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;
522 switch(SvTYPE(varsv)) {
524 methname = "TIEHASH";
527 methname = "TIEARRAY";
530 methname = "TIEHANDLE";
534 methname = "TIESCALAR";
539 if (sv_isobject(mark[1])) {
541 perl_call_method(methname, G_SCALAR);
544 /* Not clear why we don't call perl_call_method here too.
545 * perhaps to get different error message ?
547 stash = gv_stashsv(mark[1], FALSE);
548 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
549 DIE("Can't locate object method \"%s\" via package \"%s\"",
550 methname, SvPV(mark[1],na));
553 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
558 if (sv_isobject(sv)) {
559 sv_unmagic(varsv, how);
560 sv_magic(varsv, sv, how, Nullch, 0);
563 SP = stack_base + markoff;
577 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
578 mg = mg_find(sv, 'P') ;
580 mg = mg_find(sv, 'q') ;
582 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
583 warn("untie attempted while %lu inner references still exist",
584 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
588 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
603 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
604 mg = mg_find(sv, 'P') ;
606 mg = mg_find(sv, 'q') ;
609 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
627 sv = sv_mortalcopy(&sv_no);
628 sv_setpv(sv, "AnyDBM_File");
629 stash = gv_stashsv(sv, FALSE);
630 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
632 perl_require_pv("AnyDBM_File.pm");
634 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
635 DIE("No dbm on this machine");
645 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
647 PUSHs(sv_2mortal(newSViv(O_RDWR)));
650 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
653 if (!sv_isobject(TOPs)) {
658 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
661 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
665 if (sv_isobject(TOPs)) {
666 sv_unmagic((SV *) hv, 'P');
667 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
675 return pp_untie(ARGS);
689 struct timeval timebuf;
690 struct timeval *tbuf = &timebuf;
693 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
698 # if BYTEORDER & 0xf0000
699 # define ORDERBYTE (0x88888888 - BYTEORDER)
701 # define ORDERBYTE (0x4444 - BYTEORDER)
707 for (i = 1; i <= 3; i++) {
715 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
716 #if defined(__linux__) || defined(OS2)
717 growsize = sizeof(fd_set);
719 growsize = maxlen; /* little endians can use vecs directly */
728 masksize = NFDBITS / NBBY;
730 masksize = sizeof(long); /* documented int, everyone seems to use long */
732 growsize = maxlen + (masksize - (maxlen % masksize));
733 Zero(&fd_sets[0], 4, char*);
741 timebuf.tv_sec = (long)value;
742 value -= (double)timebuf.tv_sec;
743 timebuf.tv_usec = (long)(value * 1000000.0);
746 tbuf = Null(struct timeval*);
748 for (i = 1; i <= 3; i++) {
755 SvPV_force(sv,na); /* force string conversion */
758 Sv_Grow(sv, growsize);
762 while (++j <= growsize) {
766 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
768 New(403, fd_sets[i], growsize, char);
769 for (offset = 0; offset < growsize; offset += masksize) {
770 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
771 fd_sets[i][j+offset] = s[(k % masksize) + offset];
774 fd_sets[i] = SvPVX(sv);
778 nfound = PerlSock_select(
780 (Select_fd_set_t) fd_sets[1],
781 (Select_fd_set_t) fd_sets[2],
782 (Select_fd_set_t) fd_sets[3],
784 for (i = 1; i <= 3; i++) {
787 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
789 for (offset = 0; offset < growsize; offset += masksize) {
790 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
791 s[(k % masksize) + offset] = fd_sets[i][j+offset];
793 Safefree(fd_sets[i]);
800 if (GIMME == G_ARRAY && tbuf) {
801 value = (double)(timebuf.tv_sec) +
802 (double)(timebuf.tv_usec) / 1000000.0;
803 PUSHs(sv = sv_mortalcopy(&sv_no));
808 DIE("select not implemented");
817 (void)SvREFCNT_inc(gv);
819 SvREFCNT_dec(defoutgv);
829 newdefout = (op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
831 egv = GvEGV(defoutgv);
838 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
839 if (gvp && *gvp == egv) {
840 gv_efullname3(TARG, defoutgv, Nullch);
844 XPUSHs(sv_2mortal(newRV((SV*)egv)));
849 if (!GvIO(newdefout))
851 setdefout(newdefout);
870 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
876 perl_call_method("GETC", gimme);
879 if (gimme == G_SCALAR)
880 SvSetMagicSV_nosteal(TARG, TOPs);
883 if (!gv || do_eof(gv)) /* make sure we have fp with something */
887 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
894 return pp_sysread(ARGS);
898 doform(CV *cv, GV *gv, OP *retop)
901 register PERL_CONTEXT *cx;
903 AV* padlist = CvPADLIST(cv);
904 SV** svp = AvARRAY(padlist);
910 PUSHBLOCK(cx, CXt_SUB, stack_sp);
913 curpad = AvARRAY((AV*)svp[1]);
915 setdefout(gv); /* locally select filehandle so $% et al work */
947 SV *tmpsv = sv_newmortal();
948 gv_efullname3(tmpsv, fgv, Nullch);
949 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
951 DIE("Not a format reference");
954 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
956 IoFLAGS(io) &= ~IOf_DIDTOP;
957 return doform(cv,gv,op->op_next);
963 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
964 register IO *io = GvIOp(gv);
965 PerlIO *ofp = IoOFP(io);
969 register PERL_CONTEXT *cx;
971 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
972 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
973 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
974 formtarget != toptarget)
982 if (!IoTOP_NAME(io)) {
984 IoFMT_NAME(io) = savepv(GvNAME(gv));
985 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
986 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
987 if ((topgv && GvFORM(topgv)) ||
988 !gv_fetchpv("top",FALSE,SVt_PVFM))
989 IoTOP_NAME(io) = savepv(SvPVX(topname));
991 IoTOP_NAME(io) = savepv("top");
993 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
994 if (!topgv || !GvFORM(topgv)) {
995 IoLINES_LEFT(io) = 100000000;
998 IoTOP_GV(io) = topgv;
1000 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1001 I32 lines = IoLINES_LEFT(io);
1002 char *s = SvPVX(formtarget);
1003 if (lines <= 0) /* Yow, header didn't even fit!!! */
1005 while (lines-- > 0) {
1006 s = strchr(s, '\n');
1012 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1013 sv_chop(formtarget, s);
1014 FmLINES(formtarget) -= IoLINES_LEFT(io);
1017 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1018 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1019 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1021 formtarget = toptarget;
1022 IoFLAGS(io) |= IOf_DIDTOP;
1025 DIE("bad top format reference");
1028 SV *tmpsv = sv_newmortal();
1029 gv_efullname3(tmpsv, fgv, Nullch);
1030 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1033 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1034 return doform(cv,gv,op);
1046 warn("Filehandle only opened for input");
1048 warn("Write on closed filehandle");
1053 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1055 warn("page overflow");
1057 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1061 FmLINES(formtarget) = 0;
1062 SvCUR_set(formtarget, 0);
1063 *SvEND(formtarget) = '\0';
1064 if (IoFLAGS(io) & IOf_FLUSH)
1065 (void)PerlIO_flush(fp);
1069 formtarget = bodytarget;
1071 return pop_return();
1076 djSP; dMARK; dORIGMARK;
1083 if (op->op_flags & OPf_STACKED)
1088 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1089 if (MARK == ORIGMARK) {
1092 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1099 perl_call_method("PRINTF", G_SCALAR);
1102 MARK = ORIGMARK + 1;
1109 if (!(io = GvIO(gv))) {
1111 gv_fullname3(sv, gv, Nullch);
1112 warn("Filehandle %s never opened", SvPV(sv,na));
1114 SETERRNO(EBADF,RMS$_IFI);
1117 else if (!(fp = IoOFP(io))) {
1119 gv_fullname3(sv, gv, Nullch);
1121 warn("Filehandle %s opened only for input", SvPV(sv,na));
1123 warn("printf on closed filehandle %s", SvPV(sv,na));
1125 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1129 #ifdef USE_LOCALE_NUMERIC
1130 if (op->op_private & OPpLOCALE)
1131 SET_NUMERIC_LOCAL();
1133 SET_NUMERIC_STANDARD();
1135 do_sprintf(sv, SP - MARK, MARK + 1);
1136 if (!do_print(sv, fp))
1139 if (IoFLAGS(io) & IOf_FLUSH)
1140 if (PerlIO_flush(fp) == EOF)
1172 tmps = SvPV(sv, len);
1173 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1174 IoLINES(GvIOp(gv)) = 0;
1185 djSP; dMARK; dORIGMARK; dTARGET;
1191 Sock_size_t bufsize;
1197 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1198 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1205 perl_call_method("READ", G_SCALAR);
1218 sv_setpvn(bufsv, "", 0);
1219 buffer = SvPV_force(bufsv, blen);
1220 length = SvIVx(*++MARK);
1222 DIE("Negative length");
1225 offset = SvIVx(*++MARK);
1229 if (!io || !IoIFP(io))
1232 if (op->op_type == OP_RECV) {
1233 char namebuf[MAXPATHLEN];
1234 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1235 bufsize = sizeof (struct sockaddr_in);
1237 bufsize = sizeof namebuf;
1239 buffer = SvGROW(bufsv, length+1);
1240 /* 'offset' means 'flags' here */
1241 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1242 (struct sockaddr *)namebuf, &bufsize);
1245 SvCUR_set(bufsv, length);
1246 *SvEND(bufsv) = '\0';
1247 (void)SvPOK_only(bufsv);
1249 /* This should not be marked tainted if the fp is marked clean */
1250 if (!(IoFLAGS(io) & IOf_UNTAINT))
1251 SvTAINTED_on(bufsv);
1253 sv_setpvn(TARG, namebuf, bufsize);
1258 if (op->op_type == OP_RECV)
1259 DIE(no_sock_func, "recv");
1263 DIE("Offset outside string");
1266 bufsize = SvCUR(bufsv);
1267 buffer = SvGROW(bufsv, length+offset+1);
1268 if (offset > bufsize) { /* Zero any newly allocated space */
1269 Zero(buffer+bufsize, offset-bufsize, char);
1271 if (op->op_type == OP_SYSREAD) {
1272 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1275 #ifdef HAS_SOCKET__bad_code_maybe
1276 if (IoTYPE(io) == 's') {
1277 char namebuf[MAXPATHLEN];
1278 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1279 bufsize = sizeof (struct sockaddr_in);
1281 bufsize = sizeof namebuf;
1283 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1284 (struct sockaddr *)namebuf, &bufsize);
1288 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1291 SvCUR_set(bufsv, length+offset);
1292 *SvEND(bufsv) = '\0';
1293 (void)SvPOK_only(bufsv);
1295 /* This should not be marked tainted if the fp is marked clean */
1296 if (!(IoFLAGS(io) & IOf_UNTAINT))
1297 SvTAINTED_on(bufsv);
1309 return pp_send(ARGS);
1314 djSP; dMARK; dORIGMARK; dTARGET;
1327 buffer = SvPV(bufsv, blen);
1328 length = SvIVx(*++MARK);
1330 DIE("Negative length");
1333 if (!io || !IoIFP(io)) {
1336 if (op->op_type == OP_SYSWRITE)
1337 warn("Syswrite on closed filehandle");
1339 warn("Send on closed socket");
1342 else if (op->op_type == OP_SYSWRITE) {
1344 offset = SvIVx(*++MARK);
1347 DIE("Offset outside string");
1349 } else if (offset >= blen && blen > 0)
1350 DIE("Offset outside string");
1353 if (length > blen - offset)
1354 length = blen - offset;
1355 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1358 else if (SP > MARK) {
1361 sockbuf = SvPVx(*++MARK, mlen);
1362 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1363 (struct sockaddr *)sockbuf, mlen);
1366 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1370 DIE(no_sock_func, "send");
1385 return pp_sysread(ARGS);
1396 gv = last_in_gv = (GV*)POPs;
1397 PUSHs(boolSV(!gv || do_eof(gv)));
1409 gv = last_in_gv = (GV*)POPs;
1410 PUSHi( do_tell(gv) );
1416 return pp_sysseek(ARGS);
1426 gv = last_in_gv = (GV*)POPs;
1427 if (op->op_type == OP_SEEK)
1428 PUSHs(boolSV(do_seek(gv, offset, whence)));
1430 long n = do_sysseek(gv, offset, whence);
1431 PUSHs((n < 0) ? &sv_undef
1432 : sv_2mortal(n ? newSViv((IV)n)
1433 : newSVpv(zero_but_true, ZBTLEN)));
1441 Off_t len = (Off_t)POPn;
1446 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1447 if (op->op_flags & OPf_SPECIAL) {
1448 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1450 TAINT_PROPER("truncate");
1451 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1453 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1455 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1463 if (SvTYPE(sv) == SVt_PVGV) {
1464 tmpgv = (GV*)sv; /* *main::FRED for example */
1467 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1468 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1472 name = SvPV(sv, na);
1473 TAINT_PROPER("truncate");
1475 if (truncate(name, len) < 0)
1480 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1483 if (my_chsize(tmpfd, len) < 0)
1485 PerlLIO_close(tmpfd);
1494 SETERRNO(EBADF,RMS$_IFI);
1497 DIE("truncate not implemented");
1503 return pp_ioctl(ARGS);
1510 unsigned int func = U_I(POPn);
1511 int optype = op->op_type;
1517 if (!io || !argsv || !IoIFP(io)) {
1518 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1522 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1525 s = SvPV_force(argsv, len);
1526 need = IOCPARM_LEN(func);
1528 s = Sv_Grow(argsv, need + 1);
1529 SvCUR_set(argsv, need);
1532 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1535 retval = SvIV(argsv);
1536 s = (char*)retval; /* ouch */
1539 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1541 if (optype == OP_IOCTL)
1543 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1545 DIE("ioctl is not implemented");
1549 #if defined(OS2) && defined(__EMX__)
1550 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1552 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1555 DIE("fcntl is not implemented");
1559 if (s[SvCUR(argsv)] != 17)
1560 DIE("Possible memory corruption: %s overflowed 3rd argument",
1562 s[SvCUR(argsv)] = 0; /* put our null back */
1563 SvSETMAGIC(argsv); /* Assume it has changed */
1572 PUSHp(zero_but_true, ZBTLEN);
1592 fp = IoIFP(GvIOp(gv));
1596 (void)PerlIO_flush(fp);
1597 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1604 DIE(no_func, "flock()");
1616 int protocol = POPi;
1624 SETERRNO(EBADF,LIB$_INVARG);
1630 do_close(gv, FALSE);
1632 TAINT_PROPER("socket");
1633 fd = PerlSock_socket(domain, type, protocol);
1636 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1637 IoOFP(io) = PerlIO_fdopen(fd, "w");
1639 if (!IoIFP(io) || !IoOFP(io)) {
1640 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1641 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1642 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1648 DIE(no_sock_func, "socket");
1655 #ifdef HAS_SOCKETPAIR
1660 int protocol = POPi;
1673 do_close(gv1, FALSE);
1675 do_close(gv2, FALSE);
1677 TAINT_PROPER("socketpair");
1678 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1680 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1681 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1683 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1684 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1686 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1687 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1688 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1689 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1690 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1691 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1692 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1698 DIE(no_sock_func, "socketpair");
1709 register IO *io = GvIOn(gv);
1712 if (!io || !IoIFP(io))
1715 addr = SvPV(addrsv, len);
1716 TAINT_PROPER("bind");
1717 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1724 warn("bind() on closed fd");
1725 SETERRNO(EBADF,SS$_IVCHAN);
1728 DIE(no_sock_func, "bind");
1739 register IO *io = GvIOn(gv);
1742 if (!io || !IoIFP(io))
1745 addr = SvPV(addrsv, len);
1746 TAINT_PROPER("connect");
1747 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1754 warn("connect() on closed fd");
1755 SETERRNO(EBADF,SS$_IVCHAN);
1758 DIE(no_sock_func, "connect");
1768 register IO *io = GvIOn(gv);
1770 if (!io || !IoIFP(io))
1773 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1780 warn("listen() on closed fd");
1781 SETERRNO(EBADF,SS$_IVCHAN);
1784 DIE(no_sock_func, "listen");
1796 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1797 Sock_size_t len = sizeof saddr;
1809 if (!gstio || !IoIFP(gstio))
1814 do_close(ngv, FALSE);
1816 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1819 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1820 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1821 IoTYPE(nstio) = 's';
1822 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1823 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1824 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1825 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
1829 PUSHp((char *)&saddr, len);
1834 warn("accept() on closed fd");
1835 SETERRNO(EBADF,SS$_IVCHAN);
1841 DIE(no_sock_func, "accept");
1851 register IO *io = GvIOn(gv);
1853 if (!io || !IoIFP(io))
1856 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1861 warn("shutdown() on closed fd");
1862 SETERRNO(EBADF,SS$_IVCHAN);
1865 DIE(no_sock_func, "shutdown");
1872 return pp_ssockopt(ARGS);
1874 DIE(no_sock_func, "getsockopt");
1882 int optype = op->op_type;
1885 unsigned int optname;
1891 if (optype == OP_GSOCKOPT)
1892 sv = sv_2mortal(NEWSV(22, 257));
1895 optname = (unsigned int) POPi;
1896 lvl = (unsigned int) POPi;
1900 if (!io || !IoIFP(io))
1903 fd = PerlIO_fileno(IoIFP(io));
1907 (void)SvPOK_only(sv);
1911 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1924 else if (SvOK(sv)) {
1925 aint = (int)SvIV(sv);
1929 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
1939 warn("[gs]etsockopt() on closed fd");
1940 SETERRNO(EBADF,SS$_IVCHAN);
1945 DIE(no_sock_func, "setsockopt");
1952 return pp_getpeername(ARGS);
1954 DIE(no_sock_func, "getsockname");
1962 int optype = op->op_type;
1966 register IO *io = GvIOn(gv);
1969 if (!io || !IoIFP(io))
1972 sv = sv_2mortal(NEWSV(22, 257));
1973 (void)SvPOK_only(sv);
1977 fd = PerlIO_fileno(IoIFP(io));
1979 case OP_GETSOCKNAME:
1980 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
1983 case OP_GETPEERNAME:
1984 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
1986 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
1988 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
1989 /* If the call succeeded, make sure we don't have a zeroed port/addr */
1990 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
1991 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
1992 sizeof(u_short) + sizeof(struct in_addr))) {
1999 #ifdef BOGUS_GETNAME_RETURN
2000 /* Interactive Unix, getpeername() and getsockname()
2001 does not return valid namelen */
2002 if (len == BOGUS_GETNAME_RETURN)
2003 len = sizeof(struct sockaddr);
2012 warn("get{sock, peer}name() on closed fd");
2013 SETERRNO(EBADF,SS$_IVCHAN);
2018 DIE(no_sock_func, "getpeername");
2026 return pp_stat(ARGS);
2036 if (op->op_flags & OPf_REF) {
2037 tmpgv = cGVOP->op_gv;
2039 if (tmpgv != defgv) {
2040 laststype = OP_STAT;
2042 sv_setpv(statname, "");
2043 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2044 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2046 if (laststatval < 0)
2051 if (SvTYPE(sv) == SVt_PVGV) {
2055 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2056 tmpgv = (GV*)SvRV(sv);
2059 sv_setpv(statname, SvPV(sv,na));
2062 laststype = op->op_type;
2063 if (op->op_type == OP_LSTAT)
2064 laststatval = PerlLIO_lstat(SvPV(statname, na), &statcache);
2067 laststatval = PerlLIO_stat(SvPV(statname, na), &statcache);
2068 if (laststatval < 0) {
2069 if (dowarn && strchr(SvPV(statname, na), '\n'))
2070 warn(warn_nl, "stat");
2076 if (gimme != G_ARRAY) {
2077 if (gimme != G_VOID)
2078 XPUSHs(boolSV(max));
2084 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2085 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2086 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2087 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2088 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2089 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2090 #ifdef USE_STAT_RDEV
2091 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2093 PUSHs(sv_2mortal(newSVpv("", 0)));
2095 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2097 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2098 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2099 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2101 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2102 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2103 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2105 #ifdef USE_STAT_BLOCKS
2106 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2107 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2109 PUSHs(sv_2mortal(newSVpv("", 0)));
2110 PUSHs(sv_2mortal(newSVpv("", 0)));
2118 I32 result = my_stat(ARGS);
2122 if (cando(S_IRUSR, 0, &statcache))
2129 I32 result = my_stat(ARGS);
2133 if (cando(S_IWUSR, 0, &statcache))
2140 I32 result = my_stat(ARGS);
2144 if (cando(S_IXUSR, 0, &statcache))
2151 I32 result = my_stat(ARGS);
2155 if (cando(S_IRUSR, 1, &statcache))
2162 I32 result = my_stat(ARGS);
2166 if (cando(S_IWUSR, 1, &statcache))
2173 I32 result = my_stat(ARGS);
2177 if (cando(S_IXUSR, 1, &statcache))
2184 I32 result = my_stat(ARGS);
2193 return pp_ftrowned(ARGS);
2198 I32 result = my_stat(ARGS);
2202 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2209 I32 result = my_stat(ARGS);
2213 if (!statcache.st_size)
2220 I32 result = my_stat(ARGS);
2224 PUSHi(statcache.st_size);
2230 I32 result = my_stat(ARGS);
2234 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2240 I32 result = my_stat(ARGS);
2244 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2250 I32 result = my_stat(ARGS);
2254 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2260 I32 result = my_stat(ARGS);
2264 if (S_ISSOCK(statcache.st_mode))
2271 I32 result = my_stat(ARGS);
2275 if (S_ISCHR(statcache.st_mode))
2282 I32 result = my_stat(ARGS);
2286 if (S_ISBLK(statcache.st_mode))
2293 I32 result = my_stat(ARGS);
2297 if (S_ISREG(statcache.st_mode))
2304 I32 result = my_stat(ARGS);
2308 if (S_ISDIR(statcache.st_mode))
2315 I32 result = my_stat(ARGS);
2319 if (S_ISFIFO(statcache.st_mode))
2326 I32 result = my_lstat(ARGS);
2330 if (S_ISLNK(statcache.st_mode))
2339 I32 result = my_stat(ARGS);
2343 if (statcache.st_mode & S_ISUID)
2353 I32 result = my_stat(ARGS);
2357 if (statcache.st_mode & S_ISGID)
2367 I32 result = my_stat(ARGS);
2371 if (statcache.st_mode & S_ISVTX)
2382 char *tmps = Nullch;
2384 if (op->op_flags & OPf_REF)
2386 else if (isGV(TOPs))
2388 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2389 gv = (GV*)SvRV(POPs);
2391 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2393 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2394 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2395 else if (tmps && isDIGIT(*tmps))
2399 if (PerlLIO_isatty(fd))
2404 #if defined(atarist) /* this will work with atariST. Configure will
2405 make guesses for other systems. */
2406 # define FILE_base(f) ((f)->_base)
2407 # define FILE_ptr(f) ((f)->_ptr)
2408 # define FILE_cnt(f) ((f)->_cnt)
2409 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2419 register STDCHAR *s;
2424 if (op->op_flags & OPf_REF)
2426 else if (isGV(TOPs))
2428 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2429 gv = (GV*)SvRV(POPs);
2440 goto really_filename;
2446 sv_setpv(statname, "");
2449 if (io && IoIFP(io)) {
2450 if (! PerlIO_has_base(IoIFP(io)))
2451 DIE("-T and -B not implemented on filehandles");
2452 laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2453 if (laststatval < 0)
2455 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2456 if (op->op_type == OP_FTTEXT)
2460 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2461 i = PerlIO_getc(IoIFP(io));
2463 (void)PerlIO_ungetc(IoIFP(io),i);
2465 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2467 len = PerlIO_get_bufsiz(IoIFP(io));
2468 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2469 /* sfio can have large buffers - limit to 512 */
2475 warn("Test on unopened file <%s>",
2476 GvENAME(cGVOP->op_gv));
2477 SETERRNO(EBADF,RMS$_IFI);
2486 sv_setpv(statname, SvPV(sv, na));
2488 i = PerlLIO_open3(SvPV(sv, na), O_RDONLY, 0);
2490 i = PerlLIO_open(SvPV(sv, na), 0);
2493 if (dowarn && strchr(SvPV(sv, na), '\n'))
2494 warn(warn_nl, "open");
2497 laststatval = PerlLIO_fstat(i, &statcache);
2498 if (laststatval < 0)
2500 len = PerlLIO_read(i, tbuf, 512);
2501 (void)PerlLIO_close(i);
2503 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2504 RETPUSHNO; /* special case NFS directories */
2505 RETPUSHYES; /* null file is anything */
2510 /* now scan s to look for textiness */
2511 /* XXX ASCII dependent code */
2513 for (i = 0; i < len; i++, s++) {
2514 if (!*s) { /* null never allowed in text */
2521 *s != '\n' && *s != '\r' && *s != '\b' &&
2522 *s != '\t' && *s != '\f' && *s != 27)
2526 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2534 return pp_fttext(ARGS);
2549 if (!tmps || !*tmps) {
2550 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2552 tmps = SvPV(*svp, na);
2554 if (!tmps || !*tmps) {
2555 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2557 tmps = SvPV(*svp, na);
2559 TAINT_PROPER("chdir");
2560 PUSHi( PerlDir_chdir(tmps) >= 0 );
2562 /* Clear the DEFAULT element of ENV so we'll get the new value
2564 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2571 djSP; dMARK; dTARGET;
2574 value = (I32)apply(op->op_type, MARK, SP);
2579 DIE(no_func, "Unsupported function chown");
2589 TAINT_PROPER("chroot");
2590 PUSHi( chroot(tmps) >= 0 );
2593 DIE(no_func, "chroot");
2599 djSP; dMARK; dTARGET;
2601 value = (I32)apply(op->op_type, MARK, SP);
2609 djSP; dMARK; dTARGET;
2611 value = (I32)apply(op->op_type, MARK, SP);
2619 djSP; dMARK; dTARGET;
2621 value = (I32)apply(op->op_type, MARK, SP);
2633 char *tmps = SvPV(TOPs, na);
2634 TAINT_PROPER("rename");
2636 anum = rename(tmps, tmps2);
2638 if (!(anum = Stat(tmps, &statbuf))) {
2639 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2642 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2643 (void)UNLINK(tmps2);
2644 if (!(anum = link(tmps, tmps2)))
2645 anum = UNLINK(tmps);
2658 char *tmps = SvPV(TOPs, na);
2659 TAINT_PROPER("link");
2660 SETi( link(tmps, tmps2) >= 0 );
2662 DIE(no_func, "Unsupported function link");
2672 char *tmps = SvPV(TOPs, na);
2673 TAINT_PROPER("symlink");
2674 SETi( symlink(tmps, tmps2) >= 0 );
2677 DIE(no_func, "symlink");
2686 char buf[MAXPATHLEN];
2689 #ifndef INCOMPLETE_TAINTS
2693 len = readlink(tmps, buf, sizeof buf);
2701 RETSETUNDEF; /* just pretend it's a normal file */
2705 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2707 dooneliner(cmd, filename)
2711 char *save_filename = filename;
2717 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2718 strcpy(cmdline, cmd);
2719 strcat(cmdline, " ");
2720 for (s = cmdline + strlen(cmdline); *filename; ) {
2725 myfp = PerlProc_popen(cmdline, "r");
2729 SV *tmpsv = sv_newmortal();
2730 /* Need to save/restore 'rs' ?? */
2731 s = sv_gets(tmpsv, myfp, 0);
2732 (void)PerlProc_pclose(myfp);
2736 #ifdef HAS_SYS_ERRLIST
2741 /* you don't see this */
2743 #ifdef HAS_SYS_ERRLIST
2751 if (instr(s, errmsg)) {
2758 #define EACCES EPERM
2760 if (instr(s, "cannot make"))
2761 SETERRNO(EEXIST,RMS$_FEX);
2762 else if (instr(s, "existing file"))
2763 SETERRNO(EEXIST,RMS$_FEX);
2764 else if (instr(s, "ile exists"))
2765 SETERRNO(EEXIST,RMS$_FEX);
2766 else if (instr(s, "non-exist"))
2767 SETERRNO(ENOENT,RMS$_FNF);
2768 else if (instr(s, "does not exist"))
2769 SETERRNO(ENOENT,RMS$_FNF);
2770 else if (instr(s, "not empty"))
2771 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2772 else if (instr(s, "cannot access"))
2773 SETERRNO(EACCES,RMS$_PRV);
2775 SETERRNO(EPERM,RMS$_PRV);
2778 else { /* some mkdirs return no failure indication */
2779 anum = (Stat(save_filename, &statbuf) >= 0);
2780 if (op->op_type == OP_RMDIR)
2785 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2801 char *tmps = SvPV(TOPs, na);
2803 TAINT_PROPER("mkdir");
2805 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
2807 SETi( dooneliner("mkdir", tmps) );
2808 oldumask = PerlLIO_umask(0);
2809 PerlLIO_umask(oldumask);
2810 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
2821 TAINT_PROPER("rmdir");
2823 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
2825 XPUSHi( dooneliner("rmdir", tmps) );
2830 /* Directory calls. */
2835 #if defined(Direntry_t) && defined(HAS_READDIR)
2836 char *dirname = POPp;
2838 register IO *io = GvIOn(gv);
2844 PerlDir_close(IoDIRP(io));
2845 if (!(IoDIRP(io) = PerlDir_open(dirname)))
2851 SETERRNO(EBADF,RMS$_DIR);
2854 DIE(no_dir_func, "opendir");
2861 #if defined(Direntry_t) && defined(HAS_READDIR)
2863 Direntry_t *readdir _((DIR *));
2865 register Direntry_t *dp;
2867 register IO *io = GvIOn(gv);
2870 if (!io || !IoDIRP(io))
2873 if (GIMME == G_ARRAY) {
2875 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
2877 sv = newSVpv(dp->d_name, dp->d_namlen);
2879 sv = newSVpv(dp->d_name, 0);
2881 #ifndef INCOMPLETE_TAINTS
2884 XPUSHs(sv_2mortal(sv));
2888 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
2891 sv = newSVpv(dp->d_name, dp->d_namlen);
2893 sv = newSVpv(dp->d_name, 0);
2895 #ifndef INCOMPLETE_TAINTS
2898 XPUSHs(sv_2mortal(sv));
2904 SETERRNO(EBADF,RMS$_ISI);
2905 if (GIMME == G_ARRAY)
2910 DIE(no_dir_func, "readdir");
2917 #if defined(HAS_TELLDIR) || defined(telldir)
2918 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE) && !defined(DONT_DECLARE_STD)
2919 long telldir _((DIR *));
2922 register IO *io = GvIOn(gv);
2924 if (!io || !IoDIRP(io))
2927 PUSHi( PerlDir_tell(IoDIRP(io)) );
2931 SETERRNO(EBADF,RMS$_ISI);
2934 DIE(no_dir_func, "telldir");
2941 #if defined(HAS_SEEKDIR) || defined(seekdir)
2944 register IO *io = GvIOn(gv);
2946 if (!io || !IoDIRP(io))
2949 (void)PerlDir_seek(IoDIRP(io), along);
2954 SETERRNO(EBADF,RMS$_ISI);
2957 DIE(no_dir_func, "seekdir");
2964 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2966 register IO *io = GvIOn(gv);
2968 if (!io || !IoDIRP(io))
2971 (void)PerlDir_rewind(IoDIRP(io));
2975 SETERRNO(EBADF,RMS$_ISI);
2978 DIE(no_dir_func, "rewinddir");
2985 #if defined(Direntry_t) && defined(HAS_READDIR)
2987 register IO *io = GvIOn(gv);
2989 if (!io || !IoDIRP(io))
2992 #ifdef VOID_CLOSEDIR
2993 PerlDir_close(IoDIRP(io));
2995 if (PerlDir_close(IoDIRP(io)) < 0) {
2996 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3005 SETERRNO(EBADF,RMS$_IFI);
3008 DIE(no_dir_func, "closedir");
3012 /* Process control. */
3027 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3028 sv_setiv(GvSV(tmpgv), (IV)getpid());
3029 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3034 DIE(no_func, "Unsupported function fork");
3040 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3045 childpid = wait4pid(-1, &argflags, 0);
3046 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3050 DIE(no_func, "Unsupported function wait");
3056 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3064 childpid = wait4pid(childpid, &argflags, optype);
3065 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3069 DIE(no_func, "Unsupported function waitpid");
3075 djSP; dMARK; dORIGMARK; dTARGET;
3080 Sigsave_t ihand,qhand; /* place to save signals during system() */
3082 if (SP - MARK == 1) {
3084 char *junk = SvPV(TOPs, na);
3086 TAINT_PROPER("system");
3089 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3090 while ((childpid = vfork()) == -1) {
3091 if (errno != EAGAIN) {
3100 rsignal_save(SIGINT, SIG_IGN, &ihand);
3101 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3103 result = wait4pid(childpid, &status, 0);
3104 } while (result == -1 && errno == EINTR);
3105 (void)rsignal_restore(SIGINT, &ihand);
3106 (void)rsignal_restore(SIGQUIT, &qhand);
3107 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3108 do_execfree(); /* free any memory child malloced on vfork */
3110 PUSHi(STATUS_CURRENT);
3113 if (op->op_flags & OPf_STACKED) {
3114 SV *really = *++MARK;
3115 value = (I32)do_aexec(really, MARK, SP);
3117 else if (SP - MARK != 1)
3118 value = (I32)do_aexec(Nullsv, MARK, SP);
3120 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3123 #else /* ! FORK or VMS or OS/2 */
3124 if (op->op_flags & OPf_STACKED) {
3125 SV *really = *++MARK;
3126 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3128 else if (SP - MARK != 1)
3129 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3131 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3133 STATUS_NATIVE_SET(value);
3136 PUSHi(STATUS_CURRENT);
3137 #endif /* !FORK or VMS */
3143 djSP; dMARK; dORIGMARK; dTARGET;
3146 if (op->op_flags & OPf_STACKED) {
3147 SV *really = *++MARK;
3148 value = (I32)do_aexec(really, MARK, SP);
3150 else if (SP - MARK != 1)
3152 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3154 value = (I32)do_aexec(Nullsv, MARK, SP);
3158 char *junk = SvPV(*SP, na);
3160 TAINT_PROPER("exec");
3163 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3165 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3175 djSP; dMARK; dTARGET;
3178 value = (I32)apply(op->op_type, MARK, SP);
3183 DIE(no_func, "Unsupported function kill");
3191 XPUSHi( getppid() );
3194 DIE(no_func, "getppid");
3210 value = (I32)BSD_GETPGRP(pid);
3212 if (pid != 0 && pid != getpid())
3213 DIE("POSIX getpgrp can't take an argument");
3214 value = (I32)getpgrp();
3219 DIE(no_func, "getpgrp()");
3238 TAINT_PROPER("setpgrp");
3240 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3242 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3243 DIE("POSIX setpgrp can't take an argument");
3244 SETi( setpgrp() >= 0 );
3245 #endif /* USE_BSDPGRP */
3248 DIE(no_func, "setpgrp()");
3257 #ifdef HAS_GETPRIORITY
3260 SETi( getpriority(which, who) );
3263 DIE(no_func, "getpriority()");
3273 #ifdef HAS_SETPRIORITY
3277 TAINT_PROPER("setpriority");
3278 SETi( setpriority(which, who, niceval) >= 0 );
3281 DIE(no_func, "setpriority()");
3291 XPUSHn( time(Null(Time_t*)) );
3293 XPUSHi( time(Null(Time_t*)) );
3298 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3299 to HZ. Probably. For now, assume that if the system
3300 defines HZ, it does so correctly. (Will this break
3302 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3303 it's supported. --AD 9/96.
3319 DIE("times not implemented");
3324 (void)PerlProc_times(×buf);
3326 (void)PerlProc_times((tbuffer_t *)×buf); /* time.h uses different name for */
3327 /* struct tms, though same data */
3331 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3332 if (GIMME == G_ARRAY) {
3333 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3334 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3335 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3338 #endif /* HAS_TIMES */
3343 return pp_gmtime(ARGS);
3351 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3352 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3353 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3359 when = (Time_t)SvNVx(POPs);
3361 when = (Time_t)SvIVx(POPs);
3364 if (op->op_type == OP_LOCALTIME)
3365 tmbuf = localtime(&when);
3367 tmbuf = gmtime(&when);
3371 if (GIMME != G_ARRAY) {
3376 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3377 dayname[tmbuf->tm_wday],
3378 monname[tmbuf->tm_mon],
3383 tmbuf->tm_year + 1900);
3384 PUSHs(sv_2mortal(tsv));
3387 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3388 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3389 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3390 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3391 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3392 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3393 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3394 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3395 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3406 anum = alarm((unsigned int)anum);
3413 DIE(no_func, "Unsupported function alarm");
3424 (void)time(&lasttime);
3429 PerlProc_sleep((unsigned int)duration);
3432 XPUSHi(when - lasttime);
3436 /* Shared memory. */
3440 return pp_semget(ARGS);
3445 return pp_semctl(ARGS);
3450 return pp_shmwrite(ARGS);
3455 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3456 djSP; dMARK; dTARGET;
3457 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3462 return pp_semget(ARGS);
3466 /* Message passing. */
3470 return pp_semget(ARGS);
3475 return pp_semctl(ARGS);
3480 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3481 djSP; dMARK; dTARGET;
3482 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3487 return pp_semget(ARGS);
3493 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3494 djSP; dMARK; dTARGET;
3495 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3500 return pp_semget(ARGS);
3508 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3509 djSP; dMARK; dTARGET;
3510 int anum = do_ipcget(op->op_type, MARK, SP);
3517 DIE("System V IPC is not implemented on this machine");
3523 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3524 djSP; dMARK; dTARGET;
3525 int anum = do_ipcctl(op->op_type, MARK, SP);
3533 PUSHp(zero_but_true, ZBTLEN);
3537 return pp_semget(ARGS);
3543 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3544 djSP; dMARK; dTARGET;
3545 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3550 return pp_semget(ARGS);
3554 /* Get system info. */
3559 return pp_ghostent(ARGS);
3561 DIE(no_sock_func, "gethostbyname");
3568 return pp_ghostent(ARGS);
3570 DIE(no_sock_func, "gethostbyaddr");
3578 I32 which = op->op_type;
3579 register char **elem;
3581 #if defined(HAS_GETHOSTENT) && !defined(DONT_DECLARE_STD)
3582 struct hostent *PerlSock_gethostbyname(const char *);
3583 struct hostent *PerlSock_gethostbyaddr(const Gethbadd_addr_t, Gethbadd_alen_t, int);
3584 #ifndef PerlSock_gethostent
3585 struct hostent *PerlSock_gethostent(void);
3588 struct hostent *hent;
3592 if (which == OP_GHBYNAME) {
3593 hent = PerlSock_gethostbyname(POPp);
3595 else if (which == OP_GHBYADDR) {
3596 int addrtype = POPi;
3599 Gethbadd_addr_t addr = (Gethbadd_addr_t) SvPV(addrsv, addrlen);
3601 hent = PerlSock_gethostbyaddr(addr, (Gethbadd_alen_t) addrlen, addrtype);
3604 #ifdef HAS_GETHOSTENT
3605 hent = PerlSock_gethostent();
3607 DIE("gethostent not implemented");
3610 #ifdef HOST_NOT_FOUND
3612 STATUS_NATIVE_SET(h_errno);
3615 if (GIMME != G_ARRAY) {
3616 PUSHs(sv = sv_newmortal());
3618 if (which == OP_GHBYNAME) {
3620 sv_setpvn(sv, hent->h_addr, hent->h_length);
3623 sv_setpv(sv, (char*)hent->h_name);
3629 PUSHs(sv = sv_mortalcopy(&sv_no));
3630 sv_setpv(sv, (char*)hent->h_name);
3631 PUSHs(sv = sv_mortalcopy(&sv_no));
3632 for (elem = hent->h_aliases; elem && *elem; elem++) {
3633 sv_catpv(sv, *elem);
3635 sv_catpvn(sv, " ", 1);
3637 PUSHs(sv = sv_mortalcopy(&sv_no));
3638 sv_setiv(sv, (IV)hent->h_addrtype);
3639 PUSHs(sv = sv_mortalcopy(&sv_no));
3640 len = hent->h_length;
3641 sv_setiv(sv, (IV)len);
3643 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3644 XPUSHs(sv = sv_mortalcopy(&sv_no));
3645 sv_setpvn(sv, *elem, len);
3648 PUSHs(sv = sv_mortalcopy(&sv_no));
3650 sv_setpvn(sv, hent->h_addr, len);
3655 DIE(no_sock_func, "gethostent");
3662 return pp_gnetent(ARGS);
3664 DIE(no_sock_func, "getnetbyname");
3671 return pp_gnetent(ARGS);
3673 DIE(no_sock_func, "getnetbyaddr");
3681 I32 which = op->op_type;
3682 register char **elem;
3684 #ifdef NETDB_H_OMITS_GETNET
3685 struct netent *getnetbyname(const char *);
3687 * long is wrong for getnetbyadddr (e.g. on Alpha). POSIX.1g says
3688 * in_addr_t but then such systems don't have broken netdb.h anyway.
3690 struct netent *getnetbyaddr(Getnbadd_net_t, int);
3691 struct netent *getnetent(void);
3693 struct netent *nent;
3695 if (which == OP_GNBYNAME)
3696 nent = PerlSock_getnetbyname(POPp);
3697 else if (which == OP_GNBYADDR) {
3698 int addrtype = POPi;
3699 Getnbadd_net_t addr = (Getnbadd_net_t) U_L(POPn);
3700 nent = PerlSock_getnetbyaddr(addr, addrtype);
3703 nent = PerlSock_getnetent();
3706 if (GIMME != G_ARRAY) {
3707 PUSHs(sv = sv_newmortal());
3709 if (which == OP_GNBYNAME)
3710 sv_setiv(sv, (IV)nent->n_net);
3712 sv_setpv(sv, nent->n_name);
3718 PUSHs(sv = sv_mortalcopy(&sv_no));
3719 sv_setpv(sv, nent->n_name);
3720 PUSHs(sv = sv_mortalcopy(&sv_no));
3721 for (elem = nent->n_aliases; elem && *elem; elem++) {
3722 sv_catpv(sv, *elem);
3724 sv_catpvn(sv, " ", 1);
3726 PUSHs(sv = sv_mortalcopy(&sv_no));
3727 sv_setiv(sv, (IV)nent->n_addrtype);
3728 PUSHs(sv = sv_mortalcopy(&sv_no));
3729 sv_setiv(sv, (IV)nent->n_net);
3734 DIE(no_sock_func, "getnetent");
3741 return pp_gprotoent(ARGS);
3743 DIE(no_sock_func, "getprotobyname");
3750 return pp_gprotoent(ARGS);
3752 DIE(no_sock_func, "getprotobynumber");
3760 I32 which = op->op_type;
3761 register char **elem;
3763 #ifndef DONT_DECLARE_STD
3764 struct protoent *PerlSock_getprotobyname(const char *);
3765 struct protoent *PerlSock_getprotobynumber(int);
3766 #ifndef PerlSock_getprotoent
3767 struct protoent *PerlSock_getprotoent(void);
3770 struct protoent *pent;
3772 if (which == OP_GPBYNAME)
3773 pent = PerlSock_getprotobyname(POPp);
3774 else if (which == OP_GPBYNUMBER)
3775 pent = PerlSock_getprotobynumber(POPi);
3777 pent = PerlSock_getprotoent();
3780 if (GIMME != G_ARRAY) {
3781 PUSHs(sv = sv_newmortal());
3783 if (which == OP_GPBYNAME)
3784 sv_setiv(sv, (IV)pent->p_proto);
3786 sv_setpv(sv, pent->p_name);
3792 PUSHs(sv = sv_mortalcopy(&sv_no));
3793 sv_setpv(sv, pent->p_name);
3794 PUSHs(sv = sv_mortalcopy(&sv_no));
3795 for (elem = pent->p_aliases; elem && *elem; elem++) {
3796 sv_catpv(sv, *elem);
3798 sv_catpvn(sv, " ", 1);
3800 PUSHs(sv = sv_mortalcopy(&sv_no));
3801 sv_setiv(sv, (IV)pent->p_proto);
3806 DIE(no_sock_func, "getprotoent");
3813 return pp_gservent(ARGS);
3815 DIE(no_sock_func, "getservbyname");
3822 return pp_gservent(ARGS);
3824 DIE(no_sock_func, "getservbyport");
3832 I32 which = op->op_type;
3833 register char **elem;
3835 #ifndef DONT_DECLARE_STD
3836 struct servent *PerlSock_getservbyname(const char *, const char *);
3837 struct servent *PerlSock_getservbynumber();
3838 #ifndef PerlSock_getservent
3839 struct servent *PerlSock_getservent(void);
3842 struct servent *sent;
3844 if (which == OP_GSBYNAME) {
3848 if (proto && !*proto)
3851 sent = PerlSock_getservbyname(name, proto);
3853 else if (which == OP_GSBYPORT) {
3855 unsigned short port = POPu;
3858 port = PerlSock_htons(port);
3860 sent = PerlSock_getservbyport(port, proto);
3863 sent = PerlSock_getservent();
3866 if (GIMME != G_ARRAY) {
3867 PUSHs(sv = sv_newmortal());
3869 if (which == OP_GSBYNAME) {
3871 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
3873 sv_setiv(sv, (IV)(sent->s_port));
3877 sv_setpv(sv, sent->s_name);
3883 PUSHs(sv = sv_mortalcopy(&sv_no));
3884 sv_setpv(sv, sent->s_name);
3885 PUSHs(sv = sv_mortalcopy(&sv_no));
3886 for (elem = sent->s_aliases; elem && *elem; elem++) {
3887 sv_catpv(sv, *elem);
3889 sv_catpvn(sv, " ", 1);
3891 PUSHs(sv = sv_mortalcopy(&sv_no));
3893 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
3895 sv_setiv(sv, (IV)(sent->s_port));
3897 PUSHs(sv = sv_mortalcopy(&sv_no));
3898 sv_setpv(sv, sent->s_proto);
3903 DIE(no_sock_func, "getservent");
3911 PerlSock_sethostent(TOPi);
3914 DIE(no_sock_func, "sethostent");
3922 PerlSock_setnetent(TOPi);
3925 DIE(no_sock_func, "setnetent");
3933 PerlSock_setprotoent(TOPi);
3936 DIE(no_sock_func, "setprotoent");
3944 PerlSock_setservent(TOPi);
3947 DIE(no_sock_func, "setservent");
3955 PerlSock_endhostent();
3959 DIE(no_sock_func, "endhostent");
3967 PerlSock_endnetent();
3971 DIE(no_sock_func, "endnetent");
3979 PerlSock_endprotoent();
3983 DIE(no_sock_func, "endprotoent");
3991 PerlSock_endservent();
3995 DIE(no_sock_func, "endservent");
4002 return pp_gpwent(ARGS);
4004 DIE(no_func, "getpwnam");
4011 return pp_gpwent(ARGS);
4013 DIE(no_func, "getpwuid");
4021 I32 which = op->op_type;
4023 struct passwd *pwent;
4025 if (which == OP_GPWNAM)
4026 pwent = getpwnam(POPp);
4027 else if (which == OP_GPWUID)
4028 pwent = getpwuid(POPi);
4030 pwent = (struct passwd *)getpwent();
4033 if (GIMME != G_ARRAY) {
4034 PUSHs(sv = sv_newmortal());
4036 if (which == OP_GPWNAM)
4037 sv_setiv(sv, (IV)pwent->pw_uid);
4039 sv_setpv(sv, pwent->pw_name);
4045 PUSHs(sv = sv_mortalcopy(&sv_no));
4046 sv_setpv(sv, pwent->pw_name);
4047 PUSHs(sv = sv_mortalcopy(&sv_no));
4048 sv_setpv(sv, pwent->pw_passwd);
4049 PUSHs(sv = sv_mortalcopy(&sv_no));
4050 sv_setiv(sv, (IV)pwent->pw_uid);
4051 PUSHs(sv = sv_mortalcopy(&sv_no));
4052 sv_setiv(sv, (IV)pwent->pw_gid);
4053 PUSHs(sv = sv_mortalcopy(&sv_no));
4055 sv_setiv(sv, (IV)pwent->pw_change);
4058 sv_setiv(sv, (IV)pwent->pw_quota);
4061 sv_setpv(sv, pwent->pw_age);
4065 PUSHs(sv = sv_mortalcopy(&sv_no));
4067 sv_setpv(sv, pwent->pw_class);
4070 sv_setpv(sv, pwent->pw_comment);
4073 PUSHs(sv = sv_mortalcopy(&sv_no));
4074 sv_setpv(sv, pwent->pw_gecos);
4075 #ifndef INCOMPLETE_TAINTS
4078 PUSHs(sv = sv_mortalcopy(&sv_no));
4079 sv_setpv(sv, pwent->pw_dir);
4080 PUSHs(sv = sv_mortalcopy(&sv_no));
4081 sv_setpv(sv, pwent->pw_shell);
4083 PUSHs(sv = sv_mortalcopy(&sv_no));
4084 sv_setiv(sv, (IV)pwent->pw_expire);
4089 DIE(no_func, "getpwent");
4096 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4100 DIE(no_func, "setpwent");
4111 DIE(no_func, "endpwent");
4118 return pp_ggrent(ARGS);
4120 DIE(no_func, "getgrnam");
4127 return pp_ggrent(ARGS);
4129 DIE(no_func, "getgrgid");
4137 I32 which = op->op_type;
4138 register char **elem;
4140 struct group *grent;
4142 if (which == OP_GGRNAM)
4143 grent = (struct group *)getgrnam(POPp);
4144 else if (which == OP_GGRGID)
4145 grent = (struct group *)getgrgid(POPi);
4147 grent = (struct group *)getgrent();
4150 if (GIMME != G_ARRAY) {
4151 PUSHs(sv = sv_newmortal());
4153 if (which == OP_GGRNAM)
4154 sv_setiv(sv, (IV)grent->gr_gid);
4156 sv_setpv(sv, grent->gr_name);
4162 PUSHs(sv = sv_mortalcopy(&sv_no));
4163 sv_setpv(sv, grent->gr_name);
4164 PUSHs(sv = sv_mortalcopy(&sv_no));
4165 sv_setpv(sv, grent->gr_passwd);
4166 PUSHs(sv = sv_mortalcopy(&sv_no));
4167 sv_setiv(sv, (IV)grent->gr_gid);
4168 PUSHs(sv = sv_mortalcopy(&sv_no));
4169 for (elem = grent->gr_mem; elem && *elem; elem++) {
4170 sv_catpv(sv, *elem);
4172 sv_catpvn(sv, " ", 1);
4178 DIE(no_func, "getgrent");
4189 DIE(no_func, "setgrent");
4200 DIE(no_func, "endgrent");
4210 if (!(tmps = PerlProc_getlogin()))
4212 PUSHp(tmps, strlen(tmps));
4215 DIE(no_func, "getlogin");
4219 /* Miscellaneous. */
4224 djSP; dMARK; dORIGMARK; dTARGET;
4225 register I32 items = SP - MARK;
4226 unsigned long a[20];
4232 while (++MARK <= SP) {
4233 if (SvTAINTED(*MARK)) {
4239 TAINT_PROPER("syscall");
4242 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4243 * or where sizeof(long) != sizeof(char*). But such machines will
4244 * not likely have syscall implemented either, so who cares?
4246 while (++MARK <= SP) {
4247 if (SvNIOK(*MARK) || !i)
4248 a[i++] = SvIV(*MARK);
4249 else if (*MARK == &sv_undef)
4252 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4258 DIE("Too many args to syscall");
4260 DIE("Too few args to syscall");
4262 retval = syscall(a[0]);
4265 retval = syscall(a[0],a[1]);
4268 retval = syscall(a[0],a[1],a[2]);
4271 retval = syscall(a[0],a[1],a[2],a[3]);
4274 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4277 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4280 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4283 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4287 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4290 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4293 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4297 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4301 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4305 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4306 a[10],a[11],a[12],a[13]);
4308 #endif /* atarist */
4314 DIE(no_func, "syscall");
4318 #ifdef FCNTL_EMULATE_FLOCK
4320 /* XXX Emulate flock() with fcntl().
4321 What's really needed is a good file locking module.
4325 fcntl_emulate_flock(int fd, int operation)
4329 switch (operation & ~LOCK_NB) {
4331 flock.l_type = F_RDLCK;
4334 flock.l_type = F_WRLCK;
4337 flock.l_type = F_UNLCK;
4343 flock.l_whence = SEEK_SET;
4344 flock.l_start = flock.l_len = 0L;
4346 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4349 #endif /* FCNTL_EMULATE_FLOCK */
4351 #ifdef LOCKF_EMULATE_FLOCK
4353 /* XXX Emulate flock() with lockf(). This is just to increase
4354 portability of scripts. The calls are not completely
4355 interchangeable. What's really needed is a good file
4359 /* The lockf() constants might have been defined in <unistd.h>.
4360 Unfortunately, <unistd.h> causes troubles on some mixed
4361 (BSD/POSIX) systems, such as SunOS 4.1.3.
4363 Further, the lockf() constants aren't POSIX, so they might not be
4364 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4365 just stick in the SVID values and be done with it. Sigh.
4369 # define F_ULOCK 0 /* Unlock a previously locked region */
4372 # define F_LOCK 1 /* Lock a region for exclusive use */
4375 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4378 # define F_TEST 3 /* Test a region for other processes locks */
4382 lockf_emulate_flock (fd, operation)
4390 /* flock locks entire file so for lockf we need to do the same */
4392 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4393 if (pos > 0) /* is seekable and needs to be repositioned */
4394 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4395 pos = -1; /* seek failed, so don't seek back afterwards */
4398 switch (operation) {
4400 /* LOCK_SH - get a shared lock */
4402 /* LOCK_EX - get an exclusive lock */
4404 i = lockf (fd, F_LOCK, 0);
4407 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4408 case LOCK_SH|LOCK_NB:
4409 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4410 case LOCK_EX|LOCK_NB:
4411 i = lockf (fd, F_TLOCK, 0);
4413 if ((errno == EAGAIN) || (errno == EACCES))
4414 errno = EWOULDBLOCK;
4417 /* LOCK_UN - unlock (non-blocking is a no-op) */
4419 case LOCK_UN|LOCK_NB:
4420 i = lockf (fd, F_ULOCK, 0);
4423 /* Default - can't decipher operation */
4430 if (pos > 0) /* need to restore position of the handle */
4431 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4436 #endif /* LOCKF_EMULATE_FLOCK */