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>
57 /* XXX Configure test needed.
58 h_errno might not be a simple 'int', especially for multi-threaded
59 applications. HOST_NOT_FOUND is typically defined in <netdb.h>.
61 #if defined(HOST_NOT_FOUND) && !defined(h_errno)
69 struct passwd *getpwnam _((char *));
70 struct passwd *getpwuid _((Uid_t));
72 struct passwd *getpwent _((void));
79 struct group *getgrnam _((char *));
80 struct group *getgrgid _((Gid_t));
82 struct group *getgrent _((void));
86 # if defined(_MSC_VER) || defined(__MINGW32__)
87 # include <sys/utime.h>
99 /* Put this after #includes because fork and vfork prototypes may conflict. */
104 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
106 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
107 # define Sock_size_t Size_t
109 # define Sock_size_t int
113 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
114 static int dooneliner _((char *cmd, char *filename));
118 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
121 # define my_chsize PerlLIO_chsize
126 #else /* no flock() */
128 /* fcntl.h might not have been included, even if it exists, because
129 the current Configure only sets I_FCNTL if it's needed to pick up
130 the *_OK constants. Make sure it has been included before testing
131 the fcntl() locking constants. */
132 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
136 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
137 # define FLOCK fcntl_emulate_flock
138 # define FCNTL_EMULATE_FLOCK
139 # else /* no flock() or fcntl(F_SETLK,...) */
141 # define FLOCK lockf_emulate_flock
142 # define LOCKF_EMULATE_FLOCK
144 # endif /* no flock() or fcntl(F_SETLK,...) */
147 static int FLOCK _((int, int));
150 * These are the flock() constants. Since this sytems doesn't have
151 * flock(), the values of the constants are probably not available.
165 # endif /* emulating flock() */
167 #endif /* no flock() */
171 # define MAXPATHLEN PATH_MAX
173 # define MAXPATHLEN 1024
178 static char zero_but_true[ZBTLEN + 1] = "0 but true";
190 fp = PerlProc_popen(tmps, "r");
192 if (gimme == G_VOID) {
194 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
198 else if (gimme == G_SCALAR) {
199 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
200 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
211 if (sv_gets(sv, fp, 0) == Nullch) {
215 XPUSHs(sv_2mortal(sv));
216 if (SvLEN(sv) - SvCUR(sv) > 20) {
217 SvLEN_set(sv, SvCUR(sv)+1);
218 Renew(SvPVX(sv), SvLEN(sv), char);
223 STATUS_NATIVE_SET(PerlProc_pclose(fp));
224 TAINT; /* "I believe that this is not gratuitous!" */
227 STATUS_NATIVE_SET(-1);
228 if (gimme == G_SCALAR)
243 * The external globbing program may use things we can't control,
244 * so for security reasons we must assume the worst.
247 taint_proper(no_security, "glob");
251 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
252 last_in_gv = (GV*)*stack_sp--;
254 SAVESPTR(rs); /* This is not permanent, either. */
255 rs = sv_2mortal(newSVpv("", 1));
262 result = do_readline();
269 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
270 return do_readline();
275 last_in_gv = cGVOP->op_gv;
276 return do_readline();
283 if (SP - MARK != 1) {
285 do_join(TARG, &sv_no, MARK, SP);
286 tmps = SvPV(TARG, na);
290 tmps = SvPV(TOPs, na);
292 if (!tmps || !*tmps) {
294 (void)SvUPGRADE(error, SVt_PV);
295 if (SvPOK(error) && SvCUR(error))
296 sv_catpv(error, "\t...caught");
297 tmps = SvPV(error, na);
300 tmps = "Warning: something's wrong";
311 if (SP - MARK != 1) {
313 do_join(TARG, &sv_no, MARK, SP);
314 tmps = SvPV(TARG, na);
319 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, na);
321 if (!tmps || !*tmps) {
323 (void)SvUPGRADE(error, SVt_PV);
324 if(tmpsv ? SvROK(tmpsv) : SvROK(error)) {
326 SvSetSV(error,tmpsv);
330 if (SvPOK(error) && SvCUR(error))
331 sv_catpv(error, "\t...propagated");
332 tmps = SvPV(error, na);
353 DIE(no_usym, "filehandle");
358 DIE(no_usym, "filehandle");
360 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
361 tmps = SvPV(sv, len);
362 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp))
363 PUSHi( (I32)forkprocess );
364 else if (forkprocess == 0) /* we are a new child */
382 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
387 perl_call_method("CLOSE", G_SCALAR);
393 PUSHs(boolSV(do_close(gv, TRUE)));
413 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
414 DIE(no_usym, "filehandle");
419 do_close(rgv, FALSE);
421 do_close(wgv, FALSE);
423 if (PerlProc_pipe(fd) < 0)
426 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
427 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
428 IoIFP(wstio) = IoOFP(wstio);
432 if (!IoIFP(rstio) || !IoOFP(wstio)) {
433 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
434 else PerlLIO_close(fd[0]);
435 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
436 else PerlLIO_close(fd[1]);
445 DIE(no_func, "pipe");
458 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
460 PUSHi(PerlIO_fileno(fp));
471 anum = PerlLIO_umask(0);
472 (void)PerlLIO_umask(anum);
475 anum = PerlLIO_umask(POPi);
476 TAINT_PROPER("umask");
497 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
500 if (do_binmode(fp,IoTYPE(io),TRUE))
515 I32 markoff = MARK - stack_base;
521 switch(SvTYPE(varsv)) {
523 methname = "TIEHASH";
526 methname = "TIEARRAY";
529 methname = "TIEHANDLE";
533 methname = "TIESCALAR";
538 if (sv_isobject(*MARK)) {
546 perl_call_method(methname, G_SCALAR);
549 /* Not clear why we don't call perl_call_method here too.
550 * perhaps to get different error message ?
552 stash = gv_stashsv(*MARK, FALSE);
553 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
554 DIE("Can't locate object method \"%s\" via package \"%s\"",
555 methname, SvPV(*MARK,na));
564 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;
590 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
591 mg = mg_find(sv, 'P') ;
593 mg = mg_find(sv, 'q') ;
595 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
596 warn("untie attempted while %lu inner references still exist",
597 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
601 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
616 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
617 mg = mg_find(sv, 'P') ;
619 mg = mg_find(sv, 'q') ;
622 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
640 sv = sv_mortalcopy(&sv_no);
641 sv_setpv(sv, "AnyDBM_File");
642 stash = gv_stashsv(sv, FALSE);
643 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
645 perl_require_pv("AnyDBM_File.pm");
647 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
648 DIE("No dbm on this machine");
658 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
660 PUSHs(sv_2mortal(newSViv(O_RDWR)));
663 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
666 if (!sv_isobject(TOPs)) {
671 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
674 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
678 if (sv_isobject(TOPs)) {
679 sv_unmagic((SV *) hv, 'P');
680 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
688 return pp_untie(ARGS);
702 struct timeval timebuf;
703 struct timeval *tbuf = &timebuf;
706 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
711 # if BYTEORDER & 0xf0000
712 # define ORDERBYTE (0x88888888 - BYTEORDER)
714 # define ORDERBYTE (0x4444 - BYTEORDER)
720 for (i = 1; i <= 3; i++) {
728 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
729 #if defined(__linux__) || defined(OS2)
730 growsize = sizeof(fd_set);
732 growsize = maxlen; /* little endians can use vecs directly */
741 masksize = NFDBITS / NBBY;
743 masksize = sizeof(long); /* documented int, everyone seems to use long */
745 growsize = maxlen + (masksize - (maxlen % masksize));
746 Zero(&fd_sets[0], 4, char*);
754 timebuf.tv_sec = (long)value;
755 value -= (double)timebuf.tv_sec;
756 timebuf.tv_usec = (long)(value * 1000000.0);
759 tbuf = Null(struct timeval*);
761 for (i = 1; i <= 3; i++) {
768 SvPV_force(sv,na); /* force string conversion */
771 Sv_Grow(sv, growsize);
775 while (++j <= growsize) {
779 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
781 New(403, fd_sets[i], growsize, char);
782 for (offset = 0; offset < growsize; offset += masksize) {
783 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
784 fd_sets[i][j+offset] = s[(k % masksize) + offset];
787 fd_sets[i] = SvPVX(sv);
791 nfound = PerlSock_select(
793 (Select_fd_set_t) fd_sets[1],
794 (Select_fd_set_t) fd_sets[2],
795 (Select_fd_set_t) fd_sets[3],
797 for (i = 1; i <= 3; i++) {
800 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
802 for (offset = 0; offset < growsize; offset += masksize) {
803 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
804 s[(k % masksize) + offset] = fd_sets[i][j+offset];
806 Safefree(fd_sets[i]);
813 if (GIMME == G_ARRAY && tbuf) {
814 value = (double)(timebuf.tv_sec) +
815 (double)(timebuf.tv_usec) / 1000000.0;
816 PUSHs(sv = sv_mortalcopy(&sv_no));
821 DIE("select not implemented");
830 (void)SvREFCNT_inc(gv);
832 SvREFCNT_dec(defoutgv);
842 newdefout = (op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
844 egv = GvEGV(defoutgv);
851 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
852 if (gvp && *gvp == egv) {
853 gv_efullname3(TARG, defoutgv, Nullch);
857 XPUSHs(sv_2mortal(newRV((SV*)egv)));
862 if (!GvIO(newdefout))
864 setdefout(newdefout);
883 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
889 perl_call_method("GETC", gimme);
892 if (gimme == G_SCALAR)
893 SvSetMagicSV_nosteal(TARG, TOPs);
896 if (!gv || do_eof(gv)) /* make sure we have fp with something */
900 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
907 return pp_sysread(ARGS);
911 doform(CV *cv, GV *gv, OP *retop)
914 register PERL_CONTEXT *cx;
916 AV* padlist = CvPADLIST(cv);
917 SV** svp = AvARRAY(padlist);
923 PUSHBLOCK(cx, CXt_SUB, stack_sp);
926 curpad = AvARRAY((AV*)svp[1]);
928 setdefout(gv); /* locally select filehandle so $% et al work */
960 SV *tmpsv = sv_newmortal();
961 gv_efullname3(tmpsv, fgv, Nullch);
962 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
964 DIE("Not a format reference");
967 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
969 IoFLAGS(io) &= ~IOf_DIDTOP;
970 return doform(cv,gv,op->op_next);
976 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
977 register IO *io = GvIOp(gv);
978 PerlIO *ofp = IoOFP(io);
982 register PERL_CONTEXT *cx;
984 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
985 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
986 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
987 formtarget != toptarget)
995 if (!IoTOP_NAME(io)) {
997 IoFMT_NAME(io) = savepv(GvNAME(gv));
998 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
999 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1000 if ((topgv && GvFORM(topgv)) ||
1001 !gv_fetchpv("top",FALSE,SVt_PVFM))
1002 IoTOP_NAME(io) = savepv(SvPVX(topname));
1004 IoTOP_NAME(io) = savepv("top");
1006 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1007 if (!topgv || !GvFORM(topgv)) {
1008 IoLINES_LEFT(io) = 100000000;
1011 IoTOP_GV(io) = topgv;
1013 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1014 I32 lines = IoLINES_LEFT(io);
1015 char *s = SvPVX(formtarget);
1016 if (lines <= 0) /* Yow, header didn't even fit!!! */
1018 while (lines-- > 0) {
1019 s = strchr(s, '\n');
1025 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1026 sv_chop(formtarget, s);
1027 FmLINES(formtarget) -= IoLINES_LEFT(io);
1030 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1031 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1032 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1034 formtarget = toptarget;
1035 IoFLAGS(io) |= IOf_DIDTOP;
1038 DIE("bad top format reference");
1041 SV *tmpsv = sv_newmortal();
1042 gv_efullname3(tmpsv, fgv, Nullch);
1043 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1046 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1047 return doform(cv,gv,op);
1059 warn("Filehandle only opened for input");
1061 warn("Write on closed filehandle");
1066 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1068 warn("page overflow");
1070 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1074 FmLINES(formtarget) = 0;
1075 SvCUR_set(formtarget, 0);
1076 *SvEND(formtarget) = '\0';
1077 if (IoFLAGS(io) & IOf_FLUSH)
1078 (void)PerlIO_flush(fp);
1082 formtarget = bodytarget;
1084 return pop_return();
1089 djSP; dMARK; dORIGMARK;
1096 if (op->op_flags & OPf_STACKED)
1101 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1102 if (MARK == ORIGMARK) {
1105 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1112 perl_call_method("PRINTF", G_SCALAR);
1115 MARK = ORIGMARK + 1;
1122 if (!(io = GvIO(gv))) {
1124 gv_fullname3(sv, gv, Nullch);
1125 warn("Filehandle %s never opened", SvPV(sv,na));
1127 SETERRNO(EBADF,RMS$_IFI);
1130 else if (!(fp = IoOFP(io))) {
1132 gv_fullname3(sv, gv, Nullch);
1134 warn("Filehandle %s opened only for input", SvPV(sv,na));
1136 warn("printf on closed filehandle %s", SvPV(sv,na));
1138 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1142 #ifdef USE_LOCALE_NUMERIC
1143 if (op->op_private & OPpLOCALE)
1144 SET_NUMERIC_LOCAL();
1146 SET_NUMERIC_STANDARD();
1148 do_sprintf(sv, SP - MARK, MARK + 1);
1149 if (!do_print(sv, fp))
1152 if (IoFLAGS(io) & IOf_FLUSH)
1153 if (PerlIO_flush(fp) == EOF)
1185 tmps = SvPV(sv, len);
1186 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1187 IoLINES(GvIOp(gv)) = 0;
1198 djSP; dMARK; dORIGMARK; dTARGET;
1204 Sock_size_t bufsize;
1210 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1211 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1218 perl_call_method("READ", G_SCALAR);
1231 sv_setpvn(bufsv, "", 0);
1232 buffer = SvPV_force(bufsv, blen);
1233 length = SvIVx(*++MARK);
1235 DIE("Negative length");
1238 offset = SvIVx(*++MARK);
1242 if (!io || !IoIFP(io))
1245 if (op->op_type == OP_RECV) {
1246 char namebuf[MAXPATHLEN];
1247 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1248 bufsize = sizeof (struct sockaddr_in);
1250 bufsize = sizeof namebuf;
1252 buffer = SvGROW(bufsv, length+1);
1253 /* 'offset' means 'flags' here */
1254 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1255 (struct sockaddr *)namebuf, &bufsize);
1258 SvCUR_set(bufsv, length);
1259 *SvEND(bufsv) = '\0';
1260 (void)SvPOK_only(bufsv);
1262 /* This should not be marked tainted if the fp is marked clean */
1263 if (!(IoFLAGS(io) & IOf_UNTAINT))
1264 SvTAINTED_on(bufsv);
1266 sv_setpvn(TARG, namebuf, bufsize);
1271 if (op->op_type == OP_RECV)
1272 DIE(no_sock_func, "recv");
1276 DIE("Offset outside string");
1279 bufsize = SvCUR(bufsv);
1280 buffer = SvGROW(bufsv, length+offset+1);
1281 if (offset > bufsize) { /* Zero any newly allocated space */
1282 Zero(buffer+bufsize, offset-bufsize, char);
1284 if (op->op_type == OP_SYSREAD) {
1285 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1288 #ifdef HAS_SOCKET__bad_code_maybe
1289 if (IoTYPE(io) == 's') {
1290 char namebuf[MAXPATHLEN];
1291 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1292 bufsize = sizeof (struct sockaddr_in);
1294 bufsize = sizeof namebuf;
1296 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1297 (struct sockaddr *)namebuf, &bufsize);
1301 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1304 SvCUR_set(bufsv, length+offset);
1305 *SvEND(bufsv) = '\0';
1306 (void)SvPOK_only(bufsv);
1308 /* This should not be marked tainted if the fp is marked clean */
1309 if (!(IoFLAGS(io) & IOf_UNTAINT))
1310 SvTAINTED_on(bufsv);
1322 return pp_send(ARGS);
1327 djSP; dMARK; dORIGMARK; dTARGET;
1338 if (op->op_type == OP_SYSWRITE &&
1339 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1346 perl_call_method("WRITE", G_SCALAR);
1357 buffer = SvPV(bufsv, blen);
1358 length = SvIVx(*++MARK);
1360 DIE("Negative length");
1363 if (!io || !IoIFP(io)) {
1366 if (op->op_type == OP_SYSWRITE)
1367 warn("Syswrite on closed filehandle");
1369 warn("Send on closed socket");
1372 else if (op->op_type == OP_SYSWRITE) {
1374 offset = SvIVx(*++MARK);
1377 DIE("Offset outside string");
1379 } else if (offset >= blen && blen > 0)
1380 DIE("Offset outside string");
1383 if (length > blen - offset)
1384 length = blen - offset;
1385 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1388 else if (SP > MARK) {
1391 sockbuf = SvPVx(*++MARK, mlen);
1392 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1393 (struct sockaddr *)sockbuf, mlen);
1396 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1400 DIE(no_sock_func, "send");
1415 return pp_sysread(ARGS);
1426 gv = last_in_gv = (GV*)POPs;
1427 PUSHs(boolSV(!gv || do_eof(gv)));
1439 gv = last_in_gv = (GV*)POPs;
1440 PUSHi( do_tell(gv) );
1446 return pp_sysseek(ARGS);
1456 gv = last_in_gv = (GV*)POPs;
1457 if (op->op_type == OP_SEEK)
1458 PUSHs(boolSV(do_seek(gv, offset, whence)));
1460 long n = do_sysseek(gv, offset, whence);
1461 PUSHs((n < 0) ? &sv_undef
1462 : sv_2mortal(n ? newSViv((IV)n)
1463 : newSVpv(zero_but_true, ZBTLEN)));
1471 Off_t len = (Off_t)POPn;
1476 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1477 if (op->op_flags & OPf_SPECIAL) {
1478 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1480 TAINT_PROPER("truncate");
1481 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1483 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1485 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1493 if (SvTYPE(sv) == SVt_PVGV) {
1494 tmpgv = (GV*)sv; /* *main::FRED for example */
1497 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1498 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1502 name = SvPV(sv, na);
1503 TAINT_PROPER("truncate");
1505 if (truncate(name, len) < 0)
1510 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1513 if (my_chsize(tmpfd, len) < 0)
1515 PerlLIO_close(tmpfd);
1524 SETERRNO(EBADF,RMS$_IFI);
1527 DIE("truncate not implemented");
1533 return pp_ioctl(ARGS);
1540 unsigned int func = U_I(POPn);
1541 int optype = op->op_type;
1547 if (!io || !argsv || !IoIFP(io)) {
1548 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1552 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1555 s = SvPV_force(argsv, len);
1556 need = IOCPARM_LEN(func);
1558 s = Sv_Grow(argsv, need + 1);
1559 SvCUR_set(argsv, need);
1562 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1565 retval = SvIV(argsv);
1566 s = (char*)retval; /* ouch */
1569 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1571 if (optype == OP_IOCTL)
1573 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1575 DIE("ioctl is not implemented");
1579 #if defined(OS2) && defined(__EMX__)
1580 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1582 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1585 DIE("fcntl is not implemented");
1589 if (s[SvCUR(argsv)] != 17)
1590 DIE("Possible memory corruption: %s overflowed 3rd argument",
1592 s[SvCUR(argsv)] = 0; /* put our null back */
1593 SvSETMAGIC(argsv); /* Assume it has changed */
1602 PUSHp(zero_but_true, ZBTLEN);
1622 fp = IoIFP(GvIOp(gv));
1626 (void)PerlIO_flush(fp);
1627 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1634 DIE(no_func, "flock()");
1646 int protocol = POPi;
1654 SETERRNO(EBADF,LIB$_INVARG);
1660 do_close(gv, FALSE);
1662 TAINT_PROPER("socket");
1663 fd = PerlSock_socket(domain, type, protocol);
1666 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1667 IoOFP(io) = PerlIO_fdopen(fd, "w");
1669 if (!IoIFP(io) || !IoOFP(io)) {
1670 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1671 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1672 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1678 DIE(no_sock_func, "socket");
1685 #ifdef HAS_SOCKETPAIR
1690 int protocol = POPi;
1703 do_close(gv1, FALSE);
1705 do_close(gv2, FALSE);
1707 TAINT_PROPER("socketpair");
1708 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1710 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1711 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1713 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1714 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1716 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1717 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1718 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1719 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1720 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1721 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1722 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1728 DIE(no_sock_func, "socketpair");
1739 register IO *io = GvIOn(gv);
1742 if (!io || !IoIFP(io))
1745 addr = SvPV(addrsv, len);
1746 TAINT_PROPER("bind");
1747 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1754 warn("bind() on closed fd");
1755 SETERRNO(EBADF,SS$_IVCHAN);
1758 DIE(no_sock_func, "bind");
1769 register IO *io = GvIOn(gv);
1772 if (!io || !IoIFP(io))
1775 addr = SvPV(addrsv, len);
1776 TAINT_PROPER("connect");
1777 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1784 warn("connect() on closed fd");
1785 SETERRNO(EBADF,SS$_IVCHAN);
1788 DIE(no_sock_func, "connect");
1798 register IO *io = GvIOn(gv);
1800 if (!io || !IoIFP(io))
1803 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1810 warn("listen() on closed fd");
1811 SETERRNO(EBADF,SS$_IVCHAN);
1814 DIE(no_sock_func, "listen");
1826 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1827 Sock_size_t len = sizeof saddr;
1839 if (!gstio || !IoIFP(gstio))
1844 do_close(ngv, FALSE);
1846 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1849 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1850 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1851 IoTYPE(nstio) = 's';
1852 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1853 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1854 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1855 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
1859 PUSHp((char *)&saddr, len);
1864 warn("accept() on closed fd");
1865 SETERRNO(EBADF,SS$_IVCHAN);
1871 DIE(no_sock_func, "accept");
1881 register IO *io = GvIOn(gv);
1883 if (!io || !IoIFP(io))
1886 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1891 warn("shutdown() on closed fd");
1892 SETERRNO(EBADF,SS$_IVCHAN);
1895 DIE(no_sock_func, "shutdown");
1902 return pp_ssockopt(ARGS);
1904 DIE(no_sock_func, "getsockopt");
1912 int optype = op->op_type;
1915 unsigned int optname;
1921 if (optype == OP_GSOCKOPT)
1922 sv = sv_2mortal(NEWSV(22, 257));
1925 optname = (unsigned int) POPi;
1926 lvl = (unsigned int) POPi;
1930 if (!io || !IoIFP(io))
1933 fd = PerlIO_fileno(IoIFP(io));
1937 (void)SvPOK_only(sv);
1941 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1954 else if (SvOK(sv)) {
1955 aint = (int)SvIV(sv);
1959 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
1969 warn("[gs]etsockopt() on closed fd");
1970 SETERRNO(EBADF,SS$_IVCHAN);
1975 DIE(no_sock_func, "setsockopt");
1982 return pp_getpeername(ARGS);
1984 DIE(no_sock_func, "getsockname");
1992 int optype = op->op_type;
1996 register IO *io = GvIOn(gv);
1999 if (!io || !IoIFP(io))
2002 sv = sv_2mortal(NEWSV(22, 257));
2003 (void)SvPOK_only(sv);
2007 fd = PerlIO_fileno(IoIFP(io));
2009 case OP_GETSOCKNAME:
2010 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2013 case OP_GETPEERNAME:
2014 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2016 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2018 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2019 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2020 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2021 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2022 sizeof(u_short) + sizeof(struct in_addr))) {
2029 #ifdef BOGUS_GETNAME_RETURN
2030 /* Interactive Unix, getpeername() and getsockname()
2031 does not return valid namelen */
2032 if (len == BOGUS_GETNAME_RETURN)
2033 len = sizeof(struct sockaddr);
2042 warn("get{sock, peer}name() on closed fd");
2043 SETERRNO(EBADF,SS$_IVCHAN);
2048 DIE(no_sock_func, "getpeername");
2056 return pp_stat(ARGS);
2066 if (op->op_flags & OPf_REF) {
2067 tmpgv = cGVOP->op_gv;
2069 if (tmpgv != defgv) {
2070 laststype = OP_STAT;
2072 sv_setpv(statname, "");
2073 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2074 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2076 if (laststatval < 0)
2081 if (SvTYPE(sv) == SVt_PVGV) {
2085 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2086 tmpgv = (GV*)SvRV(sv);
2089 sv_setpv(statname, SvPV(sv,na));
2092 laststype = op->op_type;
2093 if (op->op_type == OP_LSTAT)
2094 laststatval = PerlLIO_lstat(SvPV(statname, na), &statcache);
2097 laststatval = PerlLIO_stat(SvPV(statname, na), &statcache);
2098 if (laststatval < 0) {
2099 if (dowarn && strchr(SvPV(statname, na), '\n'))
2100 warn(warn_nl, "stat");
2106 if (gimme != G_ARRAY) {
2107 if (gimme != G_VOID)
2108 XPUSHs(boolSV(max));
2114 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2115 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2116 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2117 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2118 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2119 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2120 #ifdef USE_STAT_RDEV
2121 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2123 PUSHs(sv_2mortal(newSVpv("", 0)));
2125 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2127 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2128 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2129 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2131 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2132 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2133 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2135 #ifdef USE_STAT_BLOCKS
2136 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2137 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2139 PUSHs(sv_2mortal(newSVpv("", 0)));
2140 PUSHs(sv_2mortal(newSVpv("", 0)));
2148 I32 result = my_stat(ARGS);
2152 if (cando(S_IRUSR, 0, &statcache))
2159 I32 result = my_stat(ARGS);
2163 if (cando(S_IWUSR, 0, &statcache))
2170 I32 result = my_stat(ARGS);
2174 if (cando(S_IXUSR, 0, &statcache))
2181 I32 result = my_stat(ARGS);
2185 if (cando(S_IRUSR, 1, &statcache))
2192 I32 result = my_stat(ARGS);
2196 if (cando(S_IWUSR, 1, &statcache))
2203 I32 result = my_stat(ARGS);
2207 if (cando(S_IXUSR, 1, &statcache))
2214 I32 result = my_stat(ARGS);
2223 return pp_ftrowned(ARGS);
2228 I32 result = my_stat(ARGS);
2232 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2239 I32 result = my_stat(ARGS);
2243 if (!statcache.st_size)
2250 I32 result = my_stat(ARGS);
2254 PUSHi(statcache.st_size);
2260 I32 result = my_stat(ARGS);
2264 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2270 I32 result = my_stat(ARGS);
2274 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2280 I32 result = my_stat(ARGS);
2284 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2290 I32 result = my_stat(ARGS);
2294 if (S_ISSOCK(statcache.st_mode))
2301 I32 result = my_stat(ARGS);
2305 if (S_ISCHR(statcache.st_mode))
2312 I32 result = my_stat(ARGS);
2316 if (S_ISBLK(statcache.st_mode))
2323 I32 result = my_stat(ARGS);
2327 if (S_ISREG(statcache.st_mode))
2334 I32 result = my_stat(ARGS);
2338 if (S_ISDIR(statcache.st_mode))
2345 I32 result = my_stat(ARGS);
2349 if (S_ISFIFO(statcache.st_mode))
2356 I32 result = my_lstat(ARGS);
2360 if (S_ISLNK(statcache.st_mode))
2369 I32 result = my_stat(ARGS);
2373 if (statcache.st_mode & S_ISUID)
2383 I32 result = my_stat(ARGS);
2387 if (statcache.st_mode & S_ISGID)
2397 I32 result = my_stat(ARGS);
2401 if (statcache.st_mode & S_ISVTX)
2412 char *tmps = Nullch;
2414 if (op->op_flags & OPf_REF)
2416 else if (isGV(TOPs))
2418 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2419 gv = (GV*)SvRV(POPs);
2421 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2423 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2424 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2425 else if (tmps && isDIGIT(*tmps))
2429 if (PerlLIO_isatty(fd))
2434 #if defined(atarist) /* this will work with atariST. Configure will
2435 make guesses for other systems. */
2436 # define FILE_base(f) ((f)->_base)
2437 # define FILE_ptr(f) ((f)->_ptr)
2438 # define FILE_cnt(f) ((f)->_cnt)
2439 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2449 register STDCHAR *s;
2454 if (op->op_flags & OPf_REF)
2456 else if (isGV(TOPs))
2458 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2459 gv = (GV*)SvRV(POPs);
2470 goto really_filename;
2476 sv_setpv(statname, "");
2479 if (io && IoIFP(io)) {
2480 if (! PerlIO_has_base(IoIFP(io)))
2481 DIE("-T and -B not implemented on filehandles");
2482 laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2483 if (laststatval < 0)
2485 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2486 if (op->op_type == OP_FTTEXT)
2490 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2491 i = PerlIO_getc(IoIFP(io));
2493 (void)PerlIO_ungetc(IoIFP(io),i);
2495 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2497 len = PerlIO_get_bufsiz(IoIFP(io));
2498 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2499 /* sfio can have large buffers - limit to 512 */
2505 warn("Test on unopened file <%s>",
2506 GvENAME(cGVOP->op_gv));
2507 SETERRNO(EBADF,RMS$_IFI);
2516 sv_setpv(statname, SvPV(sv, na));
2518 i = PerlLIO_open3(SvPV(sv, na), O_RDONLY, 0);
2520 i = PerlLIO_open(SvPV(sv, na), 0);
2523 if (dowarn && strchr(SvPV(sv, na), '\n'))
2524 warn(warn_nl, "open");
2527 laststatval = PerlLIO_fstat(i, &statcache);
2528 if (laststatval < 0)
2530 len = PerlLIO_read(i, tbuf, 512);
2531 (void)PerlLIO_close(i);
2533 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2534 RETPUSHNO; /* special case NFS directories */
2535 RETPUSHYES; /* null file is anything */
2540 /* now scan s to look for textiness */
2541 /* XXX ASCII dependent code */
2543 for (i = 0; i < len; i++, s++) {
2544 if (!*s) { /* null never allowed in text */
2551 *s != '\n' && *s != '\r' && *s != '\b' &&
2552 *s != '\t' && *s != '\f' && *s != 27)
2556 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2564 return pp_fttext(ARGS);
2579 if (!tmps || !*tmps) {
2580 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2582 tmps = SvPV(*svp, na);
2584 if (!tmps || !*tmps) {
2585 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2587 tmps = SvPV(*svp, na);
2590 if (!tmps || !*tmps) {
2591 svp = hv_fetch(GvHVn(envgv), "SYS$LOGIN", 9, FALSE);
2593 tmps = SvPV(*svp, na);
2596 TAINT_PROPER("chdir");
2597 PUSHi( PerlDir_chdir(tmps) >= 0 );
2599 /* Clear the DEFAULT element of ENV so we'll get the new value
2601 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2608 djSP; dMARK; dTARGET;
2611 value = (I32)apply(op->op_type, MARK, SP);
2616 DIE(no_func, "Unsupported function chown");
2626 TAINT_PROPER("chroot");
2627 PUSHi( chroot(tmps) >= 0 );
2630 DIE(no_func, "chroot");
2636 djSP; dMARK; dTARGET;
2638 value = (I32)apply(op->op_type, MARK, SP);
2646 djSP; dMARK; dTARGET;
2648 value = (I32)apply(op->op_type, MARK, SP);
2656 djSP; dMARK; dTARGET;
2658 value = (I32)apply(op->op_type, MARK, SP);
2670 char *tmps = SvPV(TOPs, na);
2671 TAINT_PROPER("rename");
2673 anum = rename(tmps, tmps2);
2675 if (!(anum = PerlLIO_stat(tmps, &statbuf))) {
2676 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2679 if (euid || PerlLIO_stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2680 (void)UNLINK(tmps2);
2681 if (!(anum = link(tmps, tmps2)))
2682 anum = UNLINK(tmps);
2695 char *tmps = SvPV(TOPs, na);
2696 TAINT_PROPER("link");
2697 SETi( link(tmps, tmps2) >= 0 );
2699 DIE(no_func, "Unsupported function link");
2709 char *tmps = SvPV(TOPs, na);
2710 TAINT_PROPER("symlink");
2711 SETi( symlink(tmps, tmps2) >= 0 );
2714 DIE(no_func, "symlink");
2723 char buf[MAXPATHLEN];
2726 #ifndef INCOMPLETE_TAINTS
2730 len = readlink(tmps, buf, sizeof buf);
2738 RETSETUNDEF; /* just pretend it's a normal file */
2742 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2744 dooneliner(cmd, filename)
2748 char *save_filename = filename;
2754 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2755 strcpy(cmdline, cmd);
2756 strcat(cmdline, " ");
2757 for (s = cmdline + strlen(cmdline); *filename; ) {
2762 myfp = PerlProc_popen(cmdline, "r");
2766 SV *tmpsv = sv_newmortal();
2767 /* Need to save/restore 'rs' ?? */
2768 s = sv_gets(tmpsv, myfp, 0);
2769 (void)PerlProc_pclose(myfp);
2773 #ifdef HAS_SYS_ERRLIST
2778 /* you don't see this */
2780 #ifdef HAS_SYS_ERRLIST
2788 if (instr(s, errmsg)) {
2795 #define EACCES EPERM
2797 if (instr(s, "cannot make"))
2798 SETERRNO(EEXIST,RMS$_FEX);
2799 else if (instr(s, "existing file"))
2800 SETERRNO(EEXIST,RMS$_FEX);
2801 else if (instr(s, "ile exists"))
2802 SETERRNO(EEXIST,RMS$_FEX);
2803 else if (instr(s, "non-exist"))
2804 SETERRNO(ENOENT,RMS$_FNF);
2805 else if (instr(s, "does not exist"))
2806 SETERRNO(ENOENT,RMS$_FNF);
2807 else if (instr(s, "not empty"))
2808 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2809 else if (instr(s, "cannot access"))
2810 SETERRNO(EACCES,RMS$_PRV);
2812 SETERRNO(EPERM,RMS$_PRV);
2815 else { /* some mkdirs return no failure indication */
2816 anum = (PerlLIO_stat(save_filename, &statbuf) >= 0);
2817 if (op->op_type == OP_RMDIR)
2822 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2838 char *tmps = SvPV(TOPs, na);
2840 TAINT_PROPER("mkdir");
2842 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
2844 SETi( dooneliner("mkdir", tmps) );
2845 oldumask = PerlLIO_umask(0);
2846 PerlLIO_umask(oldumask);
2847 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
2858 TAINT_PROPER("rmdir");
2860 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
2862 XPUSHi( dooneliner("rmdir", tmps) );
2867 /* Directory calls. */
2872 #if defined(Direntry_t) && defined(HAS_READDIR)
2873 char *dirname = POPp;
2875 register IO *io = GvIOn(gv);
2881 PerlDir_close(IoDIRP(io));
2882 if (!(IoDIRP(io) = PerlDir_open(dirname)))
2888 SETERRNO(EBADF,RMS$_DIR);
2891 DIE(no_dir_func, "opendir");
2898 #if defined(Direntry_t) && defined(HAS_READDIR)
2900 Direntry_t *readdir _((DIR *));
2902 register Direntry_t *dp;
2904 register IO *io = GvIOn(gv);
2907 if (!io || !IoDIRP(io))
2910 if (GIMME == G_ARRAY) {
2912 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
2914 sv = newSVpv(dp->d_name, dp->d_namlen);
2916 sv = newSVpv(dp->d_name, 0);
2918 #ifndef INCOMPLETE_TAINTS
2921 XPUSHs(sv_2mortal(sv));
2925 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
2928 sv = newSVpv(dp->d_name, dp->d_namlen);
2930 sv = newSVpv(dp->d_name, 0);
2932 #ifndef INCOMPLETE_TAINTS
2935 XPUSHs(sv_2mortal(sv));
2941 SETERRNO(EBADF,RMS$_ISI);
2942 if (GIMME == G_ARRAY)
2947 DIE(no_dir_func, "readdir");
2954 #if defined(HAS_TELLDIR) || defined(telldir)
2955 # ifdef NEED_TELLDIR_PROTO /* XXX does _anyone_ need this? --AD 2/20/1998 */
2956 long telldir _((DIR *));
2959 register IO *io = GvIOn(gv);
2961 if (!io || !IoDIRP(io))
2964 PUSHi( PerlDir_tell(IoDIRP(io)) );
2968 SETERRNO(EBADF,RMS$_ISI);
2971 DIE(no_dir_func, "telldir");
2978 #if defined(HAS_SEEKDIR) || defined(seekdir)
2981 register IO *io = GvIOn(gv);
2983 if (!io || !IoDIRP(io))
2986 (void)PerlDir_seek(IoDIRP(io), along);
2991 SETERRNO(EBADF,RMS$_ISI);
2994 DIE(no_dir_func, "seekdir");
3001 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3003 register IO *io = GvIOn(gv);
3005 if (!io || !IoDIRP(io))
3008 (void)PerlDir_rewind(IoDIRP(io));
3012 SETERRNO(EBADF,RMS$_ISI);
3015 DIE(no_dir_func, "rewinddir");
3022 #if defined(Direntry_t) && defined(HAS_READDIR)
3024 register IO *io = GvIOn(gv);
3026 if (!io || !IoDIRP(io))
3029 #ifdef VOID_CLOSEDIR
3030 PerlDir_close(IoDIRP(io));
3032 if (PerlDir_close(IoDIRP(io)) < 0) {
3033 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3042 SETERRNO(EBADF,RMS$_IFI);
3045 DIE(no_dir_func, "closedir");
3049 /* Process control. */
3064 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3065 sv_setiv(GvSV(tmpgv), (IV)getpid());
3066 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3071 DIE(no_func, "Unsupported function fork");
3077 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3082 childpid = wait4pid(-1, &argflags, 0);
3083 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3087 DIE(no_func, "Unsupported function wait");
3093 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3101 childpid = wait4pid(childpid, &argflags, optype);
3102 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3106 DIE(no_func, "Unsupported function waitpid");
3112 djSP; dMARK; dORIGMARK; dTARGET;
3117 Sigsave_t ihand,qhand; /* place to save signals during system() */
3119 if (SP - MARK == 1) {
3121 char *junk = SvPV(TOPs, na);
3123 TAINT_PROPER("system");
3126 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3127 while ((childpid = vfork()) == -1) {
3128 if (errno != EAGAIN) {
3137 rsignal_save(SIGINT, SIG_IGN, &ihand);
3138 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3140 result = wait4pid(childpid, &status, 0);
3141 } while (result == -1 && errno == EINTR);
3142 (void)rsignal_restore(SIGINT, &ihand);
3143 (void)rsignal_restore(SIGQUIT, &qhand);
3144 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3145 do_execfree(); /* free any memory child malloced on vfork */
3147 PUSHi(STATUS_CURRENT);
3150 if (op->op_flags & OPf_STACKED) {
3151 SV *really = *++MARK;
3152 value = (I32)do_aexec(really, MARK, SP);
3154 else if (SP - MARK != 1)
3155 value = (I32)do_aexec(Nullsv, MARK, SP);
3157 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3160 #else /* ! FORK or VMS or OS/2 */
3161 if (op->op_flags & OPf_STACKED) {
3162 SV *really = *++MARK;
3163 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3165 else if (SP - MARK != 1)
3166 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3168 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3170 STATUS_NATIVE_SET(value);
3173 PUSHi(STATUS_CURRENT);
3174 #endif /* !FORK or VMS */
3180 djSP; dMARK; dORIGMARK; dTARGET;
3183 if (op->op_flags & OPf_STACKED) {
3184 SV *really = *++MARK;
3185 value = (I32)do_aexec(really, MARK, SP);
3187 else if (SP - MARK != 1)
3189 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3191 value = (I32)do_aexec(Nullsv, MARK, SP);
3195 char *junk = SvPV(*SP, na);
3197 TAINT_PROPER("exec");
3200 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3202 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3212 djSP; dMARK; dTARGET;
3215 value = (I32)apply(op->op_type, MARK, SP);
3220 DIE(no_func, "Unsupported function kill");
3228 XPUSHi( getppid() );
3231 DIE(no_func, "getppid");
3247 value = (I32)BSD_GETPGRP(pid);
3249 if (pid != 0 && pid != getpid())
3250 DIE("POSIX getpgrp can't take an argument");
3251 value = (I32)getpgrp();
3256 DIE(no_func, "getpgrp()");
3275 TAINT_PROPER("setpgrp");
3277 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3279 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3280 DIE("POSIX setpgrp can't take an argument");
3281 SETi( setpgrp() >= 0 );
3282 #endif /* USE_BSDPGRP */
3285 DIE(no_func, "setpgrp()");
3294 #ifdef HAS_GETPRIORITY
3297 SETi( getpriority(which, who) );
3300 DIE(no_func, "getpriority()");
3310 #ifdef HAS_SETPRIORITY
3314 TAINT_PROPER("setpriority");
3315 SETi( setpriority(which, who, niceval) >= 0 );
3318 DIE(no_func, "setpriority()");
3328 XPUSHn( time(Null(Time_t*)) );
3330 XPUSHi( time(Null(Time_t*)) );
3335 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3336 to HZ. Probably. For now, assume that if the system
3337 defines HZ, it does so correctly. (Will this break
3339 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3340 it's supported. --AD 9/96.
3356 DIE("times not implemented");
3361 (void)PerlProc_times(×buf);
3363 (void)PerlProc_times((tbuffer_t *)×buf); /* time.h uses different name for */
3364 /* struct tms, though same data */
3368 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3369 if (GIMME == G_ARRAY) {
3370 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3371 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3372 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3375 #endif /* HAS_TIMES */
3380 return pp_gmtime(ARGS);
3388 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3389 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3390 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3396 when = (Time_t)SvNVx(POPs);
3398 when = (Time_t)SvIVx(POPs);
3401 if (op->op_type == OP_LOCALTIME)
3402 tmbuf = localtime(&when);
3404 tmbuf = gmtime(&when);
3408 if (GIMME != G_ARRAY) {
3413 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3414 dayname[tmbuf->tm_wday],
3415 monname[tmbuf->tm_mon],
3420 tmbuf->tm_year + 1900);
3421 PUSHs(sv_2mortal(tsv));
3424 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3425 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3426 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3427 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3428 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3429 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3430 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3431 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3432 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3443 anum = alarm((unsigned int)anum);
3450 DIE(no_func, "Unsupported function alarm");
3461 (void)time(&lasttime);
3466 PerlProc_sleep((unsigned int)duration);
3469 XPUSHi(when - lasttime);
3473 /* Shared memory. */
3477 return pp_semget(ARGS);
3482 return pp_semctl(ARGS);
3487 return pp_shmwrite(ARGS);
3492 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3493 djSP; dMARK; dTARGET;
3494 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3499 return pp_semget(ARGS);
3503 /* Message passing. */
3507 return pp_semget(ARGS);
3512 return pp_semctl(ARGS);
3517 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3518 djSP; dMARK; dTARGET;
3519 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3524 return pp_semget(ARGS);
3530 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3531 djSP; dMARK; dTARGET;
3532 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3537 return pp_semget(ARGS);
3545 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3546 djSP; dMARK; dTARGET;
3547 int anum = do_ipcget(op->op_type, MARK, SP);
3554 DIE("System V IPC is not implemented on this machine");
3560 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3561 djSP; dMARK; dTARGET;
3562 int anum = do_ipcctl(op->op_type, MARK, SP);
3570 PUSHp(zero_but_true, ZBTLEN);
3574 return pp_semget(ARGS);
3580 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3581 djSP; dMARK; dTARGET;
3582 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3587 return pp_semget(ARGS);
3591 /* Get system info. */
3595 #ifdef HAS_GETHOSTBYNAME
3596 return pp_ghostent(ARGS);
3598 DIE(no_sock_func, "gethostbyname");
3604 #ifdef HAS_GETHOSTBYADDR
3605 return pp_ghostent(ARGS);
3607 DIE(no_sock_func, "gethostbyaddr");
3614 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
3615 I32 which = op->op_type;
3616 register char **elem;
3618 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
3619 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
3620 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
3621 struct hostent *PerlSock_gethostent(void);
3623 struct hostent *hent;
3627 if (which == OP_GHBYNAME)
3628 #ifdef HAS_GETHOSTBYNAME
3629 hent = PerlSock_gethostbyname(POPp);
3631 DIE(no_sock_func, "gethostbyname");
3633 else if (which == OP_GHBYADDR) {
3634 #ifdef HAS_GETHOSTBYADDR
3635 int addrtype = POPi;
3638 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
3640 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
3642 DIE(no_sock_func, "gethostbyaddr");
3646 #ifdef HAS_GETHOSTENT
3647 hent = PerlSock_gethostent();
3649 DIE(no_sock_func, "gethostent");
3652 #ifdef HOST_NOT_FOUND
3654 STATUS_NATIVE_SET(h_errno);
3657 if (GIMME != G_ARRAY) {
3658 PUSHs(sv = sv_newmortal());
3660 if (which == OP_GHBYNAME) {
3662 sv_setpvn(sv, hent->h_addr, hent->h_length);
3665 sv_setpv(sv, (char*)hent->h_name);
3671 PUSHs(sv = sv_mortalcopy(&sv_no));
3672 sv_setpv(sv, (char*)hent->h_name);
3673 PUSHs(sv = sv_mortalcopy(&sv_no));
3674 for (elem = hent->h_aliases; elem && *elem; elem++) {
3675 sv_catpv(sv, *elem);
3677 sv_catpvn(sv, " ", 1);
3679 PUSHs(sv = sv_mortalcopy(&sv_no));
3680 sv_setiv(sv, (IV)hent->h_addrtype);
3681 PUSHs(sv = sv_mortalcopy(&sv_no));
3682 len = hent->h_length;
3683 sv_setiv(sv, (IV)len);
3685 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3686 XPUSHs(sv = sv_mortalcopy(&sv_no));
3687 sv_setpvn(sv, *elem, len);
3690 PUSHs(sv = sv_mortalcopy(&sv_no));
3692 sv_setpvn(sv, hent->h_addr, len);
3697 DIE(no_sock_func, "gethostent");
3703 #ifdef HAS_GETNETBYNAME
3704 return pp_gnetent(ARGS);
3706 DIE(no_sock_func, "getnetbyname");
3712 #ifdef HAS_GETNETBYADDR
3713 return pp_gnetent(ARGS);
3715 DIE(no_sock_func, "getnetbyaddr");
3722 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
3723 I32 which = op->op_type;
3724 register char **elem;
3726 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
3727 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
3728 struct netent *PerlSock_getnetbyname(Netdb_name_t);
3729 struct netent *PerlSock_getnetent(void);
3731 struct netent *nent;
3733 if (which == OP_GNBYNAME)
3734 #ifdef HAS_GETNETBYNAME
3735 nent = PerlSock_getnetbyname(POPp);
3737 DIE(no_sock_func, "getnetbyname");
3739 else if (which == OP_GNBYADDR) {
3740 #ifdef HAS_GETNETBYADDR
3741 int addrtype = POPi;
3742 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
3743 nent = PerlSock_getnetbyaddr(addr, addrtype);
3745 DIE(no_sock_func, "getnetbyaddr");
3749 #ifdef HAS_GETNETENT
3750 nent = PerlSock_getnetent();
3752 DIE(no_sock_func, "getnetent");
3756 if (GIMME != G_ARRAY) {
3757 PUSHs(sv = sv_newmortal());
3759 if (which == OP_GNBYNAME)
3760 sv_setiv(sv, (IV)nent->n_net);
3762 sv_setpv(sv, nent->n_name);
3768 PUSHs(sv = sv_mortalcopy(&sv_no));
3769 sv_setpv(sv, nent->n_name);
3770 PUSHs(sv = sv_mortalcopy(&sv_no));
3771 for (elem = nent->n_aliases; elem && *elem; elem++) {
3772 sv_catpv(sv, *elem);
3774 sv_catpvn(sv, " ", 1);
3776 PUSHs(sv = sv_mortalcopy(&sv_no));
3777 sv_setiv(sv, (IV)nent->n_addrtype);
3778 PUSHs(sv = sv_mortalcopy(&sv_no));
3779 sv_setiv(sv, (IV)nent->n_net);
3784 DIE(no_sock_func, "getnetent");
3790 #ifdef HAS_GETPROTOBYNAME
3791 return pp_gprotoent(ARGS);
3793 DIE(no_sock_func, "getprotobyname");
3799 #ifdef HAS_GETPROTOBYNUMBER
3800 return pp_gprotoent(ARGS);
3802 DIE(no_sock_func, "getprotobynumber");
3809 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
3810 I32 which = op->op_type;
3811 register char **elem;
3813 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
3814 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
3815 struct protoent *PerlSock_getprotobynumber(int);
3816 struct protoent *PerlSock_getprotoent(void);
3818 struct protoent *pent;
3820 if (which == OP_GPBYNAME)
3821 #ifdef HAS_GETPROTOBYNAME
3822 pent = PerlSock_getprotobyname(POPp);
3824 DIE(no_sock_func, "getprotobyname");
3826 else if (which == OP_GPBYNUMBER)
3827 #ifdef HAS_GETPROTOBYNUMBER
3828 pent = PerlSock_getprotobynumber(POPi);
3830 DIE(no_sock_func, "getprotobynumber");
3833 #ifdef HAS_GETPROTOENT
3834 pent = PerlSock_getprotoent();
3836 DIE(no_sock_func, "getprotoent");
3840 if (GIMME != G_ARRAY) {
3841 PUSHs(sv = sv_newmortal());
3843 if (which == OP_GPBYNAME)
3844 sv_setiv(sv, (IV)pent->p_proto);
3846 sv_setpv(sv, pent->p_name);
3852 PUSHs(sv = sv_mortalcopy(&sv_no));
3853 sv_setpv(sv, pent->p_name);
3854 PUSHs(sv = sv_mortalcopy(&sv_no));
3855 for (elem = pent->p_aliases; elem && *elem; elem++) {
3856 sv_catpv(sv, *elem);
3858 sv_catpvn(sv, " ", 1);
3860 PUSHs(sv = sv_mortalcopy(&sv_no));
3861 sv_setiv(sv, (IV)pent->p_proto);
3866 DIE(no_sock_func, "getprotoent");
3872 #ifdef HAS_GETSERVBYNAME
3873 return pp_gservent(ARGS);
3875 DIE(no_sock_func, "getservbyname");
3881 #ifdef HAS_GETSERVBYPORT
3882 return pp_gservent(ARGS);
3884 DIE(no_sock_func, "getservbyport");
3891 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
3892 I32 which = op->op_type;
3893 register char **elem;
3895 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
3896 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
3897 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
3898 struct servent *PerlSock_getservent(void);
3900 struct servent *sent;
3902 if (which == OP_GSBYNAME) {
3903 #ifdef HAS_GETSERVBYNAME
3907 if (proto && !*proto)
3910 sent = PerlSock_getservbyname(name, proto);
3912 DIE(no_sock_func, "getservbyname");
3915 else if (which == OP_GSBYPORT) {
3916 #ifdef HAS_GETSERVBYPORT
3918 unsigned short port = POPu;
3921 port = PerlSock_htons(port);
3923 sent = PerlSock_getservbyport(port, proto);
3925 DIE(no_sock_func, "getservbyport");
3929 #ifdef HAS_GETSERVENT
3930 sent = PerlSock_getservent();
3932 DIE(no_sock_func, "getservent");
3936 if (GIMME != G_ARRAY) {
3937 PUSHs(sv = sv_newmortal());
3939 if (which == OP_GSBYNAME) {
3941 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
3943 sv_setiv(sv, (IV)(sent->s_port));
3947 sv_setpv(sv, sent->s_name);
3953 PUSHs(sv = sv_mortalcopy(&sv_no));
3954 sv_setpv(sv, sent->s_name);
3955 PUSHs(sv = sv_mortalcopy(&sv_no));
3956 for (elem = sent->s_aliases; elem && *elem; elem++) {
3957 sv_catpv(sv, *elem);
3959 sv_catpvn(sv, " ", 1);
3961 PUSHs(sv = sv_mortalcopy(&sv_no));
3963 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
3965 sv_setiv(sv, (IV)(sent->s_port));
3967 PUSHs(sv = sv_mortalcopy(&sv_no));
3968 sv_setpv(sv, sent->s_proto);
3973 DIE(no_sock_func, "getservent");
3980 #ifdef HAS_SETHOSTENT
3981 PerlSock_sethostent(TOPi);
3984 DIE(no_sock_func, "sethostent");
3991 #ifdef HAS_SETNETENT
3992 PerlSock_setnetent(TOPi);
3995 DIE(no_sock_func, "setnetent");
4002 #ifdef HAS_SETPROTOENT
4003 PerlSock_setprotoent(TOPi);
4006 DIE(no_sock_func, "setprotoent");
4013 #ifdef HAS_SETSERVENT
4014 PerlSock_setservent(TOPi);
4017 DIE(no_sock_func, "setservent");
4024 #ifdef HAS_ENDHOSTENT
4025 PerlSock_endhostent();
4029 DIE(no_sock_func, "endhostent");
4036 #ifdef HAS_ENDNETENT
4037 PerlSock_endnetent();
4041 DIE(no_sock_func, "endnetent");
4048 #ifdef HAS_ENDPROTOENT
4049 PerlSock_endprotoent();
4053 DIE(no_sock_func, "endprotoent");
4060 #ifdef HAS_ENDSERVENT
4061 PerlSock_endservent();
4065 DIE(no_sock_func, "endservent");
4072 return pp_gpwent(ARGS);
4074 DIE(no_func, "getpwnam");
4081 return pp_gpwent(ARGS);
4083 DIE(no_func, "getpwuid");
4091 I32 which = op->op_type;
4093 struct passwd *pwent;
4095 if (which == OP_GPWNAM)
4096 pwent = getpwnam(POPp);
4097 else if (which == OP_GPWUID)
4098 pwent = getpwuid(POPi);
4100 pwent = (struct passwd *)getpwent();
4103 if (GIMME != G_ARRAY) {
4104 PUSHs(sv = sv_newmortal());
4106 if (which == OP_GPWNAM)
4107 sv_setiv(sv, (IV)pwent->pw_uid);
4109 sv_setpv(sv, pwent->pw_name);
4115 PUSHs(sv = sv_mortalcopy(&sv_no));
4116 sv_setpv(sv, pwent->pw_name);
4118 PUSHs(sv = sv_mortalcopy(&sv_no));
4119 sv_setpv(sv, pwent->pw_passwd);
4121 PUSHs(sv = sv_mortalcopy(&sv_no));
4122 sv_setiv(sv, (IV)pwent->pw_uid);
4124 PUSHs(sv = sv_mortalcopy(&sv_no));
4125 sv_setiv(sv, (IV)pwent->pw_gid);
4127 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4128 PUSHs(sv = sv_mortalcopy(&sv_no));
4130 sv_setiv(sv, (IV)pwent->pw_change);
4133 sv_setiv(sv, (IV)pwent->pw_quota);
4136 sv_setpv(sv, pwent->pw_age);
4141 /* pw_class and pw_comment are mutually exclusive. */
4142 PUSHs(sv = sv_mortalcopy(&sv_no));
4144 sv_setpv(sv, pwent->pw_class);
4147 sv_setpv(sv, pwent->pw_comment);
4151 PUSHs(sv = sv_mortalcopy(&sv_no));
4153 sv_setpv(sv, pwent->pw_gecos);
4155 #ifndef INCOMPLETE_TAINTS
4156 /* pw_gecos is tainted because user himself can diddle with it. */
4160 PUSHs(sv = sv_mortalcopy(&sv_no));
4161 sv_setpv(sv, pwent->pw_dir);
4163 PUSHs(sv = sv_mortalcopy(&sv_no));
4164 sv_setpv(sv, pwent->pw_shell);
4167 PUSHs(sv = sv_mortalcopy(&sv_no));
4168 sv_setiv(sv, (IV)pwent->pw_expire);
4173 DIE(no_func, "getpwent");
4180 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4184 DIE(no_func, "setpwent");
4195 DIE(no_func, "endpwent");
4202 return pp_ggrent(ARGS);
4204 DIE(no_func, "getgrnam");
4211 return pp_ggrent(ARGS);
4213 DIE(no_func, "getgrgid");
4221 I32 which = op->op_type;
4222 register char **elem;
4224 struct group *grent;
4226 if (which == OP_GGRNAM)
4227 grent = (struct group *)getgrnam(POPp);
4228 else if (which == OP_GGRGID)
4229 grent = (struct group *)getgrgid(POPi);
4231 grent = (struct group *)getgrent();
4234 if (GIMME != G_ARRAY) {
4235 PUSHs(sv = sv_newmortal());
4237 if (which == OP_GGRNAM)
4238 sv_setiv(sv, (IV)grent->gr_gid);
4240 sv_setpv(sv, grent->gr_name);
4246 PUSHs(sv = sv_mortalcopy(&sv_no));
4247 sv_setpv(sv, grent->gr_name);
4248 PUSHs(sv = sv_mortalcopy(&sv_no));
4249 sv_setpv(sv, grent->gr_passwd);
4250 PUSHs(sv = sv_mortalcopy(&sv_no));
4251 sv_setiv(sv, (IV)grent->gr_gid);
4252 PUSHs(sv = sv_mortalcopy(&sv_no));
4253 for (elem = grent->gr_mem; elem && *elem; elem++) {
4254 sv_catpv(sv, *elem);
4256 sv_catpvn(sv, " ", 1);
4262 DIE(no_func, "getgrent");
4273 DIE(no_func, "setgrent");
4284 DIE(no_func, "endgrent");
4294 if (!(tmps = PerlProc_getlogin()))
4296 PUSHp(tmps, strlen(tmps));
4299 DIE(no_func, "getlogin");
4303 /* Miscellaneous. */
4308 djSP; dMARK; dORIGMARK; dTARGET;
4309 register I32 items = SP - MARK;
4310 unsigned long a[20];
4316 while (++MARK <= SP) {
4317 if (SvTAINTED(*MARK)) {
4323 TAINT_PROPER("syscall");
4326 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4327 * or where sizeof(long) != sizeof(char*). But such machines will
4328 * not likely have syscall implemented either, so who cares?
4330 while (++MARK <= SP) {
4331 if (SvNIOK(*MARK) || !i)
4332 a[i++] = SvIV(*MARK);
4333 else if (*MARK == &sv_undef)
4336 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4342 DIE("Too many args to syscall");
4344 DIE("Too few args to syscall");
4346 retval = syscall(a[0]);
4349 retval = syscall(a[0],a[1]);
4352 retval = syscall(a[0],a[1],a[2]);
4355 retval = syscall(a[0],a[1],a[2],a[3]);
4358 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4361 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4364 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4367 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4371 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4374 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4377 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4381 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4385 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4389 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4390 a[10],a[11],a[12],a[13]);
4392 #endif /* atarist */
4398 DIE(no_func, "syscall");
4402 #ifdef FCNTL_EMULATE_FLOCK
4404 /* XXX Emulate flock() with fcntl().
4405 What's really needed is a good file locking module.
4409 fcntl_emulate_flock(int fd, int operation)
4413 switch (operation & ~LOCK_NB) {
4415 flock.l_type = F_RDLCK;
4418 flock.l_type = F_WRLCK;
4421 flock.l_type = F_UNLCK;
4427 flock.l_whence = SEEK_SET;
4428 flock.l_start = flock.l_len = 0L;
4430 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4433 #endif /* FCNTL_EMULATE_FLOCK */
4435 #ifdef LOCKF_EMULATE_FLOCK
4437 /* XXX Emulate flock() with lockf(). This is just to increase
4438 portability of scripts. The calls are not completely
4439 interchangeable. What's really needed is a good file
4443 /* The lockf() constants might have been defined in <unistd.h>.
4444 Unfortunately, <unistd.h> causes troubles on some mixed
4445 (BSD/POSIX) systems, such as SunOS 4.1.3.
4447 Further, the lockf() constants aren't POSIX, so they might not be
4448 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4449 just stick in the SVID values and be done with it. Sigh.
4453 # define F_ULOCK 0 /* Unlock a previously locked region */
4456 # define F_LOCK 1 /* Lock a region for exclusive use */
4459 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4462 # define F_TEST 3 /* Test a region for other processes locks */
4466 lockf_emulate_flock (fd, operation)
4474 /* flock locks entire file so for lockf we need to do the same */
4476 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4477 if (pos > 0) /* is seekable and needs to be repositioned */
4478 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4479 pos = -1; /* seek failed, so don't seek back afterwards */
4482 switch (operation) {
4484 /* LOCK_SH - get a shared lock */
4486 /* LOCK_EX - get an exclusive lock */
4488 i = lockf (fd, F_LOCK, 0);
4491 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4492 case LOCK_SH|LOCK_NB:
4493 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4494 case LOCK_EX|LOCK_NB:
4495 i = lockf (fd, F_TLOCK, 0);
4497 if ((errno == EAGAIN) || (errno == EACCES))
4498 errno = EWOULDBLOCK;
4501 /* LOCK_UN - unlock (non-blocking is a no-op) */
4503 case LOCK_UN|LOCK_NB:
4504 i = lockf (fd, F_ULOCK, 0);
4507 /* Default - can't decipher operation */
4514 if (pos > 0) /* need to restore position of the handle */
4515 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4520 #endif /* LOCKF_EMULATE_FLOCK */