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>
201 /* XXX Configure test needed for eaccess */
204 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK, ACC_SELF))
205 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK, ACC_SELF))
206 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK, ACC_SELF))
209 # define PERL_EFF_ACCESS_R_OK(p) (eaccess((p), R_OK))
210 # define PERL_EFF_ACCESS_W_OK(p) (eaccess((p), W_OK))
211 # define PERL_EFF_ACCESS_X_OK(p) (eaccess((p), X_OK))
215 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESSX) && defined(ACC_SELF)
217 # define PERL_EFF_ACCESS_R_OK(p) (accessx((p), R_OK, ACC_SELF))
218 # define PERL_EFF_ACCESS_W_OK(p) (accessx((p), W_OK, ACC_SELF))
219 # define PERL_EFF_ACCESS_X_OK(p) (accessx((p), X_OK, ACC_SELF))
222 #if !defined(PERL_EFF_ACCESS_R_OK) && defined(HAS_ACCESS) \
223 && (defined(HAS_SETREUID) || defined(HAS_SETRESUID) \
224 || defined(HAS_SETREGID) || defined(HAS_SETRESGID))
227 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
229 Uid_t ruid = getuid();
230 Uid_t euid = geteuid();
231 Gid_t rgid = getgid();
232 Gid_t egid = getegid();
236 #if !defined(HAS_SETREUID) && !defined(HAS_SETRESUID)
237 Perl_croak(aTHX_ "switching effective uid is not implemented");
240 if (setreuid(euid, ruid))
243 if (setresuid(euid, ruid, (Uid_t)-1))
246 Perl_croak(aTHX_ "entering effective uid failed");
249 #if !defined(HAS_SETREGID) && !defined(HAS_SETRESGID)
250 Perl_croak(aTHX_ "switching effective gid is not implemented");
253 if (setregid(egid, rgid))
256 if (setresgid(egid, rgid, (Gid_t)-1))
259 Perl_croak(aTHX_ "entering effective gid failed");
262 res = access(path, mode);
265 if (setreuid(ruid, euid))
268 if (setresuid(ruid, euid, (Uid_t)-1))
271 Perl_croak(aTHX_ "leaving effective uid failed");
274 if (setregid(rgid, egid))
277 if (setresgid(rgid, egid, (Gid_t)-1))
280 Perl_croak(aTHX_ "leaving effective gid failed");
285 # define PERL_EFF_ACCESS_R_OK(p) (emulate_eaccess((p), R_OK))
286 # define PERL_EFF_ACCESS_W_OK(p) (emulate_eaccess((p), W_OK))
287 # define PERL_EFF_ACCESS_X_OK(p) (emulate_eaccess((p), X_OK))
290 #if !defined(PERL_EFF_ACCESS_R_OK)
292 S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
294 Perl_croak(aTHX_ "switching effective uid is not implemented");
310 if (PL_op->op_private & OPpOPEN_IN_RAW)
312 else if (PL_op->op_private & OPpOPEN_IN_CRLF)
314 fp = PerlProc_popen(tmps, mode);
316 if (gimme == G_VOID) {
318 while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
322 else if (gimme == G_SCALAR) {
323 sv_setpv(TARG, ""); /* note that this preserves previous buffer */
324 while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
335 if (sv_gets(sv, fp, 0) == Nullch) {
339 XPUSHs(sv_2mortal(sv));
340 if (SvLEN(sv) - SvCUR(sv) > 20) {
341 SvLEN_set(sv, SvCUR(sv)+1);
342 Renew(SvPVX(sv), SvLEN(sv), char);
347 STATUS_NATIVE_SET(PerlProc_pclose(fp));
348 TAINT; /* "I believe that this is not gratuitous!" */
351 STATUS_NATIVE_SET(-1);
352 if (gimme == G_SCALAR)
362 tryAMAGICunTARGET(iter, -1);
364 /* Note that we only ever get here if File::Glob fails to load
365 * without at the same time croaking, for some reason, or if
366 * perl was built with PERL_EXTERNAL_GLOB */
373 * The external globbing program may use things we can't control,
374 * so for security reasons we must assume the worst.
377 taint_proper(PL_no_security, "glob");
381 SAVESPTR(PL_last_in_gv); /* We don't want this to be permanent. */
382 PL_last_in_gv = (GV*)*PL_stack_sp--;
384 SAVESPTR(PL_rs); /* This is not permanent, either. */
385 PL_rs = sv_2mortal(newSVpvn("\000", 1));
388 *SvPVX(PL_rs) = '\n';
392 result = do_readline();
397 #if 0 /* XXX never used! */
401 PL_last_in_gv = gv_fetchpv(SvPVx(GvSV((GV*)(*PL_stack_sp--)), n_a), TRUE,SVt_PVIO);
402 return do_readline();
408 PL_last_in_gv = cGVOP_gv;
409 return do_readline();
418 if (SP - MARK != 1) {
420 do_join(TARG, &PL_sv_no, MARK, SP);
427 tmps = SvPV(tmpsv, len);
430 (void)SvUPGRADE(error, SVt_PV);
431 if (SvPOK(error) && SvCUR(error))
432 sv_catpv(error, "\t...caught");
434 tmps = SvPV(tmpsv, len);
437 tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
439 Perl_warn(aTHX_ "%"SVf, tmpsv);
450 if (SP - MARK != 1) {
452 do_join(TARG, &PL_sv_no, MARK, SP);
454 tmps = SvPV(tmpsv, len);
460 tmps = SvROK(tmpsv) ? Nullch : SvPV(tmpsv, len);
464 (void)SvUPGRADE(error, SVt_PV);
465 if (multiarg ? SvROK(error) : SvROK(tmpsv)) {
467 SvSetSV(error,tmpsv);
468 else if (sv_isobject(error)) {
469 HV *stash = SvSTASH(SvRV(error));
470 GV *gv = gv_fetchmethod(stash, "PROPAGATE");
472 SV *file = sv_2mortal(newSVpv(CopFILE(PL_curcop),0));
473 SV *line = sv_2mortal(newSVuv(CopLINE(PL_curcop)));
480 call_sv((SV*)GvCV(gv),
481 G_SCALAR|G_EVAL|G_KEEPERR);
482 sv_setsv(error,*PL_stack_sp--);
488 if (SvPOK(error) && SvCUR(error))
489 sv_catpv(error, "\t...propagated");
491 tmps = SvPV(tmpsv, len);
495 tmpsv = sv_2mortal(newSVpvn("Died", 4));
497 DIE(aTHX_ "%"SVf, tmpsv);
520 DIE(aTHX_ PL_no_usym, "filehandle");
525 DIE(aTHX_ PL_no_usym, "filehandle");
527 IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
529 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
531 XPUSHs(SvTIED_obj((SV*)gv, mg));
537 call_method("OPEN", G_SCALAR);
543 tmps = SvPV(sv, len);
544 if (do_open9(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, name, have_name))
545 PUSHi( (I32)PL_forkprocess );
546 else if (PL_forkprocess == 0) /* we are a new child */
564 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
566 XPUSHs(SvTIED_obj((SV*)gv, mg));
569 call_method("CLOSE", G_SCALAR);
575 PUSHs(boolSV(do_close(gv, TRUE)));
595 if (SvTYPE(rgv) != SVt_PVGV || SvTYPE(wgv) != SVt_PVGV)
596 DIE(aTHX_ PL_no_usym, "filehandle");
601 do_close(rgv, FALSE);
603 do_close(wgv, FALSE);
605 if (PerlProc_pipe(fd) < 0)
608 IoIFP(rstio) = PerlIO_fdopen(fd[0], "r");
609 IoOFP(wstio) = PerlIO_fdopen(fd[1], "w");
610 IoIFP(wstio) = IoOFP(wstio);
614 if (!IoIFP(rstio) || !IoOFP(wstio)) {
615 if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
616 else PerlLIO_close(fd[0]);
617 if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
618 else PerlLIO_close(fd[1]);
621 #if defined(HAS_FCNTL) && defined(F_SETFD)
622 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
623 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
630 DIE(aTHX_ PL_no_func, "pipe");
646 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
648 XPUSHs(SvTIED_obj((SV*)gv, mg));
651 call_method("FILENO", G_SCALAR);
657 if (!gv || !(io = GvIO(gv)) || !(fp = IoIFP(io)))
659 PUSHi(PerlIO_fileno(fp));
670 anum = PerlLIO_umask(0);
671 (void)PerlLIO_umask(anum);
674 anum = PerlLIO_umask(POPi);
675 TAINT_PROPER("umask");
678 /* Only DIE if trying to restrict permissions on `user' (self).
679 * Otherwise it's harmless and more useful to just return undef
680 * since 'group' and 'other' concepts probably don't exist here. */
681 if (MAXARG >= 1 && (POPi & 0700))
682 DIE(aTHX_ "umask not implemented");
683 XPUSHs(&PL_sv_undef);
704 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
706 XPUSHs(SvTIED_obj((SV*)gv, mg));
711 call_method("BINMODE", G_SCALAR);
718 if (!(io = GvIO(gv)) || !(fp = IoIFP(io)))
721 if (do_binmode(fp,IoTYPE(io),mode_from_discipline(discp)))
735 I32 markoff = MARK - PL_stack_base;
742 switch(SvTYPE(varsv)) {
744 methname = "TIEHASH";
747 methname = "TIEARRAY";
750 methname = "TIEHANDLE";
754 methname = "TIESCALAR";
759 if (sv_isobject(*MARK)) {
761 PUSHSTACKi(PERLSI_MAGIC);
767 call_method(methname, G_SCALAR);
770 /* Not clear why we don't call call_method here too.
771 * perhaps to get different error message ?
773 stash = gv_stashsv(*MARK, FALSE);
774 if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
775 DIE(aTHX_ "Can't locate object method \"%s\" via package \"%s\"",
776 methname, SvPV(*MARK,n_a));
779 PUSHSTACKi(PERLSI_MAGIC);
785 call_sv((SV*)GvCV(gv), G_SCALAR);
791 if (sv_isobject(sv)) {
792 sv_unmagic(varsv, how);
793 sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
796 SP = PL_stack_base + markoff;
805 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
807 if (ckWARN(WARN_UNTIE)) {
809 if ((mg = SvTIED_mg(sv, how))) {
810 if (mg && SvREFCNT(SvRV(mg->mg_obj)) > 1)
811 Perl_warner(aTHX_ WARN_UNTIE,
812 "untie attempted while %"UVuf" inner references still exist",
813 (UV)SvREFCNT(SvRV(mg->mg_obj)) - 1 ) ;
825 char how = (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) ? 'P' : 'q';
828 if ((mg = SvTIED_mg(sv, how))) {
829 SV *osv = SvTIED_obj(sv, mg);
830 if (osv == mg->mg_obj)
831 osv = sv_mortalcopy(osv);
849 sv = sv_mortalcopy(&PL_sv_no);
850 sv_setpv(sv, "AnyDBM_File");
851 stash = gv_stashsv(sv, FALSE);
852 if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
854 require_pv("AnyDBM_File.pm");
856 if (!(gv = gv_fetchmethod(stash, "TIEHASH")))
857 DIE(aTHX_ "No dbm on this machine");
867 PUSHs(sv_2mortal(newSVuv(O_RDWR|O_CREAT)));
869 PUSHs(sv_2mortal(newSVuv(O_RDWR)));
872 call_sv((SV*)GvCV(gv), G_SCALAR);
875 if (!sv_isobject(TOPs)) {
880 PUSHs(sv_2mortal(newSVuv(O_RDONLY)));
883 call_sv((SV*)GvCV(gv), G_SCALAR);
887 if (sv_isobject(TOPs)) {
888 sv_unmagic((SV *) hv, 'P');
889 sv_magic((SV*)hv, TOPs, 'P', Nullch, 0);
911 struct timeval timebuf;
912 struct timeval *tbuf = &timebuf;
916 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
921 # if BYTEORDER & 0xf0000
922 # define ORDERBYTE (0x88888888 - BYTEORDER)
924 # define ORDERBYTE (0x4444 - BYTEORDER)
930 for (i = 1; i <= 3; i++) {
938 /* little endians can use vecs directly */
939 #if BYTEORDER == 0x1234 || BYTEORDER == 0x12345678
940 # if SELECT_MIN_BITS > 1
941 /* If SELECT_MIN_BITS is greater than one we most probably will want
942 * to align the sizes with SELECT_MIN_BITS/8 because for example
943 * in many little-endian (Intel, Alpha) systems (Linux, OS/2, Digital
944 * UNIX, Solaris, NeXT, Darwin) the smallest quantum select() operates
945 * on (sets/tests/clears bits) is 32 bits. */
946 growsize = maxlen + (SELECT_MIN_BITS/8 - (maxlen % (SELECT_MIN_BITS/8)));
948 growsize = sizeof(fd_set);
957 masksize = NFDBITS / NBBY;
959 masksize = sizeof(long); /* documented int, everyone seems to use long */
961 growsize = maxlen + (masksize - (maxlen % masksize));
962 Zero(&fd_sets[0], 4, char*);
970 timebuf.tv_sec = (long)value;
971 value -= (NV)timebuf.tv_sec;
972 timebuf.tv_usec = (long)(value * 1000000.0);
975 tbuf = Null(struct timeval*);
977 for (i = 1; i <= 3; i++) {
984 SvPV_force(sv,n_a); /* force string conversion */
987 Sv_Grow(sv, growsize);
991 while (++j <= growsize) {
995 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
997 New(403, fd_sets[i], growsize, char);
998 for (offset = 0; offset < growsize; offset += masksize) {
999 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1000 fd_sets[i][j+offset] = s[(k % masksize) + offset];
1003 fd_sets[i] = SvPVX(sv);
1007 nfound = PerlSock_select(
1009 (Select_fd_set_t) fd_sets[1],
1010 (Select_fd_set_t) fd_sets[2],
1011 (Select_fd_set_t) fd_sets[3],
1013 for (i = 1; i <= 3; i++) {
1016 #if BYTEORDER != 0x1234 && BYTEORDER != 0x12345678
1018 for (offset = 0; offset < growsize; offset += masksize) {
1019 for (j = 0, k=ORDERBYTE; j < masksize; j++, (k >>= 4))
1020 s[(k % masksize) + offset] = fd_sets[i][j+offset];
1022 Safefree(fd_sets[i]);
1029 if (GIMME == G_ARRAY && tbuf) {
1030 value = (NV)(timebuf.tv_sec) +
1031 (NV)(timebuf.tv_usec) / 1000000.0;
1032 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
1033 sv_setnv(sv, value);
1037 DIE(aTHX_ "select not implemented");
1042 Perl_setdefout(pTHX_ GV *gv)
1046 (void)SvREFCNT_inc(gv);
1048 SvREFCNT_dec(PL_defoutgv);
1055 GV *newdefout, *egv;
1058 newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
1060 egv = GvEGV(PL_defoutgv);
1065 XPUSHs(&PL_sv_undef);
1067 GV **gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
1068 if (gvp && *gvp == egv) {
1069 gv_efullname3(TARG, PL_defoutgv, Nullch);
1073 XPUSHs(sv_2mortal(newRV((SV*)egv)));
1078 if (!GvIO(newdefout))
1079 gv_IOadd(newdefout);
1080 setdefout(newdefout);
1097 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1098 I32 gimme = GIMME_V;
1100 XPUSHs(SvTIED_obj((SV*)gv, mg));
1103 call_method("GETC", gimme);
1106 if (gimme == G_SCALAR)
1107 SvSetMagicSV_nosteal(TARG, TOPs);
1110 if (!gv || do_eof(gv)) /* make sure we have fp with something */
1113 sv_setpv(TARG, " ");
1114 *SvPVX(TARG) = PerlIO_getc(IoIFP(GvIOp(gv))); /* should never be EOF */
1121 return pp_sysread();
1125 S_doform(pTHX_ CV *cv, GV *gv, OP *retop)
1128 register PERL_CONTEXT *cx;
1129 I32 gimme = GIMME_V;
1130 AV* padlist = CvPADLIST(cv);
1131 SV** svp = AvARRAY(padlist);
1137 PUSHBLOCK(cx, CXt_FORMAT, PL_stack_sp);
1139 SAVEVPTR(PL_curpad);
1140 PL_curpad = AvARRAY((AV*)svp[1]);
1142 setdefout(gv); /* locally select filehandle so $% et al work */
1174 SV *tmpsv = sv_newmortal();
1175 gv_efullname3(tmpsv, fgv, Nullch);
1176 DIE(aTHX_ "Undefined format \"%s\" called",SvPVX(tmpsv));
1178 DIE(aTHX_ "Not a format reference");
1181 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1183 IoFLAGS(io) &= ~IOf_DIDTOP;
1184 return doform(cv,gv,PL_op->op_next);
1190 GV *gv = cxstack[cxstack_ix].blk_sub.gv;
1191 register IO *io = GvIOp(gv);
1192 PerlIO *ofp = IoOFP(io);
1196 register PERL_CONTEXT *cx;
1198 DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
1199 (long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
1200 if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
1201 PL_formtarget != PL_toptarget)
1205 if (!IoTOP_GV(io)) {
1209 if (!IoTOP_NAME(io)) {
1210 if (!IoFMT_NAME(io))
1211 IoFMT_NAME(io) = savepv(GvNAME(gv));
1212 topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", IoFMT_NAME(io)));
1213 topgv = gv_fetchpv(SvPVX(topname), FALSE, SVt_PVFM);
1214 if ((topgv && GvFORM(topgv)) ||
1215 !gv_fetchpv("top",FALSE,SVt_PVFM))
1216 IoTOP_NAME(io) = savepv(SvPVX(topname));
1218 IoTOP_NAME(io) = savepv("top");
1220 topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
1221 if (!topgv || !GvFORM(topgv)) {
1222 IoLINES_LEFT(io) = 100000000;
1225 IoTOP_GV(io) = topgv;
1227 if (IoFLAGS(io) & IOf_DIDTOP) { /* Oh dear. It still doesn't fit. */
1228 I32 lines = IoLINES_LEFT(io);
1229 char *s = SvPVX(PL_formtarget);
1230 if (lines <= 0) /* Yow, header didn't even fit!!! */
1232 while (lines-- > 0) {
1233 s = strchr(s, '\n');
1239 PerlIO_write(ofp, SvPVX(PL_formtarget), s - SvPVX(PL_formtarget));
1240 sv_chop(PL_formtarget, s);
1241 FmLINES(PL_formtarget) -= IoLINES_LEFT(io);
1244 if (IoLINES_LEFT(io) >= 0 && IoPAGE(io) > 0)
1245 PerlIO_write(ofp, SvPVX(PL_formfeed), SvCUR(PL_formfeed));
1246 IoLINES_LEFT(io) = IoPAGE_LEN(io);
1248 PL_formtarget = PL_toptarget;
1249 IoFLAGS(io) |= IOf_DIDTOP;
1252 DIE(aTHX_ "bad top format reference");
1255 SV *tmpsv = sv_newmortal();
1256 gv_efullname3(tmpsv, fgv, Nullch);
1257 DIE(aTHX_ "Undefined top format \"%s\" called",SvPVX(tmpsv));
1260 cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
1261 return doform(cv,gv,PL_op);
1265 POPBLOCK(cx,PL_curpm);
1271 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1273 SV* sv = sv_newmortal();
1274 gv_efullname3(sv, gv, Nullch);
1275 Perl_warner(aTHX_ WARN_IO,
1276 "Filehandle %s opened only for input",
1279 else if (ckWARN(WARN_CLOSED))
1280 report_closed_fh(gv, io, "write", "filehandle");
1285 if ((IoLINES_LEFT(io) -= FmLINES(PL_formtarget)) < 0) {
1286 if (ckWARN(WARN_IO))
1287 Perl_warner(aTHX_ WARN_IO, "page overflow");
1289 if (!PerlIO_write(ofp, SvPVX(PL_formtarget), SvCUR(PL_formtarget)) ||
1293 FmLINES(PL_formtarget) = 0;
1294 SvCUR_set(PL_formtarget, 0);
1295 *SvEND(PL_formtarget) = '\0';
1296 if (IoFLAGS(io) & IOf_FLUSH)
1297 (void)PerlIO_flush(fp);
1301 PL_formtarget = PL_bodytarget;
1303 return pop_return();
1308 djSP; dMARK; dORIGMARK;
1316 if (PL_op->op_flags & OPf_STACKED)
1321 if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
1322 if (MARK == ORIGMARK) {
1325 Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
1329 *MARK = SvTIED_obj((SV*)gv, mg);
1332 call_method("PRINTF", G_SCALAR);
1335 MARK = ORIGMARK + 1;
1342 if (!(io = GvIO(gv))) {
1343 if (ckWARN(WARN_UNOPENED)) {
1344 gv_efullname3(sv, gv, Nullch);
1345 Perl_warner(aTHX_ WARN_UNOPENED,
1346 "Filehandle %s never opened", SvPV(sv,n_a));
1348 SETERRNO(EBADF,RMS$_IFI);
1351 else if (!(fp = IoOFP(io))) {
1352 if (ckWARN2(WARN_CLOSED,WARN_IO)) {
1354 gv_efullname3(sv, gv, Nullch);
1355 Perl_warner(aTHX_ WARN_IO,
1356 "Filehandle %s opened only for input",
1359 else if (ckWARN(WARN_CLOSED))
1360 report_closed_fh(gv, io, "printf", "filehandle");
1362 SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
1366 do_sprintf(sv, SP - MARK, MARK + 1);
1367 if (!do_print(sv, fp))
1370 if (IoFLAGS(io) & IOf_FLUSH)
1371 if (PerlIO_flush(fp) == EOF)
1382 PUSHs(&PL_sv_undef);
1403 /* Need TIEHANDLE method ? */
1405 tmps = SvPV(sv, len);
1406 if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
1407 IoLINES(GvIOp(gv)) = 0;
1411 PUSHs(&PL_sv_undef);
1418 djSP; dMARK; dORIGMARK; dTARGET;
1424 Sock_size_t bufsize;
1430 if ((PL_op->op_type == OP_READ || PL_op->op_type == OP_SYSREAD) &&
1431 (mg = SvTIED_mg((SV*)gv, 'q')))
1436 *MARK = SvTIED_obj((SV*)gv, mg);
1438 call_method("READ", G_SCALAR);
1451 sv_setpvn(bufsv, "", 0);
1452 buffer = SvPV_force(bufsv, blen);
1453 length = SvIVx(*++MARK);
1455 DIE(aTHX_ "Negative length");
1458 offset = SvIVx(*++MARK);
1462 if (!io || !IoIFP(io))
1465 if (PL_op->op_type == OP_RECV) {
1466 char namebuf[MAXPATHLEN];
1467 #if (defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)) || defined(MPE)
1468 bufsize = sizeof (struct sockaddr_in);
1470 bufsize = sizeof namebuf;
1472 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1476 #ifdef OS2 /* At least Warp3+IAK: only the first byte of bufsize set */
1480 buffer = SvGROW(bufsv, length+1);
1481 /* 'offset' means 'flags' here */
1482 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer, length, offset,
1483 (struct sockaddr *)namebuf, &bufsize);
1486 SvCUR_set(bufsv, length);
1487 *SvEND(bufsv) = '\0';
1488 (void)SvPOK_only(bufsv);
1490 /* This should not be marked tainted if the fp is marked clean */
1491 if (!(IoFLAGS(io) & IOf_UNTAINT))
1492 SvTAINTED_on(bufsv);
1494 sv_setpvn(TARG, namebuf, bufsize);
1499 if (PL_op->op_type == OP_RECV)
1500 DIE(aTHX_ PL_no_sock_func, "recv");
1504 DIE(aTHX_ "Offset outside string");
1507 bufsize = SvCUR(bufsv);
1508 buffer = SvGROW(bufsv, length+offset+1);
1509 if (offset > bufsize) { /* Zero any newly allocated space */
1510 Zero(buffer+bufsize, offset-bufsize, char);
1512 if (PL_op->op_type == OP_SYSREAD) {
1513 #ifdef PERL_SOCK_SYSREAD_IS_RECV
1514 if (IoTYPE(io) == 's') {
1515 length = PerlSock_recv(PerlIO_fileno(IoIFP(io)),
1516 buffer+offset, length, 0);
1521 length = PerlLIO_read(PerlIO_fileno(IoIFP(io)),
1522 buffer+offset, length);
1526 #ifdef HAS_SOCKET__bad_code_maybe
1527 if (IoTYPE(io) == 's') {
1528 char namebuf[MAXPATHLEN];
1529 #if defined(VMS_DO_SOCKETS) && defined(DECCRTL_SOCKETS)
1530 bufsize = sizeof (struct sockaddr_in);
1532 bufsize = sizeof namebuf;
1534 length = PerlSock_recvfrom(PerlIO_fileno(IoIFP(io)), buffer+offset, length, 0,
1535 (struct sockaddr *)namebuf, &bufsize);
1540 length = PerlIO_read(IoIFP(io), buffer+offset, length);
1541 /* fread() returns 0 on both error and EOF */
1542 if (length == 0 && PerlIO_error(IoIFP(io)))
1546 if ((IoTYPE(io) == '>' || IoIFP(io) == PerlIO_stdout()
1547 || IoIFP(io) == PerlIO_stderr()) && ckWARN(WARN_IO))
1549 SV* sv = sv_newmortal();
1550 gv_efullname3(sv, gv, Nullch);
1551 Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
1556 SvCUR_set(bufsv, length+offset);
1557 *SvEND(bufsv) = '\0';
1558 (void)SvPOK_only(bufsv);
1560 /* This should not be marked tainted if the fp is marked clean */
1561 if (!(IoFLAGS(io) & IOf_UNTAINT))
1562 SvTAINTED_on(bufsv);
1575 int items = (SP - PL_stack_base) - TOPMARK;
1579 sv = sv_2mortal(newSViv(sv_len(*SP)));
1588 djSP; dMARK; dORIGMARK; dTARGET;
1600 if (PL_op->op_type == OP_SYSWRITE && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1604 *MARK = SvTIED_obj((SV*)gv, mg);
1606 call_method("WRITE", G_SCALAR);
1617 buffer = SvPV(bufsv, blen);
1618 #if Size_t_size > IVSIZE
1619 length = (Size_t)SvNVx(*++MARK);
1621 length = (Size_t)SvIVx(*++MARK);
1623 if ((SSize_t)length < 0)
1624 DIE(aTHX_ "Negative length");
1627 if (!io || !IoIFP(io)) {
1629 if (ckWARN(WARN_CLOSED)) {
1630 if (PL_op->op_type == OP_SYSWRITE)
1631 report_closed_fh(gv, io, "syswrite", "filehandle");
1633 report_closed_fh(gv, io, "send", "socket");
1636 else if (PL_op->op_type == OP_SYSWRITE) {
1638 offset = SvIVx(*++MARK);
1641 DIE(aTHX_ "Offset outside string");
1643 } else if (offset >= blen && blen > 0)
1644 DIE(aTHX_ "Offset outside string");
1647 if (length > blen - offset)
1648 length = blen - offset;
1649 #ifdef PERL_SOCK_SYSWRITE_IS_SEND
1650 if (IoTYPE(io) == 's') {
1651 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)),
1652 buffer+offset, length, 0);
1657 /* See the note at doio.c:do_print about filesize limits. --jhi */
1658 retval = PerlLIO_write(PerlIO_fileno(IoIFP(io)),
1659 buffer+offset, length);
1663 else if (SP > MARK) {
1666 sockbuf = SvPVx(*++MARK, mlen);
1667 retval = PerlSock_sendto(PerlIO_fileno(IoIFP(io)), buffer, blen,
1668 length, (struct sockaddr *)sockbuf, mlen);
1671 retval = PerlSock_send(PerlIO_fileno(IoIFP(io)), buffer, blen, length);
1675 DIE(aTHX_ PL_no_sock_func, "send");
1680 #if Size_t_size > IVSIZE
1694 return pp_sysread();
1704 if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
1706 gv = PL_last_in_gv = PL_argvgv;
1708 if (io && !IoIFP(io)) {
1709 if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
1711 IoFLAGS(io) &= ~IOf_START;
1712 do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
1713 sv_setpvn(GvSV(gv), "-", 1);
1714 SvSETMAGIC(GvSV(gv));
1716 else if (!nextargv(gv))
1721 gv = PL_last_in_gv; /* eof */
1724 gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
1726 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1728 XPUSHs(SvTIED_obj((SV*)gv, mg));
1731 call_method("EOF", G_SCALAR);
1737 PUSHs(boolSV(!gv || do_eof(gv)));
1750 gv = PL_last_in_gv = (GV*)POPs;
1752 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1754 XPUSHs(SvTIED_obj((SV*)gv, mg));
1757 call_method("TELL", G_SCALAR);
1763 #if LSEEKSIZE > IVSIZE
1764 PUSHn( do_tell(gv) );
1766 PUSHi( do_tell(gv) );
1773 return pp_sysseek();
1781 #if LSEEKSIZE > IVSIZE
1782 Off_t offset = (Off_t)SvNVx(POPs);
1784 Off_t offset = (Off_t)SvIVx(POPs);
1788 gv = PL_last_in_gv = (GV*)POPs;
1790 if (gv && (mg = SvTIED_mg((SV*)gv, 'q'))) {
1792 XPUSHs(SvTIED_obj((SV*)gv, mg));
1793 #if LSEEKSIZE > IVSIZE
1794 XPUSHs(sv_2mortal(newSVnv((NV) offset)));
1796 XPUSHs(sv_2mortal(newSViv(offset)));
1798 XPUSHs(sv_2mortal(newSViv(whence)));
1801 call_method("SEEK", G_SCALAR);
1807 if (PL_op->op_type == OP_SEEK)
1808 PUSHs(boolSV(do_seek(gv, offset, whence)));
1810 Off_t sought = do_sysseek(gv, offset, whence);
1812 PUSHs(&PL_sv_undef);
1815 #if LSEEKSIZE > IVSIZE
1820 : newSVpvn(zero_but_true, ZBTLEN);
1821 PUSHs(sv_2mortal(sv));
1830 /* There seems to be no consensus on the length type of truncate()
1831 * and ftruncate(), both off_t and size_t have supporters. In
1832 * general one would think that when using large files, off_t is
1833 * at least as wide as size_t, so using an off_t should be okay. */
1834 /* XXX Configure probe for the length type of *truncate() needed XXX */
1840 #if Size_t_size > IVSIZE
1845 /* Checking for length < 0 is problematic as the type might or
1846 * might not be signed: if it is not, clever compilers will moan. */
1847 /* XXX Configure probe for the signedness of the length type of *truncate() needed? XXX */
1849 #if defined(HAS_TRUNCATE) || defined(HAS_CHSIZE) || defined(F_FREESP)
1850 if (PL_op->op_flags & OPf_SPECIAL) {
1851 tmpgv = gv_fetchpv(POPpx, FALSE, SVt_PVIO);
1853 TAINT_PROPER("truncate");
1854 if (!GvIO(tmpgv) || !IoIFP(GvIOp(tmpgv)))
1857 PerlIO_flush(IoIFP(GvIOp(tmpgv)));
1859 if (ftruncate(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1861 if (my_chsize(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), len) < 0)
1871 if (SvTYPE(sv) == SVt_PVGV) {
1872 tmpgv = (GV*)sv; /* *main::FRED for example */
1875 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
1876 tmpgv = (GV*) SvRV(sv); /* \*main::FRED for example */
1880 name = SvPV(sv, n_a);
1881 TAINT_PROPER("truncate");
1883 if (truncate(name, len) < 0)
1888 if ((tmpfd = PerlLIO_open(name, O_RDWR)) < 0)
1891 if (my_chsize(tmpfd, len) < 0)
1893 PerlLIO_close(tmpfd);
1902 SETERRNO(EBADF,RMS$_IFI);
1905 DIE(aTHX_ "truncate not implemented");
1918 unsigned int func = U_I(POPn);
1919 int optype = PL_op->op_type;
1925 if (!io || !argsv || !IoIFP(io)) {
1926 SETERRNO(EBADF,RMS$_IFI); /* well, sort of... */
1930 if (SvPOK(argsv) || !SvNIOK(argsv)) {
1933 s = SvPV_force(argsv, len);
1934 need = IOCPARM_LEN(func);
1936 s = Sv_Grow(argsv, need + 1);
1937 SvCUR_set(argsv, need);
1940 s[SvCUR(argsv)] = 17; /* a little sanity check here */
1943 retval = SvIV(argsv);
1944 s = INT2PTR(char*,retval); /* ouch */
1947 TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
1949 if (optype == OP_IOCTL)
1951 retval = PerlLIO_ioctl(PerlIO_fileno(IoIFP(io)), func, s);
1953 DIE(aTHX_ "ioctl is not implemented");
1957 #if defined(OS2) && defined(__EMX__)
1958 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, (int)s);
1960 retval = fcntl(PerlIO_fileno(IoIFP(io)), func, s);
1963 DIE(aTHX_ "fcntl is not implemented");
1967 if (s[SvCUR(argsv)] != 17)
1968 DIE(aTHX_ "Possible memory corruption: %s overflowed 3rd argument",
1969 PL_op_name[optype]);
1970 s[SvCUR(argsv)] = 0; /* put our null back */
1971 SvSETMAGIC(argsv); /* Assume it has changed */
1980 PUSHp(zero_but_true, ZBTLEN);
2000 fp = IoIFP(GvIOp(gv));
2004 (void)PerlIO_flush(fp);
2005 value = (I32)(PerlLIO_flock(PerlIO_fileno(fp), argtype) >= 0);
2009 SETERRNO(EBADF,RMS$_IFI);
2010 if (ckWARN(WARN_CLOSED))
2011 report_closed_fh(gv, GvIO(gv), "flock", "filehandle");
2016 DIE(aTHX_ PL_no_func, "flock()");
2028 int protocol = POPi;
2036 SETERRNO(EBADF,LIB$_INVARG);
2042 do_close(gv, FALSE);
2044 TAINT_PROPER("socket");
2045 fd = PerlSock_socket(domain, type, protocol);
2048 IoIFP(io) = PerlIO_fdopen(fd, "r"); /* stdio gets confused about sockets */
2049 IoOFP(io) = PerlIO_fdopen(fd, "w");
2051 if (!IoIFP(io) || !IoOFP(io)) {
2052 if (IoIFP(io)) PerlIO_close(IoIFP(io));
2053 if (IoOFP(io)) PerlIO_close(IoOFP(io));
2054 if (!IoIFP(io) && !IoOFP(io)) PerlLIO_close(fd);
2057 #if defined(HAS_FCNTL) && defined(F_SETFD)
2058 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2063 DIE(aTHX_ PL_no_sock_func, "socket");
2070 #ifdef HAS_SOCKETPAIR
2075 int protocol = POPi;
2088 do_close(gv1, FALSE);
2090 do_close(gv2, FALSE);
2092 TAINT_PROPER("socketpair");
2093 if (PerlSock_socketpair(domain, type, protocol, fd) < 0)
2095 IoIFP(io1) = PerlIO_fdopen(fd[0], "r");
2096 IoOFP(io1) = PerlIO_fdopen(fd[0], "w");
2098 IoIFP(io2) = PerlIO_fdopen(fd[1], "r");
2099 IoOFP(io2) = PerlIO_fdopen(fd[1], "w");
2101 if (!IoIFP(io1) || !IoOFP(io1) || !IoIFP(io2) || !IoOFP(io2)) {
2102 if (IoIFP(io1)) PerlIO_close(IoIFP(io1));
2103 if (IoOFP(io1)) PerlIO_close(IoOFP(io1));
2104 if (!IoIFP(io1) && !IoOFP(io1)) PerlLIO_close(fd[0]);
2105 if (IoIFP(io2)) PerlIO_close(IoIFP(io2));
2106 if (IoOFP(io2)) PerlIO_close(IoOFP(io2));
2107 if (!IoIFP(io2) && !IoOFP(io2)) PerlLIO_close(fd[1]);
2110 #if defined(HAS_FCNTL) && defined(F_SETFD)
2111 fcntl(fd[0],F_SETFD,fd[0] > PL_maxsysfd); /* ensure close-on-exec */
2112 fcntl(fd[1],F_SETFD,fd[1] > PL_maxsysfd); /* ensure close-on-exec */
2117 DIE(aTHX_ PL_no_sock_func, "socketpair");
2125 #ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
2126 extern GETPRIVMODE();
2127 extern GETUSERMODE();
2132 register IO *io = GvIOn(gv);
2136 int mpeprivmode = 0;
2139 if (!io || !IoIFP(io))
2142 addr = SvPV(addrsv, len);
2143 TAINT_PROPER("bind");
2144 #ifdef MPE /* Deal with MPE bind() peculiarities */
2145 if (((struct sockaddr *)addr)->sa_family == AF_INET) {
2146 /* The address *MUST* stupidly be zero. */
2147 ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
2148 /* PRIV mode is required to bind() to ports < 1024. */
2149 if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
2150 ((struct sockaddr_in *)addr)->sin_port > 0) {
2151 GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
2156 if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
2157 (struct sockaddr *)addr, len) >= 0)
2160 #ifdef MPE /* Switch back to USER mode */
2171 if (ckWARN(WARN_CLOSED))
2172 report_closed_fh(gv, io, "bind", "socket");
2173 SETERRNO(EBADF,SS$_IVCHAN);
2176 DIE(aTHX_ PL_no_sock_func, "bind");
2187 register IO *io = GvIOn(gv);
2190 if (!io || !IoIFP(io))
2193 addr = SvPV(addrsv, len);
2194 TAINT_PROPER("connect");
2195 if (PerlSock_connect(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
2201 if (ckWARN(WARN_CLOSED))
2202 report_closed_fh(gv, io, "connect", "socket");
2203 SETERRNO(EBADF,SS$_IVCHAN);
2206 DIE(aTHX_ PL_no_sock_func, "connect");
2216 register IO *io = GvIOn(gv);
2218 if (!io || !IoIFP(io))
2221 if (PerlSock_listen(PerlIO_fileno(IoIFP(io)), backlog) >= 0)
2227 if (ckWARN(WARN_CLOSED))
2228 report_closed_fh(gv, io, "listen", "socket");
2229 SETERRNO(EBADF,SS$_IVCHAN);
2232 DIE(aTHX_ PL_no_sock_func, "listen");
2244 struct sockaddr saddr; /* use a struct to avoid alignment problems */
2245 Sock_size_t len = sizeof saddr;
2257 if (!gstio || !IoIFP(gstio))
2262 do_close(ngv, FALSE);
2264 fd = PerlSock_accept(PerlIO_fileno(IoIFP(gstio)), (struct sockaddr *)&saddr, &len);
2267 IoIFP(nstio) = PerlIO_fdopen(fd, "r");
2268 IoOFP(nstio) = PerlIO_fdopen(fd, "w");
2269 IoTYPE(nstio) = 's';
2270 if (!IoIFP(nstio) || !IoOFP(nstio)) {
2271 if (IoIFP(nstio)) PerlIO_close(IoIFP(nstio));
2272 if (IoOFP(nstio)) PerlIO_close(IoOFP(nstio));
2273 if (!IoIFP(nstio) && !IoOFP(nstio)) PerlLIO_close(fd);
2276 #if defined(HAS_FCNTL) && defined(F_SETFD)
2277 fcntl(fd, F_SETFD, fd > PL_maxsysfd); /* ensure close-on-exec */
2280 PUSHp((char *)&saddr, len);
2284 if (ckWARN(WARN_CLOSED))
2285 report_closed_fh(ggv, ggv ? GvIO(ggv) : 0, "accept", "socket");
2286 SETERRNO(EBADF,SS$_IVCHAN);
2292 DIE(aTHX_ PL_no_sock_func, "accept");
2302 register IO *io = GvIOn(gv);
2304 if (!io || !IoIFP(io))
2307 PUSHi( PerlSock_shutdown(PerlIO_fileno(IoIFP(io)), how) >= 0 );
2311 if (ckWARN(WARN_CLOSED))
2312 report_closed_fh(gv, io, "shutdown", "socket");
2313 SETERRNO(EBADF,SS$_IVCHAN);
2316 DIE(aTHX_ PL_no_sock_func, "shutdown");
2323 return pp_ssockopt();
2325 DIE(aTHX_ PL_no_sock_func, "getsockopt");
2333 int optype = PL_op->op_type;
2336 unsigned int optname;
2342 if (optype == OP_GSOCKOPT)
2343 sv = sv_2mortal(NEWSV(22, 257));
2346 optname = (unsigned int) POPi;
2347 lvl = (unsigned int) POPi;
2351 if (!io || !IoIFP(io))
2354 fd = PerlIO_fileno(IoIFP(io));
2358 (void)SvPOK_only(sv);
2362 if (PerlSock_getsockopt(fd, lvl, optname, SvPVX(sv), &len) < 0)
2377 aint = (int)SvIV(sv);
2381 if (PerlSock_setsockopt(fd, lvl, optname, buf, len) < 0)
2390 if (ckWARN(WARN_CLOSED))
2391 report_closed_fh(gv, io,
2392 optype == OP_GSOCKOPT ? "getsockopt" : "setsockopt",
2394 SETERRNO(EBADF,SS$_IVCHAN);
2399 DIE(aTHX_ PL_no_sock_func, "setsockopt");
2406 return pp_getpeername();
2408 DIE(aTHX_ PL_no_sock_func, "getsockname");
2416 int optype = PL_op->op_type;
2420 register IO *io = GvIOn(gv);
2423 if (!io || !IoIFP(io))
2426 sv = sv_2mortal(NEWSV(22, 257));
2427 (void)SvPOK_only(sv);
2431 fd = PerlIO_fileno(IoIFP(io));
2433 case OP_GETSOCKNAME:
2434 if (PerlSock_getsockname(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2437 case OP_GETPEERNAME:
2438 if (PerlSock_getpeername(fd, (struct sockaddr *)SvPVX(sv), &len) < 0)
2440 #if defined(VMS_DO_SOCKETS) && defined (DECCRTL_SOCKETS)
2442 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";
2443 /* If the call succeeded, make sure we don't have a zeroed port/addr */
2444 if (((struct sockaddr *)SvPVX(sv))->sa_family == AF_INET &&
2445 !memcmp((char *)SvPVX(sv) + sizeof(u_short), nowhere,
2446 sizeof(u_short) + sizeof(struct in_addr))) {
2453 #ifdef BOGUS_GETNAME_RETURN
2454 /* Interactive Unix, getpeername() and getsockname()
2455 does not return valid namelen */
2456 if (len == BOGUS_GETNAME_RETURN)
2457 len = sizeof(struct sockaddr);
2465 if (ckWARN(WARN_CLOSED))
2466 report_closed_fh(gv, io,
2467 optype == OP_GETSOCKNAME ? "getsockname"
2470 SETERRNO(EBADF,SS$_IVCHAN);
2475 DIE(aTHX_ PL_no_sock_func, "getpeername");
2494 if (PL_op->op_flags & OPf_REF) {
2497 if (tmpgv != PL_defgv) {
2498 PL_laststype = OP_STAT;
2500 sv_setpv(PL_statname, "");
2501 PL_laststatval = (GvIO(tmpgv) && IoIFP(GvIOp(tmpgv))
2502 ? PerlLIO_fstat(PerlIO_fileno(IoIFP(GvIOn(tmpgv))), &PL_statcache) : -1);
2504 if (PL_laststatval < 0)
2509 if (SvTYPE(sv) == SVt_PVGV) {
2513 else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
2514 tmpgv = (GV*)SvRV(sv);
2517 sv_setpv(PL_statname, SvPV(sv,n_a));
2520 PL_laststype = PL_op->op_type;
2521 if (PL_op->op_type == OP_LSTAT)
2522 PL_laststatval = PerlLIO_lstat(SvPV(PL_statname, n_a), &PL_statcache);
2525 PL_laststatval = PerlLIO_stat(SvPV(PL_statname, n_a), &PL_statcache);
2526 if (PL_laststatval < 0) {
2527 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(PL_statname, n_a), '\n'))
2528 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "stat");
2534 if (gimme != G_ARRAY) {
2535 if (gimme != G_VOID)
2536 XPUSHs(boolSV(max));
2542 PUSHs(sv_2mortal(newSViv(PL_statcache.st_dev)));
2543 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ino)));
2544 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_mode)));
2545 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_nlink)));
2546 #if Uid_t_size > IVSIZE
2547 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_uid)));
2549 # if Uid_t_sign <= 0
2550 PUSHs(sv_2mortal(newSViv(PL_statcache.st_uid)));
2552 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_uid)));
2555 #if Gid_t_size > IVSIZE
2556 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_gid)));
2558 # if Gid_t_sign <= 0
2559 PUSHs(sv_2mortal(newSViv(PL_statcache.st_gid)));
2561 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_gid)));
2564 #ifdef USE_STAT_RDEV
2565 PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
2567 PUSHs(sv_2mortal(newSVpvn("", 0)));
2569 #if Off_t_size > IVSIZE
2570 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_size)));
2572 PUSHs(sv_2mortal(newSViv(PL_statcache.st_size)));
2575 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_atime)));
2576 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_mtime)));
2577 PUSHs(sv_2mortal(newSVnv(PL_statcache.st_ctime)));
2579 PUSHs(sv_2mortal(newSViv(PL_statcache.st_atime)));
2580 PUSHs(sv_2mortal(newSViv(PL_statcache.st_mtime)));
2581 PUSHs(sv_2mortal(newSViv(PL_statcache.st_ctime)));
2583 #ifdef USE_STAT_BLOCKS
2584 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
2585 PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
2587 PUSHs(sv_2mortal(newSVpvn("", 0)));
2588 PUSHs(sv_2mortal(newSVpvn("", 0)));
2598 #if defined(HAS_ACCESS) && defined(R_OK)
2600 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2601 result = access(TOPpx, R_OK);
2616 if (cando(S_IRUSR, 0, &PL_statcache))
2625 #if defined(HAS_ACCESS) && defined(W_OK)
2627 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2628 result = access(TOPpx, W_OK);
2643 if (cando(S_IWUSR, 0, &PL_statcache))
2652 #if defined(HAS_ACCESS) && defined(X_OK)
2654 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2655 result = access(TOPpx, X_OK);
2670 if (cando(S_IXUSR, 0, &PL_statcache))
2679 #ifdef PERL_EFF_ACCESS_R_OK
2681 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2682 result = PERL_EFF_ACCESS_R_OK(TOPpx);
2697 if (cando(S_IRUSR, 1, &PL_statcache))
2706 #ifdef PERL_EFF_ACCESS_W_OK
2708 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2709 result = PERL_EFF_ACCESS_W_OK(TOPpx);
2724 if (cando(S_IWUSR, 1, &PL_statcache))
2733 #ifdef PERL_EFF_ACCESS_X_OK
2735 if ((PL_hints & HINT_FILETEST_ACCESS) && SvPOK(TOPs)) {
2736 result = PERL_EFF_ACCESS_X_OK(TOPpx);
2751 if (cando(S_IXUSR, 1, &PL_statcache))
2758 I32 result = my_stat();
2767 return pp_ftrowned();
2772 I32 result = my_stat();
2776 if (PL_statcache.st_uid == (PL_op->op_type == OP_FTEOWNED ?
2784 I32 result = my_stat();
2788 if (PL_statcache.st_size == 0)
2795 I32 result = my_stat();
2799 #if Off_t_size > IVSIZE
2800 PUSHn(PL_statcache.st_size);
2802 PUSHi(PL_statcache.st_size);
2809 I32 result = my_stat();
2813 PUSHn( (PL_basetime - PL_statcache.st_mtime) / 86400.0 );
2819 I32 result = my_stat();
2823 PUSHn( (PL_basetime - PL_statcache.st_atime) / 86400.0 );
2829 I32 result = my_stat();
2833 PUSHn( (PL_basetime - PL_statcache.st_ctime) / 86400.0 );
2839 I32 result = my_stat();
2843 if (S_ISSOCK(PL_statcache.st_mode))
2850 I32 result = my_stat();
2854 if (S_ISCHR(PL_statcache.st_mode))
2861 I32 result = my_stat();
2865 if (S_ISBLK(PL_statcache.st_mode))
2872 I32 result = my_stat();
2876 if (S_ISREG(PL_statcache.st_mode))
2883 I32 result = my_stat();
2887 if (S_ISDIR(PL_statcache.st_mode))
2894 I32 result = my_stat();
2898 if (S_ISFIFO(PL_statcache.st_mode))
2905 I32 result = my_lstat();
2909 if (S_ISLNK(PL_statcache.st_mode))
2918 I32 result = my_stat();
2922 if (PL_statcache.st_mode & S_ISUID)
2932 I32 result = my_stat();
2936 if (PL_statcache.st_mode & S_ISGID)
2946 I32 result = my_stat();
2950 if (PL_statcache.st_mode & S_ISVTX)
2961 char *tmps = Nullch;
2964 if (PL_op->op_flags & OPf_REF)
2966 else if (isGV(TOPs))
2968 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
2969 gv = (GV*)SvRV(POPs);
2971 gv = gv_fetchpv(tmps = POPpx, FALSE, SVt_PVIO);
2973 if (GvIO(gv) && IoIFP(GvIOp(gv)))
2974 fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
2975 else if (tmps && isDIGIT(*tmps))
2979 if (PerlLIO_isatty(fd))
2984 #if defined(atarist) /* this will work with atariST. Configure will
2985 make guesses for other systems. */
2986 # define FILE_base(f) ((f)->_base)
2987 # define FILE_ptr(f) ((f)->_ptr)
2988 # define FILE_cnt(f) ((f)->_cnt)
2989 # define FILE_bufsiz(f) ((f)->_cnt + ((f)->_ptr - (f)->_base))
2999 register STDCHAR *s;
3006 if (PL_op->op_flags & OPf_REF)
3008 else if (isGV(TOPs))
3010 else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
3011 gv = (GV*)SvRV(POPs);
3017 if (gv == PL_defgv) {
3019 io = GvIO(PL_statgv);
3022 goto really_filename;
3027 PL_laststatval = -1;
3028 sv_setpv(PL_statname, "");
3029 io = GvIO(PL_statgv);
3031 if (io && IoIFP(io)) {
3032 if (! PerlIO_has_base(IoIFP(io)))
3033 DIE(aTHX_ "-T and -B not implemented on filehandles");
3034 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(IoIFP(io)), &PL_statcache);
3035 if (PL_laststatval < 0)
3037 if (S_ISDIR(PL_statcache.st_mode)) /* handle NFS glitch */
3038 if (PL_op->op_type == OP_FTTEXT)
3042 if (PerlIO_get_cnt(IoIFP(io)) <= 0) {
3043 i = PerlIO_getc(IoIFP(io));
3045 (void)PerlIO_ungetc(IoIFP(io),i);
3047 if (PerlIO_get_cnt(IoIFP(io)) <= 0) /* null file is anything */
3049 len = PerlIO_get_bufsiz(IoIFP(io));
3050 s = (STDCHAR *) PerlIO_get_base(IoIFP(io));
3051 /* sfio can have large buffers - limit to 512 */
3056 if (ckWARN(WARN_UNOPENED)) {
3058 Perl_warner(aTHX_ WARN_UNOPENED, "Test on unopened file <%s>",
3061 SETERRNO(EBADF,RMS$_IFI);
3069 PL_laststatval = -1;
3070 sv_setpv(PL_statname, SvPV(sv, n_a));
3071 if (!(fp = PerlIO_open(SvPVX(PL_statname), "r"))) {
3072 if (ckWARN(WARN_NEWLINE) && strchr(SvPV(sv, n_a), '\n'))
3073 Perl_warner(aTHX_ WARN_NEWLINE, PL_warn_nl, "open");
3076 PL_laststatval = PerlLIO_fstat(PerlIO_fileno(fp), &PL_statcache);
3077 if (PL_laststatval < 0) {
3078 (void)PerlIO_close(fp);
3081 do_binmode(fp, '<', TRUE);
3082 len = PerlIO_read(fp, tbuf, sizeof(tbuf));
3083 (void)PerlIO_close(fp);
3085 if (S_ISDIR(PL_statcache.st_mode) && PL_op->op_type == OP_FTTEXT)
3086 RETPUSHNO; /* special case NFS directories */
3087 RETPUSHYES; /* null file is anything */
3092 /* now scan s to look for textiness */
3093 /* XXX ASCII dependent code */
3095 #if defined(DOSISH) || defined(USEMYBINMODE)
3096 /* ignore trailing ^Z on short files */
3097 if (len && len < sizeof(tbuf) && tbuf[len-1] == 26)
3101 for (i = 0; i < len; i++, s++) {
3102 if (!*s) { /* null never allowed in text */
3107 else if (!(isPRINT(*s) || isSPACE(*s)))
3110 else if (*s & 128) {
3112 if ((PL_op->op_private & OPpLOCALE) && isALPHA_LC(*s))
3115 /* utf8 characters don't count as odd */
3117 int ulen = UTF8SKIP(s);
3118 if (ulen < len - i) {
3120 for (j = 1; j < ulen; j++) {
3121 if ((s[j] & 0xc0) != 0x80)
3124 --ulen; /* loop does extra increment */
3134 *s != '\n' && *s != '\r' && *s != '\b' &&
3135 *s != '\t' && *s != '\f' && *s != 27)
3140 if ((odd * 3 > len) == (PL_op->op_type == OP_FTTEXT)) /* allow 1/3 odd */
3164 if (!tmps || !*tmps) {
3165 svp = hv_fetch(GvHVn(PL_envgv), "HOME", 4, FALSE);
3167 tmps = SvPV(*svp, n_a);
3169 if (!tmps || !*tmps) {
3170 svp = hv_fetch(GvHVn(PL_envgv), "LOGDIR", 6, FALSE);
3172 tmps = SvPV(*svp, n_a);
3175 if (!tmps || !*tmps) {
3176 svp = hv_fetch(GvHVn(PL_envgv), "SYS$LOGIN", 9, FALSE);
3178 tmps = SvPV(*svp, n_a);
3181 TAINT_PROPER("chdir");
3182 PUSHi( PerlDir_chdir(tmps) >= 0 );
3184 /* Clear the DEFAULT element of ENV so we'll get the new value
3186 hv_delete(GvHVn(PL_envgv),"DEFAULT",7,G_DISCARD);
3193 djSP; dMARK; dTARGET;
3196 value = (I32)apply(PL_op->op_type, MARK, SP);
3201 DIE(aTHX_ PL_no_func, "Unsupported function chown");
3212 TAINT_PROPER("chroot");
3213 PUSHi( chroot(tmps) >= 0 );
3216 DIE(aTHX_ PL_no_func, "chroot");
3222 djSP; dMARK; dTARGET;
3224 value = (I32)apply(PL_op->op_type, MARK, SP);
3232 djSP; dMARK; dTARGET;
3234 value = (I32)apply(PL_op->op_type, MARK, SP);
3242 djSP; dMARK; dTARGET;
3244 value = (I32)apply(PL_op->op_type, MARK, SP);
3256 char *tmps2 = POPpx;
3257 char *tmps = SvPV(TOPs, n_a);
3258 TAINT_PROPER("rename");
3260 anum = PerlLIO_rename(tmps, tmps2);
3262 if (!(anum = PerlLIO_stat(tmps, &PL_statbuf))) {
3263 if (same_dirent(tmps2, tmps)) /* can always rename to same name */
3266 if (PL_euid || PerlLIO_stat(tmps2, &PL_statbuf) < 0 || !S_ISDIR(PL_statbuf.st_mode))
3267 (void)UNLINK(tmps2);
3268 if (!(anum = link(tmps, tmps2)))
3269 anum = UNLINK(tmps);
3282 char *tmps2 = POPpx;
3283 char *tmps = SvPV(TOPs, n_a);
3284 TAINT_PROPER("link");
3285 SETi( PerlLIO_link(tmps, tmps2) >= 0 );
3287 DIE(aTHX_ PL_no_func, "Unsupported function link");
3297 char *tmps2 = POPpx;
3298 char *tmps = SvPV(TOPs, n_a);
3299 TAINT_PROPER("symlink");
3300 SETi( symlink(tmps, tmps2) >= 0 );
3303 DIE(aTHX_ PL_no_func, "symlink");
3312 char buf[MAXPATHLEN];
3316 #ifndef INCOMPLETE_TAINTS
3320 len = readlink(tmps, buf, sizeof buf);
3328 RETSETUNDEF; /* just pretend it's a normal file */
3332 #if !defined(HAS_MKDIR) || !defined(HAS_RMDIR)
3334 S_dooneliner(pTHX_ char *cmd, char *filename)
3336 char *save_filename = filename;
3342 New(666, cmdline, strlen(cmd) + (strlen(filename) * 2) + 10, char);
3343 strcpy(cmdline, cmd);
3344 strcat(cmdline, " ");
3345 for (s = cmdline + strlen(cmdline); *filename; ) {
3350 myfp = PerlProc_popen(cmdline, "r");
3354 SV *tmpsv = sv_newmortal();
3355 /* Need to save/restore 'PL_rs' ?? */
3356 s = sv_gets(tmpsv, myfp, 0);
3357 (void)PerlProc_pclose(myfp);
3361 #ifdef HAS_SYS_ERRLIST
3366 /* you don't see this */
3368 #ifdef HAS_SYS_ERRLIST
3376 if (instr(s, errmsg)) {
3383 #define EACCES EPERM
3385 if (instr(s, "cannot make"))
3386 SETERRNO(EEXIST,RMS$_FEX);
3387 else if (instr(s, "existing file"))
3388 SETERRNO(EEXIST,RMS$_FEX);
3389 else if (instr(s, "ile exists"))
3390 SETERRNO(EEXIST,RMS$_FEX);
3391 else if (instr(s, "non-exist"))
3392 SETERRNO(ENOENT,RMS$_FNF);
3393 else if (instr(s, "does not exist"))
3394 SETERRNO(ENOENT,RMS$_FNF);
3395 else if (instr(s, "not empty"))
3396 SETERRNO(EBUSY,SS$_DEVOFFLINE);
3397 else if (instr(s, "cannot access"))
3398 SETERRNO(EACCES,RMS$_PRV);
3400 SETERRNO(EPERM,RMS$_PRV);
3403 else { /* some mkdirs return no failure indication */
3404 anum = (PerlLIO_stat(save_filename, &PL_statbuf) >= 0);
3405 if (PL_op->op_type == OP_RMDIR)
3410 SETERRNO(EACCES,RMS$_PRV); /* a guess */
3434 tmps = SvPV(TOPs, n_a);
3436 TAINT_PROPER("mkdir");
3438 SETi( PerlDir_mkdir(tmps, mode) >= 0 );
3440 SETi( dooneliner("mkdir", tmps) );
3441 oldumask = PerlLIO_umask(0);
3442 PerlLIO_umask(oldumask);
3443 PerlLIO_chmod(tmps, (mode & ~oldumask) & 0777);
3455 TAINT_PROPER("rmdir");
3457 XPUSHi( PerlDir_rmdir(tmps) >= 0 );
3459 XPUSHi( dooneliner("rmdir", tmps) );
3464 /* Directory calls. */
3469 #if defined(Direntry_t) && defined(HAS_READDIR)
3471 char *dirname = POPpx;
3473 register IO *io = GvIOn(gv);
3479 PerlDir_close(IoDIRP(io));
3480 if (!(IoDIRP(io) = PerlDir_open(dirname)))
3486 SETERRNO(EBADF,RMS$_DIR);
3489 DIE(aTHX_ PL_no_dir_func, "opendir");
3496 #if defined(Direntry_t) && defined(HAS_READDIR)
3498 Direntry_t *readdir (DIR *);
3500 register Direntry_t *dp;
3502 register IO *io = GvIOn(gv);
3505 if (!io || !IoDIRP(io))
3508 if (GIMME == G_ARRAY) {
3510 while ((dp = (Direntry_t *)PerlDir_read(IoDIRP(io)))) {
3512 sv = newSVpvn(dp->d_name, dp->d_namlen);
3514 sv = newSVpv(dp->d_name, 0);
3516 #ifndef INCOMPLETE_TAINTS
3517 if (!(IoFLAGS(io) & IOf_UNTAINT))
3520 XPUSHs(sv_2mortal(sv));
3524 if (!(dp = (Direntry_t *)PerlDir_read(IoDIRP(io))))
3527 sv = newSVpvn(dp->d_name, dp->d_namlen);
3529 sv = newSVpv(dp->d_name, 0);
3531 #ifndef INCOMPLETE_TAINTS
3532 if (!(IoFLAGS(io) & IOf_UNTAINT))
3535 XPUSHs(sv_2mortal(sv));
3541 SETERRNO(EBADF,RMS$_ISI);
3542 if (GIMME == G_ARRAY)
3547 DIE(aTHX_ PL_no_dir_func, "readdir");
3554 #if defined(HAS_TELLDIR) || defined(telldir)
3555 /* XXX does _anyone_ need this? --AD 2/20/1998 */
3556 /* XXX netbsd still seemed to.
3557 XXX HAS_TELLDIR_PROTO is new style, NEED_TELLDIR_PROTO is old style.
3558 --JHI 1999-Feb-02 */
3559 # if !defined(HAS_TELLDIR_PROTO) || defined(NEED_TELLDIR_PROTO)
3560 long telldir (DIR *);
3563 register IO *io = GvIOn(gv);
3565 if (!io || !IoDIRP(io))
3568 PUSHi( PerlDir_tell(IoDIRP(io)) );
3572 SETERRNO(EBADF,RMS$_ISI);
3575 DIE(aTHX_ PL_no_dir_func, "telldir");
3582 #if defined(HAS_SEEKDIR) || defined(seekdir)
3585 register IO *io = GvIOn(gv);
3587 if (!io || !IoDIRP(io))
3590 (void)PerlDir_seek(IoDIRP(io), along);
3595 SETERRNO(EBADF,RMS$_ISI);
3598 DIE(aTHX_ PL_no_dir_func, "seekdir");
3605 #if defined(HAS_REWINDDIR) || defined(rewinddir)
3607 register IO *io = GvIOn(gv);
3609 if (!io || !IoDIRP(io))
3612 (void)PerlDir_rewind(IoDIRP(io));
3616 SETERRNO(EBADF,RMS$_ISI);
3619 DIE(aTHX_ PL_no_dir_func, "rewinddir");
3626 #if defined(Direntry_t) && defined(HAS_READDIR)
3628 register IO *io = GvIOn(gv);
3630 if (!io || !IoDIRP(io))
3633 #ifdef VOID_CLOSEDIR
3634 PerlDir_close(IoDIRP(io));
3636 if (PerlDir_close(IoDIRP(io)) < 0) {
3637 IoDIRP(io) = 0; /* Don't try to close again--coredumps on SysV */
3646 SETERRNO(EBADF,RMS$_IFI);
3649 DIE(aTHX_ PL_no_dir_func, "closedir");
3653 /* Process control. */
3663 PERL_FLUSHALL_FOR_CHILD;
3669 if ((tmpgv = gv_fetchpv("$", TRUE, SVt_PV)))
3670 sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
3671 hv_clear(PL_pidstatus); /* no kids, so don't wait for 'em */
3676 # if defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3681 PERL_FLUSHALL_FOR_CHILD;
3682 childpid = PerlProc_fork();
3686 DIE(aTHX_ PL_no_func, "Unsupported function fork");
3693 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3698 childpid = wait4pid(-1, &argflags, 0);
3699 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3703 DIE(aTHX_ PL_no_func, "Unsupported function wait");
3709 #if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
3717 childpid = wait4pid(childpid, &argflags, optype);
3718 STATUS_NATIVE_SET((childpid > 0) ? argflags : -1);
3722 DIE(aTHX_ PL_no_func, "Unsupported function waitpid");
3728 djSP; dMARK; dORIGMARK; dTARGET;
3733 Sigsave_t ihand,qhand; /* place to save signals during system() */
3738 if (SP - MARK == 1) {
3740 char *junk = SvPV(TOPs, n_a);
3742 TAINT_PROPER("system");
3745 PERL_FLUSHALL_FOR_CHILD;
3746 #if (defined(HAS_FORK) || defined(AMIGAOS)) && !defined(VMS) && !defined(OS2)
3747 if (PerlProc_pipe(pp) >= 0)
3749 while ((childpid = vfork()) == -1) {
3750 if (errno != EAGAIN) {
3755 PerlLIO_close(pp[0]);
3756 PerlLIO_close(pp[1]);
3764 PerlLIO_close(pp[1]);
3765 rsignal_save(SIGINT, SIG_IGN, &ihand);
3766 rsignal_save(SIGQUIT, SIG_IGN, &qhand);
3768 result = wait4pid(childpid, &status, 0);
3769 } while (result == -1 && errno == EINTR);
3770 (void)rsignal_restore(SIGINT, &ihand);
3771 (void)rsignal_restore(SIGQUIT, &qhand);
3772 STATUS_NATIVE_SET(result == -1 ? -1 : status);
3773 do_execfree(); /* free any memory child malloced on vfork */
3779 while (n < sizeof(int)) {
3780 n1 = PerlLIO_read(pp[0],
3781 (void*)(((char*)&errkid)+n),
3787 PerlLIO_close(pp[0]);
3788 if (n) { /* Error */
3789 if (n != sizeof(int))
3790 DIE(aTHX_ "panic: kid popen errno read");
3791 errno = errkid; /* Propagate errno from kid */
3792 STATUS_CURRENT = -1;
3795 PUSHi(STATUS_CURRENT);
3799 PerlLIO_close(pp[0]);
3800 #if defined(HAS_FCNTL) && defined(F_SETFD)
3801 fcntl(pp[1], F_SETFD, FD_CLOEXEC);
3804 if (PL_op->op_flags & OPf_STACKED) {
3805 SV *really = *++MARK;
3806 value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
3808 else if (SP - MARK != 1)
3809 value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
3811 value = (I32)do_exec3(SvPVx(sv_mortalcopy(*SP), n_a), pp[1], did_pipes);
3814 #else /* ! FORK or VMS or OS/2 */
3815 if (PL_op->op_flags & OPf_STACKED) {
3816 SV *really = *++MARK;
3817 value = (I32)do_aspawn(really, (void **)MARK, (void **)SP);
3819 else if (SP - MARK != 1)
3820 value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
3822 value = (I32)do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3824 STATUS_NATIVE_SET(value);
3827 PUSHi(STATUS_CURRENT);
3828 #endif /* !FORK or VMS */
3834 djSP; dMARK; dORIGMARK; dTARGET;
3838 PERL_FLUSHALL_FOR_CHILD;
3839 if (PL_op->op_flags & OPf_STACKED) {
3840 SV *really = *++MARK;
3841 value = (I32)do_aexec(really, MARK, SP);
3843 else if (SP - MARK != 1)
3845 value = (I32)vms_do_aexec(Nullsv, MARK, SP);
3849 (void ) do_aspawn(Nullsv, MARK, SP);
3853 value = (I32)do_aexec(Nullsv, MARK, SP);
3858 char *junk = SvPV(*SP, n_a);
3860 TAINT_PROPER("exec");
3863 value = (I32)vms_do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3866 (void) do_spawn(SvPVx(sv_mortalcopy(*SP), n_a));
3869 value = (I32)do_exec(SvPVx(sv_mortalcopy(*SP), n_a));
3874 #if !defined(HAS_FORK) && defined(USE_ITHREADS) && defined(PERL_IMPLICIT_SYS)
3886 djSP; dMARK; dTARGET;
3889 value = (I32)apply(PL_op->op_type, MARK, SP);
3894 DIE(aTHX_ PL_no_func, "Unsupported function kill");
3902 XPUSHi( getppid() );
3905 DIE(aTHX_ PL_no_func, "getppid");
3921 pgrp = (I32)BSD_GETPGRP(pid);
3923 if (pid != 0 && pid != PerlProc_getpid())
3924 DIE(aTHX_ "POSIX getpgrp can't take an argument");
3930 DIE(aTHX_ PL_no_func, "getpgrp()");
3949 TAINT_PROPER("setpgrp");
3951 SETi( BSD_SETPGRP(pid, pgrp) >= 0 );
3953 if ((pgrp != 0 && pgrp != PerlProc_getpid())
3954 || (pid != 0 && pid != PerlProc_getpid()))
3956 DIE(aTHX_ "setpgrp can't take arguments");
3958 SETi( setpgrp() >= 0 );
3959 #endif /* USE_BSDPGRP */
3962 DIE(aTHX_ PL_no_func, "setpgrp()");
3971 #ifdef HAS_GETPRIORITY
3974 SETi( getpriority(which, who) );
3977 DIE(aTHX_ PL_no_func, "getpriority()");
3987 #ifdef HAS_SETPRIORITY
3991 TAINT_PROPER("setpriority");
3992 SETi( setpriority(which, who, niceval) >= 0 );
3995 DIE(aTHX_ PL_no_func, "setpriority()");
4005 XPUSHn( time(Null(Time_t*)) );
4007 XPUSHi( time(Null(Time_t*)) );
4012 /* XXX The POSIX name is CLK_TCK; it is to be preferred
4013 to HZ. Probably. For now, assume that if the system
4014 defines HZ, it does so correctly. (Will this break
4016 Probably we ought to use _sysconf(_SC_CLK_TCK), if
4017 it's supported. --AD 9/96.
4033 DIE(aTHX_ "times not implemented");
4038 (void)PerlProc_times(&PL_timesbuf);
4040 (void)PerlProc_times((tbuffer_t *)&PL_timesbuf); /* time.h uses different name for */
4041 /* struct tms, though same data */
4045 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_utime)/HZ)));
4046 if (GIMME == G_ARRAY) {
4047 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_stime)/HZ)));
4048 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cutime)/HZ)));
4049 PUSHs(sv_2mortal(newSVnv(((NV)PL_timesbuf.tms_cstime)/HZ)));
4052 #endif /* HAS_TIMES */
4065 static char *dayname[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
4066 static char *monname[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun",
4067 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
4073 when = (Time_t)SvNVx(POPs);
4075 when = (Time_t)SvIVx(POPs);
4078 if (PL_op->op_type == OP_LOCALTIME)
4079 tmbuf = localtime(&when);
4081 tmbuf = gmtime(&when);
4085 if (GIMME != G_ARRAY) {
4089 tsv = Perl_newSVpvf(aTHX_ "%s %s %2d %02d:%02d:%02d %d",
4090 dayname[tmbuf->tm_wday],
4091 monname[tmbuf->tm_mon],
4096 tmbuf->tm_year + 1900);
4097 PUSHs(sv_2mortal(tsv));
4100 PUSHs(sv_2mortal(newSViv(tmbuf->tm_sec)));
4101 PUSHs(sv_2mortal(newSViv(tmbuf->tm_min)));
4102 PUSHs(sv_2mortal(newSViv(tmbuf->tm_hour)));
4103 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mday)));
4104 PUSHs(sv_2mortal(newSViv(tmbuf->tm_mon)));
4105 PUSHs(sv_2mortal(newSViv(tmbuf->tm_year)));
4106 PUSHs(sv_2mortal(newSViv(tmbuf->tm_wday)));
4107 PUSHs(sv_2mortal(newSViv(tmbuf->tm_yday)));
4108 PUSHs(sv_2mortal(newSViv(tmbuf->tm_isdst)));
4119 anum = alarm((unsigned int)anum);
4126 DIE(aTHX_ PL_no_func, "Unsupported function alarm");
4137 (void)time(&lasttime);
4142 PerlProc_sleep((unsigned int)duration);
4145 XPUSHi(when - lasttime);
4149 /* Shared memory. */
4163 return pp_shmwrite();
4168 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4169 djSP; dMARK; dTARGET;
4170 I32 value = (I32)(do_shmio(PL_op->op_type, MARK, SP) >= 0);
4179 /* Message passing. */
4193 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4194 djSP; dMARK; dTARGET;
4195 I32 value = (I32)(do_msgsnd(MARK, SP) >= 0);
4206 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4207 djSP; dMARK; dTARGET;
4208 I32 value = (I32)(do_msgrcv(MARK, SP) >= 0);
4221 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4222 djSP; dMARK; dTARGET;
4223 int anum = do_ipcget(PL_op->op_type, MARK, SP);
4230 DIE(aTHX_ "System V IPC is not implemented on this machine");
4236 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4237 djSP; dMARK; dTARGET;
4238 int anum = do_ipcctl(PL_op->op_type, MARK, SP);
4246 PUSHp(zero_but_true, ZBTLEN);
4256 #if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
4257 djSP; dMARK; dTARGET;
4258 I32 value = (I32)(do_semop(MARK, SP) >= 0);
4267 /* Get system info. */
4271 #ifdef HAS_GETHOSTBYNAME
4272 return pp_ghostent();
4274 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4280 #ifdef HAS_GETHOSTBYADDR
4281 return pp_ghostent();
4283 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4290 #if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
4291 I32 which = PL_op->op_type;
4292 register char **elem;
4294 #ifndef HAS_GETHOST_PROTOS /* XXX Do we need individual probes? */
4295 struct hostent *PerlSock_gethostbyaddr(Netdb_host_t, Netdb_hlen_t, int);
4296 struct hostent *PerlSock_gethostbyname(Netdb_name_t);
4297 struct hostent *PerlSock_gethostent(void);
4299 struct hostent *hent;
4304 if (which == OP_GHBYNAME)
4305 #ifdef HAS_GETHOSTBYNAME
4306 hent = PerlSock_gethostbyname(POPpx);
4308 DIE(aTHX_ PL_no_sock_func, "gethostbyname");
4310 else if (which == OP_GHBYADDR) {
4311 #ifdef HAS_GETHOSTBYADDR
4312 int addrtype = POPi;
4315 Netdb_host_t addr = (Netdb_host_t) SvPV(addrsv, addrlen);
4317 hent = PerlSock_gethostbyaddr(addr, (Netdb_hlen_t) addrlen, addrtype);
4319 DIE(aTHX_ PL_no_sock_func, "gethostbyaddr");
4323 #ifdef HAS_GETHOSTENT
4324 hent = PerlSock_gethostent();
4326 DIE(aTHX_ PL_no_sock_func, "gethostent");
4329 #ifdef HOST_NOT_FOUND
4331 STATUS_NATIVE_SET(h_errno);
4334 if (GIMME != G_ARRAY) {
4335 PUSHs(sv = sv_newmortal());
4337 if (which == OP_GHBYNAME) {
4339 sv_setpvn(sv, hent->h_addr, hent->h_length);
4342 sv_setpv(sv, (char*)hent->h_name);
4348 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4349 sv_setpv(sv, (char*)hent->h_name);
4350 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4351 for (elem = hent->h_aliases; elem && *elem; elem++) {
4352 sv_catpv(sv, *elem);
4354 sv_catpvn(sv, " ", 1);
4356 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4357 sv_setiv(sv, (IV)hent->h_addrtype);
4358 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4359 len = hent->h_length;
4360 sv_setiv(sv, (IV)len);
4362 for (elem = hent->h_addr_list; elem && *elem; elem++) {
4363 XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
4364 sv_setpvn(sv, *elem, len);
4367 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4369 sv_setpvn(sv, hent->h_addr, len);
4374 DIE(aTHX_ PL_no_sock_func, "gethostent");
4380 #ifdef HAS_GETNETBYNAME
4381 return pp_gnetent();
4383 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4389 #ifdef HAS_GETNETBYADDR
4390 return pp_gnetent();
4392 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4399 #if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
4400 I32 which = PL_op->op_type;
4401 register char **elem;
4403 #ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
4404 struct netent *PerlSock_getnetbyaddr(Netdb_net_t, int);
4405 struct netent *PerlSock_getnetbyname(Netdb_name_t);
4406 struct netent *PerlSock_getnetent(void);
4408 struct netent *nent;
4411 if (which == OP_GNBYNAME)
4412 #ifdef HAS_GETNETBYNAME
4413 nent = PerlSock_getnetbyname(POPpx);
4415 DIE(aTHX_ PL_no_sock_func, "getnetbyname");
4417 else if (which == OP_GNBYADDR) {
4418 #ifdef HAS_GETNETBYADDR
4419 int addrtype = POPi;
4420 Netdb_net_t addr = (Netdb_net_t) U_L(POPn);
4421 nent = PerlSock_getnetbyaddr(addr, addrtype);
4423 DIE(aTHX_ PL_no_sock_func, "getnetbyaddr");
4427 #ifdef HAS_GETNETENT
4428 nent = PerlSock_getnetent();
4430 DIE(aTHX_ PL_no_sock_func, "getnetent");
4434 if (GIMME != G_ARRAY) {
4435 PUSHs(sv = sv_newmortal());
4437 if (which == OP_GNBYNAME)
4438 sv_setiv(sv, (IV)nent->n_net);
4440 sv_setpv(sv, nent->n_name);
4446 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4447 sv_setpv(sv, nent->n_name);
4448 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4449 for (elem = nent->n_aliases; elem && *elem; elem++) {
4450 sv_catpv(sv, *elem);
4452 sv_catpvn(sv, " ", 1);
4454 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4455 sv_setiv(sv, (IV)nent->n_addrtype);
4456 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4457 sv_setiv(sv, (IV)nent->n_net);
4462 DIE(aTHX_ PL_no_sock_func, "getnetent");
4468 #ifdef HAS_GETPROTOBYNAME
4469 return pp_gprotoent();
4471 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4477 #ifdef HAS_GETPROTOBYNUMBER
4478 return pp_gprotoent();
4480 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4487 #if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
4488 I32 which = PL_op->op_type;
4489 register char **elem;
4491 #ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
4492 struct protoent *PerlSock_getprotobyname(Netdb_name_t);
4493 struct protoent *PerlSock_getprotobynumber(int);
4494 struct protoent *PerlSock_getprotoent(void);
4496 struct protoent *pent;
4499 if (which == OP_GPBYNAME)
4500 #ifdef HAS_GETPROTOBYNAME
4501 pent = PerlSock_getprotobyname(POPpx);
4503 DIE(aTHX_ PL_no_sock_func, "getprotobyname");
4505 else if (which == OP_GPBYNUMBER)
4506 #ifdef HAS_GETPROTOBYNUMBER
4507 pent = PerlSock_getprotobynumber(POPi);
4509 DIE(aTHX_ PL_no_sock_func, "getprotobynumber");
4512 #ifdef HAS_GETPROTOENT
4513 pent = PerlSock_getprotoent();
4515 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4519 if (GIMME != G_ARRAY) {
4520 PUSHs(sv = sv_newmortal());
4522 if (which == OP_GPBYNAME)
4523 sv_setiv(sv, (IV)pent->p_proto);
4525 sv_setpv(sv, pent->p_name);
4531 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4532 sv_setpv(sv, pent->p_name);
4533 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4534 for (elem = pent->p_aliases; elem && *elem; elem++) {
4535 sv_catpv(sv, *elem);
4537 sv_catpvn(sv, " ", 1);
4539 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4540 sv_setiv(sv, (IV)pent->p_proto);
4545 DIE(aTHX_ PL_no_sock_func, "getprotoent");
4551 #ifdef HAS_GETSERVBYNAME
4552 return pp_gservent();
4554 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4560 #ifdef HAS_GETSERVBYPORT
4561 return pp_gservent();
4563 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4570 #if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
4571 I32 which = PL_op->op_type;
4572 register char **elem;
4574 #ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
4575 struct servent *PerlSock_getservbyname(Netdb_name_t, Netdb_name_t);
4576 struct servent *PerlSock_getservbyport(int, Netdb_name_t);
4577 struct servent *PerlSock_getservent(void);
4579 struct servent *sent;
4582 if (which == OP_GSBYNAME) {
4583 #ifdef HAS_GETSERVBYNAME
4584 char *proto = POPpx;
4587 if (proto && !*proto)
4590 sent = PerlSock_getservbyname(name, proto);
4592 DIE(aTHX_ PL_no_sock_func, "getservbyname");
4595 else if (which == OP_GSBYPORT) {
4596 #ifdef HAS_GETSERVBYPORT
4597 char *proto = POPpx;
4598 unsigned short port = POPu;
4601 port = PerlSock_htons(port);
4603 sent = PerlSock_getservbyport(port, proto);
4605 DIE(aTHX_ PL_no_sock_func, "getservbyport");
4609 #ifdef HAS_GETSERVENT
4610 sent = PerlSock_getservent();
4612 DIE(aTHX_ PL_no_sock_func, "getservent");
4616 if (GIMME != G_ARRAY) {
4617 PUSHs(sv = sv_newmortal());
4619 if (which == OP_GSBYNAME) {
4621 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4623 sv_setiv(sv, (IV)(sent->s_port));
4627 sv_setpv(sv, sent->s_name);
4633 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4634 sv_setpv(sv, sent->s_name);
4635 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4636 for (elem = sent->s_aliases; elem && *elem; elem++) {
4637 sv_catpv(sv, *elem);
4639 sv_catpvn(sv, " ", 1);
4641 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4643 sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
4645 sv_setiv(sv, (IV)(sent->s_port));
4647 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4648 sv_setpv(sv, sent->s_proto);
4653 DIE(aTHX_ PL_no_sock_func, "getservent");
4660 #ifdef HAS_SETHOSTENT
4661 PerlSock_sethostent(TOPi);
4664 DIE(aTHX_ PL_no_sock_func, "sethostent");
4671 #ifdef HAS_SETNETENT
4672 PerlSock_setnetent(TOPi);
4675 DIE(aTHX_ PL_no_sock_func, "setnetent");
4682 #ifdef HAS_SETPROTOENT
4683 PerlSock_setprotoent(TOPi);
4686 DIE(aTHX_ PL_no_sock_func, "setprotoent");
4693 #ifdef HAS_SETSERVENT
4694 PerlSock_setservent(TOPi);
4697 DIE(aTHX_ PL_no_sock_func, "setservent");
4704 #ifdef HAS_ENDHOSTENT
4705 PerlSock_endhostent();
4709 DIE(aTHX_ PL_no_sock_func, "endhostent");
4716 #ifdef HAS_ENDNETENT
4717 PerlSock_endnetent();
4721 DIE(aTHX_ PL_no_sock_func, "endnetent");
4728 #ifdef HAS_ENDPROTOENT
4729 PerlSock_endprotoent();
4733 DIE(aTHX_ PL_no_sock_func, "endprotoent");
4740 #ifdef HAS_ENDSERVENT
4741 PerlSock_endservent();
4745 DIE(aTHX_ PL_no_sock_func, "endservent");
4754 DIE(aTHX_ PL_no_func, "getpwnam");
4763 DIE(aTHX_ PL_no_func, "getpwuid");
4771 I32 which = PL_op->op_type;
4773 struct passwd *pwent;
4775 #if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4776 struct spwd *spwent = NULL;
4779 if (which == OP_GPWNAM)
4780 pwent = getpwnam(POPpx);
4781 else if (which == OP_GPWUID)
4782 pwent = getpwuid(POPi);
4785 pwent = (struct passwd *)getpwent();
4787 DIE(aTHX_ PL_no_func, "getpwent");
4791 if (which == OP_GPWNAM) {
4793 spwent = getspnam(pwent->pw_name);
4795 # ifdef HAS_GETSPUID /* AFAIK there isn't any anywhere. --jhi */
4796 else if (which == OP_GPWUID) {
4798 spwent = getspnam(pwent->pw_name);
4801 # ifdef HAS_GETSPENT
4803 spwent = (struct spwd *)getspent();
4808 if (GIMME != G_ARRAY) {
4809 PUSHs(sv = sv_newmortal());
4811 if (which == OP_GPWNAM)
4813 sv_setiv(sv, (IV)pwent->pw_uid);
4815 sv_setuv(sv, (UV)pwent->pw_uid);
4818 sv_setpv(sv, pwent->pw_name);
4824 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4825 sv_setpv(sv, pwent->pw_name);
4827 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4829 # if defined(HAS_GETSPENT) || defined(HAS_GETSPNAM)
4831 sv_setpv(sv, spwent->sp_pwdp);
4833 sv_setpv(sv, pwent->pw_passwd);
4835 sv_setpv(sv, pwent->pw_passwd);
4839 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4841 sv_setiv(sv, (IV)pwent->pw_uid);
4843 sv_setuv(sv, (UV)pwent->pw_uid);
4846 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4848 sv_setiv(sv, (IV)pwent->pw_gid);
4850 sv_setuv(sv, (UV)pwent->pw_gid);
4852 /* pw_change, pw_quota, and pw_age are mutually exclusive. */
4853 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4855 sv_setiv(sv, (IV)pwent->pw_change);
4858 sv_setiv(sv, (IV)pwent->pw_quota);
4861 sv_setpv(sv, pwent->pw_age);
4866 /* pw_class and pw_comment are mutually exclusive. */
4867 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4869 sv_setpv(sv, pwent->pw_class);
4872 sv_setpv(sv, pwent->pw_comment);
4876 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4878 sv_setpv(sv, pwent->pw_gecos);
4880 #ifndef INCOMPLETE_TAINTS
4881 /* pw_gecos is tainted because user himself can diddle with it. */
4885 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4886 sv_setpv(sv, pwent->pw_dir);
4888 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4889 sv_setpv(sv, pwent->pw_shell);
4890 #ifndef INCOMPLETE_TAINTS
4891 /* pw_shell is tainted because user himself can diddle with it. */
4896 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4897 sv_setiv(sv, (IV)pwent->pw_expire);
4902 DIE(aTHX_ PL_no_func, "getpwent");
4909 #if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
4911 # ifdef HAS_SETSPENT
4916 DIE(aTHX_ PL_no_func, "setpwent");
4923 #if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
4925 # ifdef HAS_ENDSPENT
4930 DIE(aTHX_ PL_no_func, "endpwent");
4939 DIE(aTHX_ PL_no_func, "getgrnam");
4948 DIE(aTHX_ PL_no_func, "getgrgid");
4956 I32 which = PL_op->op_type;
4957 register char **elem;
4959 struct group *grent;
4962 if (which == OP_GGRNAM)
4963 grent = (struct group *)getgrnam(POPpx);
4964 else if (which == OP_GGRGID)
4965 grent = (struct group *)getgrgid(POPi);
4968 grent = (struct group *)getgrent();
4970 DIE(aTHX_ PL_no_func, "getgrent");
4974 if (GIMME != G_ARRAY) {
4975 PUSHs(sv = sv_newmortal());
4977 if (which == OP_GGRNAM)
4978 sv_setiv(sv, (IV)grent->gr_gid);
4980 sv_setpv(sv, grent->gr_name);
4986 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4987 sv_setpv(sv, grent->gr_name);
4989 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4991 sv_setpv(sv, grent->gr_passwd);
4994 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4995 sv_setiv(sv, (IV)grent->gr_gid);
4997 PUSHs(sv = sv_mortalcopy(&PL_sv_no));
4998 for (elem = grent->gr_mem; elem && *elem; elem++) {
4999 sv_catpv(sv, *elem);
5001 sv_catpvn(sv, " ", 1);
5007 DIE(aTHX_ PL_no_func, "getgrent");
5014 #if defined(HAS_GROUP) && defined(HAS_SETGRENT)
5018 DIE(aTHX_ PL_no_func, "setgrent");
5025 #if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
5029 DIE(aTHX_ PL_no_func, "endgrent");
5039 if (!(tmps = PerlProc_getlogin()))
5041 PUSHp(tmps, strlen(tmps));
5044 DIE(aTHX_ PL_no_func, "getlogin");
5048 /* Miscellaneous. */
5053 djSP; dMARK; dORIGMARK; dTARGET;
5054 register I32 items = SP - MARK;
5055 unsigned long a[20];
5061 while (++MARK <= SP) {
5062 if (SvTAINTED(*MARK)) {
5068 TAINT_PROPER("syscall");
5071 /* This probably won't work on machines where sizeof(long) != sizeof(int)
5072 * or where sizeof(long) != sizeof(char*). But such machines will
5073 * not likely have syscall implemented either, so who cares?
5075 while (++MARK <= SP) {
5076 if (SvNIOK(*MARK) || !i)
5077 a[i++] = SvIV(*MARK);
5078 else if (*MARK == &PL_sv_undef)
5081 a[i++] = (unsigned long)SvPV_force(*MARK, n_a);
5087 DIE(aTHX_ "Too many args to syscall");
5089 DIE(aTHX_ "Too few args to syscall");
5091 retval = syscall(a[0]);
5094 retval = syscall(a[0],a[1]);
5097 retval = syscall(a[0],a[1],a[2]);
5100 retval = syscall(a[0],a[1],a[2],a[3]);
5103 retval = syscall(a[0],a[1],a[2],a[3],a[4]);
5106 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5]);
5109 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6]);
5112 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7]);
5116 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
5119 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9]);
5122 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5126 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5130 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5134 retval = syscall(a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8],a[9],
5135 a[10],a[11],a[12],a[13]);
5137 #endif /* atarist */
5143 DIE(aTHX_ PL_no_func, "syscall");
5147 #ifdef FCNTL_EMULATE_FLOCK
5149 /* XXX Emulate flock() with fcntl().
5150 What's really needed is a good file locking module.
5154 fcntl_emulate_flock(int fd, int operation)
5158 switch (operation & ~LOCK_NB) {
5160 flock.l_type = F_RDLCK;
5163 flock.l_type = F_WRLCK;
5166 flock.l_type = F_UNLCK;
5172 flock.l_whence = SEEK_SET;
5173 flock.l_start = flock.l_len = (Off_t)0;
5175 return fcntl(fd, (operation & LOCK_NB) ? F_SETLK : F_SETLKW, &flock);
5178 #endif /* FCNTL_EMULATE_FLOCK */
5180 #ifdef LOCKF_EMULATE_FLOCK
5182 /* XXX Emulate flock() with lockf(). This is just to increase
5183 portability of scripts. The calls are not completely
5184 interchangeable. What's really needed is a good file
5188 /* The lockf() constants might have been defined in <unistd.h>.
5189 Unfortunately, <unistd.h> causes troubles on some mixed
5190 (BSD/POSIX) systems, such as SunOS 4.1.3.
5192 Further, the lockf() constants aren't POSIX, so they might not be
5193 visible if we're compiling with _POSIX_SOURCE defined. Thus, we'll
5194 just stick in the SVID values and be done with it. Sigh.
5198 # define F_ULOCK 0 /* Unlock a previously locked region */
5201 # define F_LOCK 1 /* Lock a region for exclusive use */
5204 # define F_TLOCK 2 /* Test and lock a region for exclusive use */
5207 # define F_TEST 3 /* Test a region for other processes locks */
5211 lockf_emulate_flock(int fd, int operation)
5217 /* flock locks entire file so for lockf we need to do the same */
5219 pos = PerlLIO_lseek(fd, (Off_t)0, SEEK_CUR); /* get pos to restore later */
5220 if (pos > 0) /* is seekable and needs to be repositioned */
5221 if (PerlLIO_lseek(fd, (Off_t)0, SEEK_SET) < 0)
5222 pos = -1; /* seek failed, so don't seek back afterwards */
5225 switch (operation) {
5227 /* LOCK_SH - get a shared lock */
5229 /* LOCK_EX - get an exclusive lock */
5231 i = lockf (fd, F_LOCK, 0);
5234 /* LOCK_SH|LOCK_NB - get a non-blocking shared lock */
5235 case LOCK_SH|LOCK_NB:
5236 /* LOCK_EX|LOCK_NB - get a non-blocking exclusive lock */
5237 case LOCK_EX|LOCK_NB:
5238 i = lockf (fd, F_TLOCK, 0);
5240 if ((errno == EAGAIN) || (errno == EACCES))
5241 errno = EWOULDBLOCK;
5244 /* LOCK_UN - unlock (non-blocking is a no-op) */
5246 case LOCK_UN|LOCK_NB:
5247 i = lockf (fd, F_ULOCK, 0);
5250 /* Default - can't decipher operation */
5257 if (pos > 0) /* need to restore position of the handle */
5258 PerlLIO_lseek(fd, pos, SEEK_SET); /* ignore error here */
5263 #endif /* LOCKF_EMULATE_FLOCK */