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));
82 # if defined(_MSC_VER) || defined(__MINGW32__)
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 */
366 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
371 perl_call_method("CLOSE", G_SCALAR);
377 PUSHs(boolSV(do_close(gv, TRUE)));
397 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
398 DIE(no_usym, "filehandle");
403 do_close(rgv, FALSE);
405 do_close(wgv, FALSE);
407 if (PerlProc_pipe(fd) < 0)
410 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
411 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
412 IoIFP(wstio) = IoOFP(wstio);
416 if (!IoIFP(rstio) || !IoOFP(wstio)) {
417 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
418 else PerlLIO_close(fd[0]);
419 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
420 else PerlLIO_close(fd[1]);
429 DIE(no_func, "pipe");
442 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
444 PUSHi(PerlIO_fileno(fp));
455 anum = PerlLIO_umask(0);
456 (void)PerlLIO_umask(anum);
459 anum = PerlLIO_umask(POPi);
460 TAINT_PROPER("umask");
463 DIE(no_func, "Unsupported function umask");
481 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
486 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
491 if (PerlLIO_setmode(PerlIO_fileno(fp), OP_BINARY) != -1) {
492 #if defined(WIN32) && defined(__BORLANDC__)
493 /* The translation mode of the stream is maintained independent
494 * of the translation mode of the fd in the Borland RTL (heavy
495 * digging through their runtime sources reveal). User has to
496 * set the mode explicitly for the stream (though they don't
497 * document this anywhere). GSAR 97-5-24
499 PerlIO_seek(fp,0L,0);
508 #if defined(USEMYBINMODE)
509 if (my_binmode(fp,IoTYPE(io)) != NULL)
528 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
529 I32 markoff = mark - stack_base - 1;
534 switch(SvTYPE(varsv)) {
536 methname = "TIEHASH";
539 methname = "TIEARRAY";
542 methname = "TIEHANDLE";
546 methname = "TIESCALAR";
551 if (sv_isobject(mark[1])) {
553 perl_call_method(methname, G_SCALAR);
556 /* Not clear why we don't call perl_call_method here too.
557 * perhaps to get different error message ?
559 stash = gv_stashsv(mark[1], FALSE);
560 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
561 DIE("Can't locate object method \"%s\" via package \"%s\"",
562 methname, SvPV(mark[1],na));
565 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
570 if (sv_isobject(sv)) {
571 sv_unmagic(varsv, how);
572 sv_magic(varsv, sv, how, Nullch, 0);
575 SP = stack_base + markoff;
589 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
590 mg = mg_find(sv, 'P') ;
592 mg = mg_find(sv, 'q') ;
594 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
595 warn("untie attempted while %lu inner references still exist",
596 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
600 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
615 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
616 mg = mg_find(sv, 'P') ;
618 mg = mg_find(sv, 'q') ;
621 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
639 sv = sv_mortalcopy(&sv_no);
640 sv_setpv(sv, "AnyDBM_File");
641 stash = gv_stashsv(sv, FALSE);
642 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
644 perl_require_pv("AnyDBM_File.pm");
646 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
647 DIE("No dbm on this machine");
657 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
659 PUSHs(sv_2mortal(newSViv(O_RDWR)));
662 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
665 if (!sv_isobject(TOPs)) {
670 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
673 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
677 if (sv_isobject(TOPs)) {
678 sv_unmagic((SV *) hv, 'P');
679 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
687 return pp_untie(ARGS);
701 struct timeval timebuf;
702 struct timeval *tbuf = &timebuf;
705 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
710 # if BYTEORDER & 0xf0000
711 # define ORDERBYTE (0x88888888 - BYTEORDER)
713 # define ORDERBYTE (0x4444 - BYTEORDER)
719 for (i = 1; i <= 3; i++) {
727 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
728 #if defined(__linux__) || defined(OS2)
729 growsize = sizeof(fd_set);
731 growsize = maxlen; /* little endians can use vecs directly */
740 masksize = NFDBITS / NBBY;
742 masksize = sizeof(long); /* documented int, everyone seems to use long */
744 growsize = maxlen + (masksize - (maxlen % masksize));
745 Zero(&fd_sets[0], 4, char*);
753 timebuf.tv_sec = (long)value;
754 value -= (double)timebuf.tv_sec;
755 timebuf.tv_usec = (long)(value * 1000000.0);
758 tbuf = Null(struct timeval*);
760 for (i = 1; i <= 3; i++) {
767 SvPV_force(sv,na); /* force string conversion */
770 Sv_Grow(sv, growsize);
774 while (++j <= growsize) {
778 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
780 New(403, fd_sets[i], growsize, char);
781 for (offset = 0; offset < growsize; offset += masksize) {
782 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
783 fd_sets[i][j+offset] = s[(k % masksize) + offset];
786 fd_sets[i] = SvPVX(sv);
790 nfound = PerlSock_select(
792 (Select_fd_set_t) fd_sets[1],
793 (Select_fd_set_t) fd_sets[2],
794 (Select_fd_set_t) fd_sets[3],
796 for (i = 1; i <= 3; i++) {
799 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
801 for (offset = 0; offset < growsize; offset += masksize) {
802 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
803 s[(k % masksize) + offset] = fd_sets[i][j+offset];
805 Safefree(fd_sets[i]);
812 if (GIMME == G_ARRAY && tbuf) {
813 value = (double)(timebuf.tv_sec) +
814 (double)(timebuf.tv_usec) / 1000000.0;
815 PUSHs(sv = sv_mortalcopy(&sv_no));
820 DIE("select not implemented");
829 (void)SvREFCNT_inc(gv);
831 SvREFCNT_dec(defoutgv);
841 newdefout = (op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
843 egv = GvEGV(defoutgv);
850 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
851 if (gvp && *gvp == egv) {
852 gv_efullname3(TARG, defoutgv, Nullch);
856 XPUSHs(sv_2mortal(newRV((SV*)egv)));
861 if (!GvIO(newdefout))
863 setdefout(newdefout);
882 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
888 perl_call_method("GETC", gimme);
891 if (gimme == G_SCALAR)
892 SvSetMagicSV_nosteal(TARG, TOPs);
895 if (!gv || do_eof(gv)) /* make sure we have fp with something */
899 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
906 return pp_sysread(ARGS);
910 doform(CV *cv, GV *gv, OP *retop)
913 register PERL_CONTEXT *cx;
915 AV* padlist = CvPADLIST(cv);
916 SV** svp = AvARRAY(padlist);
922 PUSHBLOCK(cx, CXt_SUB, stack_sp);
925 curpad = AvARRAY((AV*)svp[1]);
927 setdefout(gv); /* locally select filehandle so $% et al work */
959 SV *tmpsv = sv_newmortal();
960 gv_efullname3(tmpsv, fgv, Nullch);
961 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
963 DIE("Not a format reference");
966 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
968 IoFLAGS(io) &= ~IOf_DIDTOP;
969 return doform(cv,gv,op->op_next);
975 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
976 register IO *io = GvIOp(gv);
977 PerlIO *ofp = IoOFP(io);
981 register PERL_CONTEXT *cx;
983 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
984 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
985 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
986 formtarget != toptarget)
994 if (!IoTOP_NAME(io)) {
996 IoFMT_NAME(io) = savepv(GvNAME(gv));
997 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
998 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
999 if ((topgv && GvFORM(topgv)) ||
1000 !gv_fetchpv("top",FALSE,SVt_PVFM))
1001 IoTOP_NAME(io) = savepv(SvPVX(topname));
1003 IoTOP_NAME(io) = savepv("top");
1005 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1006 if (!topgv || !GvFORM(topgv)) {
1007 IoLINES_LEFT(io) = 100000000;
1010 IoTOP_GV(io) = topgv;
1012 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1013 I32 lines = IoLINES_LEFT(io);
1014 char *s = SvPVX(formtarget);
1015 if (lines <= 0) /* Yow, header didn't even fit!!! */
1017 while (lines-- > 0) {
1018 s = strchr(s, '\n');
1024 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1025 sv_chop(formtarget, s);
1026 FmLINES(formtarget) -= IoLINES_LEFT(io);
1029 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1030 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1031 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1033 formtarget = toptarget;
1034 IoFLAGS(io) |= IOf_DIDTOP;
1037 DIE("bad top format reference");
1040 SV *tmpsv = sv_newmortal();
1041 gv_efullname3(tmpsv, fgv, Nullch);
1042 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1045 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1046 return doform(cv,gv,op);
1058 warn("Filehandle only opened for input");
1060 warn("Write on closed filehandle");
1065 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1067 warn("page overflow");
1069 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1073 FmLINES(formtarget) = 0;
1074 SvCUR_set(formtarget, 0);
1075 *SvEND(formtarget) = '\0';
1076 if (IoFLAGS(io) & IOf_FLUSH)
1077 (void)PerlIO_flush(fp);
1081 formtarget = bodytarget;
1083 return pop_return();
1088 djSP; dMARK; dORIGMARK;
1095 if (op->op_flags & OPf_STACKED)
1100 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1101 if (MARK == ORIGMARK) {
1104 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1111 perl_call_method("PRINTF", G_SCALAR);
1114 MARK = ORIGMARK + 1;
1121 if (!(io = GvIO(gv))) {
1123 gv_fullname3(sv, gv, Nullch);
1124 warn("Filehandle %s never opened", SvPV(sv,na));
1126 SETERRNO(EBADF,RMS$_IFI);
1129 else if (!(fp = IoOFP(io))) {
1131 gv_fullname3(sv, gv, Nullch);
1133 warn("Filehandle %s opened only for input", SvPV(sv,na));
1135 warn("printf on closed filehandle %s", SvPV(sv,na));
1137 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1141 #ifdef USE_LOCALE_NUMERIC
1142 if (op->op_private & OPpLOCALE)
1143 SET_NUMERIC_LOCAL();
1145 SET_NUMERIC_STANDARD();
1147 do_sprintf(sv, SP - MARK, MARK + 1);
1148 if (!do_print(sv, fp))
1151 if (IoFLAGS(io) & IOf_FLUSH)
1152 if (PerlIO_flush(fp) == EOF)
1184 tmps = SvPV(sv, len);
1185 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1186 IoLINES(GvIOp(gv)) = 0;
1197 djSP; dMARK; dORIGMARK; dTARGET;
1203 Sock_size_t bufsize;
1209 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1210 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1217 perl_call_method("READ", G_SCALAR);
1230 sv_setpvn(bufsv, "", 0);
1231 buffer = SvPV_force(bufsv, blen);
1232 length = SvIVx(*++MARK);
1234 DIE("Negative length");
1237 offset = SvIVx(*++MARK);
1241 if (!io || !IoIFP(io))
1244 if (op->op_type == OP_RECV) {
1245 char namebuf[MAXPATHLEN];
1246 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1247 bufsize = sizeof (struct sockaddr_in);
1249 bufsize = sizeof namebuf;
1251 buffer = SvGROW(bufsv, length+1);
1252 /* 'offset' means 'flags' here */
1253 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1254 (struct sockaddr *)namebuf, &bufsize);
1257 SvCUR_set(bufsv, length);
1258 *SvEND(bufsv) = '\0';
1259 (void)SvPOK_only(bufsv);
1261 /* This should not be marked tainted if the fp is marked clean */
1262 if (!(IoFLAGS(io) & IOf_UNTAINT))
1263 SvTAINTED_on(bufsv);
1265 sv_setpvn(TARG, namebuf, bufsize);
1270 if (op->op_type == OP_RECV)
1271 DIE(no_sock_func, "recv");
1275 DIE("Offset outside string");
1278 bufsize = SvCUR(bufsv);
1279 buffer = SvGROW(bufsv, length+offset+1);
1280 if (offset > bufsize) { /* Zero any newly allocated space */
1281 Zero(buffer+bufsize, offset-bufsize, char);
1283 if (op->op_type == OP_SYSREAD) {
1284 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1287 #ifdef HAS_SOCKET__bad_code_maybe
1288 if (IoTYPE(io) == 's') {
1289 char namebuf[MAXPATHLEN];
1290 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1291 bufsize = sizeof (struct sockaddr_in);
1293 bufsize = sizeof namebuf;
1295 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1296 (struct sockaddr *)namebuf, &bufsize);
1300 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1303 SvCUR_set(bufsv, length+offset);
1304 *SvEND(bufsv) = '\0';
1305 (void)SvPOK_only(bufsv);
1307 /* This should not be marked tainted if the fp is marked clean */
1308 if (!(IoFLAGS(io) & IOf_UNTAINT))
1309 SvTAINTED_on(bufsv);
1321 return pp_send(ARGS);
1326 djSP; dMARK; dORIGMARK; dTARGET;
1337 if (op->op_type == OP_SYSWRITE &&
1338 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1345 perl_call_method("WRITE", G_SCALAR);
1356 buffer = SvPV(bufsv, blen);
1357 length = SvIVx(*++MARK);
1359 DIE("Negative length");
1362 if (!io || !IoIFP(io)) {
1365 if (op->op_type == OP_SYSWRITE)
1366 warn("Syswrite on closed filehandle");
1368 warn("Send on closed socket");
1371 else if (op->op_type == OP_SYSWRITE) {
1373 offset = SvIVx(*++MARK);
1376 DIE("Offset outside string");
1378 } else if (offset >= blen && blen > 0)
1379 DIE("Offset outside string");
1382 if (length > blen - offset)
1383 length = blen - offset;
1384 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1387 else if (SP > MARK) {
1390 sockbuf = SvPVx(*++MARK, mlen);
1391 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1392 (struct sockaddr *)sockbuf, mlen);
1395 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1399 DIE(no_sock_func, "send");
1414 return pp_sysread(ARGS);
1425 gv = last_in_gv = (GV*)POPs;
1426 PUSHs(boolSV(!gv || do_eof(gv)));
1438 gv = last_in_gv = (GV*)POPs;
1439 PUSHi( do_tell(gv) );
1445 return pp_sysseek(ARGS);
1455 gv = last_in_gv = (GV*)POPs;
1456 if (op->op_type == OP_SEEK)
1457 PUSHs(boolSV(do_seek(gv, offset, whence)));
1459 long n = do_sysseek(gv, offset, whence);
1460 PUSHs((n < 0) ? &sv_undef
1461 : sv_2mortal(n ? newSViv((IV)n)
1462 : newSVpv(zero_but_true, ZBTLEN)));
1470 Off_t len = (Off_t)POPn;
1475 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1476 if (op->op_flags & OPf_SPECIAL) {
1477 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1479 TAINT_PROPER("truncate");
1480 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1482 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1484 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1492 if (SvTYPE(sv) == SVt_PVGV) {
1493 tmpgv = (GV*)sv; /* *main::FRED for example */
1496 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1497 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1501 name = SvPV(sv, na);
1502 TAINT_PROPER("truncate");
1504 if (truncate(name, len) < 0)
1509 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1512 if (my_chsize(tmpfd, len) < 0)
1514 PerlLIO_close(tmpfd);
1523 SETERRNO(EBADF,RMS$_IFI);
1526 DIE("truncate not implemented");
1532 return pp_ioctl(ARGS);
1539 unsigned int func = U_I(POPn);
1540 int optype = op->op_type;
1546 if (!io || !argsv || !IoIFP(io)) {
1547 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1551 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1554 s = SvPV_force(argsv, len);
1555 need = IOCPARM_LEN(func);
1557 s = Sv_Grow(argsv, need + 1);
1558 SvCUR_set(argsv, need);
1561 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1564 retval = SvIV(argsv);
1565 s = (char*)retval; /* ouch */
1568 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1570 if (optype == OP_IOCTL)
1572 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1574 DIE("ioctl is not implemented");
1578 #if defined(OS2) && defined(__EMX__)
1579 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1581 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1584 DIE("fcntl is not implemented");
1588 if (s[SvCUR(argsv)] != 17)
1589 DIE("Possible memory corruption: %s overflowed 3rd argument",
1591 s[SvCUR(argsv)] = 0; /* put our null back */
1592 SvSETMAGIC(argsv); /* Assume it has changed */
1601 PUSHp(zero_but_true, ZBTLEN);
1621 fp = IoIFP(GvIOp(gv));
1625 (void)PerlIO_flush(fp);
1626 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1633 DIE(no_func, "flock()");
1645 int protocol = POPi;
1653 SETERRNO(EBADF,LIB$_INVARG);
1659 do_close(gv, FALSE);
1661 TAINT_PROPER("socket");
1662 fd = PerlSock_socket(domain, type, protocol);
1665 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1666 IoOFP(io) = PerlIO_fdopen(fd, "w");
1668 if (!IoIFP(io) || !IoOFP(io)) {
1669 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1670 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1671 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1677 DIE(no_sock_func, "socket");
1684 #ifdef HAS_SOCKETPAIR
1689 int protocol = POPi;
1702 do_close(gv1, FALSE);
1704 do_close(gv2, FALSE);
1706 TAINT_PROPER("socketpair");
1707 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1709 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1710 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1712 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1713 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1715 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1716 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1717 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1718 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1719 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1720 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1721 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1727 DIE(no_sock_func, "socketpair");
1738 register IO *io = GvIOn(gv);
1741 if (!io || !IoIFP(io))
1744 addr = SvPV(addrsv, len);
1745 TAINT_PROPER("bind");
1746 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1753 warn("bind() on closed fd");
1754 SETERRNO(EBADF,SS$_IVCHAN);
1757 DIE(no_sock_func, "bind");
1768 register IO *io = GvIOn(gv);
1771 if (!io || !IoIFP(io))
1774 addr = SvPV(addrsv, len);
1775 TAINT_PROPER("connect");
1776 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1783 warn("connect() on closed fd");
1784 SETERRNO(EBADF,SS$_IVCHAN);
1787 DIE(no_sock_func, "connect");
1797 register IO *io = GvIOn(gv);
1799 if (!io || !IoIFP(io))
1802 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1809 warn("listen() on closed fd");
1810 SETERRNO(EBADF,SS$_IVCHAN);
1813 DIE(no_sock_func, "listen");
1825 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1826 Sock_size_t len = sizeof saddr;
1838 if (!gstio || !IoIFP(gstio))
1843 do_close(ngv, FALSE);
1845 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1848 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1849 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1850 IoTYPE(nstio) = 's';
1851 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1852 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1853 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1854 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
1858 PUSHp((char *)&saddr, len);
1863 warn("accept() on closed fd");
1864 SETERRNO(EBADF,SS$_IVCHAN);
1870 DIE(no_sock_func, "accept");
1880 register IO *io = GvIOn(gv);
1882 if (!io || !IoIFP(io))
1885 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1890 warn("shutdown() on closed fd");
1891 SETERRNO(EBADF,SS$_IVCHAN);
1894 DIE(no_sock_func, "shutdown");
1901 return pp_ssockopt(ARGS);
1903 DIE(no_sock_func, "getsockopt");
1911 int optype = op->op_type;
1914 unsigned int optname;
1920 if (optype == OP_GSOCKOPT)
1921 sv = sv_2mortal(NEWSV(22, 257));
1924 optname = (unsigned int) POPi;
1925 lvl = (unsigned int) POPi;
1929 if (!io || !IoIFP(io))
1932 fd = PerlIO_fileno(IoIFP(io));
1936 (void)SvPOK_only(sv);
1940 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1953 else if (SvOK(sv)) {
1954 aint = (int)SvIV(sv);
1958 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
1968 warn("[gs]etsockopt() on closed fd");
1969 SETERRNO(EBADF,SS$_IVCHAN);
1974 DIE(no_sock_func, "setsockopt");
1981 return pp_getpeername(ARGS);
1983 DIE(no_sock_func, "getsockname");
1991 int optype = op->op_type;
1995 register IO *io = GvIOn(gv);
1998 if (!io || !IoIFP(io))
2001 sv = sv_2mortal(NEWSV(22, 257));
2002 (void)SvPOK_only(sv);
2006 fd = PerlIO_fileno(IoIFP(io));
2008 case OP_GETSOCKNAME:
2009 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2012 case OP_GETPEERNAME:
2013 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2015 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2017 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2018 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2019 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2020 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2021 sizeof(u_short) + sizeof(struct in_addr))) {
2028 #ifdef BOGUS_GETNAME_RETURN
2029 /* Interactive Unix, getpeername() and getsockname()
2030 does not return valid namelen */
2031 if (len == BOGUS_GETNAME_RETURN)
2032 len = sizeof(struct sockaddr);
2041 warn("get{sock, peer}name() on closed fd");
2042 SETERRNO(EBADF,SS$_IVCHAN);
2047 DIE(no_sock_func, "getpeername");
2055 return pp_stat(ARGS);
2065 if (op->op_flags & OPf_REF) {
2066 tmpgv = cGVOP->op_gv;
2068 if (tmpgv != defgv) {
2069 laststype = OP_STAT;
2071 sv_setpv(statname, "");
2072 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2073 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2075 if (laststatval < 0)
2080 if (SvTYPE(sv) == SVt_PVGV) {
2084 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2085 tmpgv = (GV*)SvRV(sv);
2088 sv_setpv(statname, SvPV(sv,na));
2091 laststype = op->op_type;
2092 if (op->op_type == OP_LSTAT)
2093 laststatval = PerlLIO_lstat(SvPV(statname, na), &statcache);
2096 laststatval = Stat(SvPV(statname, na), &statcache);
2097 if (laststatval < 0) {
2098 if (dowarn && strchr(SvPV(statname, na), '\n'))
2099 warn(warn_nl, "stat");
2105 if (gimme != G_ARRAY) {
2106 if (gimme != G_VOID)
2107 XPUSHs(boolSV(max));
2113 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2114 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2115 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2116 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2117 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2118 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2119 #ifdef USE_STAT_RDEV
2120 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2122 PUSHs(sv_2mortal(newSVpv("", 0)));
2124 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2126 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2127 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2128 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2130 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2131 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2132 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2134 #ifdef USE_STAT_BLOCKS
2135 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2136 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2138 PUSHs(sv_2mortal(newSVpv("", 0)));
2139 PUSHs(sv_2mortal(newSVpv("", 0)));
2147 I32 result = my_stat(ARGS);
2151 if (cando(S_IRUSR, 0, &statcache))
2158 I32 result = my_stat(ARGS);
2162 if (cando(S_IWUSR, 0, &statcache))
2169 I32 result = my_stat(ARGS);
2173 if (cando(S_IXUSR, 0, &statcache))
2180 I32 result = my_stat(ARGS);
2184 if (cando(S_IRUSR, 1, &statcache))
2191 I32 result = my_stat(ARGS);
2195 if (cando(S_IWUSR, 1, &statcache))
2202 I32 result = my_stat(ARGS);
2206 if (cando(S_IXUSR, 1, &statcache))
2213 I32 result = my_stat(ARGS);
2222 return pp_ftrowned(ARGS);
2227 I32 result = my_stat(ARGS);
2231 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2238 I32 result = my_stat(ARGS);
2242 if (!statcache.st_size)
2249 I32 result = my_stat(ARGS);
2253 PUSHi(statcache.st_size);
2259 I32 result = my_stat(ARGS);
2263 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2269 I32 result = my_stat(ARGS);
2273 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2279 I32 result = my_stat(ARGS);
2283 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2289 I32 result = my_stat(ARGS);
2293 if (S_ISSOCK(statcache.st_mode))
2300 I32 result = my_stat(ARGS);
2304 if (S_ISCHR(statcache.st_mode))
2311 I32 result = my_stat(ARGS);
2315 if (S_ISBLK(statcache.st_mode))
2322 I32 result = my_stat(ARGS);
2326 if (S_ISREG(statcache.st_mode))
2333 I32 result = my_stat(ARGS);
2337 if (S_ISDIR(statcache.st_mode))
2344 I32 result = my_stat(ARGS);
2348 if (S_ISFIFO(statcache.st_mode))
2355 I32 result = my_lstat(ARGS);
2359 if (S_ISLNK(statcache.st_mode))
2368 I32 result = my_stat(ARGS);
2372 if (statcache.st_mode & S_ISUID)
2382 I32 result = my_stat(ARGS);
2386 if (statcache.st_mode & S_ISGID)
2396 I32 result = my_stat(ARGS);
2400 if (statcache.st_mode & S_ISVTX)
2411 char *tmps = Nullch;
2413 if (op->op_flags & OPf_REF)
2415 else if (isGV(TOPs))
2417 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2418 gv = (GV*)SvRV(POPs);
2420 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2422 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2423 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2424 else if (tmps && isDIGIT(*tmps))
2428 if (PerlLIO_isatty(fd))
2433 #if defined(atarist) /* this will work with atariST. Configure will
2434 make guesses for other systems. */
2435 # define FILE_base(f) ((f)->_base)
2436 # define FILE_ptr(f) ((f)->_ptr)
2437 # define FILE_cnt(f) ((f)->_cnt)
2438 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2448 register STDCHAR *s;
2453 if (op->op_flags & OPf_REF)
2455 else if (isGV(TOPs))
2457 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2458 gv = (GV*)SvRV(POPs);
2469 goto really_filename;
2475 sv_setpv(statname, "");
2478 if (io && IoIFP(io)) {
2479 if (! PerlIO_has_base(IoIFP(io)))
2480 DIE("-T and -B not implemented on filehandles");
2481 laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2482 if (laststatval < 0)
2484 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2485 if (op->op_type == OP_FTTEXT)
2489 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2490 i = PerlIO_getc(IoIFP(io));
2492 (void)PerlIO_ungetc(IoIFP(io),i);
2494 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2496 len = PerlIO_get_bufsiz(IoIFP(io));
2497 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2498 /* sfio can have large buffers - limit to 512 */
2504 warn("Test on unopened file <%s>",
2505 GvENAME(cGVOP->op_gv));
2506 SETERRNO(EBADF,RMS$_IFI);
2515 sv_setpv(statname, SvPV(sv, na));
2517 i = PerlLIO_open3(SvPV(sv, na), O_RDONLY, 0);
2519 i = PerlLIO_open(SvPV(sv, na), 0);
2522 if (dowarn && strchr(SvPV(sv, na), '\n'))
2523 warn(warn_nl, "open");
2526 laststatval = PerlLIO_fstat(i, &statcache);
2527 if (laststatval < 0)
2529 len = PerlLIO_read(i, tbuf, 512);
2530 (void)PerlLIO_close(i);
2532 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2533 RETPUSHNO; /* special case NFS directories */
2534 RETPUSHYES; /* null file is anything */
2539 /* now scan s to look for textiness */
2540 /* XXX ASCII dependent code */
2542 for (i = 0; i < len; i++, s++) {
2543 if (!*s) { /* null never allowed in text */
2550 *s != '\n' && *s != '\r' && *s != '\b' &&
2551 *s != '\t' && *s != '\f' && *s != 27)
2555 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2563 return pp_fttext(ARGS);
2578 if (!tmps || !*tmps) {
2579 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2581 tmps = SvPV(*svp, na);
2583 if (!tmps || !*tmps) {
2584 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2586 tmps = SvPV(*svp, na);
2588 TAINT_PROPER("chdir");
2589 PUSHi( PerlDir_chdir(tmps) >= 0 );
2591 /* Clear the DEFAULT element of ENV so we'll get the new value
2593 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2600 djSP; dMARK; dTARGET;
2603 value = (I32)apply(op->op_type, MARK, SP);
2608 DIE(no_func, "Unsupported function chown");
2618 TAINT_PROPER("chroot");
2619 PUSHi( chroot(tmps) >= 0 );
2622 DIE(no_func, "chroot");
2628 djSP; dMARK; dTARGET;
2630 value = (I32)apply(op->op_type, MARK, SP);
2638 djSP; dMARK; dTARGET;
2640 value = (I32)apply(op->op_type, MARK, SP);
2648 djSP; dMARK; dTARGET;
2650 value = (I32)apply(op->op_type, MARK, SP);
2662 char *tmps = SvPV(TOPs, na);
2663 TAINT_PROPER("rename");
2665 anum = rename(tmps, tmps2);
2667 if (!(anum = Stat(tmps, &statbuf))) {
2668 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2671 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2672 (void)UNLINK(tmps2);
2673 if (!(anum = link(tmps, tmps2)))
2674 anum = UNLINK(tmps);
2687 char *tmps = SvPV(TOPs, na);
2688 TAINT_PROPER("link");
2689 SETi( link(tmps, tmps2) >= 0 );
2691 DIE(no_func, "Unsupported function link");
2701 char *tmps = SvPV(TOPs, na);
2702 TAINT_PROPER("symlink");
2703 SETi( symlink(tmps, tmps2) >= 0 );
2706 DIE(no_func, "symlink");
2715 char buf[MAXPATHLEN];
2718 #ifndef INCOMPLETE_TAINTS
2722 len = readlink(tmps, buf, sizeof buf);
2730 RETSETUNDEF; /* just pretend it's a normal file */
2734 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2736 dooneliner(cmd, filename)
2740 char *save_filename = filename;
2746 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2747 strcpy(cmdline, cmd);
2748 strcat(cmdline, " ");
2749 for (s = cmdline + strlen(cmdline); *filename; ) {
2754 myfp = PerlProc_popen(cmdline, "r");
2758 SV *tmpsv = sv_newmortal();
2759 /* Need to save/restore 'rs' ?? */
2760 s = sv_gets(tmpsv, myfp, 0);
2761 (void)PerlProc_pclose(myfp);
2765 #ifdef HAS_SYS_ERRLIST
2770 /* you don't see this */
2772 #ifdef HAS_SYS_ERRLIST
2780 if (instr(s, errmsg)) {
2787 #define EACCES EPERM
2789 if (instr(s, "cannot make"))
2790 SETERRNO(EEXIST,RMS$_FEX);
2791 else if (instr(s, "existing file"))
2792 SETERRNO(EEXIST,RMS$_FEX);
2793 else if (instr(s, "ile exists"))
2794 SETERRNO(EEXIST,RMS$_FEX);
2795 else if (instr(s, "non-exist"))
2796 SETERRNO(ENOENT,RMS$_FNF);
2797 else if (instr(s, "does not exist"))
2798 SETERRNO(ENOENT,RMS$_FNF);
2799 else if (instr(s, "not empty"))
2800 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2801 else if (instr(s, "cannot access"))
2802 SETERRNO(EACCES,RMS$_PRV);
2804 SETERRNO(EPERM,RMS$_PRV);
2807 else { /* some mkdirs return no failure indication */
2808 anum = (Stat(save_filename, &statbuf) >= 0);
2809 if (op->op_type == OP_RMDIR)
2814 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2830 char *tmps = SvPV(TOPs, na);
2832 TAINT_PROPER("mkdir");
2834 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
2836 SETi( dooneliner("mkdir", tmps) );
2837 oldumask = PerlLIO_umask(0);
2838 PerlLIO_umask(oldumask);
2839 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
2850 TAINT_PROPER("rmdir");
2852 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
2854 XPUSHi( dooneliner("rmdir", tmps) );
2859 /* Directory calls. */
2864 #if defined(Direntry_t) && defined(HAS_READDIR)
2865 char *dirname = POPp;
2867 register IO *io = GvIOn(gv);
2873 PerlDir_close(IoDIRP(io));
2874 if (!(IoDIRP(io) = PerlDir_open(dirname)))
2880 SETERRNO(EBADF,RMS$_DIR);
2883 DIE(no_dir_func, "opendir");
2890 #if defined(Direntry_t) && defined(HAS_READDIR)
2892 Direntry_t *readdir _((DIR *));
2894 register Direntry_t *dp;
2896 register IO *io = GvIOn(gv);
2899 if (!io || !IoDIRP(io))
2902 if (GIMME == G_ARRAY) {
2904 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
2906 sv = newSVpv(dp->d_name, dp->d_namlen);
2908 sv = newSVpv(dp->d_name, 0);
2910 #ifndef INCOMPLETE_TAINTS
2913 XPUSHs(sv_2mortal(sv));
2917 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
2920 sv = newSVpv(dp->d_name, dp->d_namlen);
2922 sv = newSVpv(dp->d_name, 0);
2924 #ifndef INCOMPLETE_TAINTS
2927 XPUSHs(sv_2mortal(sv));
2933 SETERRNO(EBADF,RMS$_ISI);
2934 if (GIMME == G_ARRAY)
2939 DIE(no_dir_func, "readdir");
2946 #if defined(HAS_TELLDIR) || defined(telldir)
2947 # ifdef NEED_TELLDIR_PROTO /* XXX does _anyone_ need this? --AD 2/20/1998 */
2948 long telldir _((DIR *));
2951 register IO *io = GvIOn(gv);
2953 if (!io || !IoDIRP(io))
2956 PUSHi( PerlDir_tell(IoDIRP(io)) );
2960 SETERRNO(EBADF,RMS$_ISI);
2963 DIE(no_dir_func, "telldir");
2970 #if defined(HAS_SEEKDIR) || defined(seekdir)
2973 register IO *io = GvIOn(gv);
2975 if (!io || !IoDIRP(io))
2978 (void)PerlDir_seek(IoDIRP(io), along);
2983 SETERRNO(EBADF,RMS$_ISI);
2986 DIE(no_dir_func, "seekdir");
2993 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2995 register IO *io = GvIOn(gv);
2997 if (!io || !IoDIRP(io))
3000 (void)PerlDir_rewind(IoDIRP(io));
3004 SETERRNO(EBADF,RMS$_ISI);
3007 DIE(no_dir_func, "rewinddir");
3014 #if defined(Direntry_t) && defined(HAS_READDIR)
3016 register IO *io = GvIOn(gv);
3018 if (!io || !IoDIRP(io))
3021 #ifdef VOID_CLOSEDIR
3022 PerlDir_close(IoDIRP(io));
3024 if (PerlDir_close(IoDIRP(io)) < 0) {
3025 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3034 SETERRNO(EBADF,RMS$_IFI);
3037 DIE(no_dir_func, "closedir");
3041 /* Process control. */
3056 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3057 sv_setiv(GvSV(tmpgv), (IV)getpid());
3058 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3063 DIE(no_func, "Unsupported function fork");
3069 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3074 childpid = wait4pid(-1, &argflags, 0);
3075 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3079 DIE(no_func, "Unsupported function wait");
3085 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3093 childpid = wait4pid(childpid, &argflags, optype);
3094 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3098 DIE(no_func, "Unsupported function waitpid");
3104 djSP; dMARK; dORIGMARK; dTARGET;
3109 Sigsave_t ihand,qhand; /* place to save signals during system() */
3111 if (SP - MARK == 1) {
3113 char *junk = SvPV(TOPs, na);
3115 TAINT_PROPER("system");
3118 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3119 while ((childpid = vfork()) == -1) {
3120 if (errno != EAGAIN) {
3129 rsignal_save(SIGINT, SIG_IGN, &ihand);
3130 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3132 result = wait4pid(childpid, &status, 0);
3133 } while (result == -1 && errno == EINTR);
3134 (void)rsignal_restore(SIGINT, &ihand);
3135 (void)rsignal_restore(SIGQUIT, &qhand);
3136 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3137 do_execfree(); /* free any memory child malloced on vfork */
3139 PUSHi(STATUS_CURRENT);
3142 if (op->op_flags & OPf_STACKED) {
3143 SV *really = *++MARK;
3144 value = (I32)do_aexec(really, MARK, SP);
3146 else if (SP - MARK != 1)
3147 value = (I32)do_aexec(Nullsv, MARK, SP);
3149 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3152 #else /* ! FORK or VMS or OS/2 */
3153 if (op->op_flags & OPf_STACKED) {
3154 SV *really = *++MARK;
3155 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3157 else if (SP - MARK != 1)
3158 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3160 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3162 STATUS_NATIVE_SET(value);
3165 PUSHi(STATUS_CURRENT);
3166 #endif /* !FORK or VMS */
3172 djSP; dMARK; dORIGMARK; dTARGET;
3175 if (op->op_flags & OPf_STACKED) {
3176 SV *really = *++MARK;
3177 value = (I32)do_aexec(really, MARK, SP);
3179 else if (SP - MARK != 1)
3181 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3183 value = (I32)do_aexec(Nullsv, MARK, SP);
3187 char *junk = SvPV(*SP, na);
3189 TAINT_PROPER("exec");
3192 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3194 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3204 djSP; dMARK; dTARGET;
3207 value = (I32)apply(op->op_type, MARK, SP);
3212 DIE(no_func, "Unsupported function kill");
3220 XPUSHi( getppid() );
3223 DIE(no_func, "getppid");
3239 value = (I32)BSD_GETPGRP(pid);
3241 if (pid != 0 && pid != getpid())
3242 DIE("POSIX getpgrp can't take an argument");
3243 value = (I32)getpgrp();
3248 DIE(no_func, "getpgrp()");
3267 TAINT_PROPER("setpgrp");
3269 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3271 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3272 DIE("POSIX setpgrp can't take an argument");
3273 SETi( setpgrp() >= 0 );
3274 #endif /* USE_BSDPGRP */
3277 DIE(no_func, "setpgrp()");
3286 #ifdef HAS_GETPRIORITY
3289 SETi( getpriority(which, who) );
3292 DIE(no_func, "getpriority()");
3302 #ifdef HAS_SETPRIORITY
3306 TAINT_PROPER("setpriority");
3307 SETi( setpriority(which, who, niceval) >= 0 );
3310 DIE(no_func, "setpriority()");
3320 XPUSHn( time(Null(Time_t*)) );
3322 XPUSHi( time(Null(Time_t*)) );
3327 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3328 to HZ. Probably. For now, assume that if the system
3329 defines HZ, it does so correctly. (Will this break
3331 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3332 it's supported. --AD 9/96.
3348 DIE("times not implemented");
3353 (void)times(×buf);
3355 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3356 /* struct tms, though same data */
3360 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3361 if (GIMME == G_ARRAY) {
3362 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3363 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3364 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3367 #endif /* HAS_TIMES */
3372 return pp_gmtime(ARGS);
3380 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3381 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3382 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3388 when = (Time_t)SvNVx(POPs);
3390 when = (Time_t)SvIVx(POPs);
3393 if (op->op_type == OP_LOCALTIME)
3394 tmbuf = localtime(&when);
3396 tmbuf = gmtime(&when);
3400 if (GIMME != G_ARRAY) {
3405 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3406 dayname[tmbuf->tm_wday],
3407 monname[tmbuf->tm_mon],
3412 tmbuf->tm_year + 1900);
3413 PUSHs(sv_2mortal(tsv));
3416 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3417 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3418 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3419 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3420 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3421 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3422 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3423 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3424 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3435 anum = alarm((unsigned int)anum);
3442 DIE(no_func, "Unsupported function alarm");
3453 (void)time(&lasttime);
3458 sleep((unsigned int)duration);
3461 XPUSHi(when - lasttime);
3465 /* Shared memory. */
3469 return pp_semget(ARGS);
3474 return pp_semctl(ARGS);
3479 return pp_shmwrite(ARGS);
3484 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3485 djSP; dMARK; dTARGET;
3486 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3491 return pp_semget(ARGS);
3495 /* Message passing. */
3499 return pp_semget(ARGS);
3504 return pp_semctl(ARGS);
3509 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3510 djSP; dMARK; dTARGET;
3511 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3516 return pp_semget(ARGS);
3522 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3523 djSP; dMARK; dTARGET;
3524 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3529 return pp_semget(ARGS);
3537 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3538 djSP; dMARK; dTARGET;
3539 int anum = do_ipcget(op->op_type, MARK, SP);
3546 DIE("System V IPC is not implemented on this machine");
3552 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3553 djSP; dMARK; dTARGET;
3554 int anum = do_ipcctl(op->op_type, MARK, SP);
3562 PUSHp(zero_but_true, ZBTLEN);
3566 return pp_semget(ARGS);
3572 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3573 djSP; dMARK; dTARGET;
3574 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3579 return pp_semget(ARGS);
3583 /* Get system info. */
3588 return pp_ghostent(ARGS);
3590 DIE(no_sock_func, "gethostbyname");
3597 return pp_ghostent(ARGS);
3599 DIE(no_sock_func, "gethostbyaddr");
3607 I32 which = op->op_type;
3608 register char **elem;
3610 #if defined(HAS_GETHOSTENT) && !defined(DONT_DECLARE_STD)
3611 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
3612 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
3613 #ifndef PerlSock_gethostent
3614 struct hostent *PerlSock_gethostent(void);
3617 struct hostent *hent;
3621 if (which == OP_GHBYNAME) {
3622 hent = PerlSock_gethostbyname(POPp);
3624 else if (which == OP_GHBYADDR) {
3625 int addrtype = POPi;
3628 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
3630 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
3633 #ifdef HAS_GETHOSTENT
3634 hent = PerlSock_gethostent();
3636 DIE("gethostent not implemented");
3639 #ifdef HOST_NOT_FOUND
3641 STATUS_NATIVE_SET(h_errno);
3644 if (GIMME != G_ARRAY) {
3645 PUSHs(sv = sv_newmortal());
3647 if (which == OP_GHBYNAME) {
3649 sv_setpvn(sv, hent->h_addr, hent->h_length);
3652 sv_setpv(sv, (char*)hent->h_name);
3658 PUSHs(sv = sv_mortalcopy(&sv_no));
3659 sv_setpv(sv, (char*)hent->h_name);
3660 PUSHs(sv = sv_mortalcopy(&sv_no));
3661 for (elem = hent->h_aliases; elem && *elem; elem++) {
3662 sv_catpv(sv, *elem);
3664 sv_catpvn(sv, " ", 1);
3666 PUSHs(sv = sv_mortalcopy(&sv_no));
3667 sv_setiv(sv, (IV)hent->h_addrtype);
3668 PUSHs(sv = sv_mortalcopy(&sv_no));
3669 len = hent->h_length;
3670 sv_setiv(sv, (IV)len);
3672 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3673 XPUSHs(sv = sv_mortalcopy(&sv_no));
3674 sv_setpvn(sv, *elem, len);
3677 PUSHs(sv = sv_mortalcopy(&sv_no));
3679 sv_setpvn(sv, hent->h_addr, len);
3684 DIE(no_sock_func, "gethostent");
3691 return pp_gnetent(ARGS);
3693 DIE(no_sock_func, "getnetbyname");
3700 return pp_gnetent(ARGS);
3702 DIE(no_sock_func, "getnetbyaddr");
3710 I32 which = op->op_type;
3711 register char **elem;
3713 #ifdef NETDB_H_OMITS_GETNET
3714 struct netent *getnetbyaddr(Netdb_net_t, int);
3715 struct netent *getnetbyname(Netdb_name_t);
3716 struct netent *getnetent(void);
3718 struct netent *nent;
3720 if (which == OP_GNBYNAME)
3721 nent = getnetbyname(POPp);
3722 else if (which == OP_GNBYADDR) {
3723 int addrtype = POPi;
3724 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
3725 nent = getnetbyaddr(addr, addrtype);
3731 if (GIMME != G_ARRAY) {
3732 PUSHs(sv = sv_newmortal());
3734 if (which == OP_GNBYNAME)
3735 sv_setiv(sv, (IV)nent->n_net);
3737 sv_setpv(sv, nent->n_name);
3743 PUSHs(sv = sv_mortalcopy(&sv_no));
3744 sv_setpv(sv, nent->n_name);
3745 PUSHs(sv = sv_mortalcopy(&sv_no));
3746 for (elem = nent->n_aliases; elem && *elem; elem++) {
3747 sv_catpv(sv, *elem);
3749 sv_catpvn(sv, " ", 1);
3751 PUSHs(sv = sv_mortalcopy(&sv_no));
3752 sv_setiv(sv, (IV)nent->n_addrtype);
3753 PUSHs(sv = sv_mortalcopy(&sv_no));
3754 sv_setiv(sv, (IV)nent->n_net);
3759 DIE(no_sock_func, "getnetent");
3766 return pp_gprotoent(ARGS);
3768 DIE(no_sock_func, "getprotobyname");
3775 return pp_gprotoent(ARGS);
3777 DIE(no_sock_func, "getprotobynumber");
3785 I32 which = op->op_type;
3786 register char **elem;
3788 #ifndef DONT_DECLARE_STD
3789 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
3790 struct protoent *PerlSock_getprotobynumber(int);
3791 #ifndef PerlSock_getprotoent
3792 struct protoent *PerlSock_getprotoent(void);
3795 struct protoent *pent;
3797 if (which == OP_GPBYNAME)
3798 pent = PerlSock_getprotobyname(POPp);
3799 else if (which == OP_GPBYNUMBER)
3800 pent = PerlSock_getprotobynumber(POPi);
3802 pent = PerlSock_getprotoent();
3805 if (GIMME != G_ARRAY) {
3806 PUSHs(sv = sv_newmortal());
3808 if (which == OP_GPBYNAME)
3809 sv_setiv(sv, (IV)pent->p_proto);
3811 sv_setpv(sv, pent->p_name);
3817 PUSHs(sv = sv_mortalcopy(&sv_no));
3818 sv_setpv(sv, pent->p_name);
3819 PUSHs(sv = sv_mortalcopy(&sv_no));
3820 for (elem = pent->p_aliases; elem && *elem; elem++) {
3821 sv_catpv(sv, *elem);
3823 sv_catpvn(sv, " ", 1);
3825 PUSHs(sv = sv_mortalcopy(&sv_no));
3826 sv_setiv(sv, (IV)pent->p_proto);
3831 DIE(no_sock_func, "getprotoent");
3838 return pp_gservent(ARGS);
3840 DIE(no_sock_func, "getservbyname");
3847 return pp_gservent(ARGS);
3849 DIE(no_sock_func, "getservbyport");
3857 I32 which = op->op_type;
3858 register char **elem;
3860 #ifndef DONT_DECLARE_STD
3861 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
3862 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
3863 #ifndef PerlSock_getservent
3864 struct servent *PerlSock_getservent(void);
3867 struct servent *sent;
3869 if (which == OP_GSBYNAME) {
3873 if (proto && !*proto)
3876 sent = PerlSock_getservbyname(name, proto);
3878 else if (which == OP_GSBYPORT) {
3880 unsigned short port = POPu;
3883 port = PerlSock_htons(port);
3885 sent = PerlSock_getservbyport(port, proto);
3888 sent = PerlSock_getservent();
3891 if (GIMME != G_ARRAY) {
3892 PUSHs(sv = sv_newmortal());
3894 if (which == OP_GSBYNAME) {
3896 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
3898 sv_setiv(sv, (IV)(sent->s_port));
3902 sv_setpv(sv, sent->s_name);
3908 PUSHs(sv = sv_mortalcopy(&sv_no));
3909 sv_setpv(sv, sent->s_name);
3910 PUSHs(sv = sv_mortalcopy(&sv_no));
3911 for (elem = sent->s_aliases; elem && *elem; elem++) {
3912 sv_catpv(sv, *elem);
3914 sv_catpvn(sv, " ", 1);
3916 PUSHs(sv = sv_mortalcopy(&sv_no));
3918 sv_setiv(sv, (IV)ntohs(sent->s_port));
3920 sv_setiv(sv, (IV)(sent->s_port));
3922 PUSHs(sv = sv_mortalcopy(&sv_no));
3923 sv_setpv(sv, sent->s_proto);
3928 DIE(no_sock_func, "getservent");
3939 DIE(no_sock_func, "sethostent");
3950 DIE(no_sock_func, "setnetent");
3961 DIE(no_sock_func, "setprotoent");
3972 DIE(no_sock_func, "setservent");
3984 DIE(no_sock_func, "endhostent");
3996 DIE(no_sock_func, "endnetent");
4008 DIE(no_sock_func, "endprotoent");
4020 DIE(no_sock_func, "endservent");
4027 return pp_gpwent(ARGS);
4029 DIE(no_func, "getpwnam");
4036 return pp_gpwent(ARGS);
4038 DIE(no_func, "getpwuid");
4046 I32 which = op->op_type;
4048 struct passwd *pwent;
4050 if (which == OP_GPWNAM)
4051 pwent = getpwnam(POPp);
4052 else if (which == OP_GPWUID)
4053 pwent = getpwuid(POPi);
4055 pwent = (struct passwd *)getpwent();
4058 if (GIMME != G_ARRAY) {
4059 PUSHs(sv = sv_newmortal());
4061 if (which == OP_GPWNAM)
4062 sv_setiv(sv, (IV)pwent->pw_uid);
4064 sv_setpv(sv, pwent->pw_name);
4070 PUSHs(sv = sv_mortalcopy(&sv_no));
4071 sv_setpv(sv, pwent->pw_name);
4072 PUSHs(sv = sv_mortalcopy(&sv_no));
4073 sv_setpv(sv, pwent->pw_passwd);
4074 PUSHs(sv = sv_mortalcopy(&sv_no));
4075 sv_setiv(sv, (IV)pwent->pw_uid);
4076 PUSHs(sv = sv_mortalcopy(&sv_no));
4077 sv_setiv(sv, (IV)pwent->pw_gid);
4078 PUSHs(sv = sv_mortalcopy(&sv_no));
4080 sv_setiv(sv, (IV)pwent->pw_change);
4083 sv_setiv(sv, (IV)pwent->pw_quota);
4086 sv_setpv(sv, pwent->pw_age);
4090 PUSHs(sv = sv_mortalcopy(&sv_no));
4092 sv_setpv(sv, pwent->pw_class);
4095 sv_setpv(sv, pwent->pw_comment);
4098 PUSHs(sv = sv_mortalcopy(&sv_no));
4099 sv_setpv(sv, pwent->pw_gecos);
4100 #ifndef INCOMPLETE_TAINTS
4103 PUSHs(sv = sv_mortalcopy(&sv_no));
4104 sv_setpv(sv, pwent->pw_dir);
4105 PUSHs(sv = sv_mortalcopy(&sv_no));
4106 sv_setpv(sv, pwent->pw_shell);
4108 PUSHs(sv = sv_mortalcopy(&sv_no));
4109 sv_setiv(sv, (IV)pwent->pw_expire);
4114 DIE(no_func, "getpwent");
4121 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4125 DIE(no_func, "setpwent");
4136 DIE(no_func, "endpwent");
4143 return pp_ggrent(ARGS);
4145 DIE(no_func, "getgrnam");
4152 return pp_ggrent(ARGS);
4154 DIE(no_func, "getgrgid");
4162 I32 which = op->op_type;
4163 register char **elem;
4165 struct group *grent;
4167 if (which == OP_GGRNAM)
4168 grent = (struct group *)getgrnam(POPp);
4169 else if (which == OP_GGRGID)
4170 grent = (struct group *)getgrgid(POPi);
4172 grent = (struct group *)getgrent();
4175 if (GIMME != G_ARRAY) {
4176 PUSHs(sv = sv_newmortal());
4178 if (which == OP_GGRNAM)
4179 sv_setiv(sv, (IV)grent->gr_gid);
4181 sv_setpv(sv, grent->gr_name);
4187 PUSHs(sv = sv_mortalcopy(&sv_no));
4188 sv_setpv(sv, grent->gr_name);
4189 PUSHs(sv = sv_mortalcopy(&sv_no));
4190 sv_setpv(sv, grent->gr_passwd);
4191 PUSHs(sv = sv_mortalcopy(&sv_no));
4192 sv_setiv(sv, (IV)grent->gr_gid);
4193 PUSHs(sv = sv_mortalcopy(&sv_no));
4194 for (elem = grent->gr_mem; elem && *elem; elem++) {
4195 sv_catpv(sv, *elem);
4197 sv_catpvn(sv, " ", 1);
4203 DIE(no_func, "getgrent");
4214 DIE(no_func, "setgrent");
4225 DIE(no_func, "endgrent");
4235 if (!(tmps = getlogin()))
4237 PUSHp(tmps, strlen(tmps));
4240 DIE(no_func, "getlogin");
4244 /* Miscellaneous. */
4249 djSP; dMARK; dORIGMARK; dTARGET;
4250 register I32 items = SP - MARK;
4251 unsigned long a[20];
4257 while (++MARK <= SP) {
4258 if (SvTAINTED(*MARK)) {
4264 TAINT_PROPER("syscall");
4267 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4268 * or where sizeof(long) != sizeof(char*). But such machines will
4269 * not likely have syscall implemented either, so who cares?
4271 while (++MARK <= SP) {
4272 if (SvNIOK(*MARK) || !i)
4273 a[i++] = SvIV(*MARK);
4274 else if (*MARK == &sv_undef)
4277 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4283 DIE("Too many args to syscall");
4285 DIE("Too few args to syscall");
4287 retval = syscall(a[0]);
4290 retval = syscall(a[0],a[1]);
4293 retval = syscall(a[0],a[1],a[2]);
4296 retval = syscall(a[0],a[1],a[2],a[3]);
4299 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4302 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4305 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4308 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4312 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4315 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4318 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4322 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4326 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4330 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4331 a[10],a[11],a[12],a[13]);
4333 #endif /* atarist */
4339 DIE(no_func, "syscall");
4343 #ifdef FCNTL_EMULATE_FLOCK
4345 /* XXX Emulate flock() with fcntl().
4346 What's really needed is a good file locking module.
4350 fcntl_emulate_flock(int fd, int operation)
4354 switch (operation & ~LOCK_NB) {
4356 flock.l_type = F_RDLCK;
4359 flock.l_type = F_WRLCK;
4362 flock.l_type = F_UNLCK;
4368 flock.l_whence = SEEK_SET;
4369 flock.l_start = flock.l_len = 0L;
4371 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4374 #endif /* FCNTL_EMULATE_FLOCK */
4376 #ifdef LOCKF_EMULATE_FLOCK
4378 /* XXX Emulate flock() with lockf(). This is just to increase
4379 portability of scripts. The calls are not completely
4380 interchangeable. What's really needed is a good file
4384 /* The lockf() constants might have been defined in <unistd.h>.
4385 Unfortunately, <unistd.h> causes troubles on some mixed
4386 (BSD/POSIX) systems, such as SunOS 4.1.3.
4388 Further, the lockf() constants aren't POSIX, so they might not be
4389 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4390 just stick in the SVID values and be done with it. Sigh.
4394 # define F_ULOCK 0 /* Unlock a previously locked region */
4397 # define F_LOCK 1 /* Lock a region for exclusive use */
4400 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4403 # define F_TEST 3 /* Test a region for other processes locks */
4407 lockf_emulate_flock (fd, operation)
4415 /* flock locks entire file so for lockf we need to do the same */
4417 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4418 if (pos > 0) /* is seekable and needs to be repositioned */
4419 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4420 pos = -1; /* seek failed, so don't seek back afterwards */
4423 switch (operation) {
4425 /* LOCK_SH - get a shared lock */
4427 /* LOCK_EX - get an exclusive lock */
4429 i = lockf (fd, F_LOCK, 0);
4432 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4433 case LOCK_SH|LOCK_NB:
4434 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4435 case LOCK_EX|LOCK_NB:
4436 i = lockf (fd, F_TLOCK, 0);
4438 if ((errno == EAGAIN) || (errno == EACCES))
4439 errno = EWOULDBLOCK;
4442 /* LOCK_UN - unlock (non-blocking is a no-op) */
4444 case LOCK_UN|LOCK_NB:
4445 i = lockf (fd, F_ULOCK, 0);
4448 /* Default - can't decipher operation */
4455 if (pos > 0) /* need to restore position of the handle */
4456 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4461 #endif /* LOCKF_EMULATE_FLOCK */