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>
44 # include <net/errno.h>
51 #include <sys/select.h>
63 struct passwd *getpwnam _((char *));
64 struct passwd *getpwuid _((Uid_t));
66 struct passwd *getpwent _((void));
73 struct group *getgrnam _((char *));
74 struct group *getgrgid _((Gid_t));
76 struct group *getgrent _((void));
81 # include <sys/utime.h>
93 /* Put this after #includes because fork and vfork prototypes may conflict. */
98 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
100 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
101 # define Sock_size_t Size_t
103 # define Sock_size_t int
107 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
108 static int dooneliner _((char *cmd, char *filename));
112 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
115 # define my_chsize chsize
120 #else /* no flock() */
122 /* fcntl.h might not have been included, even if it exists, because
123 the current Configure only sets I_FCNTL if it's needed to pick up
124 the *_OK constants. Make sure it has been included before testing
125 the fcntl() locking constants. */
126 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
130 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
131 # define FLOCK fcntl_emulate_flock
132 # define FCNTL_EMULATE_FLOCK
133 # else /* no flock() or fcntl(F_SETLK,...) */
135 # define FLOCK lockf_emulate_flock
136 # define LOCKF_EMULATE_FLOCK
138 # endif /* no flock() or fcntl(F_SETLK,...) */
141 static int FLOCK _((int, int));
144 * These are the flock() constants. Since this sytems doesn't have
145 * flock(), the values of the constants are probably not available.
159 # endif /* emulating flock() */
161 #endif /* no flock() */
165 # define MAXPATHLEN PATH_MAX
167 # define MAXPATHLEN 1024
172 static char zero_but_true[ZBTLEN + 1] = "0 but true";
184 fp = my_popen(tmps, "r");
186 if (gimme == G_VOID) {
188 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
192 else if (gimme == G_SCALAR) {
193 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
194 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
205 if (sv_gets(sv, fp, 0) == Nullch) {
209 XPUSHs(sv_2mortal(sv));
210 if (SvLEN(sv) - SvCUR(sv) > 20) {
211 SvLEN_set(sv, SvCUR(sv)+1);
212 Renew(SvPVX(sv), SvLEN(sv), char);
217 STATUS_NATIVE_SET(my_pclose(fp));
218 TAINT; /* "I believe that this is not gratuitous!" */
221 STATUS_NATIVE_SET(-1);
222 if (gimme == G_SCALAR)
237 * The external globbing program may use things we can't control,
238 * so for security reasons we must assume the worst.
241 taint_proper(no_security, "glob");
245 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
246 last_in_gv = (GV*)*stack_sp--;
248 SAVESPTR(rs); /* This is not permanent, either. */
249 rs = sv_2mortal(newSVpv("", 1));
256 result = do_readline();
263 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
264 return do_readline();
269 last_in_gv = cGVOP->op_gv;
270 return do_readline();
277 if (SP - MARK != 1) {
279 do_join(TARG, &sv_no, MARK, SP);
280 tmps = SvPV(TARG, na);
284 tmps = SvPV(TOPs, na);
286 if (!tmps || !*tmps) {
287 (void)SvUPGRADE(ERRSV, SVt_PV);
288 if (SvPOK(ERRSV) && SvCUR(ERRSV))
289 sv_catpv(ERRSV, "\t...caught");
290 tmps = SvPV(ERRSV, na);
293 tmps = "Warning: something's wrong";
302 if (SP - MARK != 1) {
304 do_join(TARG, &sv_no, MARK, SP);
305 tmps = SvPV(TARG, na);
309 tmps = SvPV(TOPs, na);
311 if (!tmps || !*tmps) {
312 (void)SvUPGRADE(ERRSV, SVt_PV);
313 if (SvPOK(ERRSV) && SvCUR(ERRSV))
314 sv_catpv(ERRSV, "\t...propagated");
315 tmps = SvPV(ERRSV, na);
335 DIE(no_usym, "filehandle");
340 DIE(no_usym, "filehandle");
342 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
343 tmps = SvPV(sv, len);
344 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp))
345 PUSHi( (I32)forkprocess );
346 else if (forkprocess == 0) /* we are a new child */
363 PUSHs(boolSV(do_close(gv, TRUE)));
383 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
384 DIE(no_usym, "filehandle");
389 do_close(rgv, FALSE);
391 do_close(wgv, FALSE);
396 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
397 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
398 IoIFP(wstio) = IoOFP(wstio);
402 if (!IoIFP(rstio) || !IoOFP(wstio)) {
403 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
405 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
415 DIE(no_func, "pipe");
428 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
430 PUSHi(PerlIO_fileno(fp));
446 TAINT_PROPER("umask");
449 DIE(no_func, "Unsupported function umask");
467 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
472 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
477 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1) {
478 #if defined(WIN32) && defined(__BORLANDC__)
479 /* The translation mode of the stream is maintained independent
480 * of the translation mode of the fd in the Borland RTL (heavy
481 * digging through their runtime sources reveal). User has to
482 * set the mode explicitly for the stream (though they don't
483 * document this anywhere). GSAR 97-5-24
485 PerlIO_seek(fp,0L,0);
494 #if defined(USEMYBINMODE)
495 if (my_binmode(fp,IoTYPE(io)) != NULL)
514 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
515 I32 markoff = mark - stack_base - 1;
519 bool oldcatch = CATCH_GET;
523 if (SvTYPE(varsv) == SVt_PVHV)
524 methname = "TIEHASH";
525 else if (SvTYPE(varsv) == SVt_PVAV)
526 methname = "TIEARRAY";
527 else if (SvTYPE(varsv) == SVt_PVGV)
528 methname = "TIEHANDLE";
530 methname = "TIESCALAR";
532 stash = gv_stashsv(mark[1], FALSE);
533 if (!stash || !(gv = gv_fetchmethod(stash, methname)))
534 DIE("Can't locate object method \"%s\" via package \"%s\"",
535 methname, SvPV(mark[1],na));
538 Zero(&myop, 1, BINOP);
539 myop.op_last = (OP *) &myop;
540 myop.op_next = Nullop;
541 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
547 if (PERLDB_SUB && curstash != debstash)
548 op->op_private |= OPpENTERSUB_DB;
550 XPUSHs((SV*)GvCV(gv));
553 if (op = pp_entersub(ARGS))
560 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
564 if (sv_isobject(sv)) {
565 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
566 sv_unmagic(varsv, 'P');
567 sv_magic(varsv, sv, 'P', Nullch, 0);
570 sv_unmagic(varsv, 'q');
571 sv_magic(varsv, sv, 'q', 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 bool oldcatch = CATCH_GET;
645 sv = sv_mortalcopy(&sv_no);
646 sv_setpv(sv, "AnyDBM_File");
647 stash = gv_stashsv(sv, FALSE);
648 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
650 perl_require_pv("AnyDBM_File.pm");
652 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
653 DIE("No dbm on this machine");
657 Zero(&myop, 1, BINOP);
658 myop.op_last = (OP *) &myop;
659 myop.op_next = Nullop;
660 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
666 if (PERLDB_SUB && curstash != debstash)
667 op->op_private |= OPpENTERSUB_DB;
678 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
680 PUSHs(sv_2mortal(newSViv(O_RDWR)));
683 PUSHs((SV*)GvCV(gv));
686 if (op = pp_entersub(ARGS))
690 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
694 if (!sv_isobject(TOPs)) {
706 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
709 PUSHs((SV*)GvCV(gv));
714 if (op = pp_entersub(ARGS))
717 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
725 if (sv_isobject(TOPs))
726 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
733 return pp_untie(ARGS);
747 struct timeval timebuf;
748 struct timeval *tbuf = &timebuf;
751 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
756 # if BYTEORDER & 0xf0000
757 # define ORDERBYTE (0x88888888 - BYTEORDER)
759 # define ORDERBYTE (0x4444 - BYTEORDER)
765 for (i = 1; i <= 3; i++) {
773 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
774 #if defined(__linux__) || defined(OS2)
775 growsize = sizeof(fd_set);
777 growsize = maxlen; /* little endians can use vecs directly */
786 masksize = NFDBITS / NBBY;
788 masksize = sizeof(long); /* documented int, everyone seems to use long */
790 growsize = maxlen + (masksize - (maxlen % masksize));
791 Zero(&fd_sets[0], 4, char*);
799 timebuf.tv_sec = (long)value;
800 value -= (double)timebuf.tv_sec;
801 timebuf.tv_usec = (long)(value * 1000000.0);
804 tbuf = Null(struct timeval*);
806 for (i = 1; i <= 3; i++) {
813 SvPV_force(sv,na); /* force string conversion */
816 Sv_Grow(sv, growsize);
820 while (++j <= growsize) {
824 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
826 New(403, fd_sets[i], growsize, char);
827 for (offset = 0; offset < growsize; offset += masksize) {
828 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
829 fd_sets[i][j+offset] = s[(k % masksize) + offset];
832 fd_sets[i] = SvPVX(sv);
838 (Select_fd_set_t) fd_sets[1],
839 (Select_fd_set_t) fd_sets[2],
840 (Select_fd_set_t) fd_sets[3],
842 for (i = 1; i <= 3; i++) {
845 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
847 for (offset = 0; offset < growsize; offset += masksize) {
848 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
849 s[(k % masksize) + offset] = fd_sets[i][j+offset];
851 Safefree(fd_sets[i]);
858 if (GIMME == G_ARRAY && tbuf) {
859 value = (double)(timebuf.tv_sec) +
860 (double)(timebuf.tv_usec) / 1000000.0;
861 PUSHs(sv = sv_mortalcopy(&sv_no));
866 DIE("select not implemented");
875 (void)SvREFCNT_inc(gv);
877 SvREFCNT_dec(defoutgv);
887 newdefout = (op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
889 egv = GvEGV(defoutgv);
896 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
897 if (gvp && *gvp == egv) {
898 gv_efullname3(TARG, defoutgv, Nullch);
902 XPUSHs(sv_2mortal(newRV((SV*)egv)));
907 if (!GvIO(newdefout))
909 setdefout(newdefout);
928 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
934 perl_call_method("GETC", gimme);
937 if (gimme == G_SCALAR)
938 SvSetMagicSV_nosteal(TARG, TOPs);
941 if (!gv || do_eof(gv)) /* make sure we have fp with something */
945 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
952 return pp_sysread(ARGS);
956 doform(CV *cv, GV *gv, OP *retop)
959 register PERL_CONTEXT *cx;
961 AV* padlist = CvPADLIST(cv);
962 SV** svp = AvARRAY(padlist);
968 PUSHBLOCK(cx, CXt_SUB, stack_sp);
971 curpad = AvARRAY((AV*)svp[1]);
973 setdefout(gv); /* locally select filehandle so $% et al work */
1005 SV *tmpsv = sv_newmortal();
1006 gv_efullname3(tmpsv, fgv, Nullch);
1007 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
1009 DIE("Not a format reference");
1012 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1014 IoFLAGS(io) &= ~IOf_DIDTOP;
1015 return doform(cv,gv,op->op_next);
1021 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1022 register IO *io = GvIOp(gv);
1023 PerlIO *ofp = IoOFP(io);
1027 register PERL_CONTEXT *cx;
1029 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1030 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
1031 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
1032 formtarget != toptarget)
1036 if (!IoTOP_GV(io)) {
1040 if (!IoTOP_NAME(io)) {
1041 if (!IoFMT_NAME(io))
1042 IoFMT_NAME(io) = savepv(GvNAME(gv));
1043 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1044 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1045 if ((topgv && GvFORM(topgv)) ||
1046 !gv_fetchpv("top",FALSE,SVt_PVFM))
1047 IoTOP_NAME(io) = savepv(SvPVX(topname));
1049 IoTOP_NAME(io) = savepv("top");
1051 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1052 if (!topgv || !GvFORM(topgv)) {
1053 IoLINES_LEFT(io) = 100000000;
1056 IoTOP_GV(io) = topgv;
1058 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1059 I32 lines = IoLINES_LEFT(io);
1060 char *s = SvPVX(formtarget);
1061 if (lines <= 0) /* Yow, header didn't even fit!!! */
1063 while (lines-- > 0) {
1064 s = strchr(s, '\n');
1070 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1071 sv_chop(formtarget, s);
1072 FmLINES(formtarget) -= IoLINES_LEFT(io);
1075 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1076 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1077 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1079 formtarget = toptarget;
1080 IoFLAGS(io) |= IOf_DIDTOP;
1083 DIE("bad top format reference");
1086 SV *tmpsv = sv_newmortal();
1087 gv_efullname3(tmpsv, fgv, Nullch);
1088 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1091 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1092 return doform(cv,gv,op);
1104 warn("Filehandle only opened for input");
1106 warn("Write on closed filehandle");
1111 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1113 warn("page overflow");
1115 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1119 FmLINES(formtarget) = 0;
1120 SvCUR_set(formtarget, 0);
1121 *SvEND(formtarget) = '\0';
1122 if (IoFLAGS(io) & IOf_FLUSH)
1123 (void)PerlIO_flush(fp);
1127 formtarget = bodytarget;
1129 return pop_return();
1134 djSP; dMARK; dORIGMARK;
1141 if (op->op_flags & OPf_STACKED)
1146 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1147 if (MARK == ORIGMARK) {
1150 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1157 perl_call_method("PRINTF", G_SCALAR);
1160 MARK = ORIGMARK + 1;
1167 if (!(io = GvIO(gv))) {
1169 gv_fullname3(sv, gv, Nullch);
1170 warn("Filehandle %s never opened", SvPV(sv,na));
1172 SETERRNO(EBADF,RMS$_IFI);
1175 else if (!(fp = IoOFP(io))) {
1177 gv_fullname3(sv, gv, Nullch);
1179 warn("Filehandle %s opened only for input", SvPV(sv,na));
1181 warn("printf on closed filehandle %s", SvPV(sv,na));
1183 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1187 #ifdef USE_LOCALE_NUMERIC
1188 if (op->op_private & OPpLOCALE)
1189 SET_NUMERIC_LOCAL();
1191 SET_NUMERIC_STANDARD();
1193 do_sprintf(sv, SP - MARK, MARK + 1);
1194 if (!do_print(sv, fp))
1197 if (IoFLAGS(io) & IOf_FLUSH)
1198 if (PerlIO_flush(fp) == EOF)
1230 tmps = SvPV(sv, len);
1231 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1232 IoLINES(GvIOp(gv)) = 0;
1243 djSP; dMARK; dORIGMARK; dTARGET;
1249 Sock_size_t bufsize;
1255 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1256 SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1263 perl_call_method("READ", G_SCALAR);
1276 sv_setpvn(bufsv, "", 0);
1277 buffer = SvPV_force(bufsv, blen);
1278 length = SvIVx(*++MARK);
1280 DIE("Negative length");
1283 offset = SvIVx(*++MARK);
1287 if (!io || !IoIFP(io))
1290 if (op->op_type == OP_RECV) {
1291 char namebuf[MAXPATHLEN];
1292 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1293 bufsize = sizeof (struct sockaddr_in);
1295 bufsize = sizeof namebuf;
1297 buffer = SvGROW(bufsv, length+1);
1298 /* 'offset' means 'flags' here */
1299 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1300 (struct sockaddr *)namebuf, &bufsize);
1303 SvCUR_set(bufsv, length);
1304 *SvEND(bufsv) = '\0';
1305 (void)SvPOK_only(bufsv);
1307 /* This should not be marked tainted if the fp is marked clean */
1308 if (!(IoFLAGS(io) & IOf_UNTAINT))
1309 SvTAINTED_on(bufsv);
1311 sv_setpvn(TARG, namebuf, bufsize);
1316 if (op->op_type == OP_RECV)
1317 DIE(no_sock_func, "recv");
1321 DIE("Offset outside string");
1324 bufsize = SvCUR(bufsv);
1325 buffer = SvGROW(bufsv, length+offset+1);
1326 if (offset > bufsize) { /* Zero any newly allocated space */
1327 Zero(buffer+bufsize, offset-bufsize, char);
1329 if (op->op_type == OP_SYSREAD) {
1330 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1333 #ifdef HAS_SOCKET__bad_code_maybe
1334 if (IoTYPE(io) == 's') {
1335 char namebuf[MAXPATHLEN];
1336 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1337 bufsize = sizeof (struct sockaddr_in);
1339 bufsize = sizeof namebuf;
1341 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1342 (struct sockaddr *)namebuf, &bufsize);
1346 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1349 SvCUR_set(bufsv, length+offset);
1350 *SvEND(bufsv) = '\0';
1351 (void)SvPOK_only(bufsv);
1353 /* This should not be marked tainted if the fp is marked clean */
1354 if (!(IoFLAGS(io) & IOf_UNTAINT))
1355 SvTAINTED_on(bufsv);
1367 return pp_send(ARGS);
1372 djSP; dMARK; dORIGMARK; dTARGET;
1385 buffer = SvPV(bufsv, blen);
1386 length = SvIVx(*++MARK);
1388 DIE("Negative length");
1391 if (!io || !IoIFP(io)) {
1394 if (op->op_type == OP_SYSWRITE)
1395 warn("Syswrite on closed filehandle");
1397 warn("Send on closed socket");
1400 else if (op->op_type == OP_SYSWRITE) {
1402 offset = SvIVx(*++MARK);
1405 DIE("Offset outside string");
1407 } else if (offset >= blen && blen > 0)
1408 DIE("Offset outside string");
1411 if (length > blen - offset)
1412 length = blen - offset;
1413 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1416 else if (SP > MARK) {
1419 sockbuf = SvPVx(*++MARK, mlen);
1420 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1421 (struct sockaddr *)sockbuf, mlen);
1424 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1428 DIE(no_sock_func, "send");
1443 return pp_sysread(ARGS);
1454 gv = last_in_gv = (GV*)POPs;
1455 PUSHs(boolSV(!gv || do_eof(gv)));
1467 gv = last_in_gv = (GV*)POPs;
1468 PUSHi( do_tell(gv) );
1474 return pp_sysseek(ARGS);
1484 gv = last_in_gv = (GV*)POPs;
1485 if (op->op_type == OP_SEEK)
1486 PUSHs(boolSV(do_seek(gv, offset, whence)));
1488 long n = do_sysseek(gv, offset, whence);
1489 PUSHs((n < 0) ? &sv_undef
1490 : sv_2mortal(n ? newSViv((IV)n)
1491 : newSVpv(zero_but_true, ZBTLEN)));
1499 Off_t len = (Off_t)POPn;
1504 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1505 if (op->op_flags & OPf_SPECIAL) {
1506 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1508 TAINT_PROPER("truncate");
1509 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1511 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1513 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1521 if (SvTYPE(sv) == SVt_PVGV) {
1522 tmpgv = (GV*)sv; /* *main::FRED for example */
1525 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1526 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1530 name = SvPV(sv, na);
1531 TAINT_PROPER("truncate");
1533 if (truncate(name, len) < 0)
1538 if ((tmpfd = open(name, O_RDWR)) < 0)
1541 if (my_chsize(tmpfd, len) < 0)
1552 SETERRNO(EBADF,RMS$_IFI);
1555 DIE("truncate not implemented");
1561 return pp_ioctl(ARGS);
1568 unsigned int func = U_I(POPn);
1569 int optype = op->op_type;
1575 if (!io || !argsv || !IoIFP(io)) {
1576 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1580 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1583 s = SvPV_force(argsv, len);
1584 need = IOCPARM_LEN(func);
1586 s = Sv_Grow(argsv, need + 1);
1587 SvCUR_set(argsv, need);
1590 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1593 retval = SvIV(argsv);
1594 s = (char*)retval; /* ouch */
1597 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1599 if (optype == OP_IOCTL)
1601 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1603 DIE("ioctl is not implemented");
1607 #if defined(OS2) && defined(__EMX__)
1608 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1610 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1613 DIE("fcntl is not implemented");
1617 if (s[SvCUR(argsv)] != 17)
1618 DIE("Possible memory corruption: %s overflowed 3rd argument",
1620 s[SvCUR(argsv)] = 0; /* put our null back */
1621 SvSETMAGIC(argsv); /* Assume it has changed */
1630 PUSHp(zero_but_true, ZBTLEN);
1650 fp = IoIFP(GvIOp(gv));
1654 (void)PerlIO_flush(fp);
1655 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1662 DIE(no_func, "flock()");
1674 int protocol = POPi;
1682 SETERRNO(EBADF,LIB$_INVARG);
1688 do_close(gv, FALSE);
1690 TAINT_PROPER("socket");
1691 fd = socket(domain, type, protocol);
1694 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1695 IoOFP(io) = PerlIO_fdopen(fd, "w");
1697 if (!IoIFP(io) || !IoOFP(io)) {
1698 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1699 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1700 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1706 DIE(no_sock_func, "socket");
1713 #ifdef HAS_SOCKETPAIR
1718 int protocol = POPi;
1731 do_close(gv1, FALSE);
1733 do_close(gv2, FALSE);
1735 TAINT_PROPER("socketpair");
1736 if (socketpair(domain, type, protocol, fd) < 0)
1738 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1739 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1741 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1742 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1744 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1745 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1746 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1747 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1748 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1749 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1750 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1756 DIE(no_sock_func, "socketpair");
1767 register IO *io = GvIOn(gv);
1770 if (!io || !IoIFP(io))
1773 addr = SvPV(addrsv, len);
1774 TAINT_PROPER("bind");
1775 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1782 warn("bind() on closed fd");
1783 SETERRNO(EBADF,SS$_IVCHAN);
1786 DIE(no_sock_func, "bind");
1797 register IO *io = GvIOn(gv);
1800 if (!io || !IoIFP(io))
1803 addr = SvPV(addrsv, len);
1804 TAINT_PROPER("connect");
1805 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1812 warn("connect() on closed fd");
1813 SETERRNO(EBADF,SS$_IVCHAN);
1816 DIE(no_sock_func, "connect");
1826 register IO *io = GvIOn(gv);
1828 if (!io || !IoIFP(io))
1831 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1838 warn("listen() on closed fd");
1839 SETERRNO(EBADF,SS$_IVCHAN);
1842 DIE(no_sock_func, "listen");
1854 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1855 Sock_size_t len = sizeof saddr;
1867 if (!gstio || !IoIFP(gstio))
1872 do_close(ngv, FALSE);
1874 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1877 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1878 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1879 IoTYPE(nstio) = 's';
1880 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1881 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1882 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1883 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1887 PUSHp((char *)&saddr, len);
1892 warn("accept() on closed fd");
1893 SETERRNO(EBADF,SS$_IVCHAN);
1899 DIE(no_sock_func, "accept");
1909 register IO *io = GvIOn(gv);
1911 if (!io || !IoIFP(io))
1914 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1919 warn("shutdown() on closed fd");
1920 SETERRNO(EBADF,SS$_IVCHAN);
1923 DIE(no_sock_func, "shutdown");
1930 return pp_ssockopt(ARGS);
1932 DIE(no_sock_func, "getsockopt");
1940 int optype = op->op_type;
1943 unsigned int optname;
1949 if (optype == OP_GSOCKOPT)
1950 sv = sv_2mortal(NEWSV(22, 257));
1953 optname = (unsigned int) POPi;
1954 lvl = (unsigned int) POPi;
1958 if (!io || !IoIFP(io))
1961 fd = PerlIO_fileno(IoIFP(io));
1965 (void)SvPOK_only(sv);
1969 if (getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1982 else if (SvOK(sv)) {
1983 aint = (int)SvIV(sv);
1987 if (setsockopt(fd, lvl, optname, buf, len) < 0)
1997 warn("[gs]etsockopt() on closed fd");
1998 SETERRNO(EBADF,SS$_IVCHAN);
2003 DIE(no_sock_func, "setsockopt");
2010 return pp_getpeername(ARGS);
2012 DIE(no_sock_func, "getsockname");
2020 int optype = op->op_type;
2024 register IO *io = GvIOn(gv);
2027 if (!io || !IoIFP(io))
2030 sv = sv_2mortal(NEWSV(22, 257));
2031 (void)SvPOK_only(sv);
2035 fd = PerlIO_fileno(IoIFP(io));
2037 case OP_GETSOCKNAME:
2038 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2041 case OP_GETPEERNAME:
2042 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2044 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2046 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2047 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2048 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2049 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2050 sizeof(u_short) + sizeof(struct in_addr))) {
2057 #ifdef BOGUS_GETNAME_RETURN
2058 /* Interactive Unix, getpeername() and getsockname()
2059 does not return valid namelen */
2060 if (len == BOGUS_GETNAME_RETURN)
2061 len = sizeof(struct sockaddr);
2070 warn("get{sock, peer}name() on closed fd");
2071 SETERRNO(EBADF,SS$_IVCHAN);
2076 DIE(no_sock_func, "getpeername");
2084 return pp_stat(ARGS);
2094 if (op->op_flags & OPf_REF) {
2095 tmpgv = cGVOP->op_gv;
2097 if (tmpgv != defgv) {
2098 laststype = OP_STAT;
2100 sv_setpv(statname, "");
2101 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2102 ? Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2104 if (laststatval < 0)
2109 if (SvTYPE(sv) == SVt_PVGV) {
2113 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2114 tmpgv = (GV*)SvRV(sv);
2117 sv_setpv(statname, SvPV(sv,na));
2120 laststype = op->op_type;
2121 if (op->op_type == OP_LSTAT)
2122 laststatval = lstat(SvPV(statname, na), &statcache);
2125 laststatval = Stat(SvPV(statname, na), &statcache);
2126 if (laststatval < 0) {
2127 if (dowarn && strchr(SvPV(statname, na), '\n'))
2128 warn(warn_nl, "stat");
2134 if (gimme != G_ARRAY) {
2135 if (gimme != G_VOID)
2136 XPUSHs(boolSV(max));
2142 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2143 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2144 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2145 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2146 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2147 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2148 #ifdef USE_STAT_RDEV
2149 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2151 PUSHs(sv_2mortal(newSVpv("", 0)));
2153 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2155 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2156 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2157 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2159 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2160 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2161 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2163 #ifdef USE_STAT_BLOCKS
2164 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2165 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2167 PUSHs(sv_2mortal(newSVpv("", 0)));
2168 PUSHs(sv_2mortal(newSVpv("", 0)));
2176 I32 result = my_stat(ARGS);
2180 if (cando(S_IRUSR, 0, &statcache))
2187 I32 result = my_stat(ARGS);
2191 if (cando(S_IWUSR, 0, &statcache))
2198 I32 result = my_stat(ARGS);
2202 if (cando(S_IXUSR, 0, &statcache))
2209 I32 result = my_stat(ARGS);
2213 if (cando(S_IRUSR, 1, &statcache))
2220 I32 result = my_stat(ARGS);
2224 if (cando(S_IWUSR, 1, &statcache))
2231 I32 result = my_stat(ARGS);
2235 if (cando(S_IXUSR, 1, &statcache))
2242 I32 result = my_stat(ARGS);
2251 return pp_ftrowned(ARGS);
2256 I32 result = my_stat(ARGS);
2260 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2267 I32 result = my_stat(ARGS);
2271 if (!statcache.st_size)
2278 I32 result = my_stat(ARGS);
2282 PUSHi(statcache.st_size);
2288 I32 result = my_stat(ARGS);
2292 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2298 I32 result = my_stat(ARGS);
2302 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2308 I32 result = my_stat(ARGS);
2312 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2318 I32 result = my_stat(ARGS);
2322 if (S_ISSOCK(statcache.st_mode))
2329 I32 result = my_stat(ARGS);
2333 if (S_ISCHR(statcache.st_mode))
2340 I32 result = my_stat(ARGS);
2344 if (S_ISBLK(statcache.st_mode))
2351 I32 result = my_stat(ARGS);
2355 if (S_ISREG(statcache.st_mode))
2362 I32 result = my_stat(ARGS);
2366 if (S_ISDIR(statcache.st_mode))
2373 I32 result = my_stat(ARGS);
2377 if (S_ISFIFO(statcache.st_mode))
2384 I32 result = my_lstat(ARGS);
2388 if (S_ISLNK(statcache.st_mode))
2397 I32 result = my_stat(ARGS);
2401 if (statcache.st_mode & S_ISUID)
2411 I32 result = my_stat(ARGS);
2415 if (statcache.st_mode & S_ISGID)
2425 I32 result = my_stat(ARGS);
2429 if (statcache.st_mode & S_ISVTX)
2440 char *tmps = Nullch;
2442 if (op->op_flags & OPf_REF)
2444 else if (isGV(TOPs))
2446 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2447 gv = (GV*)SvRV(POPs);
2449 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2451 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2452 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2453 else if (tmps && isDIGIT(*tmps))
2462 #if defined(atarist) /* this will work with atariST. Configure will
2463 make guesses for other systems. */
2464 # define FILE_base(f) ((f)->_base)
2465 # define FILE_ptr(f) ((f)->_ptr)
2466 # define FILE_cnt(f) ((f)->_cnt)
2467 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2477 register STDCHAR *s;
2482 if (op->op_flags & OPf_REF)
2484 else if (isGV(TOPs))
2486 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2487 gv = (GV*)SvRV(POPs);
2498 goto really_filename;
2504 sv_setpv(statname, "");
2507 if (io && IoIFP(io)) {
2508 if (! PerlIO_has_base(IoIFP(io)))
2509 DIE("-T and -B not implemented on filehandles");
2510 laststatval = Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2511 if (laststatval < 0)
2513 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2514 if (op->op_type == OP_FTTEXT)
2518 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2519 i = PerlIO_getc(IoIFP(io));
2521 (void)PerlIO_ungetc(IoIFP(io),i);
2523 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2525 len = PerlIO_get_bufsiz(IoIFP(io));
2526 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2527 /* sfio can have large buffers - limit to 512 */
2533 warn("Test on unopened file <%s>",
2534 GvENAME(cGVOP->op_gv));
2535 SETERRNO(EBADF,RMS$_IFI);
2544 sv_setpv(statname, SvPV(sv, na));
2546 i = open(SvPV(sv, na), O_RDONLY, 0);
2548 i = open(SvPV(sv, na), 0);
2551 if (dowarn && strchr(SvPV(sv, na), '\n'))
2552 warn(warn_nl, "open");
2555 laststatval = Fstat(i, &statcache);
2556 if (laststatval < 0)
2558 len = read(i, tbuf, 512);
2561 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2562 RETPUSHNO; /* special case NFS directories */
2563 RETPUSHYES; /* null file is anything */
2568 /* now scan s to look for textiness */
2569 /* XXX ASCII dependent code */
2571 for (i = 0; i < len; i++, s++) {
2572 if (!*s) { /* null never allowed in text */
2579 *s != '\n' && *s != '\r' && *s != '\b' &&
2580 *s != '\t' && *s != '\f' && *s != 27)
2584 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2592 return pp_fttext(ARGS);
2607 if (!tmps || !*tmps) {
2608 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2610 tmps = SvPV(*svp, na);
2612 if (!tmps || !*tmps) {
2613 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2615 tmps = SvPV(*svp, na);
2617 TAINT_PROPER("chdir");
2618 PUSHi( chdir(tmps) >= 0 );
2620 /* Clear the DEFAULT element of ENV so we'll get the new value
2622 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2629 djSP; dMARK; dTARGET;
2632 value = (I32)apply(op->op_type, MARK, SP);
2637 DIE(no_func, "Unsupported function chown");
2647 TAINT_PROPER("chroot");
2648 PUSHi( chroot(tmps) >= 0 );
2651 DIE(no_func, "chroot");
2657 djSP; dMARK; dTARGET;
2659 value = (I32)apply(op->op_type, MARK, SP);
2667 djSP; dMARK; dTARGET;
2669 value = (I32)apply(op->op_type, MARK, SP);
2677 djSP; dMARK; dTARGET;
2679 value = (I32)apply(op->op_type, MARK, SP);
2691 char *tmps = SvPV(TOPs, na);
2692 TAINT_PROPER("rename");
2694 anum = rename(tmps, tmps2);
2696 if (!(anum = Stat(tmps, &statbuf))) {
2697 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2700 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2701 (void)UNLINK(tmps2);
2702 if (!(anum = link(tmps, tmps2)))
2703 anum = UNLINK(tmps);
2716 char *tmps = SvPV(TOPs, na);
2717 TAINT_PROPER("link");
2718 SETi( link(tmps, tmps2) >= 0 );
2720 DIE(no_func, "Unsupported function link");
2730 char *tmps = SvPV(TOPs, na);
2731 TAINT_PROPER("symlink");
2732 SETi( symlink(tmps, tmps2) >= 0 );
2735 DIE(no_func, "symlink");
2744 char buf[MAXPATHLEN];
2747 #ifndef INCOMPLETE_TAINTS
2751 len = readlink(tmps, buf, sizeof buf);
2759 RETSETUNDEF; /* just pretend it's a normal file */
2763 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2765 dooneliner(cmd, filename)
2769 char *save_filename = filename;
2775 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2776 strcpy(cmdline, cmd);
2777 strcat(cmdline, " ");
2778 for (s = cmdline + strlen(cmdline); *filename; ) {
2783 myfp = my_popen(cmdline, "r");
2787 SV *tmpsv = sv_newmortal();
2788 /* Need to save/restore 'rs' ?? */
2789 s = sv_gets(tmpsv, myfp, 0);
2790 (void)my_pclose(myfp);
2794 #ifdef HAS_SYS_ERRLIST
2799 /* you don't see this */
2801 #ifdef HAS_SYS_ERRLIST
2809 if (instr(s, errmsg)) {
2816 #define EACCES EPERM
2818 if (instr(s, "cannot make"))
2819 SETERRNO(EEXIST,RMS$_FEX);
2820 else if (instr(s, "existing file"))
2821 SETERRNO(EEXIST,RMS$_FEX);
2822 else if (instr(s, "ile exists"))
2823 SETERRNO(EEXIST,RMS$_FEX);
2824 else if (instr(s, "non-exist"))
2825 SETERRNO(ENOENT,RMS$_FNF);
2826 else if (instr(s, "does not exist"))
2827 SETERRNO(ENOENT,RMS$_FNF);
2828 else if (instr(s, "not empty"))
2829 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2830 else if (instr(s, "cannot access"))
2831 SETERRNO(EACCES,RMS$_PRV);
2833 SETERRNO(EPERM,RMS$_PRV);
2836 else { /* some mkdirs return no failure indication */
2837 anum = (Stat(save_filename, &statbuf) >= 0);
2838 if (op->op_type == OP_RMDIR)
2843 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2859 char *tmps = SvPV(TOPs, na);
2861 TAINT_PROPER("mkdir");
2863 SETi( Mkdir(tmps, mode) >= 0 );
2865 SETi( dooneliner("mkdir", tmps) );
2866 oldumask = umask(0);
2868 chmod(tmps, (mode & ~oldumask) & 0777);
2879 TAINT_PROPER("rmdir");
2881 XPUSHi( rmdir(tmps) >= 0 );
2883 XPUSHi( dooneliner("rmdir", tmps) );
2888 /* Directory calls. */
2893 #if defined(Direntry_t) && defined(HAS_READDIR)
2894 char *dirname = POPp;
2896 register IO *io = GvIOn(gv);
2902 closedir(IoDIRP(io));
2903 if (!(IoDIRP(io) = opendir(dirname)))
2909 SETERRNO(EBADF,RMS$_DIR);
2912 DIE(no_dir_func, "opendir");
2919 #if defined(Direntry_t) && defined(HAS_READDIR)
2921 Direntry_t *readdir _((DIR *));
2923 register Direntry_t *dp;
2925 register IO *io = GvIOn(gv);
2928 if (!io || !IoDIRP(io))
2931 if (GIMME == G_ARRAY) {
2933 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2935 sv = newSVpv(dp->d_name, dp->d_namlen);
2937 sv = newSVpv(dp->d_name, 0);
2939 #ifndef INCOMPLETE_TAINTS
2942 XPUSHs(sv_2mortal(sv));
2946 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2949 sv = newSVpv(dp->d_name, dp->d_namlen);
2951 sv = newSVpv(dp->d_name, 0);
2953 #ifndef INCOMPLETE_TAINTS
2956 XPUSHs(sv_2mortal(sv));
2962 SETERRNO(EBADF,RMS$_ISI);
2963 if (GIMME == G_ARRAY)
2968 DIE(no_dir_func, "readdir");
2975 #if defined(HAS_TELLDIR) || defined(telldir)
2976 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE) && !defined(DONT_DECLARE_STD)
2977 long telldir _((DIR *));
2980 register IO *io = GvIOn(gv);
2982 if (!io || !IoDIRP(io))
2985 PUSHi( telldir(IoDIRP(io)) );
2989 SETERRNO(EBADF,RMS$_ISI);
2992 DIE(no_dir_func, "telldir");
2999 #if defined(HAS_SEEKDIR) || defined(seekdir)
3002 register IO *io = GvIOn(gv);
3004 if (!io || !IoDIRP(io))
3007 (void)seekdir(IoDIRP(io), along);
3012 SETERRNO(EBADF,RMS$_ISI);
3015 DIE(no_dir_func, "seekdir");
3022 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3024 register IO *io = GvIOn(gv);
3026 if (!io || !IoDIRP(io))
3029 (void)rewinddir(IoDIRP(io));
3033 SETERRNO(EBADF,RMS$_ISI);
3036 DIE(no_dir_func, "rewinddir");
3043 #if defined(Direntry_t) && defined(HAS_READDIR)
3045 register IO *io = GvIOn(gv);
3047 if (!io || !IoDIRP(io))
3050 #ifdef VOID_CLOSEDIR
3051 closedir(IoDIRP(io));
3053 if (closedir(IoDIRP(io)) < 0) {
3054 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3063 SETERRNO(EBADF,RMS$_IFI);
3066 DIE(no_dir_func, "closedir");
3070 /* Process control. */
3085 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3086 sv_setiv(GvSV(tmpgv), (IV)getpid());
3087 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3092 DIE(no_func, "Unsupported function fork");
3098 #if !defined(DOSISH) || defined(OS2)
3103 childpid = wait4pid(-1, &argflags, 0);
3104 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3108 DIE(no_func, "Unsupported function wait");
3114 #if !defined(DOSISH) || defined(OS2)
3122 childpid = wait4pid(childpid, &argflags, optype);
3123 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3127 DIE(no_func, "Unsupported function wait");
3133 djSP; dMARK; dORIGMARK; dTARGET;
3138 Sigsave_t ihand,qhand; /* place to save signals during system() */
3140 if (SP - MARK == 1) {
3142 char *junk = SvPV(TOPs, na);
3144 TAINT_PROPER("system");
3147 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3148 while ((childpid = vfork()) == -1) {
3149 if (errno != EAGAIN) {
3158 rsignal_save(SIGINT, SIG_IGN, &ihand);
3159 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3161 result = wait4pid(childpid, &status, 0);
3162 } while (result == -1 && errno == EINTR);
3163 (void)rsignal_restore(SIGINT, &ihand);
3164 (void)rsignal_restore(SIGQUIT, &qhand);
3165 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3166 do_execfree(); /* free any memory child malloced on vfork */
3168 PUSHi(STATUS_CURRENT);
3171 if (op->op_flags & OPf_STACKED) {
3172 SV *really = *++MARK;
3173 value = (I32)do_aexec(really, MARK, SP);
3175 else if (SP - MARK != 1)
3176 value = (I32)do_aexec(Nullsv, MARK, SP);
3178 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3181 #else /* ! FORK or VMS or OS/2 */
3182 if (op->op_flags & OPf_STACKED) {
3183 SV *really = *++MARK;
3184 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3186 else if (SP - MARK != 1)
3187 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3189 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3191 STATUS_NATIVE_SET(value);
3194 PUSHi(STATUS_CURRENT);
3195 #endif /* !FORK or VMS */
3201 djSP; dMARK; dORIGMARK; dTARGET;
3204 if (op->op_flags & OPf_STACKED) {
3205 SV *really = *++MARK;
3206 value = (I32)do_aexec(really, MARK, SP);
3208 else if (SP - MARK != 1)
3210 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3212 value = (I32)do_aexec(Nullsv, MARK, SP);
3216 char *junk = SvPV(*SP, na);
3218 TAINT_PROPER("exec");
3221 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3223 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3233 djSP; dMARK; dTARGET;
3236 value = (I32)apply(op->op_type, MARK, SP);
3241 DIE(no_func, "Unsupported function kill");
3249 XPUSHi( getppid() );
3252 DIE(no_func, "getppid");
3268 value = (I32)BSD_GETPGRP(pid);
3270 if (pid != 0 && pid != getpid())
3271 DIE("POSIX getpgrp can't take an argument");
3272 value = (I32)getpgrp();
3277 DIE(no_func, "getpgrp()");
3296 TAINT_PROPER("setpgrp");
3298 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3300 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3301 DIE("POSIX setpgrp can't take an argument");
3302 SETi( setpgrp() >= 0 );
3303 #endif /* USE_BSDPGRP */
3306 DIE(no_func, "setpgrp()");
3315 #ifdef HAS_GETPRIORITY
3318 SETi( getpriority(which, who) );
3321 DIE(no_func, "getpriority()");
3331 #ifdef HAS_SETPRIORITY
3335 TAINT_PROPER("setpriority");
3336 SETi( setpriority(which, who, niceval) >= 0 );
3339 DIE(no_func, "setpriority()");
3349 XPUSHn( time(Null(Time_t*)) );
3351 XPUSHi( time(Null(Time_t*)) );
3356 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3357 to HZ. Probably. For now, assume that if the system
3358 defines HZ, it does so correctly. (Will this break
3360 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3361 it's supported. --AD 9/96.
3377 DIE("times not implemented");
3382 (void)times(×buf);
3384 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3385 /* struct tms, though same data */
3389 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3390 if (GIMME == G_ARRAY) {
3391 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3392 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3393 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3396 #endif /* HAS_TIMES */
3401 return pp_gmtime(ARGS);
3409 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3410 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3411 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3417 when = (Time_t)SvNVx(POPs);
3419 when = (Time_t)SvIVx(POPs);
3422 if (op->op_type == OP_LOCALTIME)
3423 tmbuf = localtime(&when);
3425 tmbuf = gmtime(&when);
3429 if (GIMME != G_ARRAY) {
3434 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3435 dayname[tmbuf->tm_wday],
3436 monname[tmbuf->tm_mon],
3441 tmbuf->tm_year + 1900);
3442 PUSHs(sv_2mortal(tsv));
3445 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3446 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3447 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3448 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3449 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3450 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3451 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3452 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3453 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3464 anum = alarm((unsigned int)anum);
3471 DIE(no_func, "Unsupported function alarm");
3482 (void)time(&lasttime);
3487 sleep((unsigned int)duration);
3490 XPUSHi(when - lasttime);
3494 /* Shared memory. */
3498 return pp_semget(ARGS);
3503 return pp_semctl(ARGS);
3508 return pp_shmwrite(ARGS);
3513 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3514 djSP; dMARK; dTARGET;
3515 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3520 return pp_semget(ARGS);
3524 /* Message passing. */
3528 return pp_semget(ARGS);
3533 return pp_semctl(ARGS);
3538 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3539 djSP; dMARK; dTARGET;
3540 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3545 return pp_semget(ARGS);
3551 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3552 djSP; dMARK; dTARGET;
3553 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3558 return pp_semget(ARGS);
3566 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3567 djSP; dMARK; dTARGET;
3568 int anum = do_ipcget(op->op_type, MARK, SP);
3575 DIE("System V IPC is not implemented on this machine");
3581 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3582 djSP; dMARK; dTARGET;
3583 int anum = do_ipcctl(op->op_type, MARK, SP);
3591 PUSHp(zero_but_true, ZBTLEN);
3595 return pp_semget(ARGS);
3601 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3602 djSP; dMARK; dTARGET;
3603 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3608 return pp_semget(ARGS);
3612 /* Get system info. */
3617 return pp_ghostent(ARGS);
3619 DIE(no_sock_func, "gethostbyname");
3626 return pp_ghostent(ARGS);
3628 DIE(no_sock_func, "gethostbyaddr");
3636 I32 which = op->op_type;
3637 register char **elem;
3639 #if defined(HAS_GETHOSTENT) && !defined(DONT_DECLARE_STD)
3640 struct hostent *gethostbyname(const char *);
3641 struct hostent *gethostbyaddr(const char *, int, int);
3642 struct hostent *gethostent(void);
3644 struct hostent *hent;
3648 if (which == OP_GHBYNAME) {
3649 hent = gethostbyname(POPp);
3651 else if (which == OP_GHBYADDR) {
3652 int addrtype = POPi;
3655 char *addr = SvPV(addrsv, addrlen);
3657 hent = gethostbyaddr(addr, addrlen, addrtype);
3660 #ifdef HAS_GETHOSTENT
3661 hent = gethostent();
3663 DIE("gethostent not implemented");
3666 #ifdef HOST_NOT_FOUND
3668 STATUS_NATIVE_SET(h_errno);
3671 if (GIMME != G_ARRAY) {
3672 PUSHs(sv = sv_newmortal());
3674 if (which == OP_GHBYNAME) {
3676 sv_setpvn(sv, hent->h_addr, hent->h_length);
3679 sv_setpv(sv, (char*)hent->h_name);
3685 PUSHs(sv = sv_mortalcopy(&sv_no));
3686 sv_setpv(sv, (char*)hent->h_name);
3687 PUSHs(sv = sv_mortalcopy(&sv_no));
3688 for (elem = hent->h_aliases; elem && *elem; elem++) {
3689 sv_catpv(sv, *elem);
3691 sv_catpvn(sv, " ", 1);
3693 PUSHs(sv = sv_mortalcopy(&sv_no));
3694 sv_setiv(sv, (IV)hent->h_addrtype);
3695 PUSHs(sv = sv_mortalcopy(&sv_no));
3696 len = hent->h_length;
3697 sv_setiv(sv, (IV)len);
3699 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3700 XPUSHs(sv = sv_mortalcopy(&sv_no));
3701 sv_setpvn(sv, *elem, len);
3704 PUSHs(sv = sv_mortalcopy(&sv_no));
3706 sv_setpvn(sv, hent->h_addr, len);
3711 DIE(no_sock_func, "gethostent");
3718 return pp_gnetent(ARGS);
3720 DIE(no_sock_func, "getnetbyname");
3727 return pp_gnetent(ARGS);
3729 DIE(no_sock_func, "getnetbyaddr");
3737 I32 which = op->op_type;
3738 register char **elem;
3740 #ifdef NETDB_H_OMITS_GETNET
3741 struct netent *getnetbyname(const char *);
3743 * long is wrong for getnetbyadddr (e.g. on Alpha). POSIX.1g says
3744 * in_addr_t but then such systems don't have broken netdb.h anyway.
3746 struct netent *getnetbyaddr(long int, int);
3747 struct netent *getnetent(void);
3749 struct netent *nent;
3751 if (which == OP_GNBYNAME)
3752 nent = getnetbyname(POPp);
3753 else if (which == OP_GNBYADDR) {
3754 int addrtype = POPi;
3755 unsigned long addr = U_L(POPn);
3756 nent = getnetbyaddr((long)addr, addrtype);
3762 if (GIMME != G_ARRAY) {
3763 PUSHs(sv = sv_newmortal());
3765 if (which == OP_GNBYNAME)
3766 sv_setiv(sv, (IV)nent->n_net);
3768 sv_setpv(sv, nent->n_name);
3774 PUSHs(sv = sv_mortalcopy(&sv_no));
3775 sv_setpv(sv, nent->n_name);
3776 PUSHs(sv = sv_mortalcopy(&sv_no));
3777 for (elem = nent->n_aliases; elem && *elem; elem++) {
3778 sv_catpv(sv, *elem);
3780 sv_catpvn(sv, " ", 1);
3782 PUSHs(sv = sv_mortalcopy(&sv_no));
3783 sv_setiv(sv, (IV)nent->n_addrtype);
3784 PUSHs(sv = sv_mortalcopy(&sv_no));
3785 sv_setiv(sv, (IV)nent->n_net);
3790 DIE(no_sock_func, "getnetent");
3797 return pp_gprotoent(ARGS);
3799 DIE(no_sock_func, "getprotobyname");
3806 return pp_gprotoent(ARGS);
3808 DIE(no_sock_func, "getprotobynumber");
3816 I32 which = op->op_type;
3817 register char **elem;
3819 #ifndef DONT_DECLARE_STD
3820 struct protoent *getprotobyname(const char *);
3821 struct protoent *getprotobynumber(int);
3822 struct protoent *getprotoent(void);
3824 struct protoent *pent;
3826 if (which == OP_GPBYNAME)
3827 pent = getprotobyname(POPp);
3828 else if (which == OP_GPBYNUMBER)
3829 pent = getprotobynumber(POPi);
3831 pent = getprotoent();
3834 if (GIMME != G_ARRAY) {
3835 PUSHs(sv = sv_newmortal());
3837 if (which == OP_GPBYNAME)
3838 sv_setiv(sv, (IV)pent->p_proto);
3840 sv_setpv(sv, pent->p_name);
3846 PUSHs(sv = sv_mortalcopy(&sv_no));
3847 sv_setpv(sv, pent->p_name);
3848 PUSHs(sv = sv_mortalcopy(&sv_no));
3849 for (elem = pent->p_aliases; elem && *elem; elem++) {
3850 sv_catpv(sv, *elem);
3852 sv_catpvn(sv, " ", 1);
3854 PUSHs(sv = sv_mortalcopy(&sv_no));
3855 sv_setiv(sv, (IV)pent->p_proto);
3860 DIE(no_sock_func, "getprotoent");
3867 return pp_gservent(ARGS);
3869 DIE(no_sock_func, "getservbyname");
3876 return pp_gservent(ARGS);
3878 DIE(no_sock_func, "getservbyport");
3886 I32 which = op->op_type;
3887 register char **elem;
3889 #ifndef DONT_DECLARE_STD
3890 struct servent *getservbyname(const char *, const char *);
3891 struct servent *getservbynumber();
3892 struct servent *getservent(void);
3894 struct servent *sent;
3896 if (which == OP_GSBYNAME) {
3900 if (proto && !*proto)
3903 sent = getservbyname(name, proto);
3905 else if (which == OP_GSBYPORT) {
3907 unsigned short port = POPu;
3912 sent = getservbyport(port, proto);
3915 sent = getservent();
3918 if (GIMME != G_ARRAY) {
3919 PUSHs(sv = sv_newmortal());
3921 if (which == OP_GSBYNAME) {
3923 sv_setiv(sv, (IV)ntohs(sent->s_port));
3925 sv_setiv(sv, (IV)(sent->s_port));
3929 sv_setpv(sv, sent->s_name);
3935 PUSHs(sv = sv_mortalcopy(&sv_no));
3936 sv_setpv(sv, sent->s_name);
3937 PUSHs(sv = sv_mortalcopy(&sv_no));
3938 for (elem = sent->s_aliases; elem && *elem; elem++) {
3939 sv_catpv(sv, *elem);
3941 sv_catpvn(sv, " ", 1);
3943 PUSHs(sv = sv_mortalcopy(&sv_no));
3945 sv_setiv(sv, (IV)ntohs(sent->s_port));
3947 sv_setiv(sv, (IV)(sent->s_port));
3949 PUSHs(sv = sv_mortalcopy(&sv_no));
3950 sv_setpv(sv, sent->s_proto);
3955 DIE(no_sock_func, "getservent");
3966 DIE(no_sock_func, "sethostent");
3977 DIE(no_sock_func, "setnetent");
3988 DIE(no_sock_func, "setprotoent");
3999 DIE(no_sock_func, "setservent");
4011 DIE(no_sock_func, "endhostent");
4023 DIE(no_sock_func, "endnetent");
4035 DIE(no_sock_func, "endprotoent");
4047 DIE(no_sock_func, "endservent");
4054 return pp_gpwent(ARGS);
4056 DIE(no_func, "getpwnam");
4063 return pp_gpwent(ARGS);
4065 DIE(no_func, "getpwuid");
4073 I32 which = op->op_type;
4075 struct passwd *pwent;
4077 if (which == OP_GPWNAM)
4078 pwent = getpwnam(POPp);
4079 else if (which == OP_GPWUID)
4080 pwent = getpwuid(POPi);
4082 pwent = (struct passwd *)getpwent();
4085 if (GIMME != G_ARRAY) {
4086 PUSHs(sv = sv_newmortal());
4088 if (which == OP_GPWNAM)
4089 sv_setiv(sv, (IV)pwent->pw_uid);
4091 sv_setpv(sv, pwent->pw_name);
4097 PUSHs(sv = sv_mortalcopy(&sv_no));
4098 sv_setpv(sv, pwent->pw_name);
4099 PUSHs(sv = sv_mortalcopy(&sv_no));
4100 sv_setpv(sv, pwent->pw_passwd);
4101 PUSHs(sv = sv_mortalcopy(&sv_no));
4102 sv_setiv(sv, (IV)pwent->pw_uid);
4103 PUSHs(sv = sv_mortalcopy(&sv_no));
4104 sv_setiv(sv, (IV)pwent->pw_gid);
4105 PUSHs(sv = sv_mortalcopy(&sv_no));
4107 sv_setiv(sv, (IV)pwent->pw_change);
4110 sv_setiv(sv, (IV)pwent->pw_quota);
4113 sv_setpv(sv, pwent->pw_age);
4117 PUSHs(sv = sv_mortalcopy(&sv_no));
4119 sv_setpv(sv, pwent->pw_class);
4122 sv_setpv(sv, pwent->pw_comment);
4125 PUSHs(sv = sv_mortalcopy(&sv_no));
4126 sv_setpv(sv, pwent->pw_gecos);
4127 #ifndef INCOMPLETE_TAINTS
4130 PUSHs(sv = sv_mortalcopy(&sv_no));
4131 sv_setpv(sv, pwent->pw_dir);
4132 PUSHs(sv = sv_mortalcopy(&sv_no));
4133 sv_setpv(sv, pwent->pw_shell);
4135 PUSHs(sv = sv_mortalcopy(&sv_no));
4136 sv_setiv(sv, (IV)pwent->pw_expire);
4141 DIE(no_func, "getpwent");
4148 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4152 DIE(no_func, "setpwent");
4163 DIE(no_func, "endpwent");
4170 return pp_ggrent(ARGS);
4172 DIE(no_func, "getgrnam");
4179 return pp_ggrent(ARGS);
4181 DIE(no_func, "getgrgid");
4189 I32 which = op->op_type;
4190 register char **elem;
4192 struct group *grent;
4194 if (which == OP_GGRNAM)
4195 grent = (struct group *)getgrnam(POPp);
4196 else if (which == OP_GGRGID)
4197 grent = (struct group *)getgrgid(POPi);
4199 grent = (struct group *)getgrent();
4202 if (GIMME != G_ARRAY) {
4203 PUSHs(sv = sv_newmortal());
4205 if (which == OP_GGRNAM)
4206 sv_setiv(sv, (IV)grent->gr_gid);
4208 sv_setpv(sv, grent->gr_name);
4214 PUSHs(sv = sv_mortalcopy(&sv_no));
4215 sv_setpv(sv, grent->gr_name);
4216 PUSHs(sv = sv_mortalcopy(&sv_no));
4217 sv_setpv(sv, grent->gr_passwd);
4218 PUSHs(sv = sv_mortalcopy(&sv_no));
4219 sv_setiv(sv, (IV)grent->gr_gid);
4220 PUSHs(sv = sv_mortalcopy(&sv_no));
4221 for (elem = grent->gr_mem; elem && *elem; elem++) {
4222 sv_catpv(sv, *elem);
4224 sv_catpvn(sv, " ", 1);
4230 DIE(no_func, "getgrent");
4241 DIE(no_func, "setgrent");
4252 DIE(no_func, "endgrent");
4262 if (!(tmps = getlogin()))
4264 PUSHp(tmps, strlen(tmps));
4267 DIE(no_func, "getlogin");
4271 /* Miscellaneous. */
4276 djSP; dMARK; dORIGMARK; dTARGET;
4277 register I32 items = SP - MARK;
4278 unsigned long a[20];
4284 while (++MARK <= SP) {
4285 if (SvTAINTED(*MARK)) {
4291 TAINT_PROPER("syscall");
4294 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4295 * or where sizeof(long) != sizeof(char*). But such machines will
4296 * not likely have syscall implemented either, so who cares?
4298 while (++MARK <= SP) {
4299 if (SvNIOK(*MARK) || !i)
4300 a[i++] = SvIV(*MARK);
4301 else if (*MARK == &sv_undef)
4304 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4310 DIE("Too many args to syscall");
4312 DIE("Too few args to syscall");
4314 retval = syscall(a[0]);
4317 retval = syscall(a[0],a[1]);
4320 retval = syscall(a[0],a[1],a[2]);
4323 retval = syscall(a[0],a[1],a[2],a[3]);
4326 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4329 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4332 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4335 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4339 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4342 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4345 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4349 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4353 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4357 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4358 a[10],a[11],a[12],a[13]);
4360 #endif /* atarist */
4366 DIE(no_func, "syscall");
4370 #ifdef FCNTL_EMULATE_FLOCK
4372 /* XXX Emulate flock() with fcntl().
4373 What's really needed is a good file locking module.
4377 fcntl_emulate_flock(int fd, int operation)
4381 switch (operation & ~LOCK_NB) {
4383 flock.l_type = F_RDLCK;
4386 flock.l_type = F_WRLCK;
4389 flock.l_type = F_UNLCK;
4395 flock.l_whence = SEEK_SET;
4396 flock.l_start = flock.l_len = 0L;
4398 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4401 #endif /* FCNTL_EMULATE_FLOCK */
4403 #ifdef LOCKF_EMULATE_FLOCK
4405 /* XXX Emulate flock() with lockf(). This is just to increase
4406 portability of scripts. The calls are not completely
4407 interchangeable. What's really needed is a good file
4411 /* The lockf() constants might have been defined in <unistd.h>.
4412 Unfortunately, <unistd.h> causes troubles on some mixed
4413 (BSD/POSIX) systems, such as SunOS 4.1.3.
4415 Further, the lockf() constants aren't POSIX, so they might not be
4416 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4417 just stick in the SVID values and be done with it. Sigh.
4421 # define F_ULOCK 0 /* Unlock a previously locked region */
4424 # define F_LOCK 1 /* Lock a region for exclusive use */
4427 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4430 # define F_TEST 3 /* Test a region for other processes locks */
4434 lockf_emulate_flock (fd, operation)
4442 /* flock locks entire file so for lockf we need to do the same */
4444 pos = lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4445 if (pos > 0) /* is seekable and needs to be repositioned */
4446 if (lseek(fd, (Off_t)0, SEEK_SET) < 0)
4447 pos = -1; /* seek failed, so don't seek back afterwards */
4450 switch (operation) {
4452 /* LOCK_SH - get a shared lock */
4454 /* LOCK_EX - get an exclusive lock */
4456 i = lockf (fd, F_LOCK, 0);
4459 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4460 case LOCK_SH|LOCK_NB:
4461 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4462 case LOCK_EX|LOCK_NB:
4463 i = lockf (fd, F_TLOCK, 0);
4465 if ((errno == EAGAIN) || (errno == EACCES))
4466 errno = EWOULDBLOCK;
4469 /* LOCK_UN - unlock (non-blocking is a no-op) */
4471 case LOCK_UN|LOCK_NB:
4472 i = lockf (fd, F_ULOCK, 0);
4475 /* Default - can't decipher operation */
4482 if (pos > 0) /* need to restore position of the handle */
4483 lseek(fd, pos, SEEK_SET); /* ignore error here */
4488 #endif /* LOCKF_EMULATE_FLOCK */