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>
46 # include <net/errno.h>
53 #include <sys/select.h>
65 struct passwd *getpwnam _((char *));
66 struct passwd *getpwuid _((Uid_t));
68 struct passwd *getpwent _((void));
75 struct group *getgrnam _((char *));
76 struct group *getgrgid _((Gid_t));
78 struct group *getgrent _((void));
83 # include <sys/utime.h>
95 /* Put this after #includes because fork and vfork prototypes may conflict. */
100 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
102 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
103 # define Sock_size_t Size_t
105 # define Sock_size_t int
109 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
110 static int dooneliner _((char *cmd, char *filename));
114 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
117 # define my_chsize PerlLIO_chsize
122 #else /* no flock() */
124 /* fcntl.h might not have been included, even if it exists, because
125 the current Configure only sets I_FCNTL if it's needed to pick up
126 the *_OK constants. Make sure it has been included before testing
127 the fcntl() locking constants. */
128 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
132 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
133 # define FLOCK fcntl_emulate_flock
134 # define FCNTL_EMULATE_FLOCK
135 # else /* no flock() or fcntl(F_SETLK,...) */
137 # define FLOCK lockf_emulate_flock
138 # define LOCKF_EMULATE_FLOCK
140 # endif /* no flock() or fcntl(F_SETLK,...) */
143 static int FLOCK _((int, int));
146 * These are the flock() constants. Since this sytems doesn't have
147 * flock(), the values of the constants are probably not available.
161 # endif /* emulating flock() */
163 #endif /* no flock() */
167 # define MAXPATHLEN PATH_MAX
169 # define MAXPATHLEN 1024
174 static char zero_but_true[ZBTLEN + 1] = "0 but true";
186 fp = PerlProc_popen(tmps, "r");
188 if (gimme == G_VOID) {
190 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
194 else if (gimme == G_SCALAR) {
195 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
196 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
207 if (sv_gets(sv, fp, 0) == Nullch) {
211 XPUSHs(sv_2mortal(sv));
212 if (SvLEN(sv) - SvCUR(sv) > 20) {
213 SvLEN_set(sv, SvCUR(sv)+1);
214 Renew(SvPVX(sv), SvLEN(sv), char);
219 STATUS_NATIVE_SET(PerlProc_pclose(fp));
220 TAINT; /* "I believe that this is not gratuitous!" */
223 STATUS_NATIVE_SET(-1);
224 if (gimme == G_SCALAR)
239 * The external globbing program may use things we can't control,
240 * so for security reasons we must assume the worst.
243 taint_proper(no_security, "glob");
247 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
248 last_in_gv = (GV*)*stack_sp--;
250 SAVESPTR(rs); /* This is not permanent, either. */
251 rs = sv_2mortal(newSVpv("", 1));
258 result = do_readline();
265 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
266 return do_readline();
271 last_in_gv = cGVOP->op_gv;
272 return do_readline();
279 if (SP - MARK != 1) {
281 do_join(TARG, &sv_no, MARK, SP);
282 tmps = SvPV(TARG, na);
286 tmps = SvPV(TOPs, na);
288 if (!tmps || !*tmps) {
289 (void)SvUPGRADE(ERRSV, SVt_PV);
290 if (SvPOK(ERRSV) && SvCUR(ERRSV))
291 sv_catpv(ERRSV, "\t...caught");
292 tmps = SvPV(ERRSV, na);
295 tmps = "Warning: something's wrong";
304 if (SP - MARK != 1) {
306 do_join(TARG, &sv_no, MARK, SP);
307 tmps = SvPV(TARG, na);
311 tmps = SvPV(TOPs, na);
313 if (!tmps || !*tmps) {
314 (void)SvUPGRADE(ERRSV, SVt_PV);
315 if (SvPOK(ERRSV) && SvCUR(ERRSV))
316 sv_catpv(ERRSV, "\t...propagated");
317 tmps = SvPV(ERRSV, 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);
395 if (PerlProc_pipe(fd) < 0)
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));
406 else PerlLIO_close(fd[0]);
407 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
408 else PerlLIO_close(fd[1]);
417 DIE(no_func, "pipe");
430 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
432 PUSHi(PerlIO_fileno(fp));
443 anum = PerlLIO_umask(0);
444 (void)PerlLIO_umask(anum);
447 anum = PerlLIO_umask(POPi);
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 (PerlLIO_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;
521 bool oldcatch = CATCH_GET;
525 if (SvTYPE(varsv) == SVt_PVHV)
526 methname = "TIEHASH";
527 else if (SvTYPE(varsv) == SVt_PVAV)
528 methname = "TIEARRAY";
529 else if (SvTYPE(varsv) == SVt_PVGV)
530 methname = "TIEHANDLE";
532 methname = "TIESCALAR";
534 stash = gv_stashsv(mark[1], FALSE);
535 if (!stash || !(gv = gv_fetchmethod(stash, methname)))
536 DIE("Can't locate object method \"%s\" via package \"%s\"",
537 methname, SvPV(mark[1],na));
540 Zero(&myop, 1, BINOP);
541 myop.op_last = (OP *) &myop;
542 myop.op_next = Nullop;
543 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
549 if (PERLDB_SUB && curstash != debstash)
550 op->op_private |= OPpENTERSUB_DB;
552 XPUSHs((SV*)GvCV(gv));
555 if (op = pp_entersub(ARGS))
562 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
566 if (sv_isobject(sv)) {
567 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
568 sv_unmagic(varsv, 'P');
569 sv_magic(varsv, sv, 'P', Nullch, 0);
572 sv_unmagic(varsv, 'q');
573 sv_magic(varsv, sv, 'q', Nullch, 0);
577 SP = stack_base + markoff;
592 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
593 mg = mg_find(sv, 'P') ;
595 mg = mg_find(sv, 'q') ;
597 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
598 warn("untie attempted while %lu inner references still exist",
599 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
603 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
618 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
619 mg = mg_find(sv, 'P') ;
621 mg = mg_find(sv, 'q') ;
624 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
642 bool oldcatch = CATCH_GET;
647 sv = sv_mortalcopy(&sv_no);
648 sv_setpv(sv, "AnyDBM_File");
649 stash = gv_stashsv(sv, FALSE);
650 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
652 perl_require_pv("AnyDBM_File.pm");
654 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
655 DIE("No dbm on this machine");
659 Zero(&myop, 1, BINOP);
660 myop.op_last = (OP *) &myop;
661 myop.op_next = Nullop;
662 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
668 if (PERLDB_SUB && curstash != debstash)
669 op->op_private |= OPpENTERSUB_DB;
680 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
682 PUSHs(sv_2mortal(newSViv(O_RDWR)));
685 PUSHs((SV*)GvCV(gv));
688 if (op = pp_entersub(ARGS))
692 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
696 if (!sv_isobject(TOPs)) {
708 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
711 PUSHs((SV*)GvCV(gv));
716 if (op = pp_entersub(ARGS))
719 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
727 if (sv_isobject(TOPs))
728 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
735 return pp_untie(ARGS);
749 struct timeval timebuf;
750 struct timeval *tbuf = &timebuf;
753 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
758 # if BYTEORDER & 0xf0000
759 # define ORDERBYTE (0x88888888 - BYTEORDER)
761 # define ORDERBYTE (0x4444 - BYTEORDER)
767 for (i = 1; i <= 3; i++) {
775 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
776 #if defined(__linux__) || defined(OS2)
777 growsize = sizeof(fd_set);
779 growsize = maxlen; /* little endians can use vecs directly */
788 masksize = NFDBITS / NBBY;
790 masksize = sizeof(long); /* documented int, everyone seems to use long */
792 growsize = maxlen + (masksize - (maxlen % masksize));
793 Zero(&fd_sets[0], 4, char*);
801 timebuf.tv_sec = (long)value;
802 value -= (double)timebuf.tv_sec;
803 timebuf.tv_usec = (long)(value * 1000000.0);
806 tbuf = Null(struct timeval*);
808 for (i = 1; i <= 3; i++) {
815 SvPV_force(sv,na); /* force string conversion */
818 Sv_Grow(sv, growsize);
822 while (++j <= growsize) {
826 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
828 New(403, fd_sets[i], growsize, char);
829 for (offset = 0; offset < growsize; offset += masksize) {
830 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
831 fd_sets[i][j+offset] = s[(k % masksize) + offset];
834 fd_sets[i] = SvPVX(sv);
838 nfound = PerlSock_select(
840 (Select_fd_set_t) fd_sets[1],
841 (Select_fd_set_t) fd_sets[2],
842 (Select_fd_set_t) fd_sets[3],
844 for (i = 1; i <= 3; i++) {
847 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
849 for (offset = 0; offset < growsize; offset += masksize) {
850 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
851 s[(k % masksize) + offset] = fd_sets[i][j+offset];
853 Safefree(fd_sets[i]);
860 if (GIMME == G_ARRAY && tbuf) {
861 value = (double)(timebuf.tv_sec) +
862 (double)(timebuf.tv_usec) / 1000000.0;
863 PUSHs(sv = sv_mortalcopy(&sv_no));
868 DIE("select not implemented");
877 (void)SvREFCNT_inc(gv);
879 SvREFCNT_dec(defoutgv);
889 newdefout = (op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
891 egv = GvEGV(defoutgv);
898 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
899 if (gvp && *gvp == egv) {
900 gv_efullname3(TARG, defoutgv, Nullch);
904 XPUSHs(sv_2mortal(newRV((SV*)egv)));
909 if (!GvIO(newdefout))
911 setdefout(newdefout);
930 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
936 perl_call_method("GETC", gimme);
939 if (gimme == G_SCALAR)
940 SvSetMagicSV_nosteal(TARG, TOPs);
943 if (!gv || do_eof(gv)) /* make sure we have fp with something */
947 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
954 return pp_sysread(ARGS);
958 doform(CV *cv, GV *gv, OP *retop)
961 register PERL_CONTEXT *cx;
963 AV* padlist = CvPADLIST(cv);
964 SV** svp = AvARRAY(padlist);
970 PUSHBLOCK(cx, CXt_SUB, stack_sp);
973 curpad = AvARRAY((AV*)svp[1]);
975 setdefout(gv); /* locally select filehandle so $% et al work */
1007 SV *tmpsv = sv_newmortal();
1008 gv_efullname3(tmpsv, fgv, Nullch);
1009 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
1011 DIE("Not a format reference");
1014 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1016 IoFLAGS(io) &= ~IOf_DIDTOP;
1017 return doform(cv,gv,op->op_next);
1023 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1024 register IO *io = GvIOp(gv);
1025 PerlIO *ofp = IoOFP(io);
1029 register PERL_CONTEXT *cx;
1031 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1032 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
1033 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
1034 formtarget != toptarget)
1038 if (!IoTOP_GV(io)) {
1042 if (!IoTOP_NAME(io)) {
1043 if (!IoFMT_NAME(io))
1044 IoFMT_NAME(io) = savepv(GvNAME(gv));
1045 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1046 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1047 if ((topgv && GvFORM(topgv)) ||
1048 !gv_fetchpv("top",FALSE,SVt_PVFM))
1049 IoTOP_NAME(io) = savepv(SvPVX(topname));
1051 IoTOP_NAME(io) = savepv("top");
1053 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1054 if (!topgv || !GvFORM(topgv)) {
1055 IoLINES_LEFT(io) = 100000000;
1058 IoTOP_GV(io) = topgv;
1060 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1061 I32 lines = IoLINES_LEFT(io);
1062 char *s = SvPVX(formtarget);
1063 if (lines <= 0) /* Yow, header didn't even fit!!! */
1065 while (lines-- > 0) {
1066 s = strchr(s, '\n');
1072 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1073 sv_chop(formtarget, s);
1074 FmLINES(formtarget) -= IoLINES_LEFT(io);
1077 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1078 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1079 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1081 formtarget = toptarget;
1082 IoFLAGS(io) |= IOf_DIDTOP;
1085 DIE("bad top format reference");
1088 SV *tmpsv = sv_newmortal();
1089 gv_efullname3(tmpsv, fgv, Nullch);
1090 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1093 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1094 return doform(cv,gv,op);
1106 warn("Filehandle only opened for input");
1108 warn("Write on closed filehandle");
1113 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1115 warn("page overflow");
1117 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1121 FmLINES(formtarget) = 0;
1122 SvCUR_set(formtarget, 0);
1123 *SvEND(formtarget) = '\0';
1124 if (IoFLAGS(io) & IOf_FLUSH)
1125 (void)PerlIO_flush(fp);
1129 formtarget = bodytarget;
1131 return pop_return();
1136 djSP; dMARK; dORIGMARK;
1143 if (op->op_flags & OPf_STACKED)
1148 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1149 if (MARK == ORIGMARK) {
1152 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1159 perl_call_method("PRINTF", G_SCALAR);
1162 MARK = ORIGMARK + 1;
1169 if (!(io = GvIO(gv))) {
1171 gv_fullname3(sv, gv, Nullch);
1172 warn("Filehandle %s never opened", SvPV(sv,na));
1174 SETERRNO(EBADF,RMS$_IFI);
1177 else if (!(fp = IoOFP(io))) {
1179 gv_fullname3(sv, gv, Nullch);
1181 warn("Filehandle %s opened only for input", SvPV(sv,na));
1183 warn("printf on closed filehandle %s", SvPV(sv,na));
1185 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1189 #ifdef USE_LOCALE_NUMERIC
1190 if (op->op_private & OPpLOCALE)
1191 SET_NUMERIC_LOCAL();
1193 SET_NUMERIC_STANDARD();
1195 do_sprintf(sv, SP - MARK, MARK + 1);
1196 if (!do_print(sv, fp))
1199 if (IoFLAGS(io) & IOf_FLUSH)
1200 if (PerlIO_flush(fp) == EOF)
1232 tmps = SvPV(sv, len);
1233 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1234 IoLINES(GvIOp(gv)) = 0;
1245 djSP; dMARK; dORIGMARK; dTARGET;
1251 Sock_size_t bufsize;
1257 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1258 SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1265 perl_call_method("READ", G_SCALAR);
1278 sv_setpvn(bufsv, "", 0);
1279 buffer = SvPV_force(bufsv, blen);
1280 length = SvIVx(*++MARK);
1282 DIE("Negative length");
1285 offset = SvIVx(*++MARK);
1289 if (!io || !IoIFP(io))
1292 if (op->op_type == OP_RECV) {
1293 char namebuf[MAXPATHLEN];
1294 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1295 bufsize = sizeof (struct sockaddr_in);
1297 bufsize = sizeof namebuf;
1299 buffer = SvGROW(bufsv, length+1);
1300 /* 'offset' means 'flags' here */
1301 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1302 (struct sockaddr *)namebuf, &bufsize);
1305 SvCUR_set(bufsv, length);
1306 *SvEND(bufsv) = '\0';
1307 (void)SvPOK_only(bufsv);
1309 /* This should not be marked tainted if the fp is marked clean */
1310 if (!(IoFLAGS(io) & IOf_UNTAINT))
1311 SvTAINTED_on(bufsv);
1313 sv_setpvn(TARG, namebuf, bufsize);
1318 if (op->op_type == OP_RECV)
1319 DIE(no_sock_func, "recv");
1323 DIE("Offset outside string");
1326 bufsize = SvCUR(bufsv);
1327 buffer = SvGROW(bufsv, length+offset+1);
1328 if (offset > bufsize) { /* Zero any newly allocated space */
1329 Zero(buffer+bufsize, offset-bufsize, char);
1331 if (op->op_type == OP_SYSREAD) {
1332 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1335 #ifdef HAS_SOCKET__bad_code_maybe
1336 if (IoTYPE(io) == 's') {
1337 char namebuf[MAXPATHLEN];
1338 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1339 bufsize = sizeof (struct sockaddr_in);
1341 bufsize = sizeof namebuf;
1343 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1344 (struct sockaddr *)namebuf, &bufsize);
1348 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1351 SvCUR_set(bufsv, length+offset);
1352 *SvEND(bufsv) = '\0';
1353 (void)SvPOK_only(bufsv);
1355 /* This should not be marked tainted if the fp is marked clean */
1356 if (!(IoFLAGS(io) & IOf_UNTAINT))
1357 SvTAINTED_on(bufsv);
1369 return pp_send(ARGS);
1374 djSP; dMARK; dORIGMARK; dTARGET;
1387 buffer = SvPV(bufsv, blen);
1388 length = SvIVx(*++MARK);
1390 DIE("Negative length");
1393 if (!io || !IoIFP(io)) {
1396 if (op->op_type == OP_SYSWRITE)
1397 warn("Syswrite on closed filehandle");
1399 warn("Send on closed socket");
1402 else if (op->op_type == OP_SYSWRITE) {
1404 offset = SvIVx(*++MARK);
1407 DIE("Offset outside string");
1409 } else if (offset >= blen && blen > 0)
1410 DIE("Offset outside string");
1413 if (length > blen - offset)
1414 length = blen - offset;
1415 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1418 else if (SP > MARK) {
1421 sockbuf = SvPVx(*++MARK, mlen);
1422 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1423 (struct sockaddr *)sockbuf, mlen);
1426 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1430 DIE(no_sock_func, "send");
1445 return pp_sysread(ARGS);
1456 gv = last_in_gv = (GV*)POPs;
1457 PUSHs(boolSV(!gv || do_eof(gv)));
1469 gv = last_in_gv = (GV*)POPs;
1470 PUSHi( do_tell(gv) );
1476 return pp_sysseek(ARGS);
1486 gv = last_in_gv = (GV*)POPs;
1487 if (op->op_type == OP_SEEK)
1488 PUSHs(boolSV(do_seek(gv, offset, whence)));
1490 long n = do_sysseek(gv, offset, whence);
1491 PUSHs((n < 0) ? &sv_undef
1492 : sv_2mortal(n ? newSViv((IV)n)
1493 : newSVpv(zero_but_true, ZBTLEN)));
1501 Off_t len = (Off_t)POPn;
1506 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1507 if (op->op_flags & OPf_SPECIAL) {
1508 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1510 TAINT_PROPER("truncate");
1511 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1513 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1515 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1523 if (SvTYPE(sv) == SVt_PVGV) {
1524 tmpgv = (GV*)sv; /* *main::FRED for example */
1527 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1528 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1532 name = SvPV(sv, na);
1533 TAINT_PROPER("truncate");
1535 if (truncate(name, len) < 0)
1540 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1543 if (my_chsize(tmpfd, len) < 0)
1545 PerlLIO_close(tmpfd);
1554 SETERRNO(EBADF,RMS$_IFI);
1557 DIE("truncate not implemented");
1563 return pp_ioctl(ARGS);
1570 unsigned int func = U_I(POPn);
1571 int optype = op->op_type;
1577 if (!io || !argsv || !IoIFP(io)) {
1578 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1582 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1585 s = SvPV_force(argsv, len);
1586 need = IOCPARM_LEN(func);
1588 s = Sv_Grow(argsv, need + 1);
1589 SvCUR_set(argsv, need);
1592 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1595 retval = SvIV(argsv);
1596 s = (char*)retval; /* ouch */
1599 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1601 if (optype == OP_IOCTL)
1603 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1605 DIE("ioctl is not implemented");
1609 #if defined(OS2) && defined(__EMX__)
1610 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1612 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1615 DIE("fcntl is not implemented");
1619 if (s[SvCUR(argsv)] != 17)
1620 DIE("Possible memory corruption: %s overflowed 3rd argument",
1622 s[SvCUR(argsv)] = 0; /* put our null back */
1623 SvSETMAGIC(argsv); /* Assume it has changed */
1632 PUSHp(zero_but_true, ZBTLEN);
1652 fp = IoIFP(GvIOp(gv));
1656 (void)PerlIO_flush(fp);
1657 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1664 DIE(no_func, "flock()");
1676 int protocol = POPi;
1684 SETERRNO(EBADF,LIB$_INVARG);
1690 do_close(gv, FALSE);
1692 TAINT_PROPER("socket");
1693 fd = PerlSock_socket(domain, type, protocol);
1696 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1697 IoOFP(io) = PerlIO_fdopen(fd, "w");
1699 if (!IoIFP(io) || !IoOFP(io)) {
1700 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1701 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1702 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1708 DIE(no_sock_func, "socket");
1715 #ifdef HAS_SOCKETPAIR
1720 int protocol = POPi;
1733 do_close(gv1, FALSE);
1735 do_close(gv2, FALSE);
1737 TAINT_PROPER("socketpair");
1738 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1740 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1741 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1743 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1744 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1746 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1747 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1748 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1749 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1750 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1751 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1752 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1758 DIE(no_sock_func, "socketpair");
1769 register IO *io = GvIOn(gv);
1772 if (!io || !IoIFP(io))
1775 addr = SvPV(addrsv, len);
1776 TAINT_PROPER("bind");
1777 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1784 warn("bind() on closed fd");
1785 SETERRNO(EBADF,SS$_IVCHAN);
1788 DIE(no_sock_func, "bind");
1799 register IO *io = GvIOn(gv);
1802 if (!io || !IoIFP(io))
1805 addr = SvPV(addrsv, len);
1806 TAINT_PROPER("connect");
1807 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1814 warn("connect() on closed fd");
1815 SETERRNO(EBADF,SS$_IVCHAN);
1818 DIE(no_sock_func, "connect");
1828 register IO *io = GvIOn(gv);
1830 if (!io || !IoIFP(io))
1833 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1840 warn("listen() on closed fd");
1841 SETERRNO(EBADF,SS$_IVCHAN);
1844 DIE(no_sock_func, "listen");
1856 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1857 Sock_size_t len = sizeof saddr;
1869 if (!gstio || !IoIFP(gstio))
1874 do_close(ngv, FALSE);
1876 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1879 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1880 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1881 IoTYPE(nstio) = 's';
1882 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1883 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1884 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1885 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
1889 PUSHp((char *)&saddr, len);
1894 warn("accept() on closed fd");
1895 SETERRNO(EBADF,SS$_IVCHAN);
1901 DIE(no_sock_func, "accept");
1911 register IO *io = GvIOn(gv);
1913 if (!io || !IoIFP(io))
1916 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1921 warn("shutdown() on closed fd");
1922 SETERRNO(EBADF,SS$_IVCHAN);
1925 DIE(no_sock_func, "shutdown");
1932 return pp_ssockopt(ARGS);
1934 DIE(no_sock_func, "getsockopt");
1942 int optype = op->op_type;
1945 unsigned int optname;
1951 if (optype == OP_GSOCKOPT)
1952 sv = sv_2mortal(NEWSV(22, 257));
1955 optname = (unsigned int) POPi;
1956 lvl = (unsigned int) POPi;
1960 if (!io || !IoIFP(io))
1963 fd = PerlIO_fileno(IoIFP(io));
1967 (void)SvPOK_only(sv);
1971 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1984 else if (SvOK(sv)) {
1985 aint = (int)SvIV(sv);
1989 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
1999 warn("[gs]etsockopt() on closed fd");
2000 SETERRNO(EBADF,SS$_IVCHAN);
2005 DIE(no_sock_func, "setsockopt");
2012 return pp_getpeername(ARGS);
2014 DIE(no_sock_func, "getsockname");
2022 int optype = op->op_type;
2026 register IO *io = GvIOn(gv);
2029 if (!io || !IoIFP(io))
2032 sv = sv_2mortal(NEWSV(22, 257));
2033 (void)SvPOK_only(sv);
2037 fd = PerlIO_fileno(IoIFP(io));
2039 case OP_GETSOCKNAME:
2040 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2043 case OP_GETPEERNAME:
2044 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2046 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2048 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2049 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2050 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2051 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2052 sizeof(u_short) + sizeof(struct in_addr))) {
2059 #ifdef BOGUS_GETNAME_RETURN
2060 /* Interactive Unix, getpeername() and getsockname()
2061 does not return valid namelen */
2062 if (len == BOGUS_GETNAME_RETURN)
2063 len = sizeof(struct sockaddr);
2072 warn("get{sock, peer}name() on closed fd");
2073 SETERRNO(EBADF,SS$_IVCHAN);
2078 DIE(no_sock_func, "getpeername");
2086 return pp_stat(ARGS);
2096 if (op->op_flags & OPf_REF) {
2097 tmpgv = cGVOP->op_gv;
2099 if (tmpgv != defgv) {
2100 laststype = OP_STAT;
2102 sv_setpv(statname, "");
2103 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2104 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2106 if (laststatval < 0)
2111 if (SvTYPE(sv) == SVt_PVGV) {
2115 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2116 tmpgv = (GV*)SvRV(sv);
2119 sv_setpv(statname, SvPV(sv,na));
2122 laststype = op->op_type;
2123 if (op->op_type == OP_LSTAT)
2124 laststatval = PerlLIO_lstat(SvPV(statname, na), &statcache);
2127 laststatval = Stat(SvPV(statname, na), &statcache);
2128 if (laststatval < 0) {
2129 if (dowarn && strchr(SvPV(statname, na), '\n'))
2130 warn(warn_nl, "stat");
2136 if (gimme != G_ARRAY) {
2137 if (gimme != G_VOID)
2138 XPUSHs(boolSV(max));
2144 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2145 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2146 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2147 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2148 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2149 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2150 #ifdef USE_STAT_RDEV
2151 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2153 PUSHs(sv_2mortal(newSVpv("", 0)));
2155 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2157 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2158 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2159 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2161 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2162 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2163 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2165 #ifdef USE_STAT_BLOCKS
2166 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2167 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2169 PUSHs(sv_2mortal(newSVpv("", 0)));
2170 PUSHs(sv_2mortal(newSVpv("", 0)));
2178 I32 result = my_stat(ARGS);
2182 if (cando(S_IRUSR, 0, &statcache))
2189 I32 result = my_stat(ARGS);
2193 if (cando(S_IWUSR, 0, &statcache))
2200 I32 result = my_stat(ARGS);
2204 if (cando(S_IXUSR, 0, &statcache))
2211 I32 result = my_stat(ARGS);
2215 if (cando(S_IRUSR, 1, &statcache))
2222 I32 result = my_stat(ARGS);
2226 if (cando(S_IWUSR, 1, &statcache))
2233 I32 result = my_stat(ARGS);
2237 if (cando(S_IXUSR, 1, &statcache))
2244 I32 result = my_stat(ARGS);
2253 return pp_ftrowned(ARGS);
2258 I32 result = my_stat(ARGS);
2262 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2269 I32 result = my_stat(ARGS);
2273 if (!statcache.st_size)
2280 I32 result = my_stat(ARGS);
2284 PUSHi(statcache.st_size);
2290 I32 result = my_stat(ARGS);
2294 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2300 I32 result = my_stat(ARGS);
2304 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2310 I32 result = my_stat(ARGS);
2314 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2320 I32 result = my_stat(ARGS);
2324 if (S_ISSOCK(statcache.st_mode))
2331 I32 result = my_stat(ARGS);
2335 if (S_ISCHR(statcache.st_mode))
2342 I32 result = my_stat(ARGS);
2346 if (S_ISBLK(statcache.st_mode))
2353 I32 result = my_stat(ARGS);
2357 if (S_ISREG(statcache.st_mode))
2364 I32 result = my_stat(ARGS);
2368 if (S_ISDIR(statcache.st_mode))
2375 I32 result = my_stat(ARGS);
2379 if (S_ISFIFO(statcache.st_mode))
2386 I32 result = my_lstat(ARGS);
2390 if (S_ISLNK(statcache.st_mode))
2399 I32 result = my_stat(ARGS);
2403 if (statcache.st_mode & S_ISUID)
2413 I32 result = my_stat(ARGS);
2417 if (statcache.st_mode & S_ISGID)
2427 I32 result = my_stat(ARGS);
2431 if (statcache.st_mode & S_ISVTX)
2442 char *tmps = Nullch;
2444 if (op->op_flags & OPf_REF)
2446 else if (isGV(TOPs))
2448 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2449 gv = (GV*)SvRV(POPs);
2451 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2453 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2454 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2455 else if (tmps && isDIGIT(*tmps))
2459 if (PerlLIO_isatty(fd))
2464 #if defined(atarist) /* this will work with atariST. Configure will
2465 make guesses for other systems. */
2466 # define FILE_base(f) ((f)->_base)
2467 # define FILE_ptr(f) ((f)->_ptr)
2468 # define FILE_cnt(f) ((f)->_cnt)
2469 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2479 register STDCHAR *s;
2484 if (op->op_flags & OPf_REF)
2486 else if (isGV(TOPs))
2488 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2489 gv = (GV*)SvRV(POPs);
2500 goto really_filename;
2506 sv_setpv(statname, "");
2509 if (io && IoIFP(io)) {
2510 if (! PerlIO_has_base(IoIFP(io)))
2511 DIE("-T and -B not implemented on filehandles");
2512 laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2513 if (laststatval < 0)
2515 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2516 if (op->op_type == OP_FTTEXT)
2520 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2521 i = PerlIO_getc(IoIFP(io));
2523 (void)PerlIO_ungetc(IoIFP(io),i);
2525 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2527 len = PerlIO_get_bufsiz(IoIFP(io));
2528 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2529 /* sfio can have large buffers - limit to 512 */
2535 warn("Test on unopened file <%s>",
2536 GvENAME(cGVOP->op_gv));
2537 SETERRNO(EBADF,RMS$_IFI);
2546 sv_setpv(statname, SvPV(sv, na));
2548 i = PerlLIO_open3(SvPV(sv, na), O_RDONLY, 0);
2550 i = PerlLIO_open(SvPV(sv, na), 0);
2553 if (dowarn && strchr(SvPV(sv, na), '\n'))
2554 warn(warn_nl, "open");
2557 laststatval = PerlLIO_fstat(i, &statcache);
2558 if (laststatval < 0)
2560 len = PerlLIO_read(i, tbuf, 512);
2561 (void)PerlLIO_close(i);
2563 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2564 RETPUSHNO; /* special case NFS directories */
2565 RETPUSHYES; /* null file is anything */
2570 /* now scan s to look for textiness */
2571 /* XXX ASCII dependent code */
2573 for (i = 0; i < len; i++, s++) {
2574 if (!*s) { /* null never allowed in text */
2581 *s != '\n' && *s != '\r' && *s != '\b' &&
2582 *s != '\t' && *s != '\f' && *s != 27)
2586 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2594 return pp_fttext(ARGS);
2609 if (!tmps || !*tmps) {
2610 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2612 tmps = SvPV(*svp, na);
2614 if (!tmps || !*tmps) {
2615 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2617 tmps = SvPV(*svp, na);
2619 TAINT_PROPER("chdir");
2620 PUSHi( PerlDir_chdir(tmps) >= 0 );
2622 /* Clear the DEFAULT element of ENV so we'll get the new value
2624 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2631 djSP; dMARK; dTARGET;
2634 value = (I32)apply(op->op_type, MARK, SP);
2639 DIE(no_func, "Unsupported function chown");
2649 TAINT_PROPER("chroot");
2650 PUSHi( chroot(tmps) >= 0 );
2653 DIE(no_func, "chroot");
2659 djSP; dMARK; dTARGET;
2661 value = (I32)apply(op->op_type, MARK, SP);
2669 djSP; dMARK; dTARGET;
2671 value = (I32)apply(op->op_type, MARK, SP);
2679 djSP; dMARK; dTARGET;
2681 value = (I32)apply(op->op_type, MARK, SP);
2693 char *tmps = SvPV(TOPs, na);
2694 TAINT_PROPER("rename");
2696 anum = rename(tmps, tmps2);
2698 if (!(anum = Stat(tmps, &statbuf))) {
2699 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2702 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2703 (void)UNLINK(tmps2);
2704 if (!(anum = link(tmps, tmps2)))
2705 anum = UNLINK(tmps);
2718 char *tmps = SvPV(TOPs, na);
2719 TAINT_PROPER("link");
2720 SETi( link(tmps, tmps2) >= 0 );
2722 DIE(no_func, "Unsupported function link");
2732 char *tmps = SvPV(TOPs, na);
2733 TAINT_PROPER("symlink");
2734 SETi( symlink(tmps, tmps2) >= 0 );
2737 DIE(no_func, "symlink");
2746 char buf[MAXPATHLEN];
2749 #ifndef INCOMPLETE_TAINTS
2753 len = readlink(tmps, buf, sizeof buf);
2761 RETSETUNDEF; /* just pretend it's a normal file */
2765 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2767 dooneliner(cmd, filename)
2771 char *save_filename = filename;
2777 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2778 strcpy(cmdline, cmd);
2779 strcat(cmdline, " ");
2780 for (s = cmdline + strlen(cmdline); *filename; ) {
2785 myfp = PerlProc_popen(cmdline, "r");
2789 SV *tmpsv = sv_newmortal();
2790 /* Need to save/restore 'rs' ?? */
2791 s = sv_gets(tmpsv, myfp, 0);
2792 (void)PerlProc_pclose(myfp);
2796 #ifdef HAS_SYS_ERRLIST
2801 /* you don't see this */
2803 #ifdef HAS_SYS_ERRLIST
2811 if (instr(s, errmsg)) {
2818 #define EACCES EPERM
2820 if (instr(s, "cannot make"))
2821 SETERRNO(EEXIST,RMS$_FEX);
2822 else if (instr(s, "existing file"))
2823 SETERRNO(EEXIST,RMS$_FEX);
2824 else if (instr(s, "ile exists"))
2825 SETERRNO(EEXIST,RMS$_FEX);
2826 else if (instr(s, "non-exist"))
2827 SETERRNO(ENOENT,RMS$_FNF);
2828 else if (instr(s, "does not exist"))
2829 SETERRNO(ENOENT,RMS$_FNF);
2830 else if (instr(s, "not empty"))
2831 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2832 else if (instr(s, "cannot access"))
2833 SETERRNO(EACCES,RMS$_PRV);
2835 SETERRNO(EPERM,RMS$_PRV);
2838 else { /* some mkdirs return no failure indication */
2839 anum = (Stat(save_filename, &statbuf) >= 0);
2840 if (op->op_type == OP_RMDIR)
2845 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2861 char *tmps = SvPV(TOPs, na);
2863 TAINT_PROPER("mkdir");
2865 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
2867 SETi( dooneliner("mkdir", tmps) );
2868 oldumask = PerlLIO_umask(0);
2869 PerlLIO_umask(oldumask);
2870 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
2881 TAINT_PROPER("rmdir");
2883 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
2885 XPUSHi( dooneliner("rmdir", tmps) );
2890 /* Directory calls. */
2895 #if defined(Direntry_t) && defined(HAS_READDIR)
2896 char *dirname = POPp;
2898 register IO *io = GvIOn(gv);
2904 PerlDir_close(IoDIRP(io));
2905 if (!(IoDIRP(io) = PerlDir_open(dirname)))
2911 SETERRNO(EBADF,RMS$_DIR);
2914 DIE(no_dir_func, "opendir");
2921 #if defined(Direntry_t) && defined(HAS_READDIR)
2923 Direntry_t *readdir _((DIR *));
2925 register Direntry_t *dp;
2927 register IO *io = GvIOn(gv);
2930 if (!io || !IoDIRP(io))
2933 if (GIMME == G_ARRAY) {
2935 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
2937 sv = newSVpv(dp->d_name, dp->d_namlen);
2939 sv = newSVpv(dp->d_name, 0);
2941 #ifndef INCOMPLETE_TAINTS
2944 XPUSHs(sv_2mortal(sv));
2948 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
2951 sv = newSVpv(dp->d_name, dp->d_namlen);
2953 sv = newSVpv(dp->d_name, 0);
2955 #ifndef INCOMPLETE_TAINTS
2958 XPUSHs(sv_2mortal(sv));
2964 SETERRNO(EBADF,RMS$_ISI);
2965 if (GIMME == G_ARRAY)
2970 DIE(no_dir_func, "readdir");
2977 #if defined(HAS_TELLDIR) || defined(telldir)
2978 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE) && !defined(DONT_DECLARE_STD)
2979 long telldir _((DIR *));
2982 register IO *io = GvIOn(gv);
2984 if (!io || !IoDIRP(io))
2987 PUSHi( PerlDir_tell(IoDIRP(io)) );
2991 SETERRNO(EBADF,RMS$_ISI);
2994 DIE(no_dir_func, "telldir");
3001 #if defined(HAS_SEEKDIR) || defined(seekdir)
3004 register IO *io = GvIOn(gv);
3006 if (!io || !IoDIRP(io))
3009 (void)PerlDir_seek(IoDIRP(io), along);
3014 SETERRNO(EBADF,RMS$_ISI);
3017 DIE(no_dir_func, "seekdir");
3024 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3026 register IO *io = GvIOn(gv);
3028 if (!io || !IoDIRP(io))
3031 (void)PerlDir_rewind(IoDIRP(io));
3035 SETERRNO(EBADF,RMS$_ISI);
3038 DIE(no_dir_func, "rewinddir");
3045 #if defined(Direntry_t) && defined(HAS_READDIR)
3047 register IO *io = GvIOn(gv);
3049 if (!io || !IoDIRP(io))
3052 #ifdef VOID_CLOSEDIR
3053 PerlDir_close(IoDIRP(io));
3055 if (PerlDir_close(IoDIRP(io)) < 0) {
3056 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3065 SETERRNO(EBADF,RMS$_IFI);
3068 DIE(no_dir_func, "closedir");
3072 /* Process control. */
3087 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3088 sv_setiv(GvSV(tmpgv), (IV)getpid());
3089 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3094 DIE(no_func, "Unsupported function fork");
3100 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3105 childpid = wait4pid(-1, &argflags, 0);
3106 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3110 DIE(no_func, "Unsupported function wait");
3116 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3124 childpid = wait4pid(childpid, &argflags, optype);
3125 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3129 DIE(no_func, "Unsupported function waitpid");
3135 djSP; dMARK; dORIGMARK; dTARGET;
3140 Sigsave_t ihand,qhand; /* place to save signals during system() */
3142 if (SP - MARK == 1) {
3144 char *junk = SvPV(TOPs, na);
3146 TAINT_PROPER("system");
3149 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3150 while ((childpid = vfork()) == -1) {
3151 if (errno != EAGAIN) {
3160 rsignal_save(SIGINT, SIG_IGN, &ihand);
3161 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3163 result = wait4pid(childpid, &status, 0);
3164 } while (result == -1 && errno == EINTR);
3165 (void)rsignal_restore(SIGINT, &ihand);
3166 (void)rsignal_restore(SIGQUIT, &qhand);
3167 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3168 do_execfree(); /* free any memory child malloced on vfork */
3170 PUSHi(STATUS_CURRENT);
3173 if (op->op_flags & OPf_STACKED) {
3174 SV *really = *++MARK;
3175 value = (I32)do_aexec(really, MARK, SP);
3177 else if (SP - MARK != 1)
3178 value = (I32)do_aexec(Nullsv, MARK, SP);
3180 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3183 #else /* ! FORK or VMS or OS/2 */
3184 if (op->op_flags & OPf_STACKED) {
3185 SV *really = *++MARK;
3186 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3188 else if (SP - MARK != 1)
3189 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3191 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3193 STATUS_NATIVE_SET(value);
3196 PUSHi(STATUS_CURRENT);
3197 #endif /* !FORK or VMS */
3203 djSP; dMARK; dORIGMARK; dTARGET;
3206 if (op->op_flags & OPf_STACKED) {
3207 SV *really = *++MARK;
3208 value = (I32)do_aexec(really, MARK, SP);
3210 else if (SP - MARK != 1)
3212 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3214 value = (I32)do_aexec(Nullsv, MARK, SP);
3218 char *junk = SvPV(*SP, na);
3220 TAINT_PROPER("exec");
3223 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3225 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3235 djSP; dMARK; dTARGET;
3238 value = (I32)apply(op->op_type, MARK, SP);
3243 DIE(no_func, "Unsupported function kill");
3251 XPUSHi( getppid() );
3254 DIE(no_func, "getppid");
3270 value = (I32)BSD_GETPGRP(pid);
3272 if (pid != 0 && pid != getpid())
3273 DIE("POSIX getpgrp can't take an argument");
3274 value = (I32)getpgrp();
3279 DIE(no_func, "getpgrp()");
3298 TAINT_PROPER("setpgrp");
3300 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3302 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3303 DIE("POSIX setpgrp can't take an argument");
3304 SETi( setpgrp() >= 0 );
3305 #endif /* USE_BSDPGRP */
3308 DIE(no_func, "setpgrp()");
3317 #ifdef HAS_GETPRIORITY
3320 SETi( getpriority(which, who) );
3323 DIE(no_func, "getpriority()");
3333 #ifdef HAS_SETPRIORITY
3337 TAINT_PROPER("setpriority");
3338 SETi( setpriority(which, who, niceval) >= 0 );
3341 DIE(no_func, "setpriority()");
3351 XPUSHn( time(Null(Time_t*)) );
3353 XPUSHi( time(Null(Time_t*)) );
3358 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3359 to HZ. Probably. For now, assume that if the system
3360 defines HZ, it does so correctly. (Will this break
3362 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3363 it's supported. --AD 9/96.
3379 DIE("times not implemented");
3384 (void)times(×buf);
3386 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3387 /* struct tms, though same data */
3391 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3392 if (GIMME == G_ARRAY) {
3393 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3394 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3395 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3398 #endif /* HAS_TIMES */
3403 return pp_gmtime(ARGS);
3411 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3412 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3413 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3419 when = (Time_t)SvNVx(POPs);
3421 when = (Time_t)SvIVx(POPs);
3424 if (op->op_type == OP_LOCALTIME)
3425 tmbuf = localtime(&when);
3427 tmbuf = gmtime(&when);
3431 if (GIMME != G_ARRAY) {
3436 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3437 dayname[tmbuf->tm_wday],
3438 monname[tmbuf->tm_mon],
3443 tmbuf->tm_year + 1900);
3444 PUSHs(sv_2mortal(tsv));
3447 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3448 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3449 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3450 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3451 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3452 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3453 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3454 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3455 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3466 anum = alarm((unsigned int)anum);
3473 DIE(no_func, "Unsupported function alarm");
3484 (void)time(&lasttime);
3489 sleep((unsigned int)duration);
3492 XPUSHi(when - lasttime);
3496 /* Shared memory. */
3500 return pp_semget(ARGS);
3505 return pp_semctl(ARGS);
3510 return pp_shmwrite(ARGS);
3515 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3516 djSP; dMARK; dTARGET;
3517 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3522 return pp_semget(ARGS);
3526 /* Message passing. */
3530 return pp_semget(ARGS);
3535 return pp_semctl(ARGS);
3540 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3541 djSP; dMARK; dTARGET;
3542 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3547 return pp_semget(ARGS);
3553 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3554 djSP; dMARK; dTARGET;
3555 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3560 return pp_semget(ARGS);
3568 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3569 djSP; dMARK; dTARGET;
3570 int anum = do_ipcget(op->op_type, MARK, SP);
3577 DIE("System V IPC is not implemented on this machine");
3583 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3584 djSP; dMARK; dTARGET;
3585 int anum = do_ipcctl(op->op_type, MARK, SP);
3593 PUSHp(zero_but_true, ZBTLEN);
3597 return pp_semget(ARGS);
3603 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3604 djSP; dMARK; dTARGET;
3605 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3610 return pp_semget(ARGS);
3614 /* Get system info. */
3619 return pp_ghostent(ARGS);
3621 DIE(no_sock_func, "gethostbyname");
3628 return pp_ghostent(ARGS);
3630 DIE(no_sock_func, "gethostbyaddr");
3638 I32 which = op->op_type;
3639 register char **elem;
3641 #if defined(HAS_GETHOSTENT) && !defined(DONT_DECLARE_STD)
3642 struct hostent *PerlSock_gethostbyname(const char *);
3643 struct hostent *PerlSock_gethostbyaddr(const Gethbadd_addr_t, Gethbadd_alen_t, int);
3644 struct hostent *PerlSock_gethostent(void);
3646 struct hostent *hent;
3650 if (which == OP_GHBYNAME) {
3651 hent = PerlSock_gethostbyname(POPp);
3653 else if (which == OP_GHBYADDR) {
3654 int addrtype = POPi;
3657 Gethbadd_addr_t addr = (Gethbadd_addr_t) SvPV(addrsv, addrlen);
3659 hent = PerlSock_gethostbyaddr(addr, (Gethbadd_alen_t) addrlen, addrtype);
3662 #ifdef HAS_GETHOSTENT
3663 hent = PerlSock_gethostent();
3665 DIE("gethostent not implemented");
3668 #ifdef HOST_NOT_FOUND
3670 STATUS_NATIVE_SET(h_errno);
3673 if (GIMME != G_ARRAY) {
3674 PUSHs(sv = sv_newmortal());
3676 if (which == OP_GHBYNAME) {
3678 sv_setpvn(sv, hent->h_addr, hent->h_length);
3681 sv_setpv(sv, (char*)hent->h_name);
3687 PUSHs(sv = sv_mortalcopy(&sv_no));
3688 sv_setpv(sv, (char*)hent->h_name);
3689 PUSHs(sv = sv_mortalcopy(&sv_no));
3690 for (elem = hent->h_aliases; elem && *elem; elem++) {
3691 sv_catpv(sv, *elem);
3693 sv_catpvn(sv, " ", 1);
3695 PUSHs(sv = sv_mortalcopy(&sv_no));
3696 sv_setiv(sv, (IV)hent->h_addrtype);
3697 PUSHs(sv = sv_mortalcopy(&sv_no));
3698 len = hent->h_length;
3699 sv_setiv(sv, (IV)len);
3701 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3702 XPUSHs(sv = sv_mortalcopy(&sv_no));
3703 sv_setpvn(sv, *elem, len);
3706 PUSHs(sv = sv_mortalcopy(&sv_no));
3708 sv_setpvn(sv, hent->h_addr, len);
3713 DIE(no_sock_func, "gethostent");
3720 return pp_gnetent(ARGS);
3722 DIE(no_sock_func, "getnetbyname");
3729 return pp_gnetent(ARGS);
3731 DIE(no_sock_func, "getnetbyaddr");
3739 I32 which = op->op_type;
3740 register char **elem;
3742 #ifdef NETDB_H_OMITS_GETNET
3743 struct netent *getnetbyname(const char *);
3745 * long is wrong for getnetbyadddr (e.g. on Alpha). POSIX.1g says
3746 * in_addr_t but then such systems don't have broken netdb.h anyway.
3748 struct netent *getnetbyaddr(Getnbadd_net_t, int);
3749 struct netent *getnetent(void);
3751 struct netent *nent;
3753 if (which == OP_GNBYNAME)
3754 nent = getnetbyname(POPp);
3755 else if (which == OP_GNBYADDR) {
3756 int addrtype = POPi;
3757 Getnbadd_net_t addr = (Getnbadd_net_t) U_L(POPn);
3758 nent = getnetbyaddr(addr, addrtype);
3764 if (GIMME != G_ARRAY) {
3765 PUSHs(sv = sv_newmortal());
3767 if (which == OP_GNBYNAME)
3768 sv_setiv(sv, (IV)nent->n_net);
3770 sv_setpv(sv, nent->n_name);
3776 PUSHs(sv = sv_mortalcopy(&sv_no));
3777 sv_setpv(sv, nent->n_name);
3778 PUSHs(sv = sv_mortalcopy(&sv_no));
3779 for (elem = nent->n_aliases; elem && *elem; elem++) {
3780 sv_catpv(sv, *elem);
3782 sv_catpvn(sv, " ", 1);
3784 PUSHs(sv = sv_mortalcopy(&sv_no));
3785 sv_setiv(sv, (IV)nent->n_addrtype);
3786 PUSHs(sv = sv_mortalcopy(&sv_no));
3787 sv_setiv(sv, (IV)nent->n_net);
3792 DIE(no_sock_func, "getnetent");
3799 return pp_gprotoent(ARGS);
3801 DIE(no_sock_func, "getprotobyname");
3808 return pp_gprotoent(ARGS);
3810 DIE(no_sock_func, "getprotobynumber");
3818 I32 which = op->op_type;
3819 register char **elem;
3821 #ifndef DONT_DECLARE_STD
3822 struct protoent *PerlSock_getprotobyname(const char *);
3823 struct protoent *PerlSock_getprotobynumber(int);
3824 struct protoent *PerlSock_getprotoent(void);
3826 struct protoent *pent;
3828 if (which == OP_GPBYNAME)
3829 pent = PerlSock_getprotobyname(POPp);
3830 else if (which == OP_GPBYNUMBER)
3831 pent = PerlSock_getprotobynumber(POPi);
3833 pent = PerlSock_getprotoent();
3836 if (GIMME != G_ARRAY) {
3837 PUSHs(sv = sv_newmortal());
3839 if (which == OP_GPBYNAME)
3840 sv_setiv(sv, (IV)pent->p_proto);
3842 sv_setpv(sv, pent->p_name);
3848 PUSHs(sv = sv_mortalcopy(&sv_no));
3849 sv_setpv(sv, pent->p_name);
3850 PUSHs(sv = sv_mortalcopy(&sv_no));
3851 for (elem = pent->p_aliases; elem && *elem; elem++) {
3852 sv_catpv(sv, *elem);
3854 sv_catpvn(sv, " ", 1);
3856 PUSHs(sv = sv_mortalcopy(&sv_no));
3857 sv_setiv(sv, (IV)pent->p_proto);
3862 DIE(no_sock_func, "getprotoent");
3869 return pp_gservent(ARGS);
3871 DIE(no_sock_func, "getservbyname");
3878 return pp_gservent(ARGS);
3880 DIE(no_sock_func, "getservbyport");
3888 I32 which = op->op_type;
3889 register char **elem;
3891 #ifndef DONT_DECLARE_STD
3892 struct servent *PerlSock_getservbyname(const char *, const char *);
3893 struct servent *PerlSock_getservbynumber();
3894 struct servent *PerlSock_getservent(void);
3896 struct servent *sent;
3898 if (which == OP_GSBYNAME) {
3902 if (proto && !*proto)
3905 sent = PerlSock_getservbyname(name, proto);
3907 else if (which == OP_GSBYPORT) {
3909 unsigned short port = POPu;
3912 port = PerlSock_htons(port);
3914 sent = PerlSock_getservbyport(port, proto);
3917 sent = PerlSock_getservent();
3920 if (GIMME != G_ARRAY) {
3921 PUSHs(sv = sv_newmortal());
3923 if (which == OP_GSBYNAME) {
3925 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
3927 sv_setiv(sv, (IV)(sent->s_port));
3931 sv_setpv(sv, sent->s_name);
3937 PUSHs(sv = sv_mortalcopy(&sv_no));
3938 sv_setpv(sv, sent->s_name);
3939 PUSHs(sv = sv_mortalcopy(&sv_no));
3940 for (elem = sent->s_aliases; elem && *elem; elem++) {
3941 sv_catpv(sv, *elem);
3943 sv_catpvn(sv, " ", 1);
3945 PUSHs(sv = sv_mortalcopy(&sv_no));
3947 sv_setiv(sv, (IV)ntohs(sent->s_port));
3949 sv_setiv(sv, (IV)(sent->s_port));
3951 PUSHs(sv = sv_mortalcopy(&sv_no));
3952 sv_setpv(sv, sent->s_proto);
3957 DIE(no_sock_func, "getservent");
3968 DIE(no_sock_func, "sethostent");
3979 DIE(no_sock_func, "setnetent");
3990 DIE(no_sock_func, "setprotoent");
4001 DIE(no_sock_func, "setservent");
4013 DIE(no_sock_func, "endhostent");
4025 DIE(no_sock_func, "endnetent");
4037 DIE(no_sock_func, "endprotoent");
4049 DIE(no_sock_func, "endservent");
4056 return pp_gpwent(ARGS);
4058 DIE(no_func, "getpwnam");
4065 return pp_gpwent(ARGS);
4067 DIE(no_func, "getpwuid");
4075 I32 which = op->op_type;
4077 struct passwd *pwent;
4079 if (which == OP_GPWNAM)
4080 pwent = getpwnam(POPp);
4081 else if (which == OP_GPWUID)
4082 pwent = getpwuid(POPi);
4084 pwent = (struct passwd *)getpwent();
4087 if (GIMME != G_ARRAY) {
4088 PUSHs(sv = sv_newmortal());
4090 if (which == OP_GPWNAM)
4091 sv_setiv(sv, (IV)pwent->pw_uid);
4093 sv_setpv(sv, pwent->pw_name);
4099 PUSHs(sv = sv_mortalcopy(&sv_no));
4100 sv_setpv(sv, pwent->pw_name);
4101 PUSHs(sv = sv_mortalcopy(&sv_no));
4102 sv_setpv(sv, pwent->pw_passwd);
4103 PUSHs(sv = sv_mortalcopy(&sv_no));
4104 sv_setiv(sv, (IV)pwent->pw_uid);
4105 PUSHs(sv = sv_mortalcopy(&sv_no));
4106 sv_setiv(sv, (IV)pwent->pw_gid);
4107 PUSHs(sv = sv_mortalcopy(&sv_no));
4109 sv_setiv(sv, (IV)pwent->pw_change);
4112 sv_setiv(sv, (IV)pwent->pw_quota);
4115 sv_setpv(sv, pwent->pw_age);
4119 PUSHs(sv = sv_mortalcopy(&sv_no));
4121 sv_setpv(sv, pwent->pw_class);
4124 sv_setpv(sv, pwent->pw_comment);
4127 PUSHs(sv = sv_mortalcopy(&sv_no));
4128 sv_setpv(sv, pwent->pw_gecos);
4129 #ifndef INCOMPLETE_TAINTS
4132 PUSHs(sv = sv_mortalcopy(&sv_no));
4133 sv_setpv(sv, pwent->pw_dir);
4134 PUSHs(sv = sv_mortalcopy(&sv_no));
4135 sv_setpv(sv, pwent->pw_shell);
4137 PUSHs(sv = sv_mortalcopy(&sv_no));
4138 sv_setiv(sv, (IV)pwent->pw_expire);
4143 DIE(no_func, "getpwent");
4150 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4154 DIE(no_func, "setpwent");
4165 DIE(no_func, "endpwent");
4172 return pp_ggrent(ARGS);
4174 DIE(no_func, "getgrnam");
4181 return pp_ggrent(ARGS);
4183 DIE(no_func, "getgrgid");
4191 I32 which = op->op_type;
4192 register char **elem;
4194 struct group *grent;
4196 if (which == OP_GGRNAM)
4197 grent = (struct group *)getgrnam(POPp);
4198 else if (which == OP_GGRGID)
4199 grent = (struct group *)getgrgid(POPi);
4201 grent = (struct group *)getgrent();
4204 if (GIMME != G_ARRAY) {
4205 PUSHs(sv = sv_newmortal());
4207 if (which == OP_GGRNAM)
4208 sv_setiv(sv, (IV)grent->gr_gid);
4210 sv_setpv(sv, grent->gr_name);
4216 PUSHs(sv = sv_mortalcopy(&sv_no));
4217 sv_setpv(sv, grent->gr_name);
4218 PUSHs(sv = sv_mortalcopy(&sv_no));
4219 sv_setpv(sv, grent->gr_passwd);
4220 PUSHs(sv = sv_mortalcopy(&sv_no));
4221 sv_setiv(sv, (IV)grent->gr_gid);
4222 PUSHs(sv = sv_mortalcopy(&sv_no));
4223 for (elem = grent->gr_mem; elem && *elem; elem++) {
4224 sv_catpv(sv, *elem);
4226 sv_catpvn(sv, " ", 1);
4232 DIE(no_func, "getgrent");
4243 DIE(no_func, "setgrent");
4254 DIE(no_func, "endgrent");
4264 if (!(tmps = getlogin()))
4266 PUSHp(tmps, strlen(tmps));
4269 DIE(no_func, "getlogin");
4273 /* Miscellaneous. */
4278 djSP; dMARK; dORIGMARK; dTARGET;
4279 register I32 items = SP - MARK;
4280 unsigned long a[20];
4286 while (++MARK <= SP) {
4287 if (SvTAINTED(*MARK)) {
4293 TAINT_PROPER("syscall");
4296 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4297 * or where sizeof(long) != sizeof(char*). But such machines will
4298 * not likely have syscall implemented either, so who cares?
4300 while (++MARK <= SP) {
4301 if (SvNIOK(*MARK) || !i)
4302 a[i++] = SvIV(*MARK);
4303 else if (*MARK == &sv_undef)
4306 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4312 DIE("Too many args to syscall");
4314 DIE("Too few args to syscall");
4316 retval = syscall(a[0]);
4319 retval = syscall(a[0],a[1]);
4322 retval = syscall(a[0],a[1],a[2]);
4325 retval = syscall(a[0],a[1],a[2],a[3]);
4328 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4331 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4334 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4337 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4341 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4344 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4347 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4351 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4355 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4359 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4360 a[10],a[11],a[12],a[13]);
4362 #endif /* atarist */
4368 DIE(no_func, "syscall");
4372 #ifdef FCNTL_EMULATE_FLOCK
4374 /* XXX Emulate flock() with fcntl().
4375 What's really needed is a good file locking module.
4379 fcntl_emulate_flock(int fd, int operation)
4383 switch (operation & ~LOCK_NB) {
4385 flock.l_type = F_RDLCK;
4388 flock.l_type = F_WRLCK;
4391 flock.l_type = F_UNLCK;
4397 flock.l_whence = SEEK_SET;
4398 flock.l_start = flock.l_len = 0L;
4400 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4403 #endif /* FCNTL_EMULATE_FLOCK */
4405 #ifdef LOCKF_EMULATE_FLOCK
4407 /* XXX Emulate flock() with lockf(). This is just to increase
4408 portability of scripts. The calls are not completely
4409 interchangeable. What's really needed is a good file
4413 /* The lockf() constants might have been defined in <unistd.h>.
4414 Unfortunately, <unistd.h> causes troubles on some mixed
4415 (BSD/POSIX) systems, such as SunOS 4.1.3.
4417 Further, the lockf() constants aren't POSIX, so they might not be
4418 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4419 just stick in the SVID values and be done with it. Sigh.
4423 # define F_ULOCK 0 /* Unlock a previously locked region */
4426 # define F_LOCK 1 /* Lock a region for exclusive use */
4429 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4432 # define F_TEST 3 /* Test a region for other processes locks */
4436 lockf_emulate_flock (fd, operation)
4444 /* flock locks entire file so for lockf we need to do the same */
4446 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4447 if (pos > 0) /* is seekable and needs to be repositioned */
4448 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4449 pos = -1; /* seek failed, so don't seek back afterwards */
4452 switch (operation) {
4454 /* LOCK_SH - get a shared lock */
4456 /* LOCK_EX - get an exclusive lock */
4458 i = lockf (fd, F_LOCK, 0);
4461 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4462 case LOCK_SH|LOCK_NB:
4463 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4464 case LOCK_EX|LOCK_NB:
4465 i = lockf (fd, F_TLOCK, 0);
4467 if ((errno == EAGAIN) || (errno == EACCES))
4468 errno = EWOULDBLOCK;
4471 /* LOCK_UN - unlock (non-blocking is a no-op) */
4473 case LOCK_UN|LOCK_NB:
4474 i = lockf (fd, F_ULOCK, 0);
4477 /* Default - can't decipher operation */
4484 if (pos > 0) /* need to restore position of the handle */
4485 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4490 #endif /* LOCKF_EMULATE_FLOCK */