3 * Copyright (c) 1991-1999, 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, see "extern int errno in perl.h". Creating such
60 a test requires taking into account the differences between
61 compiling multithreaded and singlethreaded ($ccflags et al).
62 HOST_NOT_FOUND is typically defined in <netdb.h>.
64 #if defined(HOST_NOT_FOUND) && !defined(h_errno)
72 struct passwd *getpwnam _((char *));
73 struct passwd *getpwuid _((Uid_t));
76 struct passwd *getpwent _((void));
84 struct group *getgrnam _((char *));
85 struct group *getgrgid _((Gid_t));
88 struct group *getgrent _((void));
93 # if defined(_MSC_VER) || defined(__MINGW32__)
94 # include <sys/utime.h>
103 #include <sys/file.h>
106 /* Put this after #includes because fork and vfork prototypes may conflict. */
111 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
113 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
114 # define Sock_size_t Size_t
116 # define Sock_size_t int
120 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
121 static int dooneliner _((char *cmd, char *filename));
125 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
128 # define my_chsize PerlLIO_chsize
133 #else /* no flock() */
135 /* fcntl.h might not have been included, even if it exists, because
136 the current Configure only sets I_FCNTL if it's needed to pick up
137 the *_OK constants. Make sure it has been included before testing
138 the fcntl() locking constants. */
139 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
143 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
144 # define FLOCK fcntl_emulate_flock
145 # define FCNTL_EMULATE_FLOCK
146 # else /* no flock() or fcntl(F_SETLK,...) */
148 # define FLOCK lockf_emulate_flock
149 # define LOCKF_EMULATE_FLOCK
151 # endif /* no flock() or fcntl(F_SETLK,...) */
154 static int FLOCK _((int, int));
157 * These are the flock() constants. Since this sytems doesn't have
158 * flock(), the values of the constants are probably not available.
172 # endif /* emulating flock() */
174 #endif /* no flock() */
178 # define MAXPATHLEN PATH_MAX
180 # define MAXPATHLEN 1024
185 static char zero_but_true[ZBTLEN + 1] = "0 but true";
198 fp = PerlProc_popen(tmps, "r");
200 if (gimme == G_VOID) {
202 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
206 else if (gimme == G_SCALAR) {
207 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
208 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
219 if (sv_gets(sv, fp, 0) == Nullch) {
223 XPUSHs(sv_2mortal(sv));
224 if (SvLEN(sv) - SvCUR(sv) > 20) {
225 SvLEN_set(sv, SvCUR(sv)+1);
226 Renew(SvPVX(sv), SvLEN(sv), char);
231 STATUS_NATIVE_SET(PerlProc_pclose(fp));
232 TAINT; /* "I believe that this is not gratuitous!" */
235 STATUS_NATIVE_SET(-1);
236 if (gimme == G_SCALAR)
251 * The external globbing program may use things we can't control,
252 * so for security reasons we must assume the worst.
255 taint_proper(no_security, "glob");
259 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
260 PL_last_in_gv = (GV*)*PL_stack_sp--;
262 SAVESPTR(PL_rs); /* This is not permanent, either. */
263 PL_rs = sv_2mortal(newSVpv("", 1));
266 *SvPVX(PL_rs) = '\n';
270 result = do_readline();
275 #if 0 /* XXX never used! */
279 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
280 return do_readline();
286 PL_last_in_gv = cGVOP->op_gv;
287 return do_readline();
295 if (SP - MARK != 1) {
297 do_join(TARG, &PL_sv_no, MARK, SP);
298 tmps = SvPV(TARG, n_a);
302 tmps = SvPV(TOPs, n_a);
304 if (!tmps || !*tmps) {
306 (void)SvUPGRADE(error, SVt_PV);
307 if (SvPOK(error) && SvCUR(error))
308 sv_catpv(error, "\t...caught");
309 tmps = SvPV(error, n_a);
312 tmps = "Warning: something's wrong";
324 if (SP - MARK != 1) {
326 do_join(TARG, &PL_sv_no, MARK, SP);
327 tmps = SvPV(TARG, n_a);
332 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, n_a);
334 if (!tmps || !*tmps) {
336 (void)SvUPGRADE(error, SVt_PV);
337 if(tmpsv ? SvROK(tmpsv) : SvROK(error)) {
339 SvSetSV(error,tmpsv);
340 else if(sv_isobject(error)) {
341 HV *stash = SvSTASH(SvRV(error));
342 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
344 SV *file = sv_2mortal(newSVsv(GvSV(PL_curcop->cop_filegv)));
345 SV *line = sv_2mortal(newSViv(PL_curcop->cop_line));
352 perl_call_sv((SV*)GvCV(gv),
353 G_SCALAR|G_EVAL|G_KEEPERR);
354 sv_setsv(error,*PL_stack_sp--);
360 if (SvPOK(error) && SvCUR(error))
361 sv_catpv(error, "\t...propagated");
362 tmps = SvPV(error, n_a);
383 DIE(no_usym, "filehandle");
388 DIE(no_usym, "filehandle");
390 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
391 tmps = SvPV(sv, len);
392 if (do_open(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp))
393 PUSHi( (I32)PL_forkprocess );
394 else if (PL_forkprocess == 0) /* we are a new child */
412 if (mg = SvTIED_mg((SV*)gv, 'q')) {
414 XPUSHs(SvTIED_obj((SV*)gv, mg));
417 perl_call_method("CLOSE", G_SCALAR);
423 PUSHs(boolSV(do_close(gv, TRUE)));
443 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
444 DIE(no_usym, "filehandle");
449 do_close(rgv, FALSE);
451 do_close(wgv, FALSE);
453 if (PerlProc_pipe(fd) < 0)
456 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
457 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
458 IoIFP(wstio) = IoOFP(wstio);
462 if (!IoIFP(rstio) || !IoOFP(wstio)) {
463 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
464 else PerlLIO_close(fd[0]);
465 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
466 else PerlLIO_close(fd[1]);
469 #if defined(HAS_FCNTL) && defined(F_SETFD)
470 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
471 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
478 DIE(no_func, "pipe");
491 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
493 PUSHi(PerlIO_fileno(fp));
504 anum = PerlLIO_umask(0);
505 (void)PerlLIO_umask(anum);
508 anum = PerlLIO_umask(POPi);
509 TAINT_PROPER("umask");
512 /* Only DIE if trying to restrict permissions on `user' (self).
513 * Otherwise it's harmless and more useful to just return undef
514 * since 'group' and 'other' concepts probably don't exist here. */
515 if (MAXARG >= 1 && (POPi & 0700))
516 DIE("umask not implemented");
517 XPUSHs(&PL_sv_undef);
535 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
538 if (do_binmode(fp,IoTYPE(io),TRUE))
553 I32 markoff = MARK - PL_stack_base;
559 switch(SvTYPE(varsv)) {
561 methname = "TIEHASH";
564 methname = "TIEARRAY";
567 methname = "TIEHANDLE";
571 methname = "TIESCALAR";
576 if (sv_isobject(*MARK)) {
578 PUSHSTACKi(PERLSI_MAGIC);
584 perl_call_method(methname, G_SCALAR);
587 /* Not clear why we don't call perl_call_method here too.
588 * perhaps to get different error message ?
590 stash = gv_stashsv(*MARK, FALSE);
591 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
593 DIE("Can't locate object method \"%s\" via package \"%s\"",
594 methname, SvPV(*MARK,n_a));
597 PUSHSTACKi(PERLSI_MAGIC);
603 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
609 if (sv_isobject(sv)) {
610 sv_unmagic(varsv, how);
611 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
614 SP = PL_stack_base + markoff;
623 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
627 if (mg = SvTIED_mg(sv, how)) {
628 if (mg->mg_obj && SvREFCNT(SvRV(mg->mg_obj)) > 1)
629 warn("untie attempted while %lu inner references still exist",
630 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
642 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
645 if (mg = SvTIED_mg(sv, how)) {
646 SV *osv = SvTIED_obj(sv, mg);
647 if (osv == mg->mg_obj)
648 osv = sv_mortalcopy(osv);
666 sv = sv_mortalcopy(&PL_sv_no);
667 sv_setpv(sv, "AnyDBM_File");
668 stash = gv_stashsv(sv, FALSE);
669 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
671 perl_require_pv("AnyDBM_File.pm");
673 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
674 DIE("No dbm on this machine");
684 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
686 PUSHs(sv_2mortal(newSViv(O_RDWR)));
689 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
692 if (!sv_isobject(TOPs)) {
697 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
700 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
704 if (sv_isobject(TOPs)) {
705 sv_unmagic((SV *) hv, 'P');
706 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
714 return pp_untie(ARGS);
728 struct timeval timebuf;
729 struct timeval *tbuf = &timebuf;
733 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
738 # if BYTEORDER & 0xf0000
739 # define ORDERBYTE (0x88888888 - BYTEORDER)
741 # define ORDERBYTE (0x4444 - BYTEORDER)
747 for (i = 1; i <= 3; i++) {
755 /* little endians can use vecs directly */
756 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
757 # if SELECT_MIN_BITS > 1
758 /* If SELECT_MIN_BITS is greater than one we most probably will want
759 * to align the sizes with SELECT_MIN_BITS/8 because for example
760 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
761 * UNIX, Solaris, NeXT) the smallest quantum select() operates on
762 * (sets bit) is 32 bits. */
763 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
765 growsize = sizeof(fd_set);
774 masksize = NFDBITS / NBBY;
776 masksize = sizeof(long); /* documented int, everyone seems to use long */
778 growsize = maxlen + (masksize - (maxlen % masksize));
779 Zero(&fd_sets[0], 4, char*);
787 timebuf.tv_sec = (long)value;
788 value -= (double)timebuf.tv_sec;
789 timebuf.tv_usec = (long)(value * 1000000.0);
792 tbuf = Null(struct timeval*);
794 for (i = 1; i <= 3; i++) {
801 SvPV_force(sv,n_a); /* force string conversion */
804 Sv_Grow(sv, growsize);
808 while (++j <= growsize) {
812 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
814 New(403, fd_sets[i], growsize, char);
815 for (offset = 0; offset < growsize; offset += masksize) {
816 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
817 fd_sets[i][j+offset] = s[(k % masksize) + offset];
820 fd_sets[i] = SvPVX(sv);
824 nfound = PerlSock_select(
826 (Select_fd_set_t) fd_sets[1],
827 (Select_fd_set_t) fd_sets[2],
828 (Select_fd_set_t) fd_sets[3],
830 for (i = 1; i <= 3; i++) {
833 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
835 for (offset = 0; offset < growsize; offset += masksize) {
836 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
837 s[(k % masksize) + offset] = fd_sets[i][j+offset];
839 Safefree(fd_sets[i]);
846 if (GIMME == G_ARRAY && tbuf) {
847 value = (double)(timebuf.tv_sec) +
848 (double)(timebuf.tv_usec) / 1000000.0;
849 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
854 DIE("select not implemented");
863 (void)SvREFCNT_inc(gv);
865 SvREFCNT_dec(PL_defoutgv);
875 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
877 egv = GvEGV(PL_defoutgv);
882 XPUSHs(&PL_sv_undef);
884 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
885 if (gvp && *gvp == egv) {
886 gv_efullname3(TARG, PL_defoutgv, Nullch);
890 XPUSHs(sv_2mortal(newRV((SV*)egv)));
895 if (!GvIO(newdefout))
897 setdefout(newdefout);
916 if (mg = SvTIED_mg((SV*)gv, 'q')) {
919 XPUSHs(SvTIED_obj((SV*)gv, mg));
922 perl_call_method("GETC", gimme);
925 if (gimme == G_SCALAR)
926 SvSetMagicSV_nosteal(TARG, TOPs);
929 if (!gv || do_eof(gv)) /* make sure we have fp with something */
933 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
940 return pp_sysread(ARGS);
944 doform(CV *cv, GV *gv, OP *retop)
947 register PERL_CONTEXT *cx;
949 AV* padlist = CvPADLIST(cv);
950 SV** svp = AvARRAY(padlist);
956 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
959 PL_curpad = AvARRAY((AV*)svp[1]);
961 setdefout(gv); /* locally select filehandle so $% et al work */
993 SV *tmpsv = sv_newmortal();
994 gv_efullname3(tmpsv, fgv, Nullch);
995 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
997 DIE("Not a format reference");
1000 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1002 IoFLAGS(io) &= ~IOf_DIDTOP;
1003 return doform(cv,gv,PL_op->op_next);
1009 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1010 register IO *io = GvIOp(gv);
1011 PerlIO *ofp = IoOFP(io);
1015 register PERL_CONTEXT *cx;
1017 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1018 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1019 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1020 PL_formtarget != PL_toptarget)
1024 if (!IoTOP_GV(io)) {
1028 if (!IoTOP_NAME(io)) {
1029 if (!IoFMT_NAME(io))
1030 IoFMT_NAME(io) = savepv(GvNAME(gv));
1031 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1032 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1033 if ((topgv && GvFORM(topgv)) ||
1034 !gv_fetchpv("top",FALSE,SVt_PVFM))
1035 IoTOP_NAME(io) = savepv(SvPVX(topname));
1037 IoTOP_NAME(io) = savepv("top");
1039 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1040 if (!topgv || !GvFORM(topgv)) {
1041 IoLINES_LEFT(io) = 100000000;
1044 IoTOP_GV(io) = topgv;
1046 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1047 I32 lines = IoLINES_LEFT(io);
1048 char *s = SvPVX(PL_formtarget);
1049 if (lines <= 0) /* Yow, header didn't even fit!!! */
1051 while (lines-- > 0) {
1052 s = strchr(s, '\n');
1058 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1059 sv_chop(PL_formtarget, s);
1060 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1063 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1064 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1065 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1067 PL_formtarget = PL_toptarget;
1068 IoFLAGS(io) |= IOf_DIDTOP;
1071 DIE("bad top format reference");
1074 SV *tmpsv = sv_newmortal();
1075 gv_efullname3(tmpsv, fgv, Nullch);
1076 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1079 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1080 return doform(cv,gv,PL_op);
1084 POPBLOCK(cx,PL_curpm);
1092 warn("Filehandle only opened for input");
1094 warn("Write on closed filehandle");
1099 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1101 warn("page overflow");
1103 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1107 FmLINES(PL_formtarget) = 0;
1108 SvCUR_set(PL_formtarget, 0);
1109 *SvEND(PL_formtarget) = '\0';
1110 if (IoFLAGS(io) & IOf_FLUSH)
1111 (void)PerlIO_flush(fp);
1115 PL_formtarget = PL_bodytarget;
1117 return pop_return();
1122 djSP; dMARK; dORIGMARK;
1130 if (PL_op->op_flags & OPf_STACKED)
1135 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1136 if (MARK == ORIGMARK) {
1139 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1143 *MARK = SvTIED_obj((SV*)gv, mg);
1146 perl_call_method("PRINTF", G_SCALAR);
1149 MARK = ORIGMARK + 1;
1156 if (!(io = GvIO(gv))) {
1158 gv_fullname3(sv, gv, Nullch);
1159 warn("Filehandle %s never opened", SvPV(sv,n_a));
1161 SETERRNO(EBADF,RMS$_IFI);
1164 else if (!(fp = IoOFP(io))) {
1166 gv_fullname3(sv, gv, Nullch);
1168 warn("Filehandle %s opened only for input", SvPV(sv,n_a));
1170 warn("printf on closed filehandle %s", SvPV(sv,n_a));
1172 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1176 #ifdef USE_LOCALE_NUMERIC
1177 if (PL_op->op_private & OPpLOCALE)
1178 SET_NUMERIC_LOCAL();
1180 SET_NUMERIC_STANDARD();
1182 do_sprintf(sv, SP - MARK, MARK + 1);
1183 if (!do_print(sv, fp))
1186 if (IoFLAGS(io) & IOf_FLUSH)
1187 if (PerlIO_flush(fp) == EOF)
1198 PUSHs(&PL_sv_undef);
1219 tmps = SvPV(sv, len);
1220 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1221 IoLINES(GvIOp(gv)) = 0;
1225 PUSHs(&PL_sv_undef);
1232 djSP; dMARK; dORIGMARK; dTARGET;
1238 Sock_size_t bufsize;
1244 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1245 (mg = SvTIED_mg((SV*)gv, 'q')))
1250 *MARK = SvTIED_obj((SV*)gv, mg);
1252 perl_call_method("READ", G_SCALAR);
1265 sv_setpvn(bufsv, "", 0);
1266 buffer = SvPV_force(bufsv, blen);
1267 length = SvIVx(*++MARK);
1269 DIE("Negative length");
1272 offset = SvIVx(*++MARK);
1276 if (!io || !IoIFP(io))
1279 if (PL_op->op_type == OP_RECV) {
1280 char namebuf[MAXPATHLEN];
1281 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1282 bufsize = sizeof (struct sockaddr_in);
1284 bufsize = sizeof namebuf;
1286 buffer = SvGROW(bufsv, length+1);
1287 /* 'offset' means 'flags' here */
1288 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1289 (struct sockaddr *)namebuf, &bufsize);
1292 SvCUR_set(bufsv, length);
1293 *SvEND(bufsv) = '\0';
1294 (void)SvPOK_only(bufsv);
1296 /* This should not be marked tainted if the fp is marked clean */
1297 if (!(IoFLAGS(io) & IOf_UNTAINT))
1298 SvTAINTED_on(bufsv);
1300 sv_setpvn(TARG, namebuf, bufsize);
1305 if (PL_op->op_type == OP_RECV)
1306 DIE(no_sock_func, "recv");
1310 DIE("Offset outside string");
1313 bufsize = SvCUR(bufsv);
1314 buffer = SvGROW(bufsv, length+offset+1);
1315 if (offset > bufsize) { /* Zero any newly allocated space */
1316 Zero(buffer+bufsize, offset-bufsize, char);
1318 if (PL_op->op_type == OP_SYSREAD) {
1319 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1320 if (IoTYPE(io) == 's') {
1321 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1322 buffer+offset, length, 0);
1327 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1328 buffer+offset, length);
1332 #ifdef HAS_SOCKET__bad_code_maybe
1333 if (IoTYPE(io) == 's') {
1334 char namebuf[MAXPATHLEN];
1335 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1336 bufsize = sizeof (struct sockaddr_in);
1338 bufsize = sizeof namebuf;
1340 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1341 (struct sockaddr *)namebuf, &bufsize);
1346 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1347 /* fread() returns 0 on both error and EOF */
1348 if (length == 0 && PerlIO_error(IoIFP(io)))
1353 SvCUR_set(bufsv, length+offset);
1354 *SvEND(bufsv) = '\0';
1355 (void)SvPOK_only(bufsv);
1357 /* This should not be marked tainted if the fp is marked clean */
1358 if (!(IoFLAGS(io) & IOf_UNTAINT))
1359 SvTAINTED_on(bufsv);
1372 int items = (SP - PL_stack_base) - TOPMARK;
1376 sv = sv_2mortal(newSViv(sv_len(*SP)));
1380 return pp_send(ARGS);
1385 djSP; dMARK; dORIGMARK; dTARGET;
1396 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1400 *MARK = SvTIED_obj((SV*)gv, mg);
1402 perl_call_method("WRITE", G_SCALAR);
1413 buffer = SvPV(bufsv, blen);
1414 length = SvIVx(*++MARK);
1416 DIE("Negative length");
1419 if (!io || !IoIFP(io)) {
1422 if (PL_op->op_type == OP_SYSWRITE)
1423 warn("Syswrite on closed filehandle");
1425 warn("Send on closed socket");
1428 else if (PL_op->op_type == OP_SYSWRITE) {
1430 offset = SvIVx(*++MARK);
1433 DIE("Offset outside string");
1435 } else if (offset >= blen && blen > 0)
1436 DIE("Offset outside string");
1439 if (length > blen - offset)
1440 length = blen - offset;
1441 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1442 if (IoTYPE(io) == 's') {
1443 length = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1444 buffer+offset, length, 0);
1449 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1450 buffer+offset, length);
1454 else if (SP > MARK) {
1457 sockbuf = SvPVx(*++MARK, mlen);
1458 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1459 (struct sockaddr *)sockbuf, mlen);
1462 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1466 DIE(no_sock_func, "send");
1481 return pp_sysread(ARGS);
1492 gv = PL_last_in_gv = (GV*)POPs;
1493 PUSHs(boolSV(!gv || do_eof(gv)));
1505 gv = PL_last_in_gv = (GV*)POPs;
1506 PUSHi( do_tell(gv) );
1512 return pp_sysseek(ARGS);
1522 gv = PL_last_in_gv = (GV*)POPs;
1523 if (PL_op->op_type == OP_SEEK)
1524 PUSHs(boolSV(do_seek(gv, offset, whence)));
1526 long n = do_sysseek(gv, offset, whence);
1527 PUSHs((n < 0) ? &PL_sv_undef
1528 : sv_2mortal(n ? newSViv((IV)n)
1529 : newSVpv(zero_but_true, ZBTLEN)));
1537 Off_t len = (Off_t)POPn;
1543 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1544 if (PL_op->op_flags & OPf_SPECIAL) {
1545 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1547 TAINT_PROPER("truncate");
1548 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1550 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1552 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1560 if (SvTYPE(sv) == SVt_PVGV) {
1561 tmpgv = (GV*)sv; /* *main::FRED for example */
1564 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1565 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1569 name = SvPV(sv, n_a);
1570 TAINT_PROPER("truncate");
1572 if (truncate(name, len) < 0)
1577 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1580 if (my_chsize(tmpfd, len) < 0)
1582 PerlLIO_close(tmpfd);
1591 SETERRNO(EBADF,RMS$_IFI);
1594 DIE("truncate not implemented");
1600 return pp_ioctl(ARGS);
1607 unsigned int func = U_I(POPn);
1608 int optype = PL_op->op_type;
1614 if (!io || !argsv || !IoIFP(io)) {
1615 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1619 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1622 s = SvPV_force(argsv, len);
1623 need = IOCPARM_LEN(func);
1625 s = Sv_Grow(argsv, need + 1);
1626 SvCUR_set(argsv, need);
1629 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1632 retval = SvIV(argsv);
1633 s = (char*)retval; /* ouch */
1636 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1638 if (optype == OP_IOCTL)
1640 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1642 DIE("ioctl is not implemented");
1646 #if defined(OS2) && defined(__EMX__)
1647 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1649 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1652 DIE("fcntl is not implemented");
1656 if (s[SvCUR(argsv)] != 17)
1657 DIE("Possible memory corruption: %s overflowed 3rd argument",
1659 s[SvCUR(argsv)] = 0; /* put our null back */
1660 SvSETMAGIC(argsv); /* Assume it has changed */
1669 PUSHp(zero_but_true, ZBTLEN);
1689 fp = IoIFP(GvIOp(gv));
1693 (void)PerlIO_flush(fp);
1694 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1701 DIE(no_func, "flock()");
1713 int protocol = POPi;
1721 SETERRNO(EBADF,LIB$_INVARG);
1727 do_close(gv, FALSE);
1729 TAINT_PROPER("socket");
1730 fd = PerlSock_socket(domain, type, protocol);
1733 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1734 IoOFP(io) = PerlIO_fdopen(fd, "w");
1736 if (!IoIFP(io) || !IoOFP(io)) {
1737 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1738 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1739 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1745 DIE(no_sock_func, "socket");
1752 #ifdef HAS_SOCKETPAIR
1757 int protocol = POPi;
1770 do_close(gv1, FALSE);
1772 do_close(gv2, FALSE);
1774 TAINT_PROPER("socketpair");
1775 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1777 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1778 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1780 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1781 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1783 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1784 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1785 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1786 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1787 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1788 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1789 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1795 DIE(no_sock_func, "socketpair");
1803 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
1804 extern GETPRIVMODE();
1805 extern GETUSERMODE();
1810 register IO *io = GvIOn(gv);
1814 int mpeprivmode = 0;
1817 if (!io || !IoIFP(io))
1820 addr = SvPV(addrsv, len);
1821 TAINT_PROPER("bind");
1822 #ifdef MPE /* Deal with MPE bind() peculiarities */
1823 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
1824 /* The address *MUST* stupidly be zero. */
1825 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
1826 /* PRIV mode is required to bind() to ports < 1024. */
1827 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
1828 ((struct sockaddr_in *)addr)->sin_port > 0) {
1829 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
1834 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
1835 (struct sockaddr *)addr, len) >= 0)
1838 #ifdef MPE /* Switch back to USER mode */
1850 warn("bind() on closed fd");
1851 SETERRNO(EBADF,SS$_IVCHAN);
1854 DIE(no_sock_func, "bind");
1865 register IO *io = GvIOn(gv);
1868 if (!io || !IoIFP(io))
1871 addr = SvPV(addrsv, len);
1872 TAINT_PROPER("connect");
1873 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1880 warn("connect() on closed fd");
1881 SETERRNO(EBADF,SS$_IVCHAN);
1884 DIE(no_sock_func, "connect");
1894 register IO *io = GvIOn(gv);
1896 if (!io || !IoIFP(io))
1899 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1906 warn("listen() on closed fd");
1907 SETERRNO(EBADF,SS$_IVCHAN);
1910 DIE(no_sock_func, "listen");
1922 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1923 Sock_size_t len = sizeof saddr;
1935 if (!gstio || !IoIFP(gstio))
1940 do_close(ngv, FALSE);
1942 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1945 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1946 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1947 IoTYPE(nstio) = 's';
1948 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1949 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1950 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1951 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
1955 PUSHp((char *)&saddr, len);
1960 warn("accept() on closed fd");
1961 SETERRNO(EBADF,SS$_IVCHAN);
1967 DIE(no_sock_func, "accept");
1977 register IO *io = GvIOn(gv);
1979 if (!io || !IoIFP(io))
1982 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1987 warn("shutdown() on closed fd");
1988 SETERRNO(EBADF,SS$_IVCHAN);
1991 DIE(no_sock_func, "shutdown");
1998 return pp_ssockopt(ARGS);
2000 DIE(no_sock_func, "getsockopt");
2008 int optype = PL_op->op_type;
2011 unsigned int optname;
2017 if (optype == OP_GSOCKOPT)
2018 sv = sv_2mortal(NEWSV(22, 257));
2021 optname = (unsigned int) POPi;
2022 lvl = (unsigned int) POPi;
2026 if (!io || !IoIFP(io))
2029 fd = PerlIO_fileno(IoIFP(io));
2033 (void)SvPOK_only(sv);
2037 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2052 aint = (int)SvIV(sv);
2056 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2066 warn("[gs]etsockopt() on closed fd");
2067 SETERRNO(EBADF,SS$_IVCHAN);
2072 DIE(no_sock_func, "setsockopt");
2079 return pp_getpeername(ARGS);
2081 DIE(no_sock_func, "getsockname");
2089 int optype = PL_op->op_type;
2093 register IO *io = GvIOn(gv);
2096 if (!io || !IoIFP(io))
2099 sv = sv_2mortal(NEWSV(22, 257));
2100 (void)SvPOK_only(sv);
2104 fd = PerlIO_fileno(IoIFP(io));
2106 case OP_GETSOCKNAME:
2107 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2110 case OP_GETPEERNAME:
2111 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2113 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2115 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2116 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2117 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2118 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2119 sizeof(u_short) + sizeof(struct in_addr))) {
2126 #ifdef BOGUS_GETNAME_RETURN
2127 /* Interactive Unix, getpeername() and getsockname()
2128 does not return valid namelen */
2129 if (len == BOGUS_GETNAME_RETURN)
2130 len = sizeof(struct sockaddr);
2139 warn("get{sock, peer}name() on closed fd");
2140 SETERRNO(EBADF,SS$_IVCHAN);
2145 DIE(no_sock_func, "getpeername");
2153 return pp_stat(ARGS);
2164 if (PL_op->op_flags & OPf_REF) {
2165 tmpgv = cGVOP->op_gv;
2167 if (tmpgv != PL_defgv) {
2168 PL_laststype = OP_STAT;
2170 sv_setpv(PL_statname, "");
2171 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2172 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2174 if (PL_laststatval < 0)
2179 if (SvTYPE(sv) == SVt_PVGV) {
2183 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2184 tmpgv = (GV*)SvRV(sv);
2187 sv_setpv(PL_statname, SvPV(sv,n_a));
2190 PL_laststype = PL_op->op_type;
2191 if (PL_op->op_type == OP_LSTAT)
2192 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2195 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2196 if (PL_laststatval < 0) {
2197 if (PL_dowarn && strchr(SvPV(PL_statname, n_a), '\n'))
2198 warn(warn_nl, "stat");
2204 if (gimme != G_ARRAY) {
2205 if (gimme != G_VOID)
2206 XPUSHs(boolSV(max));
2212 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2213 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2214 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2215 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2216 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2217 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2218 #ifdef USE_STAT_RDEV
2219 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2221 PUSHs(sv_2mortal(newSVpv("", 0)));
2223 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2225 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2226 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2227 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2229 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2230 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2231 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2233 #ifdef USE_STAT_BLOCKS
2234 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2235 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2237 PUSHs(sv_2mortal(newSVpv("", 0)));
2238 PUSHs(sv_2mortal(newSVpv("", 0)));
2246 I32 result = my_stat(ARGS);
2250 if (cando(S_IRUSR, 0, &PL_statcache))
2257 I32 result = my_stat(ARGS);
2261 if (cando(S_IWUSR, 0, &PL_statcache))
2268 I32 result = my_stat(ARGS);
2272 if (cando(S_IXUSR, 0, &PL_statcache))
2279 I32 result = my_stat(ARGS);
2283 if (cando(S_IRUSR, 1, &PL_statcache))
2290 I32 result = my_stat(ARGS);
2294 if (cando(S_IWUSR, 1, &PL_statcache))
2301 I32 result = my_stat(ARGS);
2305 if (cando(S_IXUSR, 1, &PL_statcache))
2312 I32 result = my_stat(ARGS);
2321 return pp_ftrowned(ARGS);
2326 I32 result = my_stat(ARGS);
2330 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2337 I32 result = my_stat(ARGS);
2341 if (!PL_statcache.st_size)
2348 I32 result = my_stat(ARGS);
2352 PUSHi(PL_statcache.st_size);
2358 I32 result = my_stat(ARGS);
2362 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2368 I32 result = my_stat(ARGS);
2372 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2378 I32 result = my_stat(ARGS);
2382 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2388 I32 result = my_stat(ARGS);
2392 if (S_ISSOCK(PL_statcache.st_mode))
2399 I32 result = my_stat(ARGS);
2403 if (S_ISCHR(PL_statcache.st_mode))
2410 I32 result = my_stat(ARGS);
2414 if (S_ISBLK(PL_statcache.st_mode))
2421 I32 result = my_stat(ARGS);
2425 if (S_ISREG(PL_statcache.st_mode))
2432 I32 result = my_stat(ARGS);
2436 if (S_ISDIR(PL_statcache.st_mode))
2443 I32 result = my_stat(ARGS);
2447 if (S_ISFIFO(PL_statcache.st_mode))
2454 I32 result = my_lstat(ARGS);
2458 if (S_ISLNK(PL_statcache.st_mode))
2467 I32 result = my_stat(ARGS);
2471 if (PL_statcache.st_mode & S_ISUID)
2481 I32 result = my_stat(ARGS);
2485 if (PL_statcache.st_mode & S_ISGID)
2495 I32 result = my_stat(ARGS);
2499 if (PL_statcache.st_mode & S_ISVTX)
2510 char *tmps = Nullch;
2513 if (PL_op->op_flags & OPf_REF)
2515 else if (isGV(TOPs))
2517 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2518 gv = (GV*)SvRV(POPs);
2520 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2522 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2523 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2524 else if (tmps && isDIGIT(*tmps))
2528 if (PerlLIO_isatty(fd))
2533 #if defined(atarist) /* this will work with atariST. Configure will
2534 make guesses for other systems. */
2535 # define FILE_base(f) ((f)->_base)
2536 # define FILE_ptr(f) ((f)->_ptr)
2537 # define FILE_cnt(f) ((f)->_cnt)
2538 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2548 register STDCHAR *s;
2554 if (PL_op->op_flags & OPf_REF)
2556 else if (isGV(TOPs))
2558 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2559 gv = (GV*)SvRV(POPs);
2565 if (gv == PL_defgv) {
2567 io = GvIO(PL_statgv);
2570 goto really_filename;
2575 PL_laststatval = -1;
2576 sv_setpv(PL_statname, "");
2577 io = GvIO(PL_statgv);
2579 if (io && IoIFP(io)) {
2580 if (! PerlIO_has_base(IoIFP(io)))
2581 DIE("-T and -B not implemented on filehandles");
2582 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2583 if (PL_laststatval < 0)
2585 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2586 if (PL_op->op_type == OP_FTTEXT)
2590 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2591 i = PerlIO_getc(IoIFP(io));
2593 (void)PerlIO_ungetc(IoIFP(io),i);
2595 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2597 len = PerlIO_get_bufsiz(IoIFP(io));
2598 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2599 /* sfio can have large buffers - limit to 512 */
2605 warn("Test on unopened file <%s>",
2606 GvENAME(cGVOP->op_gv));
2607 SETERRNO(EBADF,RMS$_IFI);
2615 PL_laststatval = -1;
2616 sv_setpv(PL_statname, SvPV(sv, n_a));
2618 i = PerlLIO_open3(SvPV(sv, n_a), O_RDONLY, 0);
2620 i = PerlLIO_open(SvPV(sv, n_a), 0);
2623 if (PL_dowarn && strchr(SvPV(sv, n_a), '\n'))
2624 warn(warn_nl, "open");
2627 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2628 if (PL_laststatval < 0)
2630 len = PerlLIO_read(i, tbuf, 512);
2631 (void)PerlLIO_close(i);
2633 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2634 RETPUSHNO; /* special case NFS directories */
2635 RETPUSHYES; /* null file is anything */
2640 /* now scan s to look for textiness */
2641 /* XXX ASCII dependent code */
2643 for (i = 0; i < len; i++, s++) {
2644 if (!*s) { /* null never allowed in text */
2649 else if (!(isPRINT(*s) || isSPACE(*s)))
2655 *s != '\n' && *s != '\r' && *s != '\b' &&
2656 *s != '\t' && *s != '\f' && *s != 27)
2661 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2669 return pp_fttext(ARGS);
2685 if (!tmps || !*tmps) {
2686 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
2688 tmps = SvPV(*svp, n_a);
2690 if (!tmps || !*tmps) {
2691 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
2693 tmps = SvPV(*svp, n_a);
2696 if (!tmps || !*tmps) {
2697 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
2699 tmps = SvPV(*svp, n_a);
2702 TAINT_PROPER("chdir");
2703 PUSHi( PerlDir_chdir(tmps) >= 0 );
2705 /* Clear the DEFAULT element of ENV so we'll get the new value
2707 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
2714 djSP; dMARK; dTARGET;
2717 value = (I32)apply(PL_op->op_type, MARK, SP);
2722 DIE(no_func, "Unsupported function chown");
2733 TAINT_PROPER("chroot");
2734 PUSHi( chroot(tmps) >= 0 );
2737 DIE(no_func, "chroot");
2743 djSP; dMARK; dTARGET;
2745 value = (I32)apply(PL_op->op_type, MARK, SP);
2753 djSP; dMARK; dTARGET;
2755 value = (I32)apply(PL_op->op_type, MARK, SP);
2763 djSP; dMARK; dTARGET;
2765 value = (I32)apply(PL_op->op_type, MARK, SP);
2777 char *tmps2 = POPpx;
2778 char *tmps = SvPV(TOPs, n_a);
2779 TAINT_PROPER("rename");
2781 anum = PerlLIO_rename(tmps, tmps2);
2783 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
2784 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2787 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
2788 (void)UNLINK(tmps2);
2789 if (!(anum = link(tmps, tmps2)))
2790 anum = UNLINK(tmps);
2803 char *tmps2 = POPpx;
2804 char *tmps = SvPV(TOPs, n_a);
2805 TAINT_PROPER("link");
2806 SETi( link(tmps, tmps2) >= 0 );
2808 DIE(no_func, "Unsupported function link");
2818 char *tmps2 = POPpx;
2819 char *tmps = SvPV(TOPs, n_a);
2820 TAINT_PROPER("symlink");
2821 SETi( symlink(tmps, tmps2) >= 0 );
2824 DIE(no_func, "symlink");
2833 char buf[MAXPATHLEN];
2837 #ifndef INCOMPLETE_TAINTS
2841 len = readlink(tmps, buf, sizeof buf);
2849 RETSETUNDEF; /* just pretend it's a normal file */
2853 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2855 dooneliner(cmd, filename)
2859 char *save_filename = filename;
2865 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2866 strcpy(cmdline, cmd);
2867 strcat(cmdline, " ");
2868 for (s = cmdline + strlen(cmdline); *filename; ) {
2873 myfp = PerlProc_popen(cmdline, "r");
2877 SV *tmpsv = sv_newmortal();
2878 /* Need to save/restore 'PL_rs' ?? */
2879 s = sv_gets(tmpsv, myfp, 0);
2880 (void)PerlProc_pclose(myfp);
2884 #ifdef HAS_SYS_ERRLIST
2889 /* you don't see this */
2891 #ifdef HAS_SYS_ERRLIST
2899 if (instr(s, errmsg)) {
2906 #define EACCES EPERM
2908 if (instr(s, "cannot make"))
2909 SETERRNO(EEXIST,RMS$_FEX);
2910 else if (instr(s, "existing file"))
2911 SETERRNO(EEXIST,RMS$_FEX);
2912 else if (instr(s, "ile exists"))
2913 SETERRNO(EEXIST,RMS$_FEX);
2914 else if (instr(s, "non-exist"))
2915 SETERRNO(ENOENT,RMS$_FNF);
2916 else if (instr(s, "does not exist"))
2917 SETERRNO(ENOENT,RMS$_FNF);
2918 else if (instr(s, "not empty"))
2919 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2920 else if (instr(s, "cannot access"))
2921 SETERRNO(EACCES,RMS$_PRV);
2923 SETERRNO(EPERM,RMS$_PRV);
2926 else { /* some mkdirs return no failure indication */
2927 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
2928 if (PL_op->op_type == OP_RMDIR)
2933 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2950 char *tmps = SvPV(TOPs, n_a);
2952 TAINT_PROPER("mkdir");
2954 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
2956 SETi( dooneliner("mkdir", tmps) );
2957 oldumask = PerlLIO_umask(0);
2958 PerlLIO_umask(oldumask);
2959 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
2971 TAINT_PROPER("rmdir");
2973 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
2975 XPUSHi( dooneliner("rmdir", tmps) );
2980 /* Directory calls. */
2985 #if defined(Direntry_t) && defined(HAS_READDIR)
2987 char *dirname = POPpx;
2989 register IO *io = GvIOn(gv);
2995 PerlDir_close(IoDIRP(io));
2996 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3002 SETERRNO(EBADF,RMS$_DIR);
3005 DIE(no_dir_func, "opendir");
3012 #if defined(Direntry_t) && defined(HAS_READDIR)
3014 Direntry_t *readdir _((DIR *));
3016 register Direntry_t *dp;
3018 register IO *io = GvIOn(gv);
3021 if (!io || !IoDIRP(io))
3024 if (GIMME == G_ARRAY) {
3026 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3028 sv = newSVpv(dp->d_name, dp->d_namlen);
3030 sv = newSVpv(dp->d_name, 0);
3032 #ifndef INCOMPLETE_TAINTS
3035 XPUSHs(sv_2mortal(sv));
3039 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3042 sv = newSVpv(dp->d_name, dp->d_namlen);
3044 sv = newSVpv(dp->d_name, 0);
3046 #ifndef INCOMPLETE_TAINTS
3049 XPUSHs(sv_2mortal(sv));
3055 SETERRNO(EBADF,RMS$_ISI);
3056 if (GIMME == G_ARRAY)
3061 DIE(no_dir_func, "readdir");
3068 #if defined(HAS_TELLDIR) || defined(telldir)
3069 # ifdef NEED_TELLDIR_PROTO /* XXX does _anyone_ need this? --AD 2/20/1998 */
3070 long telldir _((DIR *));
3073 register IO *io = GvIOn(gv);
3075 if (!io || !IoDIRP(io))
3078 PUSHi( PerlDir_tell(IoDIRP(io)) );
3082 SETERRNO(EBADF,RMS$_ISI);
3085 DIE(no_dir_func, "telldir");
3092 #if defined(HAS_SEEKDIR) || defined(seekdir)
3095 register IO *io = GvIOn(gv);
3097 if (!io || !IoDIRP(io))
3100 (void)PerlDir_seek(IoDIRP(io), along);
3105 SETERRNO(EBADF,RMS$_ISI);
3108 DIE(no_dir_func, "seekdir");
3115 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3117 register IO *io = GvIOn(gv);
3119 if (!io || !IoDIRP(io))
3122 (void)PerlDir_rewind(IoDIRP(io));
3126 SETERRNO(EBADF,RMS$_ISI);
3129 DIE(no_dir_func, "rewinddir");
3136 #if defined(Direntry_t) && defined(HAS_READDIR)
3138 register IO *io = GvIOn(gv);
3140 if (!io || !IoDIRP(io))
3143 #ifdef VOID_CLOSEDIR
3144 PerlDir_close(IoDIRP(io));
3146 if (PerlDir_close(IoDIRP(io)) < 0) {
3147 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3156 SETERRNO(EBADF,RMS$_IFI);
3159 DIE(no_dir_func, "closedir");
3163 /* Process control. */
3178 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3179 sv_setiv(GvSV(tmpgv), (IV)getpid());
3180 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3185 DIE(no_func, "Unsupported function fork");
3191 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3196 childpid = wait4pid(-1, &argflags, 0);
3197 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3201 DIE(no_func, "Unsupported function wait");
3207 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3215 childpid = wait4pid(childpid, &argflags, optype);
3216 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3220 DIE(no_func, "Unsupported function waitpid");
3226 djSP; dMARK; dORIGMARK; dTARGET;
3231 Sigsave_t ihand,qhand; /* place to save signals during system() */
3234 if (SP - MARK == 1) {
3236 char *junk = SvPV(TOPs, n_a);
3238 TAINT_PROPER("system");
3241 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3242 while ((childpid = vfork()) == -1) {
3243 if (errno != EAGAIN) {
3252 rsignal_save(SIGINT, SIG_IGN, &ihand);
3253 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3255 result = wait4pid(childpid, &status, 0);
3256 } while (result == -1 && errno == EINTR);
3257 (void)rsignal_restore(SIGINT, &ihand);
3258 (void)rsignal_restore(SIGQUIT, &qhand);
3259 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3260 do_execfree(); /* free any memory child malloced on vfork */
3262 PUSHi(STATUS_CURRENT);
3265 if (PL_op->op_flags & OPf_STACKED) {
3266 SV *really = *++MARK;
3267 value = (I32)do_aexec(really, MARK, SP);
3269 else if (SP - MARK != 1)
3270 value = (I32)do_aexec(Nullsv, MARK, SP);
3272 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3275 #else /* ! FORK or VMS or OS/2 */
3276 if (PL_op->op_flags & OPf_STACKED) {
3277 SV *really = *++MARK;
3278 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3280 else if (SP - MARK != 1)
3281 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3283 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3285 STATUS_NATIVE_SET(value);
3288 PUSHi(STATUS_CURRENT);
3289 #endif /* !FORK or VMS */
3295 djSP; dMARK; dORIGMARK; dTARGET;
3299 if (PL_op->op_flags & OPf_STACKED) {
3300 SV *really = *++MARK;
3301 value = (I32)do_aexec(really, MARK, SP);
3303 else if (SP - MARK != 1)
3305 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3307 value = (I32)do_aexec(Nullsv, MARK, SP);
3311 char *junk = SvPV(*SP, n_a);
3313 TAINT_PROPER("exec");
3316 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3318 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3328 djSP; dMARK; dTARGET;
3331 value = (I32)apply(PL_op->op_type, MARK, SP);
3336 DIE(no_func, "Unsupported function kill");
3344 XPUSHi( getppid() );
3347 DIE(no_func, "getppid");
3363 value = (I32)BSD_GETPGRP(pid);
3365 if (pid != 0 && pid != getpid())
3366 DIE("POSIX getpgrp can't take an argument");
3367 value = (I32)getpgrp();
3372 DIE(no_func, "getpgrp()");
3391 TAINT_PROPER("setpgrp");
3393 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3395 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3396 DIE("POSIX setpgrp can't take an argument");
3397 SETi( setpgrp() >= 0 );
3398 #endif /* USE_BSDPGRP */
3401 DIE(no_func, "setpgrp()");
3410 #ifdef HAS_GETPRIORITY
3413 SETi( getpriority(which, who) );
3416 DIE(no_func, "getpriority()");
3426 #ifdef HAS_SETPRIORITY
3430 TAINT_PROPER("setpriority");
3431 SETi( setpriority(which, who, niceval) >= 0 );
3434 DIE(no_func, "setpriority()");
3444 XPUSHn( time(Null(Time_t*)) );
3446 XPUSHi( time(Null(Time_t*)) );
3451 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3452 to HZ. Probably. For now, assume that if the system
3453 defines HZ, it does so correctly. (Will this break
3455 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3456 it's supported. --AD 9/96.
3472 DIE("times not implemented");
3477 (void)PerlProc_times(&PL_timesbuf);
3479 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3480 /* struct tms, though same data */
3484 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_utime)/HZ)));
3485 if (GIMME == G_ARRAY) {
3486 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_stime)/HZ)));
3487 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cutime)/HZ)));
3488 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cstime)/HZ)));
3491 #endif /* HAS_TIMES */
3496 return pp_gmtime(ARGS);
3504 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3505 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3506 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3512 when = (Time_t)SvNVx(POPs);
3514 when = (Time_t)SvIVx(POPs);
3517 if (PL_op->op_type == OP_LOCALTIME)
3518 tmbuf = localtime(&when);
3520 tmbuf = gmtime(&when);
3524 if (GIMME != G_ARRAY) {
3529 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3530 dayname[tmbuf->tm_wday],
3531 monname[tmbuf->tm_mon],
3536 tmbuf->tm_year + 1900);
3537 PUSHs(sv_2mortal(tsv));
3540 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3541 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3542 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3543 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3544 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3545 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3546 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3547 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3548 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3559 anum = alarm((unsigned int)anum);
3566 DIE(no_func, "Unsupported function alarm");
3577 (void)time(&lasttime);
3582 PerlProc_sleep((unsigned int)duration);
3585 XPUSHi(when - lasttime);
3589 /* Shared memory. */
3593 return pp_semget(ARGS);
3598 return pp_semctl(ARGS);
3603 return pp_shmwrite(ARGS);
3608 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3609 djSP; dMARK; dTARGET;
3610 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3615 return pp_semget(ARGS);
3619 /* Message passing. */
3623 return pp_semget(ARGS);
3628 return pp_semctl(ARGS);
3633 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3634 djSP; dMARK; dTARGET;
3635 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3640 return pp_semget(ARGS);
3646 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3647 djSP; dMARK; dTARGET;
3648 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3653 return pp_semget(ARGS);
3661 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3662 djSP; dMARK; dTARGET;
3663 int anum = do_ipcget(PL_op->op_type, MARK, SP);
3670 DIE("System V IPC is not implemented on this machine");
3676 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3677 djSP; dMARK; dTARGET;
3678 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
3686 PUSHp(zero_but_true, ZBTLEN);
3690 return pp_semget(ARGS);
3696 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3697 djSP; dMARK; dTARGET;
3698 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3703 return pp_semget(ARGS);
3707 /* Get system info. */
3711 #ifdef HAS_GETHOSTBYNAME
3712 return pp_ghostent(ARGS);
3714 DIE(no_sock_func, "gethostbyname");
3720 #ifdef HAS_GETHOSTBYADDR
3721 return pp_ghostent(ARGS);
3723 DIE(no_sock_func, "gethostbyaddr");
3730 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
3731 I32 which = PL_op->op_type;
3732 register char **elem;
3734 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
3735 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
3736 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
3737 struct hostent *PerlSock_gethostent(void);
3739 struct hostent *hent;
3743 if (which == OP_GHBYNAME) {
3744 #ifdef HAS_GETHOSTBYNAME
3746 hent = PerlSock_gethostbyname(POPpx);
3748 DIE(no_sock_func, "gethostbyname");
3751 else if (which == OP_GHBYADDR) {
3752 #ifdef HAS_GETHOSTBYADDR
3753 int addrtype = POPi;
3756 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
3758 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
3760 DIE(no_sock_func, "gethostbyaddr");
3764 #ifdef HAS_GETHOSTENT
3765 hent = PerlSock_gethostent();
3767 DIE(no_sock_func, "gethostent");
3770 #ifdef HOST_NOT_FOUND
3772 STATUS_NATIVE_SET(h_errno);
3775 if (GIMME != G_ARRAY) {
3776 PUSHs(sv = sv_newmortal());
3778 if (which == OP_GHBYNAME) {
3780 sv_setpvn(sv, hent->h_addr, hent->h_length);
3783 sv_setpv(sv, (char*)hent->h_name);
3789 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3790 sv_setpv(sv, (char*)hent->h_name);
3791 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3792 for (elem = hent->h_aliases; elem && *elem; elem++) {
3793 sv_catpv(sv, *elem);
3795 sv_catpvn(sv, " ", 1);
3797 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3798 sv_setiv(sv, (IV)hent->h_addrtype);
3799 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3800 len = hent->h_length;
3801 sv_setiv(sv, (IV)len);
3803 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3804 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
3805 sv_setpvn(sv, *elem, len);
3808 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3810 sv_setpvn(sv, hent->h_addr, len);
3815 DIE(no_sock_func, "gethostent");
3821 #ifdef HAS_GETNETBYNAME
3822 return pp_gnetent(ARGS);
3824 DIE(no_sock_func, "getnetbyname");
3830 #ifdef HAS_GETNETBYADDR
3831 return pp_gnetent(ARGS);
3833 DIE(no_sock_func, "getnetbyaddr");
3840 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
3841 I32 which = PL_op->op_type;
3842 register char **elem;
3844 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
3845 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
3846 struct netent *PerlSock_getnetbyname(Netdb_name_t);
3847 struct netent *PerlSock_getnetent(void);
3849 struct netent *nent;
3851 if (which == OP_GNBYNAME) {
3852 #ifdef HAS_GETNETBYNAME
3854 nent = PerlSock_getnetbyname(POPpx);
3856 DIE(no_sock_func, "getnetbyname");
3859 else if (which == OP_GNBYADDR) {
3860 #ifdef HAS_GETNETBYADDR
3861 int addrtype = POPi;
3862 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
3863 nent = PerlSock_getnetbyaddr(addr, addrtype);
3865 DIE(no_sock_func, "getnetbyaddr");
3869 #ifdef HAS_GETNETENT
3870 nent = PerlSock_getnetent();
3872 DIE(no_sock_func, "getnetent");
3876 if (GIMME != G_ARRAY) {
3877 PUSHs(sv = sv_newmortal());
3879 if (which == OP_GNBYNAME)
3880 sv_setiv(sv, (IV)nent->n_net);
3882 sv_setpv(sv, nent->n_name);
3888 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3889 sv_setpv(sv, nent->n_name);
3890 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3891 for (elem = nent->n_aliases; elem && *elem; elem++) {
3892 sv_catpv(sv, *elem);
3894 sv_catpvn(sv, " ", 1);
3896 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3897 sv_setiv(sv, (IV)nent->n_addrtype);
3898 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3899 sv_setiv(sv, (IV)nent->n_net);
3904 DIE(no_sock_func, "getnetent");
3910 #ifdef HAS_GETPROTOBYNAME
3911 return pp_gprotoent(ARGS);
3913 DIE(no_sock_func, "getprotobyname");
3919 #ifdef HAS_GETPROTOBYNUMBER
3920 return pp_gprotoent(ARGS);
3922 DIE(no_sock_func, "getprotobynumber");
3929 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
3930 I32 which = PL_op->op_type;
3931 register char **elem;
3933 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
3934 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
3935 struct protoent *PerlSock_getprotobynumber(int);
3936 struct protoent *PerlSock_getprotoent(void);
3938 struct protoent *pent;
3940 if (which == OP_GPBYNAME) {
3941 #ifdef HAS_GETPROTOBYNAME
3943 pent = PerlSock_getprotobyname(POPpx);
3945 DIE(no_sock_func, "getprotobyname");
3948 else if (which == OP_GPBYNUMBER)
3949 #ifdef HAS_GETPROTOBYNUMBER
3950 pent = PerlSock_getprotobynumber(POPi);
3952 DIE(no_sock_func, "getprotobynumber");
3955 #ifdef HAS_GETPROTOENT
3956 pent = PerlSock_getprotoent();
3958 DIE(no_sock_func, "getprotoent");
3962 if (GIMME != G_ARRAY) {
3963 PUSHs(sv = sv_newmortal());
3965 if (which == OP_GPBYNAME)
3966 sv_setiv(sv, (IV)pent->p_proto);
3968 sv_setpv(sv, pent->p_name);
3974 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3975 sv_setpv(sv, pent->p_name);
3976 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3977 for (elem = pent->p_aliases; elem && *elem; elem++) {
3978 sv_catpv(sv, *elem);
3980 sv_catpvn(sv, " ", 1);
3982 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3983 sv_setiv(sv, (IV)pent->p_proto);
3988 DIE(no_sock_func, "getprotoent");
3994 #ifdef HAS_GETSERVBYNAME
3995 return pp_gservent(ARGS);
3997 DIE(no_sock_func, "getservbyname");
4003 #ifdef HAS_GETSERVBYPORT
4004 return pp_gservent(ARGS);
4006 DIE(no_sock_func, "getservbyport");
4013 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4014 I32 which = PL_op->op_type;
4015 register char **elem;
4017 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4018 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4019 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4020 struct servent *PerlSock_getservent(void);
4022 struct servent *sent;
4024 if (which == OP_GSBYNAME) {
4025 #ifdef HAS_GETSERVBYNAME
4027 char *proto = POPpx;
4030 if (proto && !*proto)
4033 sent = PerlSock_getservbyname(name, proto);
4035 DIE(no_sock_func, "getservbyname");
4038 else if (which == OP_GSBYPORT) {
4039 #ifdef HAS_GETSERVBYPORT
4041 char *proto = POPpx;
4042 unsigned short port = POPu;
4045 port = PerlSock_htons(port);
4047 sent = PerlSock_getservbyport(port, proto);
4049 DIE(no_sock_func, "getservbyport");
4053 #ifdef HAS_GETSERVENT
4054 sent = PerlSock_getservent();
4056 DIE(no_sock_func, "getservent");
4060 if (GIMME != G_ARRAY) {
4061 PUSHs(sv = sv_newmortal());
4063 if (which == OP_GSBYNAME) {
4065 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4067 sv_setiv(sv, (IV)(sent->s_port));
4071 sv_setpv(sv, sent->s_name);
4077 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4078 sv_setpv(sv, sent->s_name);
4079 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4080 for (elem = sent->s_aliases; elem && *elem; elem++) {
4081 sv_catpv(sv, *elem);
4083 sv_catpvn(sv, " ", 1);
4085 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4087 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4089 sv_setiv(sv, (IV)(sent->s_port));
4091 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4092 sv_setpv(sv, sent->s_proto);
4097 DIE(no_sock_func, "getservent");
4104 #ifdef HAS_SETHOSTENT
4105 PerlSock_sethostent(TOPi);
4108 DIE(no_sock_func, "sethostent");
4115 #ifdef HAS_SETNETENT
4116 PerlSock_setnetent(TOPi);
4119 DIE(no_sock_func, "setnetent");
4126 #ifdef HAS_SETPROTOENT
4127 PerlSock_setprotoent(TOPi);
4130 DIE(no_sock_func, "setprotoent");
4137 #ifdef HAS_SETSERVENT
4138 PerlSock_setservent(TOPi);
4141 DIE(no_sock_func, "setservent");
4148 #ifdef HAS_ENDHOSTENT
4149 PerlSock_endhostent();
4153 DIE(no_sock_func, "endhostent");
4160 #ifdef HAS_ENDNETENT
4161 PerlSock_endnetent();
4165 DIE(no_sock_func, "endnetent");
4172 #ifdef HAS_ENDPROTOENT
4173 PerlSock_endprotoent();
4177 DIE(no_sock_func, "endprotoent");
4184 #ifdef HAS_ENDSERVENT
4185 PerlSock_endservent();
4189 DIE(no_sock_func, "endservent");
4196 return pp_gpwent(ARGS);
4198 DIE(no_func, "getpwnam");
4205 return pp_gpwent(ARGS);
4207 DIE(no_func, "getpwuid");
4214 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4215 I32 which = PL_op->op_type;
4217 struct passwd *pwent;
4220 if (which == OP_GPWNAM)
4221 pwent = getpwnam(POPpx);
4222 else if (which == OP_GPWUID)
4223 pwent = getpwuid(POPi);
4225 pwent = (struct passwd *)getpwent();
4228 if (GIMME != G_ARRAY) {
4229 PUSHs(sv = sv_newmortal());
4231 if (which == OP_GPWNAM)
4232 sv_setiv(sv, (IV)pwent->pw_uid);
4234 sv_setpv(sv, pwent->pw_name);
4240 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4241 sv_setpv(sv, pwent->pw_name);
4243 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4245 sv_setpv(sv, pwent->pw_passwd);
4248 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4249 sv_setiv(sv, (IV)pwent->pw_uid);
4251 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4252 sv_setiv(sv, (IV)pwent->pw_gid);
4254 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4255 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4257 sv_setiv(sv, (IV)pwent->pw_change);
4260 sv_setiv(sv, (IV)pwent->pw_quota);
4263 sv_setpv(sv, pwent->pw_age);
4268 /* pw_class and pw_comment are mutually exclusive. */
4269 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4271 sv_setpv(sv, pwent->pw_class);
4274 sv_setpv(sv, pwent->pw_comment);
4278 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4280 sv_setpv(sv, pwent->pw_gecos);
4282 #ifndef INCOMPLETE_TAINTS
4283 /* pw_gecos is tainted because user himself can diddle with it. */
4287 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4288 sv_setpv(sv, pwent->pw_dir);
4290 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4291 sv_setpv(sv, pwent->pw_shell);
4294 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4295 sv_setiv(sv, (IV)pwent->pw_expire);
4300 DIE(no_func, "getpwent");
4307 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4311 DIE(no_func, "setpwent");
4318 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4322 DIE(no_func, "endpwent");
4329 return pp_ggrent(ARGS);
4331 DIE(no_func, "getgrnam");
4338 return pp_ggrent(ARGS);
4340 DIE(no_func, "getgrgid");
4347 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4348 I32 which = PL_op->op_type;
4349 register char **elem;
4351 struct group *grent;
4354 if (which == OP_GGRNAM)
4355 grent = (struct group *)getgrnam(POPpx);
4356 else if (which == OP_GGRGID)
4357 grent = (struct group *)getgrgid(POPi);
4359 grent = (struct group *)getgrent();
4362 if (GIMME != G_ARRAY) {
4363 PUSHs(sv = sv_newmortal());
4365 if (which == OP_GGRNAM)
4366 sv_setiv(sv, (IV)grent->gr_gid);
4368 sv_setpv(sv, grent->gr_name);
4374 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4375 sv_setpv(sv, grent->gr_name);
4377 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4379 sv_setpv(sv, grent->gr_passwd);
4382 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4383 sv_setiv(sv, (IV)grent->gr_gid);
4385 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4386 for (elem = grent->gr_mem; elem && *elem; elem++) {
4387 sv_catpv(sv, *elem);
4389 sv_catpvn(sv, " ", 1);
4395 DIE(no_func, "getgrent");
4402 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4406 DIE(no_func, "setgrent");
4413 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4417 DIE(no_func, "endgrent");
4427 if (!(tmps = PerlProc_getlogin()))
4429 PUSHp(tmps, strlen(tmps));
4432 DIE(no_func, "getlogin");
4436 /* Miscellaneous. */
4441 djSP; dMARK; dORIGMARK; dTARGET;
4442 register I32 items = SP - MARK;
4443 unsigned long a[20];
4449 while (++MARK <= SP) {
4450 if (SvTAINTED(*MARK)) {
4456 TAINT_PROPER("syscall");
4459 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4460 * or where sizeof(long) != sizeof(char*). But such machines will
4461 * not likely have syscall implemented either, so who cares?
4463 while (++MARK <= SP) {
4464 if (SvNIOK(*MARK) || !i)
4465 a[i++] = SvIV(*MARK);
4466 else if (*MARK == &PL_sv_undef)
4470 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
4477 DIE("Too many args to syscall");
4479 DIE("Too few args to syscall");
4481 retval = syscall(a[0]);
4484 retval = syscall(a[0],a[1]);
4487 retval = syscall(a[0],a[1],a[2]);
4490 retval = syscall(a[0],a[1],a[2],a[3]);
4493 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4496 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4499 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4502 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4506 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4509 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4512 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4516 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4520 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4524 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4525 a[10],a[11],a[12],a[13]);
4527 #endif /* atarist */
4533 DIE(no_func, "syscall");
4537 #ifdef FCNTL_EMULATE_FLOCK
4539 /* XXX Emulate flock() with fcntl().
4540 What's really needed is a good file locking module.
4544 fcntl_emulate_flock(int fd, int operation)
4548 switch (operation & ~LOCK_NB) {
4550 flock.l_type = F_RDLCK;
4553 flock.l_type = F_WRLCK;
4556 flock.l_type = F_UNLCK;
4562 flock.l_whence = SEEK_SET;
4563 flock.l_start = flock.l_len = 0L;
4565 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4568 #endif /* FCNTL_EMULATE_FLOCK */
4570 #ifdef LOCKF_EMULATE_FLOCK
4572 /* XXX Emulate flock() with lockf(). This is just to increase
4573 portability of scripts. The calls are not completely
4574 interchangeable. What's really needed is a good file
4578 /* The lockf() constants might have been defined in <unistd.h>.
4579 Unfortunately, <unistd.h> causes troubles on some mixed
4580 (BSD/POSIX) systems, such as SunOS 4.1.3.
4582 Further, the lockf() constants aren't POSIX, so they might not be
4583 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4584 just stick in the SVID values and be done with it. Sigh.
4588 # define F_ULOCK 0 /* Unlock a previously locked region */
4591 # define F_LOCK 1 /* Lock a region for exclusive use */
4594 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4597 # define F_TEST 3 /* Test a region for other processes locks */
4601 lockf_emulate_flock (fd, operation)
4609 /* flock locks entire file so for lockf we need to do the same */
4611 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4612 if (pos > 0) /* is seekable and needs to be repositioned */
4613 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4614 pos = -1; /* seek failed, so don't seek back afterwards */
4617 switch (operation) {
4619 /* LOCK_SH - get a shared lock */
4621 /* LOCK_EX - get an exclusive lock */
4623 i = lockf (fd, F_LOCK, 0);
4626 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4627 case LOCK_SH|LOCK_NB:
4628 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4629 case LOCK_EX|LOCK_NB:
4630 i = lockf (fd, F_TLOCK, 0);
4632 if ((errno == EAGAIN) || (errno == EACCES))
4633 errno = EWOULDBLOCK;
4636 /* LOCK_UN - unlock (non-blocking is a no-op) */
4638 case LOCK_UN|LOCK_NB:
4639 i = lockf (fd, F_ULOCK, 0);
4642 /* Default - can't decipher operation */
4649 if (pos > 0) /* need to restore position of the handle */
4650 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4655 #endif /* LOCKF_EMULATE_FLOCK */