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. */
26 # include <sys/wait.h>
30 # include <sys/resource.h>
33 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
34 # include <sys/socket.h>
38 # include <net/errno.h>
45 #include <sys/select.h>
57 struct passwd *getpwnam _((char *));
58 struct passwd *getpwuid _((Uid_t));
60 struct passwd *getpwent _((void));
67 struct group *getgrnam _((char *));
68 struct group *getgrgid _((Gid_t));
70 struct group *getgrent _((void));
75 # include <sys/utime.h>
87 /* Put this after #includes because fork and vfork prototypes may conflict. */
92 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
94 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
95 # define Sock_size_t Size_t
97 # define Sock_size_t int
101 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
102 static int dooneliner _((char *cmd, char *filename));
106 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
109 # define my_chsize chsize
114 #else /* no flock() */
116 /* fcntl.h might not have been included, even if it exists, because
117 the current Configure only sets I_FCNTL if it's needed to pick up
118 the *_OK constants. Make sure it has been included before testing
119 the fcntl() locking constants. */
120 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
124 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
125 # define FLOCK fcntl_emulate_flock
126 # define FCNTL_EMULATE_FLOCK
127 # else /* no flock() or fcntl(F_SETLK,...) */
129 # define FLOCK lockf_emulate_flock
130 # define LOCKF_EMULATE_FLOCK
132 # endif /* no flock() or fcntl(F_SETLK,...) */
135 static int FLOCK _((int, int));
138 * These are the flock() constants. Since this sytems doesn't have
139 * flock(), the values of the constants are probably not available.
153 # endif /* emulating flock() */
155 #endif /* no flock() */
159 # define MAXPATHLEN PATH_MAX
161 # define MAXPATHLEN 1024
166 static char zero_but_true[ZBTLEN + 1] = "0 but true";
178 fp = my_popen(tmps, "r");
180 if (gimme == G_VOID) {
182 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
186 else if (gimme == G_SCALAR) {
187 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
188 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
199 if (sv_gets(sv, fp, 0) == Nullch) {
203 XPUSHs(sv_2mortal(sv));
204 if (SvLEN(sv) - SvCUR(sv) > 20) {
205 SvLEN_set(sv, SvCUR(sv)+1);
206 Renew(SvPVX(sv), SvLEN(sv), char);
211 STATUS_NATIVE_SET(my_pclose(fp));
212 TAINT; /* "I believe that this is not gratuitous!" */
215 STATUS_NATIVE_SET(-1);
216 if (gimme == G_SCALAR)
231 * The external globbing program may use things we can't control,
232 * so for security reasons we must assume the worst.
235 taint_proper(no_security, "glob");
239 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
240 last_in_gv = (GV*)*stack_sp--;
242 SAVESPTR(rs); /* This is not permanent, either. */
243 rs = sv_2mortal(newSVpv("", 1));
250 result = do_readline();
257 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
258 return do_readline();
263 last_in_gv = cGVOP->op_gv;
264 return do_readline();
271 if (SP - MARK != 1) {
273 do_join(TARG, &sv_no, MARK, SP);
274 tmps = SvPV(TARG, na);
278 tmps = SvPV(TOPs, na);
280 if (!tmps || !*tmps) {
281 SV *error = GvSV(errgv);
282 (void)SvUPGRADE(error, SVt_PV);
283 if (SvPOK(error) && SvCUR(error))
284 sv_catpv(error, "\t...caught");
285 tmps = SvPV(error, na);
288 tmps = "Warning: something's wrong";
297 if (SP - MARK != 1) {
299 do_join(TARG, &sv_no, MARK, SP);
300 tmps = SvPV(TARG, na);
304 tmps = SvPV(TOPs, na);
306 if (!tmps || !*tmps) {
307 SV *error = GvSV(errgv);
308 (void)SvUPGRADE(error, SVt_PV);
309 if (SvPOK(error) && SvCUR(error))
310 sv_catpv(error, "\t...propagated");
311 tmps = SvPV(error, na);
331 DIE(no_usym, "filehandle");
336 DIE(no_usym, "filehandle");
338 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
339 tmps = SvPV(sv, len);
340 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp))
341 PUSHi( (I32)forkprocess );
342 else if (forkprocess == 0) /* we are a new child */
359 PUSHs(boolSV(do_close(gv, TRUE)));
379 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
380 DIE(no_usym, "filehandle");
385 do_close(rgv, FALSE);
387 do_close(wgv, FALSE);
392 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
393 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
394 IoIFP(wstio) = IoOFP(wstio);
398 if (!IoIFP(rstio) || !IoOFP(wstio)) {
399 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
401 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
411 DIE(no_func, "pipe");
424 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
426 PUSHi(PerlIO_fileno(fp));
442 TAINT_PROPER("umask");
445 DIE(no_func, "Unsupported function umask");
463 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
468 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
473 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1) {
474 #if defined(WIN32) && defined(__BORLANDC__)
475 /* The translation mode of the stream is maintained independent
476 * of the translation mode of the fd in the Borland RTL (heavy
477 * digging through their runtime sources reveal). User has to
478 * set the mode explicitly for the stream (though they don't
479 * document this anywhere). GSAR 97-5-24
481 PerlIO_seek(fp,0L,0);
490 #if defined(USEMYBINMODE)
491 if (my_binmode(fp,IoTYPE(io)) != NULL)
510 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
511 I32 markoff = mark - stack_base - 1;
513 bool oldcatch = CATCH_GET;
516 if (SvTYPE(varsv) == SVt_PVHV)
517 methname = "TIEHASH";
518 else if (SvTYPE(varsv) == SVt_PVAV)
519 methname = "TIEARRAY";
520 else if (SvTYPE(varsv) == SVt_PVGV)
521 methname = "TIEHANDLE";
523 methname = "TIESCALAR";
525 stash = gv_stashsv(mark[1], FALSE);
526 if (!stash || !(gv = gv_fetchmethod(stash, methname)))
527 DIE("Can't locate object method \"%s\" via package \"%s\"",
528 methname, SvPV(mark[1],na));
530 Zero(&myop, 1, BINOP);
531 myop.op_last = (OP *) &myop;
532 myop.op_next = Nullop;
533 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
539 if (PERLDB_SUB && curstash != debstash)
540 op->op_private |= OPpENTERSUB_DB;
542 XPUSHs((SV*)GvCV(gv));
545 if (op = pp_entersub(ARGS))
551 if (sv_isobject(sv)) {
552 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
553 sv_unmagic(varsv, 'P');
554 sv_magic(varsv, sv, 'P', Nullch, 0);
557 sv_unmagic(varsv, 'q');
558 sv_magic(varsv, sv, 'q', Nullch, 0);
562 SP = stack_base + markoff;
577 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
578 mg = mg_find(sv, 'P') ;
580 mg = mg_find(sv, 'q') ;
582 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
583 warn("untie attempted while %lu inner references still exist",
584 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
588 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
603 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
604 mg = mg_find(sv, 'P') ;
606 mg = mg_find(sv, 'q') ;
609 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
626 bool oldcatch = CATCH_GET;
630 sv = sv_mortalcopy(&sv_no);
631 sv_setpv(sv, "AnyDBM_File");
632 stash = gv_stashsv(sv, FALSE);
633 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
635 perl_require_pv("AnyDBM_File.pm");
637 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
638 DIE("No dbm on this machine");
641 Zero(&myop, 1, BINOP);
642 myop.op_last = (OP *) &myop;
643 myop.op_next = Nullop;
644 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
650 if (PERLDB_SUB && curstash != debstash)
651 op->op_private |= OPpENTERSUB_DB;
659 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
661 PUSHs(sv_2mortal(newSViv(O_RDWR)));
663 PUSHs((SV*)GvCV(gv));
666 if (op = pp_entersub(ARGS))
670 if (!sv_isobject(TOPs)) {
678 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
680 PUSHs((SV*)GvCV(gv));
683 if (op = pp_entersub(ARGS))
689 if (sv_isobject(TOPs))
690 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
697 return pp_untie(ARGS);
711 struct timeval timebuf;
712 struct timeval *tbuf = &timebuf;
715 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
720 # if BYTEORDER & 0xf0000
721 # define ORDERBYTE (0x88888888 - BYTEORDER)
723 # define ORDERBYTE (0x4444 - BYTEORDER)
729 for (i = 1; i <= 3; i++) {
737 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
738 #if defined(__linux__) || defined(OS2)
739 growsize = sizeof(fd_set);
741 growsize = maxlen; /* little endians can use vecs directly */
750 masksize = NFDBITS / NBBY;
752 masksize = sizeof(long); /* documented int, everyone seems to use long */
754 growsize = maxlen + (masksize - (maxlen % masksize));
755 Zero(&fd_sets[0], 4, char*);
763 timebuf.tv_sec = (long)value;
764 value -= (double)timebuf.tv_sec;
765 timebuf.tv_usec = (long)(value * 1000000.0);
768 tbuf = Null(struct timeval*);
770 for (i = 1; i <= 3; i++) {
777 SvPV_force(sv,na); /* force string conversion */
780 Sv_Grow(sv, growsize);
784 while (++j <= growsize) {
788 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
790 New(403, fd_sets[i], growsize, char);
791 for (offset = 0; offset < growsize; offset += masksize) {
792 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
793 fd_sets[i][j+offset] = s[(k % masksize) + offset];
796 fd_sets[i] = SvPVX(sv);
802 (Select_fd_set_t) fd_sets[1],
803 (Select_fd_set_t) fd_sets[2],
804 (Select_fd_set_t) fd_sets[3],
806 for (i = 1; i <= 3; i++) {
809 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
811 for (offset = 0; offset < growsize; offset += masksize) {
812 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
813 s[(k % masksize) + offset] = fd_sets[i][j+offset];
815 Safefree(fd_sets[i]);
822 if (GIMME == G_ARRAY && tbuf) {
823 value = (double)(timebuf.tv_sec) +
824 (double)(timebuf.tv_usec) / 1000000.0;
825 PUSHs(sv = sv_mortalcopy(&sv_no));
830 DIE("select not implemented");
840 (void)SvREFCNT_inc(gv);
842 SvREFCNT_dec(defoutgv);
852 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
854 egv = GvEGV(defoutgv);
861 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
862 if (gvp && *gvp == egv) {
863 gv_efullname3(TARG, defoutgv, Nullch);
867 XPUSHs(sv_2mortal(newRV((SV*)egv)));
872 if (!GvIO(newdefout))
874 setdefout(newdefout);
893 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
899 perl_call_method("GETC", gimme);
902 if (gimme == G_SCALAR)
903 SvSetMagicSV_nosteal(TARG, TOPs);
906 if (!gv || do_eof(gv)) /* make sure we have fp with something */
910 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
917 return pp_sysread(ARGS);
927 register CONTEXT *cx;
929 AV* padlist = CvPADLIST(cv);
930 SV** svp = AvARRAY(padlist);
936 PUSHBLOCK(cx, CXt_SUB, stack_sp);
939 curpad = AvARRAY((AV*)svp[1]);
941 setdefout(gv); /* locally select filehandle so $% et al work */
973 SV *tmpsv = sv_newmortal();
974 gv_efullname3(tmpsv, fgv, Nullch);
975 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
977 DIE("Not a format reference");
980 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
982 IoFLAGS(io) &= ~IOf_DIDTOP;
983 return doform(cv,gv,op->op_next);
989 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
990 register IO *io = GvIOp(gv);
991 PerlIO *ofp = IoOFP(io);
995 register CONTEXT *cx;
997 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
998 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
999 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
1000 formtarget != toptarget)
1004 if (!IoTOP_GV(io)) {
1008 if (!IoTOP_NAME(io)) {
1009 if (!IoFMT_NAME(io))
1010 IoFMT_NAME(io) = savepv(GvNAME(gv));
1011 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1012 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1013 if ((topgv && GvFORM(topgv)) ||
1014 !gv_fetchpv("top",FALSE,SVt_PVFM))
1015 IoTOP_NAME(io) = savepv(SvPVX(topname));
1017 IoTOP_NAME(io) = savepv("top");
1019 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1020 if (!topgv || !GvFORM(topgv)) {
1021 IoLINES_LEFT(io) = 100000000;
1024 IoTOP_GV(io) = topgv;
1026 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1027 I32 lines = IoLINES_LEFT(io);
1028 char *s = SvPVX(formtarget);
1029 if (lines <= 0) /* Yow, header didn't even fit!!! */
1031 while (lines-- > 0) {
1032 s = strchr(s, '\n');
1038 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1039 sv_chop(formtarget, s);
1040 FmLINES(formtarget) -= IoLINES_LEFT(io);
1043 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1044 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1045 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1047 formtarget = toptarget;
1048 IoFLAGS(io) |= IOf_DIDTOP;
1051 DIE("bad top format reference");
1054 SV *tmpsv = sv_newmortal();
1055 gv_efullname3(tmpsv, fgv, Nullch);
1056 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1059 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1060 return doform(cv,gv,op);
1072 warn("Filehandle only opened for input");
1074 warn("Write on closed filehandle");
1079 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1081 warn("page overflow");
1083 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1087 FmLINES(formtarget) = 0;
1088 SvCUR_set(formtarget, 0);
1089 *SvEND(formtarget) = '\0';
1090 if (IoFLAGS(io) & IOf_FLUSH)
1091 (void)PerlIO_flush(fp);
1095 formtarget = bodytarget;
1097 return pop_return();
1102 dSP; dMARK; dORIGMARK;
1109 if (op->op_flags & OPf_STACKED)
1114 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1115 if (MARK == ORIGMARK) {
1118 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1125 perl_call_method("PRINTF", G_SCALAR);
1128 MARK = ORIGMARK + 1;
1135 if (!(io = GvIO(gv))) {
1137 gv_fullname3(sv, gv, Nullch);
1138 warn("Filehandle %s never opened", SvPV(sv,na));
1140 SETERRNO(EBADF,RMS$_IFI);
1143 else if (!(fp = IoOFP(io))) {
1145 gv_fullname3(sv, gv, Nullch);
1147 warn("Filehandle %s opened only for input", SvPV(sv,na));
1149 warn("printf on closed filehandle %s", SvPV(sv,na));
1151 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1155 #ifdef USE_LOCALE_NUMERIC
1156 if (op->op_private & OPpLOCALE)
1157 SET_NUMERIC_LOCAL();
1159 SET_NUMERIC_STANDARD();
1161 do_sprintf(sv, SP - MARK, MARK + 1);
1162 if (!do_print(sv, fp))
1165 if (IoFLAGS(io) & IOf_FLUSH)
1166 if (PerlIO_flush(fp) == EOF)
1198 tmps = SvPV(sv, len);
1199 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1200 IoLINES(GvIOp(gv)) = 0;
1211 dSP; dMARK; dORIGMARK; dTARGET;
1217 Sock_size_t bufsize;
1223 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1224 SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1231 perl_call_method("READ", G_SCALAR);
1244 sv_setpvn(bufsv, "", 0);
1245 buffer = SvPV_force(bufsv, blen);
1246 length = SvIVx(*++MARK);
1248 DIE("Negative length");
1251 offset = SvIVx(*++MARK);
1255 if (!io || !IoIFP(io))
1258 if (op->op_type == OP_RECV) {
1259 char namebuf[MAXPATHLEN];
1260 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1261 bufsize = sizeof (struct sockaddr_in);
1263 bufsize = sizeof namebuf;
1265 buffer = SvGROW(bufsv, length+1);
1266 /* 'offset' means 'flags' here */
1267 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1268 (struct sockaddr *)namebuf, &bufsize);
1271 SvCUR_set(bufsv, length);
1272 *SvEND(bufsv) = '\0';
1273 (void)SvPOK_only(bufsv);
1275 /* This should not be marked tainted if the fp is marked clean */
1276 if (!(IoFLAGS(io) & IOf_UNTAINT))
1277 SvTAINTED_on(bufsv);
1279 sv_setpvn(TARG, namebuf, bufsize);
1284 if (op->op_type == OP_RECV)
1285 DIE(no_sock_func, "recv");
1289 DIE("Offset outside string");
1292 bufsize = SvCUR(bufsv);
1293 buffer = SvGROW(bufsv, length+offset+1);
1294 if (offset > bufsize) { /* Zero any newly allocated space */
1295 Zero(buffer+bufsize, offset-bufsize, char);
1297 if (op->op_type == OP_SYSREAD) {
1298 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1301 #ifdef HAS_SOCKET__bad_code_maybe
1302 if (IoTYPE(io) == 's') {
1303 char namebuf[MAXPATHLEN];
1304 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1305 bufsize = sizeof (struct sockaddr_in);
1307 bufsize = sizeof namebuf;
1309 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1310 (struct sockaddr *)namebuf, &bufsize);
1314 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1317 SvCUR_set(bufsv, length+offset);
1318 *SvEND(bufsv) = '\0';
1319 (void)SvPOK_only(bufsv);
1321 /* This should not be marked tainted if the fp is marked clean */
1322 if (!(IoFLAGS(io) & IOf_UNTAINT))
1323 SvTAINTED_on(bufsv);
1335 return pp_send(ARGS);
1340 dSP; dMARK; dORIGMARK; dTARGET;
1353 buffer = SvPV(bufsv, blen);
1354 length = SvIVx(*++MARK);
1356 DIE("Negative length");
1359 if (!io || !IoIFP(io)) {
1362 if (op->op_type == OP_SYSWRITE)
1363 warn("Syswrite on closed filehandle");
1365 warn("Send on closed socket");
1368 else if (op->op_type == OP_SYSWRITE) {
1370 offset = SvIVx(*++MARK);
1373 DIE("Offset outside string");
1375 } else if (offset >= blen && blen > 0)
1376 DIE("Offset outside string");
1379 if (length > blen - offset)
1380 length = blen - offset;
1381 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1384 else if (SP > MARK) {
1387 sockbuf = SvPVx(*++MARK, mlen);
1388 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1389 (struct sockaddr *)sockbuf, mlen);
1392 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1396 DIE(no_sock_func, "send");
1411 return pp_sysread(ARGS);
1422 gv = last_in_gv = (GV*)POPs;
1423 PUSHs(boolSV(!gv || do_eof(gv)));
1435 gv = last_in_gv = (GV*)POPs;
1436 PUSHi( do_tell(gv) );
1442 return pp_sysseek(ARGS);
1452 gv = last_in_gv = (GV*)POPs;
1453 if (op->op_type == OP_SEEK)
1454 PUSHs(boolSV(do_seek(gv, offset, whence)));
1456 long n = do_sysseek(gv, offset, whence);
1457 PUSHs((n < 0) ? &sv_undef
1458 : sv_2mortal(n ? newSViv((IV)n)
1459 : newSVpv(zero_but_true, ZBTLEN)));
1467 Off_t len = (Off_t)POPn;
1472 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1473 if (op->op_flags & OPf_SPECIAL) {
1474 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1476 TAINT_PROPER("truncate");
1477 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1479 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1481 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1489 if (SvTYPE(sv) == SVt_PVGV) {
1490 tmpgv = (GV*)sv; /* *main::FRED for example */
1493 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1494 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1498 name = SvPV(sv, na);
1499 TAINT_PROPER("truncate");
1501 if (truncate(name, len) < 0)
1506 if ((tmpfd = open(name, O_RDWR)) < 0)
1509 if (my_chsize(tmpfd, len) < 0)
1520 SETERRNO(EBADF,RMS$_IFI);
1523 DIE("truncate not implemented");
1529 return pp_ioctl(ARGS);
1536 unsigned int func = U_I(POPn);
1537 int optype = op->op_type;
1543 if (!io || !argsv || !IoIFP(io)) {
1544 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1548 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1551 s = SvPV_force(argsv, len);
1552 need = IOCPARM_LEN(func);
1554 s = Sv_Grow(argsv, need + 1);
1555 SvCUR_set(argsv, need);
1558 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1561 retval = SvIV(argsv);
1562 s = (char*)retval; /* ouch */
1565 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1567 if (optype == OP_IOCTL)
1569 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1571 DIE("ioctl is not implemented");
1575 #if defined(OS2) && defined(__EMX__)
1576 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1578 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1581 DIE("fcntl is not implemented");
1585 if (s[SvCUR(argsv)] != 17)
1586 DIE("Possible memory corruption: %s overflowed 3rd argument",
1588 s[SvCUR(argsv)] = 0; /* put our null back */
1589 SvSETMAGIC(argsv); /* Assume it has changed */
1598 PUSHp(zero_but_true, ZBTLEN);
1618 fp = IoIFP(GvIOp(gv));
1622 (void)PerlIO_flush(fp);
1623 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1630 DIE(no_func, "flock()");
1642 int protocol = POPi;
1650 SETERRNO(EBADF,LIB$_INVARG);
1656 do_close(gv, FALSE);
1658 TAINT_PROPER("socket");
1659 fd = socket(domain, type, protocol);
1662 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1663 IoOFP(io) = PerlIO_fdopen(fd, "w");
1665 if (!IoIFP(io) || !IoOFP(io)) {
1666 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1667 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1668 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1674 DIE(no_sock_func, "socket");
1681 #ifdef HAS_SOCKETPAIR
1686 int protocol = POPi;
1699 do_close(gv1, FALSE);
1701 do_close(gv2, FALSE);
1703 TAINT_PROPER("socketpair");
1704 if (socketpair(domain, type, protocol, fd) < 0)
1706 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1707 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1709 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1710 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1712 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1713 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1714 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1715 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1716 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1717 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1718 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1724 DIE(no_sock_func, "socketpair");
1735 register IO *io = GvIOn(gv);
1738 if (!io || !IoIFP(io))
1741 addr = SvPV(addrsv, len);
1742 TAINT_PROPER("bind");
1743 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1750 warn("bind() on closed fd");
1751 SETERRNO(EBADF,SS$_IVCHAN);
1754 DIE(no_sock_func, "bind");
1765 register IO *io = GvIOn(gv);
1768 if (!io || !IoIFP(io))
1771 addr = SvPV(addrsv, len);
1772 TAINT_PROPER("connect");
1773 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1780 warn("connect() on closed fd");
1781 SETERRNO(EBADF,SS$_IVCHAN);
1784 DIE(no_sock_func, "connect");
1794 register IO *io = GvIOn(gv);
1796 if (!io || !IoIFP(io))
1799 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1806 warn("listen() on closed fd");
1807 SETERRNO(EBADF,SS$_IVCHAN);
1810 DIE(no_sock_func, "listen");
1822 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1823 Sock_size_t len = sizeof saddr;
1835 if (!gstio || !IoIFP(gstio))
1840 do_close(ngv, FALSE);
1842 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1845 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1846 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1847 IoTYPE(nstio) = 's';
1848 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1849 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1850 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1851 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1855 PUSHp((char *)&saddr, len);
1860 warn("accept() on closed fd");
1861 SETERRNO(EBADF,SS$_IVCHAN);
1867 DIE(no_sock_func, "accept");
1877 register IO *io = GvIOn(gv);
1879 if (!io || !IoIFP(io))
1882 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1887 warn("shutdown() on closed fd");
1888 SETERRNO(EBADF,SS$_IVCHAN);
1891 DIE(no_sock_func, "shutdown");
1898 return pp_ssockopt(ARGS);
1900 DIE(no_sock_func, "getsockopt");
1908 int optype = op->op_type;
1911 unsigned int optname;
1917 if (optype == OP_GSOCKOPT)
1918 sv = sv_2mortal(NEWSV(22, 257));
1921 optname = (unsigned int) POPi;
1922 lvl = (unsigned int) POPi;
1926 if (!io || !IoIFP(io))
1929 fd = PerlIO_fileno(IoIFP(io));
1933 (void)SvPOK_only(sv);
1937 if (getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1950 else if (SvOK(sv)) {
1951 aint = (int)SvIV(sv);
1955 if (setsockopt(fd, lvl, optname, buf, len) < 0)
1965 warn("[gs]etsockopt() on closed fd");
1966 SETERRNO(EBADF,SS$_IVCHAN);
1971 DIE(no_sock_func, "setsockopt");
1978 return pp_getpeername(ARGS);
1980 DIE(no_sock_func, "getsockname");
1988 int optype = op->op_type;
1992 register IO *io = GvIOn(gv);
1995 if (!io || !IoIFP(io))
1998 sv = sv_2mortal(NEWSV(22, 257));
1999 (void)SvPOK_only(sv);
2003 fd = PerlIO_fileno(IoIFP(io));
2005 case OP_GETSOCKNAME:
2006 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2009 case OP_GETPEERNAME:
2010 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2012 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2014 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2015 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2016 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2017 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2018 sizeof(u_short) + sizeof(struct in_addr))) {
2025 #ifdef BOGUS_GETNAME_RETURN
2026 /* Interactive Unix, getpeername() and getsockname()
2027 does not return valid namelen */
2028 if (len == BOGUS_GETNAME_RETURN)
2029 len = sizeof(struct sockaddr);
2038 warn("get{sock, peer}name() on closed fd");
2039 SETERRNO(EBADF,SS$_IVCHAN);
2044 DIE(no_sock_func, "getpeername");
2052 return pp_stat(ARGS);
2062 if (op->op_flags & OPf_REF) {
2063 tmpgv = cGVOP->op_gv;
2065 if (tmpgv != defgv) {
2066 laststype = OP_STAT;
2068 sv_setpv(statname, "");
2069 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2070 ? Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2072 if (laststatval < 0)
2077 if (SvTYPE(sv) == SVt_PVGV) {
2081 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2082 tmpgv = (GV*)SvRV(sv);
2085 sv_setpv(statname, SvPV(sv,na));
2088 laststype = op->op_type;
2089 if (op->op_type == OP_LSTAT)
2090 laststatval = lstat(SvPV(statname, na), &statcache);
2093 laststatval = Stat(SvPV(statname, na), &statcache);
2094 if (laststatval < 0) {
2095 if (dowarn && strchr(SvPV(statname, na), '\n'))
2096 warn(warn_nl, "stat");
2102 if (gimme != G_ARRAY) {
2103 if (gimme != G_VOID)
2104 XPUSHs(boolSV(max));
2110 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2111 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2112 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2113 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2114 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2115 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2116 #ifdef USE_STAT_RDEV
2117 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2119 PUSHs(sv_2mortal(newSVpv("", 0)));
2121 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2123 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2124 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2125 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2127 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2128 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2129 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2131 #ifdef USE_STAT_BLOCKS
2132 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2133 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2135 PUSHs(sv_2mortal(newSVpv("", 0)));
2136 PUSHs(sv_2mortal(newSVpv("", 0)));
2144 I32 result = my_stat(ARGS);
2148 if (cando(S_IRUSR, 0, &statcache))
2155 I32 result = my_stat(ARGS);
2159 if (cando(S_IWUSR, 0, &statcache))
2166 I32 result = my_stat(ARGS);
2170 if (cando(S_IXUSR, 0, &statcache))
2177 I32 result = my_stat(ARGS);
2181 if (cando(S_IRUSR, 1, &statcache))
2188 I32 result = my_stat(ARGS);
2192 if (cando(S_IWUSR, 1, &statcache))
2199 I32 result = my_stat(ARGS);
2203 if (cando(S_IXUSR, 1, &statcache))
2210 I32 result = my_stat(ARGS);
2219 return pp_ftrowned(ARGS);
2224 I32 result = my_stat(ARGS);
2228 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2235 I32 result = my_stat(ARGS);
2239 if (!statcache.st_size)
2246 I32 result = my_stat(ARGS);
2250 PUSHi(statcache.st_size);
2256 I32 result = my_stat(ARGS);
2260 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2266 I32 result = my_stat(ARGS);
2270 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2276 I32 result = my_stat(ARGS);
2280 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2286 I32 result = my_stat(ARGS);
2290 if (S_ISSOCK(statcache.st_mode))
2297 I32 result = my_stat(ARGS);
2301 if (S_ISCHR(statcache.st_mode))
2308 I32 result = my_stat(ARGS);
2312 if (S_ISBLK(statcache.st_mode))
2319 I32 result = my_stat(ARGS);
2323 if (S_ISREG(statcache.st_mode))
2330 I32 result = my_stat(ARGS);
2334 if (S_ISDIR(statcache.st_mode))
2341 I32 result = my_stat(ARGS);
2345 if (S_ISFIFO(statcache.st_mode))
2352 I32 result = my_lstat(ARGS);
2356 if (S_ISLNK(statcache.st_mode))
2365 I32 result = my_stat(ARGS);
2369 if (statcache.st_mode & S_ISUID)
2379 I32 result = my_stat(ARGS);
2383 if (statcache.st_mode & S_ISGID)
2393 I32 result = my_stat(ARGS);
2397 if (statcache.st_mode & S_ISVTX)
2408 char *tmps = Nullch;
2410 if (op->op_flags & OPf_REF)
2412 else if (isGV(TOPs))
2414 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2415 gv = (GV*)SvRV(POPs);
2417 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2419 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2420 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2421 else if (tmps && isDIGIT(*tmps))
2430 #if defined(atarist) /* this will work with atariST. Configure will
2431 make guesses for other systems. */
2432 # define FILE_base(f) ((f)->_base)
2433 # define FILE_ptr(f) ((f)->_ptr)
2434 # define FILE_cnt(f) ((f)->_cnt)
2435 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2445 register STDCHAR *s;
2450 if (op->op_flags & OPf_REF)
2452 else if (isGV(TOPs))
2454 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2455 gv = (GV*)SvRV(POPs);
2466 goto really_filename;
2472 sv_setpv(statname, "");
2475 if (io && IoIFP(io)) {
2476 if (! PerlIO_has_base(IoIFP(io)))
2477 DIE("-T and -B not implemented on filehandles");
2478 laststatval = Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2479 if (laststatval < 0)
2481 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2482 if (op->op_type == OP_FTTEXT)
2486 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2487 i = PerlIO_getc(IoIFP(io));
2489 (void)PerlIO_ungetc(IoIFP(io),i);
2491 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2493 len = PerlIO_get_bufsiz(IoIFP(io));
2494 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2495 /* sfio can have large buffers - limit to 512 */
2501 warn("Test on unopened file <%s>",
2502 GvENAME(cGVOP->op_gv));
2503 SETERRNO(EBADF,RMS$_IFI);
2512 sv_setpv(statname, SvPV(sv, na));
2514 i = open(SvPV(sv, na), O_RDONLY, 0);
2516 i = open(SvPV(sv, na), 0);
2519 if (dowarn && strchr(SvPV(sv, na), '\n'))
2520 warn(warn_nl, "open");
2523 laststatval = Fstat(i, &statcache);
2524 if (laststatval < 0)
2526 len = read(i, tbuf, 512);
2529 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2530 RETPUSHNO; /* special case NFS directories */
2531 RETPUSHYES; /* null file is anything */
2536 /* now scan s to look for textiness */
2537 /* XXX ASCII dependent code */
2539 for (i = 0; i < len; i++, s++) {
2540 if (!*s) { /* null never allowed in text */
2547 *s != '\n' && *s != '\r' && *s != '\b' &&
2548 *s != '\t' && *s != '\f' && *s != 27)
2552 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2560 return pp_fttext(ARGS);
2575 if (!tmps || !*tmps) {
2576 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2578 tmps = SvPV(*svp, na);
2580 if (!tmps || !*tmps) {
2581 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2583 tmps = SvPV(*svp, na);
2585 TAINT_PROPER("chdir");
2586 PUSHi( chdir(tmps) >= 0 );
2588 /* Clear the DEFAULT element of ENV so we'll get the new value
2590 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2597 dSP; dMARK; dTARGET;
2600 value = (I32)apply(op->op_type, MARK, SP);
2605 DIE(no_func, "Unsupported function chown");
2615 TAINT_PROPER("chroot");
2616 PUSHi( chroot(tmps) >= 0 );
2619 DIE(no_func, "chroot");
2625 dSP; dMARK; dTARGET;
2627 value = (I32)apply(op->op_type, MARK, SP);
2635 dSP; dMARK; dTARGET;
2637 value = (I32)apply(op->op_type, MARK, SP);
2645 dSP; dMARK; dTARGET;
2647 value = (I32)apply(op->op_type, MARK, SP);
2659 char *tmps = SvPV(TOPs, na);
2660 TAINT_PROPER("rename");
2662 anum = rename(tmps, tmps2);
2664 if (!(anum = Stat(tmps, &statbuf))) {
2665 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2668 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2669 (void)UNLINK(tmps2);
2670 if (!(anum = link(tmps, tmps2)))
2671 anum = UNLINK(tmps);
2684 char *tmps = SvPV(TOPs, na);
2685 TAINT_PROPER("link");
2686 SETi( link(tmps, tmps2) >= 0 );
2688 DIE(no_func, "Unsupported function link");
2698 char *tmps = SvPV(TOPs, na);
2699 TAINT_PROPER("symlink");
2700 SETi( symlink(tmps, tmps2) >= 0 );
2703 DIE(no_func, "symlink");
2712 char buf[MAXPATHLEN];
2715 #ifndef INCOMPLETE_TAINTS
2719 len = readlink(tmps, buf, sizeof buf);
2727 RETSETUNDEF; /* just pretend it's a normal file */
2731 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2733 dooneliner(cmd, filename)
2737 char *save_filename = filename;
2743 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2744 strcpy(cmdline, cmd);
2745 strcat(cmdline, " ");
2746 for (s = cmdline + strlen(cmdline); *filename; ) {
2751 myfp = my_popen(cmdline, "r");
2755 SV *tmpsv = sv_newmortal();
2756 /* Need to save/restore 'rs' ?? */
2757 s = sv_gets(tmpsv, myfp, 0);
2758 (void)my_pclose(myfp);
2762 #ifdef HAS_SYS_ERRLIST
2767 /* you don't see this */
2769 #ifdef HAS_SYS_ERRLIST
2777 if (instr(s, errmsg)) {
2784 #define EACCES EPERM
2786 if (instr(s, "cannot make"))
2787 SETERRNO(EEXIST,RMS$_FEX);
2788 else if (instr(s, "existing file"))
2789 SETERRNO(EEXIST,RMS$_FEX);
2790 else if (instr(s, "ile exists"))
2791 SETERRNO(EEXIST,RMS$_FEX);
2792 else if (instr(s, "non-exist"))
2793 SETERRNO(ENOENT,RMS$_FNF);
2794 else if (instr(s, "does not exist"))
2795 SETERRNO(ENOENT,RMS$_FNF);
2796 else if (instr(s, "not empty"))
2797 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2798 else if (instr(s, "cannot access"))
2799 SETERRNO(EACCES,RMS$_PRV);
2801 SETERRNO(EPERM,RMS$_PRV);
2804 else { /* some mkdirs return no failure indication */
2805 anum = (Stat(save_filename, &statbuf) >= 0);
2806 if (op->op_type == OP_RMDIR)
2811 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2827 char *tmps = SvPV(TOPs, na);
2829 TAINT_PROPER("mkdir");
2831 SETi( Mkdir(tmps, mode) >= 0 );
2833 SETi( dooneliner("mkdir", tmps) );
2834 oldumask = umask(0);
2836 chmod(tmps, (mode & ~oldumask) & 0777);
2847 TAINT_PROPER("rmdir");
2849 XPUSHi( rmdir(tmps) >= 0 );
2851 XPUSHi( dooneliner("rmdir", tmps) );
2856 /* Directory calls. */
2861 #if defined(Direntry_t) && defined(HAS_READDIR)
2862 char *dirname = POPp;
2864 register IO *io = GvIOn(gv);
2870 closedir(IoDIRP(io));
2871 if (!(IoDIRP(io) = opendir(dirname)))
2877 SETERRNO(EBADF,RMS$_DIR);
2880 DIE(no_dir_func, "opendir");
2887 #if defined(Direntry_t) && defined(HAS_READDIR)
2889 Direntry_t *readdir _((DIR *));
2891 register Direntry_t *dp;
2893 register IO *io = GvIOn(gv);
2896 if (!io || !IoDIRP(io))
2899 if (GIMME == G_ARRAY) {
2901 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2903 sv = newSVpv(dp->d_name, dp->d_namlen);
2905 sv = newSVpv(dp->d_name, 0);
2907 #ifndef INCOMPLETE_TAINTS
2910 XPUSHs(sv_2mortal(sv));
2914 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2917 sv = newSVpv(dp->d_name, dp->d_namlen);
2919 sv = newSVpv(dp->d_name, 0);
2921 #ifndef INCOMPLETE_TAINTS
2924 XPUSHs(sv_2mortal(sv));
2930 SETERRNO(EBADF,RMS$_ISI);
2931 if (GIMME == G_ARRAY)
2936 DIE(no_dir_func, "readdir");
2943 #if defined(HAS_TELLDIR) || defined(telldir)
2944 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2945 long telldir _((DIR *));
2948 register IO *io = GvIOn(gv);
2950 if (!io || !IoDIRP(io))
2953 PUSHi( telldir(IoDIRP(io)) );
2957 SETERRNO(EBADF,RMS$_ISI);
2960 DIE(no_dir_func, "telldir");
2967 #if defined(HAS_SEEKDIR) || defined(seekdir)
2970 register IO *io = GvIOn(gv);
2972 if (!io || !IoDIRP(io))
2975 (void)seekdir(IoDIRP(io), along);
2980 SETERRNO(EBADF,RMS$_ISI);
2983 DIE(no_dir_func, "seekdir");
2990 #if defined(HAS_REWINDDIR) || defined(rewinddir)
2992 register IO *io = GvIOn(gv);
2994 if (!io || !IoDIRP(io))
2997 (void)rewinddir(IoDIRP(io));
3001 SETERRNO(EBADF,RMS$_ISI);
3004 DIE(no_dir_func, "rewinddir");
3011 #if defined(Direntry_t) && defined(HAS_READDIR)
3013 register IO *io = GvIOn(gv);
3015 if (!io || !IoDIRP(io))
3018 #ifdef VOID_CLOSEDIR
3019 closedir(IoDIRP(io));
3021 if (closedir(IoDIRP(io)) < 0) {
3022 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3031 SETERRNO(EBADF,RMS$_IFI);
3034 DIE(no_dir_func, "closedir");
3038 /* Process control. */
3053 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3054 sv_setiv(GvSV(tmpgv), (IV)getpid());
3055 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3060 DIE(no_func, "Unsupported function fork");
3066 #if !defined(DOSISH) || defined(OS2)
3071 childpid = wait4pid(-1, &argflags, 0);
3072 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3076 DIE(no_func, "Unsupported function wait");
3082 #if !defined(DOSISH) || defined(OS2)
3090 childpid = wait4pid(childpid, &argflags, optype);
3091 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3095 DIE(no_func, "Unsupported function wait");
3101 dSP; dMARK; dORIGMARK; dTARGET;
3106 Sigsave_t ihand,qhand; /* place to save signals during system() */
3108 if (SP - MARK == 1) {
3110 char *junk = SvPV(TOPs, na);
3112 TAINT_PROPER("system");
3115 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3116 while ((childpid = vfork()) == -1) {
3117 if (errno != EAGAIN) {
3126 rsignal_save(SIGINT, SIG_IGN, &ihand);
3127 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3129 result = wait4pid(childpid, &status, 0);
3130 } while (result == -1 && errno == EINTR);
3131 (void)rsignal_restore(SIGINT, &ihand);
3132 (void)rsignal_restore(SIGQUIT, &qhand);
3133 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3134 do_execfree(); /* free any memory child malloced on vfork */
3136 PUSHi(STATUS_CURRENT);
3139 if (op->op_flags & OPf_STACKED) {
3140 SV *really = *++MARK;
3141 value = (I32)do_aexec(really, MARK, SP);
3143 else if (SP - MARK != 1)
3144 value = (I32)do_aexec(Nullsv, MARK, SP);
3146 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3149 #else /* ! FORK or VMS or OS/2 */
3150 if (op->op_flags & OPf_STACKED) {
3151 SV *really = *++MARK;
3152 value = (I32)do_aspawn(really, MARK, SP);
3154 else if (SP - MARK != 1)
3155 value = (I32)do_aspawn(Nullsv, MARK, SP);
3157 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3159 STATUS_NATIVE_SET(value);
3162 PUSHi(STATUS_CURRENT);
3163 #endif /* !FORK or VMS */
3169 dSP; dMARK; dORIGMARK; dTARGET;
3172 if (op->op_flags & OPf_STACKED) {
3173 SV *really = *++MARK;
3174 value = (I32)do_aexec(really, MARK, SP);
3176 else if (SP - MARK != 1)
3178 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3180 value = (I32)do_aexec(Nullsv, MARK, SP);
3184 char *junk = SvPV(*SP, na);
3186 TAINT_PROPER("exec");
3189 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3191 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3201 dSP; dMARK; dTARGET;
3204 value = (I32)apply(op->op_type, MARK, SP);
3209 DIE(no_func, "Unsupported function kill");
3217 XPUSHi( getppid() );
3220 DIE(no_func, "getppid");
3236 value = (I32)BSD_GETPGRP(pid);
3238 if (pid != 0 && pid != getpid())
3239 DIE("POSIX getpgrp can't take an argument");
3240 value = (I32)getpgrp();
3245 DIE(no_func, "getpgrp()");
3264 TAINT_PROPER("setpgrp");
3266 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3268 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3269 DIE("POSIX setpgrp can't take an argument");
3270 SETi( setpgrp() >= 0 );
3271 #endif /* USE_BSDPGRP */
3274 DIE(no_func, "setpgrp()");
3283 #ifdef HAS_GETPRIORITY
3286 SETi( getpriority(which, who) );
3289 DIE(no_func, "getpriority()");
3299 #ifdef HAS_SETPRIORITY
3303 TAINT_PROPER("setpriority");
3304 SETi( setpriority(which, who, niceval) >= 0 );
3307 DIE(no_func, "setpriority()");
3317 XPUSHn( time(Null(Time_t*)) );
3319 XPUSHi( time(Null(Time_t*)) );
3324 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3325 to HZ. Probably. For now, assume that if the system
3326 defines HZ, it does so correctly. (Will this break
3328 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3329 it's supported. --AD 9/96.
3345 DIE("times not implemented");
3350 (void)times(×buf);
3352 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3353 /* struct tms, though same data */
3357 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3358 if (GIMME == G_ARRAY) {
3359 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3360 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3361 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3364 #endif /* HAS_TIMES */
3369 return pp_gmtime(ARGS);
3377 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3378 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3379 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3385 when = (Time_t)SvNVx(POPs);
3387 when = (Time_t)SvIVx(POPs);
3390 if (op->op_type == OP_LOCALTIME)
3391 tmbuf = localtime(&when);
3393 tmbuf = gmtime(&when);
3397 if (GIMME != G_ARRAY) {
3402 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3403 dayname[tmbuf->tm_wday],
3404 monname[tmbuf->tm_mon],
3409 tmbuf->tm_year + 1900);
3410 PUSHs(sv_2mortal(tsv));
3413 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3414 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3415 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3416 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3417 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3418 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3419 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3420 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3421 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3432 anum = alarm((unsigned int)anum);
3439 DIE(no_func, "Unsupported function alarm");
3450 (void)time(&lasttime);
3455 sleep((unsigned int)duration);
3458 XPUSHi(when - lasttime);
3462 /* Shared memory. */
3466 return pp_semget(ARGS);
3471 return pp_semctl(ARGS);
3476 return pp_shmwrite(ARGS);
3481 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3482 dSP; dMARK; dTARGET;
3483 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3488 return pp_semget(ARGS);
3492 /* Message passing. */
3496 return pp_semget(ARGS);
3501 return pp_semctl(ARGS);
3506 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3507 dSP; dMARK; dTARGET;
3508 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3513 return pp_semget(ARGS);
3519 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3520 dSP; dMARK; dTARGET;
3521 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3526 return pp_semget(ARGS);
3534 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3535 dSP; dMARK; dTARGET;
3536 int anum = do_ipcget(op->op_type, MARK, SP);
3543 DIE("System V IPC is not implemented on this machine");
3549 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3550 dSP; dMARK; dTARGET;
3551 int anum = do_ipcctl(op->op_type, MARK, SP);
3559 PUSHp(zero_but_true, ZBTLEN);
3563 return pp_semget(ARGS);
3569 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3570 dSP; dMARK; dTARGET;
3571 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3576 return pp_semget(ARGS);
3580 /* Get system info. */
3585 return pp_ghostent(ARGS);
3587 DIE(no_sock_func, "gethostbyname");
3594 return pp_ghostent(ARGS);
3596 DIE(no_sock_func, "gethostbyaddr");
3604 I32 which = op->op_type;
3605 register char **elem;
3607 struct hostent *gethostbyname();
3608 struct hostent *gethostbyaddr();
3609 #ifdef HAS_GETHOSTENT
3610 struct hostent *gethostent();
3612 struct hostent *hent;
3616 if (which == OP_GHBYNAME) {
3617 hent = gethostbyname(POPp);
3619 else if (which == OP_GHBYADDR) {
3620 int addrtype = POPi;
3623 char *addr = SvPV(addrsv, addrlen);
3625 hent = gethostbyaddr(addr, addrlen, addrtype);
3628 #ifdef HAS_GETHOSTENT
3629 hent = gethostent();
3631 DIE("gethostent not implemented");
3634 #ifdef HOST_NOT_FOUND
3636 STATUS_NATIVE_SET(h_errno);
3639 if (GIMME != G_ARRAY) {
3640 PUSHs(sv = sv_newmortal());
3642 if (which == OP_GHBYNAME) {
3644 sv_setpvn(sv, hent->h_addr, hent->h_length);
3647 sv_setpv(sv, (char*)hent->h_name);
3653 PUSHs(sv = sv_mortalcopy(&sv_no));
3654 sv_setpv(sv, (char*)hent->h_name);
3655 PUSHs(sv = sv_mortalcopy(&sv_no));
3656 for (elem = hent->h_aliases; elem && *elem; elem++) {
3657 sv_catpv(sv, *elem);
3659 sv_catpvn(sv, " ", 1);
3661 PUSHs(sv = sv_mortalcopy(&sv_no));
3662 sv_setiv(sv, (IV)hent->h_addrtype);
3663 PUSHs(sv = sv_mortalcopy(&sv_no));
3664 len = hent->h_length;
3665 sv_setiv(sv, (IV)len);
3667 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3668 XPUSHs(sv = sv_mortalcopy(&sv_no));
3669 sv_setpvn(sv, *elem, len);
3672 PUSHs(sv = sv_mortalcopy(&sv_no));
3674 sv_setpvn(sv, hent->h_addr, len);
3679 DIE(no_sock_func, "gethostent");
3686 return pp_gnetent(ARGS);
3688 DIE(no_sock_func, "getnetbyname");
3695 return pp_gnetent(ARGS);
3697 DIE(no_sock_func, "getnetbyaddr");
3705 I32 which = op->op_type;
3706 register char **elem;
3708 struct netent *getnetbyname();
3709 struct netent *getnetbyaddr();
3710 struct netent *getnetent();
3711 struct netent *nent;
3713 if (which == OP_GNBYNAME)
3714 nent = getnetbyname(POPp);
3715 else if (which == OP_GNBYADDR) {
3716 int addrtype = POPi;
3717 unsigned long addr = U_L(POPn);
3718 nent = getnetbyaddr((long)addr, addrtype);
3724 if (GIMME != G_ARRAY) {
3725 PUSHs(sv = sv_newmortal());
3727 if (which == OP_GNBYNAME)
3728 sv_setiv(sv, (IV)nent->n_net);
3730 sv_setpv(sv, nent->n_name);
3736 PUSHs(sv = sv_mortalcopy(&sv_no));
3737 sv_setpv(sv, nent->n_name);
3738 PUSHs(sv = sv_mortalcopy(&sv_no));
3739 for (elem = nent->n_aliases; elem && *elem; elem++) {
3740 sv_catpv(sv, *elem);
3742 sv_catpvn(sv, " ", 1);
3744 PUSHs(sv = sv_mortalcopy(&sv_no));
3745 sv_setiv(sv, (IV)nent->n_addrtype);
3746 PUSHs(sv = sv_mortalcopy(&sv_no));
3747 sv_setiv(sv, (IV)nent->n_net);
3752 DIE(no_sock_func, "getnetent");
3759 return pp_gprotoent(ARGS);
3761 DIE(no_sock_func, "getprotobyname");
3768 return pp_gprotoent(ARGS);
3770 DIE(no_sock_func, "getprotobynumber");
3778 I32 which = op->op_type;
3779 register char **elem;
3781 struct protoent *getprotobyname();
3782 struct protoent *getprotobynumber();
3783 struct protoent *getprotoent();
3784 struct protoent *pent;
3786 if (which == OP_GPBYNAME)
3787 pent = getprotobyname(POPp);
3788 else if (which == OP_GPBYNUMBER)
3789 pent = getprotobynumber(POPi);
3791 pent = getprotoent();
3794 if (GIMME != G_ARRAY) {
3795 PUSHs(sv = sv_newmortal());
3797 if (which == OP_GPBYNAME)
3798 sv_setiv(sv, (IV)pent->p_proto);
3800 sv_setpv(sv, pent->p_name);
3806 PUSHs(sv = sv_mortalcopy(&sv_no));
3807 sv_setpv(sv, pent->p_name);
3808 PUSHs(sv = sv_mortalcopy(&sv_no));
3809 for (elem = pent->p_aliases; elem && *elem; elem++) {
3810 sv_catpv(sv, *elem);
3812 sv_catpvn(sv, " ", 1);
3814 PUSHs(sv = sv_mortalcopy(&sv_no));
3815 sv_setiv(sv, (IV)pent->p_proto);
3820 DIE(no_sock_func, "getprotoent");
3827 return pp_gservent(ARGS);
3829 DIE(no_sock_func, "getservbyname");
3836 return pp_gservent(ARGS);
3838 DIE(no_sock_func, "getservbyport");
3846 I32 which = op->op_type;
3847 register char **elem;
3849 struct servent *getservbyname();
3850 struct servent *getservbynumber();
3851 struct servent *getservent();
3852 struct servent *sent;
3854 if (which == OP_GSBYNAME) {
3858 if (proto && !*proto)
3861 sent = getservbyname(name, proto);
3863 else if (which == OP_GSBYPORT) {
3865 unsigned short port = POPu;
3870 sent = getservbyport(port, proto);
3873 sent = getservent();
3876 if (GIMME != G_ARRAY) {
3877 PUSHs(sv = sv_newmortal());
3879 if (which == OP_GSBYNAME) {
3881 sv_setiv(sv, (IV)ntohs(sent->s_port));
3883 sv_setiv(sv, (IV)(sent->s_port));
3887 sv_setpv(sv, sent->s_name);
3893 PUSHs(sv = sv_mortalcopy(&sv_no));
3894 sv_setpv(sv, sent->s_name);
3895 PUSHs(sv = sv_mortalcopy(&sv_no));
3896 for (elem = sent->s_aliases; elem && *elem; elem++) {
3897 sv_catpv(sv, *elem);
3899 sv_catpvn(sv, " ", 1);
3901 PUSHs(sv = sv_mortalcopy(&sv_no));
3903 sv_setiv(sv, (IV)ntohs(sent->s_port));
3905 sv_setiv(sv, (IV)(sent->s_port));
3907 PUSHs(sv = sv_mortalcopy(&sv_no));
3908 sv_setpv(sv, sent->s_proto);
3913 DIE(no_sock_func, "getservent");
3924 DIE(no_sock_func, "sethostent");
3935 DIE(no_sock_func, "setnetent");
3946 DIE(no_sock_func, "setprotoent");
3957 DIE(no_sock_func, "setservent");
3969 DIE(no_sock_func, "endhostent");
3981 DIE(no_sock_func, "endnetent");
3993 DIE(no_sock_func, "endprotoent");
4005 DIE(no_sock_func, "endservent");
4012 return pp_gpwent(ARGS);
4014 DIE(no_func, "getpwnam");
4021 return pp_gpwent(ARGS);
4023 DIE(no_func, "getpwuid");
4031 I32 which = op->op_type;
4033 struct passwd *pwent;
4035 if (which == OP_GPWNAM)
4036 pwent = getpwnam(POPp);
4037 else if (which == OP_GPWUID)
4038 pwent = getpwuid(POPi);
4040 pwent = (struct passwd *)getpwent();
4043 if (GIMME != G_ARRAY) {
4044 PUSHs(sv = sv_newmortal());
4046 if (which == OP_GPWNAM)
4047 sv_setiv(sv, (IV)pwent->pw_uid);
4049 sv_setpv(sv, pwent->pw_name);
4055 PUSHs(sv = sv_mortalcopy(&sv_no));
4056 sv_setpv(sv, pwent->pw_name);
4057 PUSHs(sv = sv_mortalcopy(&sv_no));
4058 sv_setpv(sv, pwent->pw_passwd);
4059 PUSHs(sv = sv_mortalcopy(&sv_no));
4060 sv_setiv(sv, (IV)pwent->pw_uid);
4061 PUSHs(sv = sv_mortalcopy(&sv_no));
4062 sv_setiv(sv, (IV)pwent->pw_gid);
4063 PUSHs(sv = sv_mortalcopy(&sv_no));
4065 sv_setiv(sv, (IV)pwent->pw_change);
4068 sv_setiv(sv, (IV)pwent->pw_quota);
4071 sv_setpv(sv, pwent->pw_age);
4075 PUSHs(sv = sv_mortalcopy(&sv_no));
4077 sv_setpv(sv, pwent->pw_class);
4080 sv_setpv(sv, pwent->pw_comment);
4083 PUSHs(sv = sv_mortalcopy(&sv_no));
4084 sv_setpv(sv, pwent->pw_gecos);
4085 #ifndef INCOMPLETE_TAINTS
4088 PUSHs(sv = sv_mortalcopy(&sv_no));
4089 sv_setpv(sv, pwent->pw_dir);
4090 PUSHs(sv = sv_mortalcopy(&sv_no));
4091 sv_setpv(sv, pwent->pw_shell);
4093 PUSHs(sv = sv_mortalcopy(&sv_no));
4094 sv_setiv(sv, (IV)pwent->pw_expire);
4099 DIE(no_func, "getpwent");
4106 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4110 DIE(no_func, "setpwent");
4121 DIE(no_func, "endpwent");
4128 return pp_ggrent(ARGS);
4130 DIE(no_func, "getgrnam");
4137 return pp_ggrent(ARGS);
4139 DIE(no_func, "getgrgid");
4147 I32 which = op->op_type;
4148 register char **elem;
4150 struct group *grent;
4152 if (which == OP_GGRNAM)
4153 grent = (struct group *)getgrnam(POPp);
4154 else if (which == OP_GGRGID)
4155 grent = (struct group *)getgrgid(POPi);
4157 grent = (struct group *)getgrent();
4160 if (GIMME != G_ARRAY) {
4161 PUSHs(sv = sv_newmortal());
4163 if (which == OP_GGRNAM)
4164 sv_setiv(sv, (IV)grent->gr_gid);
4166 sv_setpv(sv, grent->gr_name);
4172 PUSHs(sv = sv_mortalcopy(&sv_no));
4173 sv_setpv(sv, grent->gr_name);
4174 PUSHs(sv = sv_mortalcopy(&sv_no));
4175 sv_setpv(sv, grent->gr_passwd);
4176 PUSHs(sv = sv_mortalcopy(&sv_no));
4177 sv_setiv(sv, (IV)grent->gr_gid);
4178 PUSHs(sv = sv_mortalcopy(&sv_no));
4179 for (elem = grent->gr_mem; elem && *elem; elem++) {
4180 sv_catpv(sv, *elem);
4182 sv_catpvn(sv, " ", 1);
4188 DIE(no_func, "getgrent");
4199 DIE(no_func, "setgrent");
4210 DIE(no_func, "endgrent");
4220 if (!(tmps = getlogin()))
4222 PUSHp(tmps, strlen(tmps));
4225 DIE(no_func, "getlogin");
4229 /* Miscellaneous. */
4234 dSP; dMARK; dORIGMARK; dTARGET;
4235 register I32 items = SP - MARK;
4236 unsigned long a[20];
4242 while (++MARK <= SP) {
4243 if (SvTAINTED(*MARK)) {
4249 TAINT_PROPER("syscall");
4252 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4253 * or where sizeof(long) != sizeof(char*). But such machines will
4254 * not likely have syscall implemented either, so who cares?
4256 while (++MARK <= SP) {
4257 if (SvNIOK(*MARK) || !i)
4258 a[i++] = SvIV(*MARK);
4259 else if (*MARK == &sv_undef)
4262 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4268 DIE("Too many args to syscall");
4270 DIE("Too few args to syscall");
4272 retval = syscall(a[0]);
4275 retval = syscall(a[0],a[1]);
4278 retval = syscall(a[0],a[1],a[2]);
4281 retval = syscall(a[0],a[1],a[2],a[3]);
4284 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4287 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4290 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4293 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4297 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4300 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4303 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4307 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4311 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4315 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4316 a[10],a[11],a[12],a[13]);
4318 #endif /* atarist */
4324 DIE(no_func, "syscall");
4328 #ifdef FCNTL_EMULATE_FLOCK
4330 /* XXX Emulate flock() with fcntl().
4331 What's really needed is a good file locking module.
4335 fcntl_emulate_flock(fd, operation)
4341 switch (operation & ~LOCK_NB) {
4343 flock.l_type = F_RDLCK;
4346 flock.l_type = F_WRLCK;
4349 flock.l_type = F_UNLCK;
4355 flock.l_whence = SEEK_SET;
4356 flock.l_start = flock.l_len = 0L;
4358 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4361 #endif /* FCNTL_EMULATE_FLOCK */
4363 #ifdef LOCKF_EMULATE_FLOCK
4365 /* XXX Emulate flock() with lockf(). This is just to increase
4366 portability of scripts. The calls are not completely
4367 interchangeable. What's really needed is a good file
4371 /* The lockf() constants might have been defined in <unistd.h>.
4372 Unfortunately, <unistd.h> causes troubles on some mixed
4373 (BSD/POSIX) systems, such as SunOS 4.1.3.
4375 Further, the lockf() constants aren't POSIX, so they might not be
4376 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4377 just stick in the SVID values and be done with it. Sigh.
4381 # define F_ULOCK 0 /* Unlock a previously locked region */
4384 # define F_LOCK 1 /* Lock a region for exclusive use */
4387 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4390 # define F_TEST 3 /* Test a region for other processes locks */
4394 lockf_emulate_flock (fd, operation)
4402 /* flock locks entire file so for lockf we need to do the same */
4404 pos = lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4405 if (pos > 0) /* is seekable and needs to be repositioned */
4406 if (lseek(fd, (Off_t)0, SEEK_SET) < 0)
4407 pos = -1; /* seek failed, so don't seek back afterwards */
4410 switch (operation) {
4412 /* LOCK_SH - get a shared lock */
4414 /* LOCK_EX - get an exclusive lock */
4416 i = lockf (fd, F_LOCK, 0);
4419 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4420 case LOCK_SH|LOCK_NB:
4421 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4422 case LOCK_EX|LOCK_NB:
4423 i = lockf (fd, F_TLOCK, 0);
4425 if ((errno == EAGAIN) || (errno == EACCES))
4426 errno = EWOULDBLOCK;
4429 /* LOCK_UN - unlock (non-blocking is a no-op) */
4431 case LOCK_UN|LOCK_NB:
4432 i = lockf (fd, F_ULOCK, 0);
4435 /* Default - can't decipher operation */
4442 if (pos > 0) /* need to restore position of the handle */
4443 lseek(fd, pos, SEEK_SET); /* ignore error here */
4448 #endif /* LOCKF_EMULATE_FLOCK */