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");
520 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
523 if (do_binmode(fp,IoTYPE(io),TRUE))
538 I32 markoff = MARK - stack_base;
544 switch(SvTYPE(varsv)) {
546 methname = "TIEHASH";
549 methname = "TIEARRAY";
552 methname = "TIEHANDLE";
556 methname = "TIESCALAR";
561 if (sv_isobject(*MARK)) {
563 PUSHSTACKi(PERLSI_MAGIC);
569 perl_call_method(methname, G_SCALAR);
572 /* Not clear why we don't call perl_call_method here too.
573 * perhaps to get different error message ?
575 stash = gv_stashsv(*MARK, FALSE);
576 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
577 DIE("Can't locate object method \"%s\" via package \"%s\"",
578 methname, SvPV(*MARK,na));
581 PUSHSTACKi(PERLSI_MAGIC);
587 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
593 if (sv_isobject(sv)) {
594 sv_unmagic(varsv, how);
595 sv_magic(varsv, sv, how, Nullch, 0);
598 SP = stack_base + markoff;
613 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
614 mg = mg_find(sv, 'P') ;
616 mg = mg_find(sv, 'q') ;
618 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
619 warn("untie attempted while %lu inner references still exist",
620 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
624 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
639 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
640 mg = mg_find(sv, 'P') ;
642 mg = mg_find(sv, 'q') ;
645 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
663 sv = sv_mortalcopy(&sv_no);
664 sv_setpv(sv, "AnyDBM_File");
665 stash = gv_stashsv(sv, FALSE);
666 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
668 perl_require_pv("AnyDBM_File.pm");
670 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
671 DIE("No dbm on this machine");
681 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
683 PUSHs(sv_2mortal(newSViv(O_RDWR)));
686 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
689 if (!sv_isobject(TOPs)) {
694 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
697 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
701 if (sv_isobject(TOPs)) {
702 sv_unmagic((SV *) hv, 'P');
703 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
711 return pp_untie(ARGS);
725 struct timeval timebuf;
726 struct timeval *tbuf = &timebuf;
729 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
734 # if BYTEORDER & 0xf0000
735 # define ORDERBYTE (0x88888888 - BYTEORDER)
737 # define ORDERBYTE (0x4444 - BYTEORDER)
743 for (i = 1; i <= 3; i++) {
751 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
752 #if defined(__linux__) || defined(OS2)
753 growsize = sizeof(fd_set);
755 growsize = maxlen; /* little endians can use vecs directly */
764 masksize = NFDBITS / NBBY;
766 masksize = sizeof(long); /* documented int, everyone seems to use long */
768 growsize = maxlen + (masksize - (maxlen % masksize));
769 Zero(&fd_sets[0], 4, char*);
777 timebuf.tv_sec = (long)value;
778 value -= (double)timebuf.tv_sec;
779 timebuf.tv_usec = (long)(value * 1000000.0);
782 tbuf = Null(struct timeval*);
784 for (i = 1; i <= 3; i++) {
791 SvPV_force(sv,na); /* force string conversion */
794 Sv_Grow(sv, growsize);
798 while (++j <= growsize) {
802 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
804 New(403, fd_sets[i], growsize, char);
805 for (offset = 0; offset < growsize; offset += masksize) {
806 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
807 fd_sets[i][j+offset] = s[(k % masksize) + offset];
810 fd_sets[i] = SvPVX(sv);
814 nfound = PerlSock_select(
816 (Select_fd_set_t) fd_sets[1],
817 (Select_fd_set_t) fd_sets[2],
818 (Select_fd_set_t) fd_sets[3],
820 for (i = 1; i <= 3; i++) {
823 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
825 for (offset = 0; offset < growsize; offset += masksize) {
826 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
827 s[(k % masksize) + offset] = fd_sets[i][j+offset];
829 Safefree(fd_sets[i]);
836 if (GIMME == G_ARRAY && tbuf) {
837 value = (double)(timebuf.tv_sec) +
838 (double)(timebuf.tv_usec) / 1000000.0;
839 PUSHs(sv = sv_mortalcopy(&sv_no));
844 DIE("select not implemented");
853 (void)SvREFCNT_inc(gv);
855 SvREFCNT_dec(defoutgv);
865 newdefout = (op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
867 egv = GvEGV(defoutgv);
874 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
875 if (gvp && *gvp == egv) {
876 gv_efullname3(TARG, defoutgv, Nullch);
880 XPUSHs(sv_2mortal(newRV((SV*)egv)));
885 if (!GvIO(newdefout))
887 setdefout(newdefout);
906 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
912 perl_call_method("GETC", gimme);
915 if (gimme == G_SCALAR)
916 SvSetMagicSV_nosteal(TARG, TOPs);
919 if (!gv || do_eof(gv)) /* make sure we have fp with something */
923 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
930 return pp_sysread(ARGS);
934 doform(CV *cv, GV *gv, OP *retop)
937 register PERL_CONTEXT *cx;
939 AV* padlist = CvPADLIST(cv);
940 SV** svp = AvARRAY(padlist);
946 PUSHBLOCK(cx, CXt_SUB, stack_sp);
949 curpad = AvARRAY((AV*)svp[1]);
951 setdefout(gv); /* locally select filehandle so $% et al work */
983 SV *tmpsv = sv_newmortal();
984 gv_efullname3(tmpsv, fgv, Nullch);
985 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
987 DIE("Not a format reference");
990 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
992 IoFLAGS(io) &= ~IOf_DIDTOP;
993 return doform(cv,gv,op->op_next);
999 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1000 register IO *io = GvIOp(gv);
1001 PerlIO *ofp = IoOFP(io);
1005 register PERL_CONTEXT *cx;
1007 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1008 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
1009 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
1010 formtarget != toptarget)
1014 if (!IoTOP_GV(io)) {
1018 if (!IoTOP_NAME(io)) {
1019 if (!IoFMT_NAME(io))
1020 IoFMT_NAME(io) = savepv(GvNAME(gv));
1021 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1022 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1023 if ((topgv && GvFORM(topgv)) ||
1024 !gv_fetchpv("top",FALSE,SVt_PVFM))
1025 IoTOP_NAME(io) = savepv(SvPVX(topname));
1027 IoTOP_NAME(io) = savepv("top");
1029 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1030 if (!topgv || !GvFORM(topgv)) {
1031 IoLINES_LEFT(io) = 100000000;
1034 IoTOP_GV(io) = topgv;
1036 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1037 I32 lines = IoLINES_LEFT(io);
1038 char *s = SvPVX(formtarget);
1039 if (lines <= 0) /* Yow, header didn't even fit!!! */
1041 while (lines-- > 0) {
1042 s = strchr(s, '\n');
1048 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1049 sv_chop(formtarget, s);
1050 FmLINES(formtarget) -= IoLINES_LEFT(io);
1053 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1054 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1055 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1057 formtarget = toptarget;
1058 IoFLAGS(io) |= IOf_DIDTOP;
1061 DIE("bad top format reference");
1064 SV *tmpsv = sv_newmortal();
1065 gv_efullname3(tmpsv, fgv, Nullch);
1066 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1069 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1070 return doform(cv,gv,op);
1082 warn("Filehandle only opened for input");
1084 warn("Write on closed filehandle");
1089 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1091 warn("page overflow");
1093 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1097 FmLINES(formtarget) = 0;
1098 SvCUR_set(formtarget, 0);
1099 *SvEND(formtarget) = '\0';
1100 if (IoFLAGS(io) & IOf_FLUSH)
1101 (void)PerlIO_flush(fp);
1105 formtarget = bodytarget;
1107 return pop_return();
1112 djSP; dMARK; dORIGMARK;
1119 if (op->op_flags & OPf_STACKED)
1124 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1125 if (MARK == ORIGMARK) {
1128 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1135 perl_call_method("PRINTF", G_SCALAR);
1138 MARK = ORIGMARK + 1;
1145 if (!(io = GvIO(gv))) {
1147 gv_fullname3(sv, gv, Nullch);
1148 warn("Filehandle %s never opened", SvPV(sv,na));
1150 SETERRNO(EBADF,RMS$_IFI);
1153 else if (!(fp = IoOFP(io))) {
1155 gv_fullname3(sv, gv, Nullch);
1157 warn("Filehandle %s opened only for input", SvPV(sv,na));
1159 warn("printf on closed filehandle %s", SvPV(sv,na));
1161 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1165 #ifdef USE_LOCALE_NUMERIC
1166 if (op->op_private & OPpLOCALE)
1167 SET_NUMERIC_LOCAL();
1169 SET_NUMERIC_STANDARD();
1171 do_sprintf(sv, SP - MARK, MARK + 1);
1172 if (!do_print(sv, fp))
1175 if (IoFLAGS(io) & IOf_FLUSH)
1176 if (PerlIO_flush(fp) == EOF)
1208 tmps = SvPV(sv, len);
1209 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1210 IoLINES(GvIOp(gv)) = 0;
1221 djSP; dMARK; dORIGMARK; dTARGET;
1227 Sock_size_t bufsize;
1233 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1234 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1241 perl_call_method("READ", G_SCALAR);
1254 sv_setpvn(bufsv, "", 0);
1255 buffer = SvPV_force(bufsv, blen);
1256 length = SvIVx(*++MARK);
1258 DIE("Negative length");
1261 offset = SvIVx(*++MARK);
1265 if (!io || !IoIFP(io))
1268 if (op->op_type == OP_RECV) {
1269 char namebuf[MAXPATHLEN];
1270 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1271 bufsize = sizeof (struct sockaddr_in);
1273 bufsize = sizeof namebuf;
1275 buffer = SvGROW(bufsv, length+1);
1276 /* 'offset' means 'flags' here */
1277 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1278 (struct sockaddr *)namebuf, &bufsize);
1281 SvCUR_set(bufsv, length);
1282 *SvEND(bufsv) = '\0';
1283 (void)SvPOK_only(bufsv);
1285 /* This should not be marked tainted if the fp is marked clean */
1286 if (!(IoFLAGS(io) & IOf_UNTAINT))
1287 SvTAINTED_on(bufsv);
1289 sv_setpvn(TARG, namebuf, bufsize);
1294 if (op->op_type == OP_RECV)
1295 DIE(no_sock_func, "recv");
1299 DIE("Offset outside string");
1302 bufsize = SvCUR(bufsv);
1303 buffer = SvGROW(bufsv, length+offset+1);
1304 if (offset > bufsize) { /* Zero any newly allocated space */
1305 Zero(buffer+bufsize, offset-bufsize, char);
1307 if (op->op_type == OP_SYSREAD) {
1308 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1311 #ifdef HAS_SOCKET__bad_code_maybe
1312 if (IoTYPE(io) == 's') {
1313 char namebuf[MAXPATHLEN];
1314 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1315 bufsize = sizeof (struct sockaddr_in);
1317 bufsize = sizeof namebuf;
1319 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1320 (struct sockaddr *)namebuf, &bufsize);
1325 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1326 /* fread() returns 0 on both error and EOF */
1327 if (PerlIO_error(IoIFP(io)))
1332 SvCUR_set(bufsv, length+offset);
1333 *SvEND(bufsv) = '\0';
1334 (void)SvPOK_only(bufsv);
1336 /* This should not be marked tainted if the fp is marked clean */
1337 if (!(IoFLAGS(io) & IOf_UNTAINT))
1338 SvTAINTED_on(bufsv);
1350 return pp_send(ARGS);
1355 djSP; dMARK; dORIGMARK; dTARGET;
1366 if (op->op_type == OP_SYSWRITE &&
1367 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1374 perl_call_method("WRITE", G_SCALAR);
1385 buffer = SvPV(bufsv, blen);
1386 length = SvIVx(*++MARK);
1388 DIE("Negative length");
1391 if (!io || !IoIFP(io)) {
1394 if (op->op_type == OP_SYSWRITE)
1395 warn("Syswrite on closed filehandle");
1397 warn("Send on closed socket");
1400 else if (op->op_type == OP_SYSWRITE) {
1402 offset = SvIVx(*++MARK);
1405 DIE("Offset outside string");
1407 } else if (offset >= blen && blen > 0)
1408 DIE("Offset outside string");
1411 if (length > blen - offset)
1412 length = blen - offset;
1413 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1416 else if (SP > MARK) {
1419 sockbuf = SvPVx(*++MARK, mlen);
1420 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1421 (struct sockaddr *)sockbuf, mlen);
1424 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1428 DIE(no_sock_func, "send");
1443 return pp_sysread(ARGS);
1454 gv = last_in_gv = (GV*)POPs;
1455 PUSHs(boolSV(!gv || do_eof(gv)));
1467 gv = last_in_gv = (GV*)POPs;
1468 PUSHi( do_tell(gv) );
1474 return pp_sysseek(ARGS);
1484 gv = last_in_gv = (GV*)POPs;
1485 if (op->op_type == OP_SEEK)
1486 PUSHs(boolSV(do_seek(gv, offset, whence)));
1488 long n = do_sysseek(gv, offset, whence);
1489 PUSHs((n < 0) ? &sv_undef
1490 : sv_2mortal(n ? newSViv((IV)n)
1491 : newSVpv(zero_but_true, ZBTLEN)));
1499 Off_t len = (Off_t)POPn;
1504 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1505 if (op->op_flags & OPf_SPECIAL) {
1506 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1508 TAINT_PROPER("truncate");
1509 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1511 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1513 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1521 if (SvTYPE(sv) == SVt_PVGV) {
1522 tmpgv = (GV*)sv; /* *main::FRED for example */
1525 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1526 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1530 name = SvPV(sv, na);
1531 TAINT_PROPER("truncate");
1533 if (truncate(name, len) < 0)
1538 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1541 if (my_chsize(tmpfd, len) < 0)
1543 PerlLIO_close(tmpfd);
1552 SETERRNO(EBADF,RMS$_IFI);
1555 DIE("truncate not implemented");
1561 return pp_ioctl(ARGS);
1568 unsigned int func = U_I(POPn);
1569 int optype = op->op_type;
1575 if (!io || !argsv || !IoIFP(io)) {
1576 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1580 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1583 s = SvPV_force(argsv, len);
1584 need = IOCPARM_LEN(func);
1586 s = Sv_Grow(argsv, need + 1);
1587 SvCUR_set(argsv, need);
1590 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1593 retval = SvIV(argsv);
1594 s = (char*)retval; /* ouch */
1597 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1599 if (optype == OP_IOCTL)
1601 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1603 DIE("ioctl is not implemented");
1607 #if defined(OS2) && defined(__EMX__)
1608 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1610 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1613 DIE("fcntl is not implemented");
1617 if (s[SvCUR(argsv)] != 17)
1618 DIE("Possible memory corruption: %s overflowed 3rd argument",
1620 s[SvCUR(argsv)] = 0; /* put our null back */
1621 SvSETMAGIC(argsv); /* Assume it has changed */
1630 PUSHp(zero_but_true, ZBTLEN);
1650 fp = IoIFP(GvIOp(gv));
1654 (void)PerlIO_flush(fp);
1655 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1662 DIE(no_func, "flock()");
1674 int protocol = POPi;
1682 SETERRNO(EBADF,LIB$_INVARG);
1688 do_close(gv, FALSE);
1690 TAINT_PROPER("socket");
1691 fd = PerlSock_socket(domain, type, protocol);
1694 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1695 IoOFP(io) = PerlIO_fdopen(fd, "w");
1697 if (!IoIFP(io) || !IoOFP(io)) {
1698 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1699 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1700 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1706 DIE(no_sock_func, "socket");
1713 #ifdef HAS_SOCKETPAIR
1718 int protocol = POPi;
1731 do_close(gv1, FALSE);
1733 do_close(gv2, FALSE);
1735 TAINT_PROPER("socketpair");
1736 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1738 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1739 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1741 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1742 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1744 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1745 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1746 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1747 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1748 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1749 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1750 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1756 DIE(no_sock_func, "socketpair");
1767 register IO *io = GvIOn(gv);
1770 if (!io || !IoIFP(io))
1773 addr = SvPV(addrsv, len);
1774 TAINT_PROPER("bind");
1775 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1782 warn("bind() on closed fd");
1783 SETERRNO(EBADF,SS$_IVCHAN);
1786 DIE(no_sock_func, "bind");
1797 register IO *io = GvIOn(gv);
1800 if (!io || !IoIFP(io))
1803 addr = SvPV(addrsv, len);
1804 TAINT_PROPER("connect");
1805 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1812 warn("connect() on closed fd");
1813 SETERRNO(EBADF,SS$_IVCHAN);
1816 DIE(no_sock_func, "connect");
1826 register IO *io = GvIOn(gv);
1828 if (!io || !IoIFP(io))
1831 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1838 warn("listen() on closed fd");
1839 SETERRNO(EBADF,SS$_IVCHAN);
1842 DIE(no_sock_func, "listen");
1854 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1855 Sock_size_t len = sizeof saddr;
1867 if (!gstio || !IoIFP(gstio))
1872 do_close(ngv, FALSE);
1874 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1877 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1878 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1879 IoTYPE(nstio) = 's';
1880 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1881 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1882 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1883 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
1887 PUSHp((char *)&saddr, len);
1892 warn("accept() on closed fd");
1893 SETERRNO(EBADF,SS$_IVCHAN);
1899 DIE(no_sock_func, "accept");
1909 register IO *io = GvIOn(gv);
1911 if (!io || !IoIFP(io))
1914 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1919 warn("shutdown() on closed fd");
1920 SETERRNO(EBADF,SS$_IVCHAN);
1923 DIE(no_sock_func, "shutdown");
1930 return pp_ssockopt(ARGS);
1932 DIE(no_sock_func, "getsockopt");
1940 int optype = op->op_type;
1943 unsigned int optname;
1949 if (optype == OP_GSOCKOPT)
1950 sv = sv_2mortal(NEWSV(22, 257));
1953 optname = (unsigned int) POPi;
1954 lvl = (unsigned int) POPi;
1958 if (!io || !IoIFP(io))
1961 fd = PerlIO_fileno(IoIFP(io));
1965 (void)SvPOK_only(sv);
1969 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1983 aint = (int)SvIV(sv);
1987 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
1997 warn("[gs]etsockopt() on closed fd");
1998 SETERRNO(EBADF,SS$_IVCHAN);
2003 DIE(no_sock_func, "setsockopt");
2010 return pp_getpeername(ARGS);
2012 DIE(no_sock_func, "getsockname");
2020 int optype = op->op_type;
2024 register IO *io = GvIOn(gv);
2027 if (!io || !IoIFP(io))
2030 sv = sv_2mortal(NEWSV(22, 257));
2031 (void)SvPOK_only(sv);
2035 fd = PerlIO_fileno(IoIFP(io));
2037 case OP_GETSOCKNAME:
2038 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2041 case OP_GETPEERNAME:
2042 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2044 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2046 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2047 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2048 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2049 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2050 sizeof(u_short) + sizeof(struct in_addr))) {
2057 #ifdef BOGUS_GETNAME_RETURN
2058 /* Interactive Unix, getpeername() and getsockname()
2059 does not return valid namelen */
2060 if (len == BOGUS_GETNAME_RETURN)
2061 len = sizeof(struct sockaddr);
2070 warn("get{sock, peer}name() on closed fd");
2071 SETERRNO(EBADF,SS$_IVCHAN);
2076 DIE(no_sock_func, "getpeername");
2084 return pp_stat(ARGS);
2094 if (op->op_flags & OPf_REF) {
2095 tmpgv = cGVOP->op_gv;
2097 if (tmpgv != defgv) {
2098 laststype = OP_STAT;
2100 sv_setpv(statname, "");
2101 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2102 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2104 if (laststatval < 0)
2109 if (SvTYPE(sv) == SVt_PVGV) {
2113 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2114 tmpgv = (GV*)SvRV(sv);
2117 sv_setpv(statname, SvPV(sv,na));
2120 laststype = op->op_type;
2121 if (op->op_type == OP_LSTAT)
2122 laststatval = PerlLIO_lstat(SvPV(statname, na), &statcache);
2125 laststatval = PerlLIO_stat(SvPV(statname, na), &statcache);
2126 if (laststatval < 0) {
2127 if (dowarn && strchr(SvPV(statname, na), '\n'))
2128 warn(warn_nl, "stat");
2134 if (gimme != G_ARRAY) {
2135 if (gimme != G_VOID)
2136 XPUSHs(boolSV(max));
2142 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2143 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2144 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2145 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2146 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2147 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2148 #ifdef USE_STAT_RDEV
2149 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2151 PUSHs(sv_2mortal(newSVpv("", 0)));
2153 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2155 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2156 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2157 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2159 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2160 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2161 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2163 #ifdef USE_STAT_BLOCKS
2164 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2165 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2167 PUSHs(sv_2mortal(newSVpv("", 0)));
2168 PUSHs(sv_2mortal(newSVpv("", 0)));
2176 I32 result = my_stat(ARGS);
2180 if (cando(S_IRUSR, 0, &statcache))
2187 I32 result = my_stat(ARGS);
2191 if (cando(S_IWUSR, 0, &statcache))
2198 I32 result = my_stat(ARGS);
2202 if (cando(S_IXUSR, 0, &statcache))
2209 I32 result = my_stat(ARGS);
2213 if (cando(S_IRUSR, 1, &statcache))
2220 I32 result = my_stat(ARGS);
2224 if (cando(S_IWUSR, 1, &statcache))
2231 I32 result = my_stat(ARGS);
2235 if (cando(S_IXUSR, 1, &statcache))
2242 I32 result = my_stat(ARGS);
2251 return pp_ftrowned(ARGS);
2256 I32 result = my_stat(ARGS);
2260 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2267 I32 result = my_stat(ARGS);
2271 if (!statcache.st_size)
2278 I32 result = my_stat(ARGS);
2282 PUSHi(statcache.st_size);
2288 I32 result = my_stat(ARGS);
2292 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2298 I32 result = my_stat(ARGS);
2302 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2308 I32 result = my_stat(ARGS);
2312 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2318 I32 result = my_stat(ARGS);
2322 if (S_ISSOCK(statcache.st_mode))
2329 I32 result = my_stat(ARGS);
2333 if (S_ISCHR(statcache.st_mode))
2340 I32 result = my_stat(ARGS);
2344 if (S_ISBLK(statcache.st_mode))
2351 I32 result = my_stat(ARGS);
2355 if (S_ISREG(statcache.st_mode))
2362 I32 result = my_stat(ARGS);
2366 if (S_ISDIR(statcache.st_mode))
2373 I32 result = my_stat(ARGS);
2377 if (S_ISFIFO(statcache.st_mode))
2384 I32 result = my_lstat(ARGS);
2388 if (S_ISLNK(statcache.st_mode))
2397 I32 result = my_stat(ARGS);
2401 if (statcache.st_mode & S_ISUID)
2411 I32 result = my_stat(ARGS);
2415 if (statcache.st_mode & S_ISGID)
2425 I32 result = my_stat(ARGS);
2429 if (statcache.st_mode & S_ISVTX)
2440 char *tmps = Nullch;
2442 if (op->op_flags & OPf_REF)
2444 else if (isGV(TOPs))
2446 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2447 gv = (GV*)SvRV(POPs);
2449 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2451 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2452 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2453 else if (tmps && isDIGIT(*tmps))
2457 if (PerlLIO_isatty(fd))
2462 #if defined(atarist) /* this will work with atariST. Configure will
2463 make guesses for other systems. */
2464 # define FILE_base(f) ((f)->_base)
2465 # define FILE_ptr(f) ((f)->_ptr)
2466 # define FILE_cnt(f) ((f)->_cnt)
2467 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2477 register STDCHAR *s;
2482 if (op->op_flags & OPf_REF)
2484 else if (isGV(TOPs))
2486 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2487 gv = (GV*)SvRV(POPs);
2498 goto really_filename;
2504 sv_setpv(statname, "");
2507 if (io && IoIFP(io)) {
2508 if (! PerlIO_has_base(IoIFP(io)))
2509 DIE("-T and -B not implemented on filehandles");
2510 laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2511 if (laststatval < 0)
2513 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2514 if (op->op_type == OP_FTTEXT)
2518 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2519 i = PerlIO_getc(IoIFP(io));
2521 (void)PerlIO_ungetc(IoIFP(io),i);
2523 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2525 len = PerlIO_get_bufsiz(IoIFP(io));
2526 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2527 /* sfio can have large buffers - limit to 512 */
2533 warn("Test on unopened file <%s>",
2534 GvENAME(cGVOP->op_gv));
2535 SETERRNO(EBADF,RMS$_IFI);
2544 sv_setpv(statname, SvPV(sv, na));
2546 i = PerlLIO_open3(SvPV(sv, na), O_RDONLY, 0);
2548 i = PerlLIO_open(SvPV(sv, na), 0);
2551 if (dowarn && strchr(SvPV(sv, na), '\n'))
2552 warn(warn_nl, "open");
2555 laststatval = PerlLIO_fstat(i, &statcache);
2556 if (laststatval < 0)
2558 len = PerlLIO_read(i, tbuf, 512);
2559 (void)PerlLIO_close(i);
2561 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2562 RETPUSHNO; /* special case NFS directories */
2563 RETPUSHYES; /* null file is anything */
2568 /* now scan s to look for textiness */
2569 /* XXX ASCII dependent code */
2571 for (i = 0; i < len; i++, s++) {
2572 if (!*s) { /* null never allowed in text */
2579 *s != '\n' && *s != '\r' && *s != '\b' &&
2580 *s != '\t' && *s != '\f' && *s != 27)
2584 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2592 return pp_fttext(ARGS);
2607 if (!tmps || !*tmps) {
2608 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2610 tmps = SvPV(*svp, na);
2612 if (!tmps || !*tmps) {
2613 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2615 tmps = SvPV(*svp, na);
2618 if (!tmps || !*tmps) {
2619 svp = hv_fetch(GvHVn(envgv), "SYS$LOGIN", 9, FALSE);
2621 tmps = SvPV(*svp, na);
2624 TAINT_PROPER("chdir");
2625 PUSHi( PerlDir_chdir(tmps) >= 0 );
2627 /* Clear the DEFAULT element of ENV so we'll get the new value
2629 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2636 djSP; dMARK; dTARGET;
2639 value = (I32)apply(op->op_type, MARK, SP);
2644 DIE(no_func, "Unsupported function chown");
2654 TAINT_PROPER("chroot");
2655 PUSHi( chroot(tmps) >= 0 );
2658 DIE(no_func, "chroot");
2664 djSP; dMARK; dTARGET;
2666 value = (I32)apply(op->op_type, MARK, SP);
2674 djSP; dMARK; dTARGET;
2676 value = (I32)apply(op->op_type, MARK, SP);
2684 djSP; dMARK; dTARGET;
2686 value = (I32)apply(op->op_type, MARK, SP);
2698 char *tmps = SvPV(TOPs, na);
2699 TAINT_PROPER("rename");
2701 anum = PerlLIO_rename(tmps, tmps2);
2703 if (!(anum = PerlLIO_stat(tmps, &statbuf))) {
2704 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2707 if (euid || PerlLIO_stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2708 (void)UNLINK(tmps2);
2709 if (!(anum = link(tmps, tmps2)))
2710 anum = UNLINK(tmps);
2723 char *tmps = SvPV(TOPs, na);
2724 TAINT_PROPER("link");
2725 SETi( link(tmps, tmps2) >= 0 );
2727 DIE(no_func, "Unsupported function link");
2737 char *tmps = SvPV(TOPs, na);
2738 TAINT_PROPER("symlink");
2739 SETi( symlink(tmps, tmps2) >= 0 );
2742 DIE(no_func, "symlink");
2751 char buf[MAXPATHLEN];
2754 #ifndef INCOMPLETE_TAINTS
2758 len = readlink(tmps, buf, sizeof buf);
2766 RETSETUNDEF; /* just pretend it's a normal file */
2770 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2772 dooneliner(cmd, filename)
2776 char *save_filename = filename;
2782 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2783 strcpy(cmdline, cmd);
2784 strcat(cmdline, " ");
2785 for (s = cmdline + strlen(cmdline); *filename; ) {
2790 myfp = PerlProc_popen(cmdline, "r");
2794 SV *tmpsv = sv_newmortal();
2795 /* Need to save/restore 'rs' ?? */
2796 s = sv_gets(tmpsv, myfp, 0);
2797 (void)PerlProc_pclose(myfp);
2801 #ifdef HAS_SYS_ERRLIST
2806 /* you don't see this */
2808 #ifdef HAS_SYS_ERRLIST
2816 if (instr(s, errmsg)) {
2823 #define EACCES EPERM
2825 if (instr(s, "cannot make"))
2826 SETERRNO(EEXIST,RMS$_FEX);
2827 else if (instr(s, "existing file"))
2828 SETERRNO(EEXIST,RMS$_FEX);
2829 else if (instr(s, "ile exists"))
2830 SETERRNO(EEXIST,RMS$_FEX);
2831 else if (instr(s, "non-exist"))
2832 SETERRNO(ENOENT,RMS$_FNF);
2833 else if (instr(s, "does not exist"))
2834 SETERRNO(ENOENT,RMS$_FNF);
2835 else if (instr(s, "not empty"))
2836 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2837 else if (instr(s, "cannot access"))
2838 SETERRNO(EACCES,RMS$_PRV);
2840 SETERRNO(EPERM,RMS$_PRV);
2843 else { /* some mkdirs return no failure indication */
2844 anum = (PerlLIO_stat(save_filename, &statbuf) >= 0);
2845 if (op->op_type == OP_RMDIR)
2850 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2866 char *tmps = SvPV(TOPs, na);
2868 TAINT_PROPER("mkdir");
2870 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
2872 SETi( dooneliner("mkdir", tmps) );
2873 oldumask = PerlLIO_umask(0);
2874 PerlLIO_umask(oldumask);
2875 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
2886 TAINT_PROPER("rmdir");
2888 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
2890 XPUSHi( dooneliner("rmdir", tmps) );
2895 /* Directory calls. */
2900 #if defined(Direntry_t) && defined(HAS_READDIR)
2901 char *dirname = POPp;
2903 register IO *io = GvIOn(gv);
2909 PerlDir_close(IoDIRP(io));
2910 if (!(IoDIRP(io) = PerlDir_open(dirname)))
2916 SETERRNO(EBADF,RMS$_DIR);
2919 DIE(no_dir_func, "opendir");
2926 #if defined(Direntry_t) && defined(HAS_READDIR)
2928 Direntry_t *readdir _((DIR *));
2930 register Direntry_t *dp;
2932 register IO *io = GvIOn(gv);
2935 if (!io || !IoDIRP(io))
2938 if (GIMME == G_ARRAY) {
2940 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
2942 sv = newSVpv(dp->d_name, dp->d_namlen);
2944 sv = newSVpv(dp->d_name, 0);
2946 #ifndef INCOMPLETE_TAINTS
2949 XPUSHs(sv_2mortal(sv));
2953 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
2956 sv = newSVpv(dp->d_name, dp->d_namlen);
2958 sv = newSVpv(dp->d_name, 0);
2960 #ifndef INCOMPLETE_TAINTS
2963 XPUSHs(sv_2mortal(sv));
2969 SETERRNO(EBADF,RMS$_ISI);
2970 if (GIMME == G_ARRAY)
2975 DIE(no_dir_func, "readdir");
2982 #if defined(HAS_TELLDIR) || defined(telldir)
2983 # ifdef NEED_TELLDIR_PROTO /* XXX does _anyone_ need this? --AD 2/20/1998 */
2984 long telldir _((DIR *));
2987 register IO *io = GvIOn(gv);
2989 if (!io || !IoDIRP(io))
2992 PUSHi( PerlDir_tell(IoDIRP(io)) );
2996 SETERRNO(EBADF,RMS$_ISI);
2999 DIE(no_dir_func, "telldir");
3006 #if defined(HAS_SEEKDIR) || defined(seekdir)
3009 register IO *io = GvIOn(gv);
3011 if (!io || !IoDIRP(io))
3014 (void)PerlDir_seek(IoDIRP(io), along);
3019 SETERRNO(EBADF,RMS$_ISI);
3022 DIE(no_dir_func, "seekdir");
3029 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3031 register IO *io = GvIOn(gv);
3033 if (!io || !IoDIRP(io))
3036 (void)PerlDir_rewind(IoDIRP(io));
3040 SETERRNO(EBADF,RMS$_ISI);
3043 DIE(no_dir_func, "rewinddir");
3050 #if defined(Direntry_t) && defined(HAS_READDIR)
3052 register IO *io = GvIOn(gv);
3054 if (!io || !IoDIRP(io))
3057 #ifdef VOID_CLOSEDIR
3058 PerlDir_close(IoDIRP(io));
3060 if (PerlDir_close(IoDIRP(io)) < 0) {
3061 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3070 SETERRNO(EBADF,RMS$_IFI);
3073 DIE(no_dir_func, "closedir");
3077 /* Process control. */
3092 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3093 sv_setiv(GvSV(tmpgv), (IV)getpid());
3094 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3099 DIE(no_func, "Unsupported function fork");
3105 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3110 childpid = wait4pid(-1, &argflags, 0);
3111 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3115 DIE(no_func, "Unsupported function wait");
3121 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3129 childpid = wait4pid(childpid, &argflags, optype);
3130 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3134 DIE(no_func, "Unsupported function waitpid");
3140 djSP; dMARK; dORIGMARK; dTARGET;
3145 Sigsave_t ihand,qhand; /* place to save signals during system() */
3147 if (SP - MARK == 1) {
3149 char *junk = SvPV(TOPs, na);
3151 TAINT_PROPER("system");
3154 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3155 while ((childpid = vfork()) == -1) {
3156 if (errno != EAGAIN) {
3165 rsignal_save(SIGINT, SIG_IGN, &ihand);
3166 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3168 result = wait4pid(childpid, &status, 0);
3169 } while (result == -1 && errno == EINTR);
3170 (void)rsignal_restore(SIGINT, &ihand);
3171 (void)rsignal_restore(SIGQUIT, &qhand);
3172 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3173 do_execfree(); /* free any memory child malloced on vfork */
3175 PUSHi(STATUS_CURRENT);
3178 if (op->op_flags & OPf_STACKED) {
3179 SV *really = *++MARK;
3180 value = (I32)do_aexec(really, MARK, SP);
3182 else if (SP - MARK != 1)
3183 value = (I32)do_aexec(Nullsv, MARK, SP);
3185 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3188 #else /* ! FORK or VMS or OS/2 */
3189 if (op->op_flags & OPf_STACKED) {
3190 SV *really = *++MARK;
3191 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3193 else if (SP - MARK != 1)
3194 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3196 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3198 STATUS_NATIVE_SET(value);
3201 PUSHi(STATUS_CURRENT);
3202 #endif /* !FORK or VMS */
3208 djSP; dMARK; dORIGMARK; dTARGET;
3211 if (op->op_flags & OPf_STACKED) {
3212 SV *really = *++MARK;
3213 value = (I32)do_aexec(really, MARK, SP);
3215 else if (SP - MARK != 1)
3217 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3219 value = (I32)do_aexec(Nullsv, MARK, SP);
3223 char *junk = SvPV(*SP, na);
3225 TAINT_PROPER("exec");
3228 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3230 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3240 djSP; dMARK; dTARGET;
3243 value = (I32)apply(op->op_type, MARK, SP);
3248 DIE(no_func, "Unsupported function kill");
3256 XPUSHi( getppid() );
3259 DIE(no_func, "getppid");
3275 value = (I32)BSD_GETPGRP(pid);
3277 if (pid != 0 && pid != getpid())
3278 DIE("POSIX getpgrp can't take an argument");
3279 value = (I32)getpgrp();
3284 DIE(no_func, "getpgrp()");
3303 TAINT_PROPER("setpgrp");
3305 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3307 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3308 DIE("POSIX setpgrp can't take an argument");
3309 SETi( setpgrp() >= 0 );
3310 #endif /* USE_BSDPGRP */
3313 DIE(no_func, "setpgrp()");
3322 #ifdef HAS_GETPRIORITY
3325 SETi( getpriority(which, who) );
3328 DIE(no_func, "getpriority()");
3338 #ifdef HAS_SETPRIORITY
3342 TAINT_PROPER("setpriority");
3343 SETi( setpriority(which, who, niceval) >= 0 );
3346 DIE(no_func, "setpriority()");
3356 XPUSHn( time(Null(Time_t*)) );
3358 XPUSHi( time(Null(Time_t*)) );
3363 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3364 to HZ. Probably. For now, assume that if the system
3365 defines HZ, it does so correctly. (Will this break
3367 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3368 it's supported. --AD 9/96.
3384 DIE("times not implemented");
3389 (void)PerlProc_times(×buf);
3391 (void)PerlProc_times((tbuffer_t *)×buf); /* time.h uses different name for */
3392 /* struct tms, though same data */
3396 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3397 if (GIMME == G_ARRAY) {
3398 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3399 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3400 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3403 #endif /* HAS_TIMES */
3408 return pp_gmtime(ARGS);
3416 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3417 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3418 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3424 when = (Time_t)SvNVx(POPs);
3426 when = (Time_t)SvIVx(POPs);
3429 if (op->op_type == OP_LOCALTIME)
3430 tmbuf = localtime(&when);
3432 tmbuf = gmtime(&when);
3436 if (GIMME != G_ARRAY) {
3441 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3442 dayname[tmbuf->tm_wday],
3443 monname[tmbuf->tm_mon],
3448 tmbuf->tm_year + 1900);
3449 PUSHs(sv_2mortal(tsv));
3452 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3453 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3454 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3455 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3456 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3457 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3458 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3459 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3460 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3471 anum = alarm((unsigned int)anum);
3478 DIE(no_func, "Unsupported function alarm");
3489 (void)time(&lasttime);
3494 PerlProc_sleep((unsigned int)duration);
3497 XPUSHi(when - lasttime);
3501 /* Shared memory. */
3505 return pp_semget(ARGS);
3510 return pp_semctl(ARGS);
3515 return pp_shmwrite(ARGS);
3520 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3521 djSP; dMARK; dTARGET;
3522 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3527 return pp_semget(ARGS);
3531 /* Message passing. */
3535 return pp_semget(ARGS);
3540 return pp_semctl(ARGS);
3545 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3546 djSP; dMARK; dTARGET;
3547 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3552 return pp_semget(ARGS);
3558 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3559 djSP; dMARK; dTARGET;
3560 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3565 return pp_semget(ARGS);
3573 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3574 djSP; dMARK; dTARGET;
3575 int anum = do_ipcget(op->op_type, MARK, SP);
3582 DIE("System V IPC is not implemented on this machine");
3588 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3589 djSP; dMARK; dTARGET;
3590 int anum = do_ipcctl(op->op_type, MARK, SP);
3598 PUSHp(zero_but_true, ZBTLEN);
3602 return pp_semget(ARGS);
3608 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3609 djSP; dMARK; dTARGET;
3610 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3615 return pp_semget(ARGS);
3619 /* Get system info. */
3623 #ifdef HAS_GETHOSTBYNAME
3624 return pp_ghostent(ARGS);
3626 DIE(no_sock_func, "gethostbyname");
3632 #ifdef HAS_GETHOSTBYADDR
3633 return pp_ghostent(ARGS);
3635 DIE(no_sock_func, "gethostbyaddr");
3642 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
3643 I32 which = op->op_type;
3644 register char **elem;
3646 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
3647 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
3648 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
3649 struct hostent *PerlSock_gethostent(void);
3651 struct hostent *hent;
3655 if (which == OP_GHBYNAME)
3656 #ifdef HAS_GETHOSTBYNAME
3657 hent = PerlSock_gethostbyname(POPp);
3659 DIE(no_sock_func, "gethostbyname");
3661 else if (which == OP_GHBYADDR) {
3662 #ifdef HAS_GETHOSTBYADDR
3663 int addrtype = POPi;
3666 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
3668 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
3670 DIE(no_sock_func, "gethostbyaddr");
3674 #ifdef HAS_GETHOSTENT
3675 hent = PerlSock_gethostent();
3677 DIE(no_sock_func, "gethostent");
3680 #ifdef HOST_NOT_FOUND
3682 STATUS_NATIVE_SET(h_errno);
3685 if (GIMME != G_ARRAY) {
3686 PUSHs(sv = sv_newmortal());
3688 if (which == OP_GHBYNAME) {
3690 sv_setpvn(sv, hent->h_addr, hent->h_length);
3693 sv_setpv(sv, (char*)hent->h_name);
3699 PUSHs(sv = sv_mortalcopy(&sv_no));
3700 sv_setpv(sv, (char*)hent->h_name);
3701 PUSHs(sv = sv_mortalcopy(&sv_no));
3702 for (elem = hent->h_aliases; elem && *elem; elem++) {
3703 sv_catpv(sv, *elem);
3705 sv_catpvn(sv, " ", 1);
3707 PUSHs(sv = sv_mortalcopy(&sv_no));
3708 sv_setiv(sv, (IV)hent->h_addrtype);
3709 PUSHs(sv = sv_mortalcopy(&sv_no));
3710 len = hent->h_length;
3711 sv_setiv(sv, (IV)len);
3713 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3714 XPUSHs(sv = sv_mortalcopy(&sv_no));
3715 sv_setpvn(sv, *elem, len);
3718 PUSHs(sv = sv_mortalcopy(&sv_no));
3720 sv_setpvn(sv, hent->h_addr, len);
3725 DIE(no_sock_func, "gethostent");
3731 #ifdef HAS_GETNETBYNAME
3732 return pp_gnetent(ARGS);
3734 DIE(no_sock_func, "getnetbyname");
3740 #ifdef HAS_GETNETBYADDR
3741 return pp_gnetent(ARGS);
3743 DIE(no_sock_func, "getnetbyaddr");
3750 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
3751 I32 which = op->op_type;
3752 register char **elem;
3754 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
3755 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
3756 struct netent *PerlSock_getnetbyname(Netdb_name_t);
3757 struct netent *PerlSock_getnetent(void);
3759 struct netent *nent;
3761 if (which == OP_GNBYNAME)
3762 #ifdef HAS_GETNETBYNAME
3763 nent = PerlSock_getnetbyname(POPp);
3765 DIE(no_sock_func, "getnetbyname");
3767 else if (which == OP_GNBYADDR) {
3768 #ifdef HAS_GETNETBYADDR
3769 int addrtype = POPi;
3770 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
3771 nent = PerlSock_getnetbyaddr(addr, addrtype);
3773 DIE(no_sock_func, "getnetbyaddr");
3777 #ifdef HAS_GETNETENT
3778 nent = PerlSock_getnetent();
3780 DIE(no_sock_func, "getnetent");
3784 if (GIMME != G_ARRAY) {
3785 PUSHs(sv = sv_newmortal());
3787 if (which == OP_GNBYNAME)
3788 sv_setiv(sv, (IV)nent->n_net);
3790 sv_setpv(sv, nent->n_name);
3796 PUSHs(sv = sv_mortalcopy(&sv_no));
3797 sv_setpv(sv, nent->n_name);
3798 PUSHs(sv = sv_mortalcopy(&sv_no));
3799 for (elem = nent->n_aliases; elem && *elem; elem++) {
3800 sv_catpv(sv, *elem);
3802 sv_catpvn(sv, " ", 1);
3804 PUSHs(sv = sv_mortalcopy(&sv_no));
3805 sv_setiv(sv, (IV)nent->n_addrtype);
3806 PUSHs(sv = sv_mortalcopy(&sv_no));
3807 sv_setiv(sv, (IV)nent->n_net);
3812 DIE(no_sock_func, "getnetent");
3818 #ifdef HAS_GETPROTOBYNAME
3819 return pp_gprotoent(ARGS);
3821 DIE(no_sock_func, "getprotobyname");
3827 #ifdef HAS_GETPROTOBYNUMBER
3828 return pp_gprotoent(ARGS);
3830 DIE(no_sock_func, "getprotobynumber");
3837 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
3838 I32 which = op->op_type;
3839 register char **elem;
3841 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
3842 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
3843 struct protoent *PerlSock_getprotobynumber(int);
3844 struct protoent *PerlSock_getprotoent(void);
3846 struct protoent *pent;
3848 if (which == OP_GPBYNAME)
3849 #ifdef HAS_GETPROTOBYNAME
3850 pent = PerlSock_getprotobyname(POPp);
3852 DIE(no_sock_func, "getprotobyname");
3854 else if (which == OP_GPBYNUMBER)
3855 #ifdef HAS_GETPROTOBYNUMBER
3856 pent = PerlSock_getprotobynumber(POPi);
3858 DIE(no_sock_func, "getprotobynumber");
3861 #ifdef HAS_GETPROTOENT
3862 pent = PerlSock_getprotoent();
3864 DIE(no_sock_func, "getprotoent");
3868 if (GIMME != G_ARRAY) {
3869 PUSHs(sv = sv_newmortal());
3871 if (which == OP_GPBYNAME)
3872 sv_setiv(sv, (IV)pent->p_proto);
3874 sv_setpv(sv, pent->p_name);
3880 PUSHs(sv = sv_mortalcopy(&sv_no));
3881 sv_setpv(sv, pent->p_name);
3882 PUSHs(sv = sv_mortalcopy(&sv_no));
3883 for (elem = pent->p_aliases; elem && *elem; elem++) {
3884 sv_catpv(sv, *elem);
3886 sv_catpvn(sv, " ", 1);
3888 PUSHs(sv = sv_mortalcopy(&sv_no));
3889 sv_setiv(sv, (IV)pent->p_proto);
3894 DIE(no_sock_func, "getprotoent");
3900 #ifdef HAS_GETSERVBYNAME
3901 return pp_gservent(ARGS);
3903 DIE(no_sock_func, "getservbyname");
3909 #ifdef HAS_GETSERVBYPORT
3910 return pp_gservent(ARGS);
3912 DIE(no_sock_func, "getservbyport");
3919 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
3920 I32 which = op->op_type;
3921 register char **elem;
3923 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
3924 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
3925 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
3926 struct servent *PerlSock_getservent(void);
3928 struct servent *sent;
3930 if (which == OP_GSBYNAME) {
3931 #ifdef HAS_GETSERVBYNAME
3935 if (proto && !*proto)
3938 sent = PerlSock_getservbyname(name, proto);
3940 DIE(no_sock_func, "getservbyname");
3943 else if (which == OP_GSBYPORT) {
3944 #ifdef HAS_GETSERVBYPORT
3946 unsigned short port = POPu;
3949 port = PerlSock_htons(port);
3951 sent = PerlSock_getservbyport(port, proto);
3953 DIE(no_sock_func, "getservbyport");
3957 #ifdef HAS_GETSERVENT
3958 sent = PerlSock_getservent();
3960 DIE(no_sock_func, "getservent");
3964 if (GIMME != G_ARRAY) {
3965 PUSHs(sv = sv_newmortal());
3967 if (which == OP_GSBYNAME) {
3969 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
3971 sv_setiv(sv, (IV)(sent->s_port));
3975 sv_setpv(sv, sent->s_name);
3981 PUSHs(sv = sv_mortalcopy(&sv_no));
3982 sv_setpv(sv, sent->s_name);
3983 PUSHs(sv = sv_mortalcopy(&sv_no));
3984 for (elem = sent->s_aliases; elem && *elem; elem++) {
3985 sv_catpv(sv, *elem);
3987 sv_catpvn(sv, " ", 1);
3989 PUSHs(sv = sv_mortalcopy(&sv_no));
3991 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
3993 sv_setiv(sv, (IV)(sent->s_port));
3995 PUSHs(sv = sv_mortalcopy(&sv_no));
3996 sv_setpv(sv, sent->s_proto);
4001 DIE(no_sock_func, "getservent");
4008 #ifdef HAS_SETHOSTENT
4009 PerlSock_sethostent(TOPi);
4012 DIE(no_sock_func, "sethostent");
4019 #ifdef HAS_SETNETENT
4020 PerlSock_setnetent(TOPi);
4023 DIE(no_sock_func, "setnetent");
4030 #ifdef HAS_SETPROTOENT
4031 PerlSock_setprotoent(TOPi);
4034 DIE(no_sock_func, "setprotoent");
4041 #ifdef HAS_SETSERVENT
4042 PerlSock_setservent(TOPi);
4045 DIE(no_sock_func, "setservent");
4052 #ifdef HAS_ENDHOSTENT
4053 PerlSock_endhostent();
4057 DIE(no_sock_func, "endhostent");
4064 #ifdef HAS_ENDNETENT
4065 PerlSock_endnetent();
4069 DIE(no_sock_func, "endnetent");
4076 #ifdef HAS_ENDPROTOENT
4077 PerlSock_endprotoent();
4081 DIE(no_sock_func, "endprotoent");
4088 #ifdef HAS_ENDSERVENT
4089 PerlSock_endservent();
4093 DIE(no_sock_func, "endservent");
4100 return pp_gpwent(ARGS);
4102 DIE(no_func, "getpwnam");
4109 return pp_gpwent(ARGS);
4111 DIE(no_func, "getpwuid");
4118 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4119 I32 which = op->op_type;
4121 struct passwd *pwent;
4123 if (which == OP_GPWNAM)
4124 pwent = getpwnam(POPp);
4125 else if (which == OP_GPWUID)
4126 pwent = getpwuid(POPi);
4128 pwent = (struct passwd *)getpwent();
4131 if (GIMME != G_ARRAY) {
4132 PUSHs(sv = sv_newmortal());
4134 if (which == OP_GPWNAM)
4135 sv_setiv(sv, (IV)pwent->pw_uid);
4137 sv_setpv(sv, pwent->pw_name);
4143 PUSHs(sv = sv_mortalcopy(&sv_no));
4144 sv_setpv(sv, pwent->pw_name);
4146 PUSHs(sv = sv_mortalcopy(&sv_no));
4148 sv_setpv(sv, pwent->pw_passwd);
4151 PUSHs(sv = sv_mortalcopy(&sv_no));
4152 sv_setiv(sv, (IV)pwent->pw_uid);
4154 PUSHs(sv = sv_mortalcopy(&sv_no));
4155 sv_setiv(sv, (IV)pwent->pw_gid);
4157 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4158 PUSHs(sv = sv_mortalcopy(&sv_no));
4160 sv_setiv(sv, (IV)pwent->pw_change);
4163 sv_setiv(sv, (IV)pwent->pw_quota);
4166 sv_setpv(sv, pwent->pw_age);
4171 /* pw_class and pw_comment are mutually exclusive. */
4172 PUSHs(sv = sv_mortalcopy(&sv_no));
4174 sv_setpv(sv, pwent->pw_class);
4177 sv_setpv(sv, pwent->pw_comment);
4181 PUSHs(sv = sv_mortalcopy(&sv_no));
4183 sv_setpv(sv, pwent->pw_gecos);
4185 #ifndef INCOMPLETE_TAINTS
4186 /* pw_gecos is tainted because user himself can diddle with it. */
4190 PUSHs(sv = sv_mortalcopy(&sv_no));
4191 sv_setpv(sv, pwent->pw_dir);
4193 PUSHs(sv = sv_mortalcopy(&sv_no));
4194 sv_setpv(sv, pwent->pw_shell);
4197 PUSHs(sv = sv_mortalcopy(&sv_no));
4198 sv_setiv(sv, (IV)pwent->pw_expire);
4203 DIE(no_func, "getpwent");
4210 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4214 DIE(no_func, "setpwent");
4221 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4225 DIE(no_func, "endpwent");
4232 return pp_ggrent(ARGS);
4234 DIE(no_func, "getgrnam");
4241 return pp_ggrent(ARGS);
4243 DIE(no_func, "getgrgid");
4250 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4251 I32 which = op->op_type;
4252 register char **elem;
4254 struct group *grent;
4256 if (which == OP_GGRNAM)
4257 grent = (struct group *)getgrnam(POPp);
4258 else if (which == OP_GGRGID)
4259 grent = (struct group *)getgrgid(POPi);
4261 grent = (struct group *)getgrent();
4264 if (GIMME != G_ARRAY) {
4265 PUSHs(sv = sv_newmortal());
4267 if (which == OP_GGRNAM)
4268 sv_setiv(sv, (IV)grent->gr_gid);
4270 sv_setpv(sv, grent->gr_name);
4276 PUSHs(sv = sv_mortalcopy(&sv_no));
4277 sv_setpv(sv, grent->gr_name);
4279 PUSHs(sv = sv_mortalcopy(&sv_no));
4281 sv_setpv(sv, grent->gr_passwd);
4284 PUSHs(sv = sv_mortalcopy(&sv_no));
4285 sv_setiv(sv, (IV)grent->gr_gid);
4287 PUSHs(sv = sv_mortalcopy(&sv_no));
4288 for (elem = grent->gr_mem; elem && *elem; elem++) {
4289 sv_catpv(sv, *elem);
4291 sv_catpvn(sv, " ", 1);
4297 DIE(no_func, "getgrent");
4304 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4308 DIE(no_func, "setgrent");
4315 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4319 DIE(no_func, "endgrent");
4329 if (!(tmps = PerlProc_getlogin()))
4331 PUSHp(tmps, strlen(tmps));
4334 DIE(no_func, "getlogin");
4338 /* Miscellaneous. */
4343 djSP; dMARK; dORIGMARK; dTARGET;
4344 register I32 items = SP - MARK;
4345 unsigned long a[20];
4351 while (++MARK <= SP) {
4352 if (SvTAINTED(*MARK)) {
4358 TAINT_PROPER("syscall");
4361 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4362 * or where sizeof(long) != sizeof(char*). But such machines will
4363 * not likely have syscall implemented either, so who cares?
4365 while (++MARK <= SP) {
4366 if (SvNIOK(*MARK) || !i)
4367 a[i++] = SvIV(*MARK);
4368 else if (*MARK == &sv_undef)
4371 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4377 DIE("Too many args to syscall");
4379 DIE("Too few args to syscall");
4381 retval = syscall(a[0]);
4384 retval = syscall(a[0],a[1]);
4387 retval = syscall(a[0],a[1],a[2]);
4390 retval = syscall(a[0],a[1],a[2],a[3]);
4393 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4396 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4399 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4402 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4406 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4409 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4412 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4416 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4420 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4424 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4425 a[10],a[11],a[12],a[13]);
4427 #endif /* atarist */
4433 DIE(no_func, "syscall");
4437 #ifdef FCNTL_EMULATE_FLOCK
4439 /* XXX Emulate flock() with fcntl().
4440 What's really needed is a good file locking module.
4444 fcntl_emulate_flock(int fd, int operation)
4448 switch (operation & ~LOCK_NB) {
4450 flock.l_type = F_RDLCK;
4453 flock.l_type = F_WRLCK;
4456 flock.l_type = F_UNLCK;
4462 flock.l_whence = SEEK_SET;
4463 flock.l_start = flock.l_len = 0L;
4465 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4468 #endif /* FCNTL_EMULATE_FLOCK */
4470 #ifdef LOCKF_EMULATE_FLOCK
4472 /* XXX Emulate flock() with lockf(). This is just to increase
4473 portability of scripts. The calls are not completely
4474 interchangeable. What's really needed is a good file
4478 /* The lockf() constants might have been defined in <unistd.h>.
4479 Unfortunately, <unistd.h> causes troubles on some mixed
4480 (BSD/POSIX) systems, such as SunOS 4.1.3.
4482 Further, the lockf() constants aren't POSIX, so they might not be
4483 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4484 just stick in the SVID values and be done with it. Sigh.
4488 # define F_ULOCK 0 /* Unlock a previously locked region */
4491 # define F_LOCK 1 /* Lock a region for exclusive use */
4494 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4497 # define F_TEST 3 /* Test a region for other processes locks */
4501 lockf_emulate_flock (fd, operation)
4509 /* flock locks entire file so for lockf we need to do the same */
4511 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4512 if (pos > 0) /* is seekable and needs to be repositioned */
4513 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4514 pos = -1; /* seek failed, so don't seek back afterwards */
4517 switch (operation) {
4519 /* LOCK_SH - get a shared lock */
4521 /* LOCK_EX - get an exclusive lock */
4523 i = lockf (fd, F_LOCK, 0);
4526 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4527 case LOCK_SH|LOCK_NB:
4528 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4529 case LOCK_EX|LOCK_NB:
4530 i = lockf (fd, F_TLOCK, 0);
4532 if ((errno == EAGAIN) || (errno == EACCES))
4533 errno = EWOULDBLOCK;
4536 /* LOCK_UN - unlock (non-blocking is a no-op) */
4538 case LOCK_UN|LOCK_NB:
4539 i = lockf (fd, F_ULOCK, 0);
4542 /* Default - can't decipher operation */
4549 if (pos > 0) /* need to restore position of the handle */
4550 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4555 #endif /* LOCKF_EMULATE_FLOCK */