 char *tmps = SvPV(TOPs, na);
2662 TAINT_PROPER("rename");
2664 anum = rename(tmps, tmps2);
2666 if (!(anum = Stat(tmps, &statbuf))) {
2667 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2670 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2671 (void)UNLINK(tmps2);
2672 if (!(anum = link(tmps, tmps2)))
2673 anum = UNLINK(tmps);
2686 char *tmps = SvPV(TOPs, na);
2687 TAINT_PROPER("link");
2688 SETi( link(tmps, tmps2) >= 0 );
2690 DIE(no_func, "Unsupported function link");
2700 char *tmps = SvPV(TOPs, na);
2701 TAINT_PROPER("symlink");
2702 SETi( symlink(tmps, tmps2) >= 0 );
2705 DIE(no_func, "symlink");
2714 char buf[MAXPATHLEN];
2717 #ifndef INCOMPLETE_TAINTS
2721 len = readlink(tmps, buf, sizeof buf);
2729 RETSETUNDEF; /* just pretend it's a normal file */
2733 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2735 dooneliner(cmd, filename)
2739 char *save_filename = filename;
2745 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2746 strcpy(cmdline, cmd);
2747 strcat(cmdline, " ");
2748 for (s = cmdline + strlen(cmdline); *filename; ) {
2753 myfp = my_popen(cmdline, "r");
2757 SV *tmpsv = sv_newmortal();
2758 /* Need to save/restore 'rs' ?? */
2759 s = sv_gets(tmpsv, myfp, 0);
2760 (void)my_pclose(myfp);
2764 #ifdef HAS_SYS_ERRLIST
2769 /* you don't see this */
2771 #ifdef HAS_SYS_ERRLIST
2779 if (instr(s, errmsg)) {
2786 #define EACCES EPERM
2788 if (instr(s, "cannot make"))
2789 SETERRNO(EEXIST,RMS$_FEX);
2790 else if (instr(s, "existing file"))
2791 SETERRNO(EEXIST,RMS$_FEX);
2792 else if (instr(s, "ile exists"))
2793 SETERRNO(EEXIST,RMS$_FEX);
2794 else if (instr(s, "non-exist"))
2795 SETERRNO(ENOENT,RMS$_FNF);
2796 else if (instr(s, "does not exist"))
2797 SETERRNO(ENOENT,RMS$_FNF);
2798 else if (instr(s, "not empty"))
2799 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2800 else if (instr(s, "cannot access"))
2801 SETERRNO(EACCES,RMS$_PRV);
2803 SETERRNO(EPERM,RMS$_PRV);
2806 else { /* some mkdirs return no failure indication */
2807 anum = (Stat(save_filename, &statbuf) >= 0);
2808 if (op->op_type == OP_RMDIR)
2813 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2829 char *tmps = SvPV(TOPs, na);
2831 TAINT_PROPER("mkdir");
2833 SETi( Mkdir(tmps, mode) >= 0 );
2835 SETi( dooneliner("mkdir", tmps) );
2836 oldumask = umask(0);
2838 chmod(tmps, (mode & ~oldumask) & 0777);
2849 TAINT_PROPER("rmdir");
2851 XPUSHi( rmdir(tmps) >= 0 );
2853 XPUSHi( dooneliner("rmdir", tmps) );
2858 /* Directory calls. */
2863 #if defined(Direntry_t) && defined(HAS_READDIR)
2864 char *dirname = POPp;
2866 register IO *io = GvIOn(gv);
2872 closedir(IoDIRP(io));
2873 if (!(IoDIRP(io) = opendir(dirname)))
2879 SETERRNO(EBADF,RMS$_DIR);
2882 DIE(no_dir_func, "opendir");
2889 #if defined(Direntry_t) && defined(HAS_READDIR)
2891 Direntry_t *readdir _((DIR *));
2893 register Direntry_t *dp;
2895 register IO *io = GvIOn(gv);
2898 if (!io || !IoDIRP(io))
2901 if (GIMME == G_ARRAY) {
2903 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2905 sv = newSVpv(dp->d_name, dp->d_namlen);
2907 sv = newSVpv(dp->d_name, 0);
2909 #ifndef INCOMPLETE_TAINTS
2912 XPUSHs(sv_2mortal(sv));
2916 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2919 sv = newSVpv(dp->d_name, dp->d_namlen);
2921 sv = newSVpv(dp->d_name, 0);
2923 #ifndef INCOMPLETE_TAINTS
2926 XPUSHs(sv_2mortal(sv));
2932 SETERRNO(EBADF,RMS$_ISI);
2933 if (GIMME == G_ARRAY)
2938 DIE(no_dir_func, "readdir");
2945 #if defined(HAS_TELLDIR) || defined(telldir)
2946 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE) && !defined(DONT_DECLARE_STD)
2947 long telldir _((DIR *));
2950 register IO *io = GvIOn(gv);
2952 if (!io || !IoDIRP(io))
2955 PUSHi( telldir(IoDIRP(io)) );
2959 SETERRNO(EBADF,RMS$_ISI);
2962 DIE(no_dir_func, "telldir");
2969 #if defined(HAS_SEEKDIR) || defined(seekdir)
2972 register IO *io = GvIOn(gv);
2974 if (!io || !IoDIRP(io))
2977 (void)seekdir(IoDIRP(io), along);
2982 SETERRNO(EBADF,RMS$_ISI);
2985 DIE(no_dir_func, "seekdir");
2992 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2994 register IO *io = GvIOn(gv);
2996 if (!io || !IoDIRP(io))
2999 (void)rewinddir(IoDIRP(io));
3003 SETERRNO(EBADF,RMS$_ISI);
3006 DIE(no_dir_func, "rewinddir");
3013 #if defined(Direntry_t) && defined(HAS_READDIR)
3015 register IO *io = GvIOn(gv);
3017 if (!io || !IoDIRP(io))
3020 #ifdef VOID_CLOSEDIR
3021 closedir(IoDIRP(io));
3023 if (closedir(IoDIRP(io)) < 0) {
3024 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3033 SETERRNO(EBADF,RMS$_IFI);
3036 DIE(no_dir_func, "closedir");
3040 /* Process control. */
3055 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3056 sv_setiv(GvSV(tmpgv), (IV)getpid());
3057 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3062 DIE(no_func, "Unsupported function fork");
3068 #if !defined(DOSISH) || defined(OS2)
3073 childpid = wait4pid(-1, &argflags, 0);
3074 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3078 DIE(no_func, "Unsupported function wait");
3084 #if !defined(DOSISH) || defined(OS2)
3092 childpid = wait4pid(childpid, &argflags, optype);
3093 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3097 DIE(no_func, "Unsupported function wait");
3103 dSP; dMARK; dORIGMARK; dTARGET;
3108 Sigsave_t ihand,qhand; /* place to save signals during system() */
3110 if (SP - MARK == 1) {
3112 char *junk = SvPV(TOPs, na);
3114 TAINT_PROPER("system");
3117 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3118 while ((childpid = vfork()) == -1) {
3119 if (errno != EAGAIN) {
3128 rsignal_save(SIGINT, SIG_IGN, &ihand);
3129 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3131 result = wait4pid(childpid, &status, 0);
3132 } while (result == -1 && errno == EINTR);
3133 (void)rsignal_restore(SIGINT, &ihand);
3134 (void)rsignal_restore(SIGQUIT, &qhand);
3135 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3136 do_execfree(); /* free any memory child malloced on vfork */
3138 PUSHi(STATUS_CURRENT);
3141 if (op->op_flags & OPf_STACKED) {
3142 SV *really = *++MARK;
3143 value = (I32)do_aexec(really, MARK, SP);
3145 else if (SP - MARK != 1)
3146 value = (I32)do_aexec(Nullsv, MARK, SP);
3148 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3151 #else /* ! FORK or VMS or OS/2 */
3152 if (op->op_flags & OPf_STACKED) {
3153 SV *really = *++MARK;
3154 value = (I32)do_aspawn(really, MARK, SP);
3156 else if (SP - MARK != 1)
3157 value = (I32)do_aspawn(Nullsv, MARK, SP);
3159 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3161 STATUS_NATIVE_SET(value);
3164 PUSHi(STATUS_CURRENT);
3165 #endif /* !FORK or VMS */
3171 dSP; dMARK; dORIGMARK; dTARGET;
3174 if (op->op_flags & OPf_STACKED) {
3175 SV *really = *++MARK;
3176 value = (I32)do_aexec(really, MARK, SP);
3178 else if (SP - MARK != 1)
3180 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3182 value = (I32)do_aexec(Nullsv, MARK, SP);
3186 char *junk = SvPV(*SP, na);
3188 TAINT_PROPER("exec");
3191 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3193 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3203 dSP; dMARK; dTARGET;
3206 value = (I32)apply(op->op_type, MARK, SP);
3211 DIE(no_func, "Unsupported function kill");
3219 XPUSHi( getppid() );
3222 DIE(no_func, "getppid");
3238 value = (I32)BSD_GETPGRP(pid);
3240 if (pid != 0 && pid != getpid())
3241 DIE("POSIX getpgrp can't take an argument");
3242 value = (I32)getpgrp();
3247 DIE(no_func, "getpgrp()");
3266 TAINT_PROPER("setpgrp");
3268 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3270 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3271 DIE("POSIX setpgrp can't take an argument");
3272 SETi( setpgrp() >= 0 );
3273 #endif /* USE_BSDPGRP */
3276 DIE(no_func, "setpgrp()");
3285 #ifdef HAS_GETPRIORITY
3288 SETi( getpriority(which, who) );
3291 DIE(no_func, "getpriority()");
3301 #ifdef HAS_SETPRIORITY
3305 TAINT_PROPER("setpriority");
3306 SETi( setpriority(which, who, niceval) >= 0 );
3309 DIE(no_func, "setpriority()");
3319 XPUSHn( time(Null(Time_t*)) );
3321 XPUSHi( time(Null(Time_t*)) );
3326 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3327 to HZ. Probably. For now, assume that if the system
3328 defines HZ, it does so correctly. (Will this break
3330 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3331 it's supported. --AD 9/96.
3347 DIE("times not implemented");
3352 (void)times(×buf);
3354 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3355 /* struct tms, though same data */
3359 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3360 if (GIMME == G_ARRAY) {
3361 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3362 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3363 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3366 #endif /* HAS_TIMES */
3371 return pp_gmtime(ARGS);
3379 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3380 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3381 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3387 when = (Time_t)SvNVx(POPs);
3389 when = (Time_t)SvIVx(POPs);
3392 if (op->op_type == OP_LOCALTIME)
3393 tmbuf = localtime(&when);
3395 tmbuf = gmtime(&when);
3399 if (GIMME != G_ARRAY) {
3404 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3405 dayname[tmbuf->tm_wday],
3406 monname[tmbuf->tm_mon],
3411 tmbuf->tm_year + 1900);
3412 PUSHs(sv_2mortal(tsv));
3415 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3416 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3417 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3418 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3419 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3420 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3421 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3422 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3423 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3434 anum = alarm((unsigned int)anum);
3441 DIE(no_func, "Unsupported function alarm");
3452 (void)time(&lasttime);
3457 sleep((unsigned int)duration);
3460 XPUSHi(when - lasttime);
3464 /* Shared memory. */
3468 return pp_semget(ARGS);
3473 return pp_semctl(ARGS);
3478 return pp_shmwrite(ARGS);
3483 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3484 dSP; dMARK; dTARGET;
3485 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3490 return pp_semget(ARGS);
3494 /* Message passing. */
3498 return pp_semget(ARGS);
3503 return pp_semctl(ARGS);
3508 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3509 dSP; dMARK; dTARGET;
3510 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3515 return pp_semget(ARGS);
3521 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3522 dSP; dMARK; dTARGET;
3523 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3528 return pp_semget(ARGS);
3536 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3537 dSP; dMARK; dTARGET;
3538 int anum = do_ipcget(op->op_type, MARK, SP);
3545 DIE("System V IPC is not implemented on this machine");
3551 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3552 dSP; dMARK; dTARGET;
3553 int anum = do_ipcctl(op->op_type, MARK, SP);
3561 PUSHp(zero_but_true, ZBTLEN);
3565 return pp_semget(ARGS);
3571 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3572 dSP; dMARK; dTARGET;
3573 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3578 return pp_semget(ARGS);
3582 /* Get system info. */
3587 return pp_ghostent(ARGS);
3589 DIE(no_sock_func, "gethostbyname");
3596 return pp_ghostent(ARGS);
3598 DIE(no_sock_func, "gethostbyaddr");
3606 I32 which = op->op_type;
3607 register char **elem;
3609 #if defined(HAS_GETHOSTENT) && !defined(DONT_DECLARE_STD)
3610 struct hostent *gethostbyname(const char *);
3611 struct hostent *gethostbyaddr(const char *, int, int);
3612 struct hostent *gethostent(void);
3614 struct hostent *hent;
3618 if (which == OP_GHBYNAME) {
3619 hent = gethostbyname(POPp);
3621 else if (which == OP_GHBYADDR) {
3622 int addrtype = POPi;
3625 char *addr = SvPV(addrsv, addrlen);
3627 hent = gethostbyaddr(addr, addrlen, addrtype);
3630 #ifdef HAS_GETHOSTENT
3631 hent = gethostent();
3633 DIE("gethostent not implemented");
3636 #ifdef HOST_NOT_FOUND
3638 STATUS_NATIVE_SET(h_errno);
3641 if (GIMME != G_ARRAY) {
3642 PUSHs(sv = sv_newmortal());
3644 if (which == OP_GHBYNAME) {
3646 sv_setpvn(sv, hent->h_addr, hent->h_length);
3649 sv_setpv(sv, (char*)hent->h_name);
3655 PUSHs(sv = sv_mortalcopy(&sv_no));
3656 sv_setpv(sv, (char*)hent->h_name);
3657 PUSHs(sv = sv_mortalcopy(&sv_no));
3658 for (elem = hent->h_aliases; elem && *elem; elem++) {
3659 sv_catpv(sv, *elem);
3661 sv_catpvn(sv, " ", 1);
3663 PUSHs(sv = sv_mortalcopy(&sv_no));
3664 sv_setiv(sv, (IV)hent->h_addrtype);
3665 PUSHs(sv = sv_mortalcopy(&sv_no));
3666 len = hent->h_length;
3667 sv_setiv(sv, (IV)len);
3669 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3670 XPUSHs(sv = sv_mortalcopy(&sv_no));
3671 sv_setpvn(sv, *elem, len);
3674 PUSHs(sv = sv_mortalcopy(&sv_no));
3676 sv_setpvn(sv, hent->h_addr, len);
3681 DIE(no_sock_func, "gethostent");
3688 return pp_gnetent(ARGS);
3690 DIE(no_sock_func, "getnetbyname");
3697 return pp_gnetent(ARGS);
3699 DIE(no_sock_func, "getnetbyaddr");
3707 I32 which = op->op_type;
3708 register char **elem;
3710 #ifndef DONT_DECLARE_STD
3711 struct netent *getnetbyname(const char *);
3712 struct netent *getnetbyaddr(long int, int);
3713 struct netent *getnetent(void);
3715 struct netent *nent;
3717 if (which == OP_GNBYNAME)
3718 nent = getnetbyname(POPp);
3719 else if (which == OP_GNBYADDR) {
3720 int addrtype = POPi;
3721 unsigned long addr = U_L(POPn);
3722 nent = getnetbyaddr((long)addr, addrtype);
3728 if (GIMME != G_ARRAY) {
3729 PUSHs(sv = sv_newmortal());
3731 if (which == OP_GNBYNAME)
3732 sv_setiv(sv, (IV)nent->n_net);
3734 sv_setpv(sv, nent->n_name);
3740 PUSHs(sv = sv_mortalcopy(&sv_no));
3741 sv_setpv(sv, nent->n_name);
3742 PUSHs(sv = sv_mortalcopy(&sv_no));
3743 for (elem = nent->n_aliases; elem && *elem; elem++) {
3744 sv_catpv(sv, *elem);
3746 sv_catpvn(sv, " ", 1);
3748 PUSHs(sv = sv_mortalcopy(&sv_no));
3749 sv_setiv(sv, (IV)nent->n_addrtype);
3750 PUSHs(sv = sv_mortalcopy(&sv_no));
3751 sv_setiv(sv, (IV)nent->n_net);
3756 DIE(no_sock_func, "getnetent");
3763 return pp_gprotoent(ARGS);
3765 DIE(no_sock_func, "getprotobyname");
3772 return pp_gprotoent(ARGS);
3774 DIE(no_sock_func, "getprotobynumber");
3782 I32 which = op->op_type;
3783 register char **elem;
3785 #ifndef DONT_DECLARE_STD
3786 struct protoent *getprotobyname(const char *);
3787 struct protoent *getprotobynumber(int);
3788 struct protoent *getprotoent(void);
3790 struct protoent *pent;
3792 if (which == OP_GPBYNAME)
3793 pent = getprotobyname(POPp);
3794 else if (which == OP_GPBYNUMBER)
3795 pent = getprotobynumber(POPi);
3797 pent = getprotoent();
3800 if (GIMME != G_ARRAY) {
3801 PUSHs(sv = sv_newmortal());
3803 if (which == OP_GPBYNAME)
3804 sv_setiv(sv, (IV)pent->p_proto);
3806 sv_setpv(sv, pent->p_name);
3812 PUSHs(sv = sv_mortalcopy(&sv_no));
3813 sv_setpv(sv, pent->p_name);
3814 PUSHs(sv = sv_mortalcopy(&sv_no));
3815 for (elem = pent->p_aliases; elem && *elem; elem++) {
3816 sv_catpv(sv, *elem);
3818 sv_catpvn(sv, " ", 1);
3820 PUSHs(sv = sv_mortalcopy(&sv_no));
3821 sv_setiv(sv, (IV)pent->p_proto);
3826 DIE(no_sock_func, "getprotoent");
3833 return pp_gservent(ARGS);
3835 DIE(no_sock_func, "getservbyname");
3842 return pp_gservent(ARGS);
3844 DIE(no_sock_func, "getservbyport");
3852 I32 which = op->op_type;
3853 register char **elem;
3855 #ifndef DONT_DECLARE_STD
3856 struct servent *getservbyname(const char *, const char *);
3857 struct servent *getservbynumber();
3858 struct servent *getservent(void);
3860 struct servent *sent;
3862 if (which == OP_GSBYNAME) {
3866 if (proto && !*proto)
3869 sent = getservbyname(name, proto);
3871 else if (which == OP_GSBYPORT) {
3873 unsigned short port = POPu;
3878 sent = getservbyport(port, proto);
3881 sent = getservent();
3884 if (GIMME != G_ARRAY) {
3885 PUSHs(sv = sv_newmortal());
3887 if (which == OP_GSBYNAME) {
3889 sv_setiv(sv, (IV)ntohs(sent->s_port));
3891 sv_setiv(sv, (IV)(sent->s_port));
3895 sv_setpv(sv, sent->s_name);
3901 PUSHs(sv = sv_mortalcopy(&sv_no));
3902 sv_setpv(sv, sent->s_name);
3903 PUSHs(sv = sv_mortalcopy(&sv_no));
3904 for (elem = sent->s_aliases; elem && *elem; elem++) {
3905 sv_catpv(sv, *elem);
3907 sv_catpvn(sv, " ", 1);
3909 PUSHs(sv = sv_mortalcopy(&sv_no));
3911 sv_setiv(sv, (IV)ntohs(sent->s_port));
3913 sv_setiv(sv, (IV)(sent->s_port));
3915 PUSHs(sv = sv_mortalcopy(&sv_no));
3916 sv_setpv(sv, sent->s_proto);
3921 DIE(no_sock_func, "getservent");
3932 DIE(no_sock_func, "sethostent");
3943 DIE(no_sock_func, "setnetent");
3954 DIE(no_sock_func, "setprotoent");
3965 DIE(no_sock_func, "setservent");
3977 DIE(no_sock_func, "endhostent");
3989 DIE(no_sock_func, "endnetent");
4001 DIE(no_sock_func, "endprotoent");
4013 DIE(no_sock_func, "endservent");
4020 return pp_gpwent(ARGS);
4022 DIE(no_func, "getpwnam");
4029 return pp_gpwent(ARGS);
4031 DIE(no_func, "getpwuid");
4039 I32 which = op->op_type;
4041 struct passwd *pwent;
4043 if (which == OP_GPWNAM)
4044 pwent = getpwnam(POPp);
4045 else if (which == OP_GPWUID)
4046 pwent = getpwuid(POPi);
4048 pwent = (struct passwd *)getpwent();
4051 if (GIMME != G_ARRAY) {
4052 PUSHs(sv = sv_newmortal());
4054 if (which == OP_GPWNAM)
4055 sv_setiv(sv, (IV)pwent->pw_uid);
4057 sv_setpv(sv, pwent->pw_name);
4063 PUSHs(sv = sv_mortalcopy(&sv_no));
4064 sv_setpv(sv, pwent->pw_name);
4065 PUSHs(sv = sv_mortalcopy(&sv_no));
4066 sv_setpv(sv, pwent->pw_passwd);
4067 PUSHs(sv = sv_mortalcopy(&sv_no));
4068 sv_setiv(sv, (IV)pwent->pw_uid);
4069 PUSHs(sv = sv_mortalcopy(&sv_no));
4070 sv_setiv(sv, (IV)pwent->pw_gid);
4071 PUSHs(sv = sv_mortalcopy(&sv_no));
4073 sv_setiv(sv, (IV)pwent->pw_change);
4076 sv_setiv(sv, (IV)pwent->pw_quota);
4079 sv_setpv(sv, pwent->pw_age);
4083 PUSHs(sv = sv_mortalcopy(&sv_no));
4085 sv_setpv(sv, pwent->pw_class);
4088 sv_setpv(sv, pwent->pw_comment);
4091 PUSHs(sv = sv_mortalcopy(&sv_no));
4092 sv_setpv(sv, pwent->pw_gecos);
4093 #ifndef INCOMPLETE_TAINTS
4096 PUSHs(sv = sv_mortalcopy(&sv_no));
4097 sv_setpv(sv, pwent->pw_dir);
4098 PUSHs(sv = sv_mortalcopy(&sv_no));
4099 sv_setpv(sv, pwent->pw_shell);
4101 PUSHs(sv = sv_mortalcopy(&sv_no));
4102 sv_setiv(sv, (IV)pwent->pw_expire);
4107 DIE(no_func, "getpwent");
4114 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4118 DIE(no_func, "setpwent");
4129 DIE(no_func, "endpwent");
4136 return pp_ggrent(ARGS);
4138 DIE(no_func, "getgrnam");
4145 return pp_ggrent(ARGS);
4147 DIE(no_func, "getgrgid");
4155 I32 which = op->op_type;
4156 register char **elem;
4158 struct group *grent;
4160 if (which == OP_GGRNAM)
4161 grent = (struct group *)getgrnam(POPp);
4162 else if (which == OP_GGRGID)
4163 grent = (struct group *)getgrgid(POPi);
4165 grent = (struct group *)getgrent();
4168 if (GIMME != G_ARRAY) {
4169 PUSHs(sv = sv_newmortal());
4171 if (which == OP_GGRNAM)
4172 sv_setiv(sv, (IV)grent->gr_gid);
4174 sv_setpv(sv, grent->gr_name);
4180 PUSHs(sv = sv_mortalcopy(&sv_no));
4181 sv_setpv(sv, grent->gr_name);
4182 PUSHs(sv = sv_mortalcopy(&sv_no));
4183 sv_setpv(sv, grent->gr_passwd);
4184 PUSHs(sv = sv_mortalcopy(&sv_no));
4185 sv_setiv(sv, (IV)grent->gr_gid);
4186 PUSHs(sv = sv_mortalcopy(&sv_no));
4187 for (elem = grent->gr_mem; elem && *elem; elem++) {
4188 sv_catpv(sv, *elem);
4190 sv_catpvn(sv, " ", 1);
4196 DIE(no_func, "getgrent");
4207 DIE(no_func, "setgrent");
4218 DIE(no_func, "endgrent");
4228 if (!(tmps = getlogin()))
4230 PUSHp(tmps, strlen(tmps));
4233 DIE(no_func, "getlogin");
4237 /* Miscellaneous. */
4242 dSP; dMARK; dORIGMARK; dTARGET;
4243 register I32 items = SP - MARK;
4244 unsigned long a[20];
4250 while (++MARK <= SP) {
4251 if (SvTAINTED(*MARK)) {
4257 TAINT_PROPER("syscall");
4260 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4261 * or where sizeof(long) != sizeof(char*). But such machines will
4262 * not likely have syscall implemented either, so who cares?
4264 while (++MARK <= SP) {
4265 if (SvNIOK(*MARK) || !i)
4266 a[i++] = SvIV(*MARK);
4267 else if (*MARK == &sv_undef)
4270 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4276 DIE("Too many args to syscall");
4278 DIE("Too few args to syscall");
4280 retval = syscall(a[0]);
4283 retval = syscall(a[0],a[1]);
4286 retval = syscall(a[0],a[1],a[2]);
4289 retval = syscall(a[0],a[1],a[2],a[3]);
4292 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4295 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4298 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4301 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4305 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4308 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4311 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4315 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4319 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4323 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4324 a[10],a[11],a[12],a[13]);
4326 #endif /* atarist */
4332 DIE(no_func, "syscall");
4336 #ifdef FCNTL_EMULATE_FLOCK
4338 /* XXX Emulate flock() with fcntl().
4339 What's really needed is a good file locking module.
4343 fcntl_emulate_flock(int fd, int operation)
4347 switch (operation & ~LOCK_NB) {
4349 flock.l_type = F_RDLCK;
4352 flock.l_type = F_WRLCK;
4355 flock.l_type = F_UNLCK;
4361 flock.l_whence = SEEK_SET;
4362 flock.l_start = flock.l_len = 0L;
4364 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4367 #endif /* FCNTL_EMULATE_FLOCK */
4369 #ifdef LOCKF_EMULATE_FLOCK
4371 /* XXX Emulate flock() with lockf(). This is just to increase
4372 portability of scripts. The calls are not completely
4373 interchangeable. What's really needed is a good file
4377 /* The lockf() constants might have been defined in <unistd.h>.
4378 Unfortunately, <unistd.h> causes troubles on some mixed
4379 (BSD/POSIX) systems, such as SunOS 4.1.3.
4381 Further, the lockf() constants aren't POSIX, so they might not be
4382 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4383 just stick in the SVID values and be done with it. Sigh.
4387 # define F_ULOCK 0 /* Unlock a previously locked region */
4390 # define F_LOCK 1 /* Lock a region for exclusive use */
4393 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4396 # define F_TEST 3 /* Test a region for other processes locks */
4400 lockf_emulate_flock (fd, operation)
4408 /* flock locks entire file so for lockf we need to do the same */
4410 pos = lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4411 if (pos > 0) /* is seekable and needs to be repositioned */
4412 if (lseek(fd, (Off_t)0, SEEK_SET) < 0)
4413 pos = -1; /* seek failed, so don't seek back afterwards */
4416 switch (operation) {
4418 /* LOCK_SH - get a shared lock */
4420 /* LOCK_EX - get an exclusive lock */
4422 i = lockf (fd, F_LOCK, 0);
4425 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4426 case LOCK_SH|LOCK_NB:
4427 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4428 case LOCK_EX|LOCK_NB:
4429 i = lockf (fd, F_TLOCK, 0);
4431 if ((errno == EAGAIN) || (errno == EACCES))
4432 errno = EWOULDBLOCK;
4435 /* LOCK_UN - unlock (non-blocking is a no-op) */
4437 case LOCK_UN|LOCK_NB:
4438 i = lockf (fd, F_ULOCK, 0);
4441 /* Default - can't decipher operation */
4448 if (pos > 0) /* need to restore position of the handle */
4449 lseek(fd, pos, SEEK_SET); /* ignore error here */
4454 #endif /* LOCKF_EMULATE_FLOCK */