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(last_in_gv); /* We don't want this to be permanent. */
256 last_in_gv = (GV*)*stack_sp--;
258 SAVESPTR(rs); /* This is not permanent, either. */
259 rs = sv_2mortal(newSVpv("", 1));
266 result = do_readline();
271 #if 0 /* XXX never used! */
274 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
275 return do_readline();
281 last_in_gv = cGVOP->op_gv;
282 return do_readline();
289 if (SP - MARK != 1) {
291 do_join(TARG, &sv_no, MARK, SP);
292 tmps = SvPV(TARG, na);
296 tmps = SvPV(TOPs, 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, na);
306 tmps = "Warning: something's wrong";
317 if (SP - MARK != 1) {
319 do_join(TARG, &sv_no, MARK, SP);
320 tmps = SvPV(TARG, na);
325 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, 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(curcop->cop_filegv)));
338 SV *line = sv_2mortal(newSViv(curcop->cop_line));
345 perl_call_sv((SV*)GvCV(gv),
346 G_SCALAR|G_EVAL|G_KEEPERR);
347 sv_setsv(error,*stack_sp--);
353 if (SvPOK(error) && SvCUR(error))
354 sv_catpv(error, "\t...propagated");
355 tmps = SvPV(error, 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, 0, 0, Nullfp))
386 PUSHi( (I32)forkprocess );
387 else if (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");
525 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
528 if (do_binmode(fp,IoTYPE(io),TRUE))
543 I32 markoff = MARK - 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,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 = 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(&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 #if defined(__linux__) || defined(OS2)
758 growsize = sizeof(fd_set);
760 growsize = maxlen; /* little endians can use vecs directly */
769 masksize = NFDBITS / NBBY;
771 masksize = sizeof(long); /* documented int, everyone seems to use long */
773 growsize = maxlen + (masksize - (maxlen % masksize));
774 Zero(&fd_sets[0], 4, char*);
782 timebuf.tv_sec = (long)value;
783 value -= (double)timebuf.tv_sec;
784 timebuf.tv_usec = (long)(value * 1000000.0);
787 tbuf = Null(struct timeval*);
789 for (i = 1; i <= 3; i++) {
796 SvPV_force(sv,na); /* force string conversion */
799 Sv_Grow(sv, growsize);
803 while (++j <= growsize) {
807 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
809 New(403, fd_sets[i], growsize, char);
810 for (offset = 0; offset < growsize; offset += masksize) {
811 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
812 fd_sets[i][j+offset] = s[(k % masksize) + offset];
815 fd_sets[i] = SvPVX(sv);
819 nfound = PerlSock_select(
821 (Select_fd_set_t) fd_sets[1],
822 (Select_fd_set_t) fd_sets[2],
823 (Select_fd_set_t) fd_sets[3],
825 for (i = 1; i <= 3; i++) {
828 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
830 for (offset = 0; offset < growsize; offset += masksize) {
831 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
832 s[(k % masksize) + offset] = fd_sets[i][j+offset];
834 Safefree(fd_sets[i]);
841 if (GIMME == G_ARRAY && tbuf) {
842 value = (double)(timebuf.tv_sec) +
843 (double)(timebuf.tv_usec) / 1000000.0;
844 PUSHs(sv = sv_mortalcopy(&sv_no));
849 DIE("select not implemented");
858 (void)SvREFCNT_inc(gv);
860 SvREFCNT_dec(defoutgv);
870 newdefout = (op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
872 egv = GvEGV(defoutgv);
879 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
880 if (gvp && *gvp == egv) {
881 gv_efullname3(TARG, defoutgv, Nullch);
885 XPUSHs(sv_2mortal(newRV((SV*)egv)));
890 if (!GvIO(newdefout))
892 setdefout(newdefout);
911 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
917 perl_call_method("GETC", gimme);
920 if (gimme == G_SCALAR)
921 SvSetMagicSV_nosteal(TARG, TOPs);
924 if (!gv || do_eof(gv)) /* make sure we have fp with something */
928 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
935 return pp_sysread(ARGS);
939 doform(CV *cv, GV *gv, OP *retop)
942 register PERL_CONTEXT *cx;
944 AV* padlist = CvPADLIST(cv);
945 SV** svp = AvARRAY(padlist);
951 PUSHBLOCK(cx, CXt_SUB, stack_sp);
954 curpad = AvARRAY((AV*)svp[1]);
956 setdefout(gv); /* locally select filehandle so $% et al work */
988 SV *tmpsv = sv_newmortal();
989 gv_efullname3(tmpsv, fgv, Nullch);
990 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
992 DIE("Not a format reference");
995 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
997 IoFLAGS(io) &= ~IOf_DIDTOP;
998 return doform(cv,gv,op->op_next);
1004 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1005 register IO *io = GvIOp(gv);
1006 PerlIO *ofp = IoOFP(io);
1010 register PERL_CONTEXT *cx;
1012 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1013 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
1014 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
1015 formtarget != toptarget)
1019 if (!IoTOP_GV(io)) {
1023 if (!IoTOP_NAME(io)) {
1024 if (!IoFMT_NAME(io))
1025 IoFMT_NAME(io) = savepv(GvNAME(gv));
1026 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1027 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1028 if ((topgv && GvFORM(topgv)) ||
1029 !gv_fetchpv("top",FALSE,SVt_PVFM))
1030 IoTOP_NAME(io) = savepv(SvPVX(topname));
1032 IoTOP_NAME(io) = savepv("top");
1034 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1035 if (!topgv || !GvFORM(topgv)) {
1036 IoLINES_LEFT(io) = 100000000;
1039 IoTOP_GV(io) = topgv;
1041 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1042 I32 lines = IoLINES_LEFT(io);
1043 char *s = SvPVX(formtarget);
1044 if (lines <= 0) /* Yow, header didn't even fit!!! */
1046 while (lines-- > 0) {
1047 s = strchr(s, '\n');
1053 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1054 sv_chop(formtarget, s);
1055 FmLINES(formtarget) -= IoLINES_LEFT(io);
1058 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1059 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1060 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1062 formtarget = toptarget;
1063 IoFLAGS(io) |= IOf_DIDTOP;
1066 DIE("bad top format reference");
1069 SV *tmpsv = sv_newmortal();
1070 gv_efullname3(tmpsv, fgv, Nullch);
1071 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1074 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1075 return doform(cv,gv,op);
1087 warn("Filehandle only opened for input");
1089 warn("Write on closed filehandle");
1094 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1096 warn("page overflow");
1098 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1102 FmLINES(formtarget) = 0;
1103 SvCUR_set(formtarget, 0);
1104 *SvEND(formtarget) = '\0';
1105 if (IoFLAGS(io) & IOf_FLUSH)
1106 (void)PerlIO_flush(fp);
1110 formtarget = bodytarget;
1112 return pop_return();
1117 djSP; dMARK; dORIGMARK;
1124 if (op->op_flags & OPf_STACKED)
1129 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1130 if (MARK == ORIGMARK) {
1133 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1140 perl_call_method("PRINTF", G_SCALAR);
1143 MARK = ORIGMARK + 1;
1150 if (!(io = GvIO(gv))) {
1152 gv_fullname3(sv, gv, Nullch);
1153 warn("Filehandle %s never opened", SvPV(sv,na));
1155 SETERRNO(EBADF,RMS$_IFI);
1158 else if (!(fp = IoOFP(io))) {
1160 gv_fullname3(sv, gv, Nullch);
1162 warn("Filehandle %s opened only for input", SvPV(sv,na));
1164 warn("printf on closed filehandle %s", SvPV(sv,na));
1166 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1170 #ifdef USE_LOCALE_NUMERIC
1171 if (op->op_private & OPpLOCALE)
1172 SET_NUMERIC_LOCAL();
1174 SET_NUMERIC_STANDARD();
1176 do_sprintf(sv, SP - MARK, MARK + 1);
1177 if (!do_print(sv, fp))
1180 if (IoFLAGS(io) & IOf_FLUSH)
1181 if (PerlIO_flush(fp) == EOF)
1213 tmps = SvPV(sv, len);
1214 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1215 IoLINES(GvIOp(gv)) = 0;
1226 djSP; dMARK; dORIGMARK; dTARGET;
1232 Sock_size_t bufsize;
1238 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1239 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1246 perl_call_method("READ", G_SCALAR);
1259 sv_setpvn(bufsv, "", 0);
1260 buffer = SvPV_force(bufsv, blen);
1261 length = SvIVx(*++MARK);
1263 DIE("Negative length");
1266 offset = SvIVx(*++MARK);
1270 if (!io || !IoIFP(io))
1273 if (op->op_type == OP_RECV) {
1274 char namebuf[MAXPATHLEN];
1275 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1276 bufsize = sizeof (struct sockaddr_in);
1278 bufsize = sizeof namebuf;
1280 buffer = SvGROW(bufsv, length+1);
1281 /* 'offset' means 'flags' here */
1282 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1283 (struct sockaddr *)namebuf, &bufsize);
1286 SvCUR_set(bufsv, length);
1287 *SvEND(bufsv) = '\0';
1288 (void)SvPOK_only(bufsv);
1290 /* This should not be marked tainted if the fp is marked clean */
1291 if (!(IoFLAGS(io) & IOf_UNTAINT))
1292 SvTAINTED_on(bufsv);
1294 sv_setpvn(TARG, namebuf, bufsize);
1299 if (op->op_type == OP_RECV)
1300 DIE(no_sock_func, "recv");
1304 DIE("Offset outside string");
1307 bufsize = SvCUR(bufsv);
1308 buffer = SvGROW(bufsv, length+offset+1);
1309 if (offset > bufsize) { /* Zero any newly allocated space */
1310 Zero(buffer+bufsize, offset-bufsize, char);
1312 if (op->op_type == OP_SYSREAD) {
1313 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1316 #ifdef HAS_SOCKET__bad_code_maybe
1317 if (IoTYPE(io) == 's') {
1318 char namebuf[MAXPATHLEN];
1319 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1320 bufsize = sizeof (struct sockaddr_in);
1322 bufsize = sizeof namebuf;
1324 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1325 (struct sockaddr *)namebuf, &bufsize);
1330 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1331 /* fread() returns 0 on both error and EOF */
1332 if (length == 0 && PerlIO_error(IoIFP(io)))
1337 SvCUR_set(bufsv, length+offset);
1338 *SvEND(bufsv) = '\0';
1339 (void)SvPOK_only(bufsv);
1341 /* This should not be marked tainted if the fp is marked clean */
1342 if (!(IoFLAGS(io) & IOf_UNTAINT))
1343 SvTAINTED_on(bufsv);
1355 return pp_send(ARGS);
1360 djSP; dMARK; dORIGMARK; dTARGET;
1371 if (op->op_type == OP_SYSWRITE &&
1372 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1379 perl_call_method("WRITE", G_SCALAR);
1390 buffer = SvPV(bufsv, blen);
1391 length = SvIVx(*++MARK);
1393 DIE("Negative length");
1396 if (!io || !IoIFP(io)) {
1399 if (op->op_type == OP_SYSWRITE)
1400 warn("Syswrite on closed filehandle");
1402 warn("Send on closed socket");
1405 else if (op->op_type == OP_SYSWRITE) {
1407 offset = SvIVx(*++MARK);
1410 DIE("Offset outside string");
1412 } else if (offset >= blen && blen > 0)
1413 DIE("Offset outside string");
1416 if (length > blen - offset)
1417 length = blen - offset;
1418 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1421 else if (SP > MARK) {
1424 sockbuf = SvPVx(*++MARK, mlen);
1425 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1426 (struct sockaddr *)sockbuf, mlen);
1429 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1433 DIE(no_sock_func, "send");
1448 return pp_sysread(ARGS);
1459 gv = last_in_gv = (GV*)POPs;
1460 PUSHs(boolSV(!gv || do_eof(gv)));
1472 gv = last_in_gv = (GV*)POPs;
1473 PUSHi( do_tell(gv) );
1479 return pp_sysseek(ARGS);
1489 gv = last_in_gv = (GV*)POPs;
1490 if (op->op_type == OP_SEEK)
1491 PUSHs(boolSV(do_seek(gv, offset, whence)));
1493 long n = do_sysseek(gv, offset, whence);
1494 PUSHs((n < 0) ? &sv_undef
1495 : sv_2mortal(n ? newSViv((IV)n)
1496 : newSVpv(zero_but_true, ZBTLEN)));
1504 Off_t len = (Off_t)POPn;
1509 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1510 if (op->op_flags & OPf_SPECIAL) {
1511 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1513 TAINT_PROPER("truncate");
1514 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1516 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1518 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1526 if (SvTYPE(sv) == SVt_PVGV) {
1527 tmpgv = (GV*)sv; /* *main::FRED for example */
1530 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1531 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1535 name = SvPV(sv, na);
1536 TAINT_PROPER("truncate");
1538 if (truncate(name, len) < 0)
1543 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1546 if (my_chsize(tmpfd, len) < 0)
1548 PerlLIO_close(tmpfd);
1557 SETERRNO(EBADF,RMS$_IFI);
1560 DIE("truncate not implemented");
1566 return pp_ioctl(ARGS);
1573 unsigned int func = U_I(POPn);
1574 int optype = op->op_type;
1580 if (!io || !argsv || !IoIFP(io)) {
1581 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1585 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1588 s = SvPV_force(argsv, len);
1589 need = IOCPARM_LEN(func);
1591 s = Sv_Grow(argsv, need + 1);
1592 SvCUR_set(argsv, need);
1595 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1598 retval = SvIV(argsv);
1599 s = (char*)retval; /* ouch */
1602 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1604 if (optype == OP_IOCTL)
1606 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1608 DIE("ioctl is not implemented");
1612 #if defined(OS2) && defined(__EMX__)
1613 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1615 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1618 DIE("fcntl is not implemented");
1622 if (s[SvCUR(argsv)] != 17)
1623 DIE("Possible memory corruption: %s overflowed 3rd argument",
1625 s[SvCUR(argsv)] = 0; /* put our null back */
1626 SvSETMAGIC(argsv); /* Assume it has changed */
1635 PUSHp(zero_but_true, ZBTLEN);
1655 fp = IoIFP(GvIOp(gv));
1659 (void)PerlIO_flush(fp);
1660 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1667 DIE(no_func, "flock()");
1679 int protocol = POPi;
1687 SETERRNO(EBADF,LIB$_INVARG);
1693 do_close(gv, FALSE);
1695 TAINT_PROPER("socket");
1696 fd = PerlSock_socket(domain, type, protocol);
1699 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1700 IoOFP(io) = PerlIO_fdopen(fd, "w");
1702 if (!IoIFP(io) || !IoOFP(io)) {
1703 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1704 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1705 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1711 DIE(no_sock_func, "socket");
1718 #ifdef HAS_SOCKETPAIR
1723 int protocol = POPi;
1736 do_close(gv1, FALSE);
1738 do_close(gv2, FALSE);
1740 TAINT_PROPER("socketpair");
1741 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1743 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1744 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1746 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1747 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1749 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1750 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1751 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1752 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1753 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1754 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1755 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1761 DIE(no_sock_func, "socketpair");
1769 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
1770 extern GETPRIVMODE();
1771 extern GETUSERMODE();
1776 register IO *io = GvIOn(gv);
1780 int mpeprivmode = 0;
1783 if (!io || !IoIFP(io))
1786 addr = SvPV(addrsv, len);
1787 TAINT_PROPER("bind");
1788 #ifdef MPE /* Deal with MPE bind() peculiarities */
1789 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
1790 /* The address *MUST* stupidly be zero. */
1791 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
1792 /* PRIV mode is required to bind() to ports < 1024. */
1793 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
1794 ((struct sockaddr_in *)addr)->sin_port > 0) {
1795 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
1800 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
1801 (struct sockaddr *)addr, len) >= 0)
1804 #ifdef MPE /* Switch back to USER mode */
1816 warn("bind() on closed fd");
1817 SETERRNO(EBADF,SS$_IVCHAN);
1820 DIE(no_sock_func, "bind");
1831 register IO *io = GvIOn(gv);
1834 if (!io || !IoIFP(io))
1837 addr = SvPV(addrsv, len);
1838 TAINT_PROPER("connect");
1839 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1846 warn("connect() on closed fd");
1847 SETERRNO(EBADF,SS$_IVCHAN);
1850 DIE(no_sock_func, "connect");
1860 register IO *io = GvIOn(gv);
1862 if (!io || !IoIFP(io))
1865 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1872 warn("listen() on closed fd");
1873 SETERRNO(EBADF,SS$_IVCHAN);
1876 DIE(no_sock_func, "listen");
1888 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1889 Sock_size_t len = sizeof saddr;
1901 if (!gstio || !IoIFP(gstio))
1906 do_close(ngv, FALSE);
1908 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1911 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1912 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1913 IoTYPE(nstio) = 's';
1914 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1915 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1916 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1917 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
1921 PUSHp((char *)&saddr, len);
1926 warn("accept() on closed fd");
1927 SETERRNO(EBADF,SS$_IVCHAN);
1933 DIE(no_sock_func, "accept");
1943 register IO *io = GvIOn(gv);
1945 if (!io || !IoIFP(io))
1948 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1953 warn("shutdown() on closed fd");
1954 SETERRNO(EBADF,SS$_IVCHAN);
1957 DIE(no_sock_func, "shutdown");
1964 return pp_ssockopt(ARGS);
1966 DIE(no_sock_func, "getsockopt");
1974 int optype = op->op_type;
1977 unsigned int optname;
1983 if (optype == OP_GSOCKOPT)
1984 sv = sv_2mortal(NEWSV(22, 257));
1987 optname = (unsigned int) POPi;
1988 lvl = (unsigned int) POPi;
1992 if (!io || !IoIFP(io))
1995 fd = PerlIO_fileno(IoIFP(io));
1999 (void)SvPOK_only(sv);
2003 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2017 aint = (int)SvIV(sv);
2021 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2031 warn("[gs]etsockopt() on closed fd");
2032 SETERRNO(EBADF,SS$_IVCHAN);
2037 DIE(no_sock_func, "setsockopt");
2044 return pp_getpeername(ARGS);
2046 DIE(no_sock_func, "getsockname");
2054 int optype = op->op_type;
2058 register IO *io = GvIOn(gv);
2061 if (!io || !IoIFP(io))
2064 sv = sv_2mortal(NEWSV(22, 257));
2065 (void)SvPOK_only(sv);
2069 fd = PerlIO_fileno(IoIFP(io));
2071 case OP_GETSOCKNAME:
2072 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2075 case OP_GETPEERNAME:
2076 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2078 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2080 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2081 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2082 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2083 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2084 sizeof(u_short) + sizeof(struct in_addr))) {
2091 #ifdef BOGUS_GETNAME_RETURN
2092 /* Interactive Unix, getpeername() and getsockname()
2093 does not return valid namelen */
2094 if (len == BOGUS_GETNAME_RETURN)
2095 len = sizeof(struct sockaddr);
2104 warn("get{sock, peer}name() on closed fd");
2105 SETERRNO(EBADF,SS$_IVCHAN);
2110 DIE(no_sock_func, "getpeername");
2118 return pp_stat(ARGS);
2128 if (op->op_flags & OPf_REF) {
2129 tmpgv = cGVOP->op_gv;
2131 if (tmpgv != defgv) {
2132 laststype = OP_STAT;
2134 sv_setpv(statname, "");
2135 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2136 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2138 if (laststatval < 0)
2143 if (SvTYPE(sv) == SVt_PVGV) {
2147 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2148 tmpgv = (GV*)SvRV(sv);
2151 sv_setpv(statname, SvPV(sv,na));
2154 laststype = op->op_type;
2155 if (op->op_type == OP_LSTAT)
2156 laststatval = PerlLIO_lstat(SvPV(statname, na), &statcache);
2159 laststatval = PerlLIO_stat(SvPV(statname, na), &statcache);
2160 if (laststatval < 0) {
2161 if (dowarn && strchr(SvPV(statname, na), '\n'))
2162 warn(warn_nl, "stat");
2168 if (gimme != G_ARRAY) {
2169 if (gimme != G_VOID)
2170 XPUSHs(boolSV(max));
2176 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2177 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2178 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2179 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2180 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2181 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2182 #ifdef USE_STAT_RDEV
2183 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2185 PUSHs(sv_2mortal(newSVpv("", 0)));
2187 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2189 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2190 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2191 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2193 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2194 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2195 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2197 #ifdef USE_STAT_BLOCKS
2198 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2199 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2201 PUSHs(sv_2mortal(newSVpv("", 0)));
2202 PUSHs(sv_2mortal(newSVpv("", 0)));
2210 I32 result = my_stat(ARGS);
2214 if (cando(S_IRUSR, 0, &statcache))
2221 I32 result = my_stat(ARGS);
2225 if (cando(S_IWUSR, 0, &statcache))
2232 I32 result = my_stat(ARGS);
2236 if (cando(S_IXUSR, 0, &statcache))
2243 I32 result = my_stat(ARGS);
2247 if (cando(S_IRUSR, 1, &statcache))
2254 I32 result = my_stat(ARGS);
2258 if (cando(S_IWUSR, 1, &statcache))
2265 I32 result = my_stat(ARGS);
2269 if (cando(S_IXUSR, 1, &statcache))
2276 I32 result = my_stat(ARGS);
2285 return pp_ftrowned(ARGS);
2290 I32 result = my_stat(ARGS);
2294 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2301 I32 result = my_stat(ARGS);
2305 if (!statcache.st_size)
2312 I32 result = my_stat(ARGS);
2316 PUSHi(statcache.st_size);
2322 I32 result = my_stat(ARGS);
2326 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2332 I32 result = my_stat(ARGS);
2336 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2342 I32 result = my_stat(ARGS);
2346 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2352 I32 result = my_stat(ARGS);
2356 if (S_ISSOCK(statcache.st_mode))
2363 I32 result = my_stat(ARGS);
2367 if (S_ISCHR(statcache.st_mode))
2374 I32 result = my_stat(ARGS);
2378 if (S_ISBLK(statcache.st_mode))
2385 I32 result = my_stat(ARGS);
2389 if (S_ISREG(statcache.st_mode))
2396 I32 result = my_stat(ARGS);
2400 if (S_ISDIR(statcache.st_mode))
2407 I32 result = my_stat(ARGS);
2411 if (S_ISFIFO(statcache.st_mode))
2418 I32 result = my_lstat(ARGS);
2422 if (S_ISLNK(statcache.st_mode))
2431 I32 result = my_stat(ARGS);
2435 if (statcache.st_mode & S_ISUID)
2445 I32 result = my_stat(ARGS);
2449 if (statcache.st_mode & S_ISGID)
2459 I32 result = my_stat(ARGS);
2463 if (statcache.st_mode & S_ISVTX)
2474 char *tmps = Nullch;
2476 if (op->op_flags & OPf_REF)
2478 else if (isGV(TOPs))
2480 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2481 gv = (GV*)SvRV(POPs);
2483 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2485 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2486 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2487 else if (tmps && isDIGIT(*tmps))
2491 if (PerlLIO_isatty(fd))
2496 #if defined(atarist) /* this will work with atariST. Configure will
2497 make guesses for other systems. */
2498 # define FILE_base(f) ((f)->_base)
2499 # define FILE_ptr(f) ((f)->_ptr)
2500 # define FILE_cnt(f) ((f)->_cnt)
2501 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2511 register STDCHAR *s;
2516 if (op->op_flags & OPf_REF)
2518 else if (isGV(TOPs))
2520 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2521 gv = (GV*)SvRV(POPs);
2532 goto really_filename;
2538 sv_setpv(statname, "");
2541 if (io && IoIFP(io)) {
2542 if (! PerlIO_has_base(IoIFP(io)))
2543 DIE("-T and -B not implemented on filehandles");
2544 laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2545 if (laststatval < 0)
2547 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2548 if (op->op_type == OP_FTTEXT)
2552 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2553 i = PerlIO_getc(IoIFP(io));
2555 (void)PerlIO_ungetc(IoIFP(io),i);
2557 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2559 len = PerlIO_get_bufsiz(IoIFP(io));
2560 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2561 /* sfio can have large buffers - limit to 512 */
2567 warn("Test on unopened file <%s>",
2568 GvENAME(cGVOP->op_gv));
2569 SETERRNO(EBADF,RMS$_IFI);
2578 sv_setpv(statname, SvPV(sv, na));
2580 i = PerlLIO_open3(SvPV(sv, na), O_RDONLY, 0);
2582 i = PerlLIO_open(SvPV(sv, na), 0);
2585 if (dowarn && strchr(SvPV(sv, na), '\n'))
2586 warn(warn_nl, "open");
2589 laststatval = PerlLIO_fstat(i, &statcache);
2590 if (laststatval < 0)
2592 len = PerlLIO_read(i, tbuf, 512);
2593 (void)PerlLIO_close(i);
2595 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2596 RETPUSHNO; /* special case NFS directories */
2597 RETPUSHYES; /* null file is anything */
2602 /* now scan s to look for textiness */
2603 /* XXX ASCII dependent code */
2605 for (i = 0; i < len; i++, s++) {
2606 if (!*s) { /* null never allowed in text */
2613 *s != '\n' && *s != '\r' && *s != '\b' &&
2614 *s != '\t' && *s != '\f' && *s != 27)
2618 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2626 return pp_fttext(ARGS);
2641 if (!tmps || !*tmps) {
2642 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2644 tmps = SvPV(*svp, na);
2646 if (!tmps || !*tmps) {
2647 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2649 tmps = SvPV(*svp, na);
2652 if (!tmps || !*tmps) {
2653 svp = hv_fetch(GvHVn(envgv), "SYS$LOGIN", 9, FALSE);
2655 tmps = SvPV(*svp, na);
2658 TAINT_PROPER("chdir");
2659 PUSHi( PerlDir_chdir(tmps) >= 0 );
2661 /* Clear the DEFAULT element of ENV so we'll get the new value
2663 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2670 djSP; dMARK; dTARGET;
2673 value = (I32)apply(op->op_type, MARK, SP);
2678 DIE(no_func, "Unsupported function chown");
2688 TAINT_PROPER("chroot");
2689 PUSHi( chroot(tmps) >= 0 );
2692 DIE(no_func, "chroot");
2698 djSP; dMARK; dTARGET;
2700 value = (I32)apply(op->op_type, MARK, SP);
2708 djSP; dMARK; dTARGET;
2710 value = (I32)apply(op->op_type, MARK, SP);
2718 djSP; dMARK; dTARGET;
2720 value = (I32)apply(op->op_type, MARK, SP);
2732 char *tmps = SvPV(TOPs, na);
2733 TAINT_PROPER("rename");
2735 anum = PerlLIO_rename(tmps, tmps2);
2737 if (!(anum = PerlLIO_stat(tmps, &statbuf))) {
2738 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2741 if (euid || PerlLIO_stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2742 (void)UNLINK(tmps2);
2743 if (!(anum = link(tmps, tmps2)))
2744 anum = UNLINK(tmps);
2757 char *tmps = SvPV(TOPs, na);
2758 TAINT_PROPER("link");
2759 SETi( link(tmps, tmps2) >= 0 );
2761 DIE(no_func, "Unsupported function link");
2771 char *tmps = SvPV(TOPs, na);
2772 TAINT_PROPER("symlink");
2773 SETi( symlink(tmps, tmps2) >= 0 );
2776 DIE(no_func, "symlink");
2785 char buf[MAXPATHLEN];
2788 #ifndef INCOMPLETE_TAINTS
2792 len = readlink(tmps, buf, sizeof buf);
2800 RETSETUNDEF; /* just pretend it's a normal file */
2804 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2806 dooneliner(cmd, filename)
2810 char *save_filename = filename;
2816 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2817 strcpy(cmdline, cmd);
2818 strcat(cmdline, " ");
2819 for (s = cmdline + strlen(cmdline); *filename; ) {
2824 myfp = PerlProc_popen(cmdline, "r");
2828 SV *tmpsv = sv_newmortal();
2829 /* Need to save/restore 'rs' ?? */
2830 s = sv_gets(tmpsv, myfp, 0);
2831 (void)PerlProc_pclose(myfp);
2835 #ifdef HAS_SYS_ERRLIST
2840 /* you don't see this */
2842 #ifdef HAS_SYS_ERRLIST
2850 if (instr(s, errmsg)) {
2857 #define EACCES EPERM
2859 if (instr(s, "cannot make"))
2860 SETERRNO(EEXIST,RMS$_FEX);
2861 else if (instr(s, "existing file"))
2862 SETERRNO(EEXIST,RMS$_FEX);
2863 else if (instr(s, "ile exists"))
2864 SETERRNO(EEXIST,RMS$_FEX);
2865 else if (instr(s, "non-exist"))
2866 SETERRNO(ENOENT,RMS$_FNF);
2867 else if (instr(s, "does not exist"))
2868 SETERRNO(ENOENT,RMS$_FNF);
2869 else if (instr(s, "not empty"))
2870 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2871 else if (instr(s, "cannot access"))
2872 SETERRNO(EACCES,RMS$_PRV);
2874 SETERRNO(EPERM,RMS$_PRV);
2877 else { /* some mkdirs return no failure indication */
2878 anum = (PerlLIO_stat(save_filename, &statbuf) >= 0);
2879 if (op->op_type == OP_RMDIR)
2884 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2900 char *tmps = SvPV(TOPs, na);
2902 TAINT_PROPER("mkdir");
2904 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
2906 SETi( dooneliner("mkdir", tmps) );
2907 oldumask = PerlLIO_umask(0);
2908 PerlLIO_umask(oldumask);
2909 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
2920 TAINT_PROPER("rmdir");
2922 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
2924 XPUSHi( dooneliner("rmdir", tmps) );
2929 /* Directory calls. */
2934 #if defined(Direntry_t) && defined(HAS_READDIR)
2935 char *dirname = POPp;
2937 register IO *io = GvIOn(gv);
2943 PerlDir_close(IoDIRP(io));
2944 if (!(IoDIRP(io) = PerlDir_open(dirname)))
2950 SETERRNO(EBADF,RMS$_DIR);
2953 DIE(no_dir_func, "opendir");
2960 #if defined(Direntry_t) && defined(HAS_READDIR)
2962 Direntry_t *readdir _((DIR *));
2964 register Direntry_t *dp;
2966 register IO *io = GvIOn(gv);
2969 if (!io || !IoDIRP(io))
2972 if (GIMME == G_ARRAY) {
2974 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
2976 sv = newSVpv(dp->d_name, dp->d_namlen);
2978 sv = newSVpv(dp->d_name, 0);
2980 #ifndef INCOMPLETE_TAINTS
2983 XPUSHs(sv_2mortal(sv));
2987 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
2990 sv = newSVpv(dp->d_name, dp->d_namlen);
2992 sv = newSVpv(dp->d_name, 0);
2994 #ifndef INCOMPLETE_TAINTS
2997 XPUSHs(sv_2mortal(sv));
3003 SETERRNO(EBADF,RMS$_ISI);
3004 if (GIMME == G_ARRAY)
3009 DIE(no_dir_func, "readdir");
3016 #if defined(HAS_TELLDIR) || defined(telldir)
3017 # ifdef NEED_TELLDIR_PROTO /* XXX does _anyone_ need this? --AD 2/20/1998 */
3018 long telldir _((DIR *));
3021 register IO *io = GvIOn(gv);
3023 if (!io || !IoDIRP(io))
3026 PUSHi( PerlDir_tell(IoDIRP(io)) );
3030 SETERRNO(EBADF,RMS$_ISI);
3033 DIE(no_dir_func, "telldir");
3040 #if defined(HAS_SEEKDIR) || defined(seekdir)
3043 register IO *io = GvIOn(gv);
3045 if (!io || !IoDIRP(io))
3048 (void)PerlDir_seek(IoDIRP(io), along);
3053 SETERRNO(EBADF,RMS$_ISI);
3056 DIE(no_dir_func, "seekdir");
3063 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3065 register IO *io = GvIOn(gv);
3067 if (!io || !IoDIRP(io))
3070 (void)PerlDir_rewind(IoDIRP(io));
3074 SETERRNO(EBADF,RMS$_ISI);
3077 DIE(no_dir_func, "rewinddir");
3084 #if defined(Direntry_t) && defined(HAS_READDIR)
3086 register IO *io = GvIOn(gv);
3088 if (!io || !IoDIRP(io))
3091 #ifdef VOID_CLOSEDIR
3092 PerlDir_close(IoDIRP(io));
3094 if (PerlDir_close(IoDIRP(io)) < 0) {
3095 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3104 SETERRNO(EBADF,RMS$_IFI);
3107 DIE(no_dir_func, "closedir");
3111 /* Process control. */
3126 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3127 sv_setiv(GvSV(tmpgv), (IV)getpid());
3128 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3133 DIE(no_func, "Unsupported function fork");
3139 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3144 childpid = wait4pid(-1, &argflags, 0);
3145 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3149 DIE(no_func, "Unsupported function wait");
3155 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3163 childpid = wait4pid(childpid, &argflags, optype);
3164 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3168 DIE(no_func, "Unsupported function waitpid");
3174 djSP; dMARK; dORIGMARK; dTARGET;
3179 Sigsave_t ihand,qhand; /* place to save signals during system() */
3181 if (SP - MARK == 1) {
3183 char *junk = SvPV(TOPs, na);
3185 TAINT_PROPER("system");
3188 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3189 while ((childpid = vfork()) == -1) {
3190 if (errno != EAGAIN) {
3199 rsignal_save(SIGINT, SIG_IGN, &ihand);
3200 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3202 result = wait4pid(childpid, &status, 0);
3203 } while (result == -1 && errno == EINTR);
3204 (void)rsignal_restore(SIGINT, &ihand);
3205 (void)rsignal_restore(SIGQUIT, &qhand);
3206 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3207 do_execfree(); /* free any memory child malloced on vfork */
3209 PUSHi(STATUS_CURRENT);
3212 if (op->op_flags & OPf_STACKED) {
3213 SV *really = *++MARK;
3214 value = (I32)do_aexec(really, MARK, SP);
3216 else if (SP - MARK != 1)
3217 value = (I32)do_aexec(Nullsv, MARK, SP);
3219 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3222 #else /* ! FORK or VMS or OS/2 */
3223 if (op->op_flags & OPf_STACKED) {
3224 SV *really = *++MARK;
3225 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3227 else if (SP - MARK != 1)
3228 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3230 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3232 STATUS_NATIVE_SET(value);
3235 PUSHi(STATUS_CURRENT);
3236 #endif /* !FORK or VMS */
3242 djSP; dMARK; dORIGMARK; dTARGET;
3245 if (op->op_flags & OPf_STACKED) {
3246 SV *really = *++MARK;
3247 value = (I32)do_aexec(really, MARK, SP);
3249 else if (SP - MARK != 1)
3251 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3253 value = (I32)do_aexec(Nullsv, MARK, SP);
3257 char *junk = SvPV(*SP, na);
3259 TAINT_PROPER("exec");
3262 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3264 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3274 djSP; dMARK; dTARGET;
3277 value = (I32)apply(op->op_type, MARK, SP);
3282 DIE(no_func, "Unsupported function kill");
3290 XPUSHi( getppid() );
3293 DIE(no_func, "getppid");
3309 value = (I32)BSD_GETPGRP(pid);
3311 if (pid != 0 && pid != getpid())
3312 DIE("POSIX getpgrp can't take an argument");
3313 value = (I32)getpgrp();
3318 DIE(no_func, "getpgrp()");
3337 TAINT_PROPER("setpgrp");
3339 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3341 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3342 DIE("POSIX setpgrp can't take an argument");
3343 SETi( setpgrp() >= 0 );
3344 #endif /* USE_BSDPGRP */
3347 DIE(no_func, "setpgrp()");
3356 #ifdef HAS_GETPRIORITY
3359 SETi( getpriority(which, who) );
3362 DIE(no_func, "getpriority()");
3372 #ifdef HAS_SETPRIORITY
3376 TAINT_PROPER("setpriority");
3377 SETi( setpriority(which, who, niceval) >= 0 );
3380 DIE(no_func, "setpriority()");
3390 XPUSHn( time(Null(Time_t*)) );
3392 XPUSHi( time(Null(Time_t*)) );
3397 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3398 to HZ. Probably. For now, assume that if the system
3399 defines HZ, it does so correctly. (Will this break
3401 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3402 it's supported. --AD 9/96.
3418 DIE("times not implemented");
3423 (void)PerlProc_times(×buf);
3425 (void)PerlProc_times((tbuffer_t *)×buf); /* time.h uses different name for */
3426 /* struct tms, though same data */
3430 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3431 if (GIMME == G_ARRAY) {
3432 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3433 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3434 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3437 #endif /* HAS_TIMES */
3442 return pp_gmtime(ARGS);
3450 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3451 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3452 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3458 when = (Time_t)SvNVx(POPs);
3460 when = (Time_t)SvIVx(POPs);
3463 if (op->op_type == OP_LOCALTIME)
3464 tmbuf = localtime(&when);
3466 tmbuf = gmtime(&when);
3470 if (GIMME != G_ARRAY) {
3475 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3476 dayname[tmbuf->tm_wday],
3477 monname[tmbuf->tm_mon],
3482 tmbuf->tm_year + 1900);
3483 PUSHs(sv_2mortal(tsv));
3486 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3487 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3488 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3489 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3490 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3491 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3492 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3493 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3494 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3505 anum = alarm((unsigned int)anum);
3512 DIE(no_func, "Unsupported function alarm");
3523 (void)time(&lasttime);
3528 PerlProc_sleep((unsigned int)duration);
3531 XPUSHi(when - lasttime);
3535 /* Shared memory. */
3539 return pp_semget(ARGS);
3544 return pp_semctl(ARGS);
3549 return pp_shmwrite(ARGS);
3554 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3555 djSP; dMARK; dTARGET;
3556 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3561 return pp_semget(ARGS);
3565 /* Message passing. */
3569 return pp_semget(ARGS);
3574 return pp_semctl(ARGS);
3579 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3580 djSP; dMARK; dTARGET;
3581 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3586 return pp_semget(ARGS);
3592 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3593 djSP; dMARK; dTARGET;
3594 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3599 return pp_semget(ARGS);
3607 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3608 djSP; dMARK; dTARGET;
3609 int anum = do_ipcget(op->op_type, MARK, SP);
3616 DIE("System V IPC is not implemented on this machine");
3622 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3623 djSP; dMARK; dTARGET;
3624 int anum = do_ipcctl(op->op_type, MARK, SP);
3632 PUSHp(zero_but_true, ZBTLEN);
3636 return pp_semget(ARGS);
3642 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3643 djSP; dMARK; dTARGET;
3644 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3649 return pp_semget(ARGS);
3653 /* Get system info. */
3657 #ifdef HAS_GETHOSTBYNAME
3658 return pp_ghostent(ARGS);
3660 DIE(no_sock_func, "gethostbyname");
3666 #ifdef HAS_GETHOSTBYADDR
3667 return pp_ghostent(ARGS);
3669 DIE(no_sock_func, "gethostbyaddr");
3676 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
3677 I32 which = op->op_type;
3678 register char **elem;
3680 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
3681 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
3682 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
3683 struct hostent *PerlSock_gethostent(void);
3685 struct hostent *hent;
3689 if (which == OP_GHBYNAME)
3690 #ifdef HAS_GETHOSTBYNAME
3691 hent = PerlSock_gethostbyname(POPp);
3693 DIE(no_sock_func, "gethostbyname");
3695 else if (which == OP_GHBYADDR) {
3696 #ifdef HAS_GETHOSTBYADDR
3697 int addrtype = POPi;
3700 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
3702 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
3704 DIE(no_sock_func, "gethostbyaddr");
3708 #ifdef HAS_GETHOSTENT
3709 hent = PerlSock_gethostent();
3711 DIE(no_sock_func, "gethostent");
3714 #ifdef HOST_NOT_FOUND
3716 STATUS_NATIVE_SET(h_errno);
3719 if (GIMME != G_ARRAY) {
3720 PUSHs(sv = sv_newmortal());
3722 if (which == OP_GHBYNAME) {
3724 sv_setpvn(sv, hent->h_addr, hent->h_length);
3727 sv_setpv(sv, (char*)hent->h_name);
3733 PUSHs(sv = sv_mortalcopy(&sv_no));
3734 sv_setpv(sv, (char*)hent->h_name);
3735 PUSHs(sv = sv_mortalcopy(&sv_no));
3736 for (elem = hent->h_aliases; elem && *elem; elem++) {
3737 sv_catpv(sv, *elem);
3739 sv_catpvn(sv, " ", 1);
3741 PUSHs(sv = sv_mortalcopy(&sv_no));
3742 sv_setiv(sv, (IV)hent->h_addrtype);
3743 PUSHs(sv = sv_mortalcopy(&sv_no));
3744 len = hent->h_length;
3745 sv_setiv(sv, (IV)len);
3747 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3748 XPUSHs(sv = sv_mortalcopy(&sv_no));
3749 sv_setpvn(sv, *elem, len);
3752 PUSHs(sv = sv_mortalcopy(&sv_no));
3754 sv_setpvn(sv, hent->h_addr, len);
3759 DIE(no_sock_func, "gethostent");
3765 #ifdef HAS_GETNETBYNAME
3766 return pp_gnetent(ARGS);
3768 DIE(no_sock_func, "getnetbyname");
3774 #ifdef HAS_GETNETBYADDR
3775 return pp_gnetent(ARGS);
3777 DIE(no_sock_func, "getnetbyaddr");
3784 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
3785 I32 which = op->op_type;
3786 register char **elem;
3788 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
3789 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
3790 struct netent *PerlSock_getnetbyname(Netdb_name_t);
3791 struct netent *PerlSock_getnetent(void);
3793 struct netent *nent;
3795 if (which == OP_GNBYNAME)
3796 #ifdef HAS_GETNETBYNAME
3797 nent = PerlSock_getnetbyname(POPp);
3799 DIE(no_sock_func, "getnetbyname");
3801 else if (which == OP_GNBYADDR) {
3802 #ifdef HAS_GETNETBYADDR
3803 int addrtype = POPi;
3804 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
3805 nent = PerlSock_getnetbyaddr(addr, addrtype);
3807 DIE(no_sock_func, "getnetbyaddr");
3811 #ifdef HAS_GETNETENT
3812 nent = PerlSock_getnetent();
3814 DIE(no_sock_func, "getnetent");
3818 if (GIMME != G_ARRAY) {
3819 PUSHs(sv = sv_newmortal());
3821 if (which == OP_GNBYNAME)
3822 sv_setiv(sv, (IV)nent->n_net);
3824 sv_setpv(sv, nent->n_name);
3830 PUSHs(sv = sv_mortalcopy(&sv_no));
3831 sv_setpv(sv, nent->n_name);
3832 PUSHs(sv = sv_mortalcopy(&sv_no));
3833 for (elem = nent->n_aliases; elem && *elem; elem++) {
3834 sv_catpv(sv, *elem);
3836 sv_catpvn(sv, " ", 1);
3838 PUSHs(sv = sv_mortalcopy(&sv_no));
3839 sv_setiv(sv, (IV)nent->n_addrtype);
3840 PUSHs(sv = sv_mortalcopy(&sv_no));
3841 sv_setiv(sv, (IV)nent->n_net);
3846 DIE(no_sock_func, "getnetent");
3852 #ifdef HAS_GETPROTOBYNAME
3853 return pp_gprotoent(ARGS);
3855 DIE(no_sock_func, "getprotobyname");
3861 #ifdef HAS_GETPROTOBYNUMBER
3862 return pp_gprotoent(ARGS);
3864 DIE(no_sock_func, "getprotobynumber");
3871 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
3872 I32 which = op->op_type;
3873 register char **elem;
3875 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
3876 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
3877 struct protoent *PerlSock_getprotobynumber(int);
3878 struct protoent *PerlSock_getprotoent(void);
3880 struct protoent *pent;
3882 if (which == OP_GPBYNAME)
3883 #ifdef HAS_GETPROTOBYNAME
3884 pent = PerlSock_getprotobyname(POPp);
3886 DIE(no_sock_func, "getprotobyname");
3888 else if (which == OP_GPBYNUMBER)
3889 #ifdef HAS_GETPROTOBYNUMBER
3890 pent = PerlSock_getprotobynumber(POPi);
3892 DIE(no_sock_func, "getprotobynumber");
3895 #ifdef HAS_GETPROTOENT
3896 pent = PerlSock_getprotoent();
3898 DIE(no_sock_func, "getprotoent");
3902 if (GIMME != G_ARRAY) {
3903 PUSHs(sv = sv_newmortal());
3905 if (which == OP_GPBYNAME)
3906 sv_setiv(sv, (IV)pent->p_proto);
3908 sv_setpv(sv, pent->p_name);
3914 PUSHs(sv = sv_mortalcopy(&sv_no));
3915 sv_setpv(sv, pent->p_name);
3916 PUSHs(sv = sv_mortalcopy(&sv_no));
3917 for (elem = pent->p_aliases; elem && *elem; elem++) {
3918 sv_catpv(sv, *elem);
3920 sv_catpvn(sv, " ", 1);
3922 PUSHs(sv = sv_mortalcopy(&sv_no));
3923 sv_setiv(sv, (IV)pent->p_proto);
3928 DIE(no_sock_func, "getprotoent");
3934 #ifdef HAS_GETSERVBYNAME
3935 return pp_gservent(ARGS);
3937 DIE(no_sock_func, "getservbyname");
3943 #ifdef HAS_GETSERVBYPORT
3944 return pp_gservent(ARGS);
3946 DIE(no_sock_func, "getservbyport");
3953 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
3954 I32 which = op->op_type;
3955 register char **elem;
3957 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
3958 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
3959 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
3960 struct servent *PerlSock_getservent(void);
3962 struct servent *sent;
3964 if (which == OP_GSBYNAME) {
3965 #ifdef HAS_GETSERVBYNAME
3969 if (proto && !*proto)
3972 sent = PerlSock_getservbyname(name, proto);
3974 DIE(no_sock_func, "getservbyname");
3977 else if (which == OP_GSBYPORT) {
3978 #ifdef HAS_GETSERVBYPORT
3980 unsigned short port = POPu;
3983 port = PerlSock_htons(port);
3985 sent = PerlSock_getservbyport(port, proto);
3987 DIE(no_sock_func, "getservbyport");
3991 #ifdef HAS_GETSERVENT
3992 sent = PerlSock_getservent();
3994 DIE(no_sock_func, "getservent");
3998 if (GIMME != G_ARRAY) {
3999 PUSHs(sv = sv_newmortal());
4001 if (which == OP_GSBYNAME) {
4003 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4005 sv_setiv(sv, (IV)(sent->s_port));
4009 sv_setpv(sv, sent->s_name);
4015 PUSHs(sv = sv_mortalcopy(&sv_no));
4016 sv_setpv(sv, sent->s_name);
4017 PUSHs(sv = sv_mortalcopy(&sv_no));
4018 for (elem = sent->s_aliases; elem && *elem; elem++) {
4019 sv_catpv(sv, *elem);
4021 sv_catpvn(sv, " ", 1);
4023 PUSHs(sv = sv_mortalcopy(&sv_no));
4025 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4027 sv_setiv(sv, (IV)(sent->s_port));
4029 PUSHs(sv = sv_mortalcopy(&sv_no));
4030 sv_setpv(sv, sent->s_proto);
4035 DIE(no_sock_func, "getservent");
4042 #ifdef HAS_SETHOSTENT
4043 PerlSock_sethostent(TOPi);
4046 DIE(no_sock_func, "sethostent");
4053 #ifdef HAS_SETNETENT
4054 PerlSock_setnetent(TOPi);
4057 DIE(no_sock_func, "setnetent");
4064 #ifdef HAS_SETPROTOENT
4065 PerlSock_setprotoent(TOPi);
4068 DIE(no_sock_func, "setprotoent");
4075 #ifdef HAS_SETSERVENT
4076 PerlSock_setservent(TOPi);
4079 DIE(no_sock_func, "setservent");
4086 #ifdef HAS_ENDHOSTENT
4087 PerlSock_endhostent();
4091 DIE(no_sock_func, "endhostent");
4098 #ifdef HAS_ENDNETENT
4099 PerlSock_endnetent();
4103 DIE(no_sock_func, "endnetent");
4110 #ifdef HAS_ENDPROTOENT
4111 PerlSock_endprotoent();
4115 DIE(no_sock_func, "endprotoent");
4122 #ifdef HAS_ENDSERVENT
4123 PerlSock_endservent();
4127 DIE(no_sock_func, "endservent");
4134 return pp_gpwent(ARGS);
4136 DIE(no_func, "getpwnam");
4143 return pp_gpwent(ARGS);
4145 DIE(no_func, "getpwuid");
4152 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4153 I32 which = op->op_type;
4155 struct passwd *pwent;
4157 if (which == OP_GPWNAM)
4158 pwent = getpwnam(POPp);
4159 else if (which == OP_GPWUID)
4160 pwent = getpwuid(POPi);
4162 pwent = (struct passwd *)getpwent();
4165 if (GIMME != G_ARRAY) {
4166 PUSHs(sv = sv_newmortal());
4168 if (which == OP_GPWNAM)
4169 sv_setiv(sv, (IV)pwent->pw_uid);
4171 sv_setpv(sv, pwent->pw_name);
4177 PUSHs(sv = sv_mortalcopy(&sv_no));
4178 sv_setpv(sv, pwent->pw_name);
4180 PUSHs(sv = sv_mortalcopy(&sv_no));
4182 sv_setpv(sv, pwent->pw_passwd);
4185 PUSHs(sv = sv_mortalcopy(&sv_no));
4186 sv_setiv(sv, (IV)pwent->pw_uid);
4188 PUSHs(sv = sv_mortalcopy(&sv_no));
4189 sv_setiv(sv, (IV)pwent->pw_gid);
4191 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4192 PUSHs(sv = sv_mortalcopy(&sv_no));
4194 sv_setiv(sv, (IV)pwent->pw_change);
4197 sv_setiv(sv, (IV)pwent->pw_quota);
4200 sv_setpv(sv, pwent->pw_age);
4205 /* pw_class and pw_comment are mutually exclusive. */
4206 PUSHs(sv = sv_mortalcopy(&sv_no));
4208 sv_setpv(sv, pwent->pw_class);
4211 sv_setpv(sv, pwent->pw_comment);
4215 PUSHs(sv = sv_mortalcopy(&sv_no));
4217 sv_setpv(sv, pwent->pw_gecos);
4219 #ifndef INCOMPLETE_TAINTS
4220 /* pw_gecos is tainted because user himself can diddle with it. */
4224 PUSHs(sv = sv_mortalcopy(&sv_no));
4225 sv_setpv(sv, pwent->pw_dir);
4227 PUSHs(sv = sv_mortalcopy(&sv_no));
4228 sv_setpv(sv, pwent->pw_shell);
4231 PUSHs(sv = sv_mortalcopy(&sv_no));
4232 sv_setiv(sv, (IV)pwent->pw_expire);
4237 DIE(no_func, "getpwent");
4244 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4248 DIE(no_func, "setpwent");
4255 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4259 DIE(no_func, "endpwent");
4266 return pp_ggrent(ARGS);
4268 DIE(no_func, "getgrnam");
4275 return pp_ggrent(ARGS);
4277 DIE(no_func, "getgrgid");
4284 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4285 I32 which = op->op_type;
4286 register char **elem;
4288 struct group *grent;
4290 if (which == OP_GGRNAM)
4291 grent = (struct group *)getgrnam(POPp);
4292 else if (which == OP_GGRGID)
4293 grent = (struct group *)getgrgid(POPi);
4295 grent = (struct group *)getgrent();
4298 if (GIMME != G_ARRAY) {
4299 PUSHs(sv = sv_newmortal());
4301 if (which == OP_GGRNAM)
4302 sv_setiv(sv, (IV)grent->gr_gid);
4304 sv_setpv(sv, grent->gr_name);
4310 PUSHs(sv = sv_mortalcopy(&sv_no));
4311 sv_setpv(sv, grent->gr_name);
4313 PUSHs(sv = sv_mortalcopy(&sv_no));
4315 sv_setpv(sv, grent->gr_passwd);
4318 PUSHs(sv = sv_mortalcopy(&sv_no));
4319 sv_setiv(sv, (IV)grent->gr_gid);
4321 PUSHs(sv = sv_mortalcopy(&sv_no));
4322 for (elem = grent->gr_mem; elem && *elem; elem++) {
4323 sv_catpv(sv, *elem);
4325 sv_catpvn(sv, " ", 1);
4331 DIE(no_func, "getgrent");
4338 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4342 DIE(no_func, "setgrent");
4349 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4353 DIE(no_func, "endgrent");
4363 if (!(tmps = PerlProc_getlogin()))
4365 PUSHp(tmps, strlen(tmps));
4368 DIE(no_func, "getlogin");
4372 /* Miscellaneous. */
4377 djSP; dMARK; dORIGMARK; dTARGET;
4378 register I32 items = SP - MARK;
4379 unsigned long a[20];
4385 while (++MARK <= SP) {
4386 if (SvTAINTED(*MARK)) {
4392 TAINT_PROPER("syscall");
4395 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4396 * or where sizeof(long) != sizeof(char*). But such machines will
4397 * not likely have syscall implemented either, so who cares?
4399 while (++MARK <= SP) {
4400 if (SvNIOK(*MARK) || !i)
4401 a[i++] = SvIV(*MARK);
4402 else if (*MARK == &sv_undef)
4405 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4411 DIE("Too many args to syscall");
4413 DIE("Too few args to syscall");
4415 retval = syscall(a[0]);
4418 retval = syscall(a[0],a[1]);
4421 retval = syscall(a[0],a[1],a[2]);
4424 retval = syscall(a[0],a[1],a[2],a[3]);
4427 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4430 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4433 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4436 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4440 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4443 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4446 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4450 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4454 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4458 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4459 a[10],a[11],a[12],a[13]);
4461 #endif /* atarist */
4467 DIE(no_func, "syscall");
4471 #ifdef FCNTL_EMULATE_FLOCK
4473 /* XXX Emulate flock() with fcntl().
4474 What's really needed is a good file locking module.
4478 fcntl_emulate_flock(int fd, int operation)
4482 switch (operation & ~LOCK_NB) {
4484 flock.l_type = F_RDLCK;
4487 flock.l_type = F_WRLCK;
4490 flock.l_type = F_UNLCK;
4496 flock.l_whence = SEEK_SET;
4497 flock.l_start = flock.l_len = 0L;
4499 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4502 #endif /* FCNTL_EMULATE_FLOCK */
4504 #ifdef LOCKF_EMULATE_FLOCK
4506 /* XXX Emulate flock() with lockf(). This is just to increase
4507 portability of scripts. The calls are not completely
4508 interchangeable. What's really needed is a good file
4512 /* The lockf() constants might have been defined in <unistd.h>.
4513 Unfortunately, <unistd.h> causes troubles on some mixed
4514 (BSD/POSIX) systems, such as SunOS 4.1.3.
4516 Further, the lockf() constants aren't POSIX, so they might not be
4517 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4518 just stick in the SVID values and be done with it. Sigh.
4522 # define F_ULOCK 0 /* Unlock a previously locked region */
4525 # define F_LOCK 1 /* Lock a region for exclusive use */
4528 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4531 # define F_TEST 3 /* Test a region for other processes locks */
4535 lockf_emulate_flock (fd, operation)
4543 /* flock locks entire file so for lockf we need to do the same */
4545 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4546 if (pos > 0) /* is seekable and needs to be repositioned */
4547 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4548 pos = -1; /* seek failed, so don't seek back afterwards */
4551 switch (operation) {
4553 /* LOCK_SH - get a shared lock */
4555 /* LOCK_EX - get an exclusive lock */
4557 i = lockf (fd, F_LOCK, 0);
4560 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4561 case LOCK_SH|LOCK_NB:
4562 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4563 case LOCK_EX|LOCK_NB:
4564 i = lockf (fd, F_TLOCK, 0);
4566 if ((errno == EAGAIN) || (errno == EACCES))
4567 errno = EWOULDBLOCK;
4570 /* LOCK_UN - unlock (non-blocking is a no-op) */
4572 case LOCK_UN|LOCK_NB:
4573 i = lockf (fd, F_ULOCK, 0);
4576 /* Default - can't decipher operation */
4583 if (pos > 0) /* need to restore position of the handle */
4584 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4589 #endif /* LOCKF_EMULATE_FLOCK */