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;
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)
624 warn("untie attempted while %lu inner references still exist",
625 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
629 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
644 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
645 mg = mg_find(sv, 'P') ;
647 mg = mg_find(sv, 'q') ;
650 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
668 sv = sv_mortalcopy(&PL_sv_no);
669 sv_setpv(sv, "AnyDBM_File");
670 stash = gv_stashsv(sv, FALSE);
671 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
673 perl_require_pv("AnyDBM_File.pm");
675 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
676 DIE("No dbm on this machine");
686 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
688 PUSHs(sv_2mortal(newSViv(O_RDWR)));
691 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
694 if (!sv_isobject(TOPs)) {
699 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
702 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
706 if (sv_isobject(TOPs)) {
707 sv_unmagic((SV *) hv, 'P');
708 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
716 return pp_untie(ARGS);
730 struct timeval timebuf;
731 struct timeval *tbuf = &timebuf;
734 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
739 # if BYTEORDER & 0xf0000
740 # define ORDERBYTE (0x88888888 - BYTEORDER)
742 # define ORDERBYTE (0x4444 - BYTEORDER)
748 for (i = 1; i <= 3; i++) {
756 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
757 /* XXX Configure test needed. */
758 #if defined(__linux__) || defined(OS2) || defined(NeXT) || defined(__osf__) || defined(sun)
759 growsize = sizeof(fd_set);
761 growsize = maxlen; /* little endians can use vecs directly */
770 masksize = NFDBITS / NBBY;
772 masksize = sizeof(long); /* documented int, everyone seems to use long */
774 growsize = maxlen + (masksize - (maxlen % masksize));
775 Zero(&fd_sets[0], 4, char*);
783 timebuf.tv_sec = (long)value;
784 value -= (double)timebuf.tv_sec;
785 timebuf.tv_usec = (long)(value * 1000000.0);
788 tbuf = Null(struct timeval*);
790 for (i = 1; i <= 3; i++) {
797 SvPV_force(sv,PL_na); /* force string conversion */
800 Sv_Grow(sv, growsize);
804 while (++j <= growsize) {
808 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
810 New(403, fd_sets[i], growsize, char);
811 for (offset = 0; offset < growsize; offset += masksize) {
812 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
813 fd_sets[i][j+offset] = s[(k % masksize) + offset];
816 fd_sets[i] = SvPVX(sv);
820 nfound = PerlSock_select(
822 (Select_fd_set_t) fd_sets[1],
823 (Select_fd_set_t) fd_sets[2],
824 (Select_fd_set_t) fd_sets[3],
826 for (i = 1; i <= 3; i++) {
829 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
831 for (offset = 0; offset < growsize; offset += masksize) {
832 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
833 s[(k % masksize) + offset] = fd_sets[i][j+offset];
835 Safefree(fd_sets[i]);
842 if (GIMME == G_ARRAY && tbuf) {
843 value = (double)(timebuf.tv_sec) +
844 (double)(timebuf.tv_usec) / 1000000.0;
845 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
850 DIE("select not implemented");
859 (void)SvREFCNT_inc(gv);
861 SvREFCNT_dec(PL_defoutgv);
871 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
873 egv = GvEGV(PL_defoutgv);
878 XPUSHs(&PL_sv_undef);
880 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
881 if (gvp && *gvp == egv) {
882 gv_efullname3(TARG, PL_defoutgv, Nullch);
886 XPUSHs(sv_2mortal(newRV((SV*)egv)));
891 if (!GvIO(newdefout))
893 setdefout(newdefout);
912 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
918 perl_call_method("GETC", gimme);
921 if (gimme == G_SCALAR)
922 SvSetMagicSV_nosteal(TARG, TOPs);
925 if (!gv || do_eof(gv)) /* make sure we have fp with something */
929 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
936 return pp_sysread(ARGS);
940 doform(CV *cv, GV *gv, OP *retop)
943 register PERL_CONTEXT *cx;
945 AV* padlist = CvPADLIST(cv);
946 SV** svp = AvARRAY(padlist);
952 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
955 PL_curpad = AvARRAY((AV*)svp[1]);
957 setdefout(gv); /* locally select filehandle so $% et al work */
989 SV *tmpsv = sv_newmortal();
990 gv_efullname3(tmpsv, fgv, Nullch);
991 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
993 DIE("Not a format reference");
996 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
998 IoFLAGS(io) &= ~IOf_DIDTOP;
999 return doform(cv,gv,PL_op->op_next);
1005 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1006 register IO *io = GvIOp(gv);
1007 PerlIO *ofp = IoOFP(io);
1011 register PERL_CONTEXT *cx;
1013 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1014 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1015 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1016 PL_formtarget != PL_toptarget)
1020 if (!IoTOP_GV(io)) {
1024 if (!IoTOP_NAME(io)) {
1025 if (!IoFMT_NAME(io))
1026 IoFMT_NAME(io) = savepv(GvNAME(gv));
1027 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1028 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1029 if ((topgv && GvFORM(topgv)) ||
1030 !gv_fetchpv("top",FALSE,SVt_PVFM))
1031 IoTOP_NAME(io) = savepv(SvPVX(topname));
1033 IoTOP_NAME(io) = savepv("top");
1035 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1036 if (!topgv || !GvFORM(topgv)) {
1037 IoLINES_LEFT(io) = 100000000;
1040 IoTOP_GV(io) = topgv;
1042 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1043 I32 lines = IoLINES_LEFT(io);
1044 char *s = SvPVX(PL_formtarget);
1045 if (lines <= 0) /* Yow, header didn't even fit!!! */
1047 while (lines-- > 0) {
1048 s = strchr(s, '\n');
1054 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1055 sv_chop(PL_formtarget, s);
1056 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1059 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1060 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1061 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1063 PL_formtarget = PL_toptarget;
1064 IoFLAGS(io) |= IOf_DIDTOP;
1067 DIE("bad top format reference");
1070 SV *tmpsv = sv_newmortal();
1071 gv_efullname3(tmpsv, fgv, Nullch);
1072 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1075 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1076 return doform(cv,gv,PL_op);
1080 POPBLOCK(cx,PL_curpm);
1088 warn("Filehandle only opened for input");
1090 warn("Write on closed filehandle");
1095 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1097 warn("page overflow");
1099 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1103 FmLINES(PL_formtarget) = 0;
1104 SvCUR_set(PL_formtarget, 0);
1105 *SvEND(PL_formtarget) = '\0';
1106 if (IoFLAGS(io) & IOf_FLUSH)
1107 (void)PerlIO_flush(fp);
1111 PL_formtarget = PL_bodytarget;
1113 return pop_return();
1118 djSP; dMARK; dORIGMARK;
1125 if (PL_op->op_flags & OPf_STACKED)
1130 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1131 if (MARK == ORIGMARK) {
1134 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1141 perl_call_method("PRINTF", G_SCALAR);
1144 MARK = ORIGMARK + 1;
1151 if (!(io = GvIO(gv))) {
1153 gv_fullname3(sv, gv, Nullch);
1154 warn("Filehandle %s never opened", SvPV(sv,PL_na));
1156 SETERRNO(EBADF,RMS$_IFI);
1159 else if (!(fp = IoOFP(io))) {
1161 gv_fullname3(sv, gv, Nullch);
1163 warn("Filehandle %s opened only for input", SvPV(sv,PL_na));
1165 warn("printf on closed filehandle %s", SvPV(sv,PL_na));
1167 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1171 #ifdef USE_LOCALE_NUMERIC
1172 if (PL_op->op_private & OPpLOCALE)
1173 SET_NUMERIC_LOCAL();
1175 SET_NUMERIC_STANDARD();
1177 do_sprintf(sv, SP - MARK, MARK + 1);
1178 if (!do_print(sv, fp))
1181 if (IoFLAGS(io) & IOf_FLUSH)
1182 if (PerlIO_flush(fp) == EOF)
1193 PUSHs(&PL_sv_undef);
1214 tmps = SvPV(sv, len);
1215 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1216 IoLINES(GvIOp(gv)) = 0;
1220 PUSHs(&PL_sv_undef);
1227 djSP; dMARK; dORIGMARK; dTARGET;
1233 Sock_size_t bufsize;
1239 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1240 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1247 perl_call_method("READ", G_SCALAR);
1260 sv_setpvn(bufsv, "", 0);
1261 buffer = SvPV_force(bufsv, blen);
1262 length = SvIVx(*++MARK);
1264 DIE("Negative length");
1267 offset = SvIVx(*++MARK);
1271 if (!io || !IoIFP(io))
1274 if (PL_op->op_type == OP_RECV) {
1275 char namebuf[MAXPATHLEN];
1276 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1277 bufsize = sizeof (struct sockaddr_in);
1279 bufsize = sizeof namebuf;
1281 buffer = SvGROW(bufsv, length+1);
1282 /* 'offset' means 'flags' here */
1283 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1284 (struct sockaddr *)namebuf, &bufsize);
1287 SvCUR_set(bufsv, length);
1288 *SvEND(bufsv) = '\0';
1289 (void)SvPOK_only(bufsv);
1291 /* This should not be marked tainted if the fp is marked clean */
1292 if (!(IoFLAGS(io) & IOf_UNTAINT))
1293 SvTAINTED_on(bufsv);
1295 sv_setpvn(TARG, namebuf, bufsize);
1300 if (PL_op->op_type == OP_RECV)
1301 DIE(no_sock_func, "recv");
1305 DIE("Offset outside string");
1308 bufsize = SvCUR(bufsv);
1309 buffer = SvGROW(bufsv, length+offset+1);
1310 if (offset > bufsize) { /* Zero any newly allocated space */
1311 Zero(buffer+bufsize, offset-bufsize, char);
1313 if (PL_op->op_type == OP_SYSREAD) {
1314 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1317 #ifdef HAS_SOCKET__bad_code_maybe
1318 if (IoTYPE(io) == 's') {
1319 char namebuf[MAXPATHLEN];
1320 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1321 bufsize = sizeof (struct sockaddr_in);
1323 bufsize = sizeof namebuf;
1325 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1326 (struct sockaddr *)namebuf, &bufsize);
1331 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1332 /* fread() returns 0 on both error and EOF */
1333 if (length == 0 && PerlIO_error(IoIFP(io)))
1338 SvCUR_set(bufsv, length+offset);
1339 *SvEND(bufsv) = '\0';
1340 (void)SvPOK_only(bufsv);
1342 /* This should not be marked tainted if the fp is marked clean */
1343 if (!(IoFLAGS(io) & IOf_UNTAINT))
1344 SvTAINTED_on(bufsv);
1356 return pp_send(ARGS);
1361 djSP; dMARK; dORIGMARK; dTARGET;
1372 if (PL_op->op_type == OP_SYSWRITE &&
1373 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1380 perl_call_method("WRITE", G_SCALAR);
1391 buffer = SvPV(bufsv, blen);
1392 length = SvIVx(*++MARK);
1394 DIE("Negative length");
1397 if (!io || !IoIFP(io)) {
1400 if (PL_op->op_type == OP_SYSWRITE)
1401 warn("Syswrite on closed filehandle");
1403 warn("Send on closed socket");
1406 else if (PL_op->op_type == OP_SYSWRITE) {
1408 offset = SvIVx(*++MARK);
1411 DIE("Offset outside string");
1413 } else if (offset >= blen && blen > 0)
1414 DIE("Offset outside string");
1417 if (length > blen - offset)
1418 length = blen - offset;
1419 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1422 else if (SP > MARK) {
1425 sockbuf = SvPVx(*++MARK, mlen);
1426 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1427 (struct sockaddr *)sockbuf, mlen);
1430 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1434 DIE(no_sock_func, "send");
1449 return pp_sysread(ARGS);
1460 gv = PL_last_in_gv = (GV*)POPs;
1461 PUSHs(boolSV(!gv || do_eof(gv)));
1473 gv = PL_last_in_gv = (GV*)POPs;
1474 PUSHi( do_tell(gv) );
1480 return pp_sysseek(ARGS);
1490 gv = PL_last_in_gv = (GV*)POPs;
1491 if (PL_op->op_type == OP_SEEK)
1492 PUSHs(boolSV(do_seek(gv, offset, whence)));
1494 long n = do_sysseek(gv, offset, whence);
1495 PUSHs((n < 0) ? &PL_sv_undef
1496 : sv_2mortal(n ? newSViv((IV)n)
1497 : newSVpv(zero_but_true, ZBTLEN)));
1505 Off_t len = (Off_t)POPn;
1510 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1511 if (PL_op->op_flags & OPf_SPECIAL) {
1512 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1514 TAINT_PROPER("truncate");
1515 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1517 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1519 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1527 if (SvTYPE(sv) == SVt_PVGV) {
1528 tmpgv = (GV*)sv; /* *main::FRED for example */
1531 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1532 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1536 name = SvPV(sv, PL_na);
1537 TAINT_PROPER("truncate");
1539 if (truncate(name, len) < 0)
1544 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1547 if (my_chsize(tmpfd, len) < 0)
1549 PerlLIO_close(tmpfd);
1558 SETERRNO(EBADF,RMS$_IFI);
1561 DIE("truncate not implemented");
1567 return pp_ioctl(ARGS);
1574 unsigned int func = U_I(POPn);
1575 int optype = PL_op->op_type;
1581 if (!io || !argsv || !IoIFP(io)) {
1582 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1586 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1589 s = SvPV_force(argsv, len);
1590 need = IOCPARM_LEN(func);
1592 s = Sv_Grow(argsv, need + 1);
1593 SvCUR_set(argsv, need);
1596 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1599 retval = SvIV(argsv);
1600 s = (char*)retval; /* ouch */
1603 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1605 if (optype == OP_IOCTL)
1607 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1609 DIE("ioctl is not implemented");
1613 #if defined(OS2) && defined(__EMX__)
1614 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1616 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1619 DIE("fcntl is not implemented");
1623 if (s[SvCUR(argsv)] != 17)
1624 DIE("Possible memory corruption: %s overflowed 3rd argument",
1626 s[SvCUR(argsv)] = 0; /* put our null back */
1627 SvSETMAGIC(argsv); /* Assume it has changed */
1636 PUSHp(zero_but_true, ZBTLEN);
1656 fp = IoIFP(GvIOp(gv));
1660 (void)PerlIO_flush(fp);
1661 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1668 DIE(no_func, "flock()");
1680 int protocol = POPi;
1688 SETERRNO(EBADF,LIB$_INVARG);
1694 do_close(gv, FALSE);
1696 TAINT_PROPER("socket");
1697 fd = PerlSock_socket(domain, type, protocol);
1700 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1701 IoOFP(io) = PerlIO_fdopen(fd, "w");
1703 if (!IoIFP(io) || !IoOFP(io)) {
1704 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1705 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1706 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1712 DIE(no_sock_func, "socket");
1719 #ifdef HAS_SOCKETPAIR
1724 int protocol = POPi;
1737 do_close(gv1, FALSE);
1739 do_close(gv2, FALSE);
1741 TAINT_PROPER("socketpair");
1742 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1744 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1745 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1747 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1748 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1750 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1751 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1752 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1753 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1754 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1755 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1756 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1762 DIE(no_sock_func, "socketpair");
1770 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
1771 extern GETPRIVMODE();
1772 extern GETUSERMODE();
1777 register IO *io = GvIOn(gv);
1781 int mpeprivmode = 0;
1784 if (!io || !IoIFP(io))
1787 addr = SvPV(addrsv, len);
1788 TAINT_PROPER("bind");
1789 #ifdef MPE /* Deal with MPE bind() peculiarities */
1790 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
1791 /* The address *MUST* stupidly be zero. */
1792 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
1793 /* PRIV mode is required to bind() to ports < 1024. */
1794 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
1795 ((struct sockaddr_in *)addr)->sin_port > 0) {
1796 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
1801 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
1802 (struct sockaddr *)addr, len) >= 0)
1805 #ifdef MPE /* Switch back to USER mode */
1817 warn("bind() on closed fd");
1818 SETERRNO(EBADF,SS$_IVCHAN);
1821 DIE(no_sock_func, "bind");
1832 register IO *io = GvIOn(gv);
1835 if (!io || !IoIFP(io))
1838 addr = SvPV(addrsv, len);
1839 TAINT_PROPER("connect");
1840 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1847 warn("connect() on closed fd");
1848 SETERRNO(EBADF,SS$_IVCHAN);
1851 DIE(no_sock_func, "connect");
1861 register IO *io = GvIOn(gv);
1863 if (!io || !IoIFP(io))
1866 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1873 warn("listen() on closed fd");
1874 SETERRNO(EBADF,SS$_IVCHAN);
1877 DIE(no_sock_func, "listen");
1889 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1890 Sock_size_t len = sizeof saddr;
1902 if (!gstio || !IoIFP(gstio))
1907 do_close(ngv, FALSE);
1909 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1912 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1913 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1914 IoTYPE(nstio) = 's';
1915 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1916 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1917 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1918 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
1922 PUSHp((char *)&saddr, len);
1927 warn("accept() on closed fd");
1928 SETERRNO(EBADF,SS$_IVCHAN);
1934 DIE(no_sock_func, "accept");
1944 register IO *io = GvIOn(gv);
1946 if (!io || !IoIFP(io))
1949 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1954 warn("shutdown() on closed fd");
1955 SETERRNO(EBADF,SS$_IVCHAN);
1958 DIE(no_sock_func, "shutdown");
1965 return pp_ssockopt(ARGS);
1967 DIE(no_sock_func, "getsockopt");
1975 int optype = PL_op->op_type;
1978 unsigned int optname;
1984 if (optype == OP_GSOCKOPT)
1985 sv = sv_2mortal(NEWSV(22, 257));
1988 optname = (unsigned int) POPi;
1989 lvl = (unsigned int) POPi;
1993 if (!io || !IoIFP(io))
1996 fd = PerlIO_fileno(IoIFP(io));
2000 (void)SvPOK_only(sv);
2004 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2014 buf = SvPV(sv, PL_na);
2018 aint = (int)SvIV(sv);
2022 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2032 warn("[gs]etsockopt() on closed fd");
2033 SETERRNO(EBADF,SS$_IVCHAN);
2038 DIE(no_sock_func, "setsockopt");
2045 return pp_getpeername(ARGS);
2047 DIE(no_sock_func, "getsockname");
2055 int optype = PL_op->op_type;
2059 register IO *io = GvIOn(gv);
2062 if (!io || !IoIFP(io))
2065 sv = sv_2mortal(NEWSV(22, 257));
2066 (void)SvPOK_only(sv);
2070 fd = PerlIO_fileno(IoIFP(io));
2072 case OP_GETSOCKNAME:
2073 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2076 case OP_GETPEERNAME:
2077 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2079 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2081 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2082 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2083 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2084 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2085 sizeof(u_short) + sizeof(struct in_addr))) {
2092 #ifdef BOGUS_GETNAME_RETURN
2093 /* Interactive Unix, getpeername() and getsockname()
2094 does not return valid namelen */
2095 if (len == BOGUS_GETNAME_RETURN)
2096 len = sizeof(struct sockaddr);
2105 warn("get{sock, peer}name() on closed fd");
2106 SETERRNO(EBADF,SS$_IVCHAN);
2111 DIE(no_sock_func, "getpeername");
2119 return pp_stat(ARGS);
2129 if (PL_op->op_flags & OPf_REF) {
2130 tmpgv = cGVOP->op_gv;
2132 if (tmpgv != PL_defgv) {
2133 PL_laststype = OP_STAT;
2135 sv_setpv(PL_statname, "");
2136 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2137 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2139 if (PL_laststatval < 0)
2144 if (SvTYPE(sv) == SVt_PVGV) {
2148 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2149 tmpgv = (GV*)SvRV(sv);
2152 sv_setpv(PL_statname, SvPV(sv,PL_na));
2155 PL_laststype = PL_op->op_type;
2156 if (PL_op->op_type == OP_LSTAT)
2157 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, PL_na), &PL_statcache);
2160 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, PL_na), &PL_statcache);
2161 if (PL_laststatval < 0) {
2162 if (PL_dowarn && strchr(SvPV(PL_statname, PL_na), '\n'))
2163 warn(warn_nl, "stat");
2169 if (gimme != G_ARRAY) {
2170 if (gimme != G_VOID)
2171 XPUSHs(boolSV(max));
2177 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2178 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2179 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2180 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2181 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2182 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2183 #ifdef USE_STAT_RDEV
2184 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2186 PUSHs(sv_2mortal(newSVpv("", 0)));
2188 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2190 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2191 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2192 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2194 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2195 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2196 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2198 #ifdef USE_STAT_BLOCKS
2199 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2200 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2202 PUSHs(sv_2mortal(newSVpv("", 0)));
2203 PUSHs(sv_2mortal(newSVpv("", 0)));
2211 I32 result = my_stat(ARGS);
2215 if (cando(S_IRUSR, 0, &PL_statcache))
2222 I32 result = my_stat(ARGS);
2226 if (cando(S_IWUSR, 0, &PL_statcache))
2233 I32 result = my_stat(ARGS);
2237 if (cando(S_IXUSR, 0, &PL_statcache))
2244 I32 result = my_stat(ARGS);
2248 if (cando(S_IRUSR, 1, &PL_statcache))
2255 I32 result = my_stat(ARGS);
2259 if (cando(S_IWUSR, 1, &PL_statcache))
2266 I32 result = my_stat(ARGS);
2270 if (cando(S_IXUSR, 1, &PL_statcache))
2277 I32 result = my_stat(ARGS);
2286 return pp_ftrowned(ARGS);
2291 I32 result = my_stat(ARGS);
2295 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2302 I32 result = my_stat(ARGS);
2306 if (!PL_statcache.st_size)
2313 I32 result = my_stat(ARGS);
2317 PUSHi(PL_statcache.st_size);
2323 I32 result = my_stat(ARGS);
2327 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2333 I32 result = my_stat(ARGS);
2337 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2343 I32 result = my_stat(ARGS);
2347 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2353 I32 result = my_stat(ARGS);
2357 if (S_ISSOCK(PL_statcache.st_mode))
2364 I32 result = my_stat(ARGS);
2368 if (S_ISCHR(PL_statcache.st_mode))
2375 I32 result = my_stat(ARGS);
2379 if (S_ISBLK(PL_statcache.st_mode))
2386 I32 result = my_stat(ARGS);
2390 if (S_ISREG(PL_statcache.st_mode))
2397 I32 result = my_stat(ARGS);
2401 if (S_ISDIR(PL_statcache.st_mode))
2408 I32 result = my_stat(ARGS);
2412 if (S_ISFIFO(PL_statcache.st_mode))
2419 I32 result = my_lstat(ARGS);
2423 if (S_ISLNK(PL_statcache.st_mode))
2432 I32 result = my_stat(ARGS);
2436 if (PL_statcache.st_mode & S_ISUID)
2446 I32 result = my_stat(ARGS);
2450 if (PL_statcache.st_mode & S_ISGID)
2460 I32 result = my_stat(ARGS);
2464 if (PL_statcache.st_mode & S_ISVTX)
2475 char *tmps = Nullch;
2477 if (PL_op->op_flags & OPf_REF)
2479 else if (isGV(TOPs))
2481 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2482 gv = (GV*)SvRV(POPs);
2484 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2486 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2487 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2488 else if (tmps && isDIGIT(*tmps))
2492 if (PerlLIO_isatty(fd))
2497 #if defined(atarist) /* this will work with atariST. Configure will
2498 make guesses for other systems. */
2499 # define FILE_base(f) ((f)->_base)
2500 # define FILE_ptr(f) ((f)->_ptr)
2501 # define FILE_cnt(f) ((f)->_cnt)
2502 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2512 register STDCHAR *s;
2517 if (PL_op->op_flags & OPf_REF)
2519 else if (isGV(TOPs))
2521 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2522 gv = (GV*)SvRV(POPs);
2528 if (gv == PL_defgv) {
2530 io = GvIO(PL_statgv);
2533 goto really_filename;
2538 PL_laststatval = -1;
2539 sv_setpv(PL_statname, "");
2540 io = GvIO(PL_statgv);
2542 if (io && IoIFP(io)) {
2543 if (! PerlIO_has_base(IoIFP(io)))
2544 DIE("-T and -B not implemented on filehandles");
2545 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2546 if (PL_laststatval < 0)
2548 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2549 if (PL_op->op_type == OP_FTTEXT)
2553 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2554 i = PerlIO_getc(IoIFP(io));
2556 (void)PerlIO_ungetc(IoIFP(io),i);
2558 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2560 len = PerlIO_get_bufsiz(IoIFP(io));
2561 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2562 /* sfio can have large buffers - limit to 512 */
2568 warn("Test on unopened file <%s>",
2569 GvENAME(cGVOP->op_gv));
2570 SETERRNO(EBADF,RMS$_IFI);
2578 PL_laststatval = -1;
2579 sv_setpv(PL_statname, SvPV(sv, PL_na));
2581 i = PerlLIO_open3(SvPV(sv, PL_na), O_RDONLY, 0);
2583 i = PerlLIO_open(SvPV(sv, PL_na), 0);
2586 if (PL_dowarn && strchr(SvPV(sv, PL_na), '\n'))
2587 warn(warn_nl, "open");
2590 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2591 if (PL_laststatval < 0)
2593 len = PerlLIO_read(i, tbuf, 512);
2594 (void)PerlLIO_close(i);
2596 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2597 RETPUSHNO; /* special case NFS directories */
2598 RETPUSHYES; /* null file is anything */
2603 /* now scan s to look for textiness */
2604 /* XXX ASCII dependent code */
2606 for (i = 0; i < len; i++, s++) {
2607 if (!*s) { /* null never allowed in text */
2612 else if (!(isPRINT(*s) || isSPACE(*s)))
2618 *s != '\n' && *s != '\r' && *s != '\b' &&
2619 *s != '\t' && *s != '\f' && *s != 27)
2624 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2632 return pp_fttext(ARGS);
2647 if (!tmps || !*tmps) {
2648 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
2650 tmps = SvPV(*svp, PL_na);
2652 if (!tmps || !*tmps) {
2653 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
2655 tmps = SvPV(*svp, PL_na);
2658 if (!tmps || !*tmps) {
2659 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
2661 tmps = SvPV(*svp, PL_na);
2664 TAINT_PROPER("chdir");
2665 PUSHi( PerlDir_chdir(tmps) >= 0 );
2667 /* Clear the DEFAULT element of ENV so we'll get the new value
2669 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
2676 djSP; dMARK; dTARGET;
2679 value = (I32)apply(PL_op->op_type, MARK, SP);
2684 DIE(no_func, "Unsupported function chown");
2694 TAINT_PROPER("chroot");
2695 PUSHi( chroot(tmps) >= 0 );
2698 DIE(no_func, "chroot");
2704 djSP; dMARK; dTARGET;
2706 value = (I32)apply(PL_op->op_type, MARK, SP);
2714 djSP; dMARK; dTARGET;
2716 value = (I32)apply(PL_op->op_type, MARK, SP);
2724 djSP; dMARK; dTARGET;
2726 value = (I32)apply(PL_op->op_type, MARK, SP);
2738 char *tmps = SvPV(TOPs, PL_na);
2739 TAINT_PROPER("rename");
2741 anum = PerlLIO_rename(tmps, tmps2);
2743 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
2744 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2747 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
2748 (void)UNLINK(tmps2);
2749 if (!(anum = link(tmps, tmps2)))
2750 anum = UNLINK(tmps);
2763 char *tmps = SvPV(TOPs, PL_na);
2764 TAINT_PROPER("link");
2765 SETi( link(tmps, tmps2) >= 0 );
2767 DIE(no_func, "Unsupported function link");
2777 char *tmps = SvPV(TOPs, PL_na);
2778 TAINT_PROPER("symlink");
2779 SETi( symlink(tmps, tmps2) >= 0 );
2782 DIE(no_func, "symlink");
2791 char buf[MAXPATHLEN];
2794 #ifndef INCOMPLETE_TAINTS
2798 len = readlink(tmps, buf, sizeof buf);
2806 RETSETUNDEF; /* just pretend it's a normal file */
2810 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2812 dooneliner(cmd, filename)
2816 char *save_filename = filename;
2822 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2823 strcpy(cmdline, cmd);
2824 strcat(cmdline, " ");
2825 for (s = cmdline + strlen(cmdline); *filename; ) {
2830 myfp = PerlProc_popen(cmdline, "r");
2834 SV *tmpsv = sv_newmortal();
2835 /* Need to save/restore 'PL_rs' ?? */
2836 s = sv_gets(tmpsv, myfp, 0);
2837 (void)PerlProc_pclose(myfp);
2841 #ifdef HAS_SYS_ERRLIST
2846 /* you don't see this */
2848 #ifdef HAS_SYS_ERRLIST
2856 if (instr(s, errmsg)) {
2863 #define EACCES EPERM
2865 if (instr(s, "cannot make"))
2866 SETERRNO(EEXIST,RMS$_FEX);
2867 else if (instr(s, "existing file"))
2868 SETERRNO(EEXIST,RMS$_FEX);
2869 else if (instr(s, "ile exists"))
2870 SETERRNO(EEXIST,RMS$_FEX);
2871 else if (instr(s, "non-exist"))
2872 SETERRNO(ENOENT,RMS$_FNF);
2873 else if (instr(s, "does not exist"))
2874 SETERRNO(ENOENT,RMS$_FNF);
2875 else if (instr(s, "not empty"))
2876 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2877 else if (instr(s, "cannot access"))
2878 SETERRNO(EACCES,RMS$_PRV);
2880 SETERRNO(EPERM,RMS$_PRV);
2883 else { /* some mkdirs return no failure indication */
2884 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
2885 if (PL_op->op_type == OP_RMDIR)
2890 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2906 char *tmps = SvPV(TOPs, PL_na);
2908 TAINT_PROPER("mkdir");
2910 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
2912 SETi( dooneliner("mkdir", tmps) );
2913 oldumask = PerlLIO_umask(0);
2914 PerlLIO_umask(oldumask);
2915 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
2926 TAINT_PROPER("rmdir");
2928 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
2930 XPUSHi( dooneliner("rmdir", tmps) );
2935 /* Directory calls. */
2940 #if defined(Direntry_t) && defined(HAS_READDIR)
2941 char *dirname = POPp;
2943 register IO *io = GvIOn(gv);
2949 PerlDir_close(IoDIRP(io));
2950 if (!(IoDIRP(io) = PerlDir_open(dirname)))
2956 SETERRNO(EBADF,RMS$_DIR);
2959 DIE(no_dir_func, "opendir");
2966 #if defined(Direntry_t) && defined(HAS_READDIR)
2968 Direntry_t *readdir _((DIR *));
2970 register Direntry_t *dp;
2972 register IO *io = GvIOn(gv);
2975 if (!io || !IoDIRP(io))
2978 if (GIMME == G_ARRAY) {
2980 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
2982 sv = newSVpv(dp->d_name, dp->d_namlen);
2984 sv = newSVpv(dp->d_name, 0);
2986 #ifndef INCOMPLETE_TAINTS
2989 XPUSHs(sv_2mortal(sv));
2993 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
2996 sv = newSVpv(dp->d_name, dp->d_namlen);
2998 sv = newSVpv(dp->d_name, 0);
3000 #ifndef INCOMPLETE_TAINTS
3003 XPUSHs(sv_2mortal(sv));
3009 SETERRNO(EBADF,RMS$_ISI);
3010 if (GIMME == G_ARRAY)
3015 DIE(no_dir_func, "readdir");
3022 #if defined(HAS_TELLDIR) || defined(telldir)
3023 # ifdef NEED_TELLDIR_PROTO /* XXX does _anyone_ need this? --AD 2/20/1998 */
3024 long telldir _((DIR *));
3027 register IO *io = GvIOn(gv);
3029 if (!io || !IoDIRP(io))
3032 PUSHi( PerlDir_tell(IoDIRP(io)) );
3036 SETERRNO(EBADF,RMS$_ISI);
3039 DIE(no_dir_func, "telldir");
3046 #if defined(HAS_SEEKDIR) || defined(seekdir)
3049 register IO *io = GvIOn(gv);
3051 if (!io || !IoDIRP(io))
3054 (void)PerlDir_seek(IoDIRP(io), along);
3059 SETERRNO(EBADF,RMS$_ISI);
3062 DIE(no_dir_func, "seekdir");
3069 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3071 register IO *io = GvIOn(gv);
3073 if (!io || !IoDIRP(io))
3076 (void)PerlDir_rewind(IoDIRP(io));
3080 SETERRNO(EBADF,RMS$_ISI);
3083 DIE(no_dir_func, "rewinddir");
3090 #if defined(Direntry_t) && defined(HAS_READDIR)
3092 register IO *io = GvIOn(gv);
3094 if (!io || !IoDIRP(io))
3097 #ifdef VOID_CLOSEDIR
3098 PerlDir_close(IoDIRP(io));
3100 if (PerlDir_close(IoDIRP(io)) < 0) {
3101 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3110 SETERRNO(EBADF,RMS$_IFI);
3113 DIE(no_dir_func, "closedir");
3117 /* Process control. */
3132 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3133 sv_setiv(GvSV(tmpgv), (IV)getpid());
3134 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3139 DIE(no_func, "Unsupported function fork");
3145 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3150 childpid = wait4pid(-1, &argflags, 0);
3151 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3155 DIE(no_func, "Unsupported function wait");
3161 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3169 childpid = wait4pid(childpid, &argflags, optype);
3170 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3174 DIE(no_func, "Unsupported function waitpid");
3180 djSP; dMARK; dORIGMARK; dTARGET;
3185 Sigsave_t ihand,qhand; /* place to save signals during system() */
3187 if (SP - MARK == 1) {
3189 char *junk = SvPV(TOPs, PL_na);
3191 TAINT_PROPER("system");
3194 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3195 while ((childpid = vfork()) == -1) {
3196 if (errno != EAGAIN) {
3205 rsignal_save(SIGINT, SIG_IGN, &ihand);
3206 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3208 result = wait4pid(childpid, &status, 0);
3209 } while (result == -1 && errno == EINTR);
3210 (void)rsignal_restore(SIGINT, &ihand);
3211 (void)rsignal_restore(SIGQUIT, &qhand);
3212 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3213 do_execfree(); /* free any memory child malloced on vfork */
3215 PUSHi(STATUS_CURRENT);
3218 if (PL_op->op_flags & OPf_STACKED) {
3219 SV *really = *++MARK;
3220 value = (I32)do_aexec(really, MARK, SP);
3222 else if (SP - MARK != 1)
3223 value = (I32)do_aexec(Nullsv, MARK, SP);
3225 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3228 #else /* ! FORK or VMS or OS/2 */
3229 if (PL_op->op_flags & OPf_STACKED) {
3230 SV *really = *++MARK;
3231 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3233 else if (SP - MARK != 1)
3234 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3236 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), PL_na));
3238 STATUS_NATIVE_SET(value);
3241 PUSHi(STATUS_CURRENT);
3242 #endif /* !FORK or VMS */
3248 djSP; dMARK; dORIGMARK; dTARGET;
3251 if (PL_op->op_flags & OPf_STACKED) {
3252 SV *really = *++MARK;
3253 value = (I32)do_aexec(really, MARK, SP);
3255 else if (SP - MARK != 1)
3257 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3259 value = (I32)do_aexec(Nullsv, MARK, SP);
3263 char *junk = SvPV(*SP, PL_na);
3265 TAINT_PROPER("exec");
3268 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3270 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3280 djSP; dMARK; dTARGET;
3283 value = (I32)apply(PL_op->op_type, MARK, SP);
3288 DIE(no_func, "Unsupported function kill");
3296 XPUSHi( getppid() );
3299 DIE(no_func, "getppid");
3315 value = (I32)BSD_GETPGRP(pid);
3317 if (pid != 0 && pid != getpid())
3318 DIE("POSIX getpgrp can't take an argument");
3319 value = (I32)getpgrp();
3324 DIE(no_func, "getpgrp()");
3343 TAINT_PROPER("setpgrp");
3345 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3347 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3348 DIE("POSIX setpgrp can't take an argument");
3349 SETi( setpgrp() >= 0 );
3350 #endif /* USE_BSDPGRP */
3353 DIE(no_func, "setpgrp()");
3362 #ifdef HAS_GETPRIORITY
3365 SETi( getpriority(which, who) );
3368 DIE(no_func, "getpriority()");
3378 #ifdef HAS_SETPRIORITY
3382 TAINT_PROPER("setpriority");
3383 SETi( setpriority(which, who, niceval) >= 0 );
3386 DIE(no_func, "setpriority()");
3396 XPUSHn( time(Null(Time_t*)) );
3398 XPUSHi( time(Null(Time_t*)) );
3403 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3404 to HZ. Probably. For now, assume that if the system
3405 defines HZ, it does so correctly. (Will this break
3407 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3408 it's supported. --AD 9/96.
3424 DIE("times not implemented");
3429 (void)PerlProc_times(&PL_timesbuf);
3431 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3432 /* struct tms, though same data */
3436 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_utime)/HZ)));
3437 if (GIMME == G_ARRAY) {
3438 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_stime)/HZ)));
3439 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cutime)/HZ)));
3440 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cstime)/HZ)));
3443 #endif /* HAS_TIMES */
3448 return pp_gmtime(ARGS);
3456 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3457 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3458 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3464 when = (Time_t)SvNVx(POPs);
3466 when = (Time_t)SvIVx(POPs);
3469 if (PL_op->op_type == OP_LOCALTIME)
3470 tmbuf = localtime(&when);
3472 tmbuf = gmtime(&when);
3476 if (GIMME != G_ARRAY) {
3481 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3482 dayname[tmbuf->tm_wday],
3483 monname[tmbuf->tm_mon],
3488 tmbuf->tm_year + 1900);
3489 PUSHs(sv_2mortal(tsv));
3492 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3493 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3494 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3495 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3496 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3497 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3498 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3499 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3500 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3511 anum = alarm((unsigned int)anum);
3518 DIE(no_func, "Unsupported function alarm");
3529 (void)time(&lasttime);
3534 PerlProc_sleep((unsigned int)duration);
3537 XPUSHi(when - lasttime);
3541 /* Shared memory. */
3545 return pp_semget(ARGS);
3550 return pp_semctl(ARGS);
3555 return pp_shmwrite(ARGS);
3560 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3561 djSP; dMARK; dTARGET;
3562 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3567 return pp_semget(ARGS);
3571 /* Message passing. */
3575 return pp_semget(ARGS);
3580 return pp_semctl(ARGS);
3585 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3586 djSP; dMARK; dTARGET;
3587 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3592 return pp_semget(ARGS);
3598 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3599 djSP; dMARK; dTARGET;
3600 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3605 return pp_semget(ARGS);
3613 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3614 djSP; dMARK; dTARGET;
3615 int anum = do_ipcget(PL_op->op_type, MARK, SP);
3622 DIE("System V IPC is not implemented on this machine");
3628 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3629 djSP; dMARK; dTARGET;
3630 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
3638 PUSHp(zero_but_true, ZBTLEN);
3642 return pp_semget(ARGS);
3648 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3649 djSP; dMARK; dTARGET;
3650 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3655 return pp_semget(ARGS);
3659 /* Get system info. */
3663 #ifdef HAS_GETHOSTBYNAME
3664 return pp_ghostent(ARGS);
3666 DIE(no_sock_func, "gethostbyname");
3672 #ifdef HAS_GETHOSTBYADDR
3673 return pp_ghostent(ARGS);
3675 DIE(no_sock_func, "gethostbyaddr");
3682 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
3683 I32 which = PL_op->op_type;
3684 register char **elem;
3686 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
3687 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
3688 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
3689 struct hostent *PerlSock_gethostent(void);
3691 struct hostent *hent;
3695 if (which == OP_GHBYNAME)
3696 #ifdef HAS_GETHOSTBYNAME
3697 hent = PerlSock_gethostbyname(POPp);
3699 DIE(no_sock_func, "gethostbyname");
3701 else if (which == OP_GHBYADDR) {
3702 #ifdef HAS_GETHOSTBYADDR
3703 int addrtype = POPi;
3706 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
3708 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
3710 DIE(no_sock_func, "gethostbyaddr");
3714 #ifdef HAS_GETHOSTENT
3715 hent = PerlSock_gethostent();
3717 DIE(no_sock_func, "gethostent");
3720 #ifdef HOST_NOT_FOUND
3722 STATUS_NATIVE_SET(h_errno);
3725 if (GIMME != G_ARRAY) {
3726 PUSHs(sv = sv_newmortal());
3728 if (which == OP_GHBYNAME) {
3730 sv_setpvn(sv, hent->h_addr, hent->h_length);
3733 sv_setpv(sv, (char*)hent->h_name);
3739 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3740 sv_setpv(sv, (char*)hent->h_name);
3741 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3742 for (elem = hent->h_aliases; elem && *elem; elem++) {
3743 sv_catpv(sv, *elem);
3745 sv_catpvn(sv, " ", 1);
3747 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3748 sv_setiv(sv, (IV)hent->h_addrtype);
3749 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3750 len = hent->h_length;
3751 sv_setiv(sv, (IV)len);
3753 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3754 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
3755 sv_setpvn(sv, *elem, len);
3758 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3760 sv_setpvn(sv, hent->h_addr, len);
3765 DIE(no_sock_func, "gethostent");
3771 #ifdef HAS_GETNETBYNAME
3772 return pp_gnetent(ARGS);
3774 DIE(no_sock_func, "getnetbyname");
3780 #ifdef HAS_GETNETBYADDR
3781 return pp_gnetent(ARGS);
3783 DIE(no_sock_func, "getnetbyaddr");
3790 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
3791 I32 which = PL_op->op_type;
3792 register char **elem;
3794 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
3795 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
3796 struct netent *PerlSock_getnetbyname(Netdb_name_t);
3797 struct netent *PerlSock_getnetent(void);
3799 struct netent *nent;
3801 if (which == OP_GNBYNAME)
3802 #ifdef HAS_GETNETBYNAME
3803 nent = PerlSock_getnetbyname(POPp);
3805 DIE(no_sock_func, "getnetbyname");
3807 else if (which == OP_GNBYADDR) {
3808 #ifdef HAS_GETNETBYADDR
3809 int addrtype = POPi;
3810 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
3811 nent = PerlSock_getnetbyaddr(addr, addrtype);
3813 DIE(no_sock_func, "getnetbyaddr");
3817 #ifdef HAS_GETNETENT
3818 nent = PerlSock_getnetent();
3820 DIE(no_sock_func, "getnetent");
3824 if (GIMME != G_ARRAY) {
3825 PUSHs(sv = sv_newmortal());
3827 if (which == OP_GNBYNAME)
3828 sv_setiv(sv, (IV)nent->n_net);
3830 sv_setpv(sv, nent->n_name);
3836 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3837 sv_setpv(sv, nent->n_name);
3838 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3839 for (elem = nent->n_aliases; elem && *elem; elem++) {
3840 sv_catpv(sv, *elem);
3842 sv_catpvn(sv, " ", 1);
3844 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3845 sv_setiv(sv, (IV)nent->n_addrtype);
3846 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3847 sv_setiv(sv, (IV)nent->n_net);
3852 DIE(no_sock_func, "getnetent");
3858 #ifdef HAS_GETPROTOBYNAME
3859 return pp_gprotoent(ARGS);
3861 DIE(no_sock_func, "getprotobyname");
3867 #ifdef HAS_GETPROTOBYNUMBER
3868 return pp_gprotoent(ARGS);
3870 DIE(no_sock_func, "getprotobynumber");
3877 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
3878 I32 which = PL_op->op_type;
3879 register char **elem;
3881 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
3882 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
3883 struct protoent *PerlSock_getprotobynumber(int);
3884 struct protoent *PerlSock_getprotoent(void);
3886 struct protoent *pent;
3888 if (which == OP_GPBYNAME)
3889 #ifdef HAS_GETPROTOBYNAME
3890 pent = PerlSock_getprotobyname(POPp);
3892 DIE(no_sock_func, "getprotobyname");
3894 else if (which == OP_GPBYNUMBER)
3895 #ifdef HAS_GETPROTOBYNUMBER
3896 pent = PerlSock_getprotobynumber(POPi);
3898 DIE(no_sock_func, "getprotobynumber");
3901 #ifdef HAS_GETPROTOENT
3902 pent = PerlSock_getprotoent();
3904 DIE(no_sock_func, "getprotoent");
3908 if (GIMME != G_ARRAY) {
3909 PUSHs(sv = sv_newmortal());
3911 if (which == OP_GPBYNAME)
3912 sv_setiv(sv, (IV)pent->p_proto);
3914 sv_setpv(sv, pent->p_name);
3920 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3921 sv_setpv(sv, pent->p_name);
3922 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3923 for (elem = pent->p_aliases; elem && *elem; elem++) {
3924 sv_catpv(sv, *elem);
3926 sv_catpvn(sv, " ", 1);
3928 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3929 sv_setiv(sv, (IV)pent->p_proto);
3934 DIE(no_sock_func, "getprotoent");
3940 #ifdef HAS_GETSERVBYNAME
3941 return pp_gservent(ARGS);
3943 DIE(no_sock_func, "getservbyname");
3949 #ifdef HAS_GETSERVBYPORT
3950 return pp_gservent(ARGS);
3952 DIE(no_sock_func, "getservbyport");
3959 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
3960 I32 which = PL_op->op_type;
3961 register char **elem;
3963 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
3964 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
3965 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
3966 struct servent *PerlSock_getservent(void);
3968 struct servent *sent;
3970 if (which == OP_GSBYNAME) {
3971 #ifdef HAS_GETSERVBYNAME
3975 if (proto && !*proto)
3978 sent = PerlSock_getservbyname(name, proto);
3980 DIE(no_sock_func, "getservbyname");
3983 else if (which == OP_GSBYPORT) {
3984 #ifdef HAS_GETSERVBYPORT
3986 unsigned short port = POPu;
3989 port = PerlSock_htons(port);
3991 sent = PerlSock_getservbyport(port, proto);
3993 DIE(no_sock_func, "getservbyport");
3997 #ifdef HAS_GETSERVENT
3998 sent = PerlSock_getservent();
4000 DIE(no_sock_func, "getservent");
4004 if (GIMME != G_ARRAY) {
4005 PUSHs(sv = sv_newmortal());
4007 if (which == OP_GSBYNAME) {
4009 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4011 sv_setiv(sv, (IV)(sent->s_port));
4015 sv_setpv(sv, sent->s_name);
4021 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4022 sv_setpv(sv, sent->s_name);
4023 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4024 for (elem = sent->s_aliases; elem && *elem; elem++) {
4025 sv_catpv(sv, *elem);
4027 sv_catpvn(sv, " ", 1);
4029 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4031 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4033 sv_setiv(sv, (IV)(sent->s_port));
4035 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4036 sv_setpv(sv, sent->s_proto);
4041 DIE(no_sock_func, "getservent");
4048 #ifdef HAS_SETHOSTENT
4049 PerlSock_sethostent(TOPi);
4052 DIE(no_sock_func, "sethostent");
4059 #ifdef HAS_SETNETENT
4060 PerlSock_setnetent(TOPi);
4063 DIE(no_sock_func, "setnetent");
4070 #ifdef HAS_SETPROTOENT
4071 PerlSock_setprotoent(TOPi);
4074 DIE(no_sock_func, "setprotoent");
4081 #ifdef HAS_SETSERVENT
4082 PerlSock_setservent(TOPi);
4085 DIE(no_sock_func, "setservent");
4092 #ifdef HAS_ENDHOSTENT
4093 PerlSock_endhostent();
4097 DIE(no_sock_func, "endhostent");
4104 #ifdef HAS_ENDNETENT
4105 PerlSock_endnetent();
4109 DIE(no_sock_func, "endnetent");
4116 #ifdef HAS_ENDPROTOENT
4117 PerlSock_endprotoent();
4121 DIE(no_sock_func, "endprotoent");
4128 #ifdef HAS_ENDSERVENT
4129 PerlSock_endservent();
4133 DIE(no_sock_func, "endservent");
4140 return pp_gpwent(ARGS);
4142 DIE(no_func, "getpwnam");
4149 return pp_gpwent(ARGS);
4151 DIE(no_func, "getpwuid");
4158 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4159 I32 which = PL_op->op_type;
4161 struct passwd *pwent;
4163 if (which == OP_GPWNAM)
4164 pwent = getpwnam(POPp);
4165 else if (which == OP_GPWUID)
4166 pwent = getpwuid(POPi);
4168 pwent = (struct passwd *)getpwent();
4171 if (GIMME != G_ARRAY) {
4172 PUSHs(sv = sv_newmortal());
4174 if (which == OP_GPWNAM)
4175 sv_setiv(sv, (IV)pwent->pw_uid);
4177 sv_setpv(sv, pwent->pw_name);
4183 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4184 sv_setpv(sv, pwent->pw_name);
4186 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4188 sv_setpv(sv, pwent->pw_passwd);
4191 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4192 sv_setiv(sv, (IV)pwent->pw_uid);
4194 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4195 sv_setiv(sv, (IV)pwent->pw_gid);
4197 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4198 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4200 sv_setiv(sv, (IV)pwent->pw_change);
4203 sv_setiv(sv, (IV)pwent->pw_quota);
4206 sv_setpv(sv, pwent->pw_age);
4211 /* pw_class and pw_comment are mutually exclusive. */
4212 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4214 sv_setpv(sv, pwent->pw_class);
4217 sv_setpv(sv, pwent->pw_comment);
4221 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4223 sv_setpv(sv, pwent->pw_gecos);
4225 #ifndef INCOMPLETE_TAINTS
4226 /* pw_gecos is tainted because user himself can diddle with it. */
4230 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4231 sv_setpv(sv, pwent->pw_dir);
4233 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4234 sv_setpv(sv, pwent->pw_shell);
4237 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4238 sv_setiv(sv, (IV)pwent->pw_expire);
4243 DIE(no_func, "getpwent");
4250 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4254 DIE(no_func, "setpwent");
4261 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4265 DIE(no_func, "endpwent");
4272 return pp_ggrent(ARGS);
4274 DIE(no_func, "getgrnam");
4281 return pp_ggrent(ARGS);
4283 DIE(no_func, "getgrgid");
4290 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4291 I32 which = PL_op->op_type;
4292 register char **elem;
4294 struct group *grent;
4296 if (which == OP_GGRNAM)
4297 grent = (struct group *)getgrnam(POPp);
4298 else if (which == OP_GGRGID)
4299 grent = (struct group *)getgrgid(POPi);
4301 grent = (struct group *)getgrent();
4304 if (GIMME != G_ARRAY) {
4305 PUSHs(sv = sv_newmortal());
4307 if (which == OP_GGRNAM)
4308 sv_setiv(sv, (IV)grent->gr_gid);
4310 sv_setpv(sv, grent->gr_name);
4316 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4317 sv_setpv(sv, grent->gr_name);
4319 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4321 sv_setpv(sv, grent->gr_passwd);
4324 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4325 sv_setiv(sv, (IV)grent->gr_gid);
4327 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4328 for (elem = grent->gr_mem; elem && *elem; elem++) {
4329 sv_catpv(sv, *elem);
4331 sv_catpvn(sv, " ", 1);
4337 DIE(no_func, "getgrent");
4344 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4348 DIE(no_func, "setgrent");
4355 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4359 DIE(no_func, "endgrent");
4369 if (!(tmps = PerlProc_getlogin()))
4371 PUSHp(tmps, strlen(tmps));
4374 DIE(no_func, "getlogin");
4378 /* Miscellaneous. */
4383 djSP; dMARK; dORIGMARK; dTARGET;
4384 register I32 items = SP - MARK;
4385 unsigned long a[20];
4391 while (++MARK <= SP) {
4392 if (SvTAINTED(*MARK)) {
4398 TAINT_PROPER("syscall");
4401 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4402 * or where sizeof(long) != sizeof(char*). But such machines will
4403 * not likely have syscall implemented either, so who cares?
4405 while (++MARK <= SP) {
4406 if (SvNIOK(*MARK) || !i)
4407 a[i++] = SvIV(*MARK);
4408 else if (*MARK == &PL_sv_undef)
4411 a[i++] = (unsigned long)SvPV_force(*MARK, PL_na);
4417 DIE("Too many args to syscall");
4419 DIE("Too few args to syscall");
4421 retval = syscall(a[0]);
4424 retval = syscall(a[0],a[1]);
4427 retval = syscall(a[0],a[1],a[2]);
4430 retval = syscall(a[0],a[1],a[2],a[3]);
4433 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4436 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4439 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4442 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4446 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4449 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4452 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4456 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4460 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4464 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4465 a[10],a[11],a[12],a[13]);
4467 #endif /* atarist */
4473 DIE(no_func, "syscall");
4477 #ifdef FCNTL_EMULATE_FLOCK
4479 /* XXX Emulate flock() with fcntl().
4480 What's really needed is a good file locking module.
4484 fcntl_emulate_flock(int fd, int operation)
4488 switch (operation & ~LOCK_NB) {
4490 flock.l_type = F_RDLCK;
4493 flock.l_type = F_WRLCK;
4496 flock.l_type = F_UNLCK;
4502 flock.l_whence = SEEK_SET;
4503 flock.l_start = flock.l_len = 0L;
4505 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4508 #endif /* FCNTL_EMULATE_FLOCK */
4510 #ifdef LOCKF_EMULATE_FLOCK
4512 /* XXX Emulate flock() with lockf(). This is just to increase
4513 portability of scripts. The calls are not completely
4514 interchangeable. What's really needed is a good file
4518 /* The lockf() constants might have been defined in <unistd.h>.
4519 Unfortunately, <unistd.h> causes troubles on some mixed
4520 (BSD/POSIX) systems, such as SunOS 4.1.3.
4522 Further, the lockf() constants aren't POSIX, so they might not be
4523 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4524 just stick in the SVID values and be done with it. Sigh.
4528 # define F_ULOCK 0 /* Unlock a previously locked region */
4531 # define F_LOCK 1 /* Lock a region for exclusive use */
4534 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4537 # define F_TEST 3 /* Test a region for other processes locks */
4541 lockf_emulate_flock (fd, operation)
4549 /* flock locks entire file so for lockf we need to do the same */
4551 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4552 if (pos > 0) /* is seekable and needs to be repositioned */
4553 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4554 pos = -1; /* seek failed, so don't seek back afterwards */
4557 switch (operation) {
4559 /* LOCK_SH - get a shared lock */
4561 /* LOCK_EX - get an exclusive lock */
4563 i = lockf (fd, F_LOCK, 0);
4566 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4567 case LOCK_SH|LOCK_NB:
4568 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4569 case LOCK_EX|LOCK_NB:
4570 i = lockf (fd, F_TLOCK, 0);
4572 if ((errno == EAGAIN) || (errno == EACCES))
4573 errno = EWOULDBLOCK;
4576 /* LOCK_UN - unlock (non-blocking is a no-op) */
4578 case LOCK_UN|LOCK_NB:
4579 i = lockf (fd, F_ULOCK, 0);
4582 /* Default - can't decipher operation */
4589 if (pos > 0) /* need to restore position of the handle */
4590 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4595 #endif /* LOCKF_EMULATE_FLOCK */