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, see "extern int errno in perl.h". Creating such
60 a test requires taking into account the differences between
61 compiling multithreaded and singlethreaded ($ccflags et al).
62 HOST_NOT_FOUND is typically defined in <netdb.h>.
64 #if defined(HOST_NOT_FOUND) && !defined(h_errno)
72 struct passwd *getpwnam _((char *));
73 struct passwd *getpwuid _((Uid_t));
76 struct passwd *getpwent _((void));
84 struct group *getgrnam _((char *));
85 struct group *getgrgid _((Gid_t));
88 struct group *getgrent _((void));
93 # if defined(_MSC_VER) || defined(__MINGW32__)
94 # include <sys/utime.h>
103 #include <sys/file.h>
106 /* Put this after #includes because fork and vfork prototypes may conflict. */
111 /* Put this after #includes because <unistd.h> defines _XOPEN_*. */
113 # if _XOPEN_VERSION >= 5 || defined(_XOPEN_SOURCE_EXTENDED) || defined(__GLIBC__)
114 # define Sock_size_t Size_t
116 # define Sock_size_t int
120 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
121 static int dooneliner _((char *cmd, char *filename));
125 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
128 # define my_chsize PerlLIO_chsize
133 #else /* no flock() */
135 /* fcntl.h might not have been included, even if it exists, because
136 the current Configure only sets I_FCNTL if it's needed to pick up
137 the *_OK constants. Make sure it has been included before testing
138 the fcntl() locking constants. */
139 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
143 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
144 # define FLOCK fcntl_emulate_flock
145 # define FCNTL_EMULATE_FLOCK
146 # else /* no flock() or fcntl(F_SETLK,...) */
148 # define FLOCK lockf_emulate_flock
149 # define LOCKF_EMULATE_FLOCK
151 # endif /* no flock() or fcntl(F_SETLK,...) */
154 static int FLOCK _((int, int));
157 * These are the flock() constants. Since this sytems doesn't have
158 * flock(), the values of the constants are probably not available.
172 # endif /* emulating flock() */
174 #endif /* no flock() */
176 #if defined(I_SYS_ACCESS) && !defined(R_OK)
177 # include <sys/access.h>
180 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
181 #undef PERL_EFF_ACCESS_W_OK
182 #undef PERL_EFF_ACCESS_X_OK
184 /* F_OK unused: if stat() cannot find it... */
186 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
187 /* Digital UNIX, UnixWare */
188 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
189 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
190 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
193 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
195 # if defined(I_SYS_SECURITY)
196 # include <sys/security.h>
198 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
199 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
200 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
203 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
205 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
206 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
207 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
210 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
211 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
212 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
215 emulate_eaccess (const char* path, int mode) {
216 Uid_t ruid = getuid();
217 Uid_t euid = geteuid();
218 Gid_t rgid = getgid();
219 Gid_t egid = getegid();
222 MUTEX_LOCK(&PL_cred_mutex);
223 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
224 croak("effective uid access is not implemented");
227 if (setreuid(euid, ruid))
230 if (setresuid(euid, ruid, (Uid_t)-1))
233 croak("entering effective uid access failed");
236 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
237 croak("effective gid access is not implemented");
240 if (setregid(egid, rgid))
243 if (setresgid(egid, rgid, (Gid_t)-1))
246 croak("entering effective gid access failed");
249 res = access(path, mode);
252 if (setreuid(ruid, euid))
255 if (setresuid(ruid, euid, (Uid_t)-1))
258 croak("leaving effective uid access failed");
261 if (setregid(rgid, egid))
264 if (setresgid(rgid, egid, (Gid_t)-1))
267 croak("leaving effective gid access failed");
268 MUTEX_UNLOCK(&PL_cred_mutex);
272 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
273 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
274 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
277 #if !defined(PERL_EFF_ACCESS_R_OK)
279 emulate_eaccess (const char* path, int mode) {
280 croak("effective uid access is not implemented");
288 # define MAXPATHLEN PATH_MAX
290 # define MAXPATHLEN 1024
295 static char zero_but_true[ZBTLEN + 1] = "0 but true";
305 fp = PerlProc_popen(tmps, "r");
307 if (gimme == G_VOID) {
309 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
313 else if (gimme == G_SCALAR) {
314 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
315 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
326 if (sv_gets(sv, fp, 0) == Nullch) {
330 XPUSHs(sv_2mortal(sv));
331 if (SvLEN(sv) - SvCUR(sv) > 20) {
332 SvLEN_set(sv, SvCUR(sv)+1);
333 Renew(SvPVX(sv), SvLEN(sv), char);
338 STATUS_NATIVE_SET(PerlProc_pclose(fp));
339 TAINT; /* "I believe that this is not gratuitous!" */
342 STATUS_NATIVE_SET(-1);
343 if (gimme == G_SCALAR)
358 * The external globbing program may use things we can't control,
359 * so for security reasons we must assume the worst.
362 taint_proper(no_security, "glob");
366 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
367 PL_last_in_gv = (GV*)*PL_stack_sp--;
369 SAVESPTR(PL_rs); /* This is not permanent, either. */
370 PL_rs = sv_2mortal(newSVpv("", 1));
373 *SvPVX(PL_rs) = '\n';
377 result = do_readline();
382 #if 0 /* XXX never used! */
385 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), PL_na), TRUE,SVt_PVIO);
386 return do_readline();
392 PL_last_in_gv = cGVOP->op_gv;
393 return do_readline();
400 if (SP - MARK != 1) {
402 do_join(TARG, &PL_sv_no, MARK, SP);
403 tmps = SvPV(TARG, PL_na);
407 tmps = SvPV(TOPs, PL_na);
409 if (!tmps || !*tmps) {
411 (void)SvUPGRADE(error, SVt_PV);
412 if (SvPOK(error) && SvCUR(error))
413 sv_catpv(error, "\t...caught");
414 tmps = SvPV(error, PL_na);
417 tmps = "Warning: something's wrong";
428 if (SP - MARK != 1) {
430 do_join(TARG, &PL_sv_no, MARK, SP);
431 tmps = SvPV(TARG, PL_na);
436 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, PL_na);
438 if (!tmps || !*tmps) {
440 (void)SvUPGRADE(error, SVt_PV);
441 if(tmpsv ? SvROK(tmpsv) : SvROK(error)) {
443 SvSetSV(error,tmpsv);
444 else if(sv_isobject(error)) {
445 HV *stash = SvSTASH(SvRV(error));
446 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
448 SV *file = sv_2mortal(newSVsv(GvSV(PL_curcop->cop_filegv)));
449 SV *line = sv_2mortal(newSViv(PL_curcop->cop_line));
456 perl_call_sv((SV*)GvCV(gv),
457 G_SCALAR|G_EVAL|G_KEEPERR);
458 sv_setsv(error,*PL_stack_sp--);
464 if (SvPOK(error) && SvCUR(error))
465 sv_catpv(error, "\t...propagated");
466 tmps = SvPV(error, PL_na);
487 DIE(no_usym, "filehandle");
492 DIE(no_usym, "filehandle");
494 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
495 tmps = SvPV(sv, len);
496 if (do_open(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp))
497 PUSHi( (I32)PL_forkprocess );
498 else if (PL_forkprocess == 0) /* we are a new child */
516 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
521 perl_call_method("CLOSE", G_SCALAR);
527 PUSHs(boolSV(do_close(gv, TRUE)));
547 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
548 DIE(no_usym, "filehandle");
553 do_close(rgv, FALSE);
555 do_close(wgv, FALSE);
557 if (PerlProc_pipe(fd) < 0)
560 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
561 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
562 IoIFP(wstio) = IoOFP(wstio);
566 if (!IoIFP(rstio) || !IoOFP(wstio)) {
567 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
568 else PerlLIO_close(fd[0]);
569 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
570 else PerlLIO_close(fd[1]);
579 DIE(no_func, "pipe");
592 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
594 PUSHi(PerlIO_fileno(fp));
605 anum = PerlLIO_umask(0);
606 (void)PerlLIO_umask(anum);
609 anum = PerlLIO_umask(POPi);
610 TAINT_PROPER("umask");
613 /* Only DIE if trying to restrict permissions on `user' (self).
614 * Otherwise it's harmless and more useful to just return undef
615 * since 'group' and 'other' concepts probably don't exist here. */
616 if (MAXARG >= 1 && (POPi & 0700))
617 DIE("umask not implemented");
618 XPUSHs(&PL_sv_undef);
636 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
639 if (do_binmode(fp,IoTYPE(io),TRUE))
654 I32 markoff = MARK - PL_stack_base;
660 switch(SvTYPE(varsv)) {
662 methname = "TIEHASH";
665 methname = "TIEARRAY";
668 methname = "TIEHANDLE";
672 methname = "TIESCALAR";
677 if (sv_isobject(*MARK)) {
679 PUSHSTACKi(PERLSI_MAGIC);
685 perl_call_method(methname, G_SCALAR);
688 /* Not clear why we don't call perl_call_method here too.
689 * perhaps to get different error message ?
691 stash = gv_stashsv(*MARK, FALSE);
692 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
693 DIE("Can't locate object method \"%s\" via package \"%s\"",
694 methname, SvPV(*MARK,PL_na));
697 PUSHSTACKi(PERLSI_MAGIC);
703 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
709 if (sv_isobject(sv)) {
710 sv_unmagic(varsv, how);
711 sv_magic(varsv, sv, how, Nullch, 0);
714 SP = PL_stack_base + markoff;
726 if (ckWARN(WARN_UNTIE)) {
729 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
730 mg = mg_find(sv, 'P') ;
732 mg = mg_find(sv, 'q') ;
734 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
736 "untie attempted while %lu inner references still exist",
737 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
741 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
756 if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV)
757 mg = mg_find(sv, 'P') ;
759 mg = mg_find(sv, 'q') ;
762 PUSHs(sv_2mortal(newSVsv(mg->mg_obj))) ;
780 sv = sv_mortalcopy(&PL_sv_no);
781 sv_setpv(sv, "AnyDBM_File");
782 stash = gv_stashsv(sv, FALSE);
783 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
785 perl_require_pv("AnyDBM_File.pm");
787 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
788 DIE("No dbm on this machine");
798 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
800 PUSHs(sv_2mortal(newSViv(O_RDWR)));
803 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
806 if (!sv_isobject(TOPs)) {
811 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
814 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
818 if (sv_isobject(TOPs)) {
819 sv_unmagic((SV *) hv, 'P');
820 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
828 return pp_untie(ARGS);
842 struct timeval timebuf;
843 struct timeval *tbuf = &timebuf;
846 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
851 # if BYTEORDER & 0xf0000
852 # define ORDERBYTE (0x88888888 - BYTEORDER)
854 # define ORDERBYTE (0x4444 - BYTEORDER)
860 for (i = 1; i <= 3; i++) {
868 /* little endians can use vecs directly */
869 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
870 # if SELECT_MIN_BITS > 1
871 growsize = SELECT_MIN_BITS / 8;
873 growsize = sizeof(fd_set);
882 masksize = NFDBITS / NBBY;
884 masksize = sizeof(long); /* documented int, everyone seems to use long */
886 growsize = maxlen + (masksize - (maxlen % masksize));
887 Zero(&fd_sets[0], 4, char*);
895 timebuf.tv_sec = (long)value;
896 value -= (double)timebuf.tv_sec;
897 timebuf.tv_usec = (long)(value * 1000000.0);
900 tbuf = Null(struct timeval*);
902 for (i = 1; i <= 3; i++) {
909 SvPV_force(sv,PL_na); /* force string conversion */
912 Sv_Grow(sv, growsize);
916 while (++j <= growsize) {
920 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
922 New(403, fd_sets[i], growsize, char);
923 for (offset = 0; offset < growsize; offset += masksize) {
924 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
925 fd_sets[i][j+offset] = s[(k % masksize) + offset];
928 fd_sets[i] = SvPVX(sv);
932 nfound = PerlSock_select(
934 (Select_fd_set_t) fd_sets[1],
935 (Select_fd_set_t) fd_sets[2],
936 (Select_fd_set_t) fd_sets[3],
938 for (i = 1; i <= 3; i++) {
941 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
943 for (offset = 0; offset < growsize; offset += masksize) {
944 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
945 s[(k % masksize) + offset] = fd_sets[i][j+offset];
947 Safefree(fd_sets[i]);
954 if (GIMME == G_ARRAY && tbuf) {
955 value = (double)(timebuf.tv_sec) +
956 (double)(timebuf.tv_usec) / 1000000.0;
957 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
962 DIE("select not implemented");
971 (void)SvREFCNT_inc(gv);
973 SvREFCNT_dec(PL_defoutgv);
983 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
985 egv = GvEGV(PL_defoutgv);
990 XPUSHs(&PL_sv_undef);
992 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
993 if (gvp && *gvp == egv) {
994 gv_efullname3(TARG, PL_defoutgv, Nullch);
998 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1003 if (!GvIO(newdefout))
1004 gv_IOadd(newdefout);
1005 setdefout(newdefout);
1024 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1025 I32 gimme = GIMME_V;
1030 perl_call_method("GETC", gimme);
1033 if (gimme == G_SCALAR)
1034 SvSetMagicSV_nosteal(TARG, TOPs);
1037 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1040 sv_setpv(TARG, " ");
1041 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1048 return pp_sysread(ARGS);
1052 doform(CV *cv, GV *gv, OP *retop)
1055 register PERL_CONTEXT *cx;
1056 I32 gimme = GIMME_V;
1057 AV* padlist = CvPADLIST(cv);
1058 SV** svp = AvARRAY(padlist);
1064 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1066 SAVESPTR(PL_curpad);
1067 PL_curpad = AvARRAY((AV*)svp[1]);
1069 setdefout(gv); /* locally select filehandle so $% et al work */
1101 SV *tmpsv = sv_newmortal();
1102 gv_efullname3(tmpsv, fgv, Nullch);
1103 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
1105 DIE("Not a format reference");
1108 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1110 IoFLAGS(io) &= ~IOf_DIDTOP;
1111 return doform(cv,gv,PL_op->op_next);
1117 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1118 register IO *io = GvIOp(gv);
1119 PerlIO *ofp = IoOFP(io);
1123 register PERL_CONTEXT *cx;
1125 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1126 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1127 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1128 PL_formtarget != PL_toptarget)
1132 if (!IoTOP_GV(io)) {
1136 if (!IoTOP_NAME(io)) {
1137 if (!IoFMT_NAME(io))
1138 IoFMT_NAME(io) = savepv(GvNAME(gv));
1139 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1140 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1141 if ((topgv && GvFORM(topgv)) ||
1142 !gv_fetchpv("top",FALSE,SVt_PVFM))
1143 IoTOP_NAME(io) = savepv(SvPVX(topname));
1145 IoTOP_NAME(io) = savepv("top");
1147 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1148 if (!topgv || !GvFORM(topgv)) {
1149 IoLINES_LEFT(io) = 100000000;
1152 IoTOP_GV(io) = topgv;
1154 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1155 I32 lines = IoLINES_LEFT(io);
1156 char *s = SvPVX(PL_formtarget);
1157 if (lines <= 0) /* Yow, header didn't even fit!!! */
1159 while (lines-- > 0) {
1160 s = strchr(s, '\n');
1166 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1167 sv_chop(PL_formtarget, s);
1168 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1171 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1172 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1173 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1175 PL_formtarget = PL_toptarget;
1176 IoFLAGS(io) |= IOf_DIDTOP;
1179 DIE("bad top format reference");
1182 SV *tmpsv = sv_newmortal();
1183 gv_efullname3(tmpsv, fgv, Nullch);
1184 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1187 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1188 return doform(cv,gv,PL_op);
1192 POPBLOCK(cx,PL_curpm);
1198 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1200 warner(WARN_IO, "Filehandle only opened for input");
1201 else if (ckWARN(WARN_CLOSED))
1202 warner(WARN_CLOSED, "Write on closed filehandle");
1207 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1208 if (ckWARN(WARN_IO))
1209 warner(WARN_IO, "page overflow");
1211 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1215 FmLINES(PL_formtarget) = 0;
1216 SvCUR_set(PL_formtarget, 0);
1217 *SvEND(PL_formtarget) = '\0';
1218 if (IoFLAGS(io) & IOf_FLUSH)
1219 (void)PerlIO_flush(fp);
1223 PL_formtarget = PL_bodytarget;
1225 return pop_return();
1230 djSP; dMARK; dORIGMARK;
1237 if (PL_op->op_flags & OPf_STACKED)
1242 if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
1243 if (MARK == ORIGMARK) {
1246 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1253 perl_call_method("PRINTF", G_SCALAR);
1256 MARK = ORIGMARK + 1;
1263 if (!(io = GvIO(gv))) {
1264 if (ckWARN(WARN_UNOPENED)) {
1265 gv_fullname3(sv, gv, Nullch);
1266 warner(WARN_UNOPENED, "Filehandle %s never opened", SvPV(sv,PL_na));
1268 SETERRNO(EBADF,RMS$_IFI);
1271 else if (!(fp = IoOFP(io))) {
1272 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1273 gv_fullname3(sv, gv, Nullch);
1275 warner(WARN_IO, "Filehandle %s opened only for input",
1277 else if (ckWARN(WARN_CLOSED))
1278 warner(WARN_CLOSED, "printf on closed filehandle %s",
1281 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1285 #ifdef USE_LOCALE_NUMERIC
1286 if (PL_op->op_private & OPpLOCALE)
1287 SET_NUMERIC_LOCAL();
1289 SET_NUMERIC_STANDARD();
1291 do_sprintf(sv, SP - MARK, MARK + 1);
1292 if (!do_print(sv, fp))
1295 if (IoFLAGS(io) & IOf_FLUSH)
1296 if (PerlIO_flush(fp) == EOF)
1307 PUSHs(&PL_sv_undef);
1328 tmps = SvPV(sv, len);
1329 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1330 IoLINES(GvIOp(gv)) = 0;
1334 PUSHs(&PL_sv_undef);
1341 djSP; dMARK; dORIGMARK; dTARGET;
1347 Sock_size_t bufsize;
1353 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1354 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1361 perl_call_method("READ", G_SCALAR);
1374 sv_setpvn(bufsv, "", 0);
1375 buffer = SvPV_force(bufsv, blen);
1376 length = SvIVx(*++MARK);
1378 DIE("Negative length");
1381 offset = SvIVx(*++MARK);
1385 if (!io || !IoIFP(io))
1388 if (PL_op->op_type == OP_RECV) {
1389 char namebuf[MAXPATHLEN];
1390 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1391 bufsize = sizeof (struct sockaddr_in);
1393 bufsize = sizeof namebuf;
1395 buffer = SvGROW(bufsv, length+1);
1396 /* 'offset' means 'flags' here */
1397 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1398 (struct sockaddr *)namebuf, &bufsize);
1401 SvCUR_set(bufsv, length);
1402 *SvEND(bufsv) = '\0';
1403 (void)SvPOK_only(bufsv);
1405 /* This should not be marked tainted if the fp is marked clean */
1406 if (!(IoFLAGS(io) & IOf_UNTAINT))
1407 SvTAINTED_on(bufsv);
1409 sv_setpvn(TARG, namebuf, bufsize);
1414 if (PL_op->op_type == OP_RECV)
1415 DIE(no_sock_func, "recv");
1419 DIE("Offset outside string");
1422 bufsize = SvCUR(bufsv);
1423 buffer = SvGROW(bufsv, length+offset+1);
1424 if (offset > bufsize) { /* Zero any newly allocated space */
1425 Zero(buffer+bufsize, offset-bufsize, char);
1427 if (PL_op->op_type == OP_SYSREAD) {
1428 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1431 #ifdef HAS_SOCKET__bad_code_maybe
1432 if (IoTYPE(io) == 's') {
1433 char namebuf[MAXPATHLEN];
1434 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1435 bufsize = sizeof (struct sockaddr_in);
1437 bufsize = sizeof namebuf;
1439 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1440 (struct sockaddr *)namebuf, &bufsize);
1445 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1446 /* fread() returns 0 on both error and EOF */
1447 if (length == 0 && PerlIO_error(IoIFP(io)))
1452 SvCUR_set(bufsv, length+offset);
1453 *SvEND(bufsv) = '\0';
1454 (void)SvPOK_only(bufsv);
1456 /* This should not be marked tainted if the fp is marked clean */
1457 if (!(IoFLAGS(io) & IOf_UNTAINT))
1458 SvTAINTED_on(bufsv);
1470 return pp_send(ARGS);
1475 djSP; dMARK; dORIGMARK; dTARGET;
1486 if (PL_op->op_type == OP_SYSWRITE &&
1487 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1494 perl_call_method("WRITE", G_SCALAR);
1505 buffer = SvPV(bufsv, blen);
1506 length = SvIVx(*++MARK);
1508 DIE("Negative length");
1511 if (!io || !IoIFP(io)) {
1513 if (ckWARN(WARN_CLOSED)) {
1514 if (PL_op->op_type == OP_SYSWRITE)
1515 warner(WARN_CLOSED, "Syswrite on closed filehandle");
1517 warner(WARN_CLOSED, "Send on closed socket");
1520 else if (PL_op->op_type == OP_SYSWRITE) {
1522 offset = SvIVx(*++MARK);
1525 DIE("Offset outside string");
1527 } else if (offset >= blen && blen > 0)
1528 DIE("Offset outside string");
1531 if (length > blen - offset)
1532 length = blen - offset;
1533 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1536 else if (SP > MARK) {
1539 sockbuf = SvPVx(*++MARK, mlen);
1540 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1541 (struct sockaddr *)sockbuf, mlen);
1544 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1548 DIE(no_sock_func, "send");
1563 return pp_sysread(ARGS);
1574 gv = PL_last_in_gv = (GV*)POPs;
1575 PUSHs(boolSV(!gv || do_eof(gv)));
1587 gv = PL_last_in_gv = (GV*)POPs;
1588 PUSHi( do_tell(gv) );
1594 return pp_sysseek(ARGS);
1604 gv = PL_last_in_gv = (GV*)POPs;
1605 if (PL_op->op_type == OP_SEEK)
1606 PUSHs(boolSV(do_seek(gv, offset, whence)));
1608 long n = do_sysseek(gv, offset, whence);
1609 PUSHs((n < 0) ? &PL_sv_undef
1610 : sv_2mortal(n ? newSViv((IV)n)
1611 : newSVpv(zero_but_true, ZBTLEN)));
1619 Off_t len = (Off_t)POPn;
1624 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1625 if (PL_op->op_flags & OPf_SPECIAL) {
1626 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1628 TAINT_PROPER("truncate");
1629 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1631 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1633 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1641 if (SvTYPE(sv) == SVt_PVGV) {
1642 tmpgv = (GV*)sv; /* *main::FRED for example */
1645 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1646 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1650 name = SvPV(sv, PL_na);
1651 TAINT_PROPER("truncate");
1653 if (truncate(name, len) < 0)
1658 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1661 if (my_chsize(tmpfd, len) < 0)
1663 PerlLIO_close(tmpfd);
1672 SETERRNO(EBADF,RMS$_IFI);
1675 DIE("truncate not implemented");
1681 return pp_ioctl(ARGS);
1688 unsigned int func = U_I(POPn);
1689 int optype = PL_op->op_type;
1695 if (!io || !argsv || !IoIFP(io)) {
1696 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1700 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1703 s = SvPV_force(argsv, len);
1704 need = IOCPARM_LEN(func);
1706 s = Sv_Grow(argsv, need + 1);
1707 SvCUR_set(argsv, need);
1710 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1713 retval = SvIV(argsv);
1714 s = (char*)retval; /* ouch */
1717 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1719 if (optype == OP_IOCTL)
1721 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1723 DIE("ioctl is not implemented");
1727 #if defined(OS2) && defined(__EMX__)
1728 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1730 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1733 DIE("fcntl is not implemented");
1737 if (s[SvCUR(argsv)] != 17)
1738 DIE("Possible memory corruption: %s overflowed 3rd argument",
1740 s[SvCUR(argsv)] = 0; /* put our null back */
1741 SvSETMAGIC(argsv); /* Assume it has changed */
1750 PUSHp(zero_but_true, ZBTLEN);
1770 fp = IoIFP(GvIOp(gv));
1774 (void)PerlIO_flush(fp);
1775 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1782 DIE(no_func, "flock()");
1794 int protocol = POPi;
1802 SETERRNO(EBADF,LIB$_INVARG);
1808 do_close(gv, FALSE);
1810 TAINT_PROPER("socket");
1811 fd = PerlSock_socket(domain, type, protocol);
1814 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1815 IoOFP(io) = PerlIO_fdopen(fd, "w");
1817 if (!IoIFP(io) || !IoOFP(io)) {
1818 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1819 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1820 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1826 DIE(no_sock_func, "socket");
1833 #ifdef HAS_SOCKETPAIR
1838 int protocol = POPi;
1851 do_close(gv1, FALSE);
1853 do_close(gv2, FALSE);
1855 TAINT_PROPER("socketpair");
1856 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1858 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1859 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1861 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1862 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1864 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1865 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1866 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1867 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1868 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1869 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1870 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1876 DIE(no_sock_func, "socketpair");
1884 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
1885 extern GETPRIVMODE();
1886 extern GETUSERMODE();
1891 register IO *io = GvIOn(gv);
1895 int mpeprivmode = 0;
1898 if (!io || !IoIFP(io))
1901 addr = SvPV(addrsv, len);
1902 TAINT_PROPER("bind");
1903 #ifdef MPE /* Deal with MPE bind() peculiarities */
1904 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
1905 /* The address *MUST* stupidly be zero. */
1906 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
1907 /* PRIV mode is required to bind() to ports < 1024. */
1908 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
1909 ((struct sockaddr_in *)addr)->sin_port > 0) {
1910 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
1915 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
1916 (struct sockaddr *)addr, len) >= 0)
1919 #ifdef MPE /* Switch back to USER mode */
1930 if (ckWARN(WARN_CLOSED))
1931 warner(WARN_CLOSED, "bind() on closed fd");
1932 SETERRNO(EBADF,SS$_IVCHAN);
1935 DIE(no_sock_func, "bind");
1946 register IO *io = GvIOn(gv);
1949 if (!io || !IoIFP(io))
1952 addr = SvPV(addrsv, len);
1953 TAINT_PROPER("connect");
1954 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1960 if (ckWARN(WARN_CLOSED))
1961 warner(WARN_CLOSED, "connect() on closed fd");
1962 SETERRNO(EBADF,SS$_IVCHAN);
1965 DIE(no_sock_func, "connect");
1975 register IO *io = GvIOn(gv);
1977 if (!io || !IoIFP(io))
1980 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1986 if (ckWARN(WARN_CLOSED))
1987 warner(WARN_CLOSED, "listen() on closed fd");
1988 SETERRNO(EBADF,SS$_IVCHAN);
1991 DIE(no_sock_func, "listen");
2003 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2004 Sock_size_t len = sizeof saddr;
2016 if (!gstio || !IoIFP(gstio))
2021 do_close(ngv, FALSE);
2023 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2026 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2027 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2028 IoTYPE(nstio) = 's';
2029 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2030 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2031 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2032 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2036 PUSHp((char *)&saddr, len);
2040 if (ckWARN(WARN_CLOSED))
2041 warner(WARN_CLOSED, "accept() on closed fd");
2042 SETERRNO(EBADF,SS$_IVCHAN);
2048 DIE(no_sock_func, "accept");
2058 register IO *io = GvIOn(gv);
2060 if (!io || !IoIFP(io))
2063 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2067 if (ckWARN(WARN_CLOSED))
2068 warner(WARN_CLOSED, "shutdown() on closed fd");
2069 SETERRNO(EBADF,SS$_IVCHAN);
2072 DIE(no_sock_func, "shutdown");
2079 return pp_ssockopt(ARGS);
2081 DIE(no_sock_func, "getsockopt");
2089 int optype = PL_op->op_type;
2092 unsigned int optname;
2098 if (optype == OP_GSOCKOPT)
2099 sv = sv_2mortal(NEWSV(22, 257));
2102 optname = (unsigned int) POPi;
2103 lvl = (unsigned int) POPi;
2107 if (!io || !IoIFP(io))
2110 fd = PerlIO_fileno(IoIFP(io));
2114 (void)SvPOK_only(sv);
2118 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2128 buf = SvPV(sv, PL_na);
2132 aint = (int)SvIV(sv);
2136 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2145 if (ckWARN(WARN_CLOSED))
2146 warner(WARN_CLOSED, "[gs]etsockopt() on closed fd");
2147 SETERRNO(EBADF,SS$_IVCHAN);
2152 DIE(no_sock_func, "setsockopt");
2159 return pp_getpeername(ARGS);
2161 DIE(no_sock_func, "getsockname");
2169 int optype = PL_op->op_type;
2173 register IO *io = GvIOn(gv);
2176 if (!io || !IoIFP(io))
2179 sv = sv_2mortal(NEWSV(22, 257));
2180 (void)SvPOK_only(sv);
2184 fd = PerlIO_fileno(IoIFP(io));
2186 case OP_GETSOCKNAME:
2187 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2190 case OP_GETPEERNAME:
2191 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2193 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2195 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2196 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2197 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2198 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2199 sizeof(u_short) + sizeof(struct in_addr))) {
2206 #ifdef BOGUS_GETNAME_RETURN
2207 /* Interactive Unix, getpeername() and getsockname()
2208 does not return valid namelen */
2209 if (len == BOGUS_GETNAME_RETURN)
2210 len = sizeof(struct sockaddr);
2218 if (ckWARN(WARN_CLOSED))
2219 warner(WARN_CLOSED, "get{sock, peer}name() on closed fd");
2220 SETERRNO(EBADF,SS$_IVCHAN);
2225 DIE(no_sock_func, "getpeername");
2233 return pp_stat(ARGS);
2243 if (PL_op->op_flags & OPf_REF) {
2244 tmpgv = cGVOP->op_gv;
2246 if (tmpgv != PL_defgv) {
2247 PL_laststype = OP_STAT;
2249 sv_setpv(PL_statname, "");
2250 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2251 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2253 if (PL_laststatval < 0)
2258 if (SvTYPE(sv) == SVt_PVGV) {
2262 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2263 tmpgv = (GV*)SvRV(sv);
2266 sv_setpv(PL_statname, SvPV(sv,PL_na));
2269 PL_laststype = PL_op->op_type;
2270 if (PL_op->op_type == OP_LSTAT)
2271 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, PL_na), &PL_statcache);
2274 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, PL_na), &PL_statcache);
2275 if (PL_laststatval < 0) {
2276 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, PL_na), '\n'))
2277 warner(WARN_NEWLINE, warn_nl, "stat");
2283 if (gimme != G_ARRAY) {
2284 if (gimme != G_VOID)
2285 XPUSHs(boolSV(max));
2291 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2292 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2293 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2294 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2295 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2296 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2297 #ifdef USE_STAT_RDEV
2298 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2300 PUSHs(sv_2mortal(newSVpv("", 0)));
2302 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2304 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2305 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2306 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2308 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2309 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2310 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2312 #ifdef USE_STAT_BLOCKS
2313 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2314 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2316 PUSHs(sv_2mortal(newSVpv("", 0)));
2317 PUSHs(sv_2mortal(newSVpv("", 0)));
2327 #if defined(HAS_ACCESS) && defined(R_OK)
2328 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2329 result = access(TOPp, R_OK);
2336 result = my_stat(ARGS);
2338 result = my_stat(ARGS);
2342 if (cando(S_IRUSR, 0, &PL_statcache))
2351 #if defined(HAS_ACCESS) && defined(W_OK)
2352 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2353 result = access(TOPp, W_OK);
2360 result = my_stat(ARGS);
2362 result = my_stat(ARGS);
2366 if (cando(S_IWUSR, 0, &PL_statcache))
2375 #if defined(HAS_ACCESS) && defined(X_OK)
2376 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2377 result = access(TOPp, X_OK);
2384 result = my_stat(ARGS);
2386 result = my_stat(ARGS);
2390 if (cando(S_IXUSR, 0, &PL_statcache))
2399 #ifdef PERL_EFF_ACCESS_R_OK
2400 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2401 result = PERL_EFF_ACCESS_R_OK(TOPp);
2408 result = my_stat(ARGS);
2410 result = my_stat(ARGS);
2414 if (cando(S_IRUSR, 1, &PL_statcache))
2423 #ifdef PERL_EFF_ACCESS_W_OK
2424 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2425 result = PERL_EFF_ACCESS_W_OK(TOPp);
2432 result = my_stat(ARGS);
2434 result = my_stat(ARGS);
2438 if (cando(S_IWUSR, 1, &PL_statcache))
2447 #ifdef PERL_EFF_ACCESS_X_OK
2448 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2449 result = PERL_EFF_ACCESS_X_OK(TOPp);
2456 result = my_stat(ARGS);
2458 result = my_stat(ARGS);
2462 if (cando(S_IXUSR, 1, &PL_statcache))
2469 I32 result = my_stat(ARGS);
2478 return pp_ftrowned(ARGS);
2483 I32 result = my_stat(ARGS);
2487 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2494 I32 result = my_stat(ARGS);
2498 if (!PL_statcache.st_size)
2505 I32 result = my_stat(ARGS);
2509 PUSHi(PL_statcache.st_size);
2515 I32 result = my_stat(ARGS);
2519 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2525 I32 result = my_stat(ARGS);
2529 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2535 I32 result = my_stat(ARGS);
2539 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2545 I32 result = my_stat(ARGS);
2549 if (S_ISSOCK(PL_statcache.st_mode))
2556 I32 result = my_stat(ARGS);
2560 if (S_ISCHR(PL_statcache.st_mode))
2567 I32 result = my_stat(ARGS);
2571 if (S_ISBLK(PL_statcache.st_mode))
2578 I32 result = my_stat(ARGS);
2582 if (S_ISREG(PL_statcache.st_mode))
2589 I32 result = my_stat(ARGS);
2593 if (S_ISDIR(PL_statcache.st_mode))
2600 I32 result = my_stat(ARGS);
2604 if (S_ISFIFO(PL_statcache.st_mode))
2611 I32 result = my_lstat(ARGS);
2615 if (S_ISLNK(PL_statcache.st_mode))
2624 I32 result = my_stat(ARGS);
2628 if (PL_statcache.st_mode & S_ISUID)
2638 I32 result = my_stat(ARGS);
2642 if (PL_statcache.st_mode & S_ISGID)
2652 I32 result = my_stat(ARGS);
2656 if (PL_statcache.st_mode & S_ISVTX)
2667 char *tmps = Nullch;
2669 if (PL_op->op_flags & OPf_REF)
2671 else if (isGV(TOPs))
2673 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2674 gv = (GV*)SvRV(POPs);
2676 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2678 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2679 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2680 else if (tmps && isDIGIT(*tmps))
2684 if (PerlLIO_isatty(fd))
2689 #if defined(atarist) /* this will work with atariST. Configure will
2690 make guesses for other systems. */
2691 # define FILE_base(f) ((f)->_base)
2692 # define FILE_ptr(f) ((f)->_ptr)
2693 # define FILE_cnt(f) ((f)->_cnt)
2694 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2704 register STDCHAR *s;
2709 if (PL_op->op_flags & OPf_REF)
2711 else if (isGV(TOPs))
2713 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2714 gv = (GV*)SvRV(POPs);
2720 if (gv == PL_defgv) {
2722 io = GvIO(PL_statgv);
2725 goto really_filename;
2730 PL_laststatval = -1;
2731 sv_setpv(PL_statname, "");
2732 io = GvIO(PL_statgv);
2734 if (io && IoIFP(io)) {
2735 if (! PerlIO_has_base(IoIFP(io)))
2736 DIE("-T and -B not implemented on filehandles");
2737 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2738 if (PL_laststatval < 0)
2740 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2741 if (PL_op->op_type == OP_FTTEXT)
2745 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2746 i = PerlIO_getc(IoIFP(io));
2748 (void)PerlIO_ungetc(IoIFP(io),i);
2750 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2752 len = PerlIO_get_bufsiz(IoIFP(io));
2753 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2754 /* sfio can have large buffers - limit to 512 */
2759 if (ckWARN(WARN_UNOPENED))
2760 warner(WARN_UNOPENED, "Test on unopened file <%s>",
2761 GvENAME(cGVOP->op_gv));
2762 SETERRNO(EBADF,RMS$_IFI);
2770 PL_laststatval = -1;
2771 sv_setpv(PL_statname, SvPV(sv, PL_na));
2773 i = PerlLIO_open3(SvPV(sv, PL_na), O_RDONLY, 0);
2775 i = PerlLIO_open(SvPV(sv, PL_na), 0);
2778 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, PL_na), '\n'))
2779 warner(WARN_NEWLINE, warn_nl, "open");
2782 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2783 if (PL_laststatval < 0)
2785 len = PerlLIO_read(i, tbuf, 512);
2786 (void)PerlLIO_close(i);
2788 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2789 RETPUSHNO; /* special case NFS directories */
2790 RETPUSHYES; /* null file is anything */
2795 /* now scan s to look for textiness */
2796 /* XXX ASCII dependent code */
2798 for (i = 0; i < len; i++, s++) {
2799 if (!*s) { /* null never allowed in text */
2804 else if (!(isPRINT(*s) || isSPACE(*s)))
2810 *s != '\n' && *s != '\r' && *s != '\b' &&
2811 *s != '\t' && *s != '\f' && *s != 27)
2816 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2824 return pp_fttext(ARGS);
2839 if (!tmps || !*tmps) {
2840 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
2842 tmps = SvPV(*svp, PL_na);
2844 if (!tmps || !*tmps) {
2845 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
2847 tmps = SvPV(*svp, PL_na);
2850 if (!tmps || !*tmps) {
2851 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
2853 tmps = SvPV(*svp, PL_na);
2856 TAINT_PROPER("chdir");
2857 PUSHi( PerlDir_chdir(tmps) >= 0 );
2859 /* Clear the DEFAULT element of ENV so we'll get the new value
2861 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
2868 djSP; dMARK; dTARGET;
2871 value = (I32)apply(PL_op->op_type, MARK, SP);
2876 DIE(no_func, "Unsupported function chown");
2886 TAINT_PROPER("chroot");
2887 PUSHi( chroot(tmps) >= 0 );
2890 DIE(no_func, "chroot");
2896 djSP; dMARK; dTARGET;
2898 value = (I32)apply(PL_op->op_type, MARK, SP);
2906 djSP; dMARK; dTARGET;
2908 value = (I32)apply(PL_op->op_type, MARK, SP);
2916 djSP; dMARK; dTARGET;
2918 value = (I32)apply(PL_op->op_type, MARK, SP);
2930 char *tmps = SvPV(TOPs, PL_na);
2931 TAINT_PROPER("rename");
2933 anum = PerlLIO_rename(tmps, tmps2);
2935 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
2936 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2939 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
2940 (void)UNLINK(tmps2);
2941 if (!(anum = link(tmps, tmps2)))
2942 anum = UNLINK(tmps);
2955 char *tmps = SvPV(TOPs, PL_na);
2956 TAINT_PROPER("link");
2957 SETi( link(tmps, tmps2) >= 0 );
2959 DIE(no_func, "Unsupported function link");
2969 char *tmps = SvPV(TOPs, PL_na);
2970 TAINT_PROPER("symlink");
2971 SETi( symlink(tmps, tmps2) >= 0 );
2974 DIE(no_func, "symlink");
2983 char buf[MAXPATHLEN];
2986 #ifndef INCOMPLETE_TAINTS
2990 len = readlink(tmps, buf, sizeof buf);
2998 RETSETUNDEF; /* just pretend it's a normal file */
3002 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3004 dooneliner(cmd, filename)
3008 char *save_filename = filename;
3014 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3015 strcpy(cmdline, cmd);
3016 strcat(cmdline, " ");
3017 for (s = cmdline + strlen(cmdline); *filename; ) {
3022 myfp = PerlProc_popen(cmdline, "r");
3026 SV *tmpsv = sv_newmortal();
3027 /* Need to save/restore 'PL_rs' ?? */
3028 s = sv_gets(tmpsv, myfp, 0);
3029 (void)PerlProc_pclose(myfp);
3033 #ifdef HAS_SYS_ERRLIST
3038 /* you don't see this */
3040 #ifdef HAS_SYS_ERRLIST
3048 if (instr(s, errmsg)) {
3055 #define EACCES EPERM
3057 if (instr(s, "cannot make"))
3058 SETERRNO(EEXIST,RMS$_FEX);
3059 else if (instr(s, "existing file"))
3060 SETERRNO(EEXIST,RMS$_FEX);
3061 else if (instr(s, "ile exists"))
3062 SETERRNO(EEXIST,RMS$_FEX);
3063 else if (instr(s, "non-exist"))
3064 SETERRNO(ENOENT,RMS$_FNF);
3065 else if (instr(s, "does not exist"))
3066 SETERRNO(ENOENT,RMS$_FNF);
3067 else if (instr(s, "not empty"))
3068 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3069 else if (instr(s, "cannot access"))
3070 SETERRNO(EACCES,RMS$_PRV);
3072 SETERRNO(EPERM,RMS$_PRV);
3075 else { /* some mkdirs return no failure indication */
3076 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3077 if (PL_op->op_type == OP_RMDIR)
3082 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3098 char *tmps = SvPV(TOPs, PL_na);
3100 TAINT_PROPER("mkdir");
3102 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3104 SETi( dooneliner("mkdir", tmps) );
3105 oldumask = PerlLIO_umask(0);
3106 PerlLIO_umask(oldumask);
3107 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3118 TAINT_PROPER("rmdir");
3120 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3122 XPUSHi( dooneliner("rmdir", tmps) );
3127 /* Directory calls. */
3132 #if defined(Direntry_t) && defined(HAS_READDIR)
3133 char *dirname = POPp;
3135 register IO *io = GvIOn(gv);
3141 PerlDir_close(IoDIRP(io));
3142 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3148 SETERRNO(EBADF,RMS$_DIR);
3151 DIE(no_dir_func, "opendir");
3158 #if defined(Direntry_t) && defined(HAS_READDIR)
3160 Direntry_t *readdir _((DIR *));
3162 register Direntry_t *dp;
3164 register IO *io = GvIOn(gv);
3167 if (!io || !IoDIRP(io))
3170 if (GIMME == G_ARRAY) {
3172 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3174 sv = newSVpv(dp->d_name, dp->d_namlen);
3176 sv = newSVpv(dp->d_name, 0);
3178 #ifndef INCOMPLETE_TAINTS
3181 XPUSHs(sv_2mortal(sv));
3185 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3188 sv = newSVpv(dp->d_name, dp->d_namlen);
3190 sv = newSVpv(dp->d_name, 0);
3192 #ifndef INCOMPLETE_TAINTS
3195 XPUSHs(sv_2mortal(sv));
3201 SETERRNO(EBADF,RMS$_ISI);
3202 if (GIMME == G_ARRAY)
3207 DIE(no_dir_func, "readdir");
3214 #if defined(HAS_TELLDIR) || defined(telldir)
3215 # ifdef NEED_TELLDIR_PROTO /* XXX does _anyone_ need this? --AD 2/20/1998 */
3216 long telldir _((DIR *));
3219 register IO *io = GvIOn(gv);
3221 if (!io || !IoDIRP(io))
3224 PUSHi( PerlDir_tell(IoDIRP(io)) );
3228 SETERRNO(EBADF,RMS$_ISI);
3231 DIE(no_dir_func, "telldir");
3238 #if defined(HAS_SEEKDIR) || defined(seekdir)
3241 register IO *io = GvIOn(gv);
3243 if (!io || !IoDIRP(io))
3246 (void)PerlDir_seek(IoDIRP(io), along);
3251 SETERRNO(EBADF,RMS$_ISI);
3254 DIE(no_dir_func, "seekdir");
3261 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3263 register IO *io = GvIOn(gv);
3265 if (!io || !IoDIRP(io))
3268 (void)PerlDir_rewind(IoDIRP(io));
3272 SETERRNO(EBADF,RMS$_ISI);
3275 DIE(no_dir_func, "rewinddir");
3282 #if defined(Direntry_t) && defined(HAS_READDIR)
3284 register IO *io = GvIOn(gv);
3286 if (!io || !IoDIRP(io))
3289 #ifdef VOID_CLOSEDIR
3290 PerlDir_close(IoDIRP(io));
3292 if (PerlDir_close(IoDIRP(io)) < 0) {
3293 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3302 SETERRNO(EBADF,RMS$_IFI);
3305 DIE(no_dir_func, "closedir");
3309 /* Process control. */
3324 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3325 sv_setiv(GvSV(tmpgv), (IV)getpid());
3326 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3331 DIE(no_func, "Unsupported function fork");
3337 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3342 childpid = wait4pid(-1, &argflags, 0);
3343 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3347 DIE(no_func, "Unsupported function wait");
3353 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3361 childpid = wait4pid(childpid, &argflags, optype);
3362 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3366 DIE(no_func, "Unsupported function waitpid");
3372 djSP; dMARK; dORIGMARK; dTARGET;
3377 Sigsave_t ihand,qhand; /* place to save signals during system() */
3379 if (SP - MARK == 1) {
3381 char *junk = SvPV(TOPs, PL_na);
3383 TAINT_PROPER("system");
3386 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3387 while ((childpid = vfork()) == -1) {
3388 if (errno != EAGAIN) {
3397 rsignal_save(SIGINT, SIG_IGN, &ihand);
3398 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3400 result = wait4pid(childpid, &status, 0);
3401 } while (result == -1 && errno == EINTR);
3402 (void)rsignal_restore(SIGINT, &ihand);
3403 (void)rsignal_restore(SIGQUIT, &qhand);
3404 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3405 do_execfree(); /* free any memory child malloced on vfork */
3407 PUSHi(STATUS_CURRENT);
3410 if (PL_op->op_flags & OPf_STACKED) {
3411 SV *really = *++MARK;
3412 value = (I32)do_aexec(really, MARK, SP);
3414 else if (SP - MARK != 1)
3415 value = (I32)do_aexec(Nullsv, MARK, SP);
3417 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3420 #else /* ! FORK or VMS or OS/2 */
3421 if (PL_op->op_flags & OPf_STACKED) {
3422 SV *really = *++MARK;
3423 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3425 else if (SP - MARK != 1)
3426 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3428 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), PL_na));
3430 STATUS_NATIVE_SET(value);
3433 PUSHi(STATUS_CURRENT);
3434 #endif /* !FORK or VMS */
3440 djSP; dMARK; dORIGMARK; dTARGET;
3443 if (PL_op->op_flags & OPf_STACKED) {
3444 SV *really = *++MARK;
3445 value = (I32)do_aexec(really, MARK, SP);
3447 else if (SP - MARK != 1)
3449 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3451 value = (I32)do_aexec(Nullsv, MARK, SP);
3455 char *junk = SvPV(*SP, PL_na);
3457 TAINT_PROPER("exec");
3460 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3462 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3472 djSP; dMARK; dTARGET;
3475 value = (I32)apply(PL_op->op_type, MARK, SP);
3480 DIE(no_func, "Unsupported function kill");
3488 XPUSHi( getppid() );
3491 DIE(no_func, "getppid");
3507 value = (I32)BSD_GETPGRP(pid);
3509 if (pid != 0 && pid != getpid())
3510 DIE("POSIX getpgrp can't take an argument");
3511 value = (I32)getpgrp();
3516 DIE(no_func, "getpgrp()");
3535 TAINT_PROPER("setpgrp");
3537 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3539 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3540 DIE("POSIX setpgrp can't take an argument");
3541 SETi( setpgrp() >= 0 );
3542 #endif /* USE_BSDPGRP */
3545 DIE(no_func, "setpgrp()");
3554 #ifdef HAS_GETPRIORITY
3557 SETi( getpriority(which, who) );
3560 DIE(no_func, "getpriority()");
3570 #ifdef HAS_SETPRIORITY
3574 TAINT_PROPER("setpriority");
3575 SETi( setpriority(which, who, niceval) >= 0 );
3578 DIE(no_func, "setpriority()");
3588 XPUSHn( time(Null(Time_t*)) );
3590 XPUSHi( time(Null(Time_t*)) );
3595 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3596 to HZ. Probably. For now, assume that if the system
3597 defines HZ, it does so correctly. (Will this break
3599 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3600 it's supported. --AD 9/96.
3616 DIE("times not implemented");
3621 (void)PerlProc_times(&PL_timesbuf);
3623 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3624 /* struct tms, though same data */
3628 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_utime)/HZ)));
3629 if (GIMME == G_ARRAY) {
3630 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_stime)/HZ)));
3631 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cutime)/HZ)));
3632 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cstime)/HZ)));
3635 #endif /* HAS_TIMES */
3640 return pp_gmtime(ARGS);
3648 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3649 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3650 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3656 when = (Time_t)SvNVx(POPs);
3658 when = (Time_t)SvIVx(POPs);
3661 if (PL_op->op_type == OP_LOCALTIME)
3662 tmbuf = localtime(&when);
3664 tmbuf = gmtime(&when);
3668 if (GIMME != G_ARRAY) {
3673 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3674 dayname[tmbuf->tm_wday],
3675 monname[tmbuf->tm_mon],
3680 tmbuf->tm_year + 1900);
3681 PUSHs(sv_2mortal(tsv));
3684 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3685 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3686 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3687 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3688 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3689 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3690 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3691 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3692 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3703 anum = alarm((unsigned int)anum);
3710 DIE(no_func, "Unsupported function alarm");
3721 (void)time(&lasttime);
3726 PerlProc_sleep((unsigned int)duration);
3729 XPUSHi(when - lasttime);
3733 /* Shared memory. */
3737 return pp_semget(ARGS);
3742 return pp_semctl(ARGS);
3747 return pp_shmwrite(ARGS);
3752 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3753 djSP; dMARK; dTARGET;
3754 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3759 return pp_semget(ARGS);
3763 /* Message passing. */
3767 return pp_semget(ARGS);
3772 return pp_semctl(ARGS);
3777 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3778 djSP; dMARK; dTARGET;
3779 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3784 return pp_semget(ARGS);
3790 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3791 djSP; dMARK; dTARGET;
3792 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3797 return pp_semget(ARGS);
3805 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3806 djSP; dMARK; dTARGET;
3807 int anum = do_ipcget(PL_op->op_type, MARK, SP);
3814 DIE("System V IPC is not implemented on this machine");
3820 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3821 djSP; dMARK; dTARGET;
3822 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
3830 PUSHp(zero_but_true, ZBTLEN);
3834 return pp_semget(ARGS);
3840 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3841 djSP; dMARK; dTARGET;
3842 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3847 return pp_semget(ARGS);
3851 /* Get system info. */
3855 #ifdef HAS_GETHOSTBYNAME
3856 return pp_ghostent(ARGS);
3858 DIE(no_sock_func, "gethostbyname");
3864 #ifdef HAS_GETHOSTBYADDR
3865 return pp_ghostent(ARGS);
3867 DIE(no_sock_func, "gethostbyaddr");
3874 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
3875 I32 which = PL_op->op_type;
3876 register char **elem;
3878 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
3879 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
3880 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
3881 struct hostent *PerlSock_gethostent(void);
3883 struct hostent *hent;
3887 if (which == OP_GHBYNAME)
3888 #ifdef HAS_GETHOSTBYNAME
3889 hent = PerlSock_gethostbyname(POPp);
3891 DIE(no_sock_func, "gethostbyname");
3893 else if (which == OP_GHBYADDR) {
3894 #ifdef HAS_GETHOSTBYADDR
3895 int addrtype = POPi;
3898 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
3900 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
3902 DIE(no_sock_func, "gethostbyaddr");
3906 #ifdef HAS_GETHOSTENT
3907 hent = PerlSock_gethostent();
3909 DIE(no_sock_func, "gethostent");
3912 #ifdef HOST_NOT_FOUND
3914 STATUS_NATIVE_SET(h_errno);
3917 if (GIMME != G_ARRAY) {
3918 PUSHs(sv = sv_newmortal());
3920 if (which == OP_GHBYNAME) {
3922 sv_setpvn(sv, hent->h_addr, hent->h_length);
3925 sv_setpv(sv, (char*)hent->h_name);
3931 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3932 sv_setpv(sv, (char*)hent->h_name);
3933 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3934 for (elem = hent->h_aliases; elem && *elem; elem++) {
3935 sv_catpv(sv, *elem);
3937 sv_catpvn(sv, " ", 1);
3939 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3940 sv_setiv(sv, (IV)hent->h_addrtype);
3941 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3942 len = hent->h_length;
3943 sv_setiv(sv, (IV)len);
3945 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3946 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
3947 sv_setpvn(sv, *elem, len);
3950 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3952 sv_setpvn(sv, hent->h_addr, len);
3957 DIE(no_sock_func, "gethostent");
3963 #ifdef HAS_GETNETBYNAME
3964 return pp_gnetent(ARGS);
3966 DIE(no_sock_func, "getnetbyname");
3972 #ifdef HAS_GETNETBYADDR
3973 return pp_gnetent(ARGS);
3975 DIE(no_sock_func, "getnetbyaddr");
3982 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
3983 I32 which = PL_op->op_type;
3984 register char **elem;
3986 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
3987 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
3988 struct netent *PerlSock_getnetbyname(Netdb_name_t);
3989 struct netent *PerlSock_getnetent(void);
3991 struct netent *nent;
3993 if (which == OP_GNBYNAME)
3994 #ifdef HAS_GETNETBYNAME
3995 nent = PerlSock_getnetbyname(POPp);
3997 DIE(no_sock_func, "getnetbyname");
3999 else if (which == OP_GNBYADDR) {
4000 #ifdef HAS_GETNETBYADDR
4001 int addrtype = POPi;
4002 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4003 nent = PerlSock_getnetbyaddr(addr, addrtype);
4005 DIE(no_sock_func, "getnetbyaddr");
4009 #ifdef HAS_GETNETENT
4010 nent = PerlSock_getnetent();
4012 DIE(no_sock_func, "getnetent");
4016 if (GIMME != G_ARRAY) {
4017 PUSHs(sv = sv_newmortal());
4019 if (which == OP_GNBYNAME)
4020 sv_setiv(sv, (IV)nent->n_net);
4022 sv_setpv(sv, nent->n_name);
4028 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4029 sv_setpv(sv, nent->n_name);
4030 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4031 for (elem = nent->n_aliases; elem && *elem; elem++) {
4032 sv_catpv(sv, *elem);
4034 sv_catpvn(sv, " ", 1);
4036 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4037 sv_setiv(sv, (IV)nent->n_addrtype);
4038 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4039 sv_setiv(sv, (IV)nent->n_net);
4044 DIE(no_sock_func, "getnetent");
4050 #ifdef HAS_GETPROTOBYNAME
4051 return pp_gprotoent(ARGS);
4053 DIE(no_sock_func, "getprotobyname");
4059 #ifdef HAS_GETPROTOBYNUMBER
4060 return pp_gprotoent(ARGS);
4062 DIE(no_sock_func, "getprotobynumber");
4069 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4070 I32 which = PL_op->op_type;
4071 register char **elem;
4073 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4074 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4075 struct protoent *PerlSock_getprotobynumber(int);
4076 struct protoent *PerlSock_getprotoent(void);
4078 struct protoent *pent;
4080 if (which == OP_GPBYNAME)
4081 #ifdef HAS_GETPROTOBYNAME
4082 pent = PerlSock_getprotobyname(POPp);
4084 DIE(no_sock_func, "getprotobyname");
4086 else if (which == OP_GPBYNUMBER)
4087 #ifdef HAS_GETPROTOBYNUMBER
4088 pent = PerlSock_getprotobynumber(POPi);
4090 DIE(no_sock_func, "getprotobynumber");
4093 #ifdef HAS_GETPROTOENT
4094 pent = PerlSock_getprotoent();
4096 DIE(no_sock_func, "getprotoent");
4100 if (GIMME != G_ARRAY) {
4101 PUSHs(sv = sv_newmortal());
4103 if (which == OP_GPBYNAME)
4104 sv_setiv(sv, (IV)pent->p_proto);
4106 sv_setpv(sv, pent->p_name);
4112 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4113 sv_setpv(sv, pent->p_name);
4114 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4115 for (elem = pent->p_aliases; elem && *elem; elem++) {
4116 sv_catpv(sv, *elem);
4118 sv_catpvn(sv, " ", 1);
4120 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4121 sv_setiv(sv, (IV)pent->p_proto);
4126 DIE(no_sock_func, "getprotoent");
4132 #ifdef HAS_GETSERVBYNAME
4133 return pp_gservent(ARGS);
4135 DIE(no_sock_func, "getservbyname");
4141 #ifdef HAS_GETSERVBYPORT
4142 return pp_gservent(ARGS);
4144 DIE(no_sock_func, "getservbyport");
4151 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4152 I32 which = PL_op->op_type;
4153 register char **elem;
4155 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4156 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4157 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4158 struct servent *PerlSock_getservent(void);
4160 struct servent *sent;
4162 if (which == OP_GSBYNAME) {
4163 #ifdef HAS_GETSERVBYNAME
4167 if (proto && !*proto)
4170 sent = PerlSock_getservbyname(name, proto);
4172 DIE(no_sock_func, "getservbyname");
4175 else if (which == OP_GSBYPORT) {
4176 #ifdef HAS_GETSERVBYPORT
4178 unsigned short port = POPu;
4181 port = PerlSock_htons(port);
4183 sent = PerlSock_getservbyport(port, proto);
4185 DIE(no_sock_func, "getservbyport");
4189 #ifdef HAS_GETSERVENT
4190 sent = PerlSock_getservent();
4192 DIE(no_sock_func, "getservent");
4196 if (GIMME != G_ARRAY) {
4197 PUSHs(sv = sv_newmortal());
4199 if (which == OP_GSBYNAME) {
4201 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4203 sv_setiv(sv, (IV)(sent->s_port));
4207 sv_setpv(sv, sent->s_name);
4213 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4214 sv_setpv(sv, sent->s_name);
4215 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4216 for (elem = sent->s_aliases; elem && *elem; elem++) {
4217 sv_catpv(sv, *elem);
4219 sv_catpvn(sv, " ", 1);
4221 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4223 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4225 sv_setiv(sv, (IV)(sent->s_port));
4227 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4228 sv_setpv(sv, sent->s_proto);
4233 DIE(no_sock_func, "getservent");
4240 #ifdef HAS_SETHOSTENT
4241 PerlSock_sethostent(TOPi);
4244 DIE(no_sock_func, "sethostent");
4251 #ifdef HAS_SETNETENT
4252 PerlSock_setnetent(TOPi);
4255 DIE(no_sock_func, "setnetent");
4262 #ifdef HAS_SETPROTOENT
4263 PerlSock_setprotoent(TOPi);
4266 DIE(no_sock_func, "setprotoent");
4273 #ifdef HAS_SETSERVENT
4274 PerlSock_setservent(TOPi);
4277 DIE(no_sock_func, "setservent");
4284 #ifdef HAS_ENDHOSTENT
4285 PerlSock_endhostent();
4289 DIE(no_sock_func, "endhostent");
4296 #ifdef HAS_ENDNETENT
4297 PerlSock_endnetent();
4301 DIE(no_sock_func, "endnetent");
4308 #ifdef HAS_ENDPROTOENT
4309 PerlSock_endprotoent();
4313 DIE(no_sock_func, "endprotoent");
4320 #ifdef HAS_ENDSERVENT
4321 PerlSock_endservent();
4325 DIE(no_sock_func, "endservent");
4332 return pp_gpwent(ARGS);
4334 DIE(no_func, "getpwnam");
4341 return pp_gpwent(ARGS);
4343 DIE(no_func, "getpwuid");
4350 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4351 I32 which = PL_op->op_type;
4353 struct passwd *pwent;
4355 if (which == OP_GPWNAM)
4356 pwent = getpwnam(POPp);
4357 else if (which == OP_GPWUID)
4358 pwent = getpwuid(POPi);
4360 pwent = (struct passwd *)getpwent();
4363 if (GIMME != G_ARRAY) {
4364 PUSHs(sv = sv_newmortal());
4366 if (which == OP_GPWNAM)
4367 sv_setiv(sv, (IV)pwent->pw_uid);
4369 sv_setpv(sv, pwent->pw_name);
4375 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4376 sv_setpv(sv, pwent->pw_name);
4378 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4380 sv_setpv(sv, pwent->pw_passwd);
4383 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4384 sv_setiv(sv, (IV)pwent->pw_uid);
4386 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4387 sv_setiv(sv, (IV)pwent->pw_gid);
4389 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4390 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4392 sv_setiv(sv, (IV)pwent->pw_change);
4395 sv_setiv(sv, (IV)pwent->pw_quota);
4398 sv_setpv(sv, pwent->pw_age);
4403 /* pw_class and pw_comment are mutually exclusive. */
4404 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4406 sv_setpv(sv, pwent->pw_class);
4409 sv_setpv(sv, pwent->pw_comment);
4413 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4415 sv_setpv(sv, pwent->pw_gecos);
4417 #ifndef INCOMPLETE_TAINTS
4418 /* pw_gecos is tainted because user himself can diddle with it. */
4422 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4423 sv_setpv(sv, pwent->pw_dir);
4425 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4426 sv_setpv(sv, pwent->pw_shell);
4429 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4430 sv_setiv(sv, (IV)pwent->pw_expire);
4435 DIE(no_func, "getpwent");
4442 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4446 DIE(no_func, "setpwent");
4453 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4457 DIE(no_func, "endpwent");
4464 return pp_ggrent(ARGS);
4466 DIE(no_func, "getgrnam");
4473 return pp_ggrent(ARGS);
4475 DIE(no_func, "getgrgid");
4482 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4483 I32 which = PL_op->op_type;
4484 register char **elem;
4486 struct group *grent;
4488 if (which == OP_GGRNAM)
4489 grent = (struct group *)getgrnam(POPp);
4490 else if (which == OP_GGRGID)
4491 grent = (struct group *)getgrgid(POPi);
4493 grent = (struct group *)getgrent();
4496 if (GIMME != G_ARRAY) {
4497 PUSHs(sv = sv_newmortal());
4499 if (which == OP_GGRNAM)
4500 sv_setiv(sv, (IV)grent->gr_gid);
4502 sv_setpv(sv, grent->gr_name);
4508 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4509 sv_setpv(sv, grent->gr_name);
4511 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4513 sv_setpv(sv, grent->gr_passwd);
4516 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4517 sv_setiv(sv, (IV)grent->gr_gid);
4519 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4520 for (elem = grent->gr_mem; elem && *elem; elem++) {
4521 sv_catpv(sv, *elem);
4523 sv_catpvn(sv, " ", 1);
4529 DIE(no_func, "getgrent");
4536 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4540 DIE(no_func, "setgrent");
4547 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4551 DIE(no_func, "endgrent");
4561 if (!(tmps = PerlProc_getlogin()))
4563 PUSHp(tmps, strlen(tmps));
4566 DIE(no_func, "getlogin");
4570 /* Miscellaneous. */
4575 djSP; dMARK; dORIGMARK; dTARGET;
4576 register I32 items = SP - MARK;
4577 unsigned long a[20];
4583 while (++MARK <= SP) {
4584 if (SvTAINTED(*MARK)) {
4590 TAINT_PROPER("syscall");
4593 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4594 * or where sizeof(long) != sizeof(char*). But such machines will
4595 * not likely have syscall implemented either, so who cares?
4597 while (++MARK <= SP) {
4598 if (SvNIOK(*MARK) || !i)
4599 a[i++] = SvIV(*MARK);
4600 else if (*MARK == &PL_sv_undef)
4603 a[i++] = (unsigned long)SvPV_force(*MARK, PL_na);
4609 DIE("Too many args to syscall");
4611 DIE("Too few args to syscall");
4613 retval = syscall(a[0]);
4616 retval = syscall(a[0],a[1]);
4619 retval = syscall(a[0],a[1],a[2]);
4622 retval = syscall(a[0],a[1],a[2],a[3]);
4625 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4628 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4631 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4634 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4638 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4641 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4644 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4648 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4652 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4656 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4657 a[10],a[11],a[12],a[13]);
4659 #endif /* atarist */
4665 DIE(no_func, "syscall");
4669 #ifdef FCNTL_EMULATE_FLOCK
4671 /* XXX Emulate flock() with fcntl().
4672 What's really needed is a good file locking module.
4676 fcntl_emulate_flock(int fd, int operation)
4680 switch (operation & ~LOCK_NB) {
4682 flock.l_type = F_RDLCK;
4685 flock.l_type = F_WRLCK;
4688 flock.l_type = F_UNLCK;
4694 flock.l_whence = SEEK_SET;
4695 flock.l_start = flock.l_len = 0L;
4697 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4700 #endif /* FCNTL_EMULATE_FLOCK */
4702 #ifdef LOCKF_EMULATE_FLOCK
4704 /* XXX Emulate flock() with lockf(). This is just to increase
4705 portability of scripts. The calls are not completely
4706 interchangeable. What's really needed is a good file
4710 /* The lockf() constants might have been defined in <unistd.h>.
4711 Unfortunately, <unistd.h> causes troubles on some mixed
4712 (BSD/POSIX) systems, such as SunOS 4.1.3.
4714 Further, the lockf() constants aren't POSIX, so they might not be
4715 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4716 just stick in the SVID values and be done with it. Sigh.
4720 # define F_ULOCK 0 /* Unlock a previously locked region */
4723 # define F_LOCK 1 /* Lock a region for exclusive use */
4726 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4729 # define F_TEST 3 /* Test a region for other processes locks */
4733 lockf_emulate_flock (fd, operation)
4741 /* flock locks entire file so for lockf we need to do the same */
4743 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4744 if (pos > 0) /* is seekable and needs to be repositioned */
4745 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4746 pos = -1; /* seek failed, so don't seek back afterwards */
4749 switch (operation) {
4751 /* LOCK_SH - get a shared lock */
4753 /* LOCK_EX - get an exclusive lock */
4755 i = lockf (fd, F_LOCK, 0);
4758 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4759 case LOCK_SH|LOCK_NB:
4760 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4761 case LOCK_EX|LOCK_NB:
4762 i = lockf (fd, F_TLOCK, 0);
4764 if ((errno == EAGAIN) || (errno == EACCES))
4765 errno = EWOULDBLOCK;
4768 /* LOCK_UN - unlock (non-blocking is a no-op) */
4770 case LOCK_UN|LOCK_NB:
4771 i = lockf (fd, F_ULOCK, 0);
4774 /* Default - can't decipher operation */
4781 if (pos > 0) /* need to restore position of the handle */
4782 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4787 #endif /* LOCKF_EMULATE_FLOCK */