3 * Copyright (c) 1991-2000, 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.
18 #define PERL_IN_PP_SYS_C
22 /* Shadow password support for solaris - pdo@cs.umd.edu
23 * Not just Solaris: at least HP-UX, IRIX, Linux.
24 * the API is from SysV. --jhi */
26 /* There is a MAXINT coming from <shadow.h> <- <hpsecurity.h> <- <values.h>
27 * and another MAXINT from "perl.h" <- <sys/param.h>. */
33 /* XXX If this causes problems, set i_unistd=undef in the hint file. */
40 extern "C" int syscall(unsigned long,...);
45 # include <sys/wait.h>
49 # include <sys/resource.h>
52 #if defined(HAS_SOCKET) && !defined(VMS) /* VMS handles sockets via vmsish.h */
53 # include <sys/socket.h>
54 # if defined(USE_SOCKS) && defined(I_SOCKS)
62 # include <net/errno.h>
69 #include <sys/select.h>
73 /* XXX Configure test needed.
74 h_errno might not be a simple 'int', especially for multi-threaded
75 applications, see "extern int errno in perl.h". Creating such
76 a test requires taking into account the differences between
77 compiling multithreaded and singlethreaded ($ccflags et al).
78 HOST_NOT_FOUND is typically defined in <netdb.h>.
80 #if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
88 struct passwd *getpwnam (char *);
89 struct passwd *getpwuid (Uid_t);
92 struct passwd *getpwent (void);
100 struct group *getgrnam (char *);
101 struct group *getgrgid (Gid_t);
104 struct group *getgrent (void);
109 # if defined(_MSC_VER) || defined(__MINGW32__)
110 # include <sys/utime.h>
116 /* Put this after #includes because fork and vfork prototypes may conflict. */
122 # ifdef my_chsize /* Probably #defined to Perl_my_chsize in embed.h */
125 # define my_chsize PerlLIO_chsize
130 #else /* no flock() */
132 /* fcntl.h might not have been included, even if it exists, because
133 the current Configure only sets I_FCNTL if it's needed to pick up
134 the *_OK constants. Make sure it has been included before testing
135 the fcntl() locking constants. */
136 # if defined(HAS_FCNTL) && !defined(I_FCNTL)
140 # if defined(HAS_FCNTL) && defined(F_SETLK) && defined (F_SETLKW)
141 # define FLOCK fcntl_emulate_flock
142 # define FCNTL_EMULATE_FLOCK
143 # else /* no flock() or fcntl(F_SETLK,...) */
145 # define FLOCK lockf_emulate_flock
146 # define LOCKF_EMULATE_FLOCK
148 # endif /* no flock() or fcntl(F_SETLK,...) */
151 static int FLOCK (int, int);
154 * These are the flock() constants. Since this sytems doesn't have
155 * flock(), the values of the constants are probably not available.
169 # endif /* emulating flock() */
171 #endif /* no flock() */
174 static char zero_but_true[ZBTLEN + 1] = "0 but true";
176 #if defined(I_SYS_ACCESS) && !defined(R_OK)
177 # include <sys/access.h>
180 #if defined(HAS_FCNTL) && defined(F_SETFD) && !defined(FD_CLOEXEC)
181 # define FD_CLOEXEC 1 /* NeXT needs this */
184 #undef PERL_EFF_ACCESS_R_OK /* EFFective uid/gid ACCESS R_OK */
185 #undef PERL_EFF_ACCESS_W_OK
186 #undef PERL_EFF_ACCESS_X_OK
188 /* F_OK unused: if stat() cannot find it... */
190 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) && defined(EFF_ONLY_OK) && !defined(NO_EFF_ONLY_OK)
191 /* Digital UNIX (when the EFF_ONLY_OK gets fixed), UnixWare */
192 # define PERL_EFF_ACCESS_R_OK(p) (access((p), R_OK | EFF_ONLY_OK))
193 # define PERL_EFF_ACCESS_W_OK(p) (access((p), W_OK | EFF_ONLY_OK))
194 # define PERL_EFF_ACCESS_X_OK(p) (access((p), X_OK | EFF_ONLY_OK))
197 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_EACCESS)
198 # if defined(I_SYS_SECURITY)
199 # include <sys/security.h>
203 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
204 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
205 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
208 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
209 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
210 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
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 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
228 Uid_t ruid = getuid();
229 Uid_t euid = geteuid();
230 Gid_t rgid = getgid();
231 Gid_t egid = getegid();
235 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
236 Perl_croak(aTHX_ "switching effective uid is not implemented");
239 if (setreuid(euid, ruid))
242 if (setresuid(euid, ruid, (Uid_t)-1))
245 Perl_croak(aTHX_ "entering effective uid failed");
248 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
249 Perl_croak(aTHX_ "switching effective gid is not implemented");
252 if (setregid(egid, rgid))
255 if (setresgid(egid, rgid, (Gid_t)-1))
258 Perl_croak(aTHX_ "entering effective gid failed");
261 res = access(path, mode);
264 if (setreuid(ruid, euid))
267 if (setresuid(ruid, euid, (Uid_t)-1))
270 Perl_croak(aTHX_ "leaving effective uid failed");
273 if (setregid(rgid, egid))
276 if (setresgid(rgid, egid, (Gid_t)-1))
279 Perl_croak(aTHX_ "leaving effective gid failed");
284 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
285 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
286 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
289 #if !defined(PERL_EFF_ACCESS_R_OK)
291 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
293 Perl_croak(aTHX_ "switching effective uid is not implemented");
309 if (PL_op->op_private & OPpOPEN_IN_RAW)
311 else if (PL_op->op_private & OPpOPEN_IN_CRLF)
313 fp = PerlProc_popen(tmps, mode);
315 if (gimme == G_VOID) {
317 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
321 else if (gimme == G_SCALAR) {
322 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
323 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
334 if (sv_gets(sv, fp, 0) == Nullch) {
338 XPUSHs(sv_2mortal(sv));
339 if (SvLEN(sv) - SvCUR(sv) > 20) {
340 SvLEN_set(sv, SvCUR(sv)+1);
341 Renew(SvPVX(sv), SvLEN(sv), char);
346 STATUS_NATIVE_SET(PerlProc_pclose(fp));
347 TAINT; /* "I believe that this is not gratuitous!" */
350 STATUS_NATIVE_SET(-1);
351 if (gimme == G_SCALAR)
361 tryAMAGICunTARGET(iter, -1);
363 /* Note that we only ever get here if File::Glob fails to load
364 * without at the same time croaking, for some reason, or if
365 * perl was built with PERL_EXTERNAL_GLOB */
372 * The external globbing program may use things we can't control,
373 * so for security reasons we must assume the worst.
376 taint_proper(PL_no_security, "glob");
380 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
381 PL_last_in_gv = (GV*)*PL_stack_sp--;
383 SAVESPTR(PL_rs); /* This is not permanent, either. */
384 PL_rs = sv_2mortal(newSVpvn("\000", 1));
387 *SvPVX(PL_rs) = '\n';
391 result = do_readline();
396 #if 0 /* XXX never used! */
400 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
401 return do_readline();
407 PL_last_in_gv = cGVOP_gv;
408 return do_readline();
417 if (SP - MARK != 1) {
419 do_join(TARG, &PL_sv_no, MARK, SP);
426 tmps = SvPV(tmpsv, len);
429 (void)SvUPGRADE(error, SVt_PV);
430 if (SvPOK(error) && SvCUR(error))
431 sv_catpv(error, "\t...caught");
433 tmps = SvPV(tmpsv, len);
436 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
438 Perl_warn(aTHX_ "%"SVf, tmpsv);
449 if (SP - MARK != 1) {
451 do_join(TARG, &PL_sv_no, MARK, SP);
453 tmps = SvPV(tmpsv, len);
459 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
463 (void)SvUPGRADE(error, SVt_PV);
464 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
466 SvSetSV(error,tmpsv);
467 else if (sv_isobject(error)) {
468 HV *stash = SvSTASH(SvRV(error));
469 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
471 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
472 SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
479 call_sv((SV*)GvCV(gv),
480 G_SCALAR|G_EVAL|G_KEEPERR);
481 sv_setsv(error,*PL_stack_sp--);
487 if (SvPOK(error) && SvCUR(error))
488 sv_catpv(error, "\t...propagated");
490 tmps = SvPV(tmpsv, len);
494 tmpsv = sv_2mortal(newSVpvn("Died", 4));
496 DIE(aTHX_ "%"SVf, tmpsv);
519 DIE(aTHX_ PL_no_usym, "filehandle");
524 DIE(aTHX_ PL_no_usym, "filehandle");
526 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
528 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
530 XPUSHs(SvTIED_obj((SV*)gv, mg));
536 call_method("OPEN", G_SCALAR);
542 tmps = SvPV(sv, len);
543 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
544 PUSHi( (I32)PL_forkprocess );
545 else if (PL_forkprocess == 0) /* we are a new child */
563 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
565 XPUSHs(SvTIED_obj((SV*)gv, mg));
568 call_method("CLOSE", G_SCALAR);
574 PUSHs(boolSV(do_close(gv, TRUE)));
594 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
595 DIE(aTHX_ PL_no_usym, "filehandle");
600 do_close(rgv, FALSE);
602 do_close(wgv, FALSE);
604 if (PerlProc_pipe(fd) < 0)
607 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
608 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
609 IoIFP(wstio) = IoOFP(wstio);
613 if (!IoIFP(rstio) || !IoOFP(wstio)) {
614 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
615 else PerlLIO_close(fd[0]);
616 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
617 else PerlLIO_close(fd[1]);
620 #if defined(HAS_FCNTL) && defined(F_SETFD)
621 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
622 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
629 DIE(aTHX_ PL_no_func, "pipe");
645 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
647 XPUSHs(SvTIED_obj((SV*)gv, mg));
650 call_method("FILENO", G_SCALAR);
656 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
658 PUSHi(PerlIO_fileno(fp));
669 anum = PerlLIO_umask(0);
670 (void)PerlLIO_umask(anum);
673 anum = PerlLIO_umask(POPi);
674 TAINT_PROPER("umask");
677 /* Only DIE if trying to restrict permissions on `user' (self).
678 * Otherwise it's harmless and more useful to just return undef
679 * since 'group' and 'other' concepts probably don't exist here. */
680 if (MAXARG >= 1 && (POPi & 0700))
681 DIE(aTHX_ "umask not implemented");
682 XPUSHs(&PL_sv_undef);
703 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
705 XPUSHs(SvTIED_obj((SV*)gv, mg));
710 call_method("BINMODE", G_SCALAR);
717 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
720 if (do_binmode(fp,IoTYPE(io),mode_from_discipline(discp)))
734 I32 markoff = MARK - PL_stack_base;
741 switch(SvTYPE(varsv)) {
743 methname = "TIEHASH";
746 methname = "TIEARRAY";
749 methname = "TIEHANDLE";
753 methname = "TIESCALAR";
758 if (sv_isobject(*MARK)) {
760 PUSHSTACKi(PERLSI_MAGIC);
766 call_method(methname, G_SCALAR);
769 /* Not clear why we don't call call_method here too.
770 * perhaps to get different error message ?
772 stash = gv_stashsv(*MARK, FALSE);
773 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
774 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
775 methname, SvPV(*MARK,n_a));
778 PUSHSTACKi(PERLSI_MAGIC);
784 call_sv((SV*)GvCV(gv), G_SCALAR);
790 if (sv_isobject(sv)) {
791 sv_unmagic(varsv, how);
792 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
795 SP = PL_stack_base + markoff;
804 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
806 if (ckWARN(WARN_UNTIE)) {
808 if ((mg = SvTIED_mg(sv, how))) {
809 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
810 Perl_warner(aTHX_ WARN_UNTIE,
811 "untie attempted while %"UVuf" inner references still exist",
812 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
824 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
827 if ((mg = SvTIED_mg(sv, how))) {
828 SV *osv = SvTIED_obj(sv, mg);
829 if (osv == mg->mg_obj)
830 osv = sv_mortalcopy(osv);
848 sv = sv_mortalcopy(&PL_sv_no);
849 sv_setpv(sv, "AnyDBM_File");
850 stash = gv_stashsv(sv, FALSE);
851 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
853 require_pv("AnyDBM_File.pm");
855 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
856 DIE(aTHX_ "No dbm on this machine");
866 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
868 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
871 call_sv((SV*)GvCV(gv), G_SCALAR);
874 if (!sv_isobject(TOPs)) {
879 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
882 call_sv((SV*)GvCV(gv), G_SCALAR);
886 if (sv_isobject(TOPs)) {
887 sv_unmagic((SV *) hv, 'P');
888 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
910 struct timeval timebuf;
911 struct timeval *tbuf = &timebuf;
915 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
920 # if BYTEORDER & 0xf0000
921 # define ORDERBYTE (0x88888888 - BYTEORDER)
923 # define ORDERBYTE (0x4444 - BYTEORDER)
929 for (i = 1; i <= 3; i++) {
937 /* little endians can use vecs directly */
938 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
939 # if SELECT_MIN_BITS > 1
940 /* If SELECT_MIN_BITS is greater than one we most probably will want
941 * to align the sizes with SELECT_MIN_BITS/8 because for example
942 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
943 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
944 * on (sets/tests/clears bits) is 32 bits. */
945 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
947 growsize = sizeof(fd_set);
956 masksize = NFDBITS / NBBY;
958 masksize = sizeof(long); /* documented int, everyone seems to use long */
960 growsize = maxlen + (masksize - (maxlen % masksize));
961 Zero(&fd_sets[0], 4, char*);
969 timebuf.tv_sec = (long)value;
970 value -= (NV)timebuf.tv_sec;
971 timebuf.tv_usec = (long)(value * 1000000.0);
974 tbuf = Null(struct timeval*);
976 for (i = 1; i <= 3; i++) {
983 SvPV_force(sv,n_a); /* force string conversion */
986 Sv_Grow(sv, growsize);
990 while (++j <= growsize) {
994 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
996 New(403, fd_sets[i], growsize, char);
997 for (offset = 0; offset < growsize; offset += masksize) {
998 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
999 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1002 fd_sets[i] = SvPVX(sv);
1006 nfound = PerlSock_select(
1008 (Select_fd_set_t) fd_sets[1],
1009 (Select_fd_set_t) fd_sets[2],
1010 (Select_fd_set_t) fd_sets[3],
1012 for (i = 1; i <= 3; i++) {
1015 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1017 for (offset = 0; offset < growsize; offset += masksize) {
1018 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1019 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1021 Safefree(fd_sets[i]);
1028 if (GIMME == G_ARRAY && tbuf) {
1029 value = (NV)(timebuf.tv_sec) +
1030 (NV)(timebuf.tv_usec) / 1000000.0;
1031 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1032 sv_setnv(sv, value);
1036 DIE(aTHX_ "select not implemented");
1041 Perl_setdefout(pTHX_ GV *gv)
1045 (void)SvREFCNT_inc(gv);
1047 SvREFCNT_dec(PL_defoutgv);
1054 GV *newdefout, *egv;
1057 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1059 egv = GvEGV(PL_defoutgv);
1064 XPUSHs(&PL_sv_undef);
1066 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1067 if (gvp && *gvp == egv) {
1068 gv_efullname3(TARG, PL_defoutgv, Nullch);
1072 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1077 if (!GvIO(newdefout))
1078 gv_IOadd(newdefout);
1079 setdefout(newdefout);
1096 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1097 I32 gimme = GIMME_V;
1099 XPUSHs(SvTIED_obj((SV*)gv, mg));
1102 call_method("GETC", gimme);
1105 if (gimme == G_SCALAR)
1106 SvSetMagicSV_nosteal(TARG, TOPs);
1109 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1112 sv_setpv(TARG, " ");
1113 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1120 return pp_sysread();
1124 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1127 register PERL_CONTEXT *cx;
1128 I32 gimme = GIMME_V;
1129 AV* padlist = CvPADLIST(cv);
1130 SV** svp = AvARRAY(padlist);
1136 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1138 SAVEVPTR(PL_curpad);
1139 PL_curpad = AvARRAY((AV*)svp[1]);
1141 setdefout(gv); /* locally select filehandle so $% et al work */
1173 SV *tmpsv = sv_newmortal();
1174 gv_efullname3(tmpsv, fgv, Nullch);
1175 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1177 DIE(aTHX_ "Not a format reference");
1180 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1182 IoFLAGS(io) &= ~IOf_DIDTOP;
1183 return doform(cv,gv,PL_op->op_next);
1189 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1190 register IO *io = GvIOp(gv);
1191 PerlIO *ofp = IoOFP(io);
1195 register PERL_CONTEXT *cx;
1197 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1198 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1199 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1200 PL_formtarget != PL_toptarget)
1204 if (!IoTOP_GV(io)) {
1208 if (!IoTOP_NAME(io)) {
1209 if (!IoFMT_NAME(io))
1210 IoFMT_NAME(io) = savepv(GvNAME(gv));
1211 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1212 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1213 if ((topgv && GvFORM(topgv)) ||
1214 !gv_fetchpv("top",FALSE,SVt_PVFM))
1215 IoTOP_NAME(io) = savepv(SvPVX(topname));
1217 IoTOP_NAME(io) = savepv("top");
1219 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1220 if (!topgv || !GvFORM(topgv)) {
1221 IoLINES_LEFT(io) = 100000000;
1224 IoTOP_GV(io) = topgv;
1226 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1227 I32 lines = IoLINES_LEFT(io);
1228 char *s = SvPVX(PL_formtarget);
1229 if (lines <= 0) /* Yow, header didn't even fit!!! */
1231 while (lines-- > 0) {
1232 s = strchr(s, '\n');
1238 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1239 sv_chop(PL_formtarget, s);
1240 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1243 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1244 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1245 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1247 PL_formtarget = PL_toptarget;
1248 IoFLAGS(io) |= IOf_DIDTOP;
1251 DIE(aTHX_ "bad top format reference");
1254 SV *tmpsv = sv_newmortal();
1255 gv_efullname3(tmpsv, fgv, Nullch);
1256 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1259 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1260 return doform(cv,gv,PL_op);
1264 POPBLOCK(cx,PL_curpm);
1270 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1272 SV* sv = sv_newmortal();
1273 gv_efullname3(sv, gv, Nullch);
1274 Perl_warner(aTHX_ WARN_IO,
1275 "Filehandle %s opened only for input",
1278 else if (ckWARN(WARN_CLOSED))
1279 report_closed_fh(gv, io, "write", "filehandle");
1284 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1285 if (ckWARN(WARN_IO))
1286 Perl_warner(aTHX_ WARN_IO, "page overflow");
1288 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1292 FmLINES(PL_formtarget) = 0;
1293 SvCUR_set(PL_formtarget, 0);
1294 *SvEND(PL_formtarget) = '\0';
1295 if (IoFLAGS(io) & IOf_FLUSH)
1296 (void)PerlIO_flush(fp);
1300 PL_formtarget = PL_bodytarget;
1302 return pop_return();
1307 djSP; dMARK; dORIGMARK;
1315 if (PL_op->op_flags & OPf_STACKED)
1320 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1321 if (MARK == ORIGMARK) {
1324 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1328 *MARK = SvTIED_obj((SV*)gv, mg);
1331 call_method("PRINTF", G_SCALAR);
1334 MARK = ORIGMARK + 1;
1341 if (!(io = GvIO(gv))) {
1342 if (ckWARN(WARN_UNOPENED)) {
1343 gv_efullname3(sv, gv, Nullch);
1344 Perl_warner(aTHX_ WARN_UNOPENED,
1345 "Filehandle %s never opened", SvPV(sv,n_a));
1347 SETERRNO(EBADF,RMS$_IFI);
1350 else if (!(fp = IoOFP(io))) {
1351 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1353 gv_efullname3(sv, gv, Nullch);
1354 Perl_warner(aTHX_ WARN_IO,
1355 "Filehandle %s opened only for input",
1358 else if (ckWARN(WARN_CLOSED))
1359 report_closed_fh(gv, io, "printf", "filehandle");
1361 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1365 do_sprintf(sv, SP - MARK, MARK + 1);
1366 if (!do_print(sv, fp))
1369 if (IoFLAGS(io) & IOf_FLUSH)
1370 if (PerlIO_flush(fp) == EOF)
1381 PUSHs(&PL_sv_undef);
1402 /* Need TIEHANDLE method ? */
1404 tmps = SvPV(sv, len);
1405 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1406 IoLINES(GvIOp(gv)) = 0;
1410 PUSHs(&PL_sv_undef);
1417 djSP; dMARK; dORIGMARK; dTARGET;
1423 Sock_size_t bufsize;
1429 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1430 (mg = SvTIED_mg((SV*)gv, 'q')))
1435 *MARK = SvTIED_obj((SV*)gv, mg);
1437 call_method("READ", G_SCALAR);
1450 sv_setpvn(bufsv, "", 0);
1451 buffer = SvPV_force(bufsv, blen);
1452 length = SvIVx(*++MARK);
1454 DIE(aTHX_ "Negative length");
1457 offset = SvIVx(*++MARK);
1461 if (!io || !IoIFP(io))
1464 if (PL_op->op_type == OP_RECV) {
1465 char namebuf[MAXPATHLEN];
1466 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1467 bufsize = sizeof (struct sockaddr_in);
1469 bufsize = sizeof namebuf;
1471 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1475 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1479 buffer = SvGROW(bufsv, length+1);
1480 /* 'offset' means 'flags' here */
1481 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1482 (struct sockaddr *)namebuf, &bufsize);
1485 SvCUR_set(bufsv, length);
1486 *SvEND(bufsv) = '\0';
1487 (void)SvPOK_only(bufsv);
1489 /* This should not be marked tainted if the fp is marked clean */
1490 if (!(IoFLAGS(io) & IOf_UNTAINT))
1491 SvTAINTED_on(bufsv);
1493 sv_setpvn(TARG, namebuf, bufsize);
1498 if (PL_op->op_type == OP_RECV)
1499 DIE(aTHX_ PL_no_sock_func, "recv");
1503 DIE(aTHX_ "Offset outside string");
1506 bufsize = SvCUR(bufsv);
1507 buffer = SvGROW(bufsv, length+offset+1);
1508 if (offset > bufsize) { /* Zero any newly allocated space */
1509 Zero(buffer+bufsize, offset-bufsize, char);
1511 if (PL_op->op_type == OP_SYSREAD) {
1512 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1513 if (IoTYPE(io) == 's') {
1514 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1515 buffer+offset, length, 0);
1520 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1521 buffer+offset, length);
1525 #ifdef HAS_SOCKET__bad_code_maybe
1526 if (IoTYPE(io) == 's') {
1527 char namebuf[MAXPATHLEN];
1528 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1529 bufsize = sizeof (struct sockaddr_in);
1531 bufsize = sizeof namebuf;
1533 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1534 (struct sockaddr *)namebuf, &bufsize);
1539 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1540 /* fread() returns 0 on both error and EOF */
1541 if (length == 0 && PerlIO_error(IoIFP(io)))
1545 if ((IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1546 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1548 SV* sv = sv_newmortal();
1549 gv_efullname3(sv, gv, Nullch);
1550 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1555 SvCUR_set(bufsv, length+offset);
1556 *SvEND(bufsv) = '\0';
1557 (void)SvPOK_only(bufsv);
1559 /* This should not be marked tainted if the fp is marked clean */
1560 if (!(IoFLAGS(io) & IOf_UNTAINT))
1561 SvTAINTED_on(bufsv);
1574 int items = (SP - PL_stack_base) - TOPMARK;
1578 sv = sv_2mortal(newSViv(sv_len(*SP)));
1587 djSP; dMARK; dORIGMARK; dTARGET;
1599 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1603 *MARK = SvTIED_obj((SV*)gv, mg);
1605 call_method("WRITE", G_SCALAR);
1616 buffer = SvPV(bufsv, blen);
1617 #if Size_t_size > IVSIZE
1618 length = (Size_t)SvNVx(*++MARK);
1620 length = (Size_t)SvIVx(*++MARK);
1622 if ((SSize_t)length < 0)
1623 DIE(aTHX_ "Negative length");
1626 if (!io || !IoIFP(io)) {
1628 if (ckWARN(WARN_CLOSED)) {
1629 if (PL_op->op_type == OP_SYSWRITE)
1630 report_closed_fh(gv, io, "syswrite", "filehandle");
1632 report_closed_fh(gv, io, "send", "socket");
1635 else if (PL_op->op_type == OP_SYSWRITE) {
1637 offset = SvIVx(*++MARK);
1640 DIE(aTHX_ "Offset outside string");
1642 } else if (offset >= blen && blen > 0)
1643 DIE(aTHX_ "Offset outside string");
1646 if (length > blen - offset)
1647 length = blen - offset;
1648 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1649 if (IoTYPE(io) == 's') {
1650 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1651 buffer+offset, length, 0);
1656 /* See the note at doio.c:do_print about filesize limits. --jhi */
1657 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1658 buffer+offset, length);
1662 else if (SP > MARK) {
1665 sockbuf = SvPVx(*++MARK, mlen);
1666 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1667 length, (struct sockaddr *)sockbuf, mlen);
1670 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1674 DIE(aTHX_ PL_no_sock_func, "send");
1679 #if Size_t_size > IVSIZE
1693 return pp_sysread();
1703 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1705 gv = PL_last_in_gv = PL_argvgv;
1707 if (io && !IoIFP(io)) {
1708 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1710 IoFLAGS(io) &= ~IOf_START;
1711 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1712 sv_setpvn(GvSV(gv), "-", 1);
1713 SvSETMAGIC(GvSV(gv));
1715 else if (!nextargv(gv))
1720 gv = PL_last_in_gv; /* eof */
1723 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1725 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1727 XPUSHs(SvTIED_obj((SV*)gv, mg));
1730 call_method("EOF", G_SCALAR);
1736 PUSHs(boolSV(!gv || do_eof(gv)));
1749 gv = PL_last_in_gv = (GV*)POPs;
1751 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1753 XPUSHs(SvTIED_obj((SV*)gv, mg));
1756 call_method("TELL", G_SCALAR);
1762 #if LSEEKSIZE > IVSIZE
1763 PUSHn( do_tell(gv) );
1765 PUSHi( do_tell(gv) );
1772 return pp_sysseek();
1780 #if LSEEKSIZE > IVSIZE
1781 Off_t offset = (Off_t)SvNVx(POPs);
1783 Off_t offset = (Off_t)SvIVx(POPs);
1787 gv = PL_last_in_gv = (GV*)POPs;
1789 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1791 XPUSHs(SvTIED_obj((SV*)gv, mg));
1792 #if LSEEKSIZE > IVSIZE
1793 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1795 XPUSHs(sv_2mortal(newSViv(offset)));
1797 XPUSHs(sv_2mortal(newSViv(whence)));
1800 call_method("SEEK", G_SCALAR);
1806 if (PL_op->op_type == OP_SEEK)
1807 PUSHs(boolSV(do_seek(gv, offset, whence)));
1809 Off_t sought = do_sysseek(gv, offset, whence);
1811 PUSHs(&PL_sv_undef);
1814 #if LSEEKSIZE > IVSIZE
1819 : newSVpvn(zero_but_true, ZBTLEN);
1820 PUSHs(sv_2mortal(sv));
1829 /* There seems to be no consensus on the length type of truncate()
1830 * and ftruncate(), both off_t and size_t have supporters. In
1831 * general one would think that when using large files, off_t is
1832 * at least as wide as size_t, so using an off_t should be okay. */
1833 /* XXX Configure probe for the length type of *truncate() needed XXX */
1839 #if Size_t_size > IVSIZE
1844 /* Checking for length < 0 is problematic as the type might or
1845 * might not be signed: if it is not, clever compilers will moan. */
1846 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1848 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1849 if (PL_op->op_flags & OPf_SPECIAL) {
1850 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1852 TAINT_PROPER("truncate");
1853 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1856 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1858 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1860 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1870 if (SvTYPE(sv) == SVt_PVGV) {
1871 tmpgv = (GV*)sv; /* *main::FRED for example */
1874 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1875 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1879 name = SvPV(sv, n_a);
1880 TAINT_PROPER("truncate");
1882 if (truncate(name, len) < 0)
1887 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1890 if (my_chsize(tmpfd, len) < 0)
1892 PerlLIO_close(tmpfd);
1901 SETERRNO(EBADF,RMS$_IFI);
1904 DIE(aTHX_ "truncate not implemented");
1917 unsigned int func = U_I(POPn);
1918 int optype = PL_op->op_type;
1924 if (!io || !argsv || !IoIFP(io)) {
1925 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1929 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1932 s = SvPV_force(argsv, len);
1933 need = IOCPARM_LEN(func);
1935 s = Sv_Grow(argsv, need + 1);
1936 SvCUR_set(argsv, need);
1939 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1942 retval = SvIV(argsv);
1943 s = INT2PTR(char*,retval); /* ouch */
1946 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1948 if (optype == OP_IOCTL)
1950 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1952 DIE(aTHX_ "ioctl is not implemented");
1956 #if defined(OS2) && defined(__EMX__)
1957 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1959 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1962 DIE(aTHX_ "fcntl is not implemented");
1966 if (s[SvCUR(argsv)] != 17)
1967 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1968 PL_op_name[optype]);
1969 s[SvCUR(argsv)] = 0; /* put our null back */
1970 SvSETMAGIC(argsv); /* Assume it has changed */
1979 PUSHp(zero_but_true, ZBTLEN);
1999 fp = IoIFP(GvIOp(gv));
2003 (void)PerlIO_flush(fp);
2004 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2008 SETERRNO(EBADF,RMS$_IFI);
2009 if (ckWARN(WARN_CLOSED))
2010 report_closed_fh(gv, GvIO(gv), "flock", "filehandle");
2015 DIE(aTHX_ PL_no_func, "flock()");
2027 int protocol = POPi;
2035 SETERRNO(EBADF,LIB$_INVARG);
2041 do_close(gv, FALSE);
2043 TAINT_PROPER("socket");
2044 fd = PerlSock_socket(domain, type, protocol);
2047 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2048 IoOFP(io) = PerlIO_fdopen(fd, "w");
2050 if (!IoIFP(io) || !IoOFP(io)) {
2051 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2052 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2053 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2056 #if defined(HAS_FCNTL) && defined(F_SETFD)
2057 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2062 DIE(aTHX_ PL_no_sock_func, "socket");
2069 #ifdef HAS_SOCKETPAIR
2074 int protocol = POPi;
2087 do_close(gv1, FALSE);
2089 do_close(gv2, FALSE);
2091 TAINT_PROPER("socketpair");
2092 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2094 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2095 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2097 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2098 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2100 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2101 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2102 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2103 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2104 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2105 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2106 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2109 #if defined(HAS_FCNTL) && defined(F_SETFD)
2110 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2111 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2116 DIE(aTHX_ PL_no_sock_func, "socketpair");
2124 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2125 extern GETPRIVMODE();
2126 extern GETUSERMODE();
2131 register IO *io = GvIOn(gv);
2135 int mpeprivmode = 0;
2138 if (!io || !IoIFP(io))
2141 addr = SvPV(addrsv, len);
2142 TAINT_PROPER("bind");
2143 #ifdef MPE /* Deal with MPE bind() peculiarities */
2144 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2145 /* The address *MUST* stupidly be zero. */
2146 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2147 /* PRIV mode is required to bind() to ports < 1024. */
2148 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2149 ((struct sockaddr_in *)addr)->sin_port > 0) {
2150 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2155 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2156 (struct sockaddr *)addr, len) >= 0)
2159 #ifdef MPE /* Switch back to USER mode */
2170 if (ckWARN(WARN_CLOSED))
2171 report_closed_fh(gv, io, "bind", "socket");
2172 SETERRNO(EBADF,SS$_IVCHAN);
2175 DIE(aTHX_ PL_no_sock_func, "bind");
2186 register IO *io = GvIOn(gv);
2189 if (!io || !IoIFP(io))
2192 addr = SvPV(addrsv, len);
2193 TAINT_PROPER("connect");
2194 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2200 if (ckWARN(WARN_CLOSED))
2201 report_closed_fh(gv, io, "connect", "socket");
2202 SETERRNO(EBADF,SS$_IVCHAN);
2205 DIE(aTHX_ PL_no_sock_func, "connect");
2215 register IO *io = GvIOn(gv);
2217 if (!io || !IoIFP(io))
2220 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2226 if (ckWARN(WARN_CLOSED))
2227 report_closed_fh(gv, io, "listen", "socket");
2228 SETERRNO(EBADF,SS$_IVCHAN);
2231 DIE(aTHX_ PL_no_sock_func, "listen");
2243 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2244 Sock_size_t len = sizeof saddr;
2256 if (!gstio || !IoIFP(gstio))
2261 do_close(ngv, FALSE);
2263 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2266 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2267 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2268 IoTYPE(nstio) = 's';
2269 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2270 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2271 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2272 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2275 #if defined(HAS_FCNTL) && defined(F_SETFD)
2276 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2279 PUSHp((char *)&saddr, len);
2283 if (ckWARN(WARN_CLOSED))
2284 report_closed_fh(ggv, ggv ? GvIO(ggv) : 0, "accept", "socket");
2285 SETERRNO(EBADF,SS$_IVCHAN);
2291 DIE(aTHX_ PL_no_sock_func, "accept");
2301 register IO *io = GvIOn(gv);
2303 if (!io || !IoIFP(io))
2306 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2310 if (ckWARN(WARN_CLOSED))
2311 report_closed_fh(gv, io, "shutdown", "socket");
2312 SETERRNO(EBADF,SS$_IVCHAN);
2315 DIE(aTHX_ PL_no_sock_func, "shutdown");
2322 return pp_ssockopt();
2324 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2332 int optype = PL_op->op_type;
2335 unsigned int optname;
2341 if (optype == OP_GSOCKOPT)
2342 sv = sv_2mortal(NEWSV(22, 257));
2345 optname = (unsigned int) POPi;
2346 lvl = (unsigned int) POPi;
2350 if (!io || !IoIFP(io))
2353 fd = PerlIO_fileno(IoIFP(io));
2357 (void)SvPOK_only(sv);
2361 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2376 aint = (int)SvIV(sv);
2380 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2389 if (ckWARN(WARN_CLOSED))
2390 report_closed_fh(gv, io,
2391 optype == OP_GSOCKOPT ? "getsockopt" : "setsockopt",
2393 SETERRNO(EBADF,SS$_IVCHAN);
2398 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2405 return pp_getpeername();
2407 DIE(aTHX_ PL_no_sock_func, "getsockname");
2415 int optype = PL_op->op_type;
2419 register IO *io = GvIOn(gv);
2422 if (!io || !IoIFP(io))
2425 sv = sv_2mortal(NEWSV(22, 257));
2426 (void)SvPOK_only(sv);
2430 fd = PerlIO_fileno(IoIFP(io));
2432 case OP_GETSOCKNAME:
2433 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2436 case OP_GETPEERNAME:
2437 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2439 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2441 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";
2442 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2443 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2444 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2445 sizeof(u_short) + sizeof(struct in_addr))) {
2452 #ifdef BOGUS_GETNAME_RETURN
2453 /* Interactive Unix, getpeername() and getsockname()
2454 does not return valid namelen */
2455 if (len == BOGUS_GETNAME_RETURN)
2456 len = sizeof(struct sockaddr);
2464 if (ckWARN(WARN_CLOSED))
2465 report_closed_fh(gv, io,
2466 optype == OP_GETSOCKNAME ? "getsockname"
2469 SETERRNO(EBADF,SS$_IVCHAN);
2474 DIE(aTHX_ PL_no_sock_func, "getpeername");
2493 if (PL_op->op_flags & OPf_REF) {
2496 if (tmpgv != PL_defgv) {
2497 PL_laststype = OP_STAT;
2499 sv_setpv(PL_statname, "");
2500 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2501 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2503 if (PL_laststatval < 0)
2508 if (SvTYPE(sv) == SVt_PVGV) {
2512 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2513 tmpgv = (GV*)SvRV(sv);
2516 sv_setpv(PL_statname, SvPV(sv,n_a));
2519 PL_laststype = PL_op->op_type;
2520 if (PL_op->op_type == OP_LSTAT)
2521 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2524 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2525 if (PL_laststatval < 0) {
2526 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2527 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2533 if (gimme != G_ARRAY) {
2534 if (gimme != G_VOID)
2535 XPUSHs(boolSV(max));
2541 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2542 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2543 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2544 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2545 #if Uid_t_size > IVSIZE
2546 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2548 # if Uid_t_sign <= 0
2549 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2551 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2554 #if Gid_t_size > IVSIZE
2555 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2557 # if Gid_t_sign <= 0
2558 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2560 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2563 #ifdef USE_STAT_RDEV
2564 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2566 PUSHs(sv_2mortal(newSVpvn("", 0)));
2568 #if Off_t_size > IVSIZE
2569 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2571 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2574 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2575 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2576 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2578 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2579 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2580 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2582 #ifdef USE_STAT_BLOCKS
2583 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2584 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2586 PUSHs(sv_2mortal(newSVpvn("", 0)));
2587 PUSHs(sv_2mortal(newSVpvn("", 0)));
2597 #if defined(HAS_ACCESS) && defined(R_OK)
2599 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2600 result = access(TOPpx, R_OK);
2615 if (cando(S_IRUSR, 0, &PL_statcache))
2624 #if defined(HAS_ACCESS) && defined(W_OK)
2626 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2627 result = access(TOPpx, W_OK);
2642 if (cando(S_IWUSR, 0, &PL_statcache))
2651 #if defined(HAS_ACCESS) && defined(X_OK)
2653 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2654 result = access(TOPpx, X_OK);
2669 if (cando(S_IXUSR, 0, &PL_statcache))
2678 #ifdef PERL_EFF_ACCESS_R_OK
2680 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2681 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2696 if (cando(S_IRUSR, 1, &PL_statcache))
2705 #ifdef PERL_EFF_ACCESS_W_OK
2707 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2708 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2723 if (cando(S_IWUSR, 1, &PL_statcache))
2732 #ifdef PERL_EFF_ACCESS_X_OK
2734 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2735 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2750 if (cando(S_IXUSR, 1, &PL_statcache))
2757 I32 result = my_stat();
2766 return pp_ftrowned();
2771 I32 result = my_stat();
2775 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2783 I32 result = my_stat();
2787 if (PL_statcache.st_size == 0)
2794 I32 result = my_stat();
2798 #if Off_t_size > IVSIZE
2799 PUSHn(PL_statcache.st_size);
2801 PUSHi(PL_statcache.st_size);
2808 I32 result = my_stat();
2812 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2818 I32 result = my_stat();
2822 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2828 I32 result = my_stat();
2832 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2838 I32 result = my_stat();
2842 if (S_ISSOCK(PL_statcache.st_mode))
2849 I32 result = my_stat();
2853 if (S_ISCHR(PL_statcache.st_mode))
2860 I32 result = my_stat();
2864 if (S_ISBLK(PL_statcache.st_mode))
2871 I32 result = my_stat();
2875 if (S_ISREG(PL_statcache.st_mode))
2882 I32 result = my_stat();
2886 if (S_ISDIR(PL_statcache.st_mode))
2893 I32 result = my_stat();
2897 if (S_ISFIFO(PL_statcache.st_mode))
2904 I32 result = my_lstat();
2908 if (S_ISLNK(PL_statcache.st_mode))
2917 I32 result = my_stat();
2921 if (PL_statcache.st_mode & S_ISUID)
2931 I32 result = my_stat();
2935 if (PL_statcache.st_mode & S_ISGID)
2945 I32 result = my_stat();
2949 if (PL_statcache.st_mode & S_ISVTX)
2960 char *tmps = Nullch;
2963 if (PL_op->op_flags & OPf_REF)
2965 else if (isGV(TOPs))
2967 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2968 gv = (GV*)SvRV(POPs);
2970 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2972 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2973 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2974 else if (tmps && isDIGIT(*tmps))
2978 if (PerlLIO_isatty(fd))
2983 #if defined(atarist) /* this will work with atariST. Configure will
2984 make guesses for other systems. */
2985 # define FILE_base(f) ((f)->_base)
2986 # define FILE_ptr(f) ((f)->_ptr)
2987 # define FILE_cnt(f) ((f)->_cnt)
2988 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2998 register STDCHAR *s;
3005 if (PL_op->op_flags & OPf_REF)
3007 else if (isGV(TOPs))
3009 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3010 gv = (GV*)SvRV(POPs);
3016 if (gv == PL_defgv) {
3018 io = GvIO(PL_statgv);
3021 goto really_filename;
3026 PL_laststatval = -1;
3027 sv_setpv(PL_statname, "");
3028 io = GvIO(PL_statgv);
3030 if (io && IoIFP(io)) {
3031 if (! PerlIO_has_base(IoIFP(io)))
3032 DIE(aTHX_ "-T and -B not implemented on filehandles");
3033 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3034 if (PL_laststatval < 0)
3036 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3037 if (PL_op->op_type == OP_FTTEXT)
3041 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3042 i = PerlIO_getc(IoIFP(io));
3044 (void)PerlIO_ungetc(IoIFP(io),i);
3046 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3048 len = PerlIO_get_bufsiz(IoIFP(io));
3049 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3050 /* sfio can have large buffers - limit to 512 */
3055 if (ckWARN(WARN_UNOPENED)) {
3057 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
3060 SETERRNO(EBADF,RMS$_IFI);
3068 PL_laststatval = -1;
3069 sv_setpv(PL_statname, SvPV(sv, n_a));
3070 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3071 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3072 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3075 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3076 if (PL_laststatval < 0) {
3077 (void)PerlIO_close(fp);
3080 do_binmode(fp, '<', O_BINARY);
3081 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3082 (void)PerlIO_close(fp);
3084 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3085 RETPUSHNO; /* special case NFS directories */
3086 RETPUSHYES; /* null file is anything */
3091 /* now scan s to look for textiness */
3092 /* XXX ASCII dependent code */
3094 #if defined(DOSISH) || defined(USEMYBINMODE)
3095 /* ignore trailing ^Z on short files */
3096 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3100 for (i = 0; i < len; i++, s++) {
3101 if (!*s) { /* null never allowed in text */
3106 else if (!(isPRINT(*s) || isSPACE(*s)))
3109 else if (*s & 128) {
3111 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3114 /* utf8 characters don't count as odd */
3116 int ulen = UTF8SKIP(s);
3117 if (ulen < len - i) {
3119 for (j = 1; j < ulen; j++) {
3120 if ((s[j] & 0xc0) != 0x80)
3123 --ulen; /* loop does extra increment */
3133 *s != '\n' && *s != '\r' && *s != '\b' &&
3134 *s != '\t' && *s != '\f' && *s != 27)
3139 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3163 if (!tmps || !*tmps) {
3164 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3166 tmps = SvPV(*svp, n_a);
3168 if (!tmps || !*tmps) {
3169 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3171 tmps = SvPV(*svp, n_a);
3174 if (!tmps || !*tmps) {
3175 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3177 tmps = SvPV(*svp, n_a);
3180 TAINT_PROPER("chdir");
3181 PUSHi( PerlDir_chdir(tmps) >= 0 );
3183 /* Clear the DEFAULT element of ENV so we'll get the new value
3185 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3192 djSP; dMARK; dTARGET;
3195 value = (I32)apply(PL_op->op_type, MARK, SP);
3200 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3211 TAINT_PROPER("chroot");
3212 PUSHi( chroot(tmps) >= 0 );
3215 DIE(aTHX_ PL_no_func, "chroot");
3221 djSP; dMARK; dTARGET;
3223 value = (I32)apply(PL_op->op_type, MARK, SP);
3231 djSP; dMARK; dTARGET;
3233 value = (I32)apply(PL_op->op_type, MARK, SP);
3241 djSP; dMARK; dTARGET;
3243 value = (I32)apply(PL_op->op_type, MARK, SP);
3255 char *tmps2 = POPpx;
3256 char *tmps = SvPV(TOPs, n_a);
3257 TAINT_PROPER("rename");
3259 anum = PerlLIO_rename(tmps, tmps2);
3261 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3262 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3265 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3266 (void)UNLINK(tmps2);
3267 if (!(anum = link(tmps, tmps2)))
3268 anum = UNLINK(tmps);
3281 char *tmps2 = POPpx;
3282 char *tmps = SvPV(TOPs, n_a);
3283 TAINT_PROPER("link");
3284 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3286 DIE(aTHX_ PL_no_func, "Unsupported function link");
3296 char *tmps2 = POPpx;
3297 char *tmps = SvPV(TOPs, n_a);
3298 TAINT_PROPER("symlink");
3299 SETi( symlink(tmps, tmps2) >= 0 );
3302 DIE(aTHX_ PL_no_func, "symlink");
3311 char buf[MAXPATHLEN];
3315 #ifndef INCOMPLETE_TAINTS
3319 len = readlink(tmps, buf, sizeof buf);
3327 RETSETUNDEF; /* just pretend it's a normal file */
3331 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3333 S_dooneliner(pTHX_ char *cmd, char *filename)
3335 char *save_filename = filename;
3341 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3342 strcpy(cmdline, cmd);
3343 strcat(cmdline, " ");
3344 for (s = cmdline + strlen(cmdline); *filename; ) {
3349 myfp = PerlProc_popen(cmdline, "r");
3353 SV *tmpsv = sv_newmortal();
3354 /* Need to save/restore 'PL_rs' ?? */
3355 s = sv_gets(tmpsv, myfp, 0);
3356 (void)PerlProc_pclose(myfp);
3360 #ifdef HAS_SYS_ERRLIST
3365 /* you don't see this */
3367 #ifdef HAS_SYS_ERRLIST
3375 if (instr(s, errmsg)) {
3382 #define EACCES EPERM
3384 if (instr(s, "cannot make"))
3385 SETERRNO(EEXIST,RMS$_FEX);
3386 else if (instr(s, "existing file"))
3387 SETERRNO(EEXIST,RMS$_FEX);
3388 else if (instr(s, "ile exists"))
3389 SETERRNO(EEXIST,RMS$_FEX);
3390 else if (instr(s, "non-exist"))
3391 SETERRNO(ENOENT,RMS$_FNF);
3392 else if (instr(s, "does not exist"))
3393 SETERRNO(ENOENT,RMS$_FNF);
3394 else if (instr(s, "not empty"))
3395 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3396 else if (instr(s, "cannot access"))
3397 SETERRNO(EACCES,RMS$_PRV);
3399 SETERRNO(EPERM,RMS$_PRV);
3402 else { /* some mkdirs return no failure indication */
3403 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3404 if (PL_op->op_type == OP_RMDIR)
3409 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3433 tmps = SvPV(TOPs, n_a);
3435 TAINT_PROPER("mkdir");
3437 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3439 SETi( dooneliner("mkdir", tmps) );
3440 oldumask = PerlLIO_umask(0);
3441 PerlLIO_umask(oldumask);
3442 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3454 TAINT_PROPER("rmdir");
3456 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3458 XPUSHi( dooneliner("rmdir", tmps) );
3463 /* Directory calls. */
3468 #if defined(Direntry_t) && defined(HAS_READDIR)
3470 char *dirname = POPpx;
3472 register IO *io = GvIOn(gv);
3478 PerlDir_close(IoDIRP(io));
3479 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3485 SETERRNO(EBADF,RMS$_DIR);
3488 DIE(aTHX_ PL_no_dir_func, "opendir");
3495 #if defined(Direntry_t) && defined(HAS_READDIR)
3497 Direntry_t *readdir (DIR *);
3499 register Direntry_t *dp;
3501 register IO *io = GvIOn(gv);
3504 if (!io || !IoDIRP(io))
3507 if (GIMME == G_ARRAY) {
3509 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3511 sv = newSVpvn(dp->d_name, dp->d_namlen);
3513 sv = newSVpv(dp->d_name, 0);
3515 #ifndef INCOMPLETE_TAINTS
3516 if (!(IoFLAGS(io) & IOf_UNTAINT))
3519 XPUSHs(sv_2mortal(sv));
3523 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3526 sv = newSVpvn(dp->d_name, dp->d_namlen);
3528 sv = newSVpv(dp->d_name, 0);
3530 #ifndef INCOMPLETE_TAINTS
3531 if (!(IoFLAGS(io) & IOf_UNTAINT))
3534 XPUSHs(sv_2mortal(sv));
3540 SETERRNO(EBADF,RMS$_ISI);
3541 if (GIMME == G_ARRAY)
3546 DIE(aTHX_ PL_no_dir_func, "readdir");
3553 #if defined(HAS_TELLDIR) || defined(telldir)
3554 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3555 /* XXX netbsd still seemed to.
3556 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3557 --JHI 1999-Feb-02 */
3558 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3559 long telldir (DIR *);
3562 register IO *io = GvIOn(gv);
3564 if (!io || !IoDIRP(io))
3567 PUSHi( PerlDir_tell(IoDIRP(io)) );
3571 SETERRNO(EBADF,RMS$_ISI);
3574 DIE(aTHX_ PL_no_dir_func, "telldir");
3581 #if defined(HAS_SEEKDIR) || defined(seekdir)
3584 register IO *io = GvIOn(gv);
3586 if (!io || !IoDIRP(io))
3589 (void)PerlDir_seek(IoDIRP(io), along);
3594 SETERRNO(EBADF,RMS$_ISI);
3597 DIE(aTHX_ PL_no_dir_func, "seekdir");
3604 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3606 register IO *io = GvIOn(gv);
3608 if (!io || !IoDIRP(io))
3611 (void)PerlDir_rewind(IoDIRP(io));
3615 SETERRNO(EBADF,RMS$_ISI);
3618 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3625 #if defined(Direntry_t) && defined(HAS_READDIR)
3627 register IO *io = GvIOn(gv);
3629 if (!io || !IoDIRP(io))
3632 #ifdef VOID_CLOSEDIR
3633 PerlDir_close(IoDIRP(io));
3635 if (PerlDir_close(IoDIRP(io)) < 0) {
3636 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3645 SETERRNO(EBADF,RMS$_IFI);
3648 DIE(aTHX_ PL_no_dir_func, "closedir");
3652 /* Process control. */
3662 PERL_FLUSHALL_FOR_CHILD;
3668 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3669 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3670 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3675 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3680 PERL_FLUSHALL_FOR_CHILD;
3681 childpid = PerlProc_fork();
3685 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3692 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3697 childpid = wait4pid(-1, &argflags, 0);
3698 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3702 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3708 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3716 childpid = wait4pid(childpid, &argflags, optype);
3717 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3721 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3727 djSP; dMARK; dORIGMARK; dTARGET;
3732 Sigsave_t ihand,qhand; /* place to save signals during system() */
3737 if (SP - MARK == 1) {
3739 char *junk = SvPV(TOPs, n_a);
3741 TAINT_PROPER("system");
3744 PERL_FLUSHALL_FOR_CHILD;
3745 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3746 if (PerlProc_pipe(pp) >= 0)
3748 while ((childpid = vfork()) == -1) {
3749 if (errno != EAGAIN) {
3754 PerlLIO_close(pp[0]);
3755 PerlLIO_close(pp[1]);
3763 PerlLIO_close(pp[1]);
3764 rsignal_save(SIGINT, SIG_IGN, &ihand);
3765 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3767 result = wait4pid(childpid, &status, 0);
3768 } while (result == -1 && errno == EINTR);
3769 (void)rsignal_restore(SIGINT, &ihand);
3770 (void)rsignal_restore(SIGQUIT, &qhand);
3771 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3772 do_execfree(); /* free any memory child malloced on vfork */
3778 while (n < sizeof(int)) {
3779 n1 = PerlLIO_read(pp[0],
3780 (void*)(((char*)&errkid)+n),
3786 PerlLIO_close(pp[0]);
3787 if (n) { /* Error */
3788 if (n != sizeof(int))
3789 DIE(aTHX_ "panic: kid popen errno read");
3790 errno = errkid; /* Propagate errno from kid */
3791 STATUS_CURRENT = -1;
3794 PUSHi(STATUS_CURRENT);
3798 PerlLIO_close(pp[0]);
3799 #if defined(HAS_FCNTL) && defined(F_SETFD)
3800 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3803 if (PL_op->op_flags & OPf_STACKED) {
3804 SV *really = *++MARK;
3805 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3807 else if (SP - MARK != 1)
3808 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3810 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3813 #else /* ! FORK or VMS or OS/2 */
3814 if (PL_op->op_flags & OPf_STACKED) {
3815 SV *really = *++MARK;
3816 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3818 else if (SP - MARK != 1)
3819 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3821 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3823 STATUS_NATIVE_SET(value);
3826 PUSHi(STATUS_CURRENT);
3827 #endif /* !FORK or VMS */
3833 djSP; dMARK; dORIGMARK; dTARGET;
3837 PERL_FLUSHALL_FOR_CHILD;
3838 if (PL_op->op_flags & OPf_STACKED) {
3839 SV *really = *++MARK;
3840 value = (I32)do_aexec(really, MARK, SP);
3842 else if (SP - MARK != 1)
3844 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3848 (void ) do_aspawn(Nullsv, MARK, SP);
3852 value = (I32)do_aexec(Nullsv, MARK, SP);
3857 char *junk = SvPV(*SP, n_a);
3859 TAINT_PROPER("exec");
3862 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3865 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3868 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3873 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3885 djSP; dMARK; dTARGET;
3888 value = (I32)apply(PL_op->op_type, MARK, SP);
3893 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3901 XPUSHi( getppid() );
3904 DIE(aTHX_ PL_no_func, "getppid");
3920 pgrp = (I32)BSD_GETPGRP(pid);
3922 if (pid != 0 && pid != PerlProc_getpid())
3923 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3929 DIE(aTHX_ PL_no_func, "getpgrp()");
3948 TAINT_PROPER("setpgrp");
3950 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3952 if ((pgrp != 0 && pgrp != PerlProc_getpid())
3953 || (pid != 0 && pid != PerlProc_getpid()))
3955 DIE(aTHX_ "setpgrp can't take arguments");
3957 SETi( setpgrp() >= 0 );
3958 #endif /* USE_BSDPGRP */
3961 DIE(aTHX_ PL_no_func, "setpgrp()");
3970 #ifdef HAS_GETPRIORITY
3973 SETi( getpriority(which, who) );
3976 DIE(aTHX_ PL_no_func, "getpriority()");
3986 #ifdef HAS_SETPRIORITY
3990 TAINT_PROPER("setpriority");
3991 SETi( setpriority(which, who, niceval) >= 0 );
3994 DIE(aTHX_ PL_no_func, "setpriority()");
4004 XPUSHn( time(Null(Time_t*)) );
4006 XPUSHi( time(Null(Time_t*)) );
4011 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4012 to HZ. Probably. For now, assume that if the system
4013 defines HZ, it does so correctly. (Will this break
4015 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4016 it's supported. --AD 9/96.
4032 DIE(aTHX_ "times not implemented");
4037 (void)PerlProc_times(&PL_timesbuf);
4039 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4040 /* struct tms, though same data */
4044 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4045 if (GIMME == G_ARRAY) {
4046 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4047 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4048 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4051 #endif /* HAS_TIMES */
4064 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4065 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4066 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4072 when = (Time_t)SvNVx(POPs);
4074 when = (Time_t)SvIVx(POPs);
4077 if (PL_op->op_type == OP_LOCALTIME)
4078 tmbuf = localtime(&when);
4080 tmbuf = gmtime(&when);
4084 if (GIMME != G_ARRAY) {
4088 tsv = Perl_newSVpvf(aTHX_ "%s %s %2"IVdf" %02"IVdf":%02"IVdf":%02"IVdf" %"IVdf,
4089 dayname[tmbuf->tm_wday],
4090 monname[tmbuf->tm_mon],
4095 (IV)tmbuf->tm_year + 1900);
4096 PUSHs(sv_2mortal(tsv));
4099 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4100 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4101 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4102 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4103 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4104 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4105 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4106 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4107 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4118 anum = alarm((unsigned int)anum);
4125 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4136 (void)time(&lasttime);
4141 PerlProc_sleep((unsigned int)duration);
4144 XPUSHi(when - lasttime);
4148 /* Shared memory. */
4162 return pp_shmwrite();
4167 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4168 djSP; dMARK; dTARGET;
4169 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4178 /* Message passing. */
4192 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4193 djSP; dMARK; dTARGET;
4194 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4205 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4206 djSP; dMARK; dTARGET;
4207 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4220 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4221 djSP; dMARK; dTARGET;
4222 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4229 DIE(aTHX_ "System V IPC is not implemented on this machine");
4235 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4236 djSP; dMARK; dTARGET;
4237 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4245 PUSHp(zero_but_true, ZBTLEN);
4255 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4256 djSP; dMARK; dTARGET;
4257 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4266 /* Get system info. */
4270 #ifdef HAS_GETHOSTBYNAME
4271 return pp_ghostent();
4273 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4279 #ifdef HAS_GETHOSTBYADDR
4280 return pp_ghostent();
4282 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4289 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4290 I32 which = PL_op->op_type;
4291 register char **elem;
4293 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4294 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4295 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4296 struct hostent *PerlSock_gethostent(void);
4298 struct hostent *hent;
4303 if (which == OP_GHBYNAME)
4304 #ifdef HAS_GETHOSTBYNAME
4305 hent = PerlSock_gethostbyname(POPpx);
4307 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4309 else if (which == OP_GHBYADDR) {
4310 #ifdef HAS_GETHOSTBYADDR
4311 int addrtype = POPi;
4314 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4316 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4318 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4322 #ifdef HAS_GETHOSTENT
4323 hent = PerlSock_gethostent();
4325 DIE(aTHX_ PL_no_sock_func, "gethostent");
4328 #ifdef HOST_NOT_FOUND
4330 STATUS_NATIVE_SET(h_errno);
4333 if (GIMME != G_ARRAY) {
4334 PUSHs(sv = sv_newmortal());
4336 if (which == OP_GHBYNAME) {
4338 sv_setpvn(sv, hent->h_addr, hent->h_length);
4341 sv_setpv(sv, (char*)hent->h_name);
4347 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4348 sv_setpv(sv, (char*)hent->h_name);
4349 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4350 for (elem = hent->h_aliases; elem && *elem; elem++) {
4351 sv_catpv(sv, *elem);
4353 sv_catpvn(sv, " ", 1);
4355 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4356 sv_setiv(sv, (IV)hent->h_addrtype);
4357 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4358 len = hent->h_length;
4359 sv_setiv(sv, (IV)len);
4361 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4362 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4363 sv_setpvn(sv, *elem, len);
4366 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4368 sv_setpvn(sv, hent->h_addr, len);
4373 DIE(aTHX_ PL_no_sock_func, "gethostent");
4379 #ifdef HAS_GETNETBYNAME
4380 return pp_gnetent();
4382 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4388 #ifdef HAS_GETNETBYADDR
4389 return pp_gnetent();
4391 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4398 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4399 I32 which = PL_op->op_type;
4400 register char **elem;
4402 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4403 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4404 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4405 struct netent *PerlSock_getnetent(void);
4407 struct netent *nent;
4410 if (which == OP_GNBYNAME)
4411 #ifdef HAS_GETNETBYNAME
4412 nent = PerlSock_getnetbyname(POPpx);
4414 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4416 else if (which == OP_GNBYADDR) {
4417 #ifdef HAS_GETNETBYADDR
4418 int addrtype = POPi;
4419 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4420 nent = PerlSock_getnetbyaddr(addr, addrtype);
4422 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4426 #ifdef HAS_GETNETENT
4427 nent = PerlSock_getnetent();
4429 DIE(aTHX_ PL_no_sock_func, "getnetent");
4433 if (GIMME != G_ARRAY) {
4434 PUSHs(sv = sv_newmortal());
4436 if (which == OP_GNBYNAME)
4437 sv_setiv(sv, (IV)nent->n_net);
4439 sv_setpv(sv, nent->n_name);
4445 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4446 sv_setpv(sv, nent->n_name);
4447 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4448 for (elem = nent->n_aliases; elem && *elem; elem++) {
4449 sv_catpv(sv, *elem);
4451 sv_catpvn(sv, " ", 1);
4453 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4454 sv_setiv(sv, (IV)nent->n_addrtype);
4455 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4456 sv_setiv(sv, (IV)nent->n_net);
4461 DIE(aTHX_ PL_no_sock_func, "getnetent");
4467 #ifdef HAS_GETPROTOBYNAME
4468 return pp_gprotoent();
4470 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4476 #ifdef HAS_GETPROTOBYNUMBER
4477 return pp_gprotoent();
4479 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4486 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4487 I32 which = PL_op->op_type;
4488 register char **elem;
4490 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4491 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4492 struct protoent *PerlSock_getprotobynumber(int);
4493 struct protoent *PerlSock_getprotoent(void);
4495 struct protoent *pent;
4498 if (which == OP_GPBYNAME)
4499 #ifdef HAS_GETPROTOBYNAME
4500 pent = PerlSock_getprotobyname(POPpx);
4502 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4504 else if (which == OP_GPBYNUMBER)
4505 #ifdef HAS_GETPROTOBYNUMBER
4506 pent = PerlSock_getprotobynumber(POPi);
4508 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4511 #ifdef HAS_GETPROTOENT
4512 pent = PerlSock_getprotoent();
4514 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4518 if (GIMME != G_ARRAY) {
4519 PUSHs(sv = sv_newmortal());
4521 if (which == OP_GPBYNAME)
4522 sv_setiv(sv, (IV)pent->p_proto);
4524 sv_setpv(sv, pent->p_name);
4530 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4531 sv_setpv(sv, pent->p_name);
4532 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4533 for (elem = pent->p_aliases; elem && *elem; elem++) {
4534 sv_catpv(sv, *elem);
4536 sv_catpvn(sv, " ", 1);
4538 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4539 sv_setiv(sv, (IV)pent->p_proto);
4544 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4550 #ifdef HAS_GETSERVBYNAME
4551 return pp_gservent();
4553 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4559 #ifdef HAS_GETSERVBYPORT
4560 return pp_gservent();
4562 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4569 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4570 I32 which = PL_op->op_type;
4571 register char **elem;
4573 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4574 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4575 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4576 struct servent *PerlSock_getservent(void);
4578 struct servent *sent;
4581 if (which == OP_GSBYNAME) {
4582 #ifdef HAS_GETSERVBYNAME
4583 char *proto = POPpx;
4586 if (proto && !*proto)
4589 sent = PerlSock_getservbyname(name, proto);
4591 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4594 else if (which == OP_GSBYPORT) {
4595 #ifdef HAS_GETSERVBYPORT
4596 char *proto = POPpx;
4597 unsigned short port = POPu;
4600 port = PerlSock_htons(port);
4602 sent = PerlSock_getservbyport(port, proto);
4604 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4608 #ifdef HAS_GETSERVENT
4609 sent = PerlSock_getservent();
4611 DIE(aTHX_ PL_no_sock_func, "getservent");
4615 if (GIMME != G_ARRAY) {
4616 PUSHs(sv = sv_newmortal());
4618 if (which == OP_GSBYNAME) {
4620 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4622 sv_setiv(sv, (IV)(sent->s_port));
4626 sv_setpv(sv, sent->s_name);
4632 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4633 sv_setpv(sv, sent->s_name);
4634 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4635 for (elem = sent->s_aliases; elem && *elem; elem++) {
4636 sv_catpv(sv, *elem);
4638 sv_catpvn(sv, " ", 1);
4640 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4642 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4644 sv_setiv(sv, (IV)(sent->s_port));
4646 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4647 sv_setpv(sv, sent->s_proto);
4652 DIE(aTHX_ PL_no_sock_func, "getservent");
4659 #ifdef HAS_SETHOSTENT
4660 PerlSock_sethostent(TOPi);
4663 DIE(aTHX_ PL_no_sock_func, "sethostent");
4670 #ifdef HAS_SETNETENT
4671 PerlSock_setnetent(TOPi);
4674 DIE(aTHX_ PL_no_sock_func, "setnetent");
4681 #ifdef HAS_SETPROTOENT
4682 PerlSock_setprotoent(TOPi);
4685 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4692 #ifdef HAS_SETSERVENT
4693 PerlSock_setservent(TOPi);
4696 DIE(aTHX_ PL_no_sock_func, "setservent");
4703 #ifdef HAS_ENDHOSTENT
4704 PerlSock_endhostent();
4708 DIE(aTHX_ PL_no_sock_func, "endhostent");
4715 #ifdef HAS_ENDNETENT
4716 PerlSock_endnetent();
4720 DIE(aTHX_ PL_no_sock_func, "endnetent");
4727 #ifdef HAS_ENDPROTOENT
4728 PerlSock_endprotoent();
4732 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4739 #ifdef HAS_ENDSERVENT
4740 PerlSock_endservent();
4744 DIE(aTHX_ PL_no_sock_func, "endservent");
4753 DIE(aTHX_ PL_no_func, "getpwnam");
4762 DIE(aTHX_ PL_no_func, "getpwuid");
4770 I32 which = PL_op->op_type;
4772 struct passwd *pwent;
4774 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4775 struct spwd *spwent = NULL;
4778 if (which == OP_GPWNAM)
4779 pwent = getpwnam(POPpx);
4780 else if (which == OP_GPWUID)
4781 pwent = getpwuid(POPi);
4783 # ifdef HAS_GETPWENT
4784 pwent = (struct passwd *)getpwent();
4786 DIE(aTHX_ PL_no_func, "getpwent");
4789 # ifdef HAS_GETSPNAM
4790 if (which == OP_GPWNAM) {
4792 spwent = getspnam(pwent->pw_name);
4794 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4795 else if (which == OP_GPWUID) {
4797 spwent = getspnam(pwent->pw_name);
4800 # ifdef HAS_GETSPENT
4802 spwent = (struct spwd *)getspent();
4807 if (GIMME != G_ARRAY) {
4808 PUSHs(sv = sv_newmortal());
4810 if (which == OP_GPWNAM)
4811 # if Uid_t_sign <= 0
4812 sv_setiv(sv, (IV)pwent->pw_uid);
4814 sv_setuv(sv, (UV)pwent->pw_uid);
4817 sv_setpv(sv, pwent->pw_name);
4823 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4824 sv_setpv(sv, pwent->pw_name);
4826 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4828 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4830 sv_setpv(sv, spwent->sp_pwdp);
4832 sv_setpv(sv, pwent->pw_passwd);
4834 sv_setpv(sv, pwent->pw_passwd);
4837 # ifndef INCOMPLETE_TAINTS
4838 /* passwd is tainted because user himself can diddle with it. */
4842 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4843 # if Uid_t_sign <= 0
4844 sv_setiv(sv, (IV)pwent->pw_uid);
4846 sv_setuv(sv, (UV)pwent->pw_uid);
4849 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4850 # if Uid_t_sign <= 0
4851 sv_setiv(sv, (IV)pwent->pw_gid);
4853 sv_setuv(sv, (UV)pwent->pw_gid);
4855 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4856 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4858 sv_setiv(sv, (IV)pwent->pw_change);
4861 sv_setiv(sv, (IV)pwent->pw_quota);
4864 sv_setpv(sv, pwent->pw_age);
4869 /* pw_class and pw_comment are mutually exclusive. */
4870 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4872 sv_setpv(sv, pwent->pw_class);
4875 sv_setpv(sv, pwent->pw_comment);
4879 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4881 sv_setpv(sv, pwent->pw_gecos);
4883 # ifndef INCOMPLETE_TAINTS
4884 /* pw_gecos is tainted because user himself can diddle with it. */
4888 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4889 sv_setpv(sv, pwent->pw_dir);
4891 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4892 sv_setpv(sv, pwent->pw_shell);
4893 # ifndef INCOMPLETE_TAINTS
4894 /* pw_shell is tainted because user himself can diddle with it. */
4899 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4900 sv_setiv(sv, (IV)pwent->pw_expire);
4905 DIE(aTHX_ PL_no_func, "getpwent");
4912 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
4914 # ifdef HAS_SETSPENT
4919 DIE(aTHX_ PL_no_func, "setpwent");
4926 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4928 # ifdef HAS_ENDSPENT
4933 DIE(aTHX_ PL_no_func, "endpwent");
4942 DIE(aTHX_ PL_no_func, "getgrnam");
4951 DIE(aTHX_ PL_no_func, "getgrgid");
4959 I32 which = PL_op->op_type;
4960 register char **elem;
4962 struct group *grent;
4965 if (which == OP_GGRNAM)
4966 grent = (struct group *)getgrnam(POPpx);
4967 else if (which == OP_GGRGID)
4968 grent = (struct group *)getgrgid(POPi);
4971 grent = (struct group *)getgrent();
4973 DIE(aTHX_ PL_no_func, "getgrent");
4977 if (GIMME != G_ARRAY) {
4978 PUSHs(sv = sv_newmortal());
4980 if (which == OP_GGRNAM)
4981 sv_setiv(sv, (IV)grent->gr_gid);
4983 sv_setpv(sv, grent->gr_name);
4989 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4990 sv_setpv(sv, grent->gr_name);
4992 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4994 sv_setpv(sv, grent->gr_passwd);
4997 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4998 sv_setiv(sv, (IV)grent->gr_gid);
5000 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
5001 for (elem = grent->gr_mem; elem && *elem; elem++) {
5002 sv_catpv(sv, *elem);
5004 sv_catpvn(sv, " ", 1);
5010 DIE(aTHX_ PL_no_func, "getgrent");
5017 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5021 DIE(aTHX_ PL_no_func, "setgrent");
5028 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5032 DIE(aTHX_ PL_no_func, "endgrent");
5042 if (!(tmps = PerlProc_getlogin()))
5044 PUSHp(tmps, strlen(tmps));
5047 DIE(aTHX_ PL_no_func, "getlogin");
5051 /* Miscellaneous. */
5056 djSP; dMARK; dORIGMARK; dTARGET;
5057 register I32 items = SP - MARK;
5058 unsigned long a[20];
5064 while (++MARK <= SP) {
5065 if (SvTAINTED(*MARK)) {
5071 TAINT_PROPER("syscall");
5074 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5075 * or where sizeof(long) != sizeof(char*). But such machines will
5076 * not likely have syscall implemented either, so who cares?
5078 while (++MARK <= SP) {
5079 if (SvNIOK(*MARK) || !i)
5080 a[i++] = SvIV(*MARK);
5081 else if (*MARK == &PL_sv_undef)
5084 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5090 DIE(aTHX_ "Too many args to syscall");
5092 DIE(aTHX_ "Too few args to syscall");
5094 retval = syscall(a[0]);
5097 retval = syscall(a[0],a[1]);
5100 retval = syscall(a[0],a[1],a[2]);
5103 retval = syscall(a[0],a[1],a[2],a[3]);
5106 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5109 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5112 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5115 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5119 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5122 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5125 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5129 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5133 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5137 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5138 a[10],a[11],a[12],a[13]);
5140 #endif /* atarist */
5146 DIE(aTHX_ PL_no_func, "syscall");
5150 #ifdef FCNTL_EMULATE_FLOCK
5152 /* XXX Emulate flock() with fcntl().
5153 What's really needed is a good file locking module.
5157 fcntl_emulate_flock(int fd, int operation)
5161 switch (operation & ~LOCK_NB) {
5163 flock.l_type = F_RDLCK;
5166 flock.l_type = F_WRLCK;
5169 flock.l_type = F_UNLCK;
5175 flock.l_whence = SEEK_SET;
5176 flock.l_start = flock.l_len = (Off_t)0;
5178 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5181 #endif /* FCNTL_EMULATE_FLOCK */
5183 #ifdef LOCKF_EMULATE_FLOCK
5185 /* XXX Emulate flock() with lockf(). This is just to increase
5186 portability of scripts. The calls are not completely
5187 interchangeable. What's really needed is a good file
5191 /* The lockf() constants might have been defined in <unistd.h>.
5192 Unfortunately, <unistd.h> causes troubles on some mixed
5193 (BSD/POSIX) systems, such as SunOS 4.1.3.
5195 Further, the lockf() constants aren't POSIX, so they might not be
5196 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5197 just stick in the SVID values and be done with it. Sigh.
5201 # define F_ULOCK 0 /* Unlock a previously locked region */
5204 # define F_LOCK 1 /* Lock a region for exclusive use */
5207 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5210 # define F_TEST 3 /* Test a region for other processes locks */
5214 lockf_emulate_flock(int fd, int operation)
5220 /* flock locks entire file so for lockf we need to do the same */
5222 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5223 if (pos > 0) /* is seekable and needs to be repositioned */
5224 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5225 pos = -1; /* seek failed, so don't seek back afterwards */
5228 switch (operation) {
5230 /* LOCK_SH - get a shared lock */
5232 /* LOCK_EX - get an exclusive lock */
5234 i = lockf (fd, F_LOCK, 0);
5237 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5238 case LOCK_SH|LOCK_NB:
5239 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5240 case LOCK_EX|LOCK_NB:
5241 i = lockf (fd, F_TLOCK, 0);
5243 if ((errno == EAGAIN) || (errno == EACCES))
5244 errno = EWOULDBLOCK;
5247 /* LOCK_UN - unlock (non-blocking is a no-op) */
5249 case LOCK_UN|LOCK_NB:
5250 i = lockf (fd, F_ULOCK, 0);
5253 /* Default - can't decipher operation */
5260 if (pos > 0) /* need to restore position of the handle */
5261 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5266 #endif /* LOCKF_EMULATE_FLOCK */