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() */
178 # define MAXPATHLEN PATH_MAX
180 # define MAXPATHLEN 1024
185 static char zero_but_true[ZBTLEN + 1] = "0 but true";
187 #if defined(I_SYS_ACCESS) && !defined(R_OK)
188 # include <sys/access.h>
191 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
192 #undef PERL_EFF_ACCESS_W_OK
193 #undef PERL_EFF_ACCESS_X_OK
195 /* F_OK unused: if stat() cannot find it... */
197 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
198 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
199 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
200 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
201 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
204 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
206 # if defined(I_SYS_SECURITY)
207 # include <sys/security.h>
209 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
210 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
211 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
214 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
216 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
217 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
218 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
221 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
222 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
223 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
226 emulate_eaccess (const char* path, int mode) {
227 Uid_t ruid = getuid();
228 Uid_t euid = geteuid();
229 Gid_t rgid = getgid();
230 Gid_t egid = getegid();
233 MUTEX_LOCK(&PL_cred_mutex);
234 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
235 croak("switching effective uid is not implemented");
238 if (setreuid(euid, ruid))
241 if (setresuid(euid, ruid, (Uid_t)-1))
244 croak("entering effective uid failed");
247 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
248 croak("switching effective gid is not implemented");
251 if (setregid(egid, rgid))
254 if (setresgid(egid, rgid, (Gid_t)-1))
257 croak("entering effective gid failed");
260 res = access(path, mode);
263 if (setreuid(ruid, euid))
266 if (setresuid(ruid, euid, (Uid_t)-1))
269 croak("leaving effective uid failed");
272 if (setregid(rgid, egid))
275 if (setresgid(rgid, egid, (Gid_t)-1))
278 croak("leaving effective gid failed");
279 MUTEX_UNLOCK(&PL_cred_mutex);
283 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
284 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
285 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
288 #if !defined(PERL_EFF_ACCESS_R_OK)
290 emulate_eaccess (const char* path, int mode) {
291 croak("switching effective uid is not implemented");
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);
1471 int items = (SP - PL_stack_base) - TOPMARK;
1474 PUSHs(sv_2mortal(newSViv(sv_len(*SP))));
1477 return pp_send(ARGS);
1482 djSP; dMARK; dORIGMARK; dTARGET;
1493 if (PL_op->op_type == OP_SYSWRITE &&
1494 SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q')))
1501 perl_call_method("WRITE", G_SCALAR);
1512 buffer = SvPV(bufsv, blen);
1513 length = SvIVx(*++MARK);
1515 DIE("Negative length");
1518 if (!io || !IoIFP(io)) {
1520 if (ckWARN(WARN_CLOSED)) {
1521 if (PL_op->op_type == OP_SYSWRITE)
1522 warner(WARN_CLOSED, "Syswrite on closed filehandle");
1524 warner(WARN_CLOSED, "Send on closed socket");
1527 else if (PL_op->op_type == OP_SYSWRITE) {
1529 offset = SvIVx(*++MARK);
1532 DIE("Offset outside string");
1534 } else if (offset >= blen && blen > 0)
1535 DIE("Offset outside string");
1538 if (length > blen - offset)
1539 length = blen - offset;
1540 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1543 else if (SP > MARK) {
1546 sockbuf = SvPVx(*++MARK, mlen);
1547 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1548 (struct sockaddr *)sockbuf, mlen);
1551 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1555 DIE(no_sock_func, "send");
1570 return pp_sysread(ARGS);
1581 gv = PL_last_in_gv = (GV*)POPs;
1582 PUSHs(boolSV(!gv || do_eof(gv)));
1594 gv = PL_last_in_gv = (GV*)POPs;
1595 PUSHi( do_tell(gv) );
1601 return pp_sysseek(ARGS);
1609 Off_t offset = POPl;
1611 gv = PL_last_in_gv = (GV*)POPs;
1612 if (PL_op->op_type == OP_SEEK)
1613 PUSHs(boolSV(do_seek(gv, offset, whence)));
1615 Off_t n = do_sysseek(gv, offset, whence);
1616 PUSHs((n < 0) ? &PL_sv_undef
1617 : sv_2mortal(n ? newSViv((IV)n)
1618 : newSVpv(zero_but_true, ZBTLEN)));
1626 Off_t len = (Off_t)POPn;
1631 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1632 if (PL_op->op_flags & OPf_SPECIAL) {
1633 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1635 TAINT_PROPER("truncate");
1636 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1638 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1640 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1648 if (SvTYPE(sv) == SVt_PVGV) {
1649 tmpgv = (GV*)sv; /* *main::FRED for example */
1652 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1653 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1657 name = SvPV(sv, PL_na);
1658 TAINT_PROPER("truncate");
1660 if (truncate(name, len) < 0)
1665 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1668 if (my_chsize(tmpfd, len) < 0)
1670 PerlLIO_close(tmpfd);
1679 SETERRNO(EBADF,RMS$_IFI);
1682 DIE("truncate not implemented");
1688 return pp_ioctl(ARGS);
1695 unsigned int func = U_I(POPn);
1696 int optype = PL_op->op_type;
1702 if (!io || !argsv || !IoIFP(io)) {
1703 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1707 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1710 s = SvPV_force(argsv, len);
1711 need = IOCPARM_LEN(func);
1713 s = Sv_Grow(argsv, need + 1);
1714 SvCUR_set(argsv, need);
1717 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1720 retval = SvIV(argsv);
1721 s = (char*)retval; /* ouch */
1724 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1726 if (optype == OP_IOCTL)
1728 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1730 DIE("ioctl is not implemented");
1734 #if defined(OS2) && defined(__EMX__)
1735 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1737 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1740 DIE("fcntl is not implemented");
1744 if (s[SvCUR(argsv)] != 17)
1745 DIE("Possible memory corruption: %s overflowed 3rd argument",
1747 s[SvCUR(argsv)] = 0; /* put our null back */
1748 SvSETMAGIC(argsv); /* Assume it has changed */
1757 PUSHp(zero_but_true, ZBTLEN);
1777 fp = IoIFP(GvIOp(gv));
1781 (void)PerlIO_flush(fp);
1782 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1789 DIE(no_func, "flock()");
1801 int protocol = POPi;
1809 SETERRNO(EBADF,LIB$_INVARG);
1815 do_close(gv, FALSE);
1817 TAINT_PROPER("socket");
1818 fd = PerlSock_socket(domain, type, protocol);
1821 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1822 IoOFP(io) = PerlIO_fdopen(fd, "w");
1824 if (!IoIFP(io) || !IoOFP(io)) {
1825 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1826 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1827 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1833 DIE(no_sock_func, "socket");
1840 #ifdef HAS_SOCKETPAIR
1845 int protocol = POPi;
1858 do_close(gv1, FALSE);
1860 do_close(gv2, FALSE);
1862 TAINT_PROPER("socketpair");
1863 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1865 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1866 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1868 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1869 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1871 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1872 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1873 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1874 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1875 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1876 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1877 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1883 DIE(no_sock_func, "socketpair");
1891 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
1892 extern GETPRIVMODE();
1893 extern GETUSERMODE();
1898 register IO *io = GvIOn(gv);
1902 int mpeprivmode = 0;
1905 if (!io || !IoIFP(io))
1908 addr = SvPV(addrsv, len);
1909 TAINT_PROPER("bind");
1910 #ifdef MPE /* Deal with MPE bind() peculiarities */
1911 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
1912 /* The address *MUST* stupidly be zero. */
1913 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
1914 /* PRIV mode is required to bind() to ports < 1024. */
1915 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
1916 ((struct sockaddr_in *)addr)->sin_port > 0) {
1917 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
1922 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
1923 (struct sockaddr *)addr, len) >= 0)
1926 #ifdef MPE /* Switch back to USER mode */
1937 if (ckWARN(WARN_CLOSED))
1938 warner(WARN_CLOSED, "bind() on closed fd");
1939 SETERRNO(EBADF,SS$_IVCHAN);
1942 DIE(no_sock_func, "bind");
1953 register IO *io = GvIOn(gv);
1956 if (!io || !IoIFP(io))
1959 addr = SvPV(addrsv, len);
1960 TAINT_PROPER("connect");
1961 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1967 if (ckWARN(WARN_CLOSED))
1968 warner(WARN_CLOSED, "connect() on closed fd");
1969 SETERRNO(EBADF,SS$_IVCHAN);
1972 DIE(no_sock_func, "connect");
1982 register IO *io = GvIOn(gv);
1984 if (!io || !IoIFP(io))
1987 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1993 if (ckWARN(WARN_CLOSED))
1994 warner(WARN_CLOSED, "listen() on closed fd");
1995 SETERRNO(EBADF,SS$_IVCHAN);
1998 DIE(no_sock_func, "listen");
2010 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2011 Sock_size_t len = sizeof saddr;
2023 if (!gstio || !IoIFP(gstio))
2028 do_close(ngv, FALSE);
2030 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2033 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2034 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2035 IoTYPE(nstio) = 's';
2036 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2037 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2038 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2039 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2043 PUSHp((char *)&saddr, len);
2047 if (ckWARN(WARN_CLOSED))
2048 warner(WARN_CLOSED, "accept() on closed fd");
2049 SETERRNO(EBADF,SS$_IVCHAN);
2055 DIE(no_sock_func, "accept");
2065 register IO *io = GvIOn(gv);
2067 if (!io || !IoIFP(io))
2070 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2074 if (ckWARN(WARN_CLOSED))
2075 warner(WARN_CLOSED, "shutdown() on closed fd");
2076 SETERRNO(EBADF,SS$_IVCHAN);
2079 DIE(no_sock_func, "shutdown");
2086 return pp_ssockopt(ARGS);
2088 DIE(no_sock_func, "getsockopt");
2096 int optype = PL_op->op_type;
2099 unsigned int optname;
2105 if (optype == OP_GSOCKOPT)
2106 sv = sv_2mortal(NEWSV(22, 257));
2109 optname = (unsigned int) POPi;
2110 lvl = (unsigned int) POPi;
2114 if (!io || !IoIFP(io))
2117 fd = PerlIO_fileno(IoIFP(io));
2121 (void)SvPOK_only(sv);
2125 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2135 buf = SvPV(sv, PL_na);
2139 aint = (int)SvIV(sv);
2143 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2152 if (ckWARN(WARN_CLOSED))
2153 warner(WARN_CLOSED, "[gs]etsockopt() on closed fd");
2154 SETERRNO(EBADF,SS$_IVCHAN);
2159 DIE(no_sock_func, "setsockopt");
2166 return pp_getpeername(ARGS);
2168 DIE(no_sock_func, "getsockname");
2176 int optype = PL_op->op_type;
2180 register IO *io = GvIOn(gv);
2183 if (!io || !IoIFP(io))
2186 sv = sv_2mortal(NEWSV(22, 257));
2187 (void)SvPOK_only(sv);
2191 fd = PerlIO_fileno(IoIFP(io));
2193 case OP_GETSOCKNAME:
2194 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2197 case OP_GETPEERNAME:
2198 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2200 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2202 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2203 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2204 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2205 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2206 sizeof(u_short) + sizeof(struct in_addr))) {
2213 #ifdef BOGUS_GETNAME_RETURN
2214 /* Interactive Unix, getpeername() and getsockname()
2215 does not return valid namelen */
2216 if (len == BOGUS_GETNAME_RETURN)
2217 len = sizeof(struct sockaddr);
2225 if (ckWARN(WARN_CLOSED))
2226 warner(WARN_CLOSED, "get{sock, peer}name() on closed fd");
2227 SETERRNO(EBADF,SS$_IVCHAN);
2232 DIE(no_sock_func, "getpeername");
2240 return pp_stat(ARGS);
2250 if (PL_op->op_flags & OPf_REF) {
2251 tmpgv = cGVOP->op_gv;
2253 if (tmpgv != PL_defgv) {
2254 PL_laststype = OP_STAT;
2256 sv_setpv(PL_statname, "");
2257 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2258 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2260 if (PL_laststatval < 0)
2265 if (SvTYPE(sv) == SVt_PVGV) {
2269 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2270 tmpgv = (GV*)SvRV(sv);
2273 sv_setpv(PL_statname, SvPV(sv,PL_na));
2276 PL_laststype = PL_op->op_type;
2277 if (PL_op->op_type == OP_LSTAT)
2278 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, PL_na), &PL_statcache);
2281 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, PL_na), &PL_statcache);
2282 if (PL_laststatval < 0) {
2283 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, PL_na), '\n'))
2284 warner(WARN_NEWLINE, warn_nl, "stat");
2290 if (gimme != G_ARRAY) {
2291 if (gimme != G_VOID)
2292 XPUSHs(boolSV(max));
2298 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2299 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2300 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2301 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2302 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2303 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2304 #ifdef USE_STAT_RDEV
2305 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2307 PUSHs(sv_2mortal(newSVpv("", 0)));
2309 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2311 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2312 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2313 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2315 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2316 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2317 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2319 #ifdef USE_STAT_BLOCKS
2320 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2321 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2323 PUSHs(sv_2mortal(newSVpv("", 0)));
2324 PUSHs(sv_2mortal(newSVpv("", 0)));
2334 #if defined(HAS_ACCESS) && defined(R_OK)
2335 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2336 result = access(TOPp, R_OK);
2343 result = my_stat(ARGS);
2345 result = my_stat(ARGS);
2349 if (cando(S_IRUSR, 0, &PL_statcache))
2358 #if defined(HAS_ACCESS) && defined(W_OK)
2359 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2360 result = access(TOPp, W_OK);
2367 result = my_stat(ARGS);
2369 result = my_stat(ARGS);
2373 if (cando(S_IWUSR, 0, &PL_statcache))
2382 #if defined(HAS_ACCESS) && defined(X_OK)
2383 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2384 result = access(TOPp, X_OK);
2391 result = my_stat(ARGS);
2393 result = my_stat(ARGS);
2397 if (cando(S_IXUSR, 0, &PL_statcache))
2406 #ifdef PERL_EFF_ACCESS_R_OK
2407 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2408 result = PERL_EFF_ACCESS_R_OK(TOPp);
2415 result = my_stat(ARGS);
2417 result = my_stat(ARGS);
2421 if (cando(S_IRUSR, 1, &PL_statcache))
2430 #ifdef PERL_EFF_ACCESS_W_OK
2431 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2432 result = PERL_EFF_ACCESS_W_OK(TOPp);
2439 result = my_stat(ARGS);
2441 result = my_stat(ARGS);
2445 if (cando(S_IWUSR, 1, &PL_statcache))
2454 #ifdef PERL_EFF_ACCESS_X_OK
2455 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2456 result = PERL_EFF_ACCESS_X_OK(TOPp);
2463 result = my_stat(ARGS);
2465 result = my_stat(ARGS);
2469 if (cando(S_IXUSR, 1, &PL_statcache))
2476 I32 result = my_stat(ARGS);
2485 return pp_ftrowned(ARGS);
2490 I32 result = my_stat(ARGS);
2494 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2501 I32 result = my_stat(ARGS);
2505 if (!PL_statcache.st_size)
2512 I32 result = my_stat(ARGS);
2516 PUSHi(PL_statcache.st_size);
2522 I32 result = my_stat(ARGS);
2526 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2532 I32 result = my_stat(ARGS);
2536 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2542 I32 result = my_stat(ARGS);
2546 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2552 I32 result = my_stat(ARGS);
2556 if (S_ISSOCK(PL_statcache.st_mode))
2563 I32 result = my_stat(ARGS);
2567 if (S_ISCHR(PL_statcache.st_mode))
2574 I32 result = my_stat(ARGS);
2578 if (S_ISBLK(PL_statcache.st_mode))
2585 I32 result = my_stat(ARGS);
2589 if (S_ISREG(PL_statcache.st_mode))
2596 I32 result = my_stat(ARGS);
2600 if (S_ISDIR(PL_statcache.st_mode))
2607 I32 result = my_stat(ARGS);
2611 if (S_ISFIFO(PL_statcache.st_mode))
2618 I32 result = my_lstat(ARGS);
2622 if (S_ISLNK(PL_statcache.st_mode))
2631 I32 result = my_stat(ARGS);
2635 if (PL_statcache.st_mode & S_ISUID)
2645 I32 result = my_stat(ARGS);
2649 if (PL_statcache.st_mode & S_ISGID)
2659 I32 result = my_stat(ARGS);
2663 if (PL_statcache.st_mode & S_ISVTX)
2674 char *tmps = Nullch;
2676 if (PL_op->op_flags & OPf_REF)
2678 else if (isGV(TOPs))
2680 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2681 gv = (GV*)SvRV(POPs);
2683 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2685 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2686 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2687 else if (tmps && isDIGIT(*tmps))
2691 if (PerlLIO_isatty(fd))
2696 #if defined(atarist) /* this will work with atariST. Configure will
2697 make guesses for other systems. */
2698 # define FILE_base(f) ((f)->_base)
2699 # define FILE_ptr(f) ((f)->_ptr)
2700 # define FILE_cnt(f) ((f)->_cnt)
2701 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2711 register STDCHAR *s;
2716 if (PL_op->op_flags & OPf_REF)
2718 else if (isGV(TOPs))
2720 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2721 gv = (GV*)SvRV(POPs);
2727 if (gv == PL_defgv) {
2729 io = GvIO(PL_statgv);
2732 goto really_filename;
2737 PL_laststatval = -1;
2738 sv_setpv(PL_statname, "");
2739 io = GvIO(PL_statgv);
2741 if (io && IoIFP(io)) {
2742 if (! PerlIO_has_base(IoIFP(io)))
2743 DIE("-T and -B not implemented on filehandles");
2744 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2745 if (PL_laststatval < 0)
2747 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2748 if (PL_op->op_type == OP_FTTEXT)
2752 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2753 i = PerlIO_getc(IoIFP(io));
2755 (void)PerlIO_ungetc(IoIFP(io),i);
2757 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2759 len = PerlIO_get_bufsiz(IoIFP(io));
2760 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2761 /* sfio can have large buffers - limit to 512 */
2766 if (ckWARN(WARN_UNOPENED))
2767 warner(WARN_UNOPENED, "Test on unopened file <%s>",
2768 GvENAME(cGVOP->op_gv));
2769 SETERRNO(EBADF,RMS$_IFI);
2777 PL_laststatval = -1;
2778 sv_setpv(PL_statname, SvPV(sv, PL_na));
2780 i = PerlLIO_open3(SvPV(sv, PL_na), O_RDONLY, 0);
2782 i = PerlLIO_open(SvPV(sv, PL_na), 0);
2785 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, PL_na), '\n'))
2786 warner(WARN_NEWLINE, warn_nl, "open");
2789 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2790 if (PL_laststatval < 0)
2792 len = PerlLIO_read(i, tbuf, 512);
2793 (void)PerlLIO_close(i);
2795 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2796 RETPUSHNO; /* special case NFS directories */
2797 RETPUSHYES; /* null file is anything */
2802 /* now scan s to look for textiness */
2803 /* XXX ASCII dependent code */
2805 for (i = 0; i < len; i++, s++) {
2806 if (!*s) { /* null never allowed in text */
2811 else if (!(isPRINT(*s) || isSPACE(*s)))
2817 *s != '\n' && *s != '\r' && *s != '\b' &&
2818 *s != '\t' && *s != '\f' && *s != 27)
2823 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2831 return pp_fttext(ARGS);
2846 if (!tmps || !*tmps) {
2847 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
2849 tmps = SvPV(*svp, PL_na);
2851 if (!tmps || !*tmps) {
2852 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
2854 tmps = SvPV(*svp, PL_na);
2857 if (!tmps || !*tmps) {
2858 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
2860 tmps = SvPV(*svp, PL_na);
2863 TAINT_PROPER("chdir");
2864 PUSHi( PerlDir_chdir(tmps) >= 0 );
2866 /* Clear the DEFAULT element of ENV so we'll get the new value
2868 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
2875 djSP; dMARK; dTARGET;
2878 value = (I32)apply(PL_op->op_type, MARK, SP);
2883 DIE(no_func, "Unsupported function chown");
2893 TAINT_PROPER("chroot");
2894 PUSHi( chroot(tmps) >= 0 );
2897 DIE(no_func, "chroot");
2903 djSP; dMARK; dTARGET;
2905 value = (I32)apply(PL_op->op_type, MARK, SP);
2913 djSP; dMARK; dTARGET;
2915 value = (I32)apply(PL_op->op_type, MARK, SP);
2923 djSP; dMARK; dTARGET;
2925 value = (I32)apply(PL_op->op_type, MARK, SP);
2937 char *tmps = SvPV(TOPs, PL_na);
2938 TAINT_PROPER("rename");
2940 anum = PerlLIO_rename(tmps, tmps2);
2942 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
2943 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2946 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
2947 (void)UNLINK(tmps2);
2948 if (!(anum = link(tmps, tmps2)))
2949 anum = UNLINK(tmps);
2962 char *tmps = SvPV(TOPs, PL_na);
2963 TAINT_PROPER("link");
2964 SETi( link(tmps, tmps2) >= 0 );
2966 DIE(no_func, "Unsupported function link");
2976 char *tmps = SvPV(TOPs, PL_na);
2977 TAINT_PROPER("symlink");
2978 SETi( symlink(tmps, tmps2) >= 0 );
2981 DIE(no_func, "symlink");
2990 char buf[MAXPATHLEN];
2993 #ifndef INCOMPLETE_TAINTS
2997 len = readlink(tmps, buf, sizeof buf);
3005 RETSETUNDEF; /* just pretend it's a normal file */
3009 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3011 dooneliner(cmd, filename)
3015 char *save_filename = filename;
3021 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3022 strcpy(cmdline, cmd);
3023 strcat(cmdline, " ");
3024 for (s = cmdline + strlen(cmdline); *filename; ) {
3029 myfp = PerlProc_popen(cmdline, "r");
3033 SV *tmpsv = sv_newmortal();
3034 /* Need to save/restore 'PL_rs' ?? */
3035 s = sv_gets(tmpsv, myfp, 0);
3036 (void)PerlProc_pclose(myfp);
3040 #ifdef HAS_SYS_ERRLIST
3045 /* you don't see this */
3047 #ifdef HAS_SYS_ERRLIST
3055 if (instr(s, errmsg)) {
3062 #define EACCES EPERM
3064 if (instr(s, "cannot make"))
3065 SETERRNO(EEXIST,RMS$_FEX);
3066 else if (instr(s, "existing file"))
3067 SETERRNO(EEXIST,RMS$_FEX);
3068 else if (instr(s, "ile exists"))
3069 SETERRNO(EEXIST,RMS$_FEX);
3070 else if (instr(s, "non-exist"))
3071 SETERRNO(ENOENT,RMS$_FNF);
3072 else if (instr(s, "does not exist"))
3073 SETERRNO(ENOENT,RMS$_FNF);
3074 else if (instr(s, "not empty"))
3075 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3076 else if (instr(s, "cannot access"))
3077 SETERRNO(EACCES,RMS$_PRV);
3079 SETERRNO(EPERM,RMS$_PRV);
3082 else { /* some mkdirs return no failure indication */
3083 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3084 if (PL_op->op_type == OP_RMDIR)
3089 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3105 char *tmps = SvPV(TOPs, PL_na);
3107 TAINT_PROPER("mkdir");
3109 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3111 SETi( dooneliner("mkdir", tmps) );
3112 oldumask = PerlLIO_umask(0);
3113 PerlLIO_umask(oldumask);
3114 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3125 TAINT_PROPER("rmdir");
3127 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3129 XPUSHi( dooneliner("rmdir", tmps) );
3134 /* Directory calls. */
3139 #if defined(Direntry_t) && defined(HAS_READDIR)
3140 char *dirname = POPp;
3142 register IO *io = GvIOn(gv);
3148 PerlDir_close(IoDIRP(io));
3149 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3155 SETERRNO(EBADF,RMS$_DIR);
3158 DIE(no_dir_func, "opendir");
3165 #if defined(Direntry_t) && defined(HAS_READDIR)
3167 Direntry_t *readdir _((DIR *));
3169 register Direntry_t *dp;
3171 register IO *io = GvIOn(gv);
3174 if (!io || !IoDIRP(io))
3177 if (GIMME == G_ARRAY) {
3179 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3181 sv = newSVpv(dp->d_name, dp->d_namlen);
3183 sv = newSVpv(dp->d_name, 0);
3185 #ifndef INCOMPLETE_TAINTS
3188 XPUSHs(sv_2mortal(sv));
3192 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3195 sv = newSVpv(dp->d_name, dp->d_namlen);
3197 sv = newSVpv(dp->d_name, 0);
3199 #ifndef INCOMPLETE_TAINTS
3202 XPUSHs(sv_2mortal(sv));
3208 SETERRNO(EBADF,RMS$_ISI);
3209 if (GIMME == G_ARRAY)
3214 DIE(no_dir_func, "readdir");
3221 #if defined(HAS_TELLDIR) || defined(telldir)
3222 # ifdef NEED_TELLDIR_PROTO /* XXX does _anyone_ need this? --AD 2/20/1998 */
3223 long telldir _((DIR *));
3226 register IO *io = GvIOn(gv);
3228 if (!io || !IoDIRP(io))
3231 PUSHi( PerlDir_tell(IoDIRP(io)) );
3235 SETERRNO(EBADF,RMS$_ISI);
3238 DIE(no_dir_func, "telldir");
3245 #if defined(HAS_SEEKDIR) || defined(seekdir)
3248 register IO *io = GvIOn(gv);
3250 if (!io || !IoDIRP(io))
3253 (void)PerlDir_seek(IoDIRP(io), along);
3258 SETERRNO(EBADF,RMS$_ISI);
3261 DIE(no_dir_func, "seekdir");
3268 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3270 register IO *io = GvIOn(gv);
3272 if (!io || !IoDIRP(io))
3275 (void)PerlDir_rewind(IoDIRP(io));
3279 SETERRNO(EBADF,RMS$_ISI);
3282 DIE(no_dir_func, "rewinddir");
3289 #if defined(Direntry_t) && defined(HAS_READDIR)
3291 register IO *io = GvIOn(gv);
3293 if (!io || !IoDIRP(io))
3296 #ifdef VOID_CLOSEDIR
3297 PerlDir_close(IoDIRP(io));
3299 if (PerlDir_close(IoDIRP(io)) < 0) {
3300 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3309 SETERRNO(EBADF,RMS$_IFI);
3312 DIE(no_dir_func, "closedir");
3316 /* Process control. */
3331 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3332 sv_setiv(GvSV(tmpgv), (IV)getpid());
3333 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3338 DIE(no_func, "Unsupported function fork");
3344 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3349 childpid = wait4pid(-1, &argflags, 0);
3350 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3354 DIE(no_func, "Unsupported function wait");
3360 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3368 childpid = wait4pid(childpid, &argflags, optype);
3369 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3373 DIE(no_func, "Unsupported function waitpid");
3379 djSP; dMARK; dORIGMARK; dTARGET;
3384 Sigsave_t ihand,qhand; /* place to save signals during system() */
3386 if (SP - MARK == 1) {
3388 char *junk = SvPV(TOPs, PL_na);
3390 TAINT_PROPER("system");
3393 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3394 while ((childpid = vfork()) == -1) {
3395 if (errno != EAGAIN) {
3404 rsignal_save(SIGINT, SIG_IGN, &ihand);
3405 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3407 result = wait4pid(childpid, &status, 0);
3408 } while (result == -1 && errno == EINTR);
3409 (void)rsignal_restore(SIGINT, &ihand);
3410 (void)rsignal_restore(SIGQUIT, &qhand);
3411 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3412 do_execfree(); /* free any memory child malloced on vfork */
3414 PUSHi(STATUS_CURRENT);
3417 if (PL_op->op_flags & OPf_STACKED) {
3418 SV *really = *++MARK;
3419 value = (I32)do_aexec(really, MARK, SP);
3421 else if (SP - MARK != 1)
3422 value = (I32)do_aexec(Nullsv, MARK, SP);
3424 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3427 #else /* ! FORK or VMS or OS/2 */
3428 if (PL_op->op_flags & OPf_STACKED) {
3429 SV *really = *++MARK;
3430 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3432 else if (SP - MARK != 1)
3433 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3435 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), PL_na));
3437 STATUS_NATIVE_SET(value);
3440 PUSHi(STATUS_CURRENT);
3441 #endif /* !FORK or VMS */
3447 djSP; dMARK; dORIGMARK; dTARGET;
3450 if (PL_op->op_flags & OPf_STACKED) {
3451 SV *really = *++MARK;
3452 value = (I32)do_aexec(really, MARK, SP);
3454 else if (SP - MARK != 1)
3456 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3460 (void ) do_aspawn(Nullsv, MARK, SP);
3464 value = (I32)do_aexec(Nullsv, MARK, SP);
3469 char *junk = SvPV(*SP, PL_na);
3471 TAINT_PROPER("exec");
3474 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3477 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), PL_na));
3480 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3491 djSP; dMARK; dTARGET;
3494 value = (I32)apply(PL_op->op_type, MARK, SP);
3499 DIE(no_func, "Unsupported function kill");
3507 XPUSHi( getppid() );
3510 DIE(no_func, "getppid");
3526 value = (I32)BSD_GETPGRP(pid);
3528 if (pid != 0 && pid != getpid())
3529 DIE("POSIX getpgrp can't take an argument");
3530 value = (I32)getpgrp();
3535 DIE(no_func, "getpgrp()");
3554 TAINT_PROPER("setpgrp");
3556 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3558 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3559 DIE("POSIX setpgrp can't take an argument");
3560 SETi( setpgrp() >= 0 );
3561 #endif /* USE_BSDPGRP */
3564 DIE(no_func, "setpgrp()");
3573 #ifdef HAS_GETPRIORITY
3576 SETi( getpriority(which, who) );
3579 DIE(no_func, "getpriority()");
3589 #ifdef HAS_SETPRIORITY
3593 TAINT_PROPER("setpriority");
3594 SETi( setpriority(which, who, niceval) >= 0 );
3597 DIE(no_func, "setpriority()");
3607 XPUSHn( time(Null(Time_t*)) );
3609 XPUSHi( time(Null(Time_t*)) );
3614 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3615 to HZ. Probably. For now, assume that if the system
3616 defines HZ, it does so correctly. (Will this break
3618 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3619 it's supported. --AD 9/96.
3635 DIE("times not implemented");
3640 (void)PerlProc_times(&PL_timesbuf);
3642 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3643 /* struct tms, though same data */
3647 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_utime)/HZ)));
3648 if (GIMME == G_ARRAY) {
3649 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_stime)/HZ)));
3650 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cutime)/HZ)));
3651 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cstime)/HZ)));
3654 #endif /* HAS_TIMES */
3659 return pp_gmtime(ARGS);
3667 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3668 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3669 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3675 when = (Time_t)SvNVx(POPs);
3677 when = (Time_t)SvIVx(POPs);
3680 if (PL_op->op_type == OP_LOCALTIME)
3681 tmbuf = localtime(&when);
3683 tmbuf = gmtime(&when);
3687 if (GIMME != G_ARRAY) {
3692 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3693 dayname[tmbuf->tm_wday],
3694 monname[tmbuf->tm_mon],
3699 tmbuf->tm_year + 1900);
3700 PUSHs(sv_2mortal(tsv));
3703 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3704 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3705 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3706 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3707 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3708 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3709 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3710 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3711 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3722 anum = alarm((unsigned int)anum);
3729 DIE(no_func, "Unsupported function alarm");
3740 (void)time(&lasttime);
3745 PerlProc_sleep((unsigned int)duration);
3748 XPUSHi(when - lasttime);
3752 /* Shared memory. */
3756 return pp_semget(ARGS);
3761 return pp_semctl(ARGS);
3766 return pp_shmwrite(ARGS);
3771 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3772 djSP; dMARK; dTARGET;
3773 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3778 return pp_semget(ARGS);
3782 /* Message passing. */
3786 return pp_semget(ARGS);
3791 return pp_semctl(ARGS);
3796 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3797 djSP; dMARK; dTARGET;
3798 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3803 return pp_semget(ARGS);
3809 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3810 djSP; dMARK; dTARGET;
3811 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3816 return pp_semget(ARGS);
3824 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3825 djSP; dMARK; dTARGET;
3826 int anum = do_ipcget(PL_op->op_type, MARK, SP);
3833 DIE("System V IPC is not implemented on this machine");
3839 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3840 djSP; dMARK; dTARGET;
3841 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
3849 PUSHp(zero_but_true, ZBTLEN);
3853 return pp_semget(ARGS);
3859 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3860 djSP; dMARK; dTARGET;
3861 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3866 return pp_semget(ARGS);
3870 /* Get system info. */
3874 #ifdef HAS_GETHOSTBYNAME
3875 return pp_ghostent(ARGS);
3877 DIE(no_sock_func, "gethostbyname");
3883 #ifdef HAS_GETHOSTBYADDR
3884 return pp_ghostent(ARGS);
3886 DIE(no_sock_func, "gethostbyaddr");
3893 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
3894 I32 which = PL_op->op_type;
3895 register char **elem;
3897 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
3898 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
3899 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
3900 struct hostent *PerlSock_gethostent(void);
3902 struct hostent *hent;
3906 if (which == OP_GHBYNAME)
3907 #ifdef HAS_GETHOSTBYNAME
3908 hent = PerlSock_gethostbyname(POPp);
3910 DIE(no_sock_func, "gethostbyname");
3912 else if (which == OP_GHBYADDR) {
3913 #ifdef HAS_GETHOSTBYADDR
3914 int addrtype = POPi;
3917 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
3919 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
3921 DIE(no_sock_func, "gethostbyaddr");
3925 #ifdef HAS_GETHOSTENT
3926 hent = PerlSock_gethostent();
3928 DIE(no_sock_func, "gethostent");
3931 #ifdef HOST_NOT_FOUND
3933 STATUS_NATIVE_SET(h_errno);
3936 if (GIMME != G_ARRAY) {
3937 PUSHs(sv = sv_newmortal());
3939 if (which == OP_GHBYNAME) {
3941 sv_setpvn(sv, hent->h_addr, hent->h_length);
3944 sv_setpv(sv, (char*)hent->h_name);
3950 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3951 sv_setpv(sv, (char*)hent->h_name);
3952 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3953 for (elem = hent->h_aliases; elem && *elem; elem++) {
3954 sv_catpv(sv, *elem);
3956 sv_catpvn(sv, " ", 1);
3958 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3959 sv_setiv(sv, (IV)hent->h_addrtype);
3960 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3961 len = hent->h_length;
3962 sv_setiv(sv, (IV)len);
3964 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3965 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
3966 sv_setpvn(sv, *elem, len);
3969 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3971 sv_setpvn(sv, hent->h_addr, len);
3976 DIE(no_sock_func, "gethostent");
3982 #ifdef HAS_GETNETBYNAME
3983 return pp_gnetent(ARGS);
3985 DIE(no_sock_func, "getnetbyname");
3991 #ifdef HAS_GETNETBYADDR
3992 return pp_gnetent(ARGS);
3994 DIE(no_sock_func, "getnetbyaddr");
4001 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4002 I32 which = PL_op->op_type;
4003 register char **elem;
4005 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4006 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4007 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4008 struct netent *PerlSock_getnetent(void);
4010 struct netent *nent;
4012 if (which == OP_GNBYNAME)
4013 #ifdef HAS_GETNETBYNAME
4014 nent = PerlSock_getnetbyname(POPp);
4016 DIE(no_sock_func, "getnetbyname");
4018 else if (which == OP_GNBYADDR) {
4019 #ifdef HAS_GETNETBYADDR
4020 int addrtype = POPi;
4021 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4022 nent = PerlSock_getnetbyaddr(addr, addrtype);
4024 DIE(no_sock_func, "getnetbyaddr");
4028 #ifdef HAS_GETNETENT
4029 nent = PerlSock_getnetent();
4031 DIE(no_sock_func, "getnetent");
4035 if (GIMME != G_ARRAY) {
4036 PUSHs(sv = sv_newmortal());
4038 if (which == OP_GNBYNAME)
4039 sv_setiv(sv, (IV)nent->n_net);
4041 sv_setpv(sv, nent->n_name);
4047 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4048 sv_setpv(sv, nent->n_name);
4049 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4050 for (elem = nent->n_aliases; elem && *elem; elem++) {
4051 sv_catpv(sv, *elem);
4053 sv_catpvn(sv, " ", 1);
4055 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4056 sv_setiv(sv, (IV)nent->n_addrtype);
4057 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4058 sv_setiv(sv, (IV)nent->n_net);
4063 DIE(no_sock_func, "getnetent");
4069 #ifdef HAS_GETPROTOBYNAME
4070 return pp_gprotoent(ARGS);
4072 DIE(no_sock_func, "getprotobyname");
4078 #ifdef HAS_GETPROTOBYNUMBER
4079 return pp_gprotoent(ARGS);
4081 DIE(no_sock_func, "getprotobynumber");
4088 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4089 I32 which = PL_op->op_type;
4090 register char **elem;
4092 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4093 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4094 struct protoent *PerlSock_getprotobynumber(int);
4095 struct protoent *PerlSock_getprotoent(void);
4097 struct protoent *pent;
4099 if (which == OP_GPBYNAME)
4100 #ifdef HAS_GETPROTOBYNAME
4101 pent = PerlSock_getprotobyname(POPp);
4103 DIE(no_sock_func, "getprotobyname");
4105 else if (which == OP_GPBYNUMBER)
4106 #ifdef HAS_GETPROTOBYNUMBER
4107 pent = PerlSock_getprotobynumber(POPi);
4109 DIE(no_sock_func, "getprotobynumber");
4112 #ifdef HAS_GETPROTOENT
4113 pent = PerlSock_getprotoent();
4115 DIE(no_sock_func, "getprotoent");
4119 if (GIMME != G_ARRAY) {
4120 PUSHs(sv = sv_newmortal());
4122 if (which == OP_GPBYNAME)
4123 sv_setiv(sv, (IV)pent->p_proto);
4125 sv_setpv(sv, pent->p_name);
4131 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4132 sv_setpv(sv, pent->p_name);
4133 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4134 for (elem = pent->p_aliases; elem && *elem; elem++) {
4135 sv_catpv(sv, *elem);
4137 sv_catpvn(sv, " ", 1);
4139 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4140 sv_setiv(sv, (IV)pent->p_proto);
4145 DIE(no_sock_func, "getprotoent");
4151 #ifdef HAS_GETSERVBYNAME
4152 return pp_gservent(ARGS);
4154 DIE(no_sock_func, "getservbyname");
4160 #ifdef HAS_GETSERVBYPORT
4161 return pp_gservent(ARGS);
4163 DIE(no_sock_func, "getservbyport");
4170 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4171 I32 which = PL_op->op_type;
4172 register char **elem;
4174 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4175 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4176 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4177 struct servent *PerlSock_getservent(void);
4179 struct servent *sent;
4181 if (which == OP_GSBYNAME) {
4182 #ifdef HAS_GETSERVBYNAME
4186 if (proto && !*proto)
4189 sent = PerlSock_getservbyname(name, proto);
4191 DIE(no_sock_func, "getservbyname");
4194 else if (which == OP_GSBYPORT) {
4195 #ifdef HAS_GETSERVBYPORT
4197 unsigned short port = POPu;
4200 port = PerlSock_htons(port);
4202 sent = PerlSock_getservbyport(port, proto);
4204 DIE(no_sock_func, "getservbyport");
4208 #ifdef HAS_GETSERVENT
4209 sent = PerlSock_getservent();
4211 DIE(no_sock_func, "getservent");
4215 if (GIMME != G_ARRAY) {
4216 PUSHs(sv = sv_newmortal());
4218 if (which == OP_GSBYNAME) {
4220 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4222 sv_setiv(sv, (IV)(sent->s_port));
4226 sv_setpv(sv, sent->s_name);
4232 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4233 sv_setpv(sv, sent->s_name);
4234 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4235 for (elem = sent->s_aliases; elem && *elem; elem++) {
4236 sv_catpv(sv, *elem);
4238 sv_catpvn(sv, " ", 1);
4240 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4242 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4244 sv_setiv(sv, (IV)(sent->s_port));
4246 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4247 sv_setpv(sv, sent->s_proto);
4252 DIE(no_sock_func, "getservent");
4259 #ifdef HAS_SETHOSTENT
4260 PerlSock_sethostent(TOPi);
4263 DIE(no_sock_func, "sethostent");
4270 #ifdef HAS_SETNETENT
4271 PerlSock_setnetent(TOPi);
4274 DIE(no_sock_func, "setnetent");
4281 #ifdef HAS_SETPROTOENT
4282 PerlSock_setprotoent(TOPi);
4285 DIE(no_sock_func, "setprotoent");
4292 #ifdef HAS_SETSERVENT
4293 PerlSock_setservent(TOPi);
4296 DIE(no_sock_func, "setservent");
4303 #ifdef HAS_ENDHOSTENT
4304 PerlSock_endhostent();
4308 DIE(no_sock_func, "endhostent");
4315 #ifdef HAS_ENDNETENT
4316 PerlSock_endnetent();
4320 DIE(no_sock_func, "endnetent");
4327 #ifdef HAS_ENDPROTOENT
4328 PerlSock_endprotoent();
4332 DIE(no_sock_func, "endprotoent");
4339 #ifdef HAS_ENDSERVENT
4340 PerlSock_endservent();
4344 DIE(no_sock_func, "endservent");
4351 return pp_gpwent(ARGS);
4353 DIE(no_func, "getpwnam");
4360 return pp_gpwent(ARGS);
4362 DIE(no_func, "getpwuid");
4369 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4370 I32 which = PL_op->op_type;
4372 struct passwd *pwent;
4374 if (which == OP_GPWNAM)
4375 pwent = getpwnam(POPp);
4376 else if (which == OP_GPWUID)
4377 pwent = getpwuid(POPi);
4379 pwent = (struct passwd *)getpwent();
4382 if (GIMME != G_ARRAY) {
4383 PUSHs(sv = sv_newmortal());
4385 if (which == OP_GPWNAM)
4386 sv_setiv(sv, (IV)pwent->pw_uid);
4388 sv_setpv(sv, pwent->pw_name);
4394 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4395 sv_setpv(sv, pwent->pw_name);
4397 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4399 sv_setpv(sv, pwent->pw_passwd);
4402 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4403 sv_setiv(sv, (IV)pwent->pw_uid);
4405 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4406 sv_setiv(sv, (IV)pwent->pw_gid);
4408 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4409 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4411 sv_setiv(sv, (IV)pwent->pw_change);
4414 sv_setiv(sv, (IV)pwent->pw_quota);
4417 sv_setpv(sv, pwent->pw_age);
4422 /* pw_class and pw_comment are mutually exclusive. */
4423 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4425 sv_setpv(sv, pwent->pw_class);
4428 sv_setpv(sv, pwent->pw_comment);
4432 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4434 sv_setpv(sv, pwent->pw_gecos);
4436 #ifndef INCOMPLETE_TAINTS
4437 /* pw_gecos is tainted because user himself can diddle with it. */
4441 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4442 sv_setpv(sv, pwent->pw_dir);
4444 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4445 sv_setpv(sv, pwent->pw_shell);
4448 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4449 sv_setiv(sv, (IV)pwent->pw_expire);
4454 DIE(no_func, "getpwent");
4461 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4465 DIE(no_func, "setpwent");
4472 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4476 DIE(no_func, "endpwent");
4483 return pp_ggrent(ARGS);
4485 DIE(no_func, "getgrnam");
4492 return pp_ggrent(ARGS);
4494 DIE(no_func, "getgrgid");
4501 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4502 I32 which = PL_op->op_type;
4503 register char **elem;
4505 struct group *grent;
4507 if (which == OP_GGRNAM)
4508 grent = (struct group *)getgrnam(POPp);
4509 else if (which == OP_GGRGID)
4510 grent = (struct group *)getgrgid(POPi);
4512 grent = (struct group *)getgrent();
4515 if (GIMME != G_ARRAY) {
4516 PUSHs(sv = sv_newmortal());
4518 if (which == OP_GGRNAM)
4519 sv_setiv(sv, (IV)grent->gr_gid);
4521 sv_setpv(sv, grent->gr_name);
4527 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4528 sv_setpv(sv, grent->gr_name);
4530 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4532 sv_setpv(sv, grent->gr_passwd);
4535 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4536 sv_setiv(sv, (IV)grent->gr_gid);
4538 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4539 for (elem = grent->gr_mem; elem && *elem; elem++) {
4540 sv_catpv(sv, *elem);
4542 sv_catpvn(sv, " ", 1);
4548 DIE(no_func, "getgrent");
4555 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4559 DIE(no_func, "setgrent");
4566 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4570 DIE(no_func, "endgrent");
4580 if (!(tmps = PerlProc_getlogin()))
4582 PUSHp(tmps, strlen(tmps));
4585 DIE(no_func, "getlogin");
4589 /* Miscellaneous. */
4594 djSP; dMARK; dORIGMARK; dTARGET;
4595 register I32 items = SP - MARK;
4596 unsigned long a[20];
4602 while (++MARK <= SP) {
4603 if (SvTAINTED(*MARK)) {
4609 TAINT_PROPER("syscall");
4612 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4613 * or where sizeof(long) != sizeof(char*). But such machines will
4614 * not likely have syscall implemented either, so who cares?
4616 while (++MARK <= SP) {
4617 if (SvNIOK(*MARK) || !i)
4618 a[i++] = SvIV(*MARK);
4619 else if (*MARK == &PL_sv_undef)
4622 a[i++] = (unsigned long)SvPV_force(*MARK, PL_na);
4628 DIE("Too many args to syscall");
4630 DIE("Too few args to syscall");
4632 retval = syscall(a[0]);
4635 retval = syscall(a[0],a[1]);
4638 retval = syscall(a[0],a[1],a[2]);
4641 retval = syscall(a[0],a[1],a[2],a[3]);
4644 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4647 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4650 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4653 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4657 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4660 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4663 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4667 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4671 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4675 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4676 a[10],a[11],a[12],a[13]);
4678 #endif /* atarist */
4684 DIE(no_func, "syscall");
4688 #ifdef FCNTL_EMULATE_FLOCK
4690 /* XXX Emulate flock() with fcntl().
4691 What's really needed is a good file locking module.
4695 fcntl_emulate_flock(int fd, int operation)
4699 switch (operation & ~LOCK_NB) {
4701 flock.l_type = F_RDLCK;
4704 flock.l_type = F_WRLCK;
4707 flock.l_type = F_UNLCK;
4713 flock.l_whence = SEEK_SET;
4714 flock.l_start = flock.l_len = 0L;
4716 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4719 #endif /* FCNTL_EMULATE_FLOCK */
4721 #ifdef LOCKF_EMULATE_FLOCK
4723 /* XXX Emulate flock() with lockf(). This is just to increase
4724 portability of scripts. The calls are not completely
4725 interchangeable. What's really needed is a good file
4729 /* The lockf() constants might have been defined in <unistd.h>.
4730 Unfortunately, <unistd.h> causes troubles on some mixed
4731 (BSD/POSIX) systems, such as SunOS 4.1.3.
4733 Further, the lockf() constants aren't POSIX, so they might not be
4734 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4735 just stick in the SVID values and be done with it. Sigh.
4739 # define F_ULOCK 0 /* Unlock a previously locked region */
4742 # define F_LOCK 1 /* Lock a region for exclusive use */
4745 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4748 # define F_TEST 3 /* Test a region for other processes locks */
4752 lockf_emulate_flock (fd, operation)
4760 /* flock locks entire file so for lockf we need to do the same */
4762 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4763 if (pos > 0) /* is seekable and needs to be repositioned */
4764 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4765 pos = -1; /* seek failed, so don't seek back afterwards */
4768 switch (operation) {
4770 /* LOCK_SH - get a shared lock */
4772 /* LOCK_EX - get an exclusive lock */
4774 i = lockf (fd, F_LOCK, 0);
4777 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4778 case LOCK_SH|LOCK_NB:
4779 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4780 case LOCK_EX|LOCK_NB:
4781 i = lockf (fd, F_TLOCK, 0);
4783 if ((errno == EAGAIN) || (errno == EACCES))
4784 errno = EWOULDBLOCK;
4787 /* LOCK_UN - unlock (non-blocking is a no-op) */
4789 case LOCK_UN|LOCK_NB:
4790 i = lockf (fd, F_ULOCK, 0);
4793 /* Default - can't decipher operation */
4800 if (pos > 0) /* need to restore position of the handle */
4801 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4806 #endif /* LOCKF_EMULATE_FLOCK */