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 (mg = SvTIED_mg((SV*)gv, 'q')) {
518 XPUSHs(SvTIED_obj((SV*)gv, mg));
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, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
714 SP = PL_stack_base + markoff;
723 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
725 if (ckWARN(WARN_UNTIE)) {
727 if (mg = SvTIED_mg(sv, how)) {
728 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
730 "untie attempted while %lu inner references still exist",
731 (unsigned long)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
743 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
746 if (mg = SvTIED_mg(sv, how)) {
747 SV *osv = SvTIED_obj(sv, mg);
748 if (osv == mg->mg_obj)
749 osv = sv_mortalcopy(osv);
767 sv = sv_mortalcopy(&PL_sv_no);
768 sv_setpv(sv, "AnyDBM_File");
769 stash = gv_stashsv(sv, FALSE);
770 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
772 perl_require_pv("AnyDBM_File.pm");
774 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
775 DIE("No dbm on this machine");
785 PUSHs(sv_2mortal(newSViv(O_RDWR|O_CREAT)));
787 PUSHs(sv_2mortal(newSViv(O_RDWR)));
790 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
793 if (!sv_isobject(TOPs)) {
798 PUSHs(sv_2mortal(newSViv(O_RDONLY)));
801 perl_call_sv((SV*)GvCV(gv), G_SCALAR);
805 if (sv_isobject(TOPs)) {
806 sv_unmagic((SV *) hv, 'P');
807 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
815 return pp_untie(ARGS);
829 struct timeval timebuf;
830 struct timeval *tbuf = &timebuf;
833 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
838 # if BYTEORDER & 0xf0000
839 # define ORDERBYTE (0x88888888 - BYTEORDER)
841 # define ORDERBYTE (0x4444 - BYTEORDER)
847 for (i = 1; i <= 3; i++) {
855 /* little endians can use vecs directly */
856 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
857 # if SELECT_MIN_BITS > 1
858 /* If SELECT_MIN_BITS is greater than one we most probably will want
859 * to align the sizes with SELECT_MIN_BITS/8 because for example
860 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
861 * UNIX, Solaris, NeXT) the smallest quantum select() operates on
862 * (sets bit) is 32 bits. */
863 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
865 growsize = sizeof(fd_set);
874 masksize = NFDBITS / NBBY;
876 masksize = sizeof(long); /* documented int, everyone seems to use long */
878 growsize = maxlen + (masksize - (maxlen % masksize));
879 Zero(&fd_sets[0], 4, char*);
887 timebuf.tv_sec = (long)value;
888 value -= (double)timebuf.tv_sec;
889 timebuf.tv_usec = (long)(value * 1000000.0);
892 tbuf = Null(struct timeval*);
894 for (i = 1; i <= 3; i++) {
901 SvPV_force(sv,PL_na); /* force string conversion */
904 Sv_Grow(sv, growsize);
908 while (++j <= growsize) {
912 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
914 New(403, fd_sets[i], growsize, char);
915 for (offset = 0; offset < growsize; offset += masksize) {
916 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
917 fd_sets[i][j+offset] = s[(k % masksize) + offset];
920 fd_sets[i] = SvPVX(sv);
924 nfound = PerlSock_select(
926 (Select_fd_set_t) fd_sets[1],
927 (Select_fd_set_t) fd_sets[2],
928 (Select_fd_set_t) fd_sets[3],
930 for (i = 1; i <= 3; i++) {
933 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
935 for (offset = 0; offset < growsize; offset += masksize) {
936 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
937 s[(k % masksize) + offset] = fd_sets[i][j+offset];
939 Safefree(fd_sets[i]);
946 if (GIMME == G_ARRAY && tbuf) {
947 value = (double)(timebuf.tv_sec) +
948 (double)(timebuf.tv_usec) / 1000000.0;
949 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
954 DIE("select not implemented");
963 (void)SvREFCNT_inc(gv);
965 SvREFCNT_dec(PL_defoutgv);
975 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
977 egv = GvEGV(PL_defoutgv);
982 XPUSHs(&PL_sv_undef);
984 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
985 if (gvp && *gvp == egv) {
986 gv_efullname3(TARG, PL_defoutgv, Nullch);
990 XPUSHs(sv_2mortal(newRV((SV*)egv)));
995 if (!GvIO(newdefout))
997 setdefout(newdefout);
1016 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1017 I32 gimme = GIMME_V;
1019 XPUSHs(SvTIED_obj((SV*)gv, mg));
1022 perl_call_method("GETC", gimme);
1025 if (gimme == G_SCALAR)
1026 SvSetMagicSV_nosteal(TARG, TOPs);
1029 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1032 sv_setpv(TARG, " ");
1033 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1040 return pp_sysread(ARGS);
1044 doform(CV *cv, GV *gv, OP *retop)
1047 register PERL_CONTEXT *cx;
1048 I32 gimme = GIMME_V;
1049 AV* padlist = CvPADLIST(cv);
1050 SV** svp = AvARRAY(padlist);
1056 PUSHBLOCK(cx, CXt_SUB, PL_stack_sp);
1058 SAVESPTR(PL_curpad);
1059 PL_curpad = AvARRAY((AV*)svp[1]);
1061 setdefout(gv); /* locally select filehandle so $% et al work */
1093 SV *tmpsv = sv_newmortal();
1094 gv_efullname3(tmpsv, fgv, Nullch);
1095 DIE("Undefined format \"%s\" called",SvPVX(tmpsv));
1097 DIE("Not a format reference");
1100 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1102 IoFLAGS(io) &= ~IOf_DIDTOP;
1103 return doform(cv,gv,PL_op->op_next);
1109 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1110 register IO *io = GvIOp(gv);
1111 PerlIO *ofp = IoOFP(io);
1115 register PERL_CONTEXT *cx;
1117 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1118 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1119 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1120 PL_formtarget != PL_toptarget)
1124 if (!IoTOP_GV(io)) {
1128 if (!IoTOP_NAME(io)) {
1129 if (!IoFMT_NAME(io))
1130 IoFMT_NAME(io) = savepv(GvNAME(gv));
1131 topname = sv_2mortal(newSVpvf("%s_TOP", IoFMT_NAME(io)));
1132 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1133 if ((topgv && GvFORM(topgv)) ||
1134 !gv_fetchpv("top",FALSE,SVt_PVFM))
1135 IoTOP_NAME(io) = savepv(SvPVX(topname));
1137 IoTOP_NAME(io) = savepv("top");
1139 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1140 if (!topgv || !GvFORM(topgv)) {
1141 IoLINES_LEFT(io) = 100000000;
1144 IoTOP_GV(io) = topgv;
1146 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1147 I32 lines = IoLINES_LEFT(io);
1148 char *s = SvPVX(PL_formtarget);
1149 if (lines <= 0) /* Yow, header didn't even fit!!! */
1151 while (lines-- > 0) {
1152 s = strchr(s, '\n');
1158 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1159 sv_chop(PL_formtarget, s);
1160 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1163 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1164 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1165 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1167 PL_formtarget = PL_toptarget;
1168 IoFLAGS(io) |= IOf_DIDTOP;
1171 DIE("bad top format reference");
1174 SV *tmpsv = sv_newmortal();
1175 gv_efullname3(tmpsv, fgv, Nullch);
1176 DIE("Undefined top format \"%s\" called",SvPVX(tmpsv));
1179 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1180 return doform(cv,gv,PL_op);
1184 POPBLOCK(cx,PL_curpm);
1190 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1192 warner(WARN_IO, "Filehandle only opened for input");
1193 else if (ckWARN(WARN_CLOSED))
1194 warner(WARN_CLOSED, "Write on closed filehandle");
1199 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1200 if (ckWARN(WARN_IO))
1201 warner(WARN_IO, "page overflow");
1203 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1207 FmLINES(PL_formtarget) = 0;
1208 SvCUR_set(PL_formtarget, 0);
1209 *SvEND(PL_formtarget) = '\0';
1210 if (IoFLAGS(io) & IOf_FLUSH)
1211 (void)PerlIO_flush(fp);
1215 PL_formtarget = PL_bodytarget;
1217 return pop_return();
1222 djSP; dMARK; dORIGMARK;
1229 if (PL_op->op_flags & OPf_STACKED)
1234 if (mg = SvTIED_mg((SV*)gv, 'q')) {
1235 if (MARK == ORIGMARK) {
1238 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1242 *MARK = SvTIED_obj((SV*)gv, mg);
1245 perl_call_method("PRINTF", G_SCALAR);
1248 MARK = ORIGMARK + 1;
1255 if (!(io = GvIO(gv))) {
1256 if (ckWARN(WARN_UNOPENED)) {
1257 gv_fullname3(sv, gv, Nullch);
1258 warner(WARN_UNOPENED, "Filehandle %s never opened", SvPV(sv,PL_na));
1260 SETERRNO(EBADF,RMS$_IFI);
1263 else if (!(fp = IoOFP(io))) {
1264 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1265 gv_fullname3(sv, gv, Nullch);
1267 warner(WARN_IO, "Filehandle %s opened only for input",
1269 else if (ckWARN(WARN_CLOSED))
1270 warner(WARN_CLOSED, "printf on closed filehandle %s",
1273 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1277 #ifdef USE_LOCALE_NUMERIC
1278 if (PL_op->op_private & OPpLOCALE)
1279 SET_NUMERIC_LOCAL();
1281 SET_NUMERIC_STANDARD();
1283 do_sprintf(sv, SP - MARK, MARK + 1);
1284 if (!do_print(sv, fp))
1287 if (IoFLAGS(io) & IOf_FLUSH)
1288 if (PerlIO_flush(fp) == EOF)
1299 PUSHs(&PL_sv_undef);
1320 tmps = SvPV(sv, len);
1321 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1322 IoLINES(GvIOp(gv)) = 0;
1326 PUSHs(&PL_sv_undef);
1333 djSP; dMARK; dORIGMARK; dTARGET;
1339 Sock_size_t bufsize;
1345 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1346 (mg = SvTIED_mg((SV*)gv, 'q')))
1351 *MARK = SvTIED_obj((SV*)gv, mg);
1353 perl_call_method("READ", G_SCALAR);
1366 sv_setpvn(bufsv, "", 0);
1367 buffer = SvPV_force(bufsv, blen);
1368 length = SvIVx(*++MARK);
1370 DIE("Negative length");
1373 offset = SvIVx(*++MARK);
1377 if (!io || !IoIFP(io))
1380 if (PL_op->op_type == OP_RECV) {
1381 char namebuf[MAXPATHLEN];
1382 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1383 bufsize = sizeof (struct sockaddr_in);
1385 bufsize = sizeof namebuf;
1387 buffer = SvGROW(bufsv, length+1);
1388 /* 'offset' means 'flags' here */
1389 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1390 (struct sockaddr *)namebuf, &bufsize);
1393 SvCUR_set(bufsv, length);
1394 *SvEND(bufsv) = '\0';
1395 (void)SvPOK_only(bufsv);
1397 /* This should not be marked tainted if the fp is marked clean */
1398 if (!(IoFLAGS(io) & IOf_UNTAINT))
1399 SvTAINTED_on(bufsv);
1401 sv_setpvn(TARG, namebuf, bufsize);
1406 if (PL_op->op_type == OP_RECV)
1407 DIE(no_sock_func, "recv");
1411 DIE("Offset outside string");
1414 bufsize = SvCUR(bufsv);
1415 buffer = SvGROW(bufsv, length+offset+1);
1416 if (offset > bufsize) { /* Zero any newly allocated space */
1417 Zero(buffer+bufsize, offset-bufsize, char);
1419 if (PL_op->op_type == OP_SYSREAD) {
1420 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1423 #ifdef HAS_SOCKET__bad_code_maybe
1424 if (IoTYPE(io) == 's') {
1425 char namebuf[MAXPATHLEN];
1426 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1427 bufsize = sizeof (struct sockaddr_in);
1429 bufsize = sizeof namebuf;
1431 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1432 (struct sockaddr *)namebuf, &bufsize);
1437 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1438 /* fread() returns 0 on both error and EOF */
1439 if (length == 0 && PerlIO_error(IoIFP(io)))
1444 SvCUR_set(bufsv, length+offset);
1445 *SvEND(bufsv) = '\0';
1446 (void)SvPOK_only(bufsv);
1448 /* This should not be marked tainted if the fp is marked clean */
1449 if (!(IoFLAGS(io) & IOf_UNTAINT))
1450 SvTAINTED_on(bufsv);
1463 int items = (SP - PL_stack_base) - TOPMARK;
1466 PUSHs(sv_2mortal(newSViv(sv_len(*SP))));
1469 return pp_send(ARGS);
1474 djSP; dMARK; dORIGMARK; dTARGET;
1485 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1489 *MARK = SvTIED_obj((SV*)gv, mg);
1491 perl_call_method("WRITE", G_SCALAR);
1502 buffer = SvPV(bufsv, blen);
1503 length = SvIVx(*++MARK);
1505 DIE("Negative length");
1508 if (!io || !IoIFP(io)) {
1510 if (ckWARN(WARN_CLOSED)) {
1511 if (PL_op->op_type == OP_SYSWRITE)
1512 warner(WARN_CLOSED, "Syswrite on closed filehandle");
1514 warner(WARN_CLOSED, "Send on closed socket");
1517 else if (PL_op->op_type == OP_SYSWRITE) {
1519 offset = SvIVx(*++MARK);
1522 DIE("Offset outside string");
1524 } else if (offset >= blen && blen > 0)
1525 DIE("Offset outside string");
1528 if (length > blen - offset)
1529 length = blen - offset;
1530 length = PerlLIO_write(PerlIO_fileno(IoIFP(io)), buffer+offset, length);
1533 else if (SP > MARK) {
1536 sockbuf = SvPVx(*++MARK, mlen);
1537 length = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen, length,
1538 (struct sockaddr *)sockbuf, mlen);
1541 length = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1545 DIE(no_sock_func, "send");
1560 return pp_sysread(ARGS);
1571 gv = PL_last_in_gv = (GV*)POPs;
1572 PUSHs(boolSV(!gv || do_eof(gv)));
1584 gv = PL_last_in_gv = (GV*)POPs;
1585 PUSHi( do_tell(gv) );
1591 return pp_sysseek(ARGS);
1599 Off_t offset = POPl;
1601 gv = PL_last_in_gv = (GV*)POPs;
1602 if (PL_op->op_type == OP_SEEK)
1603 PUSHs(boolSV(do_seek(gv, offset, whence)));
1605 Off_t n = do_sysseek(gv, offset, whence);
1606 PUSHs((n < 0) ? &PL_sv_undef
1607 : sv_2mortal(n ? newSViv((IV)n)
1608 : newSVpv(zero_but_true, ZBTLEN)));
1616 Off_t len = (Off_t)POPn;
1621 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1622 if (PL_op->op_flags & OPf_SPECIAL) {
1623 tmpgv = gv_fetchpv(POPp, FALSE, SVt_PVIO);
1625 TAINT_PROPER("truncate");
1626 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)) ||
1628 ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1630 my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1638 if (SvTYPE(sv) == SVt_PVGV) {
1639 tmpgv = (GV*)sv; /* *main::FRED for example */
1642 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1643 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1647 name = SvPV(sv, PL_na);
1648 TAINT_PROPER("truncate");
1650 if (truncate(name, len) < 0)
1655 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1658 if (my_chsize(tmpfd, len) < 0)
1660 PerlLIO_close(tmpfd);
1669 SETERRNO(EBADF,RMS$_IFI);
1672 DIE("truncate not implemented");
1678 return pp_ioctl(ARGS);
1685 unsigned int func = U_I(POPn);
1686 int optype = PL_op->op_type;
1692 if (!io || !argsv || !IoIFP(io)) {
1693 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1697 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1700 s = SvPV_force(argsv, len);
1701 need = IOCPARM_LEN(func);
1703 s = Sv_Grow(argsv, need + 1);
1704 SvCUR_set(argsv, need);
1707 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1710 retval = SvIV(argsv);
1711 s = (char*)retval; /* ouch */
1714 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1716 if (optype == OP_IOCTL)
1718 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1720 DIE("ioctl is not implemented");
1724 #if defined(OS2) && defined(__EMX__)
1725 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1727 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1730 DIE("fcntl is not implemented");
1734 if (s[SvCUR(argsv)] != 17)
1735 DIE("Possible memory corruption: %s overflowed 3rd argument",
1737 s[SvCUR(argsv)] = 0; /* put our null back */
1738 SvSETMAGIC(argsv); /* Assume it has changed */
1747 PUSHp(zero_but_true, ZBTLEN);
1767 fp = IoIFP(GvIOp(gv));
1771 (void)PerlIO_flush(fp);
1772 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
1779 DIE(no_func, "flock()");
1791 int protocol = POPi;
1799 SETERRNO(EBADF,LIB$_INVARG);
1805 do_close(gv, FALSE);
1807 TAINT_PROPER("socket");
1808 fd = PerlSock_socket(domain, type, protocol);
1811 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
1812 IoOFP(io) = PerlIO_fdopen(fd, "w");
1814 if (!IoIFP(io) || !IoOFP(io)) {
1815 if (IoIFP(io)) PerlIO_close(IoIFP(io));
1816 if (IoOFP(io)) PerlIO_close(IoOFP(io));
1817 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
1823 DIE(no_sock_func, "socket");
1830 #ifdef HAS_SOCKETPAIR
1835 int protocol = POPi;
1848 do_close(gv1, FALSE);
1850 do_close(gv2, FALSE);
1852 TAINT_PROPER("socketpair");
1853 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
1855 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
1856 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
1858 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
1859 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
1861 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
1862 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
1863 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
1864 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
1865 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
1866 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
1867 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
1873 DIE(no_sock_func, "socketpair");
1881 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
1882 extern GETPRIVMODE();
1883 extern GETUSERMODE();
1888 register IO *io = GvIOn(gv);
1892 int mpeprivmode = 0;
1895 if (!io || !IoIFP(io))
1898 addr = SvPV(addrsv, len);
1899 TAINT_PROPER("bind");
1900 #ifdef MPE /* Deal with MPE bind() peculiarities */
1901 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
1902 /* The address *MUST* stupidly be zero. */
1903 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
1904 /* PRIV mode is required to bind() to ports < 1024. */
1905 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
1906 ((struct sockaddr_in *)addr)->sin_port > 0) {
1907 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
1912 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
1913 (struct sockaddr *)addr, len) >= 0)
1916 #ifdef MPE /* Switch back to USER mode */
1927 if (ckWARN(WARN_CLOSED))
1928 warner(WARN_CLOSED, "bind() on closed fd");
1929 SETERRNO(EBADF,SS$_IVCHAN);
1932 DIE(no_sock_func, "bind");
1943 register IO *io = GvIOn(gv);
1946 if (!io || !IoIFP(io))
1949 addr = SvPV(addrsv, len);
1950 TAINT_PROPER("connect");
1951 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
1957 if (ckWARN(WARN_CLOSED))
1958 warner(WARN_CLOSED, "connect() on closed fd");
1959 SETERRNO(EBADF,SS$_IVCHAN);
1962 DIE(no_sock_func, "connect");
1972 register IO *io = GvIOn(gv);
1974 if (!io || !IoIFP(io))
1977 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
1983 if (ckWARN(WARN_CLOSED))
1984 warner(WARN_CLOSED, "listen() on closed fd");
1985 SETERRNO(EBADF,SS$_IVCHAN);
1988 DIE(no_sock_func, "listen");
2000 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2001 Sock_size_t len = sizeof saddr;
2013 if (!gstio || !IoIFP(gstio))
2018 do_close(ngv, FALSE);
2020 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2023 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2024 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2025 IoTYPE(nstio) = 's';
2026 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2027 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2028 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2029 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2033 PUSHp((char *)&saddr, len);
2037 if (ckWARN(WARN_CLOSED))
2038 warner(WARN_CLOSED, "accept() on closed fd");
2039 SETERRNO(EBADF,SS$_IVCHAN);
2045 DIE(no_sock_func, "accept");
2055 register IO *io = GvIOn(gv);
2057 if (!io || !IoIFP(io))
2060 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2064 if (ckWARN(WARN_CLOSED))
2065 warner(WARN_CLOSED, "shutdown() on closed fd");
2066 SETERRNO(EBADF,SS$_IVCHAN);
2069 DIE(no_sock_func, "shutdown");
2076 return pp_ssockopt(ARGS);
2078 DIE(no_sock_func, "getsockopt");
2086 int optype = PL_op->op_type;
2089 unsigned int optname;
2095 if (optype == OP_GSOCKOPT)
2096 sv = sv_2mortal(NEWSV(22, 257));
2099 optname = (unsigned int) POPi;
2100 lvl = (unsigned int) POPi;
2104 if (!io || !IoIFP(io))
2107 fd = PerlIO_fileno(IoIFP(io));
2111 (void)SvPOK_only(sv);
2115 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2125 buf = SvPV(sv, PL_na);
2129 aint = (int)SvIV(sv);
2133 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2142 if (ckWARN(WARN_CLOSED))
2143 warner(WARN_CLOSED, "[gs]etsockopt() on closed fd");
2144 SETERRNO(EBADF,SS$_IVCHAN);
2149 DIE(no_sock_func, "setsockopt");
2156 return pp_getpeername(ARGS);
2158 DIE(no_sock_func, "getsockname");
2166 int optype = PL_op->op_type;
2170 register IO *io = GvIOn(gv);
2173 if (!io || !IoIFP(io))
2176 sv = sv_2mortal(NEWSV(22, 257));
2177 (void)SvPOK_only(sv);
2181 fd = PerlIO_fileno(IoIFP(io));
2183 case OP_GETSOCKNAME:
2184 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2187 case OP_GETPEERNAME:
2188 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2190 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2192 static const char nowhere[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
2193 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2194 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2195 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2196 sizeof(u_short) + sizeof(struct in_addr))) {
2203 #ifdef BOGUS_GETNAME_RETURN
2204 /* Interactive Unix, getpeername() and getsockname()
2205 does not return valid namelen */
2206 if (len == BOGUS_GETNAME_RETURN)
2207 len = sizeof(struct sockaddr);
2215 if (ckWARN(WARN_CLOSED))
2216 warner(WARN_CLOSED, "get{sock, peer}name() on closed fd");
2217 SETERRNO(EBADF,SS$_IVCHAN);
2222 DIE(no_sock_func, "getpeername");
2230 return pp_stat(ARGS);
2240 if (PL_op->op_flags & OPf_REF) {
2241 tmpgv = cGVOP->op_gv;
2243 if (tmpgv != PL_defgv) {
2244 PL_laststype = OP_STAT;
2246 sv_setpv(PL_statname, "");
2247 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2248 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2250 if (PL_laststatval < 0)
2255 if (SvTYPE(sv) == SVt_PVGV) {
2259 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2260 tmpgv = (GV*)SvRV(sv);
2263 sv_setpv(PL_statname, SvPV(sv,PL_na));
2266 PL_laststype = PL_op->op_type;
2267 if (PL_op->op_type == OP_LSTAT)
2268 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, PL_na), &PL_statcache);
2271 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, PL_na), &PL_statcache);
2272 if (PL_laststatval < 0) {
2273 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, PL_na), '\n'))
2274 warner(WARN_NEWLINE, warn_nl, "stat");
2280 if (gimme != G_ARRAY) {
2281 if (gimme != G_VOID)
2282 XPUSHs(boolSV(max));
2288 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_dev)));
2289 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ino)));
2290 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mode)));
2291 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_nlink)));
2292 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_uid)));
2293 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_gid)));
2294 #ifdef USE_STAT_RDEV
2295 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_rdev)));
2297 PUSHs(sv_2mortal(newSVpv("", 0)));
2299 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_size)));
2301 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_atime)));
2302 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_mtime)));
2303 PUSHs(sv_2mortal(newSVnv((U32)PL_statcache.st_ctime)));
2305 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_atime)));
2306 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_mtime)));
2307 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_ctime)));
2309 #ifdef USE_STAT_BLOCKS
2310 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blksize)));
2311 PUSHs(sv_2mortal(newSViv((I32)PL_statcache.st_blocks)));
2313 PUSHs(sv_2mortal(newSVpv("", 0)));
2314 PUSHs(sv_2mortal(newSVpv("", 0)));
2324 #if defined(HAS_ACCESS) && defined(R_OK)
2325 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2326 result = access(TOPp, R_OK);
2333 result = my_stat(ARGS);
2335 result = my_stat(ARGS);
2339 if (cando(S_IRUSR, 0, &PL_statcache))
2348 #if defined(HAS_ACCESS) && defined(W_OK)
2349 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2350 result = access(TOPp, W_OK);
2357 result = my_stat(ARGS);
2359 result = my_stat(ARGS);
2363 if (cando(S_IWUSR, 0, &PL_statcache))
2372 #if defined(HAS_ACCESS) && defined(X_OK)
2373 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2374 result = access(TOPp, X_OK);
2381 result = my_stat(ARGS);
2383 result = my_stat(ARGS);
2387 if (cando(S_IXUSR, 0, &PL_statcache))
2396 #ifdef PERL_EFF_ACCESS_R_OK
2397 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2398 result = PERL_EFF_ACCESS_R_OK(TOPp);
2405 result = my_stat(ARGS);
2407 result = my_stat(ARGS);
2411 if (cando(S_IRUSR, 1, &PL_statcache))
2420 #ifdef PERL_EFF_ACCESS_W_OK
2421 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2422 result = PERL_EFF_ACCESS_W_OK(TOPp);
2429 result = my_stat(ARGS);
2431 result = my_stat(ARGS);
2435 if (cando(S_IWUSR, 1, &PL_statcache))
2444 #ifdef PERL_EFF_ACCESS_X_OK
2445 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2446 result = PERL_EFF_ACCESS_X_OK(TOPp);
2453 result = my_stat(ARGS);
2455 result = my_stat(ARGS);
2459 if (cando(S_IXUSR, 1, &PL_statcache))
2466 I32 result = my_stat(ARGS);
2475 return pp_ftrowned(ARGS);
2480 I32 result = my_stat(ARGS);
2484 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ? PL_euid : PL_uid) )
2491 I32 result = my_stat(ARGS);
2495 if (!PL_statcache.st_size)
2502 I32 result = my_stat(ARGS);
2506 PUSHi(PL_statcache.st_size);
2512 I32 result = my_stat(ARGS);
2516 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_mtime) / 86400.0 );
2522 I32 result = my_stat(ARGS);
2526 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_atime) / 86400.0 );
2532 I32 result = my_stat(ARGS);
2536 PUSHn( ((I32)PL_basetime - (I32)PL_statcache.st_ctime) / 86400.0 );
2542 I32 result = my_stat(ARGS);
2546 if (S_ISSOCK(PL_statcache.st_mode))
2553 I32 result = my_stat(ARGS);
2557 if (S_ISCHR(PL_statcache.st_mode))
2564 I32 result = my_stat(ARGS);
2568 if (S_ISBLK(PL_statcache.st_mode))
2575 I32 result = my_stat(ARGS);
2579 if (S_ISREG(PL_statcache.st_mode))
2586 I32 result = my_stat(ARGS);
2590 if (S_ISDIR(PL_statcache.st_mode))
2597 I32 result = my_stat(ARGS);
2601 if (S_ISFIFO(PL_statcache.st_mode))
2608 I32 result = my_lstat(ARGS);
2612 if (S_ISLNK(PL_statcache.st_mode))
2621 I32 result = my_stat(ARGS);
2625 if (PL_statcache.st_mode & S_ISUID)
2635 I32 result = my_stat(ARGS);
2639 if (PL_statcache.st_mode & S_ISGID)
2649 I32 result = my_stat(ARGS);
2653 if (PL_statcache.st_mode & S_ISVTX)
2664 char *tmps = Nullch;
2666 if (PL_op->op_flags & OPf_REF)
2668 else if (isGV(TOPs))
2670 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2671 gv = (GV*)SvRV(POPs);
2673 gv = gv_fetchpv(tmps = POPp, FALSE, SVt_PVIO);
2675 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2676 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2677 else if (tmps && isDIGIT(*tmps))
2681 if (PerlLIO_isatty(fd))
2686 #if defined(atarist) /* this will work with atariST. Configure will
2687 make guesses for other systems. */
2688 # define FILE_base(f) ((f)->_base)
2689 # define FILE_ptr(f) ((f)->_ptr)
2690 # define FILE_cnt(f) ((f)->_cnt)
2691 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2701 register STDCHAR *s;
2706 if (PL_op->op_flags & OPf_REF)
2708 else if (isGV(TOPs))
2710 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2711 gv = (GV*)SvRV(POPs);
2717 if (gv == PL_defgv) {
2719 io = GvIO(PL_statgv);
2722 goto really_filename;
2727 PL_laststatval = -1;
2728 sv_setpv(PL_statname, "");
2729 io = GvIO(PL_statgv);
2731 if (io && IoIFP(io)) {
2732 if (! PerlIO_has_base(IoIFP(io)))
2733 DIE("-T and -B not implemented on filehandles");
2734 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
2735 if (PL_laststatval < 0)
2737 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
2738 if (PL_op->op_type == OP_FTTEXT)
2742 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
2743 i = PerlIO_getc(IoIFP(io));
2745 (void)PerlIO_ungetc(IoIFP(io),i);
2747 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
2749 len = PerlIO_get_bufsiz(IoIFP(io));
2750 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
2751 /* sfio can have large buffers - limit to 512 */
2756 if (ckWARN(WARN_UNOPENED))
2757 warner(WARN_UNOPENED, "Test on unopened file <%s>",
2758 GvENAME(cGVOP->op_gv));
2759 SETERRNO(EBADF,RMS$_IFI);
2767 PL_laststatval = -1;
2768 sv_setpv(PL_statname, SvPV(sv, PL_na));
2770 i = PerlLIO_open3(SvPV(sv, PL_na), O_RDONLY, 0);
2772 i = PerlLIO_open(SvPV(sv, PL_na), 0);
2775 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, PL_na), '\n'))
2776 warner(WARN_NEWLINE, warn_nl, "open");
2779 PL_laststatval = PerlLIO_fstat(i, &PL_statcache);
2780 if (PL_laststatval < 0)
2782 len = PerlLIO_read(i, tbuf, 512);
2783 (void)PerlLIO_close(i);
2785 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
2786 RETPUSHNO; /* special case NFS directories */
2787 RETPUSHYES; /* null file is anything */
2792 /* now scan s to look for textiness */
2793 /* XXX ASCII dependent code */
2795 for (i = 0; i < len; i++, s++) {
2796 if (!*s) { /* null never allowed in text */
2801 else if (!(isPRINT(*s) || isSPACE(*s)))
2807 *s != '\n' && *s != '\r' && *s != '\b' &&
2808 *s != '\t' && *s != '\f' && *s != 27)
2813 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
2821 return pp_fttext(ARGS);
2836 if (!tmps || !*tmps) {
2837 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
2839 tmps = SvPV(*svp, PL_na);
2841 if (!tmps || !*tmps) {
2842 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
2844 tmps = SvPV(*svp, PL_na);
2847 if (!tmps || !*tmps) {
2848 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
2850 tmps = SvPV(*svp, PL_na);
2853 TAINT_PROPER("chdir");
2854 PUSHi( PerlDir_chdir(tmps) >= 0 );
2856 /* Clear the DEFAULT element of ENV so we'll get the new value
2858 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
2865 djSP; dMARK; dTARGET;
2868 value = (I32)apply(PL_op->op_type, MARK, SP);
2873 DIE(no_func, "Unsupported function chown");
2883 TAINT_PROPER("chroot");
2884 PUSHi( chroot(tmps) >= 0 );
2887 DIE(no_func, "chroot");
2893 djSP; dMARK; dTARGET;
2895 value = (I32)apply(PL_op->op_type, MARK, SP);
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);
2927 char *tmps = SvPV(TOPs, PL_na);
2928 TAINT_PROPER("rename");
2930 anum = PerlLIO_rename(tmps, tmps2);
2932 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
2933 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
2936 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
2937 (void)UNLINK(tmps2);
2938 if (!(anum = link(tmps, tmps2)))
2939 anum = UNLINK(tmps);
2952 char *tmps = SvPV(TOPs, PL_na);
2953 TAINT_PROPER("link");
2954 SETi( link(tmps, tmps2) >= 0 );
2956 DIE(no_func, "Unsupported function link");
2966 char *tmps = SvPV(TOPs, PL_na);
2967 TAINT_PROPER("symlink");
2968 SETi( symlink(tmps, tmps2) >= 0 );
2971 DIE(no_func, "symlink");
2980 char buf[MAXPATHLEN];
2983 #ifndef INCOMPLETE_TAINTS
2987 len = readlink(tmps, buf, sizeof buf);
2995 RETSETUNDEF; /* just pretend it's a normal file */
2999 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3001 dooneliner(cmd, filename)
3005 char *save_filename = filename;
3011 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3012 strcpy(cmdline, cmd);
3013 strcat(cmdline, " ");
3014 for (s = cmdline + strlen(cmdline); *filename; ) {
3019 myfp = PerlProc_popen(cmdline, "r");
3023 SV *tmpsv = sv_newmortal();
3024 /* Need to save/restore 'PL_rs' ?? */
3025 s = sv_gets(tmpsv, myfp, 0);
3026 (void)PerlProc_pclose(myfp);
3030 #ifdef HAS_SYS_ERRLIST
3035 /* you don't see this */
3037 #ifdef HAS_SYS_ERRLIST
3045 if (instr(s, errmsg)) {
3052 #define EACCES EPERM
3054 if (instr(s, "cannot make"))
3055 SETERRNO(EEXIST,RMS$_FEX);
3056 else if (instr(s, "existing file"))
3057 SETERRNO(EEXIST,RMS$_FEX);
3058 else if (instr(s, "ile exists"))
3059 SETERRNO(EEXIST,RMS$_FEX);
3060 else if (instr(s, "non-exist"))
3061 SETERRNO(ENOENT,RMS$_FNF);
3062 else if (instr(s, "does not exist"))
3063 SETERRNO(ENOENT,RMS$_FNF);
3064 else if (instr(s, "not empty"))
3065 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3066 else if (instr(s, "cannot access"))
3067 SETERRNO(EACCES,RMS$_PRV);
3069 SETERRNO(EPERM,RMS$_PRV);
3072 else { /* some mkdirs return no failure indication */
3073 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3074 if (PL_op->op_type == OP_RMDIR)
3079 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3095 char *tmps = SvPV(TOPs, PL_na);
3097 TAINT_PROPER("mkdir");
3099 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3101 SETi( dooneliner("mkdir", tmps) );
3102 oldumask = PerlLIO_umask(0);
3103 PerlLIO_umask(oldumask);
3104 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3115 TAINT_PROPER("rmdir");
3117 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3119 XPUSHi( dooneliner("rmdir", tmps) );
3124 /* Directory calls. */
3129 #if defined(Direntry_t) && defined(HAS_READDIR)
3130 char *dirname = POPp;
3132 register IO *io = GvIOn(gv);
3138 PerlDir_close(IoDIRP(io));
3139 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3145 SETERRNO(EBADF,RMS$_DIR);
3148 DIE(no_dir_func, "opendir");
3155 #if defined(Direntry_t) && defined(HAS_READDIR)
3157 Direntry_t *readdir _((DIR *));
3159 register Direntry_t *dp;
3161 register IO *io = GvIOn(gv);
3164 if (!io || !IoDIRP(io))
3167 if (GIMME == G_ARRAY) {
3169 while (dp = (Direntry_t *)PerlDir_read(IoDIRP(io))) {
3171 sv = newSVpv(dp->d_name, dp->d_namlen);
3173 sv = newSVpv(dp->d_name, 0);
3175 #ifndef INCOMPLETE_TAINTS
3178 XPUSHs(sv_2mortal(sv));
3182 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3185 sv = newSVpv(dp->d_name, dp->d_namlen);
3187 sv = newSVpv(dp->d_name, 0);
3189 #ifndef INCOMPLETE_TAINTS
3192 XPUSHs(sv_2mortal(sv));
3198 SETERRNO(EBADF,RMS$_ISI);
3199 if (GIMME == G_ARRAY)
3204 DIE(no_dir_func, "readdir");
3211 #if defined(HAS_TELLDIR) || defined(telldir)
3212 # ifdef NEED_TELLDIR_PROTO /* XXX does _anyone_ need this? --AD 2/20/1998 */
3213 long telldir _((DIR *));
3216 register IO *io = GvIOn(gv);
3218 if (!io || !IoDIRP(io))
3221 PUSHi( PerlDir_tell(IoDIRP(io)) );
3225 SETERRNO(EBADF,RMS$_ISI);
3228 DIE(no_dir_func, "telldir");
3235 #if defined(HAS_SEEKDIR) || defined(seekdir)
3238 register IO *io = GvIOn(gv);
3240 if (!io || !IoDIRP(io))
3243 (void)PerlDir_seek(IoDIRP(io), along);
3248 SETERRNO(EBADF,RMS$_ISI);
3251 DIE(no_dir_func, "seekdir");
3258 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3260 register IO *io = GvIOn(gv);
3262 if (!io || !IoDIRP(io))
3265 (void)PerlDir_rewind(IoDIRP(io));
3269 SETERRNO(EBADF,RMS$_ISI);
3272 DIE(no_dir_func, "rewinddir");
3279 #if defined(Direntry_t) && defined(HAS_READDIR)
3281 register IO *io = GvIOn(gv);
3283 if (!io || !IoDIRP(io))
3286 #ifdef VOID_CLOSEDIR
3287 PerlDir_close(IoDIRP(io));
3289 if (PerlDir_close(IoDIRP(io)) < 0) {
3290 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3299 SETERRNO(EBADF,RMS$_IFI);
3302 DIE(no_dir_func, "closedir");
3306 /* Process control. */
3321 if (tmpgv = gv_fetchpv("$", TRUE, SVt_PV))
3322 sv_setiv(GvSV(tmpgv), (IV)getpid());
3323 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3328 DIE(no_func, "Unsupported function fork");
3334 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3339 childpid = wait4pid(-1, &argflags, 0);
3340 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3344 DIE(no_func, "Unsupported function wait");
3350 #if !defined(DOSISH) || defined(OS2) || defined(WIN32)
3358 childpid = wait4pid(childpid, &argflags, optype);
3359 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3363 DIE(no_func, "Unsupported function waitpid");
3369 djSP; dMARK; dORIGMARK; dTARGET;
3374 Sigsave_t ihand,qhand; /* place to save signals during system() */
3376 if (SP - MARK == 1) {
3378 char *junk = SvPV(TOPs, PL_na);
3380 TAINT_PROPER("system");
3383 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3384 while ((childpid = vfork()) == -1) {
3385 if (errno != EAGAIN) {
3394 rsignal_save(SIGINT, SIG_IGN, &ihand);
3395 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3397 result = wait4pid(childpid, &status, 0);
3398 } while (result == -1 && errno == EINTR);
3399 (void)rsignal_restore(SIGINT, &ihand);
3400 (void)rsignal_restore(SIGQUIT, &qhand);
3401 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3402 do_execfree(); /* free any memory child malloced on vfork */
3404 PUSHi(STATUS_CURRENT);
3407 if (PL_op->op_flags & OPf_STACKED) {
3408 SV *really = *++MARK;
3409 value = (I32)do_aexec(really, MARK, SP);
3411 else if (SP - MARK != 1)
3412 value = (I32)do_aexec(Nullsv, MARK, SP);
3414 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3417 #else /* ! FORK or VMS or OS/2 */
3418 if (PL_op->op_flags & OPf_STACKED) {
3419 SV *really = *++MARK;
3420 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3422 else if (SP - MARK != 1)
3423 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3425 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), PL_na));
3427 STATUS_NATIVE_SET(value);
3430 PUSHi(STATUS_CURRENT);
3431 #endif /* !FORK or VMS */
3437 djSP; dMARK; dORIGMARK; dTARGET;
3440 if (PL_op->op_flags & OPf_STACKED) {
3441 SV *really = *++MARK;
3442 value = (I32)do_aexec(really, MARK, SP);
3444 else if (SP - MARK != 1)
3446 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3450 (void ) do_aspawn(Nullsv, MARK, SP);
3454 value = (I32)do_aexec(Nullsv, MARK, SP);
3459 char *junk = SvPV(*SP, PL_na);
3461 TAINT_PROPER("exec");
3464 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3467 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), PL_na));
3470 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), PL_na));
3481 djSP; dMARK; dTARGET;
3484 value = (I32)apply(PL_op->op_type, MARK, SP);
3489 DIE(no_func, "Unsupported function kill");
3497 XPUSHi( getppid() );
3500 DIE(no_func, "getppid");
3516 value = (I32)BSD_GETPGRP(pid);
3518 if (pid != 0 && pid != getpid())
3519 DIE("POSIX getpgrp can't take an argument");
3520 value = (I32)getpgrp();
3525 DIE(no_func, "getpgrp()");
3544 TAINT_PROPER("setpgrp");
3546 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3548 if ((pgrp != 0 && pgrp != getpid()) || (pid != 0 && pid != getpid()))
3549 DIE("POSIX setpgrp can't take an argument");
3550 SETi( setpgrp() >= 0 );
3551 #endif /* USE_BSDPGRP */
3554 DIE(no_func, "setpgrp()");
3563 #ifdef HAS_GETPRIORITY
3566 SETi( getpriority(which, who) );
3569 DIE(no_func, "getpriority()");
3579 #ifdef HAS_SETPRIORITY
3583 TAINT_PROPER("setpriority");
3584 SETi( setpriority(which, who, niceval) >= 0 );
3587 DIE(no_func, "setpriority()");
3597 XPUSHn( time(Null(Time_t*)) );
3599 XPUSHi( time(Null(Time_t*)) );
3604 /* XXX The POSIX name is CLK_TCK; it is to be preferred
3605 to HZ. Probably. For now, assume that if the system
3606 defines HZ, it does so correctly. (Will this break
3608 Probably we ought to use _sysconf(_SC_CLK_TCK), if
3609 it's supported. --AD 9/96.
3625 DIE("times not implemented");
3630 (void)PerlProc_times(&PL_timesbuf);
3632 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
3633 /* struct tms, though same data */
3637 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_utime)/HZ)));
3638 if (GIMME == G_ARRAY) {
3639 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_stime)/HZ)));
3640 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cutime)/HZ)));
3641 PUSHs(sv_2mortal(newSVnv(((double)PL_timesbuf.tms_cstime)/HZ)));
3644 #endif /* HAS_TIMES */
3649 return pp_gmtime(ARGS);
3657 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
3658 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
3659 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
3665 when = (Time_t)SvNVx(POPs);
3667 when = (Time_t)SvIVx(POPs);
3670 if (PL_op->op_type == OP_LOCALTIME)
3671 tmbuf = localtime(&when);
3673 tmbuf = gmtime(&when);
3677 if (GIMME != G_ARRAY) {
3682 tsv = newSVpvf("%s %s %2d %02d:%02d:%02d %d",
3683 dayname[tmbuf->tm_wday],
3684 monname[tmbuf->tm_mon],
3689 tmbuf->tm_year + 1900);
3690 PUSHs(sv_2mortal(tsv));
3693 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_sec)));
3694 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_min)));
3695 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_hour)));
3696 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mday)));
3697 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_mon)));
3698 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_year)));
3699 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_wday)));
3700 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_yday)));
3701 PUSHs(sv_2mortal(newSViv((I32)tmbuf->tm_isdst)));
3712 anum = alarm((unsigned int)anum);
3719 DIE(no_func, "Unsupported function alarm");
3730 (void)time(&lasttime);
3735 PerlProc_sleep((unsigned int)duration);
3738 XPUSHi(when - lasttime);
3742 /* Shared memory. */
3746 return pp_semget(ARGS);
3751 return pp_semctl(ARGS);
3756 return pp_shmwrite(ARGS);
3761 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3762 djSP; dMARK; dTARGET;
3763 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
3768 return pp_semget(ARGS);
3772 /* Message passing. */
3776 return pp_semget(ARGS);
3781 return pp_semctl(ARGS);
3786 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3787 djSP; dMARK; dTARGET;
3788 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
3793 return pp_semget(ARGS);
3799 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3800 djSP; dMARK; dTARGET;
3801 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
3806 return pp_semget(ARGS);
3814 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3815 djSP; dMARK; dTARGET;
3816 int anum = do_ipcget(PL_op->op_type, MARK, SP);
3823 DIE("System V IPC is not implemented on this machine");
3829 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3830 djSP; dMARK; dTARGET;
3831 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
3839 PUSHp(zero_but_true, ZBTLEN);
3843 return pp_semget(ARGS);
3849 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
3850 djSP; dMARK; dTARGET;
3851 I32 value = (I32)(do_semop(MARK, SP) >= 0);
3856 return pp_semget(ARGS);
3860 /* Get system info. */
3864 #ifdef HAS_GETHOSTBYNAME
3865 return pp_ghostent(ARGS);
3867 DIE(no_sock_func, "gethostbyname");
3873 #ifdef HAS_GETHOSTBYADDR
3874 return pp_ghostent(ARGS);
3876 DIE(no_sock_func, "gethostbyaddr");
3883 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
3884 I32 which = PL_op->op_type;
3885 register char **elem;
3887 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
3888 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
3889 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
3890 struct hostent *PerlSock_gethostent(void);
3892 struct hostent *hent;
3896 if (which == OP_GHBYNAME)
3897 #ifdef HAS_GETHOSTBYNAME
3898 hent = PerlSock_gethostbyname(POPp);
3900 DIE(no_sock_func, "gethostbyname");
3902 else if (which == OP_GHBYADDR) {
3903 #ifdef HAS_GETHOSTBYADDR
3904 int addrtype = POPi;
3907 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
3909 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
3911 DIE(no_sock_func, "gethostbyaddr");
3915 #ifdef HAS_GETHOSTENT
3916 hent = PerlSock_gethostent();
3918 DIE(no_sock_func, "gethostent");
3921 #ifdef HOST_NOT_FOUND
3923 STATUS_NATIVE_SET(h_errno);
3926 if (GIMME != G_ARRAY) {
3927 PUSHs(sv = sv_newmortal());
3929 if (which == OP_GHBYNAME) {
3931 sv_setpvn(sv, hent->h_addr, hent->h_length);
3934 sv_setpv(sv, (char*)hent->h_name);
3940 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3941 sv_setpv(sv, (char*)hent->h_name);
3942 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3943 for (elem = hent->h_aliases; elem && *elem; elem++) {
3944 sv_catpv(sv, *elem);
3946 sv_catpvn(sv, " ", 1);
3948 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3949 sv_setiv(sv, (IV)hent->h_addrtype);
3950 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3951 len = hent->h_length;
3952 sv_setiv(sv, (IV)len);
3954 for (elem = hent->h_addr_list; elem && *elem; elem++) {
3955 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
3956 sv_setpvn(sv, *elem, len);
3959 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
3961 sv_setpvn(sv, hent->h_addr, len);
3966 DIE(no_sock_func, "gethostent");
3972 #ifdef HAS_GETNETBYNAME
3973 return pp_gnetent(ARGS);
3975 DIE(no_sock_func, "getnetbyname");
3981 #ifdef HAS_GETNETBYADDR
3982 return pp_gnetent(ARGS);
3984 DIE(no_sock_func, "getnetbyaddr");
3991 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
3992 I32 which = PL_op->op_type;
3993 register char **elem;
3995 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
3996 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
3997 struct netent *PerlSock_getnetbyname(Netdb_name_t);
3998 struct netent *PerlSock_getnetent(void);
4000 struct netent *nent;
4002 if (which == OP_GNBYNAME)
4003 #ifdef HAS_GETNETBYNAME
4004 nent = PerlSock_getnetbyname(POPp);
4006 DIE(no_sock_func, "getnetbyname");
4008 else if (which == OP_GNBYADDR) {
4009 #ifdef HAS_GETNETBYADDR
4010 int addrtype = POPi;
4011 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4012 nent = PerlSock_getnetbyaddr(addr, addrtype);
4014 DIE(no_sock_func, "getnetbyaddr");
4018 #ifdef HAS_GETNETENT
4019 nent = PerlSock_getnetent();
4021 DIE(no_sock_func, "getnetent");
4025 if (GIMME != G_ARRAY) {
4026 PUSHs(sv = sv_newmortal());
4028 if (which == OP_GNBYNAME)
4029 sv_setiv(sv, (IV)nent->n_net);
4031 sv_setpv(sv, nent->n_name);
4037 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4038 sv_setpv(sv, nent->n_name);
4039 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4040 for (elem = nent->n_aliases; elem && *elem; elem++) {
4041 sv_catpv(sv, *elem);
4043 sv_catpvn(sv, " ", 1);
4045 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4046 sv_setiv(sv, (IV)nent->n_addrtype);
4047 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4048 sv_setiv(sv, (IV)nent->n_net);
4053 DIE(no_sock_func, "getnetent");
4059 #ifdef HAS_GETPROTOBYNAME
4060 return pp_gprotoent(ARGS);
4062 DIE(no_sock_func, "getprotobyname");
4068 #ifdef HAS_GETPROTOBYNUMBER
4069 return pp_gprotoent(ARGS);
4071 DIE(no_sock_func, "getprotobynumber");
4078 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4079 I32 which = PL_op->op_type;
4080 register char **elem;
4082 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4083 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4084 struct protoent *PerlSock_getprotobynumber(int);
4085 struct protoent *PerlSock_getprotoent(void);
4087 struct protoent *pent;
4089 if (which == OP_GPBYNAME)
4090 #ifdef HAS_GETPROTOBYNAME
4091 pent = PerlSock_getprotobyname(POPp);
4093 DIE(no_sock_func, "getprotobyname");
4095 else if (which == OP_GPBYNUMBER)
4096 #ifdef HAS_GETPROTOBYNUMBER
4097 pent = PerlSock_getprotobynumber(POPi);
4099 DIE(no_sock_func, "getprotobynumber");
4102 #ifdef HAS_GETPROTOENT
4103 pent = PerlSock_getprotoent();
4105 DIE(no_sock_func, "getprotoent");
4109 if (GIMME != G_ARRAY) {
4110 PUSHs(sv = sv_newmortal());
4112 if (which == OP_GPBYNAME)
4113 sv_setiv(sv, (IV)pent->p_proto);
4115 sv_setpv(sv, pent->p_name);
4121 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4122 sv_setpv(sv, pent->p_name);
4123 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4124 for (elem = pent->p_aliases; elem && *elem; elem++) {
4125 sv_catpv(sv, *elem);
4127 sv_catpvn(sv, " ", 1);
4129 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4130 sv_setiv(sv, (IV)pent->p_proto);
4135 DIE(no_sock_func, "getprotoent");
4141 #ifdef HAS_GETSERVBYNAME
4142 return pp_gservent(ARGS);
4144 DIE(no_sock_func, "getservbyname");
4150 #ifdef HAS_GETSERVBYPORT
4151 return pp_gservent(ARGS);
4153 DIE(no_sock_func, "getservbyport");
4160 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4161 I32 which = PL_op->op_type;
4162 register char **elem;
4164 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4165 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4166 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4167 struct servent *PerlSock_getservent(void);
4169 struct servent *sent;
4171 if (which == OP_GSBYNAME) {
4172 #ifdef HAS_GETSERVBYNAME
4176 if (proto && !*proto)
4179 sent = PerlSock_getservbyname(name, proto);
4181 DIE(no_sock_func, "getservbyname");
4184 else if (which == OP_GSBYPORT) {
4185 #ifdef HAS_GETSERVBYPORT
4187 unsigned short port = POPu;
4190 port = PerlSock_htons(port);
4192 sent = PerlSock_getservbyport(port, proto);
4194 DIE(no_sock_func, "getservbyport");
4198 #ifdef HAS_GETSERVENT
4199 sent = PerlSock_getservent();
4201 DIE(no_sock_func, "getservent");
4205 if (GIMME != G_ARRAY) {
4206 PUSHs(sv = sv_newmortal());
4208 if (which == OP_GSBYNAME) {
4210 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4212 sv_setiv(sv, (IV)(sent->s_port));
4216 sv_setpv(sv, sent->s_name);
4222 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4223 sv_setpv(sv, sent->s_name);
4224 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4225 for (elem = sent->s_aliases; elem && *elem; elem++) {
4226 sv_catpv(sv, *elem);
4228 sv_catpvn(sv, " ", 1);
4230 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4232 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4234 sv_setiv(sv, (IV)(sent->s_port));
4236 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4237 sv_setpv(sv, sent->s_proto);
4242 DIE(no_sock_func, "getservent");
4249 #ifdef HAS_SETHOSTENT
4250 PerlSock_sethostent(TOPi);
4253 DIE(no_sock_func, "sethostent");
4260 #ifdef HAS_SETNETENT
4261 PerlSock_setnetent(TOPi);
4264 DIE(no_sock_func, "setnetent");
4271 #ifdef HAS_SETPROTOENT
4272 PerlSock_setprotoent(TOPi);
4275 DIE(no_sock_func, "setprotoent");
4282 #ifdef HAS_SETSERVENT
4283 PerlSock_setservent(TOPi);
4286 DIE(no_sock_func, "setservent");
4293 #ifdef HAS_ENDHOSTENT
4294 PerlSock_endhostent();
4298 DIE(no_sock_func, "endhostent");
4305 #ifdef HAS_ENDNETENT
4306 PerlSock_endnetent();
4310 DIE(no_sock_func, "endnetent");
4317 #ifdef HAS_ENDPROTOENT
4318 PerlSock_endprotoent();
4322 DIE(no_sock_func, "endprotoent");
4329 #ifdef HAS_ENDSERVENT
4330 PerlSock_endservent();
4334 DIE(no_sock_func, "endservent");
4341 return pp_gpwent(ARGS);
4343 DIE(no_func, "getpwnam");
4350 return pp_gpwent(ARGS);
4352 DIE(no_func, "getpwuid");
4359 #if defined(HAS_PASSWD) && defined(HAS_GETPWENT)
4360 I32 which = PL_op->op_type;
4362 struct passwd *pwent;
4364 if (which == OP_GPWNAM)
4365 pwent = getpwnam(POPp);
4366 else if (which == OP_GPWUID)
4367 pwent = getpwuid(POPi);
4369 pwent = (struct passwd *)getpwent();
4372 if (GIMME != G_ARRAY) {
4373 PUSHs(sv = sv_newmortal());
4375 if (which == OP_GPWNAM)
4376 sv_setiv(sv, (IV)pwent->pw_uid);
4378 sv_setpv(sv, pwent->pw_name);
4384 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4385 sv_setpv(sv, pwent->pw_name);
4387 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4389 sv_setpv(sv, pwent->pw_passwd);
4392 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4393 sv_setiv(sv, (IV)pwent->pw_uid);
4395 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4396 sv_setiv(sv, (IV)pwent->pw_gid);
4398 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4399 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4401 sv_setiv(sv, (IV)pwent->pw_change);
4404 sv_setiv(sv, (IV)pwent->pw_quota);
4407 sv_setpv(sv, pwent->pw_age);
4412 /* pw_class and pw_comment are mutually exclusive. */
4413 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4415 sv_setpv(sv, pwent->pw_class);
4418 sv_setpv(sv, pwent->pw_comment);
4422 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4424 sv_setpv(sv, pwent->pw_gecos);
4426 #ifndef INCOMPLETE_TAINTS
4427 /* pw_gecos is tainted because user himself can diddle with it. */
4431 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4432 sv_setpv(sv, pwent->pw_dir);
4434 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4435 sv_setpv(sv, pwent->pw_shell);
4438 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4439 sv_setiv(sv, (IV)pwent->pw_expire);
4444 DIE(no_func, "getpwent");
4451 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT) && !defined(CYGWIN32)
4455 DIE(no_func, "setpwent");
4462 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4466 DIE(no_func, "endpwent");
4473 return pp_ggrent(ARGS);
4475 DIE(no_func, "getgrnam");
4482 return pp_ggrent(ARGS);
4484 DIE(no_func, "getgrgid");
4491 #if defined(HAS_GROUP) && defined(HAS_GETGRENT)
4492 I32 which = PL_op->op_type;
4493 register char **elem;
4495 struct group *grent;
4497 if (which == OP_GGRNAM)
4498 grent = (struct group *)getgrnam(POPp);
4499 else if (which == OP_GGRGID)
4500 grent = (struct group *)getgrgid(POPi);
4502 grent = (struct group *)getgrent();
4505 if (GIMME != G_ARRAY) {
4506 PUSHs(sv = sv_newmortal());
4508 if (which == OP_GGRNAM)
4509 sv_setiv(sv, (IV)grent->gr_gid);
4511 sv_setpv(sv, grent->gr_name);
4517 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4518 sv_setpv(sv, grent->gr_name);
4520 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4522 sv_setpv(sv, grent->gr_passwd);
4525 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4526 sv_setiv(sv, (IV)grent->gr_gid);
4528 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4529 for (elem = grent->gr_mem; elem && *elem; elem++) {
4530 sv_catpv(sv, *elem);
4532 sv_catpvn(sv, " ", 1);
4538 DIE(no_func, "getgrent");
4545 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
4549 DIE(no_func, "setgrent");
4556 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
4560 DIE(no_func, "endgrent");
4570 if (!(tmps = PerlProc_getlogin()))
4572 PUSHp(tmps, strlen(tmps));
4575 DIE(no_func, "getlogin");
4579 /* Miscellaneous. */
4584 djSP; dMARK; dORIGMARK; dTARGET;
4585 register I32 items = SP - MARK;
4586 unsigned long a[20];
4592 while (++MARK <= SP) {
4593 if (SvTAINTED(*MARK)) {
4599 TAINT_PROPER("syscall");
4602 /* This probably won't work on machines where sizeof(long) != sizeof(int)
4603 * or where sizeof(long) != sizeof(char*). But such machines will
4604 * not likely have syscall implemented either, so who cares?
4606 while (++MARK <= SP) {
4607 if (SvNIOK(*MARK) || !i)
4608 a[i++] = SvIV(*MARK);
4609 else if (*MARK == &PL_sv_undef)
4612 a[i++] = (unsigned long)SvPV_force(*MARK, PL_na);
4618 DIE("Too many args to syscall");
4620 DIE("Too few args to syscall");
4622 retval = syscall(a[0]);
4625 retval = syscall(a[0],a[1]);
4628 retval = syscall(a[0],a[1],a[2]);
4631 retval = syscall(a[0],a[1],a[2],a[3]);
4634 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
4637 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
4640 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
4643 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
4647 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
4650 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
4653 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4657 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4661 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4665 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
4666 a[10],a[11],a[12],a[13]);
4668 #endif /* atarist */
4674 DIE(no_func, "syscall");
4678 #ifdef FCNTL_EMULATE_FLOCK
4680 /* XXX Emulate flock() with fcntl().
4681 What's really needed is a good file locking module.
4685 fcntl_emulate_flock(int fd, int operation)
4689 switch (operation & ~LOCK_NB) {
4691 flock.l_type = F_RDLCK;
4694 flock.l_type = F_WRLCK;
4697 flock.l_type = F_UNLCK;
4703 flock.l_whence = SEEK_SET;
4704 flock.l_start = flock.l_len = 0L;
4706 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
4709 #endif /* FCNTL_EMULATE_FLOCK */
4711 #ifdef LOCKF_EMULATE_FLOCK
4713 /* XXX Emulate flock() with lockf(). This is just to increase
4714 portability of scripts. The calls are not completely
4715 interchangeable. What's really needed is a good file
4719 /* The lockf() constants might have been defined in <unistd.h>.
4720 Unfortunately, <unistd.h> causes troubles on some mixed
4721 (BSD/POSIX) systems, such as SunOS 4.1.3.
4723 Further, the lockf() constants aren't POSIX, so they might not be
4724 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
4725 just stick in the SVID values and be done with it. Sigh.
4729 # define F_ULOCK 0 /* Unlock a previously locked region */
4732 # define F_LOCK 1 /* Lock a region for exclusive use */
4735 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
4738 # define F_TEST 3 /* Test a region for other processes locks */
4742 lockf_emulate_flock (fd, operation)
4750 /* flock locks entire file so for lockf we need to do the same */
4752 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
4753 if (pos > 0) /* is seekable and needs to be repositioned */
4754 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
4755 pos = -1; /* seek failed, so don't seek back afterwards */
4758 switch (operation) {
4760 /* LOCK_SH - get a shared lock */
4762 /* LOCK_EX - get an exclusive lock */
4764 i = lockf (fd, F_LOCK, 0);
4767 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
4768 case LOCK_SH|LOCK_NB:
4769 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
4770 case LOCK_EX|LOCK_NB:
4771 i = lockf (fd, F_TLOCK, 0);
4773 if ((errno == EAGAIN) || (errno == EACCES))
4774 errno = EWOULDBLOCK;
4777 /* LOCK_UN - unlock (non-blocking is a no-op) */
4779 case LOCK_UN|LOCK_NB:
4780 i = lockf (fd, F_ULOCK, 0);
4783 /* Default - can't decipher operation */
4790 if (pos > 0) /* need to restore position of the handle */
4791 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
4796 #endif /* LOCKF_EMULATE_FLOCK */