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 (void)SvUPGRADE(errsv, SVt_PV);
288 if (SvPOK(errsv) && SvCUR(errsv))
289 sv_catpv(errsv, "\t...caught");
290 tmps = SvPV(errsv, na);
293 tmps = "Warning: something's wrong";
302 if (SP - MARK != 1) {
304 do_join(TARG, &sv_no, MARK, SP);
305 tmps = SvPV(TARG, na);
309 tmps = SvPV(TOPs, na);
311 if (!tmps || !*tmps) {
312 (void)SvUPGRADE(errsv, SVt_PV);
313 if (SvPOK(errsv) && SvCUR(errsv))
314 sv_catpv(errsv, "\t...propagated");
315 tmps = SvPV(errsv, na);
335 DIE(no_usym, "filehandle");
340 DIE(no_usym, "filehandle");
342 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
343 tmps = SvPV(sv, len);
344 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp))
345 PUSHi( (I32)forkprocess );
346 else if (forkprocess == 0) /* we are a new child */
363 PUSHs(boolSV(do_close(gv, TRUE)));
383 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
384 DIE(no_usym, "filehandle");
389 do_close(rgv, FALSE);
391 do_close(wgv, FALSE);
396 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
397 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
398 IoIFP(wstio) = IoOFP(wstio);
402 if (!IoIFP(rstio) || !IoOFP(wstio)) {
403 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
405 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
415 DIE(no_func, "pipe");
428 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
430 PUSHi(PerlIO_fileno(fp));
446 TAINT_PROPER("umask");
449 DIE(no_func, "Unsupported function umask");
467 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
472 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
477 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1) {
478 #if defined(WIN32) && defined(__BORLANDC__)
479 /* The translation mode of the stream is maintained independent
480 * of the translation mode of the fd in the Borland RTL (heavy
481 * digging through their runtime sources reveal). User has to
482 * set the mode explicitly for the stream (though they don't
483 * document this anywhere). GSAR 97-5-24
485 PerlIO_seek(fp,0L,0);
494 #if defined(USEMYBINMODE)
495 if (my_binmode(fp,IoTYPE(io)) != NULL)
513 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
514 I32 markoff = mark - stack_base - 1;
518 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));
537 Zero(&myop, 1, BINOP);
538 myop.op_last = (OP *) &myop;
539 myop.op_next = Nullop;
540 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
546 if (PERLDB_SUB && curstash != debstash)
547 op->op_private |= OPpENTERSUB_DB;
549 XPUSHs((SV*)GvCV(gv));
552 if (op = pp_entersub(ARGS))
559 perl_call_sv((SV*)gv, G_SCALAR);
563 if (sv_isobject(sv)) {
564 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
565 sv_unmagic(varsv, 'P');
566 sv_magic(varsv, sv, 'P', Nullch, 0);
569 sv_unmagic(varsv, 'q');
570 sv_magic(varsv, sv, 'q', Nullch, 0);
574 SP = stack_base + markoff;
589 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
590 mg = mg_find(sv, 'P') ;
592 mg = mg_find(sv, 'q') ;
594 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
595 warn("untie attempted while %lu inner references still exist",
596 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
600 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
615 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
616 mg = mg_find(sv, 'P') ;
618 mg = mg_find(sv, 'q') ;
621 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
639 bool oldcatch = CATCH_GET;
644 sv = sv_mortalcopy(&sv_no);
645 sv_setpv(sv, "AnyDBM_File");
646 stash = gv_stashsv(sv, FALSE);
647 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
649 perl_require_pv("AnyDBM_File.pm");
651 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
652 DIE("No dbm on this machine");
656 Zero(&myop, 1, BINOP);
657 myop.op_last = (OP *) &myop;
658 myop.op_next = Nullop;
659 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
665 if (PERLDB_SUB && curstash != debstash)
666 op->op_private |= OPpENTERSUB_DB;
677 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
679 PUSHs(sv_2mortal(newSViv(O_RDWR)));
682 PUSHs((SV*)GvCV(gv));
685 if (op = pp_entersub(ARGS))
689 perl_call_sv((SV*)gv, G_SCALAR);
693 if (!sv_isobject(TOPs)) {
705 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
708 PUSHs((SV*)GvCV(gv));
713 if (op = pp_entersub(ARGS))
716 perl_call_sv((SV*)gv, G_SCALAR);
724 if (sv_isobject(TOPs))
725 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
732 return pp_untie(ARGS);
746 struct timeval timebuf;
747 struct timeval *tbuf = &timebuf;
750 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
755 # if BYTEORDER & 0xf0000
756 # define ORDERBYTE (0x88888888 - BYTEORDER)
758 # define ORDERBYTE (0x4444 - BYTEORDER)
764 for (i = 1; i <= 3; i++) {
772 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
773 #if defined(__linux__) || defined(OS2)
774 growsize = sizeof(fd_set);
776 growsize = maxlen; /* little endians can use vecs directly */
785 masksize = NFDBITS / NBBY;
787 masksize = sizeof(long); /* documented int, everyone seems to use long */
789 growsize = maxlen + (masksize - (maxlen % masksize));
790 Zero(&fd_sets[0], 4, char*);
798 timebuf.tv_sec = (long)value;
799 value -= (double)timebuf.tv_sec;
800 timebuf.tv_usec = (long)(value * 1000000.0);
803 tbuf = Null(struct timeval*);
805 for (i = 1; i <= 3; i++) {
812 SvPV_force(sv,na); /* force string conversion */
815 Sv_Grow(sv, growsize);
819 while (++j <= growsize) {
823 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
825 New(403, fd_sets[i], growsize, char);
826 for (offset = 0; offset < growsize; offset += masksize) {
827 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
828 fd_sets[i][j+offset] = s[(k % masksize) + offset];
831 fd_sets[i] = SvPVX(sv);
837 (Select_fd_set_t) fd_sets[1],
838 (Select_fd_set_t) fd_sets[2],
839 (Select_fd_set_t) fd_sets[3],
841 for (i = 1; i <= 3; i++) {
844 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
846 for (offset = 0; offset < growsize; offset += masksize) {
847 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
848 s[(k % masksize) + offset] = fd_sets[i][j+offset];
850 Safefree(fd_sets[i]);
857 if (GIMME == G_ARRAY && tbuf) {
858 value = (double)(timebuf.tv_sec) +
859 (double)(timebuf.tv_usec) / 1000000.0;
860 PUSHs(sv = sv_mortalcopy(&sv_no));
865 DIE("select not implemented");
874 (void)SvREFCNT_inc(gv);
876 SvREFCNT_dec(defoutgv);
886 newdefout = (op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
888 egv = GvEGV(defoutgv);
895 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
896 if (gvp && *gvp == egv) {
897 gv_efullname3(TARG, defoutgv, Nullch);
901 XPUSHs(sv_2mortal(newRV((SV*)egv)));
906 if (!GvIO(newdefout))
908 setdefout(newdefout);
927 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
933 perl_call_method("GETC", gimme);
936 if (gimme == G_SCALAR)
937 SvSetMagicSV_nosteal(TARG, TOPs);
940 if (!gv || do_eof(gv)) /* make sure we have fp with something */
944 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
951 return pp_sysread(ARGS);
955 doform(CV *cv, GV *gv, OP *retop)
958 register CONTEXT *cx;
960 AV* padlist = CvPADLIST(cv);
961 SV** svp = AvARRAY(padlist);
967 PUSHBLOCK(cx, CXt_SUB, stack_sp);
970 curpad = AvARRAY((AV*)svp[1]);
972 setdefout(gv); /* locally select filehandle so $% et al work */
1004 SV *tmpsv = sv_newmortal();
1005 gv_efullname3(tmpsv, fgv, Nullch);
1006 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
1008 DIE("Not a format reference");
1011 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1013 IoFLAGS(io) &= ~IOf_DIDTOP;
1014 return doform(cv,gv,op->op_next);
1020 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1021 register IO *io = GvIOp(gv);
1022 PerlIO *ofp = IoOFP(io);
1026 register CONTEXT *cx;
1028 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1029 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
1030 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
1031 formtarget != toptarget)
1035 if (!IoTOP_GV(io)) {
1039 if (!IoTOP_NAME(io)) {
1040 if (!IoFMT_NAME(io))
1041 IoFMT_NAME(io) = savepv(GvNAME(gv));
1042 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1043 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1044 if ((topgv && GvFORM(topgv)) ||
1045 !gv_fetchpv("top",FALSE,SVt_PVFM))
1046 IoTOP_NAME(io) = savepv(SvPVX(topname));
1048 IoTOP_NAME(io) = savepv("top");
1050 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1051 if (!topgv || !GvFORM(topgv)) {
1052 IoLINES_LEFT(io) = 100000000;
1055 IoTOP_GV(io) = topgv;
1057 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1058 I32 lines = IoLINES_LEFT(io);
1059 char *s = SvPVX(formtarget);
1060 if (lines <= 0) /* Yow, header didn't even fit!!! */
1062 while (lines-- > 0) {
1063 s = strchr(s, '\n');
1069 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1070 sv_chop(formtarget, s);
1071 FmLINES(formtarget) -= IoLINES_LEFT(io);
1074 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1075 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1076 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1078 formtarget = toptarget;
1079 IoFLAGS(io) |= IOf_DIDTOP;
1082 DIE("bad top format reference");
1085 SV *tmpsv = sv_newmortal();
1086 gv_efullname3(tmpsv, fgv, Nullch);
1087 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1090 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1091 return doform(cv,gv,op);
1103 warn("Filehandle only opened for input");
1105 warn("Write on closed filehandle");
1110 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1112 warn("page overflow");
1114 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1118 FmLINES(formtarget) = 0;
1119 SvCUR_set(formtarget, 0);
1120 *SvEND(formtarget) = '\0';
1121 if (IoFLAGS(io) & IOf_FLUSH)
1122 (void)PerlIO_flush(fp);
1126 formtarget = bodytarget;
1128 return pop_return();
1133 djSP; dMARK; dORIGMARK;
1140 if (op->op_flags & OPf_STACKED)
1145 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1146 if (MARK == ORIGMARK) {
1149 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1156 perl_call_method("PRINTF", G_SCALAR);
1159 MARK = ORIGMARK + 1;
1166 if (!(io = GvIO(gv))) {
1168 gv_fullname3(sv, gv, Nullch);
1169 warn("Filehandle %s never opened", SvPV(sv,na));
1171 SETERRNO(EBADF,RMS$_IFI);
1174 else if (!(fp = IoOFP(io))) {
1176 gv_fullname3(sv, gv, Nullch);
1178 warn("Filehandle %s opened only for input", SvPV(sv,na));
1180 warn("printf on closed filehandle %s", SvPV(sv,na));
1182 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1186 #ifdef USE_LOCALE_NUMERIC
1187 if (op->op_private & OPpLOCALE)
1188 SET_NUMERIC_LOCAL();
1190 SET_NUMERIC_STANDARD();
1192 do_sprintf(sv, SP - MARK, MARK + 1);
1193 if (!do_print(sv, fp))
1196 if (IoFLAGS(io) & IOf_FLUSH)
1197 if (PerlIO_flush(fp) == EOF)
1229 tmps = SvPV(sv, len);
1230 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1231 IoLINES(GvIOp(gv)) = 0;
1242 djSP; dMARK; dORIGMARK; dTARGET;
1248 Sock_size_t bufsize;
1254 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1255 SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1262 perl_call_method("READ", G_SCALAR);
1275 sv_setpvn(bufsv, "", 0);
1276 buffer = SvPV_force(bufsv, blen);
1277 length = SvIVx(*++MARK);
1279 DIE("Negative length");
1282 offset = SvIVx(*++MARK);
1286 if (!io || !IoIFP(io))
1289 if (op->op_type == OP_RECV) {
1290 char namebuf[MAXPATHLEN];
1291 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1292 bufsize = sizeof (struct sockaddr_in);
1294 bufsize = sizeof namebuf;
1296 buffer = SvGROW(bufsv, length+1);
1297 /* 'offset' means 'flags' here */
1298 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1299 (struct sockaddr *)namebuf, &bufsize);
1302 SvCUR_set(bufsv, length);
1303 *SvEND(bufsv) = '\0';
1304 (void)SvPOK_only(bufsv);
1306 /* This should not be marked tainted if the fp is marked clean */
1307 if (!(IoFLAGS(io) & IOf_UNTAINT))
1308 SvTAINTED_on(bufsv);
1310 sv_setpvn(TARG, namebuf, bufsize);
1315 if (op->op_type == OP_RECV)
1316 DIE(no_sock_func, "recv");
1320 DIE("Offset outside string");
1323 bufsize = SvCUR(bufsv);
1324 buffer = SvGROW(bufsv, length+offset+1);
1325 if (offset > bufsize) { /* Zero any newly allocated space */
1326 Zero(buffer+bufsize, offset-bufsize, char);
1328 if (op->op_type == OP_SYSREAD) {
1329 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1332 #ifdef HAS_SOCKET__bad_code_maybe
1333 if (IoTYPE(io) == 's') {
1334 char namebuf[MAXPATHLEN];
1335 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1336 bufsize = sizeof (struct sockaddr_in);
1338 bufsize = sizeof namebuf;
1340 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1341 (struct sockaddr *)namebuf, &bufsize);
1345 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1348 SvCUR_set(bufsv, length+offset);
1349 *SvEND(bufsv) = '\0';
1350 (void)SvPOK_only(bufsv);
1352 /* This should not be marked tainted if the fp is marked clean */
1353 if (!(IoFLAGS(io) & IOf_UNTAINT))
1354 SvTAINTED_on(bufsv);
1366 return pp_send(ARGS);
1371 djSP; dMARK; dORIGMARK; dTARGET;
1384 buffer = SvPV(bufsv, blen);
1385 length = SvIVx(*++MARK);
1387 DIE("Negative length");
1390 if (!io || !IoIFP(io)) {
1393 if (op->op_type == OP_SYSWRITE)
1394 warn("Syswrite on closed filehandle");
1396 warn("Send on closed socket");
1399 else if (op->op_type == OP_SYSWRITE) {
1401 offset = SvIVx(*++MARK);
1404 DIE("Offset outside string");
1406 } else if (offset >= blen && blen > 0)
1407 DIE("Offset outside string");
1410 if (length > blen - offset)
1411 length = blen - offset;
1412 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1415 else if (SP > MARK) {
1418 sockbuf = SvPVx(*++MARK, mlen);
1419 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1420 (struct sockaddr *)sockbuf, mlen);
1423 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1427 DIE(no_sock_func, "send");
1442 return pp_sysread(ARGS);
1453 gv = last_in_gv = (GV*)POPs;
1454 PUSHs(boolSV(!gv || do_eof(gv)));
1466 gv = last_in_gv = (GV*)POPs;
1467 PUSHi( do_tell(gv) );
1473 return pp_sysseek(ARGS);
1483 gv = last_in_gv = (GV*)POPs;
1484 if (op->op_type == OP_SEEK)
1485 PUSHs(boolSV(do_seek(gv, offset, whence)));
1487 long n = do_sysseek(gv, offset, whence);
1488 PUSHs((n < 0) ? &sv_undef
1489 : sv_2mortal(n ? newSViv((IV)n)
1490 : newSVpv(zero_but_true, ZBTLEN)));
1498 Off_t len = (Off_t)POPn;
1503 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1504 if (op->op_flags & OPf_SPECIAL) {
1505 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1507 TAINT_PROPER("truncate");
1508 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1510 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1512 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1520 if (SvTYPE(sv) == SVt_PVGV) {
1521 tmpgv = (GV*)sv; /* *main::FRED for example */
1524 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1525 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1529 name = SvPV(sv, na);
1530 TAINT_PROPER("truncate");
1532 if (truncate(name, len) < 0)
1537 if ((tmpfd = open(name, O_RDWR)) < 0)
1540 if (my_chsize(tmpfd, len) < 0)
1551 SETERRNO(EBADF,RMS$_IFI);
1554 DIE("truncate not implemented");
1560 return pp_ioctl(ARGS);
1567 unsigned int func = U_I(POPn);
1568 int optype = op->op_type;
1574 if (!io || !argsv || !IoIFP(io)) {
1575 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1579 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1582 s = SvPV_force(argsv, len);
1583 need = IOCPARM_LEN(func);
1585 s = Sv_Grow(argsv, need + 1);
1586 SvCUR_set(argsv, need);
1589 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1592 retval = SvIV(argsv);
1593 s = (char*)retval; /* ouch */
1596 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1598 if (optype == OP_IOCTL)
1600 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1602 DIE("ioctl is not implemented");
1606 #if defined(OS2) && defined(__EMX__)
1607 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1609 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1612 DIE("fcntl is not implemented");
1616 if (s[SvCUR(argsv)] != 17)
1617 DIE("Possible memory corruption: %s overflowed 3rd argument",
1619 s[SvCUR(argsv)] = 0; /* put our null back */
1620 SvSETMAGIC(argsv); /* Assume it has changed */
1629 PUSHp(zero_but_true, ZBTLEN);
1649 fp = IoIFP(GvIOp(gv));
1653 (void)PerlIO_flush(fp);
1654 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1661 DIE(no_func, "flock()");
1673 int protocol = POPi;
1681 SETERRNO(EBADF,LIB$_INVARG);
1687 do_close(gv, FALSE);
1689 TAINT_PROPER("socket");
1690 fd = socket(domain, type, protocol);
1693 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1694 IoOFP(io) = PerlIO_fdopen(fd, "w");
1696 if (!IoIFP(io) || !IoOFP(io)) {
1697 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1698 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1699 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1705 DIE(no_sock_func, "socket");
1712 #ifdef HAS_SOCKETPAIR
1717 int protocol = POPi;
1730 do_close(gv1, FALSE);
1732 do_close(gv2, FALSE);
1734 TAINT_PROPER("socketpair");
1735 if (socketpair(domain, type, protocol, fd) < 0)
1737 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1738 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1740 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1741 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1743 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1744 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1745 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1746 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1747 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1748 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1749 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1755 DIE(no_sock_func, "socketpair");
1766 register IO *io = GvIOn(gv);
1769 if (!io || !IoIFP(io))
1772 addr = SvPV(addrsv, len);
1773 TAINT_PROPER("bind");
1774 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1781 warn("bind() on closed fd");
1782 SETERRNO(EBADF,SS$_IVCHAN);
1785 DIE(no_sock_func, "bind");
1796 register IO *io = GvIOn(gv);
1799 if (!io || !IoIFP(io))
1802 addr = SvPV(addrsv, len);
1803 TAINT_PROPER("connect");
1804 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1811 warn("connect() on closed fd");
1812 SETERRNO(EBADF,SS$_IVCHAN);
1815 DIE(no_sock_func, "connect");
1825 register IO *io = GvIOn(gv);
1827 if (!io || !IoIFP(io))
1830 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1837 warn("listen() on closed fd");
1838 SETERRNO(EBADF,SS$_IVCHAN);
1841 DIE(no_sock_func, "listen");
1853 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1854 Sock_size_t len = sizeof saddr;
1866 if (!gstio || !IoIFP(gstio))
1871 do_close(ngv, FALSE);
1873 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1876 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1877 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1878 IoTYPE(nstio) = 's';
1879 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1880 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1881 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1882 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1886 PUSHp((char *)&saddr, len);
1891 warn("accept() on closed fd");
1892 SETERRNO(EBADF,SS$_IVCHAN);
1898 DIE(no_sock_func, "accept");
1908 register IO *io = GvIOn(gv);
1910 if (!io || !IoIFP(io))
1913 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1918 warn("shutdown() on closed fd");
1919 SETERRNO(EBADF,SS$_IVCHAN);
1922 DIE(no_sock_func, "shutdown");
1929 return pp_ssockopt(ARGS);
1931 DIE(no_sock_func, "getsockopt");
1939 int optype = op->op_type;
1942 unsigned int optname;
1948 if (optype == OP_GSOCKOPT)
1949 sv = sv_2mortal(NEWSV(22, 257));
1952 optname = (unsigned int) POPi;
1953 lvl = (unsigned int) POPi;
1957 if (!io || !IoIFP(io))
1960 fd = PerlIO_fileno(IoIFP(io));
1964 (void)SvPOK_only(sv);
1968 if (getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1981 else if (SvOK(sv)) {
1982 aint = (int)SvIV(sv);
1986 if (setsockopt(fd, lvl, optname, buf, len) < 0)
1996 warn("[gs]etsockopt() on closed fd");
1997 SETERRNO(EBADF,SS$_IVCHAN);
2002 DIE(no_sock_func, "setsockopt");
2009 return pp_getpeername(ARGS);
2011 DIE(no_sock_func, "getsockname");
2019 int optype = op->op_type;
2023 register IO *io = GvIOn(gv);
2026 if (!io || !IoIFP(io))
2029 sv = sv_2mortal(NEWSV(22, 257));
2030 (void)SvPOK_only(sv);
2034 fd = PerlIO_fileno(IoIFP(io));
2036 case OP_GETSOCKNAME:
2037 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2040 case OP_GETPEERNAME:
2041 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2043 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2045 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2046 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2047 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2048 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2049 sizeof(u_short) + sizeof(struct in_addr))) {
2056 #ifdef BOGUS_GETNAME_RETURN
2057 /* Interactive Unix, getpeername() and getsockname()
2058 does not return valid namelen */
2059 if (len == BOGUS_GETNAME_RETURN)
2060 len = sizeof(struct sockaddr);
2069 warn("get{sock, peer}name() on closed fd");
2070 SETERRNO(EBADF,SS$_IVCHAN);
2075 DIE(no_sock_func, "getpeername");
2083 return pp_stat(ARGS);
2093 if (op->op_flags & OPf_REF) {
2094 tmpgv = cGVOP->op_gv;
2096 if (tmpgv != defgv) {
2097 laststype = OP_STAT;
2099 sv_setpv(statname, "");
2100 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2101 ? Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2103 if (laststatval < 0)
2108 if (SvTYPE(sv) == SVt_PVGV) {
2112 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2113 tmpgv = (GV*)SvRV(sv);
2116 sv_setpv(statname, SvPV(sv,na));
2119 laststype = op->op_type;
2120 if (op->op_type == OP_LSTAT)
2121 laststatval = lstat(SvPV(statname, na), &statcache);
2124 laststatval = Stat(SvPV(statname, na), &statcache);
2125 if (laststatval < 0) {
2126 if (dowarn && strchr(SvPV(statname, na), '\n'))
2127 warn(warn_nl, "stat");
2133 if (gimme != G_ARRAY) {
2134 if (gimme != G_VOID)
2135 XPUSHs(boolSV(max));
2141 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2142 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2143 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2144 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2145 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2146 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2147 #ifdef USE_STAT_RDEV
2148 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2150 PUSHs(sv_2mortal(newSVpv("", 0)));
2152 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2154 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2155 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2156 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2158 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2159 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2160 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2162 #ifdef USE_STAT_BLOCKS
2163 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2164 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2166 PUSHs(sv_2mortal(newSVpv("", 0)));
2167 PUSHs(sv_2mortal(newSVpv("", 0)));
2175 I32 result = my_stat(ARGS);
2179 if (cando(S_IRUSR, 0, &statcache))
2186 I32 result = my_stat(ARGS);
2190 if (cando(S_IWUSR, 0, &statcache))
2197 I32 result = my_stat(ARGS);
2201 if (cando(S_IXUSR, 0, &statcache))
2208 I32 result = my_stat(ARGS);
2212 if (cando(S_IRUSR, 1, &statcache))
2219 I32 result = my_stat(ARGS);
2223 if (cando(S_IWUSR, 1, &statcache))
2230 I32 result = my_stat(ARGS);
2234 if (cando(S_IXUSR, 1, &statcache))
2241 I32 result = my_stat(ARGS);
2250 return pp_ftrowned(ARGS);
2255 I32 result = my_stat(ARGS);
2259 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2266 I32 result = my_stat(ARGS);
2270 if (!statcache.st_size)
2277 I32 result = my_stat(ARGS);
2281 PUSHi(statcache.st_size);
2287 I32 result = my_stat(ARGS);
2291 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2297 I32 result = my_stat(ARGS);
2301 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2307 I32 result = my_stat(ARGS);
2311 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2317 I32 result = my_stat(ARGS);
2321 if (S_ISSOCK(statcache.st_mode))
2328 I32 result = my_stat(ARGS);
2332 if (S_ISCHR(statcache.st_mode))
2339 I32 result = my_stat(ARGS);
2343 if (S_ISBLK(statcache.st_mode))
2350 I32 result = my_stat(ARGS);
2354 if (S_ISREG(statcache.st_mode))
2361 I32 result = my_stat(ARGS);
2365 if (S_ISDIR(statcache.st_mode))
2372 I32 result = my_stat(ARGS);
2376 if (S_ISFIFO(statcache.st_mode))
2383 I32 result = my_lstat(ARGS);
2387 if (S_ISLNK(statcache.st_mode))
2396 I32 result = my_stat(ARGS);
2400 if (statcache.st_mode & S_ISUID)
2410 I32 result = my_stat(ARGS);
2414 if (statcache.st_mode & S_ISGID)
2424 I32 result = my_stat(ARGS);
2428 if (statcache.st_mode & S_ISVTX)
2439 char *tmps = Nullch;
2441 if (op->op_flags & OPf_REF)
2443 else if (isGV(TOPs))
2445 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2446 gv = (GV*)SvRV(POPs);
2448 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2450 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2451 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2452 else if (tmps && isDIGIT(*tmps))
2461 #if defined(atarist) /* this will work with atariST. Configure will
2462 make guesses for other systems. */
2463 # define FILE_base(f) ((f)->_base)
2464 # define FILE_ptr(f) ((f)->_ptr)
2465 # define FILE_cnt(f) ((f)->_cnt)
2466 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2476 register STDCHAR *s;
2481 if (op->op_flags & OPf_REF)
2483 else if (isGV(TOPs))
2485 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2486 gv = (GV*)SvRV(POPs);
2497 goto really_filename;
2503 sv_setpv(statname, "");
2506 if (io && IoIFP(io)) {
2507 if (! PerlIO_has_base(IoIFP(io)))
2508 DIE("-T and -B not implemented on filehandles");
2509 laststatval = Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2510 if (laststatval < 0)
2512 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2513 if (op->op_type == OP_FTTEXT)
2517 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2518 i = PerlIO_getc(IoIFP(io));
2520 (void)PerlIO_ungetc(IoIFP(io),i);
2522 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2524 len = PerlIO_get_bufsiz(IoIFP(io));
2525 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2526 /* sfio can have large buffers - limit to 512 */
2532 warn("Test on unopened file <%s>",
2533 GvENAME(cGVOP->op_gv));
2534 SETERRNO(EBADF,RMS$_IFI);
2543 sv_setpv(statname, SvPV(sv, na));
2545 i = open(SvPV(sv, na), O_RDONLY, 0);
2547 i = open(SvPV(sv, na), 0);
2550 if (dowarn && strchr(SvPV(sv, na), '\n'))
2551 warn(warn_nl, "open");
2554 laststatval = Fstat(i, &statcache);
2555 if (laststatval < 0)
2557 len = read(i, tbuf, 512);
2560 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2561 RETPUSHNO; /* special case NFS directories */
2562 RETPUSHYES; /* null file is anything */
2567 /* now scan s to look for textiness */
2568 /* XXX ASCII dependent code */
2570 for (i = 0; i < len; i++, s++) {
2571 if (!*s) { /* null never allowed in text */
2578 *s != '\n' && *s != '\r' && *s != '\b' &&
2579 *s != '\t' && *s != '\f' && *s != 27)
2583 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2591 return pp_fttext(ARGS);
2606 if (!tmps || !*tmps) {
2607 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2609 tmps = SvPV(*svp, na);
2611 if (!tmps || !*tmps) {
2612 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2614 tmps = SvPV(*svp, na);
2616 TAINT_PROPER("chdir");
2617 PUSHi( chdir(tmps) >= 0 );
2619 /* Clear the DEFAULT element of ENV so we'll get the new value
2621 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2628 djSP; dMARK; dTARGET;
2631 value = (I32)apply(op->op_type, MARK, SP);
2636 DIE(no_func, "Unsupported function chown");
2646 TAINT_PROPER("chroot");
2647 PUSHi( chroot(tmps) >= 0 );
2650 DIE(no_func, "chroot");
2656 djSP; dMARK; dTARGET;
2658 value = (I32)apply(op->op_type, MARK, SP);
2666 djSP; dMARK; dTARGET;
2668 value = (I32)apply(op->op_type, MARK, SP);
2676 djSP; dMARK; dTARGET;
2678 value = (I32)apply(op->op_type, MARK, SP);
2690 char *tmps = SvPV(TOPs, na);
2691 TAINT_PROPER("rename");
2693 anum = rename(tmps, tmps2);
2695 if (!(anum = Stat(tmps, &statbuf))) {
2696 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2699 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2700 (void)UNLINK(tmps2);
2701 if (!(anum = link(tmps, tmps2)))
2702 anum = UNLINK(tmps);
2715 char *tmps = SvPV(TOPs, na);
2716 TAINT_PROPER("link");
2717 SETi( link(tmps, tmps2) >= 0 );
2719 DIE(no_func, "Unsupported function link");
2729 char *tmps = SvPV(TOPs, na);
2730 TAINT_PROPER("symlink");
2731 SETi( symlink(tmps, tmps2) >= 0 );
2734 DIE(no_func, "symlink");
2743 char buf[MAXPATHLEN];
2746 #ifndef INCOMPLETE_TAINTS
2750 len = readlink(tmps, buf, sizeof buf);
2758 RETSETUNDEF; /* just pretend it's a normal file */
2762 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2764 dooneliner(cmd, filename)
2768 char *save_filename = filename;
2774 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2775 strcpy(cmdline, cmd);
2776 strcat(cmdline, " ");
2777 for (s = cmdline + strlen(cmdline); *filename; ) {
2782 myfp = my_popen(cmdline, "r");
2786 SV *tmpsv = sv_newmortal();
2787 /* Need to save/restore 'rs' ?? */
2788 s = sv_gets(tmpsv, myfp, 0);
2789 (void)my_pclose(myfp);
2793 #ifdef HAS_SYS_ERRLIST
2798 /* you don't see this */
2800 #ifdef HAS_SYS_ERRLIST
2808 if (instr(s, errmsg)) {
2815 #define EACCES EPERM
2817 if (instr(s, "cannot make"))
2818 SETERRNO(EEXIST,RMS$_FEX);
2819 else if (instr(s, "existing file"))
2820 SETERRNO(EEXIST,RMS$_FEX);
2821 else if (instr(s, "ile exists"))
2822 SETERRNO(EEXIST,RMS$_FEX);
2823 else if (instr(s, "non-exist"))
2824 SETERRNO(ENOENT,RMS$_FNF);
2825 else if (instr(s, "does not exist"))
2826 SETERRNO(ENOENT,RMS$_FNF);
2827 else if (instr(s, "not empty"))
2828 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2829 else if (instr(s, "cannot access"))
2830 SETERRNO(EACCES,RMS$_PRV);
2832 SETERRNO(EPERM,RMS$_PRV);
2835 else { /* some mkdirs return no failure indication */
2836 anum = (Stat(save_filename, &statbuf) >= 0);
2837 if (op->op_type == OP_RMDIR)
2842 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2858 char *tmps = SvPV(TOPs, na);
2860 TAINT_PROPER("mkdir");
2862 SETi( Mkdir(tmps, mode) >= 0 );
2864 SETi( dooneliner("mkdir", tmps) );
2865 oldumask = umask(0);
2867 chmod(tmps, (mode & ~oldumask) & 0777);
2878 TAINT_PROPER("rmdir");
2880 XPUSHi( rmdir(tmps) >= 0 );
2882 XPUSHi( dooneliner("rmdir", tmps) );
2887 /* Directory calls. */
2892 #if defined(Direntry_t) && defined(HAS_READDIR)
2893 char *dirname = POPp;
2895 register IO *io = GvIOn(gv);
2901 closedir(IoDIRP(io));
2902 if (!(IoDIRP(io) = opendir(dirname)))
2908 SETERRNO(EBADF,RMS$_DIR);
2911 DIE(no_dir_func, "opendir");
2918 #if defined(Direntry_t) && defined(HAS_READDIR)
2920 Direntry_t *readdir _((DIR *));
2922 register Direntry_t *dp;
2924 register IO *io = GvIOn(gv);
2927 if (!io || !IoDIRP(io))
2930 if (GIMME == G_ARRAY) {
2932 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2934 sv = newSVpv(dp->d_name, dp->d_namlen);
2936 sv = newSVpv(dp->d_name, 0);
2938 #ifndef INCOMPLETE_TAINTS
2941 XPUSHs(sv_2mortal(sv));
2945 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2948 sv = newSVpv(dp->d_name, dp->d_namlen);
2950 sv = newSVpv(dp->d_name, 0);
2952 #ifndef INCOMPLETE_TAINTS
2955 XPUSHs(sv_2mortal(sv));
2961 SETERRNO(EBADF,RMS$_ISI);
2962 if (GIMME == G_ARRAY)
2967 DIE(no_dir_func, "readdir");
2974 #if defined(HAS_TELLDIR) || defined(telldir)
2975 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE) && !defined(DONT_DECLARE_STD)
2976 long telldir _((DIR *));
2979 register IO *io = GvIOn(gv);
2981 if (!io || !IoDIRP(io))
2984 PUSHi( telldir(IoDIRP(io)) );
2988 SETERRNO(EBADF,RMS$_ISI);
2991 DIE(no_dir_func, "telldir");
2998 #if defined(HAS_SEEKDIR) || defined(seekdir)
3001 register IO *io = GvIOn(gv);
3003 if (!io || !IoDIRP(io))
3006 (void)seekdir(IoDIRP(io), along);
3011 SETERRNO(EBADF,RMS$_ISI);
3014 DIE(no_dir_func, "seekdir");
3021 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3023 register IO *io = GvIOn(gv);
3025 if (!io || !IoDIRP(io))
3028 (void)rewinddir(IoDIRP(io));
3032 SETERRNO(EBADF,RMS$_ISI);
3035 DIE(no_dir_func, "rewinddir");
3042 #if defined(Direntry_t) && defined(HAS_READDIR)
3044 register IO *io = GvIOn(gv);
3046 if (!io || !IoDIRP(io))
3049 #ifdef VOID_CLOSEDIR
3050 closedir(IoDIRP(io));
3052 if (closedir(IoDIRP(io)) < 0) {
3053 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3062 SETERRNO(EBADF,RMS$_IFI);
3065 DIE(no_dir_func, "closedir");
3069 /* Process control. */
3084 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3085 sv_setiv(GvSV(tmpgv), (IV)getpid());
3086 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3091 DIE(no_func, "Unsupported function fork");
3097 #if !defined(DOSISH) || defined(OS2)
3102 childpid = wait4pid(-1, &argflags, 0);
3103 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3107 DIE(no_func, "Unsupported function wait");
3113 #if !defined(DOSISH) || defined(OS2)
3121 childpid = wait4pid(childpid, &argflags, optype);
3122 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3126 DIE(no_func, "Unsupported function wait");
3132 djSP; dMARK; dORIGMARK; dTARGET;
3137 Sigsave_t ihand,qhand; /* place to save signals during system() */
3139 if (SP - MARK == 1) {
3141 char *junk = SvPV(TOPs, na);
3143 TAINT_PROPER("system");
3146 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3147 while ((childpid = vfork()) == -1) {
3148 if (errno != EAGAIN) {
3157 rsignal_save(SIGINT, SIG_IGN, &ihand);
3158 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3160 result = wait4pid(childpid, &status, 0);
3161 } while (result == -1 && errno == EINTR);
3162 (void)rsignal_restore(SIGINT, &ihand);
3163 (void)rsignal_restore(SIGQUIT, &qhand);
3164 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3165 do_execfree(); /* free any memory child malloced on vfork */
3167 PUSHi(STATUS_CURRENT);
3170 if (op->op_flags & OPf_STACKED) {
3171 SV *really = *++MARK;
3172 value = (I32)do_aexec(really, MARK, SP);
3174 else if (SP - MARK != 1)
3175 value = (I32)do_aexec(Nullsv, MARK, SP);
3177 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3180 #else /* ! FORK or VMS or OS/2 */
3181 if (op->op_flags & OPf_STACKED) {
3182 SV *really = *++MARK;
3183 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3185 else if (SP - MARK != 1)
3186 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3188 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3190 STATUS_NATIVE_SET(value);
3193 PUSHi(STATUS_CURRENT);
3194 #endif /* !FORK or VMS */
3200 djSP; dMARK; dORIGMARK; dTARGET;
3203 if (op->op_flags & OPf_STACKED) {
3204 SV *really = *++MARK;
3205 value = (I32)do_aexec(really, MARK, SP);
3207 else if (SP - MARK != 1)
3209 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3211 value = (I32)do_aexec(Nullsv, MARK, SP);
3215 char *junk = SvPV(*SP, na);
3217 TAINT_PROPER("exec");
3220 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3222 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3232 djSP; dMARK; dTARGET;
3235 value = (I32)apply(op->op_type, MARK, SP);
3240 DIE(no_func, "Unsupported function kill");
3248 XPUSHi( getppid() );
3251 DIE(no_func, "getppid");
3267 value = (I32)BSD_GETPGRP(pid);
3269 if (pid != 0 && pid != getpid())
3270 DIE("POSIX getpgrp can't take an argument");
3271 value = (I32)getpgrp();
3276 DIE(no_func, "getpgrp()");
3295 TAINT_PROPER("setpgrp");
3297 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3299 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3300 DIE("POSIX setpgrp can't take an argument");
3301 SETi( setpgrp() >= 0 );
3302 #endif /* USE_BSDPGRP */
3305 DIE(no_func, "setpgrp()");
3314 #ifdef HAS_GETPRIORITY
3317 SETi( getpriority(which, who) );
3320 DIE(no_func, "getpriority()");
3330 #ifdef HAS_SETPRIORITY
3334 TAINT_PROPER("setpriority");
3335 SETi( setpriority(which, who, niceval) >= 0 );
3338 DIE(no_func, "setpriority()");
3348 XPUSHn( time(Null(Time_t*)) );
3350 XPUSHi( time(Null(Time_t*)) );
3355 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3356 to HZ. Probably. For now, assume that if the system
3357 defines HZ, it does so correctly. (Will this break
3359 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3360 it's supported. --AD 9/96.
3376 DIE("times not implemented");
3381 (void)times(×buf);
3383 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3384 /* struct tms, though same data */
3388 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3389 if (GIMME == G_ARRAY) {
3390 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3391 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3392 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3395 #endif /* HAS_TIMES */
3400 return pp_gmtime(ARGS);
3408 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3409 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3410 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3416 when = (Time_t)SvNVx(POPs);
3418 when = (Time_t)SvIVx(POPs);
3421 if (op->op_type == OP_LOCALTIME)
3422 tmbuf = localtime(&when);
3424 tmbuf = gmtime(&when);
3428 if (GIMME != G_ARRAY) {
3433 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3434 dayname[tmbuf->tm_wday],
3435 monname[tmbuf->tm_mon],
3440 tmbuf->tm_year + 1900);
3441 PUSHs(sv_2mortal(tsv));
3444 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3445 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3446 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3447 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3448 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3449 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3450 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3451 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3452 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3463 anum = alarm((unsigned int)anum);
3470 DIE(no_func, "Unsupported function alarm");
3481 (void)time(&lasttime);
3486 sleep((unsigned int)duration);
3489 XPUSHi(when - lasttime);
3493 /* Shared memory. */
3497 return pp_semget(ARGS);
3502 return pp_semctl(ARGS);
3507 return pp_shmwrite(ARGS);
3512 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3513 djSP; dMARK; dTARGET;
3514 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3519 return pp_semget(ARGS);
3523 /* Message passing. */
3527 return pp_semget(ARGS);
3532 return pp_semctl(ARGS);
3537 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3538 djSP; dMARK; dTARGET;
3539 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3544 return pp_semget(ARGS);
3550 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3551 djSP; dMARK; dTARGET;
3552 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3557 return pp_semget(ARGS);
3565 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3566 djSP; dMARK; dTARGET;
3567 int anum = do_ipcget(op->op_type, MARK, SP);
3574 DIE("System V IPC is not implemented on this machine");
3580 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3581 djSP; dMARK; dTARGET;
3582 int anum = do_ipcctl(op->op_type, MARK, SP);
3590 PUSHp(zero_but_true, ZBTLEN);
3594 return pp_semget(ARGS);
3600 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3601 djSP; dMARK; dTARGET;
3602 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3607 return pp_semget(ARGS);
3611 /* Get system info. */
3616 return pp_ghostent(ARGS);
3618 DIE(no_sock_func, "gethostbyname");
3625 return pp_ghostent(ARGS);
3627 DIE(no_sock_func, "gethostbyaddr");
3635 I32 which = op->op_type;
3636 register char **elem;
3638 #if defined(HAS_GETHOSTENT) && !defined(DONT_DECLARE_STD)
3639 struct hostent *gethostbyname(const char *);
3640 struct hostent *gethostbyaddr(const char *, int, int);
3641 struct hostent *gethostent(void);
3643 struct hostent *hent;
3647 if (which == OP_GHBYNAME) {
3648 hent = gethostbyname(POPp);
3650 else if (which == OP_GHBYADDR) {
3651 int addrtype = POPi;
3654 char *addr = SvPV(addrsv, addrlen);
3656 hent = gethostbyaddr(addr, addrlen, addrtype);
3659 #ifdef HAS_GETHOSTENT
3660 hent = gethostent();
3662 DIE("gethostent not implemented");
3665 #ifdef HOST_NOT_FOUND
3667 STATUS_NATIVE_SET(h_errno);
3670 if (GIMME != G_ARRAY) {
3671 PUSHs(sv = sv_newmortal());
3673 if (which == OP_GHBYNAME) {
3675 sv_setpvn(sv, hent->h_addr, hent->h_length);
3678 sv_setpv(sv, (char*)hent->h_name);
3684 PUSHs(sv = sv_mortalcopy(&sv_no));
3685 sv_setpv(sv, (char*)hent->h_name);
3686 PUSHs(sv = sv_mortalcopy(&sv_no));
3687 for (elem = hent->h_aliases; elem && *elem; elem++) {
3688 sv_catpv(sv, *elem);
3690 sv_catpvn(sv, " ", 1);
3692 PUSHs(sv = sv_mortalcopy(&sv_no));
3693 sv_setiv(sv, (IV)hent->h_addrtype);
3694 PUSHs(sv = sv_mortalcopy(&sv_no));
3695 len = hent->h_length;
3696 sv_setiv(sv, (IV)len);
3698 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3699 XPUSHs(sv = sv_mortalcopy(&sv_no));
3700 sv_setpvn(sv, *elem, len);
3703 PUSHs(sv = sv_mortalcopy(&sv_no));
3705 sv_setpvn(sv, hent->h_addr, len);
3710 DIE(no_sock_func, "gethostent");
3717 return pp_gnetent(ARGS);
3719 DIE(no_sock_func, "getnetbyname");
3726 return pp_gnetent(ARGS);
3728 DIE(no_sock_func, "getnetbyaddr");
3736 I32 which = op->op_type;
3737 register char **elem;
3739 #ifndef DONT_DECLARE_STD
3740 struct netent *getnetbyname(const char *);
3741 struct netent *getnetbyaddr(long int, int);
3742 struct netent *getnetent(void);
3744 struct netent *nent;
3746 if (which == OP_GNBYNAME)
3747 nent = getnetbyname(POPp);
3748 else if (which == OP_GNBYADDR) {
3749 int addrtype = POPi;
3750 unsigned long addr = U_L(POPn);
3751 nent = getnetbyaddr((long)addr, addrtype);
3757 if (GIMME != G_ARRAY) {
3758 PUSHs(sv = sv_newmortal());
3760 if (which == OP_GNBYNAME)
3761 sv_setiv(sv, (IV)nent->n_net);
3763 sv_setpv(sv, nent->n_name);
3769 PUSHs(sv = sv_mortalcopy(&sv_no));
3770 sv_setpv(sv, nent->n_name);
3771 PUSHs(sv = sv_mortalcopy(&sv_no));
3772 for (elem = nent->n_aliases; elem && *elem; elem++) {
3773 sv_catpv(sv, *elem);
3775 sv_catpvn(sv, " ", 1);
3777 PUSHs(sv = sv_mortalcopy(&sv_no));
3778 sv_setiv(sv, (IV)nent->n_addrtype);
3779 PUSHs(sv = sv_mortalcopy(&sv_no));
3780 sv_setiv(sv, (IV)nent->n_net);
3785 DIE(no_sock_func, "getnetent");
3792 return pp_gprotoent(ARGS);
3794 DIE(no_sock_func, "getprotobyname");
3801 return pp_gprotoent(ARGS);
3803 DIE(no_sock_func, "getprotobynumber");
3811 I32 which = op->op_type;
3812 register char **elem;
3814 #ifndef DONT_DECLARE_STD
3815 struct protoent *getprotobyname(const char *);
3816 struct protoent *getprotobynumber(int);
3817 struct protoent *getprotoent(void);
3819 struct protoent *pent;
3821 if (which == OP_GPBYNAME)
3822 pent = getprotobyname(POPp);
3823 else if (which == OP_GPBYNUMBER)
3824 pent = getprotobynumber(POPi);
3826 pent = getprotoent();
3829 if (GIMME != G_ARRAY) {
3830 PUSHs(sv = sv_newmortal());
3832 if (which == OP_GPBYNAME)
3833 sv_setiv(sv, (IV)pent->p_proto);
3835 sv_setpv(sv, pent->p_name);
3841 PUSHs(sv = sv_mortalcopy(&sv_no));
3842 sv_setpv(sv, pent->p_name);
3843 PUSHs(sv = sv_mortalcopy(&sv_no));
3844 for (elem = pent->p_aliases; elem && *elem; elem++) {
3845 sv_catpv(sv, *elem);
3847 sv_catpvn(sv, " ", 1);
3849 PUSHs(sv = sv_mortalcopy(&sv_no));
3850 sv_setiv(sv, (IV)pent->p_proto);
3855 DIE(no_sock_func, "getprotoent");
3862 return pp_gservent(ARGS);
3864 DIE(no_sock_func, "getservbyname");
3871 return pp_gservent(ARGS);
3873 DIE(no_sock_func, "getservbyport");
3881 I32 which = op->op_type;
3882 register char **elem;
3884 #ifndef DONT_DECLARE_STD
3885 struct servent *getservbyname(const char *, const char *);
3886 struct servent *getservbynumber();
3887 struct servent *getservent(void);
3889 struct servent *sent;
3891 if (which == OP_GSBYNAME) {
3895 if (proto && !*proto)
3898 sent = getservbyname(name, proto);
3900 else if (which == OP_GSBYPORT) {
3902 unsigned short port = POPu;
3907 sent = getservbyport(port, proto);
3910 sent = getservent();
3913 if (GIMME != G_ARRAY) {
3914 PUSHs(sv = sv_newmortal());
3916 if (which == OP_GSBYNAME) {
3918 sv_setiv(sv, (IV)ntohs(sent->s_port));
3920 sv_setiv(sv, (IV)(sent->s_port));
3924 sv_setpv(sv, sent->s_name);
3930 PUSHs(sv = sv_mortalcopy(&sv_no));
3931 sv_setpv(sv, sent->s_name);
3932 PUSHs(sv = sv_mortalcopy(&sv_no));
3933 for (elem = sent->s_aliases; elem && *elem; elem++) {
3934 sv_catpv(sv, *elem);
3936 sv_catpvn(sv, " ", 1);
3938 PUSHs(sv = sv_mortalcopy(&sv_no));
3940 sv_setiv(sv, (IV)ntohs(sent->s_port));
3942 sv_setiv(sv, (IV)(sent->s_port));
3944 PUSHs(sv = sv_mortalcopy(&sv_no));
3945 sv_setpv(sv, sent->s_proto);
3950 DIE(no_sock_func, "getservent");
3961 DIE(no_sock_func, "sethostent");
3972 DIE(no_sock_func, "setnetent");
3983 DIE(no_sock_func, "setprotoent");
3994 DIE(no_sock_func, "setservent");
4006 DIE(no_sock_func, "endhostent");
4018 DIE(no_sock_func, "endnetent");
4030 DIE(no_sock_func, "endprotoent");
4042 DIE(no_sock_func, "endservent");
4049 return pp_gpwent(ARGS);
4051 DIE(no_func, "getpwnam");
4058 return pp_gpwent(ARGS);
4060 DIE(no_func, "getpwuid");
4068 I32 which = op->op_type;
4070 struct passwd *pwent;
4072 if (which == OP_GPWNAM)
4073 pwent = getpwnam(POPp);
4074 else if (which == OP_GPWUID)
4075 pwent = getpwuid(POPi);
4077 pwent = (struct passwd *)getpwent();
4080 if (GIMME != G_ARRAY) {
4081 PUSHs(sv = sv_newmortal());
4083 if (which == OP_GPWNAM)
4084 sv_setiv(sv, (IV)pwent->pw_uid);
4086 sv_setpv(sv, pwent->pw_name);
4092 PUSHs(sv = sv_mortalcopy(&sv_no));
4093 sv_setpv(sv, pwent->pw_name);
4094 PUSHs(sv = sv_mortalcopy(&sv_no));
4095 sv_setpv(sv, pwent->pw_passwd);
4096 PUSHs(sv = sv_mortalcopy(&sv_no));
4097 sv_setiv(sv, (IV)pwent->pw_uid);
4098 PUSHs(sv = sv_mortalcopy(&sv_no));
4099 sv_setiv(sv, (IV)pwent->pw_gid);
4100 PUSHs(sv = sv_mortalcopy(&sv_no));
4102 sv_setiv(sv, (IV)pwent->pw_change);
4105 sv_setiv(sv, (IV)pwent->pw_quota);
4108 sv_setpv(sv, pwent->pw_age);
4112 PUSHs(sv = sv_mortalcopy(&sv_no));
4114 sv_setpv(sv, pwent->pw_class);
4117 sv_setpv(sv, pwent->pw_comment);
4120 PUSHs(sv = sv_mortalcopy(&sv_no));
4121 sv_setpv(sv, pwent->pw_gecos);
4122 #ifndef INCOMPLETE_TAINTS
4125 PUSHs(sv = sv_mortalcopy(&sv_no));
4126 sv_setpv(sv, pwent->pw_dir);
4127 PUSHs(sv = sv_mortalcopy(&sv_no));
4128 sv_setpv(sv, pwent->pw_shell);
4130 PUSHs(sv = sv_mortalcopy(&sv_no));
4131 sv_setiv(sv, (IV)pwent->pw_expire);
4136 DIE(no_func, "getpwent");
4143 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4147 DIE(no_func, "setpwent");
4158 DIE(no_func, "endpwent");
4165 return pp_ggrent(ARGS);
4167 DIE(no_func, "getgrnam");
4174 return pp_ggrent(ARGS);
4176 DIE(no_func, "getgrgid");
4184 I32 which = op->op_type;
4185 register char **elem;
4187 struct group *grent;
4189 if (which == OP_GGRNAM)
4190 grent = (struct group *)getgrnam(POPp);
4191 else if (which == OP_GGRGID)
4192 grent = (struct group *)getgrgid(POPi);
4194 grent = (struct group *)getgrent();
4197 if (GIMME != G_ARRAY) {
4198 PUSHs(sv = sv_newmortal());
4200 if (which == OP_GGRNAM)
4201 sv_setiv(sv, (IV)grent->gr_gid);
4203 sv_setpv(sv, grent->gr_name);
4209 PUSHs(sv = sv_mortalcopy(&sv_no));
4210 sv_setpv(sv, grent->gr_name);
4211 PUSHs(sv = sv_mortalcopy(&sv_no));
4212 sv_setpv(sv, grent->gr_passwd);
4213 PUSHs(sv = sv_mortalcopy(&sv_no));
4214 sv_setiv(sv, (IV)grent->gr_gid);
4215 PUSHs(sv = sv_mortalcopy(&sv_no));
4216 for (elem = grent->gr_mem; elem && *elem; elem++) {
4217 sv_catpv(sv, *elem);
4219 sv_catpvn(sv, " ", 1);
4225 DIE(no_func, "getgrent");
4236 DIE(no_func, "setgrent");
4247 DIE(no_func, "endgrent");
4257 if (!(tmps = getlogin()))
4259 PUSHp(tmps, strlen(tmps));
4262 DIE(no_func, "getlogin");
4266 /* Miscellaneous. */
4271 djSP; dMARK; dORIGMARK; dTARGET;
4272 register I32 items = SP - MARK;
4273 unsigned long a[20];
4279 while (++MARK <= SP) {
4280 if (SvTAINTED(*MARK)) {
4286 TAINT_PROPER("syscall");
4289 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4290 * or where sizeof(long) != sizeof(char*). But such machines will
4291 * not likely have syscall implemented either, so who cares?
4293 while (++MARK <= SP) {
4294 if (SvNIOK(*MARK) || !i)
4295 a[i++] = SvIV(*MARK);
4296 else if (*MARK == &sv_undef)
4299 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4305 DIE("Too many args to syscall");
4307 DIE("Too few args to syscall");
4309 retval = syscall(a[0]);
4312 retval = syscall(a[0],a[1]);
4315 retval = syscall(a[0],a[1],a[2]);
4318 retval = syscall(a[0],a[1],a[2],a[3]);
4321 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4324 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4327 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4330 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4334 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4337 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4340 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4344 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4348 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4352 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4353 a[10],a[11],a[12],a[13]);
4355 #endif /* atarist */
4361 DIE(no_func, "syscall");
4365 #ifdef FCNTL_EMULATE_FLOCK
4367 /* XXX Emulate flock() with fcntl().
4368 What's really needed is a good file locking module.
4372 fcntl_emulate_flock(int fd, int operation)
4376 switch (operation & ~LOCK_NB) {
4378 flock.l_type = F_RDLCK;
4381 flock.l_type = F_WRLCK;
4384 flock.l_type = F_UNLCK;
4390 flock.l_whence = SEEK_SET;
4391 flock.l_start = flock.l_len = 0L;
4393 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4396 #endif /* FCNTL_EMULATE_FLOCK */
4398 #ifdef LOCKF_EMULATE_FLOCK
4400 /* XXX Emulate flock() with lockf(). This is just to increase
4401 portability of scripts. The calls are not completely
4402 interchangeable. What's really needed is a good file
4406 /* The lockf() constants might have been defined in <unistd.h>.
4407 Unfortunately, <unistd.h> causes troubles on some mixed
4408 (BSD/POSIX) systems, such as SunOS 4.1.3.
4410 Further, the lockf() constants aren't POSIX, so they might not be
4411 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4412 just stick in the SVID values and be done with it. Sigh.
4416 # define F_ULOCK 0 /* Unlock a previously locked region */
4419 # define F_LOCK 1 /* Lock a region for exclusive use */
4422 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4425 # define F_TEST 3 /* Test a region for other processes locks */
4429 lockf_emulate_flock (fd, operation)
4437 /* flock locks entire file so for lockf we need to do the same */
4439 pos = lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4440 if (pos > 0) /* is seekable and needs to be repositioned */
4441 if (lseek(fd, (Off_t)0, SEEK_SET) < 0)
4442 pos = -1; /* seek failed, so don't seek back afterwards */
4445 switch (operation) {
4447 /* LOCK_SH - get a shared lock */
4449 /* LOCK_EX - get an exclusive lock */
4451 i = lockf (fd, F_LOCK, 0);
4454 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4455 case LOCK_SH|LOCK_NB:
4456 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4457 case LOCK_EX|LOCK_NB:
4458 i = lockf (fd, F_TLOCK, 0);
4460 if ((errno == EAGAIN) || (errno == EACCES))
4461 errno = EWOULDBLOCK;
4464 /* LOCK_UN - unlock (non-blocking is a no-op) */
4466 case LOCK_UN|LOCK_NB:
4467 i = lockf (fd, F_ULOCK, 0);
4470 /* Default - can't decipher operation */
4477 if (pos > 0) /* need to restore position of the handle */
4478 lseek(fd, pos, SEEK_SET); /* ignore error here */
4483 #endif /* LOCKF_EMULATE_FLOCK */