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));
72 struct passwd *getpwent _((void));
79 struct group *getgrnam _((char *));
80 struct group *getgrgid _((Gid_t));
82 struct group *getgrent _((void));
86 # if defined(_MSC_VER) || defined(__MINGW32__)
87 # include <sys/utime.h>
99 /* Put this after #includes because fork and vfork prototypes may conflict. */
104 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
106 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
107 # define Sock_size_t Size_t
109 # define Sock_size_t int
113 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
114 static int dooneliner _((char *cmd, char *filename));
118 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
121 # define my_chsize PerlLIO_chsize
126 #else /* no flock() */
128 /* fcntl.h might not have been included, even if it exists, because
129 the current Configure only sets I_FCNTL if it's needed to pick up
130 the *_OK constants. Make sure it has been included before testing
131 the fcntl() locking constants. */
132 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
136 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
137 # define FLOCK fcntl_emulate_flock
138 # define FCNTL_EMULATE_FLOCK
139 # else /* no flock() or fcntl(F_SETLK,...) */
141 # define FLOCK lockf_emulate_flock
142 # define LOCKF_EMULATE_FLOCK
144 # endif /* no flock() or fcntl(F_SETLK,...) */
147 static int FLOCK _((int, int));
150 * These are the flock() constants. Since this sytems doesn't have
151 * flock(), the values of the constants are probably not available.
165 # endif /* emulating flock() */
167 #endif /* no flock() */
171 # define MAXPATHLEN PATH_MAX
173 # define MAXPATHLEN 1024
178 static char zero_but_true[ZBTLEN + 1] = "0 but true";
190 fp = PerlProc_popen(tmps, "r");
192 if (gimme == G_VOID) {
194 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
198 else if (gimme == G_SCALAR) {
199 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
200 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
211 if (sv_gets(sv, fp, 0) == Nullch) {
215 XPUSHs(sv_2mortal(sv));
216 if (SvLEN(sv) - SvCUR(sv) > 20) {
217 SvLEN_set(sv, SvCUR(sv)+1);
218 Renew(SvPVX(sv), SvLEN(sv), char);
223 STATUS_NATIVE_SET(PerlProc_pclose(fp));
224 TAINT; /* "I believe that this is not gratuitous!" */
227 STATUS_NATIVE_SET(-1);
228 if (gimme == G_SCALAR)
243 * The external globbing program may use things we can't control,
244 * so for security reasons we must assume the worst.
247 taint_proper(no_security, "glob");
251 SAVESPTR(last_in_gv); /* We don't want this to be permanent. */
252 last_in_gv = (GV*)*stack_sp--;
254 SAVESPTR(rs); /* This is not permanent, either. */
255 rs = sv_2mortal(newSVpv("", 1));
262 result = do_readline();
269 last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*stack_sp--)), na), TRUE,SVt_PVIO);
270 return do_readline();
275 last_in_gv = cGVOP->op_gv;
276 return do_readline();
283 if (SP - MARK != 1) {
285 do_join(TARG, &sv_no, MARK, SP);
286 tmps = SvPV(TARG, na);
290 tmps = SvPV(TOPs, na);
292 if (!tmps || !*tmps) {
294 (void)SvUPGRADE(error, SVt_PV);
295 if (SvPOK(error) && SvCUR(error))
296 sv_catpv(error, "\t...caught");
297 tmps = SvPV(error, na);
300 tmps = "Warning: something's wrong";
311 if (SP - MARK != 1) {
313 do_join(TARG, &sv_no, MARK, SP);
314 tmps = SvPV(TARG, na);
319 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, na);
321 if (!tmps || !*tmps) {
323 (void)SvUPGRADE(error, SVt_PV);
324 if(tmpsv ? SvROK(tmpsv) : SvROK(error)) {
326 SvSetSV(error,tmpsv);
330 if (SvPOK(error) && SvCUR(error))
331 sv_catpv(error, "\t...propagated");
332 tmps = SvPV(error, na);
353 DIE(no_usym, "filehandle");
358 DIE(no_usym, "filehandle");
360 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
361 tmps = SvPV(sv, len);
362 if (do_open(gv, tmps, len, FALSE, 0, 0, Nullfp))
363 PUSHi( (I32)forkprocess );
364 else if (forkprocess == 0) /* we are a new child */
382 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
387 perl_call_method("CLOSE", G_SCALAR);
393 PUSHs(boolSV(do_close(gv, TRUE)));
413 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
414 DIE(no_usym, "filehandle");
419 do_close(rgv, FALSE);
421 do_close(wgv, FALSE);
423 if (PerlProc_pipe(fd) < 0)
426 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
427 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
428 IoIFP(wstio) = IoOFP(wstio);
432 if (!IoIFP(rstio) || !IoOFP(wstio)) {
433 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
434 else PerlLIO_close(fd[0]);
435 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
436 else PerlLIO_close(fd[1]);
445 DIE(no_func, "pipe");
458 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
460 PUSHi(PerlIO_fileno(fp));
471 anum = PerlLIO_umask(0);
472 (void)PerlLIO_umask(anum);
475 anum = PerlLIO_umask(POPi);
476 TAINT_PROPER("umask");
497 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
500 if (do_binmode(fp,IoTYPE(io),TRUE))
515 I32 markoff = MARK - stack_base;
521 switch(SvTYPE(varsv)) {
523 methname = "TIEHASH";
526 methname = "TIEARRAY";
529 methname = "TIEHANDLE";
533 methname = "TIESCALAR";
538 if (sv_isobject(*MARK)) {
546 perl_call_method(methname, G_SCALAR);
549 /* Not clear why we don't call perl_call_method here too.
550 * perhaps to get different error message ?
552 stash = gv_stashsv(*MARK, FALSE);
553 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
554 DIE("Can't locate object method \"%s\" via package \"%s\"",
555 methname, SvPV(*MARK,na));
564 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
570 if (sv_isobject(sv)) {
571 sv_unmagic(varsv, how);
572 sv_magic(varsv, sv, how, Nullch, 0);
575 SP = stack_base + markoff;
589 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
590 mg = mg_find(sv, 'P') ;
592 mg = mg_find(sv, 'q') ;
594 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
595 warn("untie attempted while %lu inner references still exist",
596 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
600 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
615 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
616 mg = mg_find(sv, 'P') ;
618 mg = mg_find(sv, 'q') ;
621 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
639 sv = sv_mortalcopy(&sv_no);
640 sv_setpv(sv, "AnyDBM_File");
641 stash = gv_stashsv(sv, FALSE);
642 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
644 perl_require_pv("AnyDBM_File.pm");
646 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
647 DIE("No dbm on this machine");
657 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
659 PUSHs(sv_2mortal(newSViv(O_RDWR)));
662 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
665 if (!sv_isobject(TOPs)) {
670 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
673 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
677 if (sv_isobject(TOPs)) {
678 sv_unmagic((SV *) hv, 'P');
679 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
687 return pp_untie(ARGS);
701 struct timeval timebuf;
702 struct timeval *tbuf = &timebuf;
705 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
710 # if BYTEORDER & 0xf0000
711 # define ORDERBYTE (0x88888888 - BYTEORDER)
713 # define ORDERBYTE (0x4444 - BYTEORDER)
719 for (i = 1; i <= 3; i++) {
727 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
728 #if defined(__linux__) || defined(OS2)
729 growsize = sizeof(fd_set);
731 growsize = maxlen; /* little endians can use vecs directly */
740 masksize = NFDBITS / NBBY;
742 masksize = sizeof(long); /* documented int, everyone seems to use long */
744 growsize = maxlen + (masksize - (maxlen % masksize));
745 Zero(&fd_sets[0], 4, char*);
753 timebuf.tv_sec = (long)value;
754 value -= (double)timebuf.tv_sec;
755 timebuf.tv_usec = (long)(value * 1000000.0);
758 tbuf = Null(struct timeval*);
760 for (i = 1; i <= 3; i++) {
767 SvPV_force(sv,na); /* force string conversion */
770 Sv_Grow(sv, growsize);
774 while (++j <= growsize) {
778 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
780 New(403, fd_sets[i], growsize, char);
781 for (offset = 0; offset < growsize; offset += masksize) {
782 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
783 fd_sets[i][j+offset] = s[(k % masksize) + offset];
786 fd_sets[i] = SvPVX(sv);
790 nfound = PerlSock_select(
792 (Select_fd_set_t) fd_sets[1],
793 (Select_fd_set_t) fd_sets[2],
794 (Select_fd_set_t) fd_sets[3],
796 for (i = 1; i <= 3; i++) {
799 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
801 for (offset = 0; offset < growsize; offset += masksize) {
802 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
803 s[(k % masksize) + offset] = fd_sets[i][j+offset];
805 Safefree(fd_sets[i]);
812 if (GIMME == G_ARRAY && tbuf) {
813 value = (double)(timebuf.tv_sec) +
814 (double)(timebuf.tv_usec) / 1000000.0;
815 PUSHs(sv = sv_mortalcopy(&sv_no));
820 DIE("select not implemented");
829 (void)SvREFCNT_inc(gv);
831 SvREFCNT_dec(defoutgv);
841 newdefout = (op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
843 egv = GvEGV(defoutgv);
850 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
851 if (gvp && *gvp == egv) {
852 gv_efullname3(TARG, defoutgv, Nullch);
856 XPUSHs(sv_2mortal(newRV((SV*)egv)));
861 if (!GvIO(newdefout))
863 setdefout(newdefout);
882 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
888 perl_call_method("GETC", gimme);
891 if (gimme == G_SCALAR)
892 SvSetMagicSV_nosteal(TARG, TOPs);
895 if (!gv || do_eof(gv)) /* make sure we have fp with something */
899 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
906 return pp_sysread(ARGS);
910 doform(CV *cv, GV *gv, OP *retop)
913 register PERL_CONTEXT *cx;
915 AV* padlist = CvPADLIST(cv);
916 SV** svp = AvARRAY(padlist);
922 PUSHBLOCK(cx, CXt_SUB, stack_sp);
925 curpad = AvARRAY((AV*)svp[1]);
927 setdefout(gv); /* locally select filehandle so $% et al work */
959 SV *tmpsv = sv_newmortal();
960 gv_efullname3(tmpsv, fgv, Nullch);
961 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
963 DIE("Not a format reference");
966 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
968 IoFLAGS(io) &= ~IOf_DIDTOP;
969 return doform(cv,gv,op->op_next);
975 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
976 register IO *io = GvIOp(gv);
977 PerlIO *ofp = IoOFP(io);
981 register PERL_CONTEXT *cx;
983 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
984 (long)IoLINES_LEFT(io), (long)FmLINES(formtarget)));
985 if (IoLINES_LEFT(io) < FmLINES(formtarget) &&
986 formtarget != toptarget)
994 if (!IoTOP_NAME(io)) {
996 IoFMT_NAME(io) = savepv(GvNAME(gv));
997 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
998 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
999 if ((topgv && GvFORM(topgv)) ||
1000 !gv_fetchpv("top",FALSE,SVt_PVFM))
1001 IoTOP_NAME(io) = savepv(SvPVX(topname));
1003 IoTOP_NAME(io) = savepv("top");
1005 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1006 if (!topgv || !GvFORM(topgv)) {
1007 IoLINES_LEFT(io) = 100000000;
1010 IoTOP_GV(io) = topgv;
1012 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1013 I32 lines = IoLINES_LEFT(io);
1014 char *s = SvPVX(formtarget);
1015 if (lines <= 0) /* Yow, header didn't even fit!!! */
1017 while (lines-- > 0) {
1018 s = strchr(s, '\n');
1024 PerlIO_write(ofp, SvPVX(formtarget), s - SvPVX(formtarget));
1025 sv_chop(formtarget, s);
1026 FmLINES(formtarget) -= IoLINES_LEFT(io);
1029 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1030 PerlIO_write(ofp, SvPVX(formfeed), SvCUR(formfeed));
1031 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1033 formtarget = toptarget;
1034 IoFLAGS(io) |= IOf_DIDTOP;
1037 DIE("bad top format reference");
1040 SV *tmpsv = sv_newmortal();
1041 gv_efullname3(tmpsv, fgv, Nullch);
1042 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1045 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1046 return doform(cv,gv,op);
1058 warn("Filehandle only opened for input");
1060 warn("Write on closed filehandle");
1065 if ((IoLINES_LEFT(io) -= FmLINES(formtarget)) < 0) {
1067 warn("page overflow");
1069 if (!PerlIO_write(ofp, SvPVX(formtarget), SvCUR(formtarget)) ||
1073 FmLINES(formtarget) = 0;
1074 SvCUR_set(formtarget, 0);
1075 *SvEND(formtarget) = '\0';
1076 if (IoFLAGS(io) & IOf_FLUSH)
1077 (void)PerlIO_flush(fp);
1081 formtarget = bodytarget;
1083 return pop_return();
1088 djSP; dMARK; dORIGMARK;
1095 if (op->op_flags & OPf_STACKED)
1100 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1101 if (MARK == ORIGMARK) {
1104 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1111 perl_call_method("PRINTF", G_SCALAR);
1114 MARK = ORIGMARK + 1;
1121 if (!(io = GvIO(gv))) {
1123 gv_fullname3(sv, gv, Nullch);
1124 warn("Filehandle %s never opened", SvPV(sv,na));
1126 SETERRNO(EBADF,RMS$_IFI);
1129 else if (!(fp = IoOFP(io))) {
1131 gv_fullname3(sv, gv, Nullch);
1133 warn("Filehandle %s opened only for input", SvPV(sv,na));
1135 warn("printf on closed filehandle %s", SvPV(sv,na));
1137 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1141 #ifdef USE_LOCALE_NUMERIC
1142 if (op->op_private & OPpLOCALE)
1143 SET_NUMERIC_LOCAL();
1145 SET_NUMERIC_STANDARD();
1147 do_sprintf(sv, SP - MARK, MARK + 1);
1148 if (!do_print(sv, fp))
1151 if (IoFLAGS(io) & IOf_FLUSH)
1152 if (PerlIO_flush(fp) == EOF)
1184 tmps = SvPV(sv, len);
1185 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1186 IoLINES(GvIOp(gv)) = 0;
1197 djSP; dMARK; dORIGMARK; dTARGET;
1203 Sock_size_t bufsize;
1209 if ((op->op_type == OP_READ || op->op_type == OP_SYSREAD) &&
1210 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1217 perl_call_method("READ", G_SCALAR);
1230 sv_setpvn(bufsv, "", 0);
1231 buffer = SvPV_force(bufsv, blen);
1232 length = SvIVx(*++MARK);
1234 DIE("Negative length");
1237 offset = SvIVx(*++MARK);
1241 if (!io || !IoIFP(io))
1244 if (op->op_type == OP_RECV) {
1245 char namebuf[MAXPATHLEN];
1246 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1247 bufsize = sizeof (struct sockaddr_in);
1249 bufsize = sizeof namebuf;
1251 buffer = SvGROW(bufsv, length+1);
1252 /* 'offset' means 'flags' here */
1253 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1254 (struct sockaddr *)namebuf, &bufsize);
1257 SvCUR_set(bufsv, length);
1258 *SvEND(bufsv) = '\0';
1259 (void)SvPOK_only(bufsv);
1261 /* This should not be marked tainted if the fp is marked clean */
1262 if (!(IoFLAGS(io) & IOf_UNTAINT))
1263 SvTAINTED_on(bufsv);
1265 sv_setpvn(TARG, namebuf, bufsize);
1270 if (op->op_type == OP_RECV)
1271 DIE(no_sock_func, "recv");
1275 DIE("Offset outside string");
1278 bufsize = SvCUR(bufsv);
1279 buffer = SvGROW(bufsv, length+offset+1);
1280 if (offset > bufsize) { /* Zero any newly allocated space */
1281 Zero(buffer+bufsize, offset-bufsize, char);
1283 if (op->op_type == OP_SYSREAD) {
1284 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1287 #ifdef HAS_SOCKET__bad_code_maybe
1288 if (IoTYPE(io) == 's') {
1289 char namebuf[MAXPATHLEN];
1290 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1291 bufsize = sizeof (struct sockaddr_in);
1293 bufsize = sizeof namebuf;
1295 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1296 (struct sockaddr *)namebuf, &bufsize);
1300 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1303 SvCUR_set(bufsv, length+offset);
1304 *SvEND(bufsv) = '\0';
1305 (void)SvPOK_only(bufsv);
1307 /* This should not be marked tainted if the fp is marked clean */
1308 if (!(IoFLAGS(io) & IOf_UNTAINT))
1309 SvTAINTED_on(bufsv);
1321 return pp_send(ARGS);
1326 djSP; dMARK; dORIGMARK; dTARGET;
1337 if (op->op_type == OP_SYSWRITE &&
1338 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1345 perl_call_method("WRITE", G_SCALAR);
1356 buffer = SvPV(bufsv, blen);
1357 length = SvIVx(*++MARK);
1359 DIE("Negative length");
1362 if (!io || !IoIFP(io)) {
1365 if (op->op_type == OP_SYSWRITE)
1366 warn("Syswrite on closed filehandle");
1368 warn("Send on closed socket");
1371 else if (op->op_type == OP_SYSWRITE) {
1373 offset = SvIVx(*++MARK);
1376 DIE("Offset outside string");
1378 } else if (offset >= blen && blen > 0)
1379 DIE("Offset outside string");
1382 if (length > blen - offset)
1383 length = blen - offset;
1384 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1387 else if (SP > MARK) {
1390 sockbuf = SvPVx(*++MARK, mlen);
1391 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1392 (struct sockaddr *)sockbuf, mlen);
1395 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1399 DIE(no_sock_func, "send");
1414 return pp_sysread(ARGS);
1425 gv = last_in_gv = (GV*)POPs;
1426 PUSHs(boolSV(!gv || do_eof(gv)));
1438 gv = last_in_gv = (GV*)POPs;
1439 PUSHi( do_tell(gv) );
1445 return pp_sysseek(ARGS);
1455 gv = last_in_gv = (GV*)POPs;
1456 if (op->op_type == OP_SEEK)
1457 PUSHs(boolSV(do_seek(gv, offset, whence)));
1459 long n = do_sysseek(gv, offset, whence);
1460 PUSHs((n < 0) ? &sv_undef
1461 : sv_2mortal(n ? newSViv((IV)n)
1462 : newSVpv(zero_but_true, ZBTLEN)));
1470 Off_t len = (Off_t)POPn;
1475 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1476 if (op->op_flags & OPf_SPECIAL) {
1477 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1479 TAINT_PROPER("truncate");
1480 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1482 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1484 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1492 if (SvTYPE(sv) == SVt_PVGV) {
1493 tmpgv = (GV*)sv; /* *main::FRED for example */
1496 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1497 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1501 name = SvPV(sv, na);
1502 TAINT_PROPER("truncate");
1504 if (truncate(name, len) < 0)
1509 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1512 if (my_chsize(tmpfd, len) < 0)
1514 PerlLIO_close(tmpfd);
1523 SETERRNO(EBADF,RMS$_IFI);
1526 DIE("truncate not implemented");
1532 return pp_ioctl(ARGS);
1539 unsigned int func = U_I(POPn);
1540 int optype = op->op_type;
1546 if (!io || !argsv || !IoIFP(io)) {
1547 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1551 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1554 s = SvPV_force(argsv, len);
1555 need = IOCPARM_LEN(func);
1557 s = Sv_Grow(argsv, need + 1);
1558 SvCUR_set(argsv, need);
1561 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1564 retval = SvIV(argsv);
1565 s = (char*)retval; /* ouch */
1568 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1570 if (optype == OP_IOCTL)
1572 retval = ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1574 DIE("ioctl is not implemented");
1578 #if defined(OS2) && defined(__EMX__)
1579 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1581 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1584 DIE("fcntl is not implemented");
1588 if (s[SvCUR(argsv)] != 17)
1589 DIE("Possible memory corruption: %s overflowed 3rd argument",
1591 s[SvCUR(argsv)] = 0; /* put our null back */
1592 SvSETMAGIC(argsv); /* Assume it has changed */
1601 PUSHp(zero_but_true, ZBTLEN);
1621 fp = IoIFP(GvIOp(gv));
1625 (void)PerlIO_flush(fp);
1626 value = (I32)(FLOCK(PerlIO_fileno(fp), argtype) >= 0);
1633 DIE(no_func, "flock()");
1645 int protocol = POPi;
1653 SETERRNO(EBADF,LIB$_INVARG);
1659 do_close(gv, FALSE);
1661 TAINT_PROPER("socket");
1662 fd = PerlSock_socket(domain, type, protocol);
1665 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1666 IoOFP(io) = PerlIO_fdopen(fd, "w");
1668 if (!IoIFP(io) || !IoOFP(io)) {
1669 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1670 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1671 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1677 DIE(no_sock_func, "socket");
1684 #ifdef HAS_SOCKETPAIR
1689 int protocol = POPi;
1702 do_close(gv1, FALSE);
1704 do_close(gv2, FALSE);
1706 TAINT_PROPER("socketpair");
1707 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1709 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1710 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1712 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1713 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1715 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1716 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1717 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1718 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1719 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1720 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1721 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1727 DIE(no_sock_func, "socketpair");
1738 register IO *io = GvIOn(gv);
1741 if (!io || !IoIFP(io))
1744 addr = SvPV(addrsv, len);
1745 TAINT_PROPER("bind");
1746 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1753 warn("bind() on closed fd");
1754 SETERRNO(EBADF,SS$_IVCHAN);
1757 DIE(no_sock_func, "bind");
1768 register IO *io = GvIOn(gv);
1771 if (!io || !IoIFP(io))
1774 addr = SvPV(addrsv, len);
1775 TAINT_PROPER("connect");
1776 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1783 warn("connect() on closed fd");
1784 SETERRNO(EBADF,SS$_IVCHAN);
1787 DIE(no_sock_func, "connect");
1797 register IO *io = GvIOn(gv);
1799 if (!io || !IoIFP(io))
1802 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1809 warn("listen() on closed fd");
1810 SETERRNO(EBADF,SS$_IVCHAN);
1813 DIE(no_sock_func, "listen");
1825 struct sockaddr saddr; /* use a struct to avoid alignment problems */
1826 Sock_size_t len = sizeof saddr;
1838 if (!gstio || !IoIFP(gstio))
1843 do_close(ngv, FALSE);
1845 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
1848 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
1849 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
1850 IoTYPE(nstio) = 's';
1851 if (!IoIFP(nstio) || !IoOFP(nstio)) {
1852 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
1853 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
1854 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
1858 PUSHp((char *)&saddr, len);
1863 warn("accept() on closed fd");
1864 SETERRNO(EBADF,SS$_IVCHAN);
1870 DIE(no_sock_func, "accept");
1880 register IO *io = GvIOn(gv);
1882 if (!io || !IoIFP(io))
1885 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
1890 warn("shutdown() on closed fd");
1891 SETERRNO(EBADF,SS$_IVCHAN);
1894 DIE(no_sock_func, "shutdown");
1901 return pp_ssockopt(ARGS);
1903 DIE(no_sock_func, "getsockopt");
1911 int optype = op->op_type;
1914 unsigned int optname;
1920 if (optype == OP_GSOCKOPT)
1921 sv = sv_2mortal(NEWSV(22, 257));
1924 optname = (unsigned int) POPi;
1925 lvl = (unsigned int) POPi;
1929 if (!io || !IoIFP(io))
1932 fd = PerlIO_fileno(IoIFP(io));
1936 (void)SvPOK_only(sv);
1940 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
1953 else if (SvOK(sv)) {
1954 aint = (int)SvIV(sv);
1958 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
1968 warn("[gs]etsockopt() on closed fd");
1969 SETERRNO(EBADF,SS$_IVCHAN);
1974 DIE(no_sock_func, "setsockopt");
1981 return pp_getpeername(ARGS);
1983 DIE(no_sock_func, "getsockname");
1991 int optype = op->op_type;
1995 register IO *io = GvIOn(gv);
1998 if (!io || !IoIFP(io))
2001 sv = sv_2mortal(NEWSV(22, 257));
2002 (void)SvPOK_only(sv);
2006 fd = PerlIO_fileno(IoIFP(io));
2008 case OP_GETSOCKNAME:
2009 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2012 case OP_GETPEERNAME:
2013 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2015 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2017 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2018 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2019 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2020 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2021 sizeof(u_short) + sizeof(struct in_addr))) {
2028 #ifdef BOGUS_GETNAME_RETURN
2029 /* Interactive Unix, getpeername() and getsockname()
2030 does not return valid namelen */
2031 if (len == BOGUS_GETNAME_RETURN)
2032 len = sizeof(struct sockaddr);
2041 warn("get{sock, peer}name() on closed fd");
2042 SETERRNO(EBADF,SS$_IVCHAN);
2047 DIE(no_sock_func, "getpeername");
2055 return pp_stat(ARGS);
2065 if (op->op_flags & OPf_REF) {
2066 tmpgv = cGVOP->op_gv;
2068 if (tmpgv != defgv) {
2069 laststype = OP_STAT;
2071 sv_setpv(statname, "");
2072 laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2073 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &statcache) : -1);
2075 if (laststatval < 0)
2080 if (SvTYPE(sv) == SVt_PVGV) {
2084 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2085 tmpgv = (GV*)SvRV(sv);
2088 sv_setpv(statname, SvPV(sv,na));
2091 laststype = op->op_type;
2092 if (op->op_type == OP_LSTAT)
2093 laststatval = PerlLIO_lstat(SvPV(statname, na), &statcache);
2096 laststatval = PerlLIO_stat(SvPV(statname, na), &statcache);
2097 if (laststatval < 0) {
2098 if (dowarn && strchr(SvPV(statname, na), '\n'))
2099 warn(warn_nl, "stat");
2105 if (gimme != G_ARRAY) {
2106 if (gimme != G_VOID)
2107 XPUSHs(boolSV(max));
2113 PUSHs(sv_2mortal(newSViv((I32)statcache.st_dev)));
2114 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ino)));
2115 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mode)));
2116 PUSHs(sv_2mortal(newSViv((I32)statcache.st_nlink)));
2117 PUSHs(sv_2mortal(newSViv((I32)statcache.st_uid)));
2118 PUSHs(sv_2mortal(newSViv((I32)statcache.st_gid)));
2119 #ifdef USE_STAT_RDEV
2120 PUSHs(sv_2mortal(newSViv((I32)statcache.st_rdev)));
2122 PUSHs(sv_2mortal(newSVpv("", 0)));
2124 PUSHs(sv_2mortal(newSViv((I32)statcache.st_size)));
2126 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_atime)));
2127 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_mtime)));
2128 PUSHs(sv_2mortal(newSVnv((U32)statcache.st_ctime)));
2130 PUSHs(sv_2mortal(newSViv((I32)statcache.st_atime)));
2131 PUSHs(sv_2mortal(newSViv((I32)statcache.st_mtime)));
2132 PUSHs(sv_2mortal(newSViv((I32)statcache.st_ctime)));
2134 #ifdef USE_STAT_BLOCKS
2135 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blksize)));
2136 PUSHs(sv_2mortal(newSViv((I32)statcache.st_blocks)));
2138 PUSHs(sv_2mortal(newSVpv("", 0)));
2139 PUSHs(sv_2mortal(newSVpv("", 0)));
2147 I32 result = my_stat(ARGS);
2151 if (cando(S_IRUSR, 0, &statcache))
2158 I32 result = my_stat(ARGS);
2162 if (cando(S_IWUSR, 0, &statcache))
2169 I32 result = my_stat(ARGS);
2173 if (cando(S_IXUSR, 0, &statcache))
2180 I32 result = my_stat(ARGS);
2184 if (cando(S_IRUSR, 1, &statcache))
2191 I32 result = my_stat(ARGS);
2195 if (cando(S_IWUSR, 1, &statcache))
2202 I32 result = my_stat(ARGS);
2206 if (cando(S_IXUSR, 1, &statcache))
2213 I32 result = my_stat(ARGS);
2222 return pp_ftrowned(ARGS);
2227 I32 result = my_stat(ARGS);
2231 if (statcache.st_uid == (op->op_type == OP_FTEOWNED ? euid : uid) )
2238 I32 result = my_stat(ARGS);
2242 if (!statcache.st_size)
2249 I32 result = my_stat(ARGS);
2253 PUSHi(statcache.st_size);
2259 I32 result = my_stat(ARGS);
2263 PUSHn( ((I32)basetime - (I32)statcache.st_mtime) / 86400.0 );
2269 I32 result = my_stat(ARGS);
2273 PUSHn( ((I32)basetime - (I32)statcache.st_atime) / 86400.0 );
2279 I32 result = my_stat(ARGS);
2283 PUSHn( ((I32)basetime - (I32)statcache.st_ctime) / 86400.0 );
2289 I32 result = my_stat(ARGS);
2293 if (S_ISSOCK(statcache.st_mode))
2300 I32 result = my_stat(ARGS);
2304 if (S_ISCHR(statcache.st_mode))
2311 I32 result = my_stat(ARGS);
2315 if (S_ISBLK(statcache.st_mode))
2322 I32 result = my_stat(ARGS);
2326 if (S_ISREG(statcache.st_mode))
2333 I32 result = my_stat(ARGS);
2337 if (S_ISDIR(statcache.st_mode))
2344 I32 result = my_stat(ARGS);
2348 if (S_ISFIFO(statcache.st_mode))
2355 I32 result = my_lstat(ARGS);
2359 if (S_ISLNK(statcache.st_mode))
2368 I32 result = my_stat(ARGS);
2372 if (statcache.st_mode & S_ISUID)
2382 I32 result = my_stat(ARGS);
2386 if (statcache.st_mode & S_ISGID)
2396 I32 result = my_stat(ARGS);
2400 if (statcache.st_mode & S_ISVTX)
2411 char *tmps = Nullch;
2413 if (op->op_flags & OPf_REF)
2415 else if (isGV(TOPs))
2417 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2418 gv = (GV*)SvRV(POPs);
2420 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2422 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2423 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2424 else if (tmps && isDIGIT(*tmps))
2428 if (PerlLIO_isatty(fd))
2433 #if defined(atarist) /* this will work with atariST. Configure will
2434 make guesses for other systems. */
2435 # define FILE_base(f) ((f)->_base)
2436 # define FILE_ptr(f) ((f)->_ptr)
2437 # define FILE_cnt(f) ((f)->_cnt)
2438 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2448 register STDCHAR *s;
2453 if (op->op_flags & OPf_REF)
2455 else if (isGV(TOPs))
2457 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2458 gv = (GV*)SvRV(POPs);
2469 goto really_filename;
2475 sv_setpv(statname, "");
2478 if (io && IoIFP(io)) {
2479 if (! PerlIO_has_base(IoIFP(io)))
2480 DIE("-T and -B not implemented on filehandles");
2481 laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &statcache);
2482 if (laststatval < 0)
2484 if (S_ISDIR(statcache.st_mode)) /* handle NFS glitch */
2485 if (op->op_type == OP_FTTEXT)
2489 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2490 i = PerlIO_getc(IoIFP(io));
2492 (void)PerlIO_ungetc(IoIFP(io),i);
2494 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2496 len = PerlIO_get_bufsiz(IoIFP(io));
2497 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2498 /* sfio can have large buffers - limit to 512 */
2504 warn("Test on unopened file <%s>",
2505 GvENAME(cGVOP->op_gv));
2506 SETERRNO(EBADF,RMS$_IFI);
2515 sv_setpv(statname, SvPV(sv, na));
2517 i = PerlLIO_open3(SvPV(sv, na), O_RDONLY, 0);
2519 i = PerlLIO_open(SvPV(sv, na), 0);
2522 if (dowarn && strchr(SvPV(sv, na), '\n'))
2523 warn(warn_nl, "open");
2526 laststatval = PerlLIO_fstat(i, &statcache);
2527 if (laststatval < 0)
2529 len = PerlLIO_read(i, tbuf, 512);
2530 (void)PerlLIO_close(i);
2532 if (S_ISDIR(statcache.st_mode) && op->op_type == OP_FTTEXT)
2533 RETPUSHNO; /* special case NFS directories */
2534 RETPUSHYES; /* null file is anything */
2539 /* now scan s to look for textiness */
2540 /* XXX ASCII dependent code */
2542 for (i = 0; i < len; i++, s++) {
2543 if (!*s) { /* null never allowed in text */
2550 *s != '\n' && *s != '\r' && *s != '\b' &&
2551 *s != '\t' && *s != '\f' && *s != 27)
2555 if ((odd * 3 > len) == (op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2563 return pp_fttext(ARGS);
2578 if (!tmps || !*tmps) {
2579 svp = hv_fetch(GvHVn(envgv), "HOME", 4, FALSE);
2581 tmps = SvPV(*svp, na);
2583 if (!tmps || !*tmps) {
2584 svp = hv_fetch(GvHVn(envgv), "LOGDIR", 6, FALSE);
2586 tmps = SvPV(*svp, na);
2589 if (!tmps || !*tmps) {
2590 svp = hv_fetch(GvHVn(envgv), "SYS$LOGIN", 9, FALSE);
2592 tmps = SvPV(*svp, na);
2595 TAINT_PROPER("chdir");
2596 PUSHi( PerlDir_chdir(tmps) >= 0 );
2598 /* Clear the DEFAULT element of ENV so we'll get the new value
2600 hv_delete(GvHVn(envgv),"DEFAULT",7,G_DISCARD);
2607 djSP; dMARK; dTARGET;
2610 value = (I32)apply(op->op_type, MARK, SP);
2615 DIE(no_func, "Unsupported function chown");
2625 TAINT_PROPER("chroot");
2626 PUSHi( chroot(tmps) >= 0 );
2629 DIE(no_func, "chroot");
2635 djSP; dMARK; dTARGET;
2637 value = (I32)apply(op->op_type, MARK, SP);
2645 djSP; dMARK; dTARGET;
2647 value = (I32)apply(op->op_type, MARK, SP);
2655 djSP; dMARK; dTARGET;
2657 value = (I32)apply(op->op_type, MARK, SP);
2669 char *tmps = SvPV(TOPs, na);
2670 TAINT_PROPER("rename");
2672 anum = rename(tmps, tmps2);
2674 if (!(anum = PerlLIO_stat(tmps, &statbuf))) {
2675 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2678 if (euid || PerlLIO_stat(tmps2, &statbuf) < 0 || !S_ISDIR(statbuf.st_mode))
2679 (void)UNLINK(tmps2);
2680 if (!(anum = link(tmps, tmps2)))
2681 anum = UNLINK(tmps);
2694 char *tmps = SvPV(TOPs, na);
2695 TAINT_PROPER("link");
2696 SETi( link(tmps, tmps2) >= 0 );
2698 DIE(no_func, "Unsupported function link");
2708 char *tmps = SvPV(TOPs, na);
2709 TAINT_PROPER("symlink");
2710 SETi( symlink(tmps, tmps2) >= 0 );
2713 DIE(no_func, "symlink");
2722 char buf[MAXPATHLEN];
2725 #ifndef INCOMPLETE_TAINTS
2729 len = readlink(tmps, buf, sizeof buf);
2737 RETSETUNDEF; /* just pretend it's a normal file */
2741 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
2743 dooneliner(cmd, filename)
2747 char *save_filename = filename;
2753 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
2754 strcpy(cmdline, cmd);
2755 strcat(cmdline, " ");
2756 for (s = cmdline + strlen(cmdline); *filename; ) {
2761 myfp = PerlProc_popen(cmdline, "r");
2765 SV *tmpsv = sv_newmortal();
2766 /* Need to save/restore 'rs' ?? */
2767 s = sv_gets(tmpsv, myfp, 0);
2768 (void)PerlProc_pclose(myfp);
2772 #ifdef HAS_SYS_ERRLIST
2777 /* you don't see this */
2779 #ifdef HAS_SYS_ERRLIST
2787 if (instr(s, errmsg)) {
2794 #define EACCES EPERM
2796 if (instr(s, "cannot make"))
2797 SETERRNO(EEXIST,RMS$_FEX);
2798 else if (instr(s, "existing file"))
2799 SETERRNO(EEXIST,RMS$_FEX);
2800 else if (instr(s, "ile exists"))
2801 SETERRNO(EEXIST,RMS$_FEX);
2802 else if (instr(s, "non-exist"))
2803 SETERRNO(ENOENT,RMS$_FNF);
2804 else if (instr(s, "does not exist"))
2805 SETERRNO(ENOENT,RMS$_FNF);
2806 else if (instr(s, "not empty"))
2807 SETERRNO(EBUSY,SS$_DEVOFFLINE);
2808 else if (instr(s, "cannot access"))
2809 SETERRNO(EACCES,RMS$_PRV);
2811 SETERRNO(EPERM,RMS$_PRV);
2814 else { /* some mkdirs return no failure indication */
2815 anum = (PerlLIO_stat(save_filename, &statbuf) >= 0);
2816 if (op->op_type == OP_RMDIR)
2821 SETERRNO(EACCES,RMS$_PRV); /* a guess */
2837 char *tmps = SvPV(TOPs, na);
2839 TAINT_PROPER("mkdir");
2841 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
2843 SETi( dooneliner("mkdir", tmps) );
2844 oldumask = PerlLIO_umask(0);
2845 PerlLIO_umask(oldumask);
2846 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
2857 TAINT_PROPER("rmdir");
2859 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
2861 XPUSHi( dooneliner("rmdir", tmps) );
2866 /* Directory calls. */
2871 #if defined(Direntry_t) && defined(HAS_READDIR)
2872 char *dirname = POPp;
2874 register IO *io = GvIOn(gv);
2880 PerlDir_close(IoDIRP(io));
2881 if (!(IoDIRP(io) = PerlDir_open(dirname)))
2887 SETERRNO(EBADF,RMS$_DIR);
2890 DIE(no_dir_func, "opendir");
2897 #if defined(Direntry_t) && defined(HAS_READDIR)
2899 Direntry_t *readdir _((DIR *));
2901 register Direntry_t *dp;
2903 register IO *io = GvIOn(gv);
2906 if (!io || !IoDIRP(io))
2909 if (GIMME == G_ARRAY) {
2911 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
2913 sv = newSVpv(dp->d_name, dp->d_namlen);
2915 sv = newSVpv(dp->d_name, 0);
2917 #ifndef INCOMPLETE_TAINTS
2920 XPUSHs(sv_2mortal(sv));
2924 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
2927 sv = newSVpv(dp->d_name, dp->d_namlen);
2929 sv = newSVpv(dp->d_name, 0);
2931 #ifndef INCOMPLETE_TAINTS
2934 XPUSHs(sv_2mortal(sv));
2940 SETERRNO(EBADF,RMS$_ISI);
2941 if (GIMME == G_ARRAY)
2946 DIE(no_dir_func, "readdir");
2953 #if defined(HAS_TELLDIR) || defined(telldir)
2954 # ifdef NEED_TELLDIR_PROTO /* XXX does _anyone_ need this? --AD 2/20/1998 */
2955 long telldir _((DIR *));
2958 register IO *io = GvIOn(gv);
2960 if (!io || !IoDIRP(io))
2963 PUSHi( PerlDir_tell(IoDIRP(io)) );
2967 SETERRNO(EBADF,RMS$_ISI);
2970 DIE(no_dir_func, "telldir");
2977 #if defined(HAS_SEEKDIR) || defined(seekdir)
2980 register IO *io = GvIOn(gv);
2982 if (!io || !IoDIRP(io))
2985 (void)PerlDir_seek(IoDIRP(io), along);
2990 SETERRNO(EBADF,RMS$_ISI);
2993 DIE(no_dir_func, "seekdir");
3000 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3002 register IO *io = GvIOn(gv);
3004 if (!io || !IoDIRP(io))
3007 (void)PerlDir_rewind(IoDIRP(io));
3011 SETERRNO(EBADF,RMS$_ISI);
3014 DIE(no_dir_func, "rewinddir");
3021 #if defined(Direntry_t) && defined(HAS_READDIR)
3023 register IO *io = GvIOn(gv);
3025 if (!io || !IoDIRP(io))
3028 #ifdef VOID_CLOSEDIR
3029 PerlDir_close(IoDIRP(io));
3031 if (PerlDir_close(IoDIRP(io)) < 0) {
3032 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3041 SETERRNO(EBADF,RMS$_IFI);
3044 DIE(no_dir_func, "closedir");
3048 /* Process control. */
3063 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3064 sv_setiv(GvSV(tmpgv), (IV)getpid());
3065 hv_clear(pidstatus); /* no kids, so don't wait for 'em */
3070 DIE(no_func, "Unsupported function fork");
3076 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3081 childpid = wait4pid(-1, &argflags, 0);
3082 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3086 DIE(no_func, "Unsupported function wait");
3092 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3100 childpid = wait4pid(childpid, &argflags, optype);
3101 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3105 DIE(no_func, "Unsupported function waitpid");
3111 djSP; dMARK; dORIGMARK; dTARGET;
3116 Sigsave_t ihand,qhand; /* place to save signals during system() */
3118 if (SP - MARK == 1) {
3120 char *junk = SvPV(TOPs, na);
3122 TAINT_PROPER("system");
3125 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3126 while ((childpid = vfork()) == -1) {
3127 if (errno != EAGAIN) {
3136 rsignal_save(SIGINT, SIG_IGN, &ihand);
3137 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3139 result = wait4pid(childpid, &status, 0);
3140 } while (result == -1 && errno == EINTR);
3141 (void)rsignal_restore(SIGINT, &ihand);
3142 (void)rsignal_restore(SIGQUIT, &qhand);
3143 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3144 do_execfree(); /* free any memory child malloced on vfork */
3146 PUSHi(STATUS_CURRENT);
3149 if (op->op_flags & OPf_STACKED) {
3150 SV *really = *++MARK;
3151 value = (I32)do_aexec(really, MARK, SP);
3153 else if (SP - MARK != 1)
3154 value = (I32)do_aexec(Nullsv, MARK, SP);
3156 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3159 #else /* ! FORK or VMS or OS/2 */
3160 if (op->op_flags & OPf_STACKED) {
3161 SV *really = *++MARK;
3162 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3164 else if (SP - MARK != 1)
3165 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3167 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), na));
3169 STATUS_NATIVE_SET(value);
3172 PUSHi(STATUS_CURRENT);
3173 #endif /* !FORK or VMS */
3179 djSP; dMARK; dORIGMARK; dTARGET;
3182 if (op->op_flags & OPf_STACKED) {
3183 SV *really = *++MARK;
3184 value = (I32)do_aexec(really, MARK, SP);
3186 else if (SP - MARK != 1)
3188 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3190 value = (I32)do_aexec(Nullsv, MARK, SP);
3194 char *junk = SvPV(*SP, na);
3196 TAINT_PROPER("exec");
3199 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), na));
3201 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), na));
3211 djSP; dMARK; dTARGET;
3214 value = (I32)apply(op->op_type, MARK, SP);
3219 DIE(no_func, "Unsupported function kill");
3227 XPUSHi( getppid() );
3230 DIE(no_func, "getppid");
3246 value = (I32)BSD_GETPGRP(pid);
3248 if (pid != 0 && pid != getpid())
3249 DIE("POSIX getpgrp can't take an argument");
3250 value = (I32)getpgrp();
3255 DIE(no_func, "getpgrp()");
3274 TAINT_PROPER("setpgrp");
3276 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3278 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3279 DIE("POSIX setpgrp can't take an argument");
3280 SETi( setpgrp() >= 0 );
3281 #endif /* USE_BSDPGRP */
3284 DIE(no_func, "setpgrp()");
3293 #ifdef HAS_GETPRIORITY
3296 SETi( getpriority(which, who) );
3299 DIE(no_func, "getpriority()");
3309 #ifdef HAS_SETPRIORITY
3313 TAINT_PROPER("setpriority");
3314 SETi( setpriority(which, who, niceval) >= 0 );
3317 DIE(no_func, "setpriority()");
3327 XPUSHn( time(Null(Time_t*)) );
3329 XPUSHi( time(Null(Time_t*)) );
3334 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3335 to HZ. Probably. For now, assume that if the system
3336 defines HZ, it does so correctly. (Will this break
3338 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3339 it's supported. --AD 9/96.
3355 DIE("times not implemented");
3360 (void)times(×buf);
3362 (void)times((tbuffer_t *)×buf); /* time.h uses different name for */
3363 /* struct tms, though same data */
3367 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_utime)/HZ)));
3368 if (GIMME == G_ARRAY) {
3369 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_stime)/HZ)));
3370 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cutime)/HZ)));
3371 PUSHs(sv_2mortal(newSVnv(((double)timesbuf.tms_cstime)/HZ)));
3374 #endif /* HAS_TIMES */
3379 return pp_gmtime(ARGS);
3387 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3388 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3389 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3395 when = (Time_t)SvNVx(POPs);
3397 when = (Time_t)SvIVx(POPs);
3400 if (op->op_type == OP_LOCALTIME)
3401 tmbuf = localtime(&when);
3403 tmbuf = gmtime(&when);
3407 if (GIMME != G_ARRAY) {
3412 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3413 dayname[tmbuf->tm_wday],
3414 monname[tmbuf->tm_mon],
3419 tmbuf->tm_year + 1900);
3420 PUSHs(sv_2mortal(tsv));
3423 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3424 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3425 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3426 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3427 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3428 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3429 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3430 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3431 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3442 anum = alarm((unsigned int)anum);
3449 DIE(no_func, "Unsupported function alarm");
3460 (void)time(&lasttime);
3465 sleep((unsigned int)duration);
3468 XPUSHi(when - lasttime);
3472 /* Shared memory. */
3476 return pp_semget(ARGS);
3481 return pp_semctl(ARGS);
3486 return pp_shmwrite(ARGS);
3491 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3492 djSP; dMARK; dTARGET;
3493 I32 value = (I32)(do_shmio(op->op_type, MARK, SP) >= 0);
3498 return pp_semget(ARGS);
3502 /* Message passing. */
3506 return pp_semget(ARGS);
3511 return pp_semctl(ARGS);
3516 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3517 djSP; dMARK; dTARGET;
3518 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3523 return pp_semget(ARGS);
3529 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3530 djSP; dMARK; dTARGET;
3531 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3536 return pp_semget(ARGS);
3544 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3545 djSP; dMARK; dTARGET;
3546 int anum = do_ipcget(op->op_type, MARK, SP);
3553 DIE("System V IPC is not implemented on this machine");
3559 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3560 djSP; dMARK; dTARGET;
3561 int anum = do_ipcctl(op->op_type, MARK, SP);
3569 PUSHp(zero_but_true, ZBTLEN);
3573 return pp_semget(ARGS);
3579 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3580 djSP; dMARK; dTARGET;
3581 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3586 return pp_semget(ARGS);
3590 /* Get system info. */
3594 #ifdef HAS_GETHOSTBYNAME
3595 return pp_ghostent(ARGS);
3597 DIE(no_sock_func, "gethostbyname");
3603 #ifdef HAS_GETHOSTBYADDR
3604 return pp_ghostent(ARGS);
3606 DIE(no_sock_func, "gethostbyaddr");
3613 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
3614 I32 which = op->op_type;
3615 register char **elem;
3617 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
3618 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
3619 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
3620 struct hostent *PerlSock_gethostent(void);
3622 struct hostent *hent;
3626 if (which == OP_GHBYNAME)
3627 #ifdef HAS_GETHOSTBYNAME
3628 hent = PerlSock_gethostbyname(POPp);
3630 DIE(no_sock_func, "gethostbyname");
3632 else if (which == OP_GHBYADDR) {
3633 #ifdef HAS_GETHOSTBYADDR
3634 int addrtype = POPi;
3637 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
3639 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
3641 DIE(no_sock_func, "gethostbyaddr");
3645 #ifdef HAS_GETHOSTENT
3646 hent = PerlSock_gethostent();
3648 DIE(no_sock_func, "gethostent");
3651 #ifdef HOST_NOT_FOUND
3653 STATUS_NATIVE_SET(h_errno);
3656 if (GIMME != G_ARRAY) {
3657 PUSHs(sv = sv_newmortal());
3659 if (which == OP_GHBYNAME) {
3661 sv_setpvn(sv, hent->h_addr, hent->h_length);
3664 sv_setpv(sv, (char*)hent->h_name);
3670 PUSHs(sv = sv_mortalcopy(&sv_no));
3671 sv_setpv(sv, (char*)hent->h_name);
3672 PUSHs(sv = sv_mortalcopy(&sv_no));
3673 for (elem = hent->h_aliases; elem && *elem; elem++) {
3674 sv_catpv(sv, *elem);
3676 sv_catpvn(sv, " ", 1);
3678 PUSHs(sv = sv_mortalcopy(&sv_no));
3679 sv_setiv(sv, (IV)hent->h_addrtype);
3680 PUSHs(sv = sv_mortalcopy(&sv_no));
3681 len = hent->h_length;
3682 sv_setiv(sv, (IV)len);
3684 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3685 XPUSHs(sv = sv_mortalcopy(&sv_no));
3686 sv_setpvn(sv, *elem, len);
3689 PUSHs(sv = sv_mortalcopy(&sv_no));
3691 sv_setpvn(sv, hent->h_addr, len);
3696 DIE(no_sock_func, "gethostent");
3702 #ifdef HAS_GETNETBYNAME
3703 return pp_gnetent(ARGS);
3705 DIE(no_sock_func, "getnetbyname");
3711 #ifdef HAS_GETNETBYADDR
3712 return pp_gnetent(ARGS);
3714 DIE(no_sock_func, "getnetbyaddr");
3721 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
3722 I32 which = op->op_type;
3723 register char **elem;
3725 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
3726 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
3727 struct netent *PerlSock_getnetbyname(Netdb_name_t);
3728 struct netent *PerlSock_getnetent(void);
3730 struct netent *nent;
3732 if (which == OP_GNBYNAME)
3733 #ifdef HAS_GETNETBYNAME
3734 nent = PerlSock_getnetbyname(POPp);
3736 DIE(no_sock_func, "getnetbyname");
3738 else if (which == OP_GNBYADDR) {
3739 #ifdef HAS_GETNETBYADDR
3740 int addrtype = POPi;
3741 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
3742 nent = PerlSock_getnetbyaddr(addr, addrtype);
3744 DIE(no_sock_func, "getnetbyaddr");
3748 #ifdef HAS_GETNETENT
3749 nent = PerlSock_getnetent();
3751 DIE(no_sock_func, "getnetent");
3755 if (GIMME != G_ARRAY) {
3756 PUSHs(sv = sv_newmortal());
3758 if (which == OP_GNBYNAME)
3759 sv_setiv(sv, (IV)nent->n_net);
3761 sv_setpv(sv, nent->n_name);
3767 PUSHs(sv = sv_mortalcopy(&sv_no));
3768 sv_setpv(sv, nent->n_name);
3769 PUSHs(sv = sv_mortalcopy(&sv_no));
3770 for (elem = nent->n_aliases; elem && *elem; elem++) {
3771 sv_catpv(sv, *elem);
3773 sv_catpvn(sv, " ", 1);
3775 PUSHs(sv = sv_mortalcopy(&sv_no));
3776 sv_setiv(sv, (IV)nent->n_addrtype);
3777 PUSHs(sv = sv_mortalcopy(&sv_no));
3778 sv_setiv(sv, (IV)nent->n_net);
3783 DIE(no_sock_func, "getnetent");
3789 #ifdef HAS_GETPROTOBYNAME
3790 return pp_gprotoent(ARGS);
3792 DIE(no_sock_func, "getprotobyname");
3798 #ifdef HAS_GETPROTOBYNUMBER
3799 return pp_gprotoent(ARGS);
3801 DIE(no_sock_func, "getprotobynumber");
3808 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
3809 I32 which = op->op_type;
3810 register char **elem;
3812 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
3813 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
3814 struct protoent *PerlSock_getprotobynumber(int);
3815 struct protoent *PerlSock_getprotoent(void);
3817 struct protoent *pent;
3819 if (which == OP_GPBYNAME)
3820 #ifdef HAS_GETPROTOBYNAME
3821 pent = PerlSock_getprotobyname(POPp);
3823 DIE(no_sock_func, "getprotobyname");
3825 else if (which == OP_GPBYNUMBER)
3826 #ifdef HAS_GETPROTOBYNUMBER
3827 pent = PerlSock_getprotobynumber(POPi);
3829 DIE(no_sock_func, "getprotobynumber");
3832 #ifdef HAS_GETPROTOENT
3833 pent = PerlSock_getprotoent();
3835 DIE(no_sock_func, "getprotoent");
3839 if (GIMME != G_ARRAY) {
3840 PUSHs(sv = sv_newmortal());
3842 if (which == OP_GPBYNAME)
3843 sv_setiv(sv, (IV)pent->p_proto);
3845 sv_setpv(sv, pent->p_name);
3851 PUSHs(sv = sv_mortalcopy(&sv_no));
3852 sv_setpv(sv, pent->p_name);
3853 PUSHs(sv = sv_mortalcopy(&sv_no));
3854 for (elem = pent->p_aliases; elem && *elem; elem++) {
3855 sv_catpv(sv, *elem);
3857 sv_catpvn(sv, " ", 1);
3859 PUSHs(sv = sv_mortalcopy(&sv_no));
3860 sv_setiv(sv, (IV)pent->p_proto);
3865 DIE(no_sock_func, "getprotoent");
3871 #ifdef HAS_GETSERVBYNAME
3872 return pp_gservent(ARGS);
3874 DIE(no_sock_func, "getservbyname");
3880 #ifdef HAS_GETSERVBYPORT
3881 return pp_gservent(ARGS);
3883 DIE(no_sock_func, "getservbyport");
3890 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
3891 I32 which = op->op_type;
3892 register char **elem;
3894 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
3895 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
3896 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
3897 struct servent *PerlSock_getservent(void);
3899 struct servent *sent;
3901 if (which == OP_GSBYNAME) {
3902 #ifdef HAS_GETSERVBYNAME
3906 if (proto && !*proto)
3909 sent = PerlSock_getservbyname(name, proto);
3911 DIE(no_sock_func, "getservbyname");
3914 else if (which == OP_GSBYPORT) {
3915 #ifdef HAS_GETSERVBYPORT
3917 unsigned short port = POPu;
3920 port = PerlSock_htons(port);
3922 sent = PerlSock_getservbyport(port, proto);
3924 DIE(no_sock_func, "getservbyport");
3928 #ifdef HAS_GETSERVENT
3929 sent = PerlSock_getservent();
3931 DIE(no_sock_func, "getservent");
3935 if (GIMME != G_ARRAY) {
3936 PUSHs(sv = sv_newmortal());
3938 if (which == OP_GSBYNAME) {
3940 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
3942 sv_setiv(sv, (IV)(sent->s_port));
3946 sv_setpv(sv, sent->s_name);
3952 PUSHs(sv = sv_mortalcopy(&sv_no));
3953 sv_setpv(sv, sent->s_name);
3954 PUSHs(sv = sv_mortalcopy(&sv_no));
3955 for (elem = sent->s_aliases; elem && *elem; elem++) {
3956 sv_catpv(sv, *elem);
3958 sv_catpvn(sv, " ", 1);
3960 PUSHs(sv = sv_mortalcopy(&sv_no));
3962 sv_setiv(sv, (IV)ntohs(sent->s_port));
3964 sv_setiv(sv, (IV)(sent->s_port));
3966 PUSHs(sv = sv_mortalcopy(&sv_no));
3967 sv_setpv(sv, sent->s_proto);
3972 DIE(no_sock_func, "getservent");
3979 #ifdef HAS_SETHOSTENT
3983 DIE(no_sock_func, "sethostent");
3990 #ifdef HAS_SETNETENT
3994 DIE(no_sock_func, "setnetent");
4001 #ifdef HAS_SETPROTOENT
4005 DIE(no_sock_func, "setprotoent");
4012 #ifdef HAS_SETSERVENT
4016 DIE(no_sock_func, "setservent");
4023 #ifdef HAS_ENDHOSTENT
4024 PerlSock_endhostent();
4028 DIE(no_sock_func, "endhostent");
4035 #ifdef HAS_ENDNETENT
4036 PerlSock_endnetent();
4040 DIE(no_sock_func, "endnetent");
4047 #ifdef HAS_ENDPROTOENT
4048 PerlSock_endprotoent();
4052 DIE(no_sock_func, "endprotoent");
4059 #ifdef HAS_ENDSERVENT
4060 PerlSock_endservent();
4064 DIE(no_sock_func, "endservent");
4071 return pp_gpwent(ARGS);
4073 DIE(no_func, "getpwnam");
4080 return pp_gpwent(ARGS);
4082 DIE(no_func, "getpwuid");
4090 I32 which = op->op_type;
4092 struct passwd *pwent;
4094 if (which == OP_GPWNAM)
4095 pwent = getpwnam(POPp);
4096 else if (which == OP_GPWUID)
4097 pwent = getpwuid(POPi);
4099 pwent = (struct passwd *)getpwent();
4102 if (GIMME != G_ARRAY) {
4103 PUSHs(sv = sv_newmortal());
4105 if (which == OP_GPWNAM)
4106 sv_setiv(sv, (IV)pwent->pw_uid);
4108 sv_setpv(sv, pwent->pw_name);
4114 PUSHs(sv = sv_mortalcopy(&sv_no));
4115 sv_setpv(sv, pwent->pw_name);
4117 PUSHs(sv = sv_mortalcopy(&sv_no));
4118 sv_setpv(sv, pwent->pw_passwd);
4120 PUSHs(sv = sv_mortalcopy(&sv_no));
4121 sv_setiv(sv, (IV)pwent->pw_uid);
4123 PUSHs(sv = sv_mortalcopy(&sv_no));
4124 sv_setiv(sv, (IV)pwent->pw_gid);
4126 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4127 PUSHs(sv = sv_mortalcopy(&sv_no));
4129 sv_setiv(sv, (IV)pwent->pw_change);
4132 sv_setiv(sv, (IV)pwent->pw_quota);
4135 sv_setpv(sv, pwent->pw_age);
4140 /* pw_class and pw_comment are mutually exclusive. */
4141 PUSHs(sv = sv_mortalcopy(&sv_no));
4143 sv_setpv(sv, pwent->pw_class);
4146 sv_setpv(sv, pwent->pw_comment);
4150 PUSHs(sv = sv_mortalcopy(&sv_no));
4152 sv_setpv(sv, pwent->pw_gecos);
4154 #ifndef INCOMPLETE_TAINTS
4155 /* pw_gecos is tainted. */
4159 PUSHs(sv = sv_mortalcopy(&sv_no));
4160 sv_setpv(sv, pwent->pw_dir);
4162 PUSHs(sv = sv_mortalcopy(&sv_no));
4163 sv_setpv(sv, pwent->pw_shell);
4166 PUSHs(sv = sv_mortalcopy(&sv_no));
4167 sv_setiv(sv, (IV)pwent->pw_expire);
4172 DIE(no_func, "getpwent");
4179 #if defined(HAS_PASSWD) && !defined(CYGWIN32)
4183 DIE(no_func, "setpwent");
4194 DIE(no_func, "endpwent");
4201 return pp_ggrent(ARGS);
4203 DIE(no_func, "getgrnam");
4210 return pp_ggrent(ARGS);
4212 DIE(no_func, "getgrgid");
4220 I32 which = op->op_type;
4221 register char **elem;
4223 struct group *grent;
4225 if (which == OP_GGRNAM)
4226 grent = (struct group *)getgrnam(POPp);
4227 else if (which == OP_GGRGID)
4228 grent = (struct group *)getgrgid(POPi);
4230 grent = (struct group *)getgrent();
4233 if (GIMME != G_ARRAY) {
4234 PUSHs(sv = sv_newmortal());
4236 if (which == OP_GGRNAM)
4237 sv_setiv(sv, (IV)grent->gr_gid);
4239 sv_setpv(sv, grent->gr_name);
4245 PUSHs(sv = sv_mortalcopy(&sv_no));
4246 sv_setpv(sv, grent->gr_name);
4247 PUSHs(sv = sv_mortalcopy(&sv_no));
4248 sv_setpv(sv, grent->gr_passwd);
4249 PUSHs(sv = sv_mortalcopy(&sv_no));
4250 sv_setiv(sv, (IV)grent->gr_gid);
4251 PUSHs(sv = sv_mortalcopy(&sv_no));
4252 for (elem = grent->gr_mem; elem && *elem; elem++) {
4253 sv_catpv(sv, *elem);
4255 sv_catpvn(sv, " ", 1);
4261 DIE(no_func, "getgrent");
4272 DIE(no_func, "setgrent");
4283 DIE(no_func, "endgrent");
4293 if (!(tmps = getlogin()))
4295 PUSHp(tmps, strlen(tmps));
4298 DIE(no_func, "getlogin");
4302 /* Miscellaneous. */
4307 djSP; dMARK; dORIGMARK; dTARGET;
4308 register I32 items = SP - MARK;
4309 unsigned long a[20];
4315 while (++MARK <= SP) {
4316 if (SvTAINTED(*MARK)) {
4322 TAINT_PROPER("syscall");
4325 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4326 * or where sizeof(long) != sizeof(char*). But such machines will
4327 * not likely have syscall implemented either, so who cares?
4329 while (++MARK <= SP) {
4330 if (SvNIOK(*MARK) || !i)
4331 a[i++] = SvIV(*MARK);
4332 else if (*MARK == &sv_undef)
4335 a[i++] = (unsigned long)SvPV_force(*MARK, na);
4341 DIE("Too many args to syscall");
4343 DIE("Too few args to syscall");
4345 retval = syscall(a[0]);
4348 retval = syscall(a[0],a[1]);
4351 retval = syscall(a[0],a[1],a[2]);
4354 retval = syscall(a[0],a[1],a[2],a[3]);
4357 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4360 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4363 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4366 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4370 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4373 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4376 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4380 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4384 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4388 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4389 a[10],a[11],a[12],a[13]);
4391 #endif /* atarist */
4397 DIE(no_func, "syscall");
4401 #ifdef FCNTL_EMULATE_FLOCK
4403 /* XXX Emulate flock() with fcntl().
4404 What's really needed is a good file locking module.
4408 fcntl_emulate_flock(int fd, int operation)
4412 switch (operation & ~LOCK_NB) {
4414 flock.l_type = F_RDLCK;
4417 flock.l_type = F_WRLCK;
4420 flock.l_type = F_UNLCK;
4426 flock.l_whence = SEEK_SET;
4427 flock.l_start = flock.l_len = 0L;
4429 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4432 #endif /* FCNTL_EMULATE_FLOCK */
4434 #ifdef LOCKF_EMULATE_FLOCK
4436 /* XXX Emulate flock() with lockf(). This is just to increase
4437 portability of scripts. The calls are not completely
4438 interchangeable. What's really needed is a good file
4442 /* The lockf() constants might have been defined in <unistd.h>.
4443 Unfortunately, <unistd.h> causes troubles on some mixed
4444 (BSD/POSIX) systems, such as SunOS 4.1.3.
4446 Further, the lockf() constants aren't POSIX, so they might not be
4447 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4448 just stick in the SVID values and be done with it. Sigh.
4452 # define F_ULOCK 0 /* Unlock a previously locked region */
4455 # define F_LOCK 1 /* Lock a region for exclusive use */
4458 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4461 # define F_TEST 3 /* Test a region for other processes locks */
4465 lockf_emulate_flock (fd, operation)
4473 /* flock locks entire file so for lockf we need to do the same */
4475 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4476 if (pos > 0) /* is seekable and needs to be repositioned */
4477 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4478 pos = -1; /* seek failed, so don't seek back afterwards */
4481 switch (operation) {
4483 /* LOCK_SH - get a shared lock */
4485 /* LOCK_EX - get an exclusive lock */
4487 i = lockf (fd, F_LOCK, 0);
4490 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4491 case LOCK_SH|LOCK_NB:
4492 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4493 case LOCK_EX|LOCK_NB:
4494 i = lockf (fd, F_TLOCK, 0);
4496 if ((errno == EAGAIN) || (errno == EACCES))
4497 errno = EWOULDBLOCK;
4500 /* LOCK_UN - unlock (non-blocking is a no-op) */
4502 case LOCK_UN|LOCK_NB:
4503 i = lockf (fd, F_ULOCK, 0);
4506 /* Default - can't decipher operation */
4513 if (pos > 0) /* need to restore position of the handle */
4514 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4519 #endif /* LOCKF_EMULATE_FLOCK */