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));
73 struct passwd *getpwent _((void));
81 struct group *getgrnam _((char *));
82 struct group *getgrgid _((Gid_t));
85 struct group *getgrent _((void));
90 # if defined(_MSC_VER) || defined(__MINGW32__)
91 # include <sys/utime.h>
100 #include <sys/file.h>
103 /* Put this after #includes because fork and vfork prototypes may conflict. */
108 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
110 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
111 # define Sock_size_t Size_t
113 # define Sock_size_t int
117 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
118 static int dooneliner _((char *cmd, char *filename));
122 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
125 # define my_chsize PerlLIO_chsize
130 #else /* no flock() */
132 /* fcntl.h might not have been included, even if it exists, because
133 the current Configure only sets I_FCNTL if it's needed to pick up
134 the *_OK constants. Make sure it has been included before testing
135 the fcntl() locking constants. */
136 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
140 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
141 # define FLOCK fcntl_emulate_flock
142 # define FCNTL_EMULATE_FLOCK
143 # else /* no flock() or fcntl(F_SETLK,...) */
145 # define FLOCK lockf_emulate_flock
146 # define LOCKF_EMULATE_FLOCK
148 # endif /* no flock() or fcntl(F_SETLK,...) */
151 static int FLOCK _((int, int));
154 * These are the flock() constants. Since this sytems doesn't have
155 * flock(), the values of the constants are probably not available.
169 # endif /* emulating flock() */
171 #endif /* no flock() */
175 # define MAXPATHLEN PATH_MAX
177 # define MAXPATHLEN 1024
182 static char zero_but_true[ZBTLEN + 1] = "0 but true";
194 fp = PerlProc_popen(tmps, "r");
196 if (gimme == G_VOID) {
198 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
202 else if (gimme == G_SCALAR) {
203 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
204 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
215 if (sv_gets(sv, fp, 0) == Nullch) {
219 XPUSHs(sv_2mortal(sv));
220 if (SvLEN(sv) - SvCUR(sv) > 20) {
221 SvLEN_set(sv, SvCUR(sv)+1);
222 Renew(SvPVX(sv), SvLEN(sv), char);
227 STATUS_NATIVE_SET(PerlProc_pclose(fp));
228 TAINT; /* "I believe that this is not gratuitous!" */
231 STATUS_NATIVE_SET(-1);
232 if (gimme == G_SCALAR)
247 * The external globbing program may use things we can't control,
248 * so for security reasons we must assume the worst.
251 taint_proper(no_security, "glob");
255 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
256 PL_last_in_gv = (GV*)*PL_stack_sp--;
258 SAVESPTR(PL_rs); /* This is not permanent, either. */
259 PL_rs = sv_2mortal(newSVpv("", 1));
262 *SvPVX(PL_rs) = '\n';
266 result = do_readline();
271 #if 0 /* XXX never used! */
274 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), PL_na), TRUE,SVt_PVIO);
275 return do_readline();
281 PL_last_in_gv = cGVOP->op_gv;
282 return do_readline();
289 if (SP - MARK != 1) {
291 do_join(TARG, &PL_sv_no, MARK, SP);
292 tmps = SvPV(TARG, PL_na);
296 tmps = SvPV(TOPs, PL_na);
298 if (!tmps || !*tmps) {
300 (void)SvUPGRADE(error, SVt_PV);
301 if (SvPOK(error) && SvCUR(error))
302 sv_catpv(error, "\t...caught");
303 tmps = SvPV(error, PL_na);
306 tmps = "Warning: something's wrong";
317 if (SP - MARK != 1) {
319 do_join(TARG, &PL_sv_no, MARK, SP);
320 tmps = SvPV(TARG, PL_na);
325 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, PL_na);
327 if (!tmps || !*tmps) {
329 (void)SvUPGRADE(error, SVt_PV);
330 if(tmpsv ? SvROK(tmpsv) : SvROK(error)) {
332 SvSetSV(error,tmpsv);
333 else if(sv_isobject(error)) {
334 HV *stash = SvSTASH(SvRV(error));
335 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
337 SV *file = sv_2mortal(newSVsv(GvSV(PL_curcop->cop_filegv)));
338 SV *line = sv_2mortal(newSViv(PL_curcop->cop_line));
345 perl_call_sv((SV*)GvCV(gv),
346 G_SCALAR|G_EVAL|G_KEEPERR);
347 sv_setsv(error,*PL_stack_sp--);
353 if (SvPOK(error) && SvCUR(error))
354 sv_catpv(error, "\t...propagated");
355 tmps = SvPV(error, PL_na);
376 DIE(no_usym, "filehandle");
381 DIE(no_usym, "filehandle");
383 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
384 tmps = SvPV(sv, len);
385 if (do_open(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp))
386 PUSHi( (I32)PL_forkprocess );
387 else if (PL_forkprocess == 0) /* we are a new child */
405 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
410 perl_call_method("CLOSE", G_SCALAR);
416 PUSHs(boolSV(do_close(gv, TRUE)));
436 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
437 DIE(no_usym, "filehandle");
442 do_close(rgv, FALSE);
444 do_close(wgv, FALSE);
446 if (PerlProc_pipe(fd) < 0)
449 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
450 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
451 IoIFP(wstio) = IoOFP(wstio);
455 if (!IoIFP(rstio) || !IoOFP(wstio)) {
456 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
457 else PerlLIO_close(fd[0]);
458 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
459 else PerlLIO_close(fd[1]);
468 DIE(no_func, "pipe");
481 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
483 PUSHi(PerlIO_fileno(fp));
494 anum = PerlLIO_umask(0);
495 (void)PerlLIO_umask(anum);
498 anum = PerlLIO_umask(POPi);
499 TAINT_PROPER("umask");
502 /* Only DIE if trying to restrict permissions on `user' (self).
503 * Otherwise it's harmless and more useful to just return undef
504 * since 'group' and 'other' concepts probably don't exist here. */
505 if (MAXARG >= 1 && (POPi & 0700))
506 DIE("umask not implemented");
507 XPUSHs(&PL_sv_undef);
525 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
528 if (do_binmode(fp,IoTYPE(io),TRUE))
543 I32 markoff = MARK - PL_stack_base;
549 switch(SvTYPE(varsv)) {
551 methname = "TIEHASH";
554 methname = "TIEARRAY";
557 methname = "TIEHANDLE";
561 methname = "TIESCALAR";
566 if (sv_isobject(*MARK)) {
568 PUSHSTACKi(PERLSI_MAGIC);
574 perl_call_method(methname, G_SCALAR);
577 /* Not clear why we don't call perl_call_method here too.
578 * perhaps to get different error message ?
580 stash = gv_stashsv(*MARK, FALSE);
581 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
582 DIE("Can't locate object method \"%s\" via package \"%s\"",
583 methname, SvPV(*MARK,PL_na));
586 PUSHSTACKi(PERLSI_MAGIC);
592 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
598 if (sv_isobject(sv)) {
599 sv_unmagic(varsv, how);
600 sv_magic(varsv, sv, how, Nullch, 0);
603 SP = PL_stack_base + markoff;
615 if (ckWARN(WARN_UNTIE)) {
618 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
619 mg = mg_find(sv, 'P') ;
621 mg = mg_find(sv, 'q') ;
623 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
625 "untie attempted while %lu inner references still exist",
626 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
630 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
645 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
646 mg = mg_find(sv, 'P') ;
648 mg = mg_find(sv, 'q') ;
651 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
669 sv = sv_mortalcopy(&PL_sv_no);
670 sv_setpv(sv, "AnyDBM_File");
671 stash = gv_stashsv(sv, FALSE);
672 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
674 perl_require_pv("AnyDBM_File.pm");
676 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
677 DIE("No dbm on this machine");
687 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
689 PUSHs(sv_2mortal(newSViv(O_RDWR)));
692 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
695 if (!sv_isobject(TOPs)) {
700 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
703 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
707 if (sv_isobject(TOPs)) {
708 sv_unmagic((SV *) hv, 'P');
709 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
717 return pp_untie(ARGS);
731 struct timeval timebuf;
732 struct timeval *tbuf = &timebuf;
735 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
740 # if BYTEORDER & 0xf0000
741 # define ORDERBYTE (0x88888888 - BYTEORDER)
743 # define ORDERBYTE (0x4444 - BYTEORDER)
749 for (i = 1; i <= 3; i++) {
757 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
758 /* XXX Configure test needed. */
759 #if defined(__linux__) || defined(OS2) || defined(NeXT) || defined(__osf__) || defined(sun)
760 growsize = sizeof(fd_set);
762 growsize = maxlen; /* little endians can use vecs directly */
771 masksize = NFDBITS / NBBY;
773 masksize = sizeof(long); /* documented int, everyone seems to use long */
775 growsize = maxlen + (masksize - (maxlen % masksize));
776 Zero(&fd_sets[0], 4, char*);
784 timebuf.tv_sec = (long)value;
785 value -= (double)timebuf.tv_sec;
786 timebuf.tv_usec = (long)(value * 1000000.0);
789 tbuf = Null(struct timeval*);
791 for (i = 1; i <= 3; i++) {
798 SvPV_force(sv,PL_na); /* force string conversion */
801 Sv_Grow(sv, growsize);
805 while (++j <= growsize) {
809 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
811 New(403, fd_sets[i], growsize, char);
812 for (offset = 0; offset < growsize; offset += masksize) {
813 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
814 fd_sets[i][j+offset] = s[(k % masksize) + offset];
817 fd_sets[i] = SvPVX(sv);
821 nfound = PerlSock_select(
823 (Select_fd_set_t) fd_sets[1],
824 (Select_fd_set_t) fd_sets[2],
825 (Select_fd_set_t) fd_sets[3],
827 for (i = 1; i <= 3; i++) {
830 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
832 for (offset = 0; offset < growsize; offset += masksize) {
833 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
834 s[(k % masksize) + offset] = fd_sets[i][j+offset];
836 Safefree(fd_sets[i]);
843 if (GIMME == G_ARRAY && tbuf) {
844 value = (double)(timebuf.tv_sec) +
845 (double)(timebuf.tv_usec) / 1000000.0;
846 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
851 DIE("select not implemented");
860 (void)SvREFCNT_inc(gv);
862 SvREFCNT_dec(PL_defoutgv);
872 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
874 egv = GvEGV(PL_defoutgv);
879 XPUSHs(&PL_sv_undef);
881 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
882 if (gvp && *gvp == egv) {
883 gv_efullname3(TARG, PL_defoutgv, Nullch);
887 XPUSHs(sv_2mortal(newRV((SV*)egv)));
892 if (!GvIO(newdefout))
894 setdefout(newdefout);
913 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
919 perl_call_method("GETC", gimme);
922 if (gimme == G_SCALAR)
923 SvSetMagicSV_nosteal(TARG, TOPs);
926 if (!gv || do_eof(gv)) /* make sure we have fp with something */
930 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
937 return pp_sysread(ARGS);
941 doform(CV *cv, GV *gv, OP *retop)
944 register PERL_CONTEXT *cx;
946 AV* padlist = CvPADLIST(cv);
947 SV** svp = AvARRAY(padlist);
953 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
956 PL_curpad = AvARRAY((AV*)svp[1]);
958 setdefout(gv); /* locally select filehandle so $% et al work */
990 SV *tmpsv = sv_newmortal();
991 gv_efullname3(tmpsv, fgv, Nullch);
992 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
994 DIE("Not a format reference");
997 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
999 IoFLAGS(io) &= ~IOf_DIDTOP;
1000 return doform(cv,gv,PL_op->op_next);
1006 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1007 register IO *io = GvIOp(gv);
1008 PerlIO *ofp = IoOFP(io);
1012 register PERL_CONTEXT *cx;
1014 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1015 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1016 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1017 PL_formtarget != PL_toptarget)
1021 if (!IoTOP_GV(io)) {
1025 if (!IoTOP_NAME(io)) {
1026 if (!IoFMT_NAME(io))
1027 IoFMT_NAME(io) = savepv(GvNAME(gv));
1028 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1029 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1030 if ((topgv && GvFORM(topgv)) ||
1031 !gv_fetchpv("top",FALSE,SVt_PVFM))
1032 IoTOP_NAME(io) = savepv(SvPVX(topname));
1034 IoTOP_NAME(io) = savepv("top");
1036 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1037 if (!topgv || !GvFORM(topgv)) {
1038 IoLINES_LEFT(io) = 100000000;
1041 IoTOP_GV(io) = topgv;
1043 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1044 I32 lines = IoLINES_LEFT(io);
1045 char *s = SvPVX(PL_formtarget);
1046 if (lines <= 0) /* Yow, header didn't even fit!!! */
1048 while (lines-- > 0) {
1049 s = strchr(s, '\n');
1055 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1056 sv_chop(PL_formtarget, s);
1057 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1060 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1061 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1062 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1064 PL_formtarget = PL_toptarget;
1065 IoFLAGS(io) |= IOf_DIDTOP;
1068 DIE("bad top format reference");
1071 SV *tmpsv = sv_newmortal();
1072 gv_efullname3(tmpsv, fgv, Nullch);
1073 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1076 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1077 return doform(cv,gv,PL_op);
1081 POPBLOCK(cx,PL_curpm);
1087 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1089 warner(WARN_IO, "Filehandle only opened for input");
1090 else if (ckWARN(WARN_CLOSED))
1091 warner(WARN_CLOSED, "Write on closed filehandle");
1096 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1097 if (ckWARN(WARN_IO))
1098 warner(WARN_IO, "page overflow");
1100 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1104 FmLINES(PL_formtarget) = 0;
1105 SvCUR_set(PL_formtarget, 0);
1106 *SvEND(PL_formtarget) = '\0';
1107 if (IoFLAGS(io) & IOf_FLUSH)
1108 (void)PerlIO_flush(fp);
1112 PL_formtarget = PL_bodytarget;
1114 return pop_return();
1119 djSP; dMARK; dORIGMARK;
1126 if (PL_op->op_flags & OPf_STACKED)
1131 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1132 if (MARK == ORIGMARK) {
1135 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1142 perl_call_method("PRINTF", G_SCALAR);
1145 MARK = ORIGMARK + 1;
1152 if (!(io = GvIO(gv))) {
1153 if (ckWARN(WARN_UNOPENED)) {
1154 gv_fullname3(sv, gv, Nullch);
1155 warner(WARN_UNOPENED, "Filehandle %s never opened", SvPV(sv,PL_na));
1157 SETERRNO(EBADF,RMS$_IFI);
1160 else if (!(fp = IoOFP(io))) {
1161 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1162 gv_fullname3(sv, gv, Nullch);
1164 warner(WARN_IO, "Filehandle %s opened only for input",
1166 else if (ckWARN(WARN_CLOSED))
1167 warner(WARN_CLOSED, "printf on closed filehandle %s",
1170 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1174 #ifdef USE_LOCALE_NUMERIC
1175 if (PL_op->op_private & OPpLOCALE)
1176 SET_NUMERIC_LOCAL();
1178 SET_NUMERIC_STANDARD();
1180 do_sprintf(sv, SP - MARK, MARK + 1);
1181 if (!do_print(sv, fp))
1184 if (IoFLAGS(io) & IOf_FLUSH)
1185 if (PerlIO_flush(fp) == EOF)
1196 PUSHs(&PL_sv_undef);
1217 tmps = SvPV(sv, len);
1218 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1219 IoLINES(GvIOp(gv)) = 0;
1223 PUSHs(&PL_sv_undef);
1230 djSP; dMARK; dORIGMARK; dTARGET;
1236 Sock_size_t bufsize;
1242 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1243 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1250 perl_call_method("READ", G_SCALAR);
1263 sv_setpvn(bufsv, "", 0);
1264 buffer = SvPV_force(bufsv, blen);
1265 length = SvIVx(*++MARK);
1267 DIE("Negative length");
1270 offset = SvIVx(*++MARK);
1274 if (!io || !IoIFP(io))
1277 if (PL_op->op_type == OP_RECV) {
1278 char namebuf[MAXPATHLEN];
1279 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1280 bufsize = sizeof (struct sockaddr_in);
1282 bufsize = sizeof namebuf;
1284 buffer = SvGROW(bufsv, length+1);
1285 /* 'offset' means 'flags' here */
1286 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1287 (struct sockaddr *)namebuf, &bufsize);
1290 SvCUR_set(bufsv, length);
1291 *SvEND(bufsv) = '\0';
1292 (void)SvPOK_only(bufsv);
1294 /* This should not be marked tainted if the fp is marked clean */
1295 if (!(IoFLAGS(io) & IOf_UNTAINT))
1296 SvTAINTED_on(bufsv);
1298 sv_setpvn(TARG, namebuf, bufsize);
1303 if (PL_op->op_type == OP_RECV)
1304 DIE(no_sock_func, "recv");
1308 DIE("Offset outside string");
1311 bufsize = SvCUR(bufsv);
1312 buffer = SvGROW(bufsv, length+offset+1);
1313 if (offset > bufsize) { /* Zero any newly allocated space */
1314 Zero(buffer+bufsize, offset-bufsize, char);
1316 if (PL_op->op_type == OP_SYSREAD) {
1317 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1320 #ifdef HAS_SOCKET__bad_code_maybe
1321 if (IoTYPE(io) == 's') {
1322 char namebuf[MAXPATHLEN];
1323 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1324 bufsize = sizeof (struct sockaddr_in);
1326 bufsize = sizeof namebuf;
1328 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1329 (struct sockaddr *)namebuf, &bufsize);
1334 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1335 /* fread() returns 0 on both error and EOF */
1336 if (length == 0 && PerlIO_error(IoIFP(io)))
1341 SvCUR_set(bufsv, length+offset);
1342 *SvEND(bufsv) = '\0';
1343 (void)SvPOK_only(bufsv);
1345 /* This should not be marked tainted if the fp is marked clean */
1346 if (!(IoFLAGS(io) & IOf_UNTAINT))
1347 SvTAINTED_on(bufsv);
1359 return pp_send(ARGS);
1364 djSP; dMARK; dORIGMARK; dTARGET;
1375 if (PL_op->op_type == OP_SYSWRITE &&
1376 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1383 perl_call_method("WRITE", G_SCALAR);
1394 buffer = SvPV(bufsv, blen);
1395 length = SvIVx(*++MARK);
1397 DIE("Negative length");
1400 if (!io || !IoIFP(io)) {
1402 if (ckWARN(WARN_CLOSED)) {
1403 if (PL_op->op_type == OP_SYSWRITE)
1404 warner(WARN_CLOSED, "Syswrite on closed filehandle");
1406 warner(WARN_CLOSED, "Send on closed socket");
1409 else if (PL_op->op_type == OP_SYSWRITE) {
1411 offset = SvIVx(*++MARK);
1414 DIE("Offset outside string");
1416 } else if (offset >= blen && blen > 0)
1417 DIE("Offset outside string");
1420 if (length > blen - offset)
1421 length = blen - offset;
1422 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1425 else if (SP > MARK) {
1428 sockbuf = SvPVx(*++MARK, mlen);
1429 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1430 (struct sockaddr *)sockbuf, mlen);
1433 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1437 DIE(no_sock_func, "send");
1452 return pp_sysread(ARGS);
1463 gv = PL_last_in_gv = (GV*)POPs;
1464 PUSHs(boolSV(!gv || do_eof(gv)));
1476 gv = PL_last_in_gv = (GV*)POPs;
1477 PUSHi( do_tell(gv) );
1483 return pp_sysseek(ARGS);
1493 gv = PL_last_in_gv = (GV*)POPs;
1494 if (PL_op->op_type == OP_SEEK)
1495 PUSHs(boolSV(do_seek(gv, offset, whence)));
1497 long n = do_sysseek(gv, offset, whence);
1498 PUSHs((n < 0) ? &PL_sv_undef
1499 : sv_2mortal(n ? newSViv((IV)n)
1500 : newSVpv(zero_but_true, ZBTLEN)));
1508 Off_t len = (Off_t)POPn;
1513 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1514 if (PL_op->op_flags & OPf_SPECIAL) {
1515 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1517 TAINT_PROPER("truncate");
1518 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1520 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1522 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1530 if (SvTYPE(sv) == SVt_PVGV) {
1531 tmpgv = (GV*)sv; /* *main::FRED for example */
1534 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1535 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1539 name = SvPV(sv, PL_na);
1540 TAINT_PROPER("truncate");
1542 if (truncate(name, len) < 0)
1547 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1550 if (my_chsize(tmpfd, len) < 0)
1552 PerlLIO_close(tmpfd);
1561 SETERRNO(EBADF,RMS$_IFI);
1564 DIE("truncate not implemented");
1570 return pp_ioctl(ARGS);
1577 unsigned int func = U_I(POPn);
1578 int optype = PL_op->op_type;
1584 if (!io || !argsv || !IoIFP(io)) {
1585 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1589 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1592 s = SvPV_force(argsv, len);
1593 need = IOCPARM_LEN(func);
1595 s = Sv_Grow(argsv, need + 1);
1596 SvCUR_set(argsv, need);
1599 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1602 retval = SvIV(argsv);
1603 s = (char*)retval; /* ouch */
1606 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1608 if (optype == OP_IOCTL)
1610 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1612 DIE("ioctl is not implemented");
1616 #if defined(OS2) && defined(__EMX__)
1617 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1619 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1622 DIE("fcntl is not implemented");
1626 if (s[SvCUR(argsv)] != 17)
1627 DIE("Possible memory corruption: %s overflowed 3rd argument",
1629 s[SvCUR(argsv)] = 0; /* put our null back */
1630 SvSETMAGIC(argsv); /* Assume it has changed */
1639 PUSHp(zero_but_true, ZBTLEN);
1659 fp = IoIFP(GvIOp(gv));
1663 (void)PerlIO_flush(fp);
1664 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1671 DIE(no_func, "flock()");
1683 int protocol = POPi;
1691 SETERRNO(EBADF,LIB$_INVARG);
1697 do_close(gv, FALSE);
1699 TAINT_PROPER("socket");
1700 fd = PerlSock_socket(domain, type, protocol);
1703 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1704 IoOFP(io) = PerlIO_fdopen(fd, "w");
1706 if (!IoIFP(io) || !IoOFP(io)) {
1707 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1708 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1709 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1715 DIE(no_sock_func, "socket");
1722 #ifdef HAS_SOCKETPAIR
1727 int protocol = POPi;
1740 do_close(gv1, FALSE);
1742 do_close(gv2, FALSE);
1744 TAINT_PROPER("socketpair");
1745 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1747 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1748 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1750 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1751 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1753 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1754 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1755 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1756 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1757 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1758 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1759 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1765 DIE(no_sock_func, "socketpair");
1773 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
1774 extern GETPRIVMODE();
1775 extern GETUSERMODE();
1780 register IO *io = GvIOn(gv);
1784 int mpeprivmode = 0;
1787 if (!io || !IoIFP(io))
1790 addr = SvPV(addrsv, len);
1791 TAINT_PROPER("bind");
1792 #ifdef MPE /* Deal with MPE bind() peculiarities */
1793 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
1794 /* The address *MUST* stupidly be zero. */
1795 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
1796 /* PRIV mode is required to bind() to ports < 1024. */
1797 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
1798 ((struct sockaddr_in *)addr)->sin_port > 0) {
1799 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
1804 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
1805 (struct sockaddr *)addr, len) >= 0)
1808 #ifdef MPE /* Switch back to USER mode */
1819 if (ckWARN(WARN_CLOSED))
1820 warner(WARN_CLOSED, "bind() on closed fd");
1821 SETERRNO(EBADF,SS$_IVCHAN);
1824 DIE(no_sock_func, "bind");
1835 register IO *io = GvIOn(gv);
1838 if (!io || !IoIFP(io))
1841 addr = SvPV(addrsv, len);
1842 TAINT_PROPER("connect");
1843 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1849 if (ckWARN(WARN_CLOSED))
1850 warner(WARN_CLOSED, "connect() on closed fd");
1851 SETERRNO(EBADF,SS$_IVCHAN);
1854 DIE(no_sock_func, "connect");
1864 register IO *io = GvIOn(gv);
1866 if (!io || !IoIFP(io))
1869 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1875 if (ckWARN(WARN_CLOSED))
1876 warner(WARN_CLOSED, "listen() on closed fd");
1877 SETERRNO(EBADF,SS$_IVCHAN);
1880 DIE(no_sock_func, "listen");
1892 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1893 Sock_size_t len = sizeof saddr;
1905 if (!gstio || !IoIFP(gstio))
1910 do_close(ngv, FALSE);
1912 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1915 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1916 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1917 IoTYPE(nstio) = 's';
1918 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1919 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1920 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1921 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
1925 PUSHp((char *)&saddr, len);
1929 if (ckWARN(WARN_CLOSED))
1930 warner(WARN_CLOSED, "accept() on closed fd");
1931 SETERRNO(EBADF,SS$_IVCHAN);
1937 DIE(no_sock_func, "accept");
1947 register IO *io = GvIOn(gv);
1949 if (!io || !IoIFP(io))
1952 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1956 if (ckWARN(WARN_CLOSED))
1957 warner(WARN_CLOSED, "shutdown() on closed fd");
1958 SETERRNO(EBADF,SS$_IVCHAN);
1961 DIE(no_sock_func, "shutdown");
1968 return pp_ssockopt(ARGS);
1970 DIE(no_sock_func, "getsockopt");
1978 int optype = PL_op->op_type;
1981 unsigned int optname;
1987 if (optype == OP_GSOCKOPT)
1988 sv = sv_2mortal(NEWSV(22, 257));
1991 optname = (unsigned int) POPi;
1992 lvl = (unsigned int) POPi;
1996 if (!io || !IoIFP(io))
1999 fd = PerlIO_fileno(IoIFP(io));
2003 (void)SvPOK_only(sv);
2007 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2017 buf = SvPV(sv, PL_na);
2021 aint = (int)SvIV(sv);
2025 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2034 if (ckWARN(WARN_CLOSED))
2035 warner(WARN_CLOSED, "[gs]etsockopt() on closed fd");
2036 SETERRNO(EBADF,SS$_IVCHAN);
2041 DIE(no_sock_func, "setsockopt");
2048 return pp_getpeername(ARGS);
2050 DIE(no_sock_func, "getsockname");
2058 int optype = PL_op->op_type;
2062 register IO *io = GvIOn(gv);
2065 if (!io || !IoIFP(io))
2068 sv = sv_2mortal(NEWSV(22, 257));
2069 (void)SvPOK_only(sv);
2073 fd = PerlIO_fileno(IoIFP(io));
2075 case OP_GETSOCKNAME:
2076 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2079 case OP_GETPEERNAME:
2080 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2082 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2084 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2085 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2086 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2087 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2088 sizeof(u_short) + sizeof(struct in_addr))) {
2095 #ifdef BOGUS_GETNAME_RETURN
2096 /* Interactive Unix, getpeername() and getsockname()
2097 does not return valid namelen */
2098 if (len == BOGUS_GETNAME_RETURN)
2099 len = sizeof(struct sockaddr);
2107 if (ckWARN(WARN_CLOSED))
2108 warner(WARN_CLOSED, "get{sock, peer}name() on closed fd");
2109 SETERRNO(EBADF,SS$_IVCHAN);
2114 DIE(no_sock_func, "getpeername");
2122 return pp_stat(ARGS);
2132 if (PL_op->op_flags & OPf_REF) {
2133 tmpgv = cGVOP->op_gv;
2135 if (tmpgv != PL_defgv) {
2136 PL_laststype = OP_STAT;
2138 sv_setpv(PL_statname, "");
2139 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2140 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2142 if (PL_laststatval < 0)
2147 if (SvTYPE(sv) == SVt_PVGV) {
2151 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2152 tmpgv = (GV*)SvRV(sv);
2155 sv_setpv(PL_statname, SvPV(sv,PL_na));
2158 PL_laststype = PL_op->op_type;
2159 if (PL_op->op_type == OP_LSTAT)
2160 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, PL_na), &PL_statcache);
2163 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, PL_na), &PL_statcache);
2164 if (PL_laststatval < 0) {
2165 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, PL_na), '\n'))
2166 warner(WARN_NEWLINE, warn_nl, "stat");
2172 if (gimme != G_ARRAY) {
2173 if (gimme != G_VOID)
2174 XPUSHs(boolSV(max));
2180 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2181 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2182 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2183 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2184 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2185 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2186 #ifdef USE_STAT_RDEV
2187 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2189 PUSHs(sv_2mortal(newSVpv("", 0)));
2191 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2193 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2194 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2195 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2197 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2198 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2199 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2201 #ifdef USE_STAT_BLOCKS
2202 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2203 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2205 PUSHs(sv_2mortal(newSVpv("", 0)));
2206 PUSHs(sv_2mortal(newSVpv("", 0)));
2214 I32 result = my_stat(ARGS);
2218 if (cando(S_IRUSR, 0, &PL_statcache))
2225 I32 result = my_stat(ARGS);
2229 if (cando(S_IWUSR, 0, &PL_statcache))
2236 I32 result = my_stat(ARGS);
2240 if (cando(S_IXUSR, 0, &PL_statcache))
2247 I32 result = my_stat(ARGS);
2251 if (cando(S_IRUSR, 1, &PL_statcache))
2258 I32 result = my_stat(ARGS);
2262 if (cando(S_IWUSR, 1, &PL_statcache))
2269 I32 result = my_stat(ARGS);
2273 if (cando(S_IXUSR, 1, &PL_statcache))
2280 I32 result = my_stat(ARGS);
2289 return pp_ftrowned(ARGS);
2294 I32 result = my_stat(ARGS);
2298 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2305 I32 result = my_stat(ARGS);
2309 if (!PL_statcache.st_size)
2316 I32 result = my_stat(ARGS);
2320 PUSHi(PL_statcache.st_size);
2326 I32 result = my_stat(ARGS);
2330 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2336 I32 result = my_stat(ARGS);
2340 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2346 I32 result = my_stat(ARGS);
2350 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2356 I32 result = my_stat(ARGS);
2360 if (S_ISSOCK(PL_statcache.st_mode))
2367 I32 result = my_stat(ARGS);
2371 if (S_ISCHR(PL_statcache.st_mode))
2378 I32 result = my_stat(ARGS);
2382 if (S_ISBLK(PL_statcache.st_mode))
2389 I32 result = my_stat(ARGS);
2393 if (S_ISREG(PL_statcache.st_mode))
2400 I32 result = my_stat(ARGS);
2404 if (S_ISDIR(PL_statcache.st_mode))
2411 I32 result = my_stat(ARGS);
2415 if (S_ISFIFO(PL_statcache.st_mode))
2422 I32 result = my_lstat(ARGS);
2426 if (S_ISLNK(PL_statcache.st_mode))
2435 I32 result = my_stat(ARGS);
2439 if (PL_statcache.st_mode & S_ISUID)
2449 I32 result = my_stat(ARGS);
2453 if (PL_statcache.st_mode & S_ISGID)
2463 I32 result = my_stat(ARGS);
2467 if (PL_statcache.st_mode & S_ISVTX)
2478 char *tmps = Nullch;
2480 if (PL_op->op_flags & OPf_REF)
2482 else if (isGV(TOPs))
2484 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2485 gv = (GV*)SvRV(POPs);
2487 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2489 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2490 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2491 else if (tmps && isDIGIT(*tmps))
2495 if (PerlLIO_isatty(fd))
2500 #if defined(atarist) /* this will work with atariST. Configure will
2501 make guesses for other systems. */
2502 # define FILE_base(f) ((f)->_base)
2503 # define FILE_ptr(f) ((f)->_ptr)
2504 # define FILE_cnt(f) ((f)->_cnt)
2505 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2515 register STDCHAR *s;
2520 if (PL_op->op_flags & OPf_REF)
2522 else if (isGV(TOPs))
2524 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2525 gv = (GV*)SvRV(POPs);
2531 if (gv == PL_defgv) {
2533 io = GvIO(PL_statgv);
2536 goto really_filename;
2541 PL_laststatval = -1;
2542 sv_setpv(PL_statname, "");
2543 io = GvIO(PL_statgv);
2545 if (io && IoIFP(io)) {
2546 if (! PerlIO_has_base(IoIFP(io)))
2547 DIE("-T and -B not implemented on filehandles");
2548 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2549 if (PL_laststatval < 0)
2551 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2552 if (PL_op->op_type == OP_FTTEXT)
2556 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2557 i = PerlIO_getc(IoIFP(io));
2559 (void)PerlIO_ungetc(IoIFP(io),i);
2561 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2563 len = PerlIO_get_bufsiz(IoIFP(io));
2564 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2565 /* sfio can have large buffers - limit to 512 */
2570 if (ckWARN(WARN_UNOPENED))
2571 warner(WARN_UNOPENED, "Test on unopened file <%s>",
2572 GvENAME(cGVOP->op_gv));
2573 SETERRNO(EBADF,RMS$_IFI);
2581 PL_laststatval = -1;
2582 sv_setpv(PL_statname, SvPV(sv, PL_na));
2584 i = PerlLIO_open3(SvPV(sv, PL_na), O_RDONLY, 0);
2586 i = PerlLIO_open(SvPV(sv, PL_na), 0);
2589 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, PL_na), '\n'))
2590 warner(WARN_NEWLINE, warn_nl, "open");
2593 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2594 if (PL_laststatval < 0)
2596 len = PerlLIO_read(i, tbuf, 512);
2597 (void)PerlLIO_close(i);
2599 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2600 RETPUSHNO; /* special case NFS directories */
2601 RETPUSHYES; /* null file is anything */
2606 /* now scan s to look for textiness */
2607 /* XXX ASCII dependent code */
2609 for (i = 0; i < len; i++, s++) {
2610 if (!*s) { /* null never allowed in text */
2615 else if (!(isPRINT(*s) || isSPACE(*s)))
2621 *s != '\n' && *s != '\r' && *s != '\b' &&
2622 *s != '\t' && *s != '\f' && *s != 27)
2627 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2635 return pp_fttext(ARGS);
2650 if (!tmps || !*tmps) {
2651 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
2653 tmps = SvPV(*svp, PL_na);
2655 if (!tmps || !*tmps) {
2656 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
2658 tmps = SvPV(*svp, PL_na);
2661 if (!tmps || !*tmps) {
2662 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
2664 tmps = SvPV(*svp, PL_na);
2667 TAINT_PROPER("chdir");
2668 PUSHi( PerlDir_chdir(tmps) >= 0 );
2670 /* Clear the DEFAULT element of ENV so we'll get the new value
2672 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
2679 djSP; dMARK; dTARGET;
2682 value = (I32)apply(PL_op->op_type, MARK, SP);
2687 DIE(no_func, "Unsupported function chown");
2697 TAINT_PROPER("chroot");
2698 PUSHi( chroot(tmps) >= 0 );
2701 DIE(no_func, "chroot");
2707 djSP; dMARK; dTARGET;
2709 value = (I32)apply(PL_op->op_type, MARK, SP);
2717 djSP; dMARK; dTARGET;
2719 value = (I32)apply(PL_op->op_type, MARK, SP);
2727 djSP; dMARK; dTARGET;
2729 value = (I32)apply(PL_op->op_type, MARK, SP);
2741 char *tmps = SvPV(TOPs, PL_na);
2742 TAINT_PROPER("rename");
2744 anum = PerlLIO_rename(tmps, tmps2);
2746 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
2747 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2750 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
2751 (void)UNLINK(tmps2);
2752 if (!(anum = link(tmps, tmps2)))
2753 anum = UNLINK(tmps);
2766 char *tmps = SvPV(TOPs, PL_na);
2767 TAINT_PROPER("link");
2768 SETi( link(tmps, tmps2) >= 0 );
2770 DIE(no_func, "Unsupported function link");
2780 char *tmps = SvPV(TOPs, PL_na);
2781 TAINT_PROPER("symlink");
2782 SETi( symlink(tmps, tmps2) >= 0 );
2785 DIE(no_func, "symlink");
2794 char buf[MAXPATHLEN];
2797 #ifndef INCOMPLETE_TAINTS
2801 len = readlink(tmps, buf, sizeof buf);
2809 RETSETUNDEF; /* just pretend it's a normal file */
2813 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2815 dooneliner(cmd, filename)
2819 char *save_filename = filename;
2825 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2826 strcpy(cmdline, cmd);
2827 strcat(cmdline, " ");
2828 for (s = cmdline + strlen(cmdline); *filename; ) {
2833 myfp = PerlProc_popen(cmdline, "r");
2837 SV *tmpsv = sv_newmortal();
2838 /* Need to save/restore 'PL_rs' ?? */
2839 s = sv_gets(tmpsv, myfp, 0);
2840 (void)PerlProc_pclose(myfp);
2844 #ifdef HAS_SYS_ERRLIST
2849 /* you don't see this */
2851 #ifdef HAS_SYS_ERRLIST
2859 if (instr(s, errmsg)) {
2866 #define EACCES EPERM
2868 if (instr(s, "cannot make"))
2869 SETERRNO(EEXIST,RMS$_FEX);
2870 else if (instr(s, "existing file"))
2871 SETERRNO(EEXIST,RMS$_FEX);
2872 else if (instr(s, "ile exists"))
2873 SETERRNO(EEXIST,RMS$_FEX);
2874 else if (instr(s, "non-exist"))
2875 SETERRNO(ENOENT,RMS$_FNF);
2876 else if (instr(s, "does not exist"))
2877 SETERRNO(ENOENT,RMS$_FNF);
2878 else if (instr(s, "not empty"))
2879 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2880 else if (instr(s, "cannot access"))
2881 SETERRNO(EACCES,RMS$_PRV);
2883 SETERRNO(EPERM,RMS$_PRV);
2886 else { /* some mkdirs return no failure indication */
2887 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
2888 if (PL_op->op_type == OP_RMDIR)
2893 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2909 char *tmps = SvPV(TOPs, PL_na);
2911 TAINT_PROPER("mkdir");
2913 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
2915 SETi( dooneliner("mkdir", tmps) );
2916 oldumask = PerlLIO_umask(0);
2917 PerlLIO_umask(oldumask);
2918 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
2929 TAINT_PROPER("rmdir");
2931 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
2933 XPUSHi( dooneliner("rmdir", tmps) );
2938 /* Directory calls. */
2943 #if defined(Direntry_t) && defined(HAS_READDIR)
2944 char *dirname = POPp;
2946 register IO *io = GvIOn(gv);
2952 PerlDir_close(IoDIRP(io));
2953 if (!(IoDIRP(io) = PerlDir_open(dirname)))
2959 SETERRNO(EBADF,RMS$_DIR);
2962 DIE(no_dir_func, "opendir");
2969 #if defined(Direntry_t) && defined(HAS_READDIR)
2971 Direntry_t *readdir _((DIR *));
2973 register Direntry_t *dp;
2975 register IO *io = GvIOn(gv);
2978 if (!io || !IoDIRP(io))
2981 if (GIMME == G_ARRAY) {
2983 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
2985 sv = newSVpv(dp->d_name, dp->d_namlen);
2987 sv = newSVpv(dp->d_name, 0);
2989 #ifndef INCOMPLETE_TAINTS
2992 XPUSHs(sv_2mortal(sv));
2996 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
2999 sv = newSVpv(dp->d_name, dp->d_namlen);
3001 sv = newSVpv(dp->d_name, 0);
3003 #ifndef INCOMPLETE_TAINTS
3006 XPUSHs(sv_2mortal(sv));
3012 SETERRNO(EBADF,RMS$_ISI);
3013 if (GIMME == G_ARRAY)
3018 DIE(no_dir_func, "readdir");
3025 #if defined(HAS_TELLDIR) || defined(telldir)
3026 # ifdef NEED_TELLDIR_PROTO /* XXX does _anyone_ need this? --AD 2/20/1998 */
3027 long telldir _((DIR *));
3030 register IO *io = GvIOn(gv);
3032 if (!io || !IoDIRP(io))
3035 PUSHi( PerlDir_tell(IoDIRP(io)) );
3039 SETERRNO(EBADF,RMS$_ISI);
3042 DIE(no_dir_func, "telldir");
3049 #if defined(HAS_SEEKDIR) || defined(seekdir)
3052 register IO *io = GvIOn(gv);
3054 if (!io || !IoDIRP(io))
3057 (void)PerlDir_seek(IoDIRP(io), along);
3062 SETERRNO(EBADF,RMS$_ISI);
3065 DIE(no_dir_func, "seekdir");
3072 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3074 register IO *io = GvIOn(gv);
3076 if (!io || !IoDIRP(io))
3079 (void)PerlDir_rewind(IoDIRP(io));
3083 SETERRNO(EBADF,RMS$_ISI);
3086 DIE(no_dir_func, "rewinddir");
3093 #if defined(Direntry_t) && defined(HAS_READDIR)
3095 register IO *io = GvIOn(gv);
3097 if (!io || !IoDIRP(io))
3100 #ifdef VOID_CLOSEDIR
3101 PerlDir_close(IoDIRP(io));
3103 if (PerlDir_close(IoDIRP(io)) < 0) {
3104 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3113 SETERRNO(EBADF,RMS$_IFI);
3116 DIE(no_dir_func, "closedir");
3120 /* Process control. */
3135 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3136 sv_setiv(GvSV(tmpgv), (IV)getpid());
3137 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3142 DIE(no_func, "Unsupported function fork");
3148 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3153 childpid = wait4pid(-1, &argflags, 0);
3154 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3158 DIE(no_func, "Unsupported function wait");
3164 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3172 childpid = wait4pid(childpid, &argflags, optype);
3173 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3177 DIE(no_func, "Unsupported function waitpid");
3183 djSP; dMARK; dORIGMARK; dTARGET;
3188 Sigsave_t ihand,qhand; /* place to save signals during system() */
3190 if (SP - MARK == 1) {
3192 char *junk = SvPV(TOPs, PL_na);
3194 TAINT_PROPER("system");
3197 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3198 while ((childpid = vfork()) == -1) {
3199 if (errno != EAGAIN) {
3208 rsignal_save(SIGINT, SIG_IGN, &ihand);
3209 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3211 result = wait4pid(childpid, &status, 0);
3212 } while (result == -1 && errno == EINTR);
3213 (void)rsignal_restore(SIGINT, &ihand);
3214 (void)rsignal_restore(SIGQUIT, &qhand);
3215 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3216 do_execfree(); /* free any memory child malloced on vfork */
3218 PUSHi(STATUS_CURRENT);
3221 if (PL_op->op_flags & OPf_STACKED) {
3222 SV *really = *++MARK;
3223 value = (I32)do_aexec(really, MARK, SP);
3225 else if (SP - MARK != 1)
3226 value = (I32)do_aexec(Nullsv, MARK, SP);
3228 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3231 #else /* ! FORK or VMS or OS/2 */
3232 if (PL_op->op_flags & OPf_STACKED) {
3233 SV *really = *++MARK;
3234 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3236 else if (SP - MARK != 1)
3237 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3239 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), PL_na));
3241 STATUS_NATIVE_SET(value);
3244 PUSHi(STATUS_CURRENT);
3245 #endif /* !FORK or VMS */
3251 djSP; dMARK; dORIGMARK; dTARGET;
3254 if (PL_op->op_flags & OPf_STACKED) {
3255 SV *really = *++MARK;
3256 value = (I32)do_aexec(really, MARK, SP);
3258 else if (SP - MARK != 1)
3260 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3262 value = (I32)do_aexec(Nullsv, MARK, SP);
3266 char *junk = SvPV(*SP, PL_na);
3268 TAINT_PROPER("exec");
3271 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3273 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3283 djSP; dMARK; dTARGET;
3286 value = (I32)apply(PL_op->op_type, MARK, SP);
3291 DIE(no_func, "Unsupported function kill");
3299 XPUSHi( getppid() );
3302 DIE(no_func, "getppid");
3318 value = (I32)BSD_GETPGRP(pid);
3320 if (pid != 0 && pid != getpid())
3321 DIE("POSIX getpgrp can't take an argument");
3322 value = (I32)getpgrp();
3327 DIE(no_func, "getpgrp()");
3346 TAINT_PROPER("setpgrp");
3348 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3350 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3351 DIE("POSIX setpgrp can't take an argument");
3352 SETi( setpgrp() >= 0 );
3353 #endif /* USE_BSDPGRP */
3356 DIE(no_func, "setpgrp()");
3365 #ifdef HAS_GETPRIORITY
3368 SETi( getpriority(which, who) );
3371 DIE(no_func, "getpriority()");
3381 #ifdef HAS_SETPRIORITY
3385 TAINT_PROPER("setpriority");
3386 SETi( setpriority(which, who, niceval) >= 0 );
3389 DIE(no_func, "setpriority()");
3399 XPUSHn( time(Null(Time_t*)) );
3401 XPUSHi( time(Null(Time_t*)) );
3406 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3407 to HZ. Probably. For now, assume that if the system
3408 defines HZ, it does so correctly. (Will this break
3410 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3411 it's supported. --AD 9/96.
3427 DIE("times not implemented");
3432 (void)PerlProc_times(&PL_timesbuf);
3434 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3435 /* struct tms, though same data */
3439 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_utime)/HZ)));
3440 if (GIMME == G_ARRAY) {
3441 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_stime)/HZ)));
3442 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cutime)/HZ)));
3443 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cstime)/HZ)));
3446 #endif /* HAS_TIMES */
3451 return pp_gmtime(ARGS);
3459 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3460 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3461 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3467 when = (Time_t)SvNVx(POPs);
3469 when = (Time_t)SvIVx(POPs);
3472 if (PL_op->op_type == OP_LOCALTIME)
3473 tmbuf = localtime(&when);
3475 tmbuf = gmtime(&when);
3479 if (GIMME != G_ARRAY) {
3484 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3485 dayname[tmbuf->tm_wday],
3486 monname[tmbuf->tm_mon],
3491 tmbuf->tm_year + 1900);
3492 PUSHs(sv_2mortal(tsv));
3495 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3496 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3497 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3498 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3499 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3500 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3501 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3502 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3503 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3514 anum = alarm((unsigned int)anum);
3521 DIE(no_func, "Unsupported function alarm");
3532 (void)time(&lasttime);
3537 PerlProc_sleep((unsigned int)duration);
3540 XPUSHi(when - lasttime);
3544 /* Shared memory. */
3548 return pp_semget(ARGS);
3553 return pp_semctl(ARGS);
3558 return pp_shmwrite(ARGS);
3563 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3564 djSP; dMARK; dTARGET;
3565 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3570 return pp_semget(ARGS);
3574 /* Message passing. */
3578 return pp_semget(ARGS);
3583 return pp_semctl(ARGS);
3588 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3589 djSP; dMARK; dTARGET;
3590 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3595 return pp_semget(ARGS);
3601 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3602 djSP; dMARK; dTARGET;
3603 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3608 return pp_semget(ARGS);
3616 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3617 djSP; dMARK; dTARGET;
3618 int anum = do_ipcget(PL_op->op_type, MARK, SP);
3625 DIE("System V IPC is not implemented on this machine");
3631 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3632 djSP; dMARK; dTARGET;
3633 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
3641 PUSHp(zero_but_true, ZBTLEN);
3645 return pp_semget(ARGS);
3651 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3652 djSP; dMARK; dTARGET;
3653 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3658 return pp_semget(ARGS);
3662 /* Get system info. */
3666 #ifdef HAS_GETHOSTBYNAME
3667 return pp_ghostent(ARGS);
3669 DIE(no_sock_func, "gethostbyname");
3675 #ifdef HAS_GETHOSTBYADDR
3676 return pp_ghostent(ARGS);
3678 DIE(no_sock_func, "gethostbyaddr");
3685 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
3686 I32 which = PL_op->op_type;
3687 register char **elem;
3689 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
3690 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
3691 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
3692 struct hostent *PerlSock_gethostent(void);
3694 struct hostent *hent;
3698 if (which == OP_GHBYNAME)
3699 #ifdef HAS_GETHOSTBYNAME
3700 hent = PerlSock_gethostbyname(POPp);
3702 DIE(no_sock_func, "gethostbyname");
3704 else if (which == OP_GHBYADDR) {
3705 #ifdef HAS_GETHOSTBYADDR
3706 int addrtype = POPi;
3709 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
3711 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
3713 DIE(no_sock_func, "gethostbyaddr");
3717 #ifdef HAS_GETHOSTENT
3718 hent = PerlSock_gethostent();
3720 DIE(no_sock_func, "gethostent");
3723 #ifdef HOST_NOT_FOUND
3725 STATUS_NATIVE_SET(h_errno);
3728 if (GIMME != G_ARRAY) {
3729 PUSHs(sv = sv_newmortal());
3731 if (which == OP_GHBYNAME) {
3733 sv_setpvn(sv, hent->h_addr, hent->h_length);
3736 sv_setpv(sv, (char*)hent->h_name);
3742 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3743 sv_setpv(sv, (char*)hent->h_name);
3744 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3745 for (elem = hent->h_aliases; elem && *elem; elem++) {
3746 sv_catpv(sv, *elem);
3748 sv_catpvn(sv, " ", 1);
3750 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3751 sv_setiv(sv, (IV)hent->h_addrtype);
3752 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3753 len = hent->h_length;
3754 sv_setiv(sv, (IV)len);
3756 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3757 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
3758 sv_setpvn(sv, *elem, len);
3761 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3763 sv_setpvn(sv, hent->h_addr, len);
3768 DIE(no_sock_func, "gethostent");
3774 #ifdef HAS_GETNETBYNAME
3775 return pp_gnetent(ARGS);
3777 DIE(no_sock_func, "getnetbyname");
3783 #ifdef HAS_GETNETBYADDR
3784 return pp_gnetent(ARGS);
3786 DIE(no_sock_func, "getnetbyaddr");
3793 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
3794 I32 which = PL_op->op_type;
3795 register char **elem;
3797 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
3798 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
3799 struct netent *PerlSock_getnetbyname(Netdb_name_t);
3800 struct netent *PerlSock_getnetent(void);
3802 struct netent *nent;
3804 if (which == OP_GNBYNAME)
3805 #ifdef HAS_GETNETBYNAME
3806 nent = PerlSock_getnetbyname(POPp);
3808 DIE(no_sock_func, "getnetbyname");
3810 else if (which == OP_GNBYADDR) {
3811 #ifdef HAS_GETNETBYADDR
3812 int addrtype = POPi;
3813 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
3814 nent = PerlSock_getnetbyaddr(addr, addrtype);
3816 DIE(no_sock_func, "getnetbyaddr");
3820 #ifdef HAS_GETNETENT
3821 nent = PerlSock_getnetent();
3823 DIE(no_sock_func, "getnetent");
3827 if (GIMME != G_ARRAY) {
3828 PUSHs(sv = sv_newmortal());
3830 if (which == OP_GNBYNAME)
3831 sv_setiv(sv, (IV)nent->n_net);
3833 sv_setpv(sv, nent->n_name);
3839 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3840 sv_setpv(sv, nent->n_name);
3841 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3842 for (elem = nent->n_aliases; elem && *elem; elem++) {
3843 sv_catpv(sv, *elem);
3845 sv_catpvn(sv, " ", 1);
3847 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3848 sv_setiv(sv, (IV)nent->n_addrtype);
3849 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3850 sv_setiv(sv, (IV)nent->n_net);
3855 DIE(no_sock_func, "getnetent");
3861 #ifdef HAS_GETPROTOBYNAME
3862 return pp_gprotoent(ARGS);
3864 DIE(no_sock_func, "getprotobyname");
3870 #ifdef HAS_GETPROTOBYNUMBER
3871 return pp_gprotoent(ARGS);
3873 DIE(no_sock_func, "getprotobynumber");
3880 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
3881 I32 which = PL_op->op_type;
3882 register char **elem;
3884 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
3885 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
3886 struct protoent *PerlSock_getprotobynumber(int);
3887 struct protoent *PerlSock_getprotoent(void);
3889 struct protoent *pent;
3891 if (which == OP_GPBYNAME)
3892 #ifdef HAS_GETPROTOBYNAME
3893 pent = PerlSock_getprotobyname(POPp);
3895 DIE(no_sock_func, "getprotobyname");
3897 else if (which == OP_GPBYNUMBER)
3898 #ifdef HAS_GETPROTOBYNUMBER
3899 pent = PerlSock_getprotobynumber(POPi);
3901 DIE(no_sock_func, "getprotobynumber");
3904 #ifdef HAS_GETPROTOENT
3905 pent = PerlSock_getprotoent();
3907 DIE(no_sock_func, "getprotoent");
3911 if (GIMME != G_ARRAY) {
3912 PUSHs(sv = sv_newmortal());
3914 if (which == OP_GPBYNAME)
3915 sv_setiv(sv, (IV)pent->p_proto);
3917 sv_setpv(sv, pent->p_name);
3923 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3924 sv_setpv(sv, pent->p_name);
3925 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3926 for (elem = pent->p_aliases; elem && *elem; elem++) {
3927 sv_catpv(sv, *elem);
3929 sv_catpvn(sv, " ", 1);
3931 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3932 sv_setiv(sv, (IV)pent->p_proto);
3937 DIE(no_sock_func, "getprotoent");
3943 #ifdef HAS_GETSERVBYNAME
3944 return pp_gservent(ARGS);
3946 DIE(no_sock_func, "getservbyname");
3952 #ifdef HAS_GETSERVBYPORT
3953 return pp_gservent(ARGS);
3955 DIE(no_sock_func, "getservbyport");
3962 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
3963 I32 which = PL_op->op_type;
3964 register char **elem;
3966 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
3967 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
3968 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
3969 struct servent *PerlSock_getservent(void);
3971 struct servent *sent;
3973 if (which == OP_GSBYNAME) {
3974 #ifdef HAS_GETSERVBYNAME
3978 if (proto && !*proto)
3981 sent = PerlSock_getservbyname(name, proto);
3983 DIE(no_sock_func, "getservbyname");
3986 else if (which == OP_GSBYPORT) {
3987 #ifdef HAS_GETSERVBYPORT
3989 unsigned short port = POPu;
3992 port = PerlSock_htons(port);
3994 sent = PerlSock_getservbyport(port, proto);
3996 DIE(no_sock_func, "getservbyport");
4000 #ifdef HAS_GETSERVENT
4001 sent = PerlSock_getservent();
4003 DIE(no_sock_func, "getservent");
4007 if (GIMME != G_ARRAY) {
4008 PUSHs(sv = sv_newmortal());
4010 if (which == OP_GSBYNAME) {
4012 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4014 sv_setiv(sv, (IV)(sent->s_port));
4018 sv_setpv(sv, sent->s_name);
4024 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4025 sv_setpv(sv, sent->s_name);
4026 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4027 for (elem = sent->s_aliases; elem && *elem; elem++) {
4028 sv_catpv(sv, *elem);
4030 sv_catpvn(sv, " ", 1);
4032 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4034 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4036 sv_setiv(sv, (IV)(sent->s_port));
4038 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4039 sv_setpv(sv, sent->s_proto);
4044 DIE(no_sock_func, "getservent");
4051 #ifdef HAS_SETHOSTENT
4052 PerlSock_sethostent(TOPi);
4055 DIE(no_sock_func, "sethostent");
4062 #ifdef HAS_SETNETENT
4063 PerlSock_setnetent(TOPi);
4066 DIE(no_sock_func, "setnetent");
4073 #ifdef HAS_SETPROTOENT
4074 PerlSock_setprotoent(TOPi);
4077 DIE(no_sock_func, "setprotoent");
4084 #ifdef HAS_SETSERVENT
4085 PerlSock_setservent(TOPi);
4088 DIE(no_sock_func, "setservent");
4095 #ifdef HAS_ENDHOSTENT
4096 PerlSock_endhostent();
4100 DIE(no_sock_func, "endhostent");
4107 #ifdef HAS_ENDNETENT
4108 PerlSock_endnetent();
4112 DIE(no_sock_func, "endnetent");
4119 #ifdef HAS_ENDPROTOENT
4120 PerlSock_endprotoent();
4124 DIE(no_sock_func, "endprotoent");
4131 #ifdef HAS_ENDSERVENT
4132 PerlSock_endservent();
4136 DIE(no_sock_func, "endservent");
4143 return pp_gpwent(ARGS);
4145 DIE(no_func, "getpwnam");
4152 return pp_gpwent(ARGS);
4154 DIE(no_func, "getpwuid");
4161 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4162 I32 which = PL_op->op_type;
4164 struct passwd *pwent;
4166 if (which == OP_GPWNAM)
4167 pwent = getpwnam(POPp);
4168 else if (which == OP_GPWUID)
4169 pwent = getpwuid(POPi);
4171 pwent = (struct passwd *)getpwent();
4174 if (GIMME != G_ARRAY) {
4175 PUSHs(sv = sv_newmortal());
4177 if (which == OP_GPWNAM)
4178 sv_setiv(sv, (IV)pwent->pw_uid);
4180 sv_setpv(sv, pwent->pw_name);
4186 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4187 sv_setpv(sv, pwent->pw_name);
4189 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4191 sv_setpv(sv, pwent->pw_passwd);
4194 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4195 sv_setiv(sv, (IV)pwent->pw_uid);
4197 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4198 sv_setiv(sv, (IV)pwent->pw_gid);
4200 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4201 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4203 sv_setiv(sv, (IV)pwent->pw_change);
4206 sv_setiv(sv, (IV)pwent->pw_quota);
4209 sv_setpv(sv, pwent->pw_age);
4214 /* pw_class and pw_comment are mutually exclusive. */
4215 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4217 sv_setpv(sv, pwent->pw_class);
4220 sv_setpv(sv, pwent->pw_comment);
4224 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4226 sv_setpv(sv, pwent->pw_gecos);
4228 #ifndef INCOMPLETE_TAINTS
4229 /* pw_gecos is tainted because user himself can diddle with it. */
4233 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4234 sv_setpv(sv, pwent->pw_dir);
4236 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4237 sv_setpv(sv, pwent->pw_shell);
4240 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4241 sv_setiv(sv, (IV)pwent->pw_expire);
4246 DIE(no_func, "getpwent");
4253 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4257 DIE(no_func, "setpwent");
4264 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4268 DIE(no_func, "endpwent");
4275 return pp_ggrent(ARGS);
4277 DIE(no_func, "getgrnam");
4284 return pp_ggrent(ARGS);
4286 DIE(no_func, "getgrgid");
4293 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4294 I32 which = PL_op->op_type;
4295 register char **elem;
4297 struct group *grent;
4299 if (which == OP_GGRNAM)
4300 grent = (struct group *)getgrnam(POPp);
4301 else if (which == OP_GGRGID)
4302 grent = (struct group *)getgrgid(POPi);
4304 grent = (struct group *)getgrent();
4307 if (GIMME != G_ARRAY) {
4308 PUSHs(sv = sv_newmortal());
4310 if (which == OP_GGRNAM)
4311 sv_setiv(sv, (IV)grent->gr_gid);
4313 sv_setpv(sv, grent->gr_name);
4319 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4320 sv_setpv(sv, grent->gr_name);
4322 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4324 sv_setpv(sv, grent->gr_passwd);
4327 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4328 sv_setiv(sv, (IV)grent->gr_gid);
4330 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4331 for (elem = grent->gr_mem; elem && *elem; elem++) {
4332 sv_catpv(sv, *elem);
4334 sv_catpvn(sv, " ", 1);
4340 DIE(no_func, "getgrent");
4347 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4351 DIE(no_func, "setgrent");
4358 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4362 DIE(no_func, "endgrent");
4372 if (!(tmps = PerlProc_getlogin()))
4374 PUSHp(tmps, strlen(tmps));
4377 DIE(no_func, "getlogin");
4381 /* Miscellaneous. */
4386 djSP; dMARK; dORIGMARK; dTARGET;
4387 register I32 items = SP - MARK;
4388 unsigned long a[20];
4394 while (++MARK <= SP) {
4395 if (SvTAINTED(*MARK)) {
4401 TAINT_PROPER("syscall");
4404 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4405 * or where sizeof(long) != sizeof(char*). But such machines will
4406 * not likely have syscall implemented either, so who cares?
4408 while (++MARK <= SP) {
4409 if (SvNIOK(*MARK) || !i)
4410 a[i++] = SvIV(*MARK);
4411 else if (*MARK == &PL_sv_undef)
4414 a[i++] = (unsigned long)SvPV_force(*MARK, PL_na);
4420 DIE("Too many args to syscall");
4422 DIE("Too few args to syscall");
4424 retval = syscall(a[0]);
4427 retval = syscall(a[0],a[1]);
4430 retval = syscall(a[0],a[1],a[2]);
4433 retval = syscall(a[0],a[1],a[2],a[3]);
4436 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4439 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4442 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4445 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4449 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4452 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4455 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4459 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4463 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4467 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4468 a[10],a[11],a[12],a[13]);
4470 #endif /* atarist */
4476 DIE(no_func, "syscall");
4480 #ifdef FCNTL_EMULATE_FLOCK
4482 /* XXX Emulate flock() with fcntl().
4483 What's really needed is a good file locking module.
4487 fcntl_emulate_flock(int fd, int operation)
4491 switch (operation & ~LOCK_NB) {
4493 flock.l_type = F_RDLCK;
4496 flock.l_type = F_WRLCK;
4499 flock.l_type = F_UNLCK;
4505 flock.l_whence = SEEK_SET;
4506 flock.l_start = flock.l_len = 0L;
4508 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4511 #endif /* FCNTL_EMULATE_FLOCK */
4513 #ifdef LOCKF_EMULATE_FLOCK
4515 /* XXX Emulate flock() with lockf(). This is just to increase
4516 portability of scripts. The calls are not completely
4517 interchangeable. What's really needed is a good file
4521 /* The lockf() constants might have been defined in <unistd.h>.
4522 Unfortunately, <unistd.h> causes troubles on some mixed
4523 (BSD/POSIX) systems, such as SunOS 4.1.3.
4525 Further, the lockf() constants aren't POSIX, so they might not be
4526 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4527 just stick in the SVID values and be done with it. Sigh.
4531 # define F_ULOCK 0 /* Unlock a previously locked region */
4534 # define F_LOCK 1 /* Lock a region for exclusive use */
4537 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4540 # define F_TEST 3 /* Test a region for other processes locks */
4544 lockf_emulate_flock (fd, operation)
4552 /* flock locks entire file so for lockf we need to do the same */
4554 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4555 if (pos > 0) /* is seekable and needs to be repositioned */
4556 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4557 pos = -1; /* seek failed, so don't seek back afterwards */
4560 switch (operation) {
4562 /* LOCK_SH - get a shared lock */
4564 /* LOCK_EX - get an exclusive lock */
4566 i = lockf (fd, F_LOCK, 0);
4569 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4570 case LOCK_SH|LOCK_NB:
4571 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4572 case LOCK_EX|LOCK_NB:
4573 i = lockf (fd, F_TLOCK, 0);
4575 if ((errno == EAGAIN) || (errno == EACCES))
4576 errno = EWOULDBLOCK;
4579 /* LOCK_UN - unlock (non-blocking is a no-op) */
4581 case LOCK_UN|LOCK_NB:
4582 i = lockf (fd, F_ULOCK, 0);
4585 /* Default - can't decipher operation */
4592 if (pos > 0) /* need to restore position of the handle */
4593 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4598 #endif /* LOCKF_EMULATE_FLOCK */