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 (void)SvUPGRADE(ERRSV, SVt_PV);
282 if (SvPOK(ERRSV) && SvCUR(ERRSV))
283 sv_catpv(ERRSV, "\t...caught");
284 tmps = SvPV(ERRSV, na);
287 tmps = "Warning: something's wrong";
296 if (SP - MARK != 1) {
298 do_join(TARG, &sv_no, MARK, SP);
299 tmps = SvPV(TARG, na);
303 tmps = SvPV(TOPs, na);
305 if (!tmps || !*tmps) {
306 (void)SvUPGRADE(ERRSV, SVt_PV);
307 if (SvPOK(ERRSV) && SvCUR(ERRSV))
308 sv_catpv(ERRSV, "\t...propagated");
309 tmps = SvPV(ERRSV, na);
329 DIE(no_usym, "filehandle");
334 DIE(no_usym, "filehandle");
336 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
337 tmps = SvPV(sv, len);
338 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp))
339 PUSHi( (I32)forkprocess );
340 else if (forkprocess == 0) /* we are a new child */
357 PUSHs(boolSV(do_close(gv, TRUE)));
377 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
378 DIE(no_usym, "filehandle");
383 do_close(rgv, FALSE);
385 do_close(wgv, FALSE);
390 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
391 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
392 IoIFP(wstio) = IoOFP(wstio);
396 if (!IoIFP(rstio) || !IoOFP(wstio)) {
397 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
399 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
409 DIE(no_func, "pipe");
422 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
424 PUSHi(PerlIO_fileno(fp));
440 TAINT_PROPER("umask");
443 DIE(no_func, "Unsupported function umask");
461 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
466 if (!PerlIO_flush(fp) && (fp->_flag |= _IOBIN))
471 if (setmode(PerlIO_fileno(fp), OP_BINARY) != -1) {
472 #if defined(WIN32) && defined(__BORLANDC__)
473 /* The translation mode of the stream is maintained independent
474 * of the translation mode of the fd in the Borland RTL (heavy
475 * digging through their runtime sources reveal). User has to
476 * set the mode explicitly for the stream (though they don't
477 * document this anywhere). GSAR 97-5-24
479 PerlIO_seek(fp,0L,0);
488 #if defined(USEMYBINMODE)
489 if (my_binmode(fp,IoTYPE(io)) != NULL)
507 SV **mark = stack_base + ++*markstack_ptr; /* reuse in entersub */
508 I32 markoff = mark - stack_base - 1;
512 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));
531 Zero(&myop, 1, BINOP);
532 myop.op_last = (OP *) &myop;
533 myop.op_next = Nullop;
534 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
540 if (PERLDB_SUB && curstash != debstash)
541 op->op_private |= OPpENTERSUB_DB;
543 XPUSHs((SV*)GvCV(gv));
546 if (op = pp_entersub(ARGS))
553 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
557 if (sv_isobject(sv)) {
558 if (SvTYPE(varsv) == SVt_PVHV || SvTYPE(varsv) == SVt_PVAV) {
559 sv_unmagic(varsv, 'P');
560 sv_magic(varsv, sv, 'P', Nullch, 0);
563 sv_unmagic(varsv, 'q');
564 sv_magic(varsv, sv, 'q', Nullch, 0);
568 SP = stack_base + markoff;
583 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
584 mg = mg_find(sv, 'P') ;
586 mg = mg_find(sv, 'q') ;
588 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
589 warn("untie attempted while %lu inner references still exist",
590 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
594 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
609 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
610 mg = mg_find(sv, 'P') ;
612 mg = mg_find(sv, 'q') ;
615 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
633 bool oldcatch = CATCH_GET;
638 sv = sv_mortalcopy(&sv_no);
639 sv_setpv(sv, "AnyDBM_File");
640 stash = gv_stashsv(sv, FALSE);
641 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
643 perl_require_pv("AnyDBM_File.pm");
645 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
646 DIE("No dbm on this machine");
650 Zero(&myop, 1, BINOP);
651 myop.op_last = (OP *) &myop;
652 myop.op_next = Nullop;
653 myop.op_flags = OPf_WANT_SCALAR | OPf_STACKED;
659 if (PERLDB_SUB && curstash != debstash)
660 op->op_private |= OPpENTERSUB_DB;
671 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
673 PUSHs(sv_2mortal(newSViv(O_RDWR)));
676 PUSHs((SV*)GvCV(gv));
679 if (op = pp_entersub(ARGS))
683 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
687 if (!sv_isobject(TOPs)) {
699 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
702 PUSHs((SV*)GvCV(gv));
707 if (op = pp_entersub(ARGS))
710 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
718 if (sv_isobject(TOPs))
719 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
726 return pp_untie(ARGS);
740 struct timeval timebuf;
741 struct timeval *tbuf = &timebuf;
744 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
749 # if BYTEORDER & 0xf0000
750 # define ORDERBYTE (0x88888888 - BYTEORDER)
752 # define ORDERBYTE (0x4444 - BYTEORDER)
758 for (i = 1; i <= 3; i++) {
766 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
767 #if defined(__linux__) || defined(OS2)
768 growsize = sizeof(fd_set);
770 growsize = maxlen; /* little endians can use vecs directly */
779 masksize = NFDBITS / NBBY;
781 masksize = sizeof(long); /* documented int, everyone seems to use long */
783 growsize = maxlen + (masksize - (maxlen % masksize));
784 Zero(&fd_sets[0], 4, char*);
792 timebuf.tv_sec = (long)value;
793 value -= (double)timebuf.tv_sec;
794 timebuf.tv_usec = (long)(value * 1000000.0);
797 tbuf = Null(struct timeval*);
799 for (i = 1; i <= 3; i++) {
806 SvPV_force(sv,na); /* force string conversion */
809 Sv_Grow(sv, growsize);
813 while (++j <= growsize) {
817 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
819 New(403, fd_sets[i], growsize, char);
820 for (offset = 0; offset < growsize; offset += masksize) {
821 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
822 fd_sets[i][j+offset] = s[(k % masksize) + offset];
825 fd_sets[i] = SvPVX(sv);
831 (Select_fd_set_t) fd_sets[1],
832 (Select_fd_set_t) fd_sets[2],
833 (Select_fd_set_t) fd_sets[3],
835 for (i = 1; i <= 3; i++) {
838 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
840 for (offset = 0; offset < growsize; offset += masksize) {
841 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
842 s[(k % masksize) + offset] = fd_sets[i][j+offset];
844 Safefree(fd_sets[i]);
851 if (GIMME == G_ARRAY && tbuf) {
852 value = (double)(timebuf.tv_sec) +
853 (double)(timebuf.tv_usec) / 1000000.0;
854 PUSHs(sv = sv_mortalcopy(&sv_no));
859 DIE("select not implemented");
869 (void)SvREFCNT_inc(gv);
871 SvREFCNT_dec(defoutgv);
881 newdefout = (op->op_private > 0) ? ((GV *) POPs) : NULL;
883 egv = GvEGV(defoutgv);
890 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
891 if (gvp && *gvp == egv) {
892 gv_efullname3(TARG, defoutgv, Nullch);
896 XPUSHs(sv_2mortal(newRV((SV*)egv)));
901 if (!GvIO(newdefout))
903 setdefout(newdefout);
922 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
928 perl_call_method("GETC", gimme);
931 if (gimme == G_SCALAR)
932 SvSetMagicSV_nosteal(TARG, TOPs);
935 if (!gv || do_eof(gv)) /* make sure we have fp with something */
939 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
946 return pp_sysread(ARGS);
956 register CONTEXT *cx;
958 AV* padlist = CvPADLIST(cv);
959 SV** svp = AvARRAY(padlist);
965 PUSHBLOCK(cx, CXt_SUB, stack_sp);
968 curpad = AvARRAY((AV*)svp[1]);
970 setdefout(gv); /* locally select filehandle so $% et al work */
1002 SV *tmpsv = sv_newmortal();
1003 gv_efullname3(tmpsv, fgv, Nullch);
1004 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
1006 DIE("Not a format reference");
1009 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1011 IoFLAGS(io) &= ~IOf_DIDTOP;
1012 return doform(cv,gv,op->op_next);
1018 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1019 register IO *io = GvIOp(gv);
1020 PerlIO *ofp = IoOFP(io);
1024 register CONTEXT *cx;
1026 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1027 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
1028 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
1029 formtarget != toptarget)
1033 if (!IoTOP_GV(io)) {
1037 if (!IoTOP_NAME(io)) {
1038 if (!IoFMT_NAME(io))
1039 IoFMT_NAME(io) = savepv(GvNAME(gv));
1040 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1041 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1042 if ((topgv && GvFORM(topgv)) ||
1043 !gv_fetchpv("top",FALSE,SVt_PVFM))
1044 IoTOP_NAME(io) = savepv(SvPVX(topname));
1046 IoTOP_NAME(io) = savepv("top");
1048 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1049 if (!topgv || !GvFORM(topgv)) {
1050 IoLINES_LEFT(io) = 100000000;
1053 IoTOP_GV(io) = topgv;
1055 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1056 I32 lines = IoLINES_LEFT(io);
1057 char *s = SvPVX(formtarget);
1058 if (lines <= 0) /* Yow, header didn't even fit!!! */
1060 while (lines-- > 0) {
1061 s = strchr(s, '\n');
1067 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1068 sv_chop(formtarget, s);
1069 FmLINES(formtarget) -= IoLINES_LEFT(io);
1072 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1073 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1074 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1076 formtarget = toptarget;
1077 IoFLAGS(io) |= IOf_DIDTOP;
1080 DIE("bad top format reference");
1083 SV *tmpsv = sv_newmortal();
1084 gv_efullname3(tmpsv, fgv, Nullch);
1085 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1088 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1089 return doform(cv,gv,op);
1101 warn("Filehandle only opened for input");
1103 warn("Write on closed filehandle");
1108 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1110 warn("page overflow");
1112 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1116 FmLINES(formtarget) = 0;
1117 SvCUR_set(formtarget, 0);
1118 *SvEND(formtarget) = '\0';
1119 if (IoFLAGS(io) & IOf_FLUSH)
1120 (void)PerlIO_flush(fp);
1124 formtarget = bodytarget;
1126 return pop_return();
1131 dSP; dMARK; dORIGMARK;
1138 if (op->op_flags & OPf_STACKED)
1143 if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1144 if (MARK == ORIGMARK) {
1147 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1154 perl_call_method("PRINTF", G_SCALAR);
1157 MARK = ORIGMARK + 1;
1164 if (!(io = GvIO(gv))) {
1166 gv_fullname3(sv, gv, Nullch);
1167 warn("Filehandle %s never opened", SvPV(sv,na));
1169 SETERRNO(EBADF,RMS$_IFI);
1172 else if (!(fp = IoOFP(io))) {
1174 gv_fullname3(sv, gv, Nullch);
1176 warn("Filehandle %s opened only for input", SvPV(sv,na));
1178 warn("printf on closed filehandle %s", SvPV(sv,na));
1180 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1184 #ifdef USE_LOCALE_NUMERIC
1185 if (op->op_private & OPpLOCALE)
1186 SET_NUMERIC_LOCAL();
1188 SET_NUMERIC_STANDARD();
1190 do_sprintf(sv, SP - MARK, MARK + 1);
1191 if (!do_print(sv, fp))
1194 if (IoFLAGS(io) & IOf_FLUSH)
1195 if (PerlIO_flush(fp) == EOF)
1227 tmps = SvPV(sv, len);
1228 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1229 IoLINES(GvIOp(gv)) = 0;
1240 dSP; dMARK; dORIGMARK; dTARGET;
1246 Sock_size_t bufsize;
1252 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1253 SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1260 perl_call_method("READ", G_SCALAR);
1273 sv_setpvn(bufsv, "", 0);
1274 buffer = SvPV_force(bufsv, blen);
1275 length = SvIVx(*++MARK);
1277 DIE("Negative length");
1280 offset = SvIVx(*++MARK);
1284 if (!io || !IoIFP(io))
1287 if (op->op_type == OP_RECV) {
1288 char namebuf[MAXPATHLEN];
1289 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1290 bufsize = sizeof (struct sockaddr_in);
1292 bufsize = sizeof namebuf;
1294 buffer = SvGROW(bufsv, length+1);
1295 /* 'offset' means 'flags' here */
1296 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1297 (struct sockaddr *)namebuf, &bufsize);
1300 SvCUR_set(bufsv, length);
1301 *SvEND(bufsv) = '\0';
1302 (void)SvPOK_only(bufsv);
1304 /* This should not be marked tainted if the fp is marked clean */
1305 if (!(IoFLAGS(io) & IOf_UNTAINT))
1306 SvTAINTED_on(bufsv);
1308 sv_setpvn(TARG, namebuf, bufsize);
1313 if (op->op_type == OP_RECV)
1314 DIE(no_sock_func, "recv");
1318 DIE("Offset outside string");
1321 bufsize = SvCUR(bufsv);
1322 buffer = SvGROW(bufsv, length+offset+1);
1323 if (offset > bufsize) { /* Zero any newly allocated space */
1324 Zero(buffer+bufsize, offset-bufsize, char);
1326 if (op->op_type == OP_SYSREAD) {
1327 length = read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1330 #ifdef HAS_SOCKET__bad_code_maybe
1331 if (IoTYPE(io) == 's') {
1332 char namebuf[MAXPATHLEN];
1333 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1334 bufsize = sizeof (struct sockaddr_in);
1336 bufsize = sizeof namebuf;
1338 length = recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1339 (struct sockaddr *)namebuf, &bufsize);
1343 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1346 SvCUR_set(bufsv, length+offset);
1347 *SvEND(bufsv) = '\0';
1348 (void)SvPOK_only(bufsv);
1350 /* This should not be marked tainted if the fp is marked clean */
1351 if (!(IoFLAGS(io) & IOf_UNTAINT))
1352 SvTAINTED_on(bufsv);
1364 return pp_send(ARGS);
1369 dSP; dMARK; dORIGMARK; dTARGET;
1382 buffer = SvPV(bufsv, blen);
1383 length = SvIVx(*++MARK);
1385 DIE("Negative length");
1388 if (!io || !IoIFP(io)) {
1391 if (op->op_type == OP_SYSWRITE)
1392 warn("Syswrite on closed filehandle");
1394 warn("Send on closed socket");
1397 else if (op->op_type == OP_SYSWRITE) {
1399 offset = SvIVx(*++MARK);
1402 DIE("Offset outside string");
1404 } else if (offset >= blen && blen > 0)
1405 DIE("Offset outside string");
1408 if (length > blen - offset)
1409 length = blen - offset;
1410 length = write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1413 else if (SP > MARK) {
1416 sockbuf = SvPVx(*++MARK, mlen);
1417 length = sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1418 (struct sockaddr *)sockbuf, mlen);
1421 length = send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1425 DIE(no_sock_func, "send");
1440 return pp_sysread(ARGS);
1451 gv = last_in_gv = (GV*)POPs;
1452 PUSHs(boolSV(!gv || do_eof(gv)));
1464 gv = last_in_gv = (GV*)POPs;
1465 PUSHi( do_tell(gv) );
1471 return pp_sysseek(ARGS);
1481 gv = last_in_gv = (GV*)POPs;
1482 if (op->op_type == OP_SEEK)
1483 PUSHs(boolSV(do_seek(gv, offset, whence)));
1485 long n = do_sysseek(gv, offset, whence);
1486 PUSHs((n < 0) ? &sv_undef
1487 : sv_2mortal(n ? newSViv((IV)n)
1488 : newSVpv(zero_but_true, ZBTLEN)));
1496 Off_t len = (Off_t)POPn;
1501 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1502 if (op->op_flags & OPf_SPECIAL) {
1503 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1505 TAINT_PROPER("truncate");
1506 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1508 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1510 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1518 if (SvTYPE(sv) == SVt_PVGV) {
1519 tmpgv = (GV*)sv; /* *main::FRED for example */
1522 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1523 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1527 name = SvPV(sv, na);
1528 TAINT_PROPER("truncate");
1530 if (truncate(name, len) < 0)
1535 if ((tmpfd = open(name, O_RDWR)) < 0)
1538 if (my_chsize(tmpfd, len) < 0)
1549 SETERRNO(EBADF,RMS$_IFI);
1552 DIE("truncate not implemented");
1558 return pp_ioctl(ARGS);
1565 unsigned int func = U_I(POPn);
1566 int optype = op->op_type;
1572 if (!io || !argsv || !IoIFP(io)) {
1573 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1577 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1580 s = SvPV_force(argsv, len);
1581 need = IOCPARM_LEN(func);
1583 s = Sv_Grow(argsv, need + 1);
1584 SvCUR_set(argsv, need);
1587 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1590 retval = SvIV(argsv);
1591 s = (char*)retval; /* ouch */
1594 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1596 if (optype == OP_IOCTL)
1598 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1600 DIE("ioctl is not implemented");
1604 #if defined(OS2) && defined(__EMX__)
1605 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1607 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1610 DIE("fcntl is not implemented");
1614 if (s[SvCUR(argsv)] != 17)
1615 DIE("Possible memory corruption: %s overflowed 3rd argument",
1617 s[SvCUR(argsv)] = 0; /* put our null back */
1618 SvSETMAGIC(argsv); /* Assume it has changed */
1627 PUSHp(zero_but_true, ZBTLEN);
1647 fp = IoIFP(GvIOp(gv));
1651 (void)PerlIO_flush(fp);
1652 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1659 DIE(no_func, "flock()");
1671 int protocol = POPi;
1679 SETERRNO(EBADF,LIB$_INVARG);
1685 do_close(gv, FALSE);
1687 TAINT_PROPER("socket");
1688 fd = socket(domain, type, protocol);
1691 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1692 IoOFP(io) = PerlIO_fdopen(fd, "w");
1694 if (!IoIFP(io) || !IoOFP(io)) {
1695 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1696 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1697 if (!IoIFP(io) && !IoOFP(io)) close(fd);
1703 DIE(no_sock_func, "socket");
1710 #ifdef HAS_SOCKETPAIR
1715 int protocol = POPi;
1728 do_close(gv1, FALSE);
1730 do_close(gv2, FALSE);
1732 TAINT_PROPER("socketpair");
1733 if (socketpair(domain, type, protocol, fd) < 0)
1735 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1736 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1738 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1739 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1741 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1742 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1743 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1744 if (!IoIFP(io1) && !IoOFP(io1)) close(fd[0]);
1745 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1746 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1747 if (!IoIFP(io2) && !IoOFP(io2)) close(fd[1]);
1753 DIE(no_sock_func, "socketpair");
1764 register IO *io = GvIOn(gv);
1767 if (!io || !IoIFP(io))
1770 addr = SvPV(addrsv, len);
1771 TAINT_PROPER("bind");
1772 if (bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1779 warn("bind() on closed fd");
1780 SETERRNO(EBADF,SS$_IVCHAN);
1783 DIE(no_sock_func, "bind");
1794 register IO *io = GvIOn(gv);
1797 if (!io || !IoIFP(io))
1800 addr = SvPV(addrsv, len);
1801 TAINT_PROPER("connect");
1802 if (connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1809 warn("connect() on closed fd");
1810 SETERRNO(EBADF,SS$_IVCHAN);
1813 DIE(no_sock_func, "connect");
1823 register IO *io = GvIOn(gv);
1825 if (!io || !IoIFP(io))
1828 if (listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1835 warn("listen() on closed fd");
1836 SETERRNO(EBADF,SS$_IVCHAN);
1839 DIE(no_sock_func, "listen");
1851 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1852 Sock_size_t len = sizeof saddr;
1864 if (!gstio || !IoIFP(gstio))
1869 do_close(ngv, FALSE);
1871 fd = accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1874 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1875 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1876 IoTYPE(nstio) = 's';
1877 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1878 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1879 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1880 if (!IoIFP(nstio) && !IoOFP(nstio)) close(fd);
1884 PUSHp((char *)&saddr, len);
1889 warn("accept() on closed fd");
1890 SETERRNO(EBADF,SS$_IVCHAN);
1896 DIE(no_sock_func, "accept");
1906 register IO *io = GvIOn(gv);
1908 if (!io || !IoIFP(io))
1911 PUSHi( shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1916 warn("shutdown() on closed fd");
1917 SETERRNO(EBADF,SS$_IVCHAN);
1920 DIE(no_sock_func, "shutdown");
1927 return pp_ssockopt(ARGS);
1929 DIE(no_sock_func, "getsockopt");
1937 int optype = op->op_type;
1940 unsigned int optname;
1946 if (optype == OP_GSOCKOPT)
1947 sv = sv_2mortal(NEWSV(22, 257));
1950 optname = (unsigned int) POPi;
1951 lvl = (unsigned int) POPi;
1955 if (!io || !IoIFP(io))
1958 fd = PerlIO_fileno(IoIFP(io));
1962 (void)SvPOK_only(sv);
1966 if (getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1979 else if (SvOK(sv)) {
1980 aint = (int)SvIV(sv);
1984 if (setsockopt(fd, lvl, optname, buf, len) < 0)
1994 warn("[gs]etsockopt() on closed fd");
1995 SETERRNO(EBADF,SS$_IVCHAN);
2000 DIE(no_sock_func, "setsockopt");
2007 return pp_getpeername(ARGS);
2009 DIE(no_sock_func, "getsockname");
2017 int optype = op->op_type;
2021 register IO *io = GvIOn(gv);
2024 if (!io || !IoIFP(io))
2027 sv = sv_2mortal(NEWSV(22, 257));
2028 (void)SvPOK_only(sv);
2032 fd = PerlIO_fileno(IoIFP(io));
2034 case OP_GETSOCKNAME:
2035 if (getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2038 case OP_GETPEERNAME:
2039 if (getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2041 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2043 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2044 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2045 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2046 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2047 sizeof(u_short) + sizeof(struct in_addr))) {
2054 #ifdef BOGUS_GETNAME_RETURN
2055 /* Interactive Unix, getpeername() and getsockname()
2056 does not return valid namelen */
2057 if (len == BOGUS_GETNAME_RETURN)
2058 len = sizeof(struct sockaddr);
2067 warn("get{sock, peer}name() on closed fd");
2068 SETERRNO(EBADF,SS$_IVCHAN);
2073 DIE(no_sock_func, "getpeername");
2081 return pp_stat(ARGS);
2091 if (op->op_flags & OPf_REF) {
2092 tmpgv = cGVOP->op_gv;
2094 if (tmpgv != defgv) {
2095 laststype = OP_STAT;
2097 sv_setpv(statname, "");
2098 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2099 ? Fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2101 if (laststatval < 0)
2106 if (SvTYPE(sv) == SVt_PVGV) {
2110 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2111 tmpgv = (GV*)SvRV(sv);
2114 sv_setpv(statname, SvPV(sv,na));
2117 laststype = op->op_type;
2118 if (op->op_type == OP_LSTAT)
2119 laststatval = lstat(SvPV(statname, na), &statcache);
2122 laststatval = Stat(SvPV(statname, na), &statcache);
2123 if (laststatval < 0) {
2124 if (dowarn && strchr(SvPV(statname, na), '\n'))
2125 warn(warn_nl, "stat");
2131 if (gimme != G_ARRAY) {
2132 if (gimme != G_VOID)
2133 XPUSHs(boolSV(max));
2139 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2140 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2141 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2142 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2143 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2144 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2145 #ifdef USE_STAT_RDEV
2146 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2148 PUSHs(sv_2mortal(newSVpv("", 0)));
2150 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2152 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2153 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2154 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2156 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2157 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2158 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2160 #ifdef USE_STAT_BLOCKS
2161 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2162 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2164 PUSHs(sv_2mortal(newSVpv("", 0)));
2165 PUSHs(sv_2mortal(newSVpv("", 0)));
2173 I32 result = my_stat(ARGS);
2177 if (cando(S_IRUSR, 0, &statcache))
2184 I32 result = my_stat(ARGS);
2188 if (cando(S_IWUSR, 0, &statcache))
2195 I32 result = my_stat(ARGS);
2199 if (cando(S_IXUSR, 0, &statcache))
2206 I32 result = my_stat(ARGS);
2210 if (cando(S_IRUSR, 1, &statcache))
2217 I32 result = my_stat(ARGS);
2221 if (cando(S_IWUSR, 1, &statcache))
2228 I32 result = my_stat(ARGS);
2232 if (cando(S_IXUSR, 1, &statcache))
2239 I32 result = my_stat(ARGS);
2248 return pp_ftrowned(ARGS);
2253 I32 result = my_stat(ARGS);
2257 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2264 I32 result = my_stat(ARGS);
2268 if (!statcache.st_size)
2275 I32 result = my_stat(ARGS);
2279 PUSHi(statcache.st_size);
2285 I32 result = my_stat(ARGS);
2289 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2295 I32 result = my_stat(ARGS);
2299 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2305 I32 result = my_stat(ARGS);
2309 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2315 I32 result = my_stat(ARGS);
2319 if (S_ISSOCK(statcache.st_mode))
2326 I32 result = my_stat(ARGS);
2330 if (S_ISCHR(statcache.st_mode))
2337 I32 result = my_stat(ARGS);
2341 if (S_ISBLK(statcache.st_mode))
2348 I32 result = my_stat(ARGS);
2352 if (S_ISREG(statcache.st_mode))
2359 I32 result = my_stat(ARGS);
2363 if (S_ISDIR(statcache.st_mode))
2370 I32 result = my_stat(ARGS);
2374 if (S_ISFIFO(statcache.st_mode))
2381 I32 result = my_lstat(ARGS);
2385 if (S_ISLNK(statcache.st_mode))
2394 I32 result = my_stat(ARGS);
2398 if (statcache.st_mode & S_ISUID)
2408 I32 result = my_stat(ARGS);
2412 if (statcache.st_mode & S_ISGID)
2422 I32 result = my_stat(ARGS);
2426 if (statcache.st_mode & S_ISVTX)
2437 char *tmps = Nullch;
2439 if (op->op_flags & OPf_REF)
2441 else if (isGV(TOPs))
2443 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2444 gv = (GV*)SvRV(POPs);
2446 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2448 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2449 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2450 else if (tmps && isDIGIT(*tmps))
2459 #if defined(atarist) /* this will work with atariST. Configure will
2460 make guesses for other systems. */
2461 # define FILE_base(f) ((f)->_base)
2462 # define FILE_ptr(f) ((f)->_ptr)
2463 # define FILE_cnt(f) ((f)->_cnt)
2464 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2474 register STDCHAR *s;
2479 if (op->op_flags & OPf_REF)
2481 else if (isGV(TOPs))
2483 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2484 gv = (GV*)SvRV(POPs);
2495 goto really_filename;
2501 sv_setpv(statname, "");
2504 if (io && IoIFP(io)) {
2505 if (! PerlIO_has_base(IoIFP(io)))
2506 DIE("-T and -B not implemented on filehandles");
2507 laststatval = Fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2508 if (laststatval < 0)
2510 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2511 if (op->op_type == OP_FTTEXT)
2515 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2516 i = PerlIO_getc(IoIFP(io));
2518 (void)PerlIO_ungetc(IoIFP(io),i);
2520 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2522 len = PerlIO_get_bufsiz(IoIFP(io));
2523 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2524 /* sfio can have large buffers - limit to 512 */
2530 warn("Test on unopened file <%s>",
2531 GvENAME(cGVOP->op_gv));
2532 SETERRNO(EBADF,RMS$_IFI);
2541 sv_setpv(statname, SvPV(sv, na));
2543 i = open(SvPV(sv, na), O_RDONLY, 0);
2545 i = open(SvPV(sv, na), 0);
2548 if (dowarn && strchr(SvPV(sv, na), '\n'))
2549 warn(warn_nl, "open");
2552 laststatval = Fstat(i, &statcache);
2553 if (laststatval < 0)
2555 len = read(i, tbuf, 512);
2558 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2559 RETPUSHNO; /* special case NFS directories */
2560 RETPUSHYES; /* null file is anything */
2565 /* now scan s to look for textiness */
2566 /* XXX ASCII dependent code */
2568 for (i = 0; i < len; i++, s++) {
2569 if (!*s) { /* null never allowed in text */
2576 *s != '\n' && *s != '\r' && *s != '\b' &&
2577 *s != '\t' && *s != '\f' && *s != 27)
2581 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2589 return pp_fttext(ARGS);
2604 if (!tmps || !*tmps) {
2605 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2607 tmps = SvPV(*svp, na);
2609 if (!tmps || !*tmps) {
2610 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2612 tmps = SvPV(*svp, na);
2614 TAINT_PROPER("chdir");
2615 PUSHi( chdir(tmps) >= 0 );
2617 /* Clear the DEFAULT element of ENV so we'll get the new value
2619 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2626 dSP; dMARK; dTARGET;
2629 value = (I32)apply(op->op_type, MARK, SP);
2634 DIE(no_func, "Unsupported function chown");
2644 TAINT_PROPER("chroot");
2645 PUSHi( chroot(tmps) >= 0 );
2648 DIE(no_func, "chroot");
2654 dSP; dMARK; dTARGET;
2656 value = (I32)apply(op->op_type, MARK, SP);
2664 dSP; dMARK; dTARGET;
2666 value = (I32)apply(op->op_type, MARK, SP);
2674 dSP; dMARK; dTARGET;
2676 value = (I32)apply(op->op_type, MARK, SP);
2688 char *tmps = SvPV(TOPs, na);
2689 TAINT_PROPER("rename");
2691 anum = rename(tmps, tmps2);
2693 if (!(anum = Stat(tmps, &statbuf))) {
2694 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2697 if (euid || Stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2698 (void)UNLINK(tmps2);
2699 if (!(anum = link(tmps, tmps2)))
2700 anum = UNLINK(tmps);
2713 char *tmps = SvPV(TOPs, na);
2714 TAINT_PROPER("link");
2715 SETi( link(tmps, tmps2) >= 0 );
2717 DIE(no_func, "Unsupported function link");
2727 char *tmps = SvPV(TOPs, na);
2728 TAINT_PROPER("symlink");
2729 SETi( symlink(tmps, tmps2) >= 0 );
2732 DIE(no_func, "symlink");
2741 char buf[MAXPATHLEN];
2744 #ifndef INCOMPLETE_TAINTS
2748 len = readlink(tmps, buf, sizeof buf);
2756 RETSETUNDEF; /* just pretend it's a normal file */
2760 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2762 dooneliner(cmd, filename)
2766 char *save_filename = filename;
2772 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2773 strcpy(cmdline, cmd);
2774 strcat(cmdline, " ");
2775 for (s = cmdline + strlen(cmdline); *filename; ) {
2780 myfp = my_popen(cmdline, "r");
2784 SV *tmpsv = sv_newmortal();
2785 /* Need to save/restore 'rs' ?? */
2786 s = sv_gets(tmpsv, myfp, 0);
2787 (void)my_pclose(myfp);
2791 #ifdef HAS_SYS_ERRLIST
2796 /* you don't see this */
2798 #ifdef HAS_SYS_ERRLIST
2806 if (instr(s, errmsg)) {
2813 #define EACCES EPERM
2815 if (instr(s, "cannot make"))
2816 SETERRNO(EEXIST,RMS$_FEX);
2817 else if (instr(s, "existing file"))
2818 SETERRNO(EEXIST,RMS$_FEX);
2819 else if (instr(s, "ile exists"))
2820 SETERRNO(EEXIST,RMS$_FEX);
2821 else if (instr(s, "non-exist"))
2822 SETERRNO(ENOENT,RMS$_FNF);
2823 else if (instr(s, "does not exist"))
2824 SETERRNO(ENOENT,RMS$_FNF);
2825 else if (instr(s, "not empty"))
2826 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2827 else if (instr(s, "cannot access"))
2828 SETERRNO(EACCES,RMS$_PRV);
2830 SETERRNO(EPERM,RMS$_PRV);
2833 else { /* some mkdirs return no failure indication */
2834 anum = (Stat(save_filename, &statbuf) >= 0);
2835 if (op->op_type == OP_RMDIR)
2840 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2856 char *tmps = SvPV(TOPs, na);
2858 TAINT_PROPER("mkdir");
2860 SETi( Mkdir(tmps, mode) >= 0 );
2862 SETi( dooneliner("mkdir", tmps) );
2863 oldumask = umask(0);
2865 chmod(tmps, (mode & ~oldumask) & 0777);
2876 TAINT_PROPER("rmdir");
2878 XPUSHi( rmdir(tmps) >= 0 );
2880 XPUSHi( dooneliner("rmdir", tmps) );
2885 /* Directory calls. */
2890 #if defined(Direntry_t) && defined(HAS_READDIR)
2891 char *dirname = POPp;
2893 register IO *io = GvIOn(gv);
2899 closedir(IoDIRP(io));
2900 if (!(IoDIRP(io) = opendir(dirname)))
2906 SETERRNO(EBADF,RMS$_DIR);
2909 DIE(no_dir_func, "opendir");
2916 #if defined(Direntry_t) && defined(HAS_READDIR)
2918 Direntry_t *readdir _((DIR *));
2920 register Direntry_t *dp;
2922 register IO *io = GvIOn(gv);
2925 if (!io || !IoDIRP(io))
2928 if (GIMME == G_ARRAY) {
2930 while (dp = (Direntry_t *)readdir(IoDIRP(io))) {
2932 sv = newSVpv(dp->d_name, dp->d_namlen);
2934 sv = newSVpv(dp->d_name, 0);
2936 #ifndef INCOMPLETE_TAINTS
2939 XPUSHs(sv_2mortal(sv));
2943 if (!(dp = (Direntry_t *)readdir(IoDIRP(io))))
2946 sv = newSVpv(dp->d_name, dp->d_namlen);
2948 sv = newSVpv(dp->d_name, 0);
2950 #ifndef INCOMPLETE_TAINTS
2953 XPUSHs(sv_2mortal(sv));
2959 SETERRNO(EBADF,RMS$_ISI);
2960 if (GIMME == G_ARRAY)
2965 DIE(no_dir_func, "readdir");
2972 #if defined(HAS_TELLDIR) || defined(telldir)
2973 #if !defined(telldir) && !defined(HAS_TELLDIR_PROTOTYPE)
2974 long telldir _((DIR *));
2977 register IO *io = GvIOn(gv);
2979 if (!io || !IoDIRP(io))
2982 PUSHi( telldir(IoDIRP(io)) );
2986 SETERRNO(EBADF,RMS$_ISI);
2989 DIE(no_dir_func, "telldir");
2996 #if defined(HAS_SEEKDIR) || defined(seekdir)
2999 register IO *io = GvIOn(gv);
3001 if (!io || !IoDIRP(io))
3004 (void)seekdir(IoDIRP(io), along);
3009 SETERRNO(EBADF,RMS$_ISI);
3012 DIE(no_dir_func, "seekdir");
3019 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3021 register IO *io = GvIOn(gv);
3023 if (!io || !IoDIRP(io))
3026 (void)rewinddir(IoDIRP(io));
3030 SETERRNO(EBADF,RMS$_ISI);
3033 DIE(no_dir_func, "rewinddir");
3040 #if defined(Direntry_t) && defined(HAS_READDIR)
3042 register IO *io = GvIOn(gv);
3044 if (!io || !IoDIRP(io))
3047 #ifdef VOID_CLOSEDIR
3048 closedir(IoDIRP(io));
3050 if (closedir(IoDIRP(io)) < 0) {
3051 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3060 SETERRNO(EBADF,RMS$_IFI);
3063 DIE(no_dir_func, "closedir");
3067 /* Process control. */
3082 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3083 sv_setiv(GvSV(tmpgv), (IV)getpid());
3084 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3089 DIE(no_func, "Unsupported function fork");
3095 #if !defined(DOSISH) || defined(OS2)
3100 childpid = wait4pid(-1, &argflags, 0);
3101 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3105 DIE(no_func, "Unsupported function wait");
3111 #if !defined(DOSISH) || defined(OS2)
3119 childpid = wait4pid(childpid, &argflags, optype);
3120 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3124 DIE(no_func, "Unsupported function wait");
3130 dSP; dMARK; dORIGMARK; dTARGET;
3135 Sigsave_t ihand,qhand; /* place to save signals during system() */
3137 if (SP - MARK == 1) {
3139 char *junk = SvPV(TOPs, na);
3141 TAINT_PROPER("system");
3144 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3145 while ((childpid = vfork()) == -1) {
3146 if (errno != EAGAIN) {
3155 rsignal_save(SIGINT, SIG_IGN, &ihand);
3156 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3158 result = wait4pid(childpid, &status, 0);
3159 } while (result == -1 && errno == EINTR);
3160 (void)rsignal_restore(SIGINT, &ihand);
3161 (void)rsignal_restore(SIGQUIT, &qhand);
3162 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3163 do_execfree(); /* free any memory child malloced on vfork */
3165 PUSHi(STATUS_CURRENT);
3168 if (op->op_flags & OPf_STACKED) {
3169 SV *really = *++MARK;
3170 value = (I32)do_aexec(really, MARK, SP);
3172 else if (SP - MARK != 1)
3173 value = (I32)do_aexec(Nullsv, MARK, SP);
3175 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3178 #else /* ! FORK or VMS or OS/2 */
3179 if (op->op_flags & OPf_STACKED) {
3180 SV *really = *++MARK;
3181 value = (I32)do_aspawn(really, MARK, SP);
3183 else if (SP - MARK != 1)
3184 value = (I32)do_aspawn(Nullsv, MARK, SP);
3186 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3188 STATUS_NATIVE_SET(value);
3191 PUSHi(STATUS_CURRENT);
3192 #endif /* !FORK or VMS */
3198 dSP; dMARK; dORIGMARK; dTARGET;
3201 if (op->op_flags & OPf_STACKED) {
3202 SV *really = *++MARK;
3203 value = (I32)do_aexec(really, MARK, SP);
3205 else if (SP - MARK != 1)
3207 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3209 value = (I32)do_aexec(Nullsv, MARK, SP);
3213 char *junk = SvPV(*SP, na);
3215 TAINT_PROPER("exec");
3218 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3220 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3230 dSP; dMARK; dTARGET;
3233 value = (I32)apply(op->op_type, MARK, SP);
3238 DIE(no_func, "Unsupported function kill");
3246 XPUSHi( getppid() );
3249 DIE(no_func, "getppid");
3265 value = (I32)BSD_GETPGRP(pid);
3267 if (pid != 0 && pid != getpid())
3268 DIE("POSIX getpgrp can't take an argument");
3269 value = (I32)getpgrp();
3274 DIE(no_func, "getpgrp()");
3293 TAINT_PROPER("setpgrp");
3295 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3297 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3298 DIE("POSIX setpgrp can't take an argument");
3299 SETi( setpgrp() >= 0 );
3300 #endif /* USE_BSDPGRP */
3303 DIE(no_func, "setpgrp()");
3312 #ifdef HAS_GETPRIORITY
3315 SETi( getpriority(which, who) );
3318 DIE(no_func, "getpriority()");
3328 #ifdef HAS_SETPRIORITY
3332 TAINT_PROPER("setpriority");
3333 SETi( setpriority(which, who, niceval) >= 0 );
3336 DIE(no_func, "setpriority()");
3346 XPUSHn( time(Null(Time_t*)) );
3348 XPUSHi( time(Null(Time_t*)) );
3353 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3354 to HZ. Probably. For now, assume that if the system
3355 defines HZ, it does so correctly. (Will this break
3357 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3358 it's supported. --AD 9/96.
3374 DIE("times not implemented");
3379 (void)times(×buf);
3381 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3382 /* struct tms, though same data */
3386 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3387 if (GIMME == G_ARRAY) {
3388 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3389 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3390 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3393 #endif /* HAS_TIMES */
3398 return pp_gmtime(ARGS);
3406 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3407 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3408 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3414 when = (Time_t)SvNVx(POPs);
3416 when = (Time_t)SvIVx(POPs);
3419 if (op->op_type == OP_LOCALTIME)
3420 tmbuf = localtime(&when);
3422 tmbuf = gmtime(&when);
3426 if (GIMME != G_ARRAY) {
3431 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3432 dayname[tmbuf->tm_wday],
3433 monname[tmbuf->tm_mon],
3438 tmbuf->tm_year + 1900);
3439 PUSHs(sv_2mortal(tsv));
3442 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3443 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3444 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3445 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3446 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3447 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3448 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3449 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3450 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3461 anum = alarm((unsigned int)anum);
3468 DIE(no_func, "Unsupported function alarm");
3479 (void)time(&lasttime);
3484 sleep((unsigned int)duration);
3487 XPUSHi(when - lasttime);
3491 /* Shared memory. */
3495 return pp_semget(ARGS);
3500 return pp_semctl(ARGS);
3505 return pp_shmwrite(ARGS);
3510 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3511 dSP; dMARK; dTARGET;
3512 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3517 return pp_semget(ARGS);
3521 /* Message passing. */
3525 return pp_semget(ARGS);
3530 return pp_semctl(ARGS);
3535 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3536 dSP; dMARK; dTARGET;
3537 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3542 return pp_semget(ARGS);
3548 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3549 dSP; dMARK; dTARGET;
3550 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3555 return pp_semget(ARGS);
3563 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3564 dSP; dMARK; dTARGET;
3565 int anum = do_ipcget(op->op_type, MARK, SP);
3572 DIE("System V IPC is not implemented on this machine");
3578 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3579 dSP; dMARK; dTARGET;
3580 int anum = do_ipcctl(op->op_type, MARK, SP);
3588 PUSHp(zero_but_true, ZBTLEN);
3592 return pp_semget(ARGS);
3598 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3599 dSP; dMARK; dTARGET;
3600 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3605 return pp_semget(ARGS);
3609 /* Get system info. */
3614 return pp_ghostent(ARGS);
3616 DIE(no_sock_func, "gethostbyname");
3623 return pp_ghostent(ARGS);
3625 DIE(no_sock_func, "gethostbyaddr");
3633 I32 which = op->op_type;
3634 register char **elem;
3636 struct hostent *gethostbyname();
3637 struct hostent *gethostbyaddr();
3638 #ifdef HAS_GETHOSTENT
3639 struct hostent *gethostent();
3641 struct hostent *hent;
3645 if (which == OP_GHBYNAME) {
3646 hent = gethostbyname(POPp);
3648 else if (which == OP_GHBYADDR) {
3649 int addrtype = POPi;
3652 char *addr = SvPV(addrsv, addrlen);
3654 hent = gethostbyaddr(addr, addrlen, addrtype);
3657 #ifdef HAS_GETHOSTENT
3658 hent = gethostent();
3660 DIE("gethostent not implemented");
3663 #ifdef HOST_NOT_FOUND
3665 STATUS_NATIVE_SET(h_errno);
3668 if (GIMME != G_ARRAY) {
3669 PUSHs(sv = sv_newmortal());
3671 if (which == OP_GHBYNAME) {
3673 sv_setpvn(sv, hent->h_addr, hent->h_length);
3676 sv_setpv(sv, (char*)hent->h_name);
3682 PUSHs(sv = sv_mortalcopy(&sv_no));
3683 sv_setpv(sv, (char*)hent->h_name);
3684 PUSHs(sv = sv_mortalcopy(&sv_no));
3685 for (elem = hent->h_aliases; elem && *elem; elem++) {
3686 sv_catpv(sv, *elem);
3688 sv_catpvn(sv, " ", 1);
3690 PUSHs(sv = sv_mortalcopy(&sv_no));
3691 sv_setiv(sv, (IV)hent->h_addrtype);
3692 PUSHs(sv = sv_mortalcopy(&sv_no));
3693 len = hent->h_length;
3694 sv_setiv(sv, (IV)len);
3696 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3697 XPUSHs(sv = sv_mortalcopy(&sv_no));
3698 sv_setpvn(sv, *elem, len);
3701 PUSHs(sv = sv_mortalcopy(&sv_no));
3703 sv_setpvn(sv, hent->h_addr, len);
3708 DIE(no_sock_func, "gethostent");
3715 return pp_gnetent(ARGS);
3717 DIE(no_sock_func, "getnetbyname");
3724 return pp_gnetent(ARGS);
3726 DIE(no_sock_func, "getnetbyaddr");
3734 I32 which = op->op_type;
3735 register char **elem;
3737 struct netent *getnetbyname();
3738 struct netent *getnetbyaddr();
3739 struct netent *getnetent();
3740 struct netent *nent;
3742 if (which == OP_GNBYNAME)
3743 nent = getnetbyname(POPp);
3744 else if (which == OP_GNBYADDR) {
3745 int addrtype = POPi;
3746 unsigned long addr = U_L(POPn);
3747 nent = getnetbyaddr((long)addr, addrtype);
3753 if (GIMME != G_ARRAY) {
3754 PUSHs(sv = sv_newmortal());
3756 if (which == OP_GNBYNAME)
3757 sv_setiv(sv, (IV)nent->n_net);
3759 sv_setpv(sv, nent->n_name);
3765 PUSHs(sv = sv_mortalcopy(&sv_no));
3766 sv_setpv(sv, nent->n_name);
3767 PUSHs(sv = sv_mortalcopy(&sv_no));
3768 for (elem = nent->n_aliases; elem && *elem; elem++) {
3769 sv_catpv(sv, *elem);
3771 sv_catpvn(sv, " ", 1);
3773 PUSHs(sv = sv_mortalcopy(&sv_no));
3774 sv_setiv(sv, (IV)nent->n_addrtype);
3775 PUSHs(sv = sv_mortalcopy(&sv_no));
3776 sv_setiv(sv, (IV)nent->n_net);
3781 DIE(no_sock_func, "getnetent");
3788 return pp_gprotoent(ARGS);
3790 DIE(no_sock_func, "getprotobyname");
3797 return pp_gprotoent(ARGS);
3799 DIE(no_sock_func, "getprotobynumber");
3807 I32 which = op->op_type;
3808 register char **elem;
3810 struct protoent *getprotobyname();
3811 struct protoent *getprotobynumber();
3812 struct protoent *getprotoent();
3813 struct protoent *pent;
3815 if (which == OP_GPBYNAME)
3816 pent = getprotobyname(POPp);
3817 else if (which == OP_GPBYNUMBER)
3818 pent = getprotobynumber(POPi);
3820 pent = getprotoent();
3823 if (GIMME != G_ARRAY) {
3824 PUSHs(sv = sv_newmortal());
3826 if (which == OP_GPBYNAME)
3827 sv_setiv(sv, (IV)pent->p_proto);
3829 sv_setpv(sv, pent->p_name);
3835 PUSHs(sv = sv_mortalcopy(&sv_no));
3836 sv_setpv(sv, pent->p_name);
3837 PUSHs(sv = sv_mortalcopy(&sv_no));
3838 for (elem = pent->p_aliases; elem && *elem; elem++) {
3839 sv_catpv(sv, *elem);
3841 sv_catpvn(sv, " ", 1);
3843 PUSHs(sv = sv_mortalcopy(&sv_no));
3844 sv_setiv(sv, (IV)pent->p_proto);
3849 DIE(no_sock_func, "getprotoent");
3856 return pp_gservent(ARGS);
3858 DIE(no_sock_func, "getservbyname");
3865 return pp_gservent(ARGS);
3867 DIE(no_sock_func, "getservbyport");
3875 I32 which = op->op_type;
3876 register char **elem;
3878 struct servent *getservbyname();
3879 struct servent *getservbynumber();
3880 struct servent *getservent();
3881 struct servent *sent;
3883 if (which == OP_GSBYNAME) {
3887 if (proto && !*proto)
3890 sent = getservbyname(name, proto);
3892 else if (which == OP_GSBYPORT) {
3894 unsigned short port = POPu;
3899 sent = getservbyport(port, proto);
3902 sent = getservent();
3905 if (GIMME != G_ARRAY) {
3906 PUSHs(sv = sv_newmortal());
3908 if (which == OP_GSBYNAME) {
3910 sv_setiv(sv, (IV)ntohs(sent->s_port));
3912 sv_setiv(sv, (IV)(sent->s_port));
3916 sv_setpv(sv, sent->s_name);
3922 PUSHs(sv = sv_mortalcopy(&sv_no));
3923 sv_setpv(sv, sent->s_name);
3924 PUSHs(sv = sv_mortalcopy(&sv_no));
3925 for (elem = sent->s_aliases; elem && *elem; elem++) {
3926 sv_catpv(sv, *elem);
3928 sv_catpvn(sv, " ", 1);
3930 PUSHs(sv = sv_mortalcopy(&sv_no));
3932 sv_setiv(sv, (IV)ntohs(sent->s_port));
3934 sv_setiv(sv, (IV)(sent->s_port));
3936 PUSHs(sv = sv_mortalcopy(&sv_no));
3937 sv_setpv(sv, sent->s_proto);
3942 DIE(no_sock_func, "getservent");
3953 DIE(no_sock_func, "sethostent");
3964 DIE(no_sock_func, "setnetent");
3975 DIE(no_sock_func, "setprotoent");
3986 DIE(no_sock_func, "setservent");
3998 DIE(no_sock_func, "endhostent");
4010 DIE(no_sock_func, "endnetent");
4022 DIE(no_sock_func, "endprotoent");
4034 DIE(no_sock_func, "endservent");
4041 return pp_gpwent(ARGS);
4043 DIE(no_func, "getpwnam");
4050 return pp_gpwent(ARGS);
4052 DIE(no_func, "getpwuid");
4060 I32 which = op->op_type;
4062 struct passwd *pwent;
4064 if (which == OP_GPWNAM)
4065 pwent = getpwnam(POPp);
4066 else if (which == OP_GPWUID)
4067 pwent = getpwuid(POPi);
4069 pwent = (struct passwd *)getpwent();
4072 if (GIMME != G_ARRAY) {
4073 PUSHs(sv = sv_newmortal());
4075 if (which == OP_GPWNAM)
4076 sv_setiv(sv, (IV)pwent->pw_uid);
4078 sv_setpv(sv, pwent->pw_name);
4084 PUSHs(sv = sv_mortalcopy(&sv_no));
4085 sv_setpv(sv, pwent->pw_name);
4086 PUSHs(sv = sv_mortalcopy(&sv_no));
4087 sv_setpv(sv, pwent->pw_passwd);
4088 PUSHs(sv = sv_mortalcopy(&sv_no));
4089 sv_setiv(sv, (IV)pwent->pw_uid);
4090 PUSHs(sv = sv_mortalcopy(&sv_no));
4091 sv_setiv(sv, (IV)pwent->pw_gid);
4092 PUSHs(sv = sv_mortalcopy(&sv_no));
4094 sv_setiv(sv, (IV)pwent->pw_change);
4097 sv_setiv(sv, (IV)pwent->pw_quota);
4100 sv_setpv(sv, pwent->pw_age);
4104 PUSHs(sv = sv_mortalcopy(&sv_no));
4106 sv_setpv(sv, pwent->pw_class);
4109 sv_setpv(sv, pwent->pw_comment);
4112 PUSHs(sv = sv_mortalcopy(&sv_no));
4113 sv_setpv(sv, pwent->pw_gecos);
4114 #ifndef INCOMPLETE_TAINTS
4117 PUSHs(sv = sv_mortalcopy(&sv_no));
4118 sv_setpv(sv, pwent->pw_dir);
4119 PUSHs(sv = sv_mortalcopy(&sv_no));
4120 sv_setpv(sv, pwent->pw_shell);
4122 PUSHs(sv = sv_mortalcopy(&sv_no));
4123 sv_setiv(sv, (IV)pwent->pw_expire);
4128 DIE(no_func, "getpwent");
4135 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4139 DIE(no_func, "setpwent");
4150 DIE(no_func, "endpwent");
4157 return pp_ggrent(ARGS);
4159 DIE(no_func, "getgrnam");
4166 return pp_ggrent(ARGS);
4168 DIE(no_func, "getgrgid");
4176 I32 which = op->op_type;
4177 register char **elem;
4179 struct group *grent;
4181 if (which == OP_GGRNAM)
4182 grent = (struct group *)getgrnam(POPp);
4183 else if (which == OP_GGRGID)
4184 grent = (struct group *)getgrgid(POPi);
4186 grent = (struct group *)getgrent();
4189 if (GIMME != G_ARRAY) {
4190 PUSHs(sv = sv_newmortal());
4192 if (which == OP_GGRNAM)
4193 sv_setiv(sv, (IV)grent->gr_gid);
4195 sv_setpv(sv, grent->gr_name);
4201 PUSHs(sv = sv_mortalcopy(&sv_no));
4202 sv_setpv(sv, grent->gr_name);
4203 PUSHs(sv = sv_mortalcopy(&sv_no));
4204 sv_setpv(sv, grent->gr_passwd);
4205 PUSHs(sv = sv_mortalcopy(&sv_no));
4206 sv_setiv(sv, (IV)grent->gr_gid);
4207 PUSHs(sv = sv_mortalcopy(&sv_no));
4208 for (elem = grent->gr_mem; elem && *elem; elem++) {
4209 sv_catpv(sv, *elem);
4211 sv_catpvn(sv, " ", 1);
4217 DIE(no_func, "getgrent");
4228 DIE(no_func, "setgrent");
4239 DIE(no_func, "endgrent");
4249 if (!(tmps = getlogin()))
4251 PUSHp(tmps, strlen(tmps));
4254 DIE(no_func, "getlogin");
4258 /* Miscellaneous. */
4263 dSP; dMARK; dORIGMARK; dTARGET;
4264 register I32 items = SP - MARK;
4265 unsigned long a[20];
4271 while (++MARK <= SP) {
4272 if (SvTAINTED(*MARK)) {
4278 TAINT_PROPER("syscall");
4281 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4282 * or where sizeof(long) != sizeof(char*). But such machines will
4283 * not likely have syscall implemented either, so who cares?
4285 while (++MARK <= SP) {
4286 if (SvNIOK(*MARK) || !i)
4287 a[i++] = SvIV(*MARK);
4288 else if (*MARK == &sv_undef)
4291 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4297 DIE("Too many args to syscall");
4299 DIE("Too few args to syscall");
4301 retval = syscall(a[0]);
4304 retval = syscall(a[0],a[1]);
4307 retval = syscall(a[0],a[1],a[2]);
4310 retval = syscall(a[0],a[1],a[2],a[3]);
4313 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4316 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4319 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4322 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4326 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4329 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4332 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4336 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4340 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4344 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4345 a[10],a[11],a[12],a[13]);
4347 #endif /* atarist */
4353 DIE(no_func, "syscall");
4357 #ifdef FCNTL_EMULATE_FLOCK
4359 /* XXX Emulate flock() with fcntl().
4360 What's really needed is a good file locking module.
4364 fcntl_emulate_flock(fd, operation)
4370 switch (operation & ~LOCK_NB) {
4372 flock.l_type = F_RDLCK;
4375 flock.l_type = F_WRLCK;
4378 flock.l_type = F_UNLCK;
4384 flock.l_whence = SEEK_SET;
4385 flock.l_start = flock.l_len = 0L;
4387 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4390 #endif /* FCNTL_EMULATE_FLOCK */
4392 #ifdef LOCKF_EMULATE_FLOCK
4394 /* XXX Emulate flock() with lockf(). This is just to increase
4395 portability of scripts. The calls are not completely
4396 interchangeable. What's really needed is a good file
4400 /* The lockf() constants might have been defined in <unistd.h>.
4401 Unfortunately, <unistd.h> causes troubles on some mixed
4402 (BSD/POSIX) systems, such as SunOS 4.1.3.
4404 Further, the lockf() constants aren't POSIX, so they might not be
4405 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4406 just stick in the SVID values and be done with it. Sigh.
4410 # define F_ULOCK 0 /* Unlock a previously locked region */
4413 # define F_LOCK 1 /* Lock a region for exclusive use */
4416 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4419 # define F_TEST 3 /* Test a region for other processes locks */
4423 lockf_emulate_flock (fd, operation)
4431 /* flock locks entire file so for lockf we need to do the same */
4433 pos = lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4434 if (pos > 0) /* is seekable and needs to be repositioned */
4435 if (lseek(fd, (Off_t)0, SEEK_SET) < 0)
4436 pos = -1; /* seek failed, so don't seek back afterwards */
4439 switch (operation) {
4441 /* LOCK_SH - get a shared lock */
4443 /* LOCK_EX - get an exclusive lock */
4445 i = lockf (fd, F_LOCK, 0);
4448 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4449 case LOCK_SH|LOCK_NB:
4450 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4451 case LOCK_EX|LOCK_NB:
4452 i = lockf (fd, F_TLOCK, 0);
4454 if ((errno == EAGAIN) || (errno == EACCES))
4455 errno = EWOULDBLOCK;
4458 /* LOCK_UN - unlock (non-blocking is a no-op) */
4460 case LOCK_UN|LOCK_NB:
4461 i = lockf (fd, F_ULOCK, 0);
4464 /* Default - can't decipher operation */
4471 if (pos > 0) /* need to restore position of the handle */
4472 lseek(fd, pos, SEEK_SET); /* ignore error here */
4477 #endif /* LOCKF_EMULATE_FLOCK */