3 * Copyright (c) 1991-1997, Larry Wall
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
11 * But only a short way ahead its floor and the walls on either side were
12 * cloven by a great fissure, out of which the red glare came, now leaping
13 * up, now dying down into darkness; and all the while far below there was
14 * a rumour and a trouble as of great engines throbbing and labouring.
20 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
27 extern "C" int syscall(unsigned long,...);
32 # include <sys/wait.h>
36 # include <sys/resource.h>
39 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
40 # include <sys/socket.h>
46 # include <net/errno.h>
53 #include <sys/select.h>
57 /* XXX Configure test needed.
58 h_errno might not be a simple 'int', especially for multi-threaded
59 applications. HOST_NOT_FOUND is typically defined in <netdb.h>.
61 #if defined(HOST_NOT_FOUND) && !defined(h_errno)
69 struct passwd *getpwnam _((char *));
70 struct passwd *getpwuid _((Uid_t));
72 struct passwd *getpwent _((void));
79 struct group *getgrnam _((char *));
80 struct group *getgrgid _((Gid_t));
82 struct group *getgrent _((void));
86 # if defined(_MSC_VER) || defined(__MINGW32__)
87 # include <sys/utime.h>
99 /* Put this after #includes because fork and vfork prototypes may conflict. */
104 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
106 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
107 # define Sock_size_t Size_t
109 # define Sock_size_t int
113 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
114 static int dooneliner _((char *cmd, char *filename));
118 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
121 # define my_chsize PerlLIO_chsize
126 #else /* no flock() */
128 /* fcntl.h might not have been included, even if it exists, because
129 the current Configure only sets I_FCNTL if it's needed to pick up
130 the *_OK constants. Make sure it has been included before testing
131 the fcntl() locking constants. */
132 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
136 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
137 # define FLOCK fcntl_emulate_flock
138 # define FCNTL_EMULATE_FLOCK
139 # else /* no flock() or fcntl(F_SETLK,...) */
141 # define FLOCK lockf_emulate_flock
142 # define LOCKF_EMULATE_FLOCK
144 # endif /* no flock() or fcntl(F_SETLK,...) */
147 static int FLOCK _((int, int));
150 * These are the flock() constants. Since this sytems doesn't have
151 * flock(), the values of the constants are probably not available.
165 # endif /* emulating flock() */
167 #endif /* no flock() */
171 # define MAXPATHLEN PATH_MAX
173 # define MAXPATHLEN 1024
178 static char zero_but_true[ZBTLEN + 1] = "0 but true";
190 fp = PerlProc_popen(tmps, "r");
192 if (gimme == G_VOID) {
194 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
198 else if (gimme == G_SCALAR) {
199 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
200 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
211 if (sv_gets(sv, fp, 0) == Nullch) {
215 XPUSHs(sv_2mortal(sv));
216 if (SvLEN(sv) - SvCUR(sv) > 20) {
217 SvLEN_set(sv, SvCUR(sv)+1);
218 Renew(SvPVX(sv), SvLEN(sv), char);
223 STATUS_NATIVE_SET(PerlProc_pclose(fp));
224 TAINT; /* "I believe that this is not gratuitous!" */
227 STATUS_NATIVE_SET(-1);
228 if (gimme == G_SCALAR)
243 * The external globbing program may use things we can't control,
244 * so for security reasons we must assume the worst.
247 taint_proper(no_security, "glob");
251 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
252 last_in_gv = (GV*)*stack_sp--;
254 SAVESPTR(rs); /* This is not permanent, either. */
255 rs = sv_2mortal(newSVpv("", 1));
262 result = do_readline();
267 #if 0 /* XXX never used! */
270 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
271 return do_readline();
277 last_in_gv = cGVOP->op_gv;
278 return do_readline();
285 if (SP - MARK != 1) {
287 do_join(TARG, &sv_no, MARK, SP);
288 tmps = SvPV(TARG, na);
292 tmps = SvPV(TOPs, na);
294 if (!tmps || !*tmps) {
296 (void)SvUPGRADE(error, SVt_PV);
297 if (SvPOK(error) && SvCUR(error))
298 sv_catpv(error, "\t...caught");
299 tmps = SvPV(error, na);
302 tmps = "Warning: something's wrong";
313 if (SP - MARK != 1) {
315 do_join(TARG, &sv_no, MARK, SP);
316 tmps = SvPV(TARG, na);
321 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, na);
323 if (!tmps || !*tmps) {
325 (void)SvUPGRADE(error, SVt_PV);
326 if(tmpsv ? SvROK(tmpsv) : SvROK(error)) {
328 SvSetSV(error,tmpsv);
329 else if(sv_isobject(error)) {
330 HV *stash = SvSTASH(SvRV(error));
331 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
333 SV *file = sv_2mortal(newSVsv(GvSV(curcop->cop_filegv)));
334 SV *line = sv_2mortal(newSViv(curcop->cop_line));
341 perl_call_sv((SV*)GvCV(gv),
342 G_SCALAR|G_EVAL|G_KEEPERR);
343 sv_setsv(error,*stack_sp--);
349 if (SvPOK(error) && SvCUR(error))
350 sv_catpv(error, "\t...propagated");
351 tmps = SvPV(error, na);
372 DIE(no_usym, "filehandle");
377 DIE(no_usym, "filehandle");
379 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
380 tmps = SvPV(sv, len);
381 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp))
382 PUSHi( (I32)forkprocess );
383 else if (forkprocess == 0) /* we are a new child */
401 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
406 perl_call_method("CLOSE", G_SCALAR);
412 PUSHs(boolSV(do_close(gv, TRUE)));
432 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
433 DIE(no_usym, "filehandle");
438 do_close(rgv, FALSE);
440 do_close(wgv, FALSE);
442 if (PerlProc_pipe(fd) < 0)
445 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
446 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
447 IoIFP(wstio) = IoOFP(wstio);
451 if (!IoIFP(rstio) || !IoOFP(wstio)) {
452 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
453 else PerlLIO_close(fd[0]);
454 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
455 else PerlLIO_close(fd[1]);
464 DIE(no_func, "pipe");
477 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
479 PUSHi(PerlIO_fileno(fp));
490 anum = PerlLIO_umask(0);
491 (void)PerlLIO_umask(anum);
494 anum = PerlLIO_umask(POPi);
495 TAINT_PROPER("umask");
516 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
519 if (do_binmode(fp,IoTYPE(io),TRUE))
534 I32 markoff = MARK - stack_base;
540 switch(SvTYPE(varsv)) {
542 methname = "TIEHASH";
545 methname = "TIEARRAY";
548 methname = "TIEHANDLE";
552 methname = "TIESCALAR";
557 if (sv_isobject(*MARK)) {
559 PUSHSTACKi(PERLSI_MAGIC);
565 perl_call_method(methname, G_SCALAR);
568 /* Not clear why we don't call perl_call_method here too.
569 * perhaps to get different error message ?
571 stash = gv_stashsv(*MARK, FALSE);
572 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
573 DIE("Can't locate object method \"%s\" via package \"%s\"",
574 methname, SvPV(*MARK,na));
577 PUSHSTACKi(PERLSI_MAGIC);
583 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
589 if (sv_isobject(sv)) {
590 sv_unmagic(varsv, how);
591 sv_magic(varsv, sv, how, Nullch, 0);
594 SP = stack_base + markoff;
609 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
610 mg = mg_find(sv, 'P') ;
612 mg = mg_find(sv, 'q') ;
614 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
615 warn("untie attempted while %lu inner references still exist",
616 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
620 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
635 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
636 mg = mg_find(sv, 'P') ;
638 mg = mg_find(sv, 'q') ;
641 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
659 sv = sv_mortalcopy(&sv_no);
660 sv_setpv(sv, "AnyDBM_File");
661 stash = gv_stashsv(sv, FALSE);
662 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
664 perl_require_pv("AnyDBM_File.pm");
666 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
667 DIE("No dbm on this machine");
677 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
679 PUSHs(sv_2mortal(newSViv(O_RDWR)));
682 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
685 if (!sv_isobject(TOPs)) {
690 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
693 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
697 if (sv_isobject(TOPs)) {
698 sv_unmagic((SV *) hv, 'P');
699 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
707 return pp_untie(ARGS);
721 struct timeval timebuf;
722 struct timeval *tbuf = &timebuf;
725 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
730 # if BYTEORDER & 0xf0000
731 # define ORDERBYTE (0x88888888 - BYTEORDER)
733 # define ORDERBYTE (0x4444 - BYTEORDER)
739 for (i = 1; i <= 3; i++) {
747 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
748 #if defined(__linux__) || defined(OS2)
749 growsize = sizeof(fd_set);
751 growsize = maxlen; /* little endians can use vecs directly */
760 masksize = NFDBITS / NBBY;
762 masksize = sizeof(long); /* documented int, everyone seems to use long */
764 growsize = maxlen + (masksize - (maxlen % masksize));
765 Zero(&fd_sets[0], 4, char*);
773 timebuf.tv_sec = (long)value;
774 value -= (double)timebuf.tv_sec;
775 timebuf.tv_usec = (long)(value * 1000000.0);
778 tbuf = Null(struct timeval*);
780 for (i = 1; i <= 3; i++) {
787 SvPV_force(sv,na); /* force string conversion */
790 Sv_Grow(sv, growsize);
794 while (++j <= growsize) {
798 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
800 New(403, fd_sets[i], growsize, char);
801 for (offset = 0; offset < growsize; offset += masksize) {
802 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
803 fd_sets[i][j+offset] = s[(k % masksize) + offset];
806 fd_sets[i] = SvPVX(sv);
810 nfound = PerlSock_select(
812 (Select_fd_set_t) fd_sets[1],
813 (Select_fd_set_t) fd_sets[2],
814 (Select_fd_set_t) fd_sets[3],
816 for (i = 1; i <= 3; i++) {
819 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
821 for (offset = 0; offset < growsize; offset += masksize) {
822 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
823 s[(k % masksize) + offset] = fd_sets[i][j+offset];
825 Safefree(fd_sets[i]);
832 if (GIMME == G_ARRAY && tbuf) {
833 value = (double)(timebuf.tv_sec) +
834 (double)(timebuf.tv_usec) / 1000000.0;
835 PUSHs(sv = sv_mortalcopy(&sv_no));
840 DIE("select not implemented");
849 (void)SvREFCNT_inc(gv);
851 SvREFCNT_dec(defoutgv);
861 newdefout = (op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
863 egv = GvEGV(defoutgv);
870 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
871 if (gvp && *gvp == egv) {
872 gv_efullname3(TARG, defoutgv, Nullch);
876 XPUSHs(sv_2mortal(newRV((SV*)egv)));
881 if (!GvIO(newdefout))
883 setdefout(newdefout);
902 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
908 perl_call_method("GETC", gimme);
911 if (gimme == G_SCALAR)
912 SvSetMagicSV_nosteal(TARG, TOPs);
915 if (!gv || do_eof(gv)) /* make sure we have fp with something */
919 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
926 return pp_sysread(ARGS);
930 doform(CV *cv, GV *gv, OP *retop)
933 register PERL_CONTEXT *cx;
935 AV* padlist = CvPADLIST(cv);
936 SV** svp = AvARRAY(padlist);
942 PUSHBLOCK(cx, CXt_SUB, stack_sp);
945 curpad = AvARRAY((AV*)svp[1]);
947 setdefout(gv); /* locally select filehandle so $% et al work */
979 SV *tmpsv = sv_newmortal();
980 gv_efullname3(tmpsv, fgv, Nullch);
981 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
983 DIE("Not a format reference");
986 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
988 IoFLAGS(io) &= ~IOf_DIDTOP;
989 return doform(cv,gv,op->op_next);
995 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
996 register IO *io = GvIOp(gv);
997 PerlIO *ofp = IoOFP(io);
1001 register PERL_CONTEXT *cx;
1003 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1004 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
1005 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
1006 formtarget != toptarget)
1010 if (!IoTOP_GV(io)) {
1014 if (!IoTOP_NAME(io)) {
1015 if (!IoFMT_NAME(io))
1016 IoFMT_NAME(io) = savepv(GvNAME(gv));
1017 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1018 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1019 if ((topgv && GvFORM(topgv)) ||
1020 !gv_fetchpv("top",FALSE,SVt_PVFM))
1021 IoTOP_NAME(io) = savepv(SvPVX(topname));
1023 IoTOP_NAME(io) = savepv("top");
1025 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1026 if (!topgv || !GvFORM(topgv)) {
1027 IoLINES_LEFT(io) = 100000000;
1030 IoTOP_GV(io) = topgv;
1032 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1033 I32 lines = IoLINES_LEFT(io);
1034 char *s = SvPVX(formtarget);
1035 if (lines <= 0) /* Yow, header didn't even fit!!! */
1037 while (lines-- > 0) {
1038 s = strchr(s, '\n');
1044 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1045 sv_chop(formtarget, s);
1046 FmLINES(formtarget) -= IoLINES_LEFT(io);
1049 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1050 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1051 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1053 formtarget = toptarget;
1054 IoFLAGS(io) |= IOf_DIDTOP;
1057 DIE("bad top format reference");
1060 SV *tmpsv = sv_newmortal();
1061 gv_efullname3(tmpsv, fgv, Nullch);
1062 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1065 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1066 return doform(cv,gv,op);
1078 warn("Filehandle only opened for input");
1080 warn("Write on closed filehandle");
1085 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1087 warn("page overflow");
1089 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1093 FmLINES(formtarget) = 0;
1094 SvCUR_set(formtarget, 0);
1095 *SvEND(formtarget) = '\0';
1096 if (IoFLAGS(io) & IOf_FLUSH)
1097 (void)PerlIO_flush(fp);
1101 formtarget = bodytarget;
1103 return pop_return();
1108 djSP; dMARK; dORIGMARK;
1115 if (op->op_flags & OPf_STACKED)
1120 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1121 if (MARK == ORIGMARK) {
1124 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1131 perl_call_method("PRINTF", G_SCALAR);
1134 MARK = ORIGMARK + 1;
1141 if (!(io = GvIO(gv))) {
1143 gv_fullname3(sv, gv, Nullch);
1144 warn("Filehandle %s never opened", SvPV(sv,na));
1146 SETERRNO(EBADF,RMS$_IFI);
1149 else if (!(fp = IoOFP(io))) {
1151 gv_fullname3(sv, gv, Nullch);
1153 warn("Filehandle %s opened only for input", SvPV(sv,na));
1155 warn("printf on closed filehandle %s", SvPV(sv,na));
1157 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1161 #ifdef USE_LOCALE_NUMERIC
1162 if (op->op_private & OPpLOCALE)
1163 SET_NUMERIC_LOCAL();
1165 SET_NUMERIC_STANDARD();
1167 do_sprintf(sv, SP - MARK, MARK + 1);
1168 if (!do_print(sv, fp))
1171 if (IoFLAGS(io) & IOf_FLUSH)
1172 if (PerlIO_flush(fp) == EOF)
1204 tmps = SvPV(sv, len);
1205 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1206 IoLINES(GvIOp(gv)) = 0;
1217 djSP; dMARK; dORIGMARK; dTARGET;
1223 Sock_size_t bufsize;
1229 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1230 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1237 perl_call_method("READ", G_SCALAR);
1250 sv_setpvn(bufsv, "", 0);
1251 buffer = SvPV_force(bufsv, blen);
1252 length = SvIVx(*++MARK);
1254 DIE("Negative length");
1257 offset = SvIVx(*++MARK);
1261 if (!io || !IoIFP(io))
1264 if (op->op_type == OP_RECV) {
1265 char namebuf[MAXPATHLEN];
1266 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1267 bufsize = sizeof (struct sockaddr_in);
1269 bufsize = sizeof namebuf;
1271 buffer = SvGROW(bufsv, length+1);
1272 /* 'offset' means 'flags' here */
1273 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1274 (struct sockaddr *)namebuf, &bufsize);
1277 SvCUR_set(bufsv, length);
1278 *SvEND(bufsv) = '\0';
1279 (void)SvPOK_only(bufsv);
1281 /* This should not be marked tainted if the fp is marked clean */
1282 if (!(IoFLAGS(io) & IOf_UNTAINT))
1283 SvTAINTED_on(bufsv);
1285 sv_setpvn(TARG, namebuf, bufsize);
1290 if (op->op_type == OP_RECV)
1291 DIE(no_sock_func, "recv");
1295 DIE("Offset outside string");
1298 bufsize = SvCUR(bufsv);
1299 buffer = SvGROW(bufsv, length+offset+1);
1300 if (offset > bufsize) { /* Zero any newly allocated space */
1301 Zero(buffer+bufsize, offset-bufsize, char);
1303 if (op->op_type == OP_SYSREAD) {
1304 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1307 #ifdef HAS_SOCKET__bad_code_maybe
1308 if (IoTYPE(io) == 's') {
1309 char namebuf[MAXPATHLEN];
1310 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1311 bufsize = sizeof (struct sockaddr_in);
1313 bufsize = sizeof namebuf;
1315 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1316 (struct sockaddr *)namebuf, &bufsize);
1321 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1322 /* fread() returns 0 on both error and EOF */
1323 if (PerlIO_error(IoIFP(io)))
1328 SvCUR_set(bufsv, length+offset);
1329 *SvEND(bufsv) = '\0';
1330 (void)SvPOK_only(bufsv);
1332 /* This should not be marked tainted if the fp is marked clean */
1333 if (!(IoFLAGS(io) & IOf_UNTAINT))
1334 SvTAINTED_on(bufsv);
1346 return pp_send(ARGS);
1351 djSP; dMARK; dORIGMARK; dTARGET;
1362 if (op->op_type == OP_SYSWRITE &&
1363 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1370 perl_call_method("WRITE", G_SCALAR);
1381 buffer = SvPV(bufsv, blen);
1382 length = SvIVx(*++MARK);
1384 DIE("Negative length");
1387 if (!io || !IoIFP(io)) {
1390 if (op->op_type == OP_SYSWRITE)
1391 warn("Syswrite on closed filehandle");
1393 warn("Send on closed socket");
1396 else if (op->op_type == OP_SYSWRITE) {
1398 offset = SvIVx(*++MARK);
1401 DIE("Offset outside string");
1403 } else if (offset >= blen && blen > 0)
1404 DIE("Offset outside string");
1407 if (length > blen - offset)
1408 length = blen - offset;
1409 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1412 else if (SP > MARK) {
1415 sockbuf = SvPVx(*++MARK, mlen);
1416 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1417 (struct sockaddr *)sockbuf, mlen);
1420 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1424 DIE(no_sock_func, "send");
1439 return pp_sysread(ARGS);
1450 gv = last_in_gv = (GV*)POPs;
1451 PUSHs(boolSV(!gv || do_eof(gv)));
1463 gv = last_in_gv = (GV*)POPs;
1464 PUSHi( do_tell(gv) );
1470 return pp_sysseek(ARGS);
1480 gv = last_in_gv = (GV*)POPs;
1481 if (op->op_type == OP_SEEK)
1482 PUSHs(boolSV(do_seek(gv, offset, whence)));
1484 long n = do_sysseek(gv, offset, whence);
1485 PUSHs((n < 0) ? &sv_undef
1486 : sv_2mortal(n ? newSViv((IV)n)
1487 : newSVpv(zero_but_true, ZBTLEN)));
1495 Off_t len = (Off_t)POPn;
1500 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1501 if (op->op_flags & OPf_SPECIAL) {
1502 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1504 TAINT_PROPER("truncate");
1505 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1507 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1509 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1517 if (SvTYPE(sv) == SVt_PVGV) {
1518 tmpgv = (GV*)sv; /* *main::FRED for example */
1521 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1522 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1526 name = SvPV(sv, na);
1527 TAINT_PROPER("truncate");
1529 if (truncate(name, len) < 0)
1534 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1537 if (my_chsize(tmpfd, len) < 0)
1539 PerlLIO_close(tmpfd);
1548 SETERRNO(EBADF,RMS$_IFI);
1551 DIE("truncate not implemented");
1557 return pp_ioctl(ARGS);
1564 unsigned int func = U_I(POPn);
1565 int optype = op->op_type;
1571 if (!io || !argsv || !IoIFP(io)) {
1572 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1576 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1579 s = SvPV_force(argsv, len);
1580 need = IOCPARM_LEN(func);
1582 s = Sv_Grow(argsv, need + 1);
1583 SvCUR_set(argsv, need);
1586 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1589 retval = SvIV(argsv);
1590 s = (char*)retval; /* ouch */
1593 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1595 if (optype == OP_IOCTL)
1597 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1599 DIE("ioctl is not implemented");
1603 #if defined(OS2) && defined(__EMX__)
1604 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1606 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1609 DIE("fcntl is not implemented");
1613 if (s[SvCUR(argsv)] != 17)
1614 DIE("Possible memory corruption: %s overflowed 3rd argument",
1616 s[SvCUR(argsv)] = 0; /* put our null back */
1617 SvSETMAGIC(argsv); /* Assume it has changed */
1626 PUSHp(zero_but_true, ZBTLEN);
1646 fp = IoIFP(GvIOp(gv));
1650 (void)PerlIO_flush(fp);
1651 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1658 DIE(no_func, "flock()");
1670 int protocol = POPi;
1678 SETERRNO(EBADF,LIB$_INVARG);
1684 do_close(gv, FALSE);
1686 TAINT_PROPER("socket");
1687 fd = PerlSock_socket(domain, type, protocol);
1690 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1691 IoOFP(io) = PerlIO_fdopen(fd, "w");
1693 if (!IoIFP(io) || !IoOFP(io)) {
1694 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1695 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1696 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1702 DIE(no_sock_func, "socket");
1709 #ifdef HAS_SOCKETPAIR
1714 int protocol = POPi;
1727 do_close(gv1, FALSE);
1729 do_close(gv2, FALSE);
1731 TAINT_PROPER("socketpair");
1732 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1734 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1735 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1737 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1738 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1740 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1741 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1742 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1743 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1744 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1745 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1746 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1752 DIE(no_sock_func, "socketpair");
1763 register IO *io = GvIOn(gv);
1766 if (!io || !IoIFP(io))
1769 addr = SvPV(addrsv, len);
1770 TAINT_PROPER("bind");
1771 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1778 warn("bind() on closed fd");
1779 SETERRNO(EBADF,SS$_IVCHAN);
1782 DIE(no_sock_func, "bind");
1793 register IO *io = GvIOn(gv);
1796 if (!io || !IoIFP(io))
1799 addr = SvPV(addrsv, len);
1800 TAINT_PROPER("connect");
1801 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1808 warn("connect() on closed fd");
1809 SETERRNO(EBADF,SS$_IVCHAN);
1812 DIE(no_sock_func, "connect");
1822 register IO *io = GvIOn(gv);
1824 if (!io || !IoIFP(io))
1827 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1834 warn("listen() on closed fd");
1835 SETERRNO(EBADF,SS$_IVCHAN);
1838 DIE(no_sock_func, "listen");
1850 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1851 Sock_size_t len = sizeof saddr;
1863 if (!gstio || !IoIFP(gstio))
1868 do_close(ngv, FALSE);
1870 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1873 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1874 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1875 IoTYPE(nstio) = 's';
1876 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1877 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1878 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1879 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
1883 PUSHp((char *)&saddr, len);
1888 warn("accept() on closed fd");
1889 SETERRNO(EBADF,SS$_IVCHAN);
1895 DIE(no_sock_func, "accept");
1905 register IO *io = GvIOn(gv);
1907 if (!io || !IoIFP(io))
1910 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1915 warn("shutdown() on closed fd");
1916 SETERRNO(EBADF,SS$_IVCHAN);
1919 DIE(no_sock_func, "shutdown");
1926 return pp_ssockopt(ARGS);
1928 DIE(no_sock_func, "getsockopt");
1936 int optype = op->op_type;
1939 unsigned int optname;
1945 if (optype == OP_GSOCKOPT)
1946 sv = sv_2mortal(NEWSV(22, 257));
1949 optname = (unsigned int) POPi;
1950 lvl = (unsigned int) POPi;
1954 if (!io || !IoIFP(io))
1957 fd = PerlIO_fileno(IoIFP(io));
1961 (void)SvPOK_only(sv);
1965 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1979 aint = (int)SvIV(sv);
1983 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
1993 warn("[gs]etsockopt() on closed fd");
1994 SETERRNO(EBADF,SS$_IVCHAN);
1999 DIE(no_sock_func, "setsockopt");
2006 return pp_getpeername(ARGS);
2008 DIE(no_sock_func, "getsockname");
2016 int optype = op->op_type;
2020 register IO *io = GvIOn(gv);
2023 if (!io || !IoIFP(io))
2026 sv = sv_2mortal(NEWSV(22, 257));
2027 (void)SvPOK_only(sv);
2031 fd = PerlIO_fileno(IoIFP(io));
2033 case OP_GETSOCKNAME:
2034 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2037 case OP_GETPEERNAME:
2038 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2040 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2042 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2043 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2044 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2045 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2046 sizeof(u_short) + sizeof(struct in_addr))) {
2053 #ifdef BOGUS_GETNAME_RETURN
2054 /* Interactive Unix, getpeername() and getsockname()
2055 does not return valid namelen */
2056 if (len == BOGUS_GETNAME_RETURN)
2057 len = sizeof(struct sockaddr);
2066 warn("get{sock, peer}name() on closed fd");
2067 SETERRNO(EBADF,SS$_IVCHAN);
2072 DIE(no_sock_func, "getpeername");
2080 return pp_stat(ARGS);
2090 if (op->op_flags & OPf_REF) {
2091 tmpgv = cGVOP->op_gv;
2093 if (tmpgv != defgv) {
2094 laststype = OP_STAT;
2096 sv_setpv(statname, "");
2097 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2098 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2100 if (laststatval < 0)
2105 if (SvTYPE(sv) == SVt_PVGV) {
2109 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2110 tmpgv = (GV*)SvRV(sv);
2113 sv_setpv(statname, SvPV(sv,na));
2116 laststype = op->op_type;
2117 if (op->op_type == OP_LSTAT)
2118 laststatval = PerlLIO_lstat(SvPV(statname, na), &statcache);
2121 laststatval = PerlLIO_stat(SvPV(statname, na), &statcache);
2122 if (laststatval < 0) {
2123 if (dowarn && strchr(SvPV(statname, na), '\n'))
2124 warn(warn_nl, "stat");
2130 if (gimme != G_ARRAY) {
2131 if (gimme != G_VOID)
2132 XPUSHs(boolSV(max));
2138 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2139 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2140 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2141 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2142 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2143 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2144 #ifdef USE_STAT_RDEV
2145 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2147 PUSHs(sv_2mortal(newSVpv("", 0)));
2149 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2151 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2152 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2153 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2155 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2156 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2157 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2159 #ifdef USE_STAT_BLOCKS
2160 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2161 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2163 PUSHs(sv_2mortal(newSVpv("", 0)));
2164 PUSHs(sv_2mortal(newSVpv("", 0)));
2172 I32 result = my_stat(ARGS);
2176 if (cando(S_IRUSR, 0, &statcache))
2183 I32 result = my_stat(ARGS);
2187 if (cando(S_IWUSR, 0, &statcache))
2194 I32 result = my_stat(ARGS);
2198 if (cando(S_IXUSR, 0, &statcache))
2205 I32 result = my_stat(ARGS);
2209 if (cando(S_IRUSR, 1, &statcache))
2216 I32 result = my_stat(ARGS);
2220 if (cando(S_IWUSR, 1, &statcache))
2227 I32 result = my_stat(ARGS);
2231 if (cando(S_IXUSR, 1, &statcache))
2238 I32 result = my_stat(ARGS);
2247 return pp_ftrowned(ARGS);
2252 I32 result = my_stat(ARGS);
2256 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2263 I32 result = my_stat(ARGS);
2267 if (!statcache.st_size)
2274 I32 result = my_stat(ARGS);
2278 PUSHi(statcache.st_size);
2284 I32 result = my_stat(ARGS);
2288 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2294 I32 result = my_stat(ARGS);
2298 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2304 I32 result = my_stat(ARGS);
2308 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2314 I32 result = my_stat(ARGS);
2318 if (S_ISSOCK(statcache.st_mode))
2325 I32 result = my_stat(ARGS);
2329 if (S_ISCHR(statcache.st_mode))
2336 I32 result = my_stat(ARGS);
2340 if (S_ISBLK(statcache.st_mode))
2347 I32 result = my_stat(ARGS);
2351 if (S_ISREG(statcache.st_mode))
2358 I32 result = my_stat(ARGS);
2362 if (S_ISDIR(statcache.st_mode))
2369 I32 result = my_stat(ARGS);
2373 if (S_ISFIFO(statcache.st_mode))
2380 I32 result = my_lstat(ARGS);
2384 if (S_ISLNK(statcache.st_mode))
2393 I32 result = my_stat(ARGS);
2397 if (statcache.st_mode & S_ISUID)
2407 I32 result = my_stat(ARGS);
2411 if (statcache.st_mode & S_ISGID)
2421 I32 result = my_stat(ARGS);
2425 if (statcache.st_mode & S_ISVTX)
2436 char *tmps = Nullch;
2438 if (op->op_flags & OPf_REF)
2440 else if (isGV(TOPs))
2442 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2443 gv = (GV*)SvRV(POPs);
2445 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2447 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2448 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2449 else if (tmps && isDIGIT(*tmps))
2453 if (PerlLIO_isatty(fd))
2458 #if defined(atarist) /* this will work with atariST. Configure will
2459 make guesses for other systems. */
2460 # define FILE_base(f) ((f)->_base)
2461 # define FILE_ptr(f) ((f)->_ptr)
2462 # define FILE_cnt(f) ((f)->_cnt)
2463 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2473 register STDCHAR *s;
2478 if (op->op_flags & OPf_REF)
2480 else if (isGV(TOPs))
2482 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2483 gv = (GV*)SvRV(POPs);
2494 goto really_filename;
2500 sv_setpv(statname, "");
2503 if (io && IoIFP(io)) {
2504 if (! PerlIO_has_base(IoIFP(io)))
2505 DIE("-T and -B not implemented on filehandles");
2506 laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2507 if (laststatval < 0)
2509 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2510 if (op->op_type == OP_FTTEXT)
2514 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2515 i = PerlIO_getc(IoIFP(io));
2517 (void)PerlIO_ungetc(IoIFP(io),i);
2519 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2521 len = PerlIO_get_bufsiz(IoIFP(io));
2522 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2523 /* sfio can have large buffers - limit to 512 */
2529 warn("Test on unopened file <%s>",
2530 GvENAME(cGVOP->op_gv));
2531 SETERRNO(EBADF,RMS$_IFI);
2540 sv_setpv(statname, SvPV(sv, na));
2542 i = PerlLIO_open3(SvPV(sv, na), O_RDONLY, 0);
2544 i = PerlLIO_open(SvPV(sv, na), 0);
2547 if (dowarn && strchr(SvPV(sv, na), '\n'))
2548 warn(warn_nl, "open");
2551 laststatval = PerlLIO_fstat(i, &statcache);
2552 if (laststatval < 0)
2554 len = PerlLIO_read(i, tbuf, 512);
2555 (void)PerlLIO_close(i);
2557 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2558 RETPUSHNO; /* special case NFS directories */
2559 RETPUSHYES; /* null file is anything */
2564 /* now scan s to look for textiness */
2565 /* XXX ASCII dependent code */
2567 for (i = 0; i < len; i++, s++) {
2568 if (!*s) { /* null never allowed in text */
2575 *s != '\n' && *s != '\r' && *s != '\b' &&
2576 *s != '\t' && *s != '\f' && *s != 27)
2580 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2588 return pp_fttext(ARGS);
2603 if (!tmps || !*tmps) {
2604 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2606 tmps = SvPV(*svp, na);
2608 if (!tmps || !*tmps) {
2609 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2611 tmps = SvPV(*svp, na);
2614 if (!tmps || !*tmps) {
2615 svp = hv_fetch(GvHVn(envgv), "SYS$LOGIN", 9, FALSE);
2617 tmps = SvPV(*svp, na);
2620 TAINT_PROPER("chdir");
2621 PUSHi( PerlDir_chdir(tmps) >= 0 );
2623 /* Clear the DEFAULT element of ENV so we'll get the new value
2625 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2632 djSP; dMARK; dTARGET;
2635 value = (I32)apply(op->op_type, MARK, SP);
2640 DIE(no_func, "Unsupported function chown");
2650 TAINT_PROPER("chroot");
2651 PUSHi( chroot(tmps) >= 0 );
2654 DIE(no_func, "chroot");
2660 djSP; dMARK; dTARGET;
2662 value = (I32)apply(op->op_type, MARK, SP);
2670 djSP; dMARK; dTARGET;
2672 value = (I32)apply(op->op_type, MARK, SP);
2680 djSP; dMARK; dTARGET;
2682 value = (I32)apply(op->op_type, MARK, SP);
2694 char *tmps = SvPV(TOPs, na);
2695 TAINT_PROPER("rename");
2697 anum = rename(tmps, tmps2);
2699 if (!(anum = PerlLIO_stat(tmps, &statbuf))) {
2700 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2703 if (euid || PerlLIO_stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2704 (void)UNLINK(tmps2);
2705 if (!(anum = link(tmps, tmps2)))
2706 anum = UNLINK(tmps);
2719 char *tmps = SvPV(TOPs, na);
2720 TAINT_PROPER("link");
2721 SETi( link(tmps, tmps2) >= 0 );
2723 DIE(no_func, "Unsupported function link");
2733 char *tmps = SvPV(TOPs, na);
2734 TAINT_PROPER("symlink");
2735 SETi( symlink(tmps, tmps2) >= 0 );
2738 DIE(no_func, "symlink");
2747 char buf[MAXPATHLEN];
2750 #ifndef INCOMPLETE_TAINTS
2754 len = readlink(tmps, buf, sizeof buf);
2762 RETSETUNDEF; /* just pretend it's a normal file */
2766 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2768 dooneliner(cmd, filename)
2772 char *save_filename = filename;
2778 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2779 strcpy(cmdline, cmd);
2780 strcat(cmdline, " ");
2781 for (s = cmdline + strlen(cmdline); *filename; ) {
2786 myfp = PerlProc_popen(cmdline, "r");
2790 SV *tmpsv = sv_newmortal();
2791 /* Need to save/restore 'rs' ?? */
2792 s = sv_gets(tmpsv, myfp, 0);
2793 (void)PerlProc_pclose(myfp);
2797 #ifdef HAS_SYS_ERRLIST
2802 /* you don't see this */
2804 #ifdef HAS_SYS_ERRLIST
2812 if (instr(s, errmsg)) {
2819 #define EACCES EPERM
2821 if (instr(s, "cannot make"))
2822 SETERRNO(EEXIST,RMS$_FEX);
2823 else if (instr(s, "existing file"))
2824 SETERRNO(EEXIST,RMS$_FEX);
2825 else if (instr(s, "ile exists"))
2826 SETERRNO(EEXIST,RMS$_FEX);
2827 else if (instr(s, "non-exist"))
2828 SETERRNO(ENOENT,RMS$_FNF);
2829 else if (instr(s, "does not exist"))
2830 SETERRNO(ENOENT,RMS$_FNF);
2831 else if (instr(s, "not empty"))
2832 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2833 else if (instr(s, "cannot access"))
2834 SETERRNO(EACCES,RMS$_PRV);
2836 SETERRNO(EPERM,RMS$_PRV);
2839 else { /* some mkdirs return no failure indication */
2840 anum = (PerlLIO_stat(save_filename, &statbuf) >= 0);
2841 if (op->op_type == OP_RMDIR)
2846 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2862 char *tmps = SvPV(TOPs, na);
2864 TAINT_PROPER("mkdir");
2866 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
2868 SETi( dooneliner("mkdir", tmps) );
2869 oldumask = PerlLIO_umask(0);
2870 PerlLIO_umask(oldumask);
2871 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
2882 TAINT_PROPER("rmdir");
2884 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
2886 XPUSHi( dooneliner("rmdir", tmps) );
2891 /* Directory calls. */
2896 #if defined(Direntry_t) && defined(HAS_READDIR)
2897 char *dirname = POPp;
2899 register IO *io = GvIOn(gv);
2905 PerlDir_close(IoDIRP(io));
2906 if (!(IoDIRP(io) = PerlDir_open(dirname)))
2912 SETERRNO(EBADF,RMS$_DIR);
2915 DIE(no_dir_func, "opendir");
2922 #if defined(Direntry_t) && defined(HAS_READDIR)
2924 Direntry_t *readdir _((DIR *));
2926 register Direntry_t *dp;
2928 register IO *io = GvIOn(gv);
2931 if (!io || !IoDIRP(io))
2934 if (GIMME == G_ARRAY) {
2936 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
2938 sv = newSVpv(dp->d_name, dp->d_namlen);
2940 sv = newSVpv(dp->d_name, 0);
2942 #ifndef INCOMPLETE_TAINTS
2945 XPUSHs(sv_2mortal(sv));
2949 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
2952 sv = newSVpv(dp->d_name, dp->d_namlen);
2954 sv = newSVpv(dp->d_name, 0);
2956 #ifndef INCOMPLETE_TAINTS
2959 XPUSHs(sv_2mortal(sv));
2965 SETERRNO(EBADF,RMS$_ISI);
2966 if (GIMME == G_ARRAY)
2971 DIE(no_dir_func, "readdir");
2978 #if defined(HAS_TELLDIR) || defined(telldir)
2979 # ifdef NEED_TELLDIR_PROTO /* XXX does _anyone_ need this? --AD 2/20/1998 */
2980 long telldir _((DIR *));
2983 register IO *io = GvIOn(gv);
2985 if (!io || !IoDIRP(io))
2988 PUSHi( PerlDir_tell(IoDIRP(io)) );
2992 SETERRNO(EBADF,RMS$_ISI);
2995 DIE(no_dir_func, "telldir");
3002 #if defined(HAS_SEEKDIR) || defined(seekdir)
3005 register IO *io = GvIOn(gv);
3007 if (!io || !IoDIRP(io))
3010 (void)PerlDir_seek(IoDIRP(io), along);
3015 SETERRNO(EBADF,RMS$_ISI);
3018 DIE(no_dir_func, "seekdir");
3025 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3027 register IO *io = GvIOn(gv);
3029 if (!io || !IoDIRP(io))
3032 (void)PerlDir_rewind(IoDIRP(io));
3036 SETERRNO(EBADF,RMS$_ISI);
3039 DIE(no_dir_func, "rewinddir");
3046 #if defined(Direntry_t) && defined(HAS_READDIR)
3048 register IO *io = GvIOn(gv);
3050 if (!io || !IoDIRP(io))
3053 #ifdef VOID_CLOSEDIR
3054 PerlDir_close(IoDIRP(io));
3056 if (PerlDir_close(IoDIRP(io)) < 0) {
3057 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3066 SETERRNO(EBADF,RMS$_IFI);
3069 DIE(no_dir_func, "closedir");
3073 /* Process control. */
3088 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3089 sv_setiv(GvSV(tmpgv), (IV)getpid());
3090 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3095 DIE(no_func, "Unsupported function fork");
3101 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3106 childpid = wait4pid(-1, &argflags, 0);
3107 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3111 DIE(no_func, "Unsupported function wait");
3117 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3125 childpid = wait4pid(childpid, &argflags, optype);
3126 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3130 DIE(no_func, "Unsupported function waitpid");
3136 djSP; dMARK; dORIGMARK; dTARGET;
3141 Sigsave_t ihand,qhand; /* place to save signals during system() */
3143 if (SP - MARK == 1) {
3145 char *junk = SvPV(TOPs, na);
3147 TAINT_PROPER("system");
3150 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3151 while ((childpid = vfork()) == -1) {
3152 if (errno != EAGAIN) {
3161 rsignal_save(SIGINT, SIG_IGN, &ihand);
3162 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3164 result = wait4pid(childpid, &status, 0);
3165 } while (result == -1 && errno == EINTR);
3166 (void)rsignal_restore(SIGINT, &ihand);
3167 (void)rsignal_restore(SIGQUIT, &qhand);
3168 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3169 do_execfree(); /* free any memory child malloced on vfork */
3171 PUSHi(STATUS_CURRENT);
3174 if (op->op_flags & OPf_STACKED) {
3175 SV *really = *++MARK;
3176 value = (I32)do_aexec(really, MARK, SP);
3178 else if (SP - MARK != 1)
3179 value = (I32)do_aexec(Nullsv, MARK, SP);
3181 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3184 #else /* ! FORK or VMS or OS/2 */
3185 if (op->op_flags & OPf_STACKED) {
3186 SV *really = *++MARK;
3187 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3189 else if (SP - MARK != 1)
3190 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3192 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3194 STATUS_NATIVE_SET(value);
3197 PUSHi(STATUS_CURRENT);
3198 #endif /* !FORK or VMS */
3204 djSP; dMARK; dORIGMARK; dTARGET;
3207 if (op->op_flags & OPf_STACKED) {
3208 SV *really = *++MARK;
3209 value = (I32)do_aexec(really, MARK, SP);
3211 else if (SP - MARK != 1)
3213 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3215 value = (I32)do_aexec(Nullsv, MARK, SP);
3219 char *junk = SvPV(*SP, na);
3221 TAINT_PROPER("exec");
3224 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3226 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3236 djSP; dMARK; dTARGET;
3239 value = (I32)apply(op->op_type, MARK, SP);
3244 DIE(no_func, "Unsupported function kill");
3252 XPUSHi( getppid() );
3255 DIE(no_func, "getppid");
3271 value = (I32)BSD_GETPGRP(pid);
3273 if (pid != 0 && pid != getpid())
3274 DIE("POSIX getpgrp can't take an argument");
3275 value = (I32)getpgrp();
3280 DIE(no_func, "getpgrp()");
3299 TAINT_PROPER("setpgrp");
3301 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3303 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3304 DIE("POSIX setpgrp can't take an argument");
3305 SETi( setpgrp() >= 0 );
3306 #endif /* USE_BSDPGRP */
3309 DIE(no_func, "setpgrp()");
3318 #ifdef HAS_GETPRIORITY
3321 SETi( getpriority(which, who) );
3324 DIE(no_func, "getpriority()");
3334 #ifdef HAS_SETPRIORITY
3338 TAINT_PROPER("setpriority");
3339 SETi( setpriority(which, who, niceval) >= 0 );
3342 DIE(no_func, "setpriority()");
3352 XPUSHn( time(Null(Time_t*)) );
3354 XPUSHi( time(Null(Time_t*)) );
3359 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3360 to HZ. Probably. For now, assume that if the system
3361 defines HZ, it does so correctly. (Will this break
3363 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3364 it's supported. --AD 9/96.
3380 DIE("times not implemented");
3385 (void)PerlProc_times(×buf);
3387 (void)PerlProc_times((tbuffer_t *)×buf); /* time.h uses different name for */
3388 /* struct tms, though same data */
3392 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3393 if (GIMME == G_ARRAY) {
3394 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3395 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3396 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3399 #endif /* HAS_TIMES */
3404 return pp_gmtime(ARGS);
3412 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3413 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3414 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3420 when = (Time_t)SvNVx(POPs);
3422 when = (Time_t)SvIVx(POPs);
3425 if (op->op_type == OP_LOCALTIME)
3426 tmbuf = localtime(&when);
3428 tmbuf = gmtime(&when);
3432 if (GIMME != G_ARRAY) {
3437 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3438 dayname[tmbuf->tm_wday],
3439 monname[tmbuf->tm_mon],
3444 tmbuf->tm_year + 1900);
3445 PUSHs(sv_2mortal(tsv));
3448 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3449 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3450 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3451 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3452 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3453 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3454 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3455 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3456 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3467 anum = alarm((unsigned int)anum);
3474 DIE(no_func, "Unsupported function alarm");
3485 (void)time(&lasttime);
3490 PerlProc_sleep((unsigned int)duration);
3493 XPUSHi(when - lasttime);
3497 /* Shared memory. */
3501 return pp_semget(ARGS);
3506 return pp_semctl(ARGS);
3511 return pp_shmwrite(ARGS);
3516 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3517 djSP; dMARK; dTARGET;
3518 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3523 return pp_semget(ARGS);
3527 /* Message passing. */
3531 return pp_semget(ARGS);
3536 return pp_semctl(ARGS);
3541 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3542 djSP; dMARK; dTARGET;
3543 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3548 return pp_semget(ARGS);
3554 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3555 djSP; dMARK; dTARGET;
3556 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3561 return pp_semget(ARGS);
3569 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3570 djSP; dMARK; dTARGET;
3571 int anum = do_ipcget(op->op_type, MARK, SP);
3578 DIE("System V IPC is not implemented on this machine");
3584 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3585 djSP; dMARK; dTARGET;
3586 int anum = do_ipcctl(op->op_type, MARK, SP);
3594 PUSHp(zero_but_true, ZBTLEN);
3598 return pp_semget(ARGS);
3604 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3605 djSP; dMARK; dTARGET;
3606 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3611 return pp_semget(ARGS);
3615 /* Get system info. */
3619 #ifdef HAS_GETHOSTBYNAME
3620 return pp_ghostent(ARGS);
3622 DIE(no_sock_func, "gethostbyname");
3628 #ifdef HAS_GETHOSTBYADDR
3629 return pp_ghostent(ARGS);
3631 DIE(no_sock_func, "gethostbyaddr");
3638 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
3639 I32 which = op->op_type;
3640 register char **elem;
3642 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
3643 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
3644 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
3645 struct hostent *PerlSock_gethostent(void);
3647 struct hostent *hent;
3651 if (which == OP_GHBYNAME)
3652 #ifdef HAS_GETHOSTBYNAME
3653 hent = PerlSock_gethostbyname(POPp);
3655 DIE(no_sock_func, "gethostbyname");
3657 else if (which == OP_GHBYADDR) {
3658 #ifdef HAS_GETHOSTBYADDR
3659 int addrtype = POPi;
3662 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
3664 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
3666 DIE(no_sock_func, "gethostbyaddr");
3670 #ifdef HAS_GETHOSTENT
3671 hent = PerlSock_gethostent();
3673 DIE(no_sock_func, "gethostent");
3676 #ifdef HOST_NOT_FOUND
3678 STATUS_NATIVE_SET(h_errno);
3681 if (GIMME != G_ARRAY) {
3682 PUSHs(sv = sv_newmortal());
3684 if (which == OP_GHBYNAME) {
3686 sv_setpvn(sv, hent->h_addr, hent->h_length);
3689 sv_setpv(sv, (char*)hent->h_name);
3695 PUSHs(sv = sv_mortalcopy(&sv_no));
3696 sv_setpv(sv, (char*)hent->h_name);
3697 PUSHs(sv = sv_mortalcopy(&sv_no));
3698 for (elem = hent->h_aliases; elem && *elem; elem++) {
3699 sv_catpv(sv, *elem);
3701 sv_catpvn(sv, " ", 1);
3703 PUSHs(sv = sv_mortalcopy(&sv_no));
3704 sv_setiv(sv, (IV)hent->h_addrtype);
3705 PUSHs(sv = sv_mortalcopy(&sv_no));
3706 len = hent->h_length;
3707 sv_setiv(sv, (IV)len);
3709 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3710 XPUSHs(sv = sv_mortalcopy(&sv_no));
3711 sv_setpvn(sv, *elem, len);
3714 PUSHs(sv = sv_mortalcopy(&sv_no));
3716 sv_setpvn(sv, hent->h_addr, len);
3721 DIE(no_sock_func, "gethostent");
3727 #ifdef HAS_GETNETBYNAME
3728 return pp_gnetent(ARGS);
3730 DIE(no_sock_func, "getnetbyname");
3736 #ifdef HAS_GETNETBYADDR
3737 return pp_gnetent(ARGS);
3739 DIE(no_sock_func, "getnetbyaddr");
3746 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
3747 I32 which = op->op_type;
3748 register char **elem;
3750 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
3751 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
3752 struct netent *PerlSock_getnetbyname(Netdb_name_t);
3753 struct netent *PerlSock_getnetent(void);
3755 struct netent *nent;
3757 if (which == OP_GNBYNAME)
3758 #ifdef HAS_GETNETBYNAME
3759 nent = PerlSock_getnetbyname(POPp);
3761 DIE(no_sock_func, "getnetbyname");
3763 else if (which == OP_GNBYADDR) {
3764 #ifdef HAS_GETNETBYADDR
3765 int addrtype = POPi;
3766 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
3767 nent = PerlSock_getnetbyaddr(addr, addrtype);
3769 DIE(no_sock_func, "getnetbyaddr");
3773 #ifdef HAS_GETNETENT
3774 nent = PerlSock_getnetent();
3776 DIE(no_sock_func, "getnetent");
3780 if (GIMME != G_ARRAY) {
3781 PUSHs(sv = sv_newmortal());
3783 if (which == OP_GNBYNAME)
3784 sv_setiv(sv, (IV)nent->n_net);
3786 sv_setpv(sv, nent->n_name);
3792 PUSHs(sv = sv_mortalcopy(&sv_no));
3793 sv_setpv(sv, nent->n_name);
3794 PUSHs(sv = sv_mortalcopy(&sv_no));
3795 for (elem = nent->n_aliases; elem && *elem; elem++) {
3796 sv_catpv(sv, *elem);
3798 sv_catpvn(sv, " ", 1);
3800 PUSHs(sv = sv_mortalcopy(&sv_no));
3801 sv_setiv(sv, (IV)nent->n_addrtype);
3802 PUSHs(sv = sv_mortalcopy(&sv_no));
3803 sv_setiv(sv, (IV)nent->n_net);
3808 DIE(no_sock_func, "getnetent");
3814 #ifdef HAS_GETPROTOBYNAME
3815 return pp_gprotoent(ARGS);
3817 DIE(no_sock_func, "getprotobyname");
3823 #ifdef HAS_GETPROTOBYNUMBER
3824 return pp_gprotoent(ARGS);
3826 DIE(no_sock_func, "getprotobynumber");
3833 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
3834 I32 which = op->op_type;
3835 register char **elem;
3837 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
3838 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
3839 struct protoent *PerlSock_getprotobynumber(int);
3840 struct protoent *PerlSock_getprotoent(void);
3842 struct protoent *pent;
3844 if (which == OP_GPBYNAME)
3845 #ifdef HAS_GETPROTOBYNAME
3846 pent = PerlSock_getprotobyname(POPp);
3848 DIE(no_sock_func, "getprotobyname");
3850 else if (which == OP_GPBYNUMBER)
3851 #ifdef HAS_GETPROTOBYNUMBER
3852 pent = PerlSock_getprotobynumber(POPi);
3854 DIE(no_sock_func, "getprotobynumber");
3857 #ifdef HAS_GETPROTOENT
3858 pent = PerlSock_getprotoent();
3860 DIE(no_sock_func, "getprotoent");
3864 if (GIMME != G_ARRAY) {
3865 PUSHs(sv = sv_newmortal());
3867 if (which == OP_GPBYNAME)
3868 sv_setiv(sv, (IV)pent->p_proto);
3870 sv_setpv(sv, pent->p_name);
3876 PUSHs(sv = sv_mortalcopy(&sv_no));
3877 sv_setpv(sv, pent->p_name);
3878 PUSHs(sv = sv_mortalcopy(&sv_no));
3879 for (elem = pent->p_aliases; elem && *elem; elem++) {
3880 sv_catpv(sv, *elem);
3882 sv_catpvn(sv, " ", 1);
3884 PUSHs(sv = sv_mortalcopy(&sv_no));
3885 sv_setiv(sv, (IV)pent->p_proto);
3890 DIE(no_sock_func, "getprotoent");
3896 #ifdef HAS_GETSERVBYNAME
3897 return pp_gservent(ARGS);
3899 DIE(no_sock_func, "getservbyname");
3905 #ifdef HAS_GETSERVBYPORT
3906 return pp_gservent(ARGS);
3908 DIE(no_sock_func, "getservbyport");
3915 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
3916 I32 which = op->op_type;
3917 register char **elem;
3919 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
3920 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
3921 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
3922 struct servent *PerlSock_getservent(void);
3924 struct servent *sent;
3926 if (which == OP_GSBYNAME) {
3927 #ifdef HAS_GETSERVBYNAME
3931 if (proto && !*proto)
3934 sent = PerlSock_getservbyname(name, proto);
3936 DIE(no_sock_func, "getservbyname");
3939 else if (which == OP_GSBYPORT) {
3940 #ifdef HAS_GETSERVBYPORT
3942 unsigned short port = POPu;
3945 port = PerlSock_htons(port);
3947 sent = PerlSock_getservbyport(port, proto);
3949 DIE(no_sock_func, "getservbyport");
3953 #ifdef HAS_GETSERVENT
3954 sent = PerlSock_getservent();
3956 DIE(no_sock_func, "getservent");
3960 if (GIMME != G_ARRAY) {
3961 PUSHs(sv = sv_newmortal());
3963 if (which == OP_GSBYNAME) {
3965 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
3967 sv_setiv(sv, (IV)(sent->s_port));
3971 sv_setpv(sv, sent->s_name);
3977 PUSHs(sv = sv_mortalcopy(&sv_no));
3978 sv_setpv(sv, sent->s_name);
3979 PUSHs(sv = sv_mortalcopy(&sv_no));
3980 for (elem = sent->s_aliases; elem && *elem; elem++) {
3981 sv_catpv(sv, *elem);
3983 sv_catpvn(sv, " ", 1);
3985 PUSHs(sv = sv_mortalcopy(&sv_no));
3987 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
3989 sv_setiv(sv, (IV)(sent->s_port));
3991 PUSHs(sv = sv_mortalcopy(&sv_no));
3992 sv_setpv(sv, sent->s_proto);
3997 DIE(no_sock_func, "getservent");
4004 #ifdef HAS_SETHOSTENT
4005 PerlSock_sethostent(TOPi);
4008 DIE(no_sock_func, "sethostent");
4015 #ifdef HAS_SETNETENT
4016 PerlSock_setnetent(TOPi);
4019 DIE(no_sock_func, "setnetent");
4026 #ifdef HAS_SETPROTOENT
4027 PerlSock_setprotoent(TOPi);
4030 DIE(no_sock_func, "setprotoent");
4037 #ifdef HAS_SETSERVENT
4038 PerlSock_setservent(TOPi);
4041 DIE(no_sock_func, "setservent");
4048 #ifdef HAS_ENDHOSTENT
4049 PerlSock_endhostent();
4053 DIE(no_sock_func, "endhostent");
4060 #ifdef HAS_ENDNETENT
4061 PerlSock_endnetent();
4065 DIE(no_sock_func, "endnetent");
4072 #ifdef HAS_ENDPROTOENT
4073 PerlSock_endprotoent();
4077 DIE(no_sock_func, "endprotoent");
4084 #ifdef HAS_ENDSERVENT
4085 PerlSock_endservent();
4089 DIE(no_sock_func, "endservent");
4096 return pp_gpwent(ARGS);
4098 DIE(no_func, "getpwnam");
4105 return pp_gpwent(ARGS);
4107 DIE(no_func, "getpwuid");
4115 I32 which = op->op_type;
4117 struct passwd *pwent;
4119 if (which == OP_GPWNAM)
4120 pwent = getpwnam(POPp);
4121 else if (which == OP_GPWUID)
4122 pwent = getpwuid(POPi);
4124 pwent = (struct passwd *)getpwent();
4127 if (GIMME != G_ARRAY) {
4128 PUSHs(sv = sv_newmortal());
4130 if (which == OP_GPWNAM)
4131 sv_setiv(sv, (IV)pwent->pw_uid);
4133 sv_setpv(sv, pwent->pw_name);
4139 PUSHs(sv = sv_mortalcopy(&sv_no));
4140 sv_setpv(sv, pwent->pw_name);
4142 PUSHs(sv = sv_mortalcopy(&sv_no));
4143 sv_setpv(sv, pwent->pw_passwd);
4145 PUSHs(sv = sv_mortalcopy(&sv_no));
4146 sv_setiv(sv, (IV)pwent->pw_uid);
4148 PUSHs(sv = sv_mortalcopy(&sv_no));
4149 sv_setiv(sv, (IV)pwent->pw_gid);
4151 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4152 PUSHs(sv = sv_mortalcopy(&sv_no));
4154 sv_setiv(sv, (IV)pwent->pw_change);
4157 sv_setiv(sv, (IV)pwent->pw_quota);
4160 sv_setpv(sv, pwent->pw_age);
4165 /* pw_class and pw_comment are mutually exclusive. */
4166 PUSHs(sv = sv_mortalcopy(&sv_no));
4168 sv_setpv(sv, pwent->pw_class);
4171 sv_setpv(sv, pwent->pw_comment);
4175 PUSHs(sv = sv_mortalcopy(&sv_no));
4177 sv_setpv(sv, pwent->pw_gecos);
4179 #ifndef INCOMPLETE_TAINTS
4180 /* pw_gecos is tainted because user himself can diddle with it. */
4184 PUSHs(sv = sv_mortalcopy(&sv_no));
4185 sv_setpv(sv, pwent->pw_dir);
4187 PUSHs(sv = sv_mortalcopy(&sv_no));
4188 sv_setpv(sv, pwent->pw_shell);
4191 PUSHs(sv = sv_mortalcopy(&sv_no));
4192 sv_setiv(sv, (IV)pwent->pw_expire);
4197 DIE(no_func, "getpwent");
4204 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4208 DIE(no_func, "setpwent");
4219 DIE(no_func, "endpwent");
4226 return pp_ggrent(ARGS);
4228 DIE(no_func, "getgrnam");
4235 return pp_ggrent(ARGS);
4237 DIE(no_func, "getgrgid");
4245 I32 which = op->op_type;
4246 register char **elem;
4248 struct group *grent;
4250 if (which == OP_GGRNAM)
4251 grent = (struct group *)getgrnam(POPp);
4252 else if (which == OP_GGRGID)
4253 grent = (struct group *)getgrgid(POPi);
4255 grent = (struct group *)getgrent();
4258 if (GIMME != G_ARRAY) {
4259 PUSHs(sv = sv_newmortal());
4261 if (which == OP_GGRNAM)
4262 sv_setiv(sv, (IV)grent->gr_gid);
4264 sv_setpv(sv, grent->gr_name);
4270 PUSHs(sv = sv_mortalcopy(&sv_no));
4271 sv_setpv(sv, grent->gr_name);
4272 PUSHs(sv = sv_mortalcopy(&sv_no));
4273 sv_setpv(sv, grent->gr_passwd);
4274 PUSHs(sv = sv_mortalcopy(&sv_no));
4275 sv_setiv(sv, (IV)grent->gr_gid);
4276 PUSHs(sv = sv_mortalcopy(&sv_no));
4277 for (elem = grent->gr_mem; elem && *elem; elem++) {
4278 sv_catpv(sv, *elem);
4280 sv_catpvn(sv, " ", 1);
4286 DIE(no_func, "getgrent");
4297 DIE(no_func, "setgrent");
4308 DIE(no_func, "endgrent");
4318 if (!(tmps = PerlProc_getlogin()))
4320 PUSHp(tmps, strlen(tmps));
4323 DIE(no_func, "getlogin");
4327 /* Miscellaneous. */
4332 djSP; dMARK; dORIGMARK; dTARGET;
4333 register I32 items = SP - MARK;
4334 unsigned long a[20];
4340 while (++MARK <= SP) {
4341 if (SvTAINTED(*MARK)) {
4347 TAINT_PROPER("syscall");
4350 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4351 * or where sizeof(long) != sizeof(char*). But such machines will
4352 * not likely have syscall implemented either, so who cares?
4354 while (++MARK <= SP) {
4355 if (SvNIOK(*MARK) || !i)
4356 a[i++] = SvIV(*MARK);
4357 else if (*MARK == &sv_undef)
4360 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4366 DIE("Too many args to syscall");
4368 DIE("Too few args to syscall");
4370 retval = syscall(a[0]);
4373 retval = syscall(a[0],a[1]);
4376 retval = syscall(a[0],a[1],a[2]);
4379 retval = syscall(a[0],a[1],a[2],a[3]);
4382 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4385 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4388 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4391 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4395 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4398 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4401 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4405 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4409 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4413 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4414 a[10],a[11],a[12],a[13]);
4416 #endif /* atarist */
4422 DIE(no_func, "syscall");
4426 #ifdef FCNTL_EMULATE_FLOCK
4428 /* XXX Emulate flock() with fcntl().
4429 What's really needed is a good file locking module.
4433 fcntl_emulate_flock(int fd, int operation)
4437 switch (operation & ~LOCK_NB) {
4439 flock.l_type = F_RDLCK;
4442 flock.l_type = F_WRLCK;
4445 flock.l_type = F_UNLCK;
4451 flock.l_whence = SEEK_SET;
4452 flock.l_start = flock.l_len = 0L;
4454 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4457 #endif /* FCNTL_EMULATE_FLOCK */
4459 #ifdef LOCKF_EMULATE_FLOCK
4461 /* XXX Emulate flock() with lockf(). This is just to increase
4462 portability of scripts. The calls are not completely
4463 interchangeable. What's really needed is a good file
4467 /* The lockf() constants might have been defined in <unistd.h>.
4468 Unfortunately, <unistd.h> causes troubles on some mixed
4469 (BSD/POSIX) systems, such as SunOS 4.1.3.
4471 Further, the lockf() constants aren't POSIX, so they might not be
4472 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4473 just stick in the SVID values and be done with it. Sigh.
4477 # define F_ULOCK 0 /* Unlock a previously locked region */
4480 # define F_LOCK 1 /* Lock a region for exclusive use */
4483 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4486 # define F_TEST 3 /* Test a region for other processes locks */
4490 lockf_emulate_flock (fd, operation)
4498 /* flock locks entire file so for lockf we need to do the same */
4500 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4501 if (pos > 0) /* is seekable and needs to be repositioned */
4502 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4503 pos = -1; /* seek failed, so don't seek back afterwards */
4506 switch (operation) {
4508 /* LOCK_SH - get a shared lock */
4510 /* LOCK_EX - get an exclusive lock */
4512 i = lockf (fd, F_LOCK, 0);
4515 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4516 case LOCK_SH|LOCK_NB:
4517 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4518 case LOCK_EX|LOCK_NB:
4519 i = lockf (fd, F_TLOCK, 0);
4521 if ((errno == EAGAIN) || (errno == EACCES))
4522 errno = EWOULDBLOCK;
4525 /* LOCK_UN - unlock (non-blocking is a no-op) */
4527 case LOCK_UN|LOCK_NB:
4528 i = lockf (fd, F_ULOCK, 0);
4531 /* Default - can't decipher operation */
4538 if (pos > 0) /* need to restore position of the handle */
4539 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4544 #endif /* LOCKF_EMULATE_FLOCK */