/* pp_sys.c
*
* Copyright (C) 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others
+ * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
STATIC int
S_emulate_eaccess(pTHX_ const char* path, Mode_t mode)
{
- (void)path;
- (void)mode;
+ PERL_UNUSED_ARG(path);
+ PERL_UNUSED_ARG(mode);
Perl_croak(aTHX_ "switching effective uid is not implemented");
/*NOTREACHED*/
return -1;
PP(pp_backtick)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
PerlIO *fp;
const char * const tmps = POPpconstx;
const I32 gimme = GIMME_V;
mode = "rt";
fp = PerlProc_popen(tmps, mode);
if (fp) {
- const char * const type = PL_curcop->cop_io ? SvPV_nolen_const(PL_curcop->cop_io) : NULL;
+ const char * const type = Perl_PerlIO_context_layers(aTHX_ NULL);
if (type && *type)
PerlIO_apply_layers(aTHX_ fp,mode,type);
if (gimme == G_VOID) {
char tmpbuf[256];
while (PerlIO_read(fp, tmpbuf, sizeof tmpbuf) > 0)
- ;
+ NOOP;
}
else if (gimme == G_SCALAR) {
ENTER;
SAVESPTR(PL_rs);
PL_rs = &PL_sv_undef;
sv_setpvn(TARG, "", 0); /* note that this preserves previous buffer */
- while (sv_gets(TARG, fp, SvCUR(TARG)) != Nullch)
- ;
+ while (sv_gets(TARG, fp, SvCUR(TARG)) != NULL)
+ NOOP;
LEAVE;
XPUSHs(TARG);
SvTAINTED_on(TARG);
}
else {
for (;;) {
- SV * const sv = NEWSV(56, 79);
- if (sv_gets(sv, fp, 0) == Nullch) {
+ SV * const sv = newSV(79);
+ if (sv_gets(sv, fp, 0) == NULL) {
SvREFCNT_dec(sv);
break;
}
PL_last_in_gv = (GV*)*PL_stack_sp--;
SAVESPTR(PL_rs); /* This is not permanent, either. */
- PL_rs = sv_2mortal(newSVpvn("\000", 1));
+ PL_rs = sv_2mortal(newSVpvs("\000"));
#ifndef DOSISH
#ifndef CSH
*SvPVX(PL_rs) = '\n';
PP(pp_rcatline)
{
+ dVAR;
PL_last_in_gv = cGVOP_gv;
return do_readline();
}
PP(pp_warn)
{
- dSP; dMARK;
+ dVAR; dSP; dMARK;
SV *tmpsv;
const char *tmps;
STRLEN len;
SV * const error = ERRSV;
SvUPGRADE(error, SVt_PV);
if (SvPOK(error) && SvCUR(error))
- sv_catpv(error, "\t...caught");
+ sv_catpvs(error, "\t...caught");
tmpsv = error;
tmps = SvPV_const(tmpsv, len);
}
if (!tmps || !len)
- tmpsv = sv_2mortal(newSVpvn("Warning: something's wrong", 26));
+ tmpsv = sv_2mortal(newSVpvs("Warning: something's wrong"));
- Perl_warn(aTHX_ "%"SVf, tmpsv);
+ Perl_warn(aTHX_ "%"SVf, (void*)tmpsv);
RETSETYES;
}
PP(pp_die)
{
- dSP; dMARK;
+ dVAR; dSP; dMARK;
const char *tmps;
SV *tmpsv;
STRLEN len;
}
else {
tmpsv = TOPs;
- tmps = SvROK(tmpsv) ? Nullch : SvPV_const(tmpsv, len);
+ tmps = SvROK(tmpsv) ? NULL : SvPV_const(tmpsv, len);
}
if (!tmps || !len) {
SV * const error = ERRSV;
sv_setsv(error,*PL_stack_sp--);
}
}
- DIE(aTHX_ Nullch);
+ DIE(aTHX_ NULL);
}
else {
if (SvPOK(error) && SvCUR(error))
- sv_catpv(error, "\t...propagated");
+ sv_catpvs(error, "\t...propagated");
tmpsv = error;
if (SvOK(tmpsv))
tmps = SvPV_const(tmpsv, len);
else
- tmps = Nullch;
+ tmps = NULL;
}
}
if (!tmps || !len)
- tmpsv = sv_2mortal(newSVpvn("Died", 4));
+ tmpsv = sv_2mortal(newSVpvs("Died"));
- DIE(aTHX_ "%"SVf, tmpsv);
+ DIE(aTHX_ "%"SVf, (void*)tmpsv);
}
/* I/O. */
if (!isGV(gv))
DIE(aTHX_ PL_no_usym, "filehandle");
- if ((io = GvIOp(gv)))
+ if ((io = GvIOp(gv))) {
+ MAGIC *mg;
IoFLAGS(GvIOp(gv)) &= ~IOf_UNTAINT;
- if (io) {
- MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar);
+ mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar);
if (mg) {
/* Method's args are same as ours ... */
/* ... except handle is replaced by the object */
}
tmps = SvPV_const(sv, len);
- ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, Nullfp, MARK+1, (SP-MARK));
+ ok = do_openn(gv, tmps, len, FALSE, O_RDONLY, 0, NULL, MARK+1, (SP-MARK));
SP = ORIGMARK;
if (ok)
PUSHi( (I32)PL_forkprocess );
PP(pp_close)
{
dVAR; dSP;
- IO *io;
- MAGIC *mg;
GV * const gv = (MAXARG == 0) ? PL_defoutgv : (GV*)POPs;
- if (gv && (io = GvIO(gv))
- && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
- {
- PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)io, mg));
- PUTBACK;
- ENTER;
- call_method("CLOSE", G_SCALAR);
- LEAVE;
- SPAGAIN;
- RETURN;
+ if (gv) {
+ IO * const io = GvIO(gv);
+ if (io) {
+ MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar);
+ if (mg) {
+ PUSHMARK(SP);
+ XPUSHs(SvTIED_obj((SV*)io, mg));
+ PUTBACK;
+ ENTER;
+ call_method("CLOSE", G_SCALAR);
+ LEAVE;
+ SPAGAIN;
+ RETURN;
+ }
+ }
}
EXTEND(SP, 1);
PUSHs(boolSV(do_close(gv, TRUE)));
PP(pp_pipe_op)
{
#ifdef HAS_PIPE
+ dVAR;
dSP;
register IO *rstio;
register IO *wstio;
IoTYPE(wstio) = IoTYPE_WRONLY;
if (!IoIFP(rstio) || !IoOFP(wstio)) {
- if (IoIFP(rstio)) PerlIO_close(IoIFP(rstio));
- else PerlLIO_close(fd[0]);
- if (IoOFP(wstio)) PerlIO_close(IoOFP(wstio));
- else PerlLIO_close(fd[1]);
+ if (IoIFP(rstio))
+ PerlIO_close(IoIFP(rstio));
+ else
+ PerlLIO_close(fd[0]);
+ if (IoOFP(wstio))
+ PerlIO_close(IoOFP(wstio));
+ else
+ PerlLIO_close(fd[1]);
goto badexit;
}
#if defined(HAS_FCNTL) && defined(F_SETFD)
PP(pp_umask)
{
+ dVAR;
dSP;
#ifdef HAS_UMASK
dTARGET;
GV *gv;
IO *io;
PerlIO *fp;
- MAGIC *mg;
- SV *discp = Nullsv;
+ SV *discp = NULL;
if (MAXARG < 1)
RETPUSHUNDEF;
gv = (GV*)POPs;
- if (gv && (io = GvIO(gv))
- && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
- {
- PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)io, mg));
- if (discp)
- XPUSHs(discp);
- PUTBACK;
- ENTER;
- call_method("BINMODE", G_SCALAR);
- LEAVE;
- SPAGAIN;
- RETURN;
+ if (gv && (io = GvIO(gv))) {
+ MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar);
+ if (mg) {
+ PUSHMARK(SP);
+ XPUSHs(SvTIED_obj((SV*)io, mg));
+ if (discp)
+ XPUSHs(discp);
+ PUTBACK;
+ ENTER;
+ call_method("BINMODE", G_SCALAR);
+ LEAVE;
+ SPAGAIN;
+ RETURN;
+ }
}
EXTEND(SP, 1);
PUTBACK;
if (PerlIO_binmode(aTHX_ fp,IoTYPE(io),mode_from_discipline(discp),
- (discp) ? SvPV_nolen_const(discp) : Nullch)) {
+ (discp) ? SvPV_nolen_const(discp) : NULL)) {
if (IoOFP(io) && IoOFP(io) != IoIFP(io)) {
if (!PerlIO_binmode(aTHX_ IoOFP(io),IoTYPE(io),
mode_from_discipline(discp),
- (discp) ? SvPV_nolen_const(discp) : Nullch)) {
+ (discp) ? SvPV_nolen_const(discp) : NULL)) {
SPAGAIN;
RETPUSHUNDEF;
}
stash = gv_stashsv(*MARK, FALSE);
if (!stash || !(gv = gv_fetchmethod(stash, methname))) {
DIE(aTHX_ "Can't locate object method \"%s\" via package \"%"SVf"\"",
- methname, *MARK);
+ methname, (void*)*MARK);
}
ENTER;
PUSHSTACKi(PERLSI_MAGIC);
SvTYPE(varsv) == SVt_PVHV))
Perl_croak(aTHX_
"Self-ties of arrays and hashes are not supported");
- sv_magic(varsv, (SvRV(sv) == varsv ? Nullsv : sv), how, Nullch, 0);
+ sv_magic(varsv, (SvRV(sv) == varsv ? NULL : sv), how, NULL, 0);
}
LEAVE;
SP = PL_stack_base + markoff;
PP(pp_tied)
{
+ dVAR;
dSP;
const MAGIC *mg;
SV *sv = POPs;
GV *gv;
HV * const hv = (HV*)POPs;
- SV * const sv = sv_mortalcopy(&PL_sv_no);
-
- sv_setpv(sv, "AnyDBM_File");
+ SV * const sv = sv_2mortal(newSVpvs("AnyDBM_File"));
stash = gv_stashsv(sv, FALSE);
if (!stash || !(gv = gv_fetchmethod(stash, "TIEHASH"))) {
PUTBACK;
if (sv_isobject(TOPs)) {
sv_unmagic((SV *) hv, PERL_MAGIC_tied);
- sv_magic((SV*)hv, TOPs, PERL_MAGIC_tied, Nullch, 0);
+ sv_magic((SV*)hv, TOPs, PERL_MAGIC_tied, NULL, 0);
}
LEAVE;
RETURN;
PP(pp_sselect)
{
#ifdef HAS_SELECT
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
register I32 i;
register I32 j;
register char *s;
timebuf.tv_usec = (long)(value * 1000000.0);
}
else
- tbuf = Null(struct timeval*);
+ tbuf = NULL;
for (i = 1; i <= 3; i++) {
sv = SP[i];
if (GIMME == G_ARRAY && tbuf) {
value = (NV)(timebuf.tv_sec) +
(NV)(timebuf.tv_usec) / 1000000.0;
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setnv(sv, value);
+ PUSHs(sv_2mortal(newSVnv(value)));
}
RETURN;
#else
void
Perl_setdefout(pTHX_ GV *gv)
{
- if (gv)
- (void)SvREFCNT_inc(gv);
+ dVAR;
+ SvREFCNT_inc_simple_void(gv);
if (PL_defoutgv)
SvREFCNT_dec(PL_defoutgv);
PL_defoutgv = gv;
PP(pp_select)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
HV *hv;
- GV * const newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : (GV *) NULL;
+ GV * const newdefout = (PL_op->op_private > 0) ? ((GV *) POPs) : NULL;
GV * egv = GvEGV(PL_defoutgv);
if (!egv)
else {
GV * const * const gvp = (GV**)hv_fetch(hv, GvNAME(egv), GvNAMELEN(egv), FALSE);
if (gvp && *gvp == egv) {
- gv_efullname4(TARG, PL_defoutgv, Nullch, TRUE);
+ gv_efullname4(TARG, PL_defoutgv, NULL, TRUE);
XPUSHTARG;
}
else {
{
dVAR; dSP; dTARGET;
IO *io = NULL;
- MAGIC *mg;
GV * const gv = (MAXARG==0) ? PL_stdingv : (GV*)POPs;
- if (gv && (io = GvIO(gv))
- && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
- {
- const I32 gimme = GIMME_V;
- PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)io, mg));
- PUTBACK;
- ENTER;
- call_method("GETC", gimme);
- LEAVE;
- SPAGAIN;
- if (gimme == G_SCALAR)
- SvSetMagicSV_nosteal(TARG, TOPs);
- RETURN;
+ if (gv && (io = GvIO(gv))) {
+ MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar);
+ if (mg) {
+ const I32 gimme = GIMME_V;
+ PUSHMARK(SP);
+ XPUSHs(SvTIED_obj((SV*)io, mg));
+ PUTBACK;
+ ENTER;
+ call_method("GETC", gimme);
+ LEAVE;
+ SPAGAIN;
+ if (gimme == G_SCALAR)
+ SvSetMagicSV_nosteal(TARG, TOPs);
+ RETURN;
+ }
}
if (!gv || do_eof(gv)) { /* make sure we have fp with something */
if ((!io || (!IoIFP(io) && IoTYPE(io) != IoTYPE_WRONLY))
PP(pp_enterwrite)
{
+ dVAR;
dSP;
register GV *gv;
register IO *io;
else
fgv = gv;
+ if (!fgv)
+ goto not_a_format_reference;
+
cv = GvFORM(fgv);
if (!cv) {
- if (fgv) {
- SV * const tmpsv = sv_newmortal();
- const char *name;
- gv_efullname4(tmpsv, fgv, Nullch, FALSE);
- name = SvPV_nolen_const(tmpsv);
- if (name && *name)
- DIE(aTHX_ "Undefined format \"%s\" called", name);
- }
+ SV * const tmpsv = sv_newmortal();
+ const char *name;
+ gv_efullname4(tmpsv, fgv, NULL, FALSE);
+ name = SvPV_nolen_const(tmpsv);
+ if (name && *name)
+ DIE(aTHX_ "Undefined format \"%s\" called", name);
+
+ not_a_format_reference:
DIE(aTHX_ "Not a format reference");
}
if (CvCLONE(cv))
dVAR; dSP;
GV * const gv = cxstack[cxstack_ix].blk_sub.gv;
register IO * const io = GvIOp(gv);
- PerlIO * const ofp = IoOFP(io);
+ PerlIO *ofp;
PerlIO *fp;
SV **newsp;
I32 gimme;
register PERL_CONTEXT *cx;
+ if (!io || !(ofp = IoOFP(io)))
+ goto forget_top;
+
DEBUG_f(PerlIO_printf(Perl_debug_log, "left=%ld, todo=%ld\n",
(long)IoLINES_LEFT(io), (long)FmLINES(PL_formtarget)));
- if (!io || !ofp)
- goto forget_top;
+
if (IoLINES_LEFT(io) < FmLINES(PL_formtarget) &&
PL_formtarget != PL_toptarget)
{
if (!IoFMT_NAME(io))
IoFMT_NAME(io) = savepv(GvNAME(gv));
topname = sv_2mortal(Perl_newSVpvf(aTHX_ "%s_TOP", GvNAME(gv)));
- topgv = gv_fetchsv(topname, FALSE, SVt_PVFM);
+ topgv = gv_fetchsv(topname, 0, SVt_PVFM);
if ((topgv && GvFORM(topgv)) ||
- !gv_fetchpv("top",FALSE,SVt_PVFM))
+ !gv_fetchpvs("top", GV_NOTQUAL, SVt_PVFM))
IoTOP_NAME(io) = savesvpv(topname);
else
- IoTOP_NAME(io) = savepvn("top", 3);
+ IoTOP_NAME(io) = savepvs("top");
}
- topgv = gv_fetchpv(IoTOP_NAME(io),FALSE, SVt_PVFM);
+ topgv = gv_fetchpv(IoTOP_NAME(io), 0, SVt_PVFM);
if (!topgv || !GvFORM(topgv)) {
IoLINES_LEFT(io) = IoPAGE_LEN(io);
goto forget_top;
if (!cv) {
SV * const sv = sv_newmortal();
const char *name;
- gv_efullname4(sv, fgv, Nullch, FALSE);
+ gv_efullname4(sv, fgv, NULL, FALSE);
name = SvPV_nolen_const(sv);
if (name && *name)
- DIE(aTHX_ "Undefined top format \"%s\" called",name);
+ DIE(aTHX_ "Undefined top format \"%s\" called", name);
+ else
+ DIE(aTHX_ "Undefined top format called");
}
- /* why no:
- else
- DIE(aTHX_ "Undefined top format called");
- ?*/
- if (CvCLONE(cv))
+ if (cv && CvCLONE(cv))
cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
- return doform(cv,gv,PL_op);
+ return doform(cv, gv, PL_op);
}
forget_top:
IO *io;
PerlIO *fp;
SV *sv;
- MAGIC *mg;
GV * const gv = (PL_op->op_flags & OPf_STACKED) ? (GV*)*++MARK : PL_defoutgv;
- if (gv && (io = GvIO(gv))
- && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
- {
- if (MARK == ORIGMARK) {
- MEXTEND(SP, 1);
- ++MARK;
- Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
- ++SP;
+ if (gv && (io = GvIO(gv))) {
+ MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar);
+ if (mg) {
+ if (MARK == ORIGMARK) {
+ MEXTEND(SP, 1);
+ ++MARK;
+ Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
+ ++SP;
+ }
+ PUSHMARK(MARK - 1);
+ *MARK = SvTIED_obj((SV*)io, mg);
+ PUTBACK;
+ ENTER;
+ call_method("PRINTF", G_SCALAR);
+ LEAVE;
+ SPAGAIN;
+ MARK = ORIGMARK + 1;
+ *MARK = *SP;
+ SP = MARK;
+ RETURN;
}
- PUSHMARK(MARK - 1);
- *MARK = SvTIED_obj((SV*)io, mg);
- PUTBACK;
- ENTER;
- call_method("PRINTF", G_SCALAR);
- LEAVE;
- SPAGAIN;
- MARK = ORIGMARK + 1;
- *MARK = *SP;
- SP = MARK;
- RETURN;
}
- sv = NEWSV(0,0);
+ sv = newSV(0);
if (!(io = GvIO(gv))) {
if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
report_evil_fh(gv, io, PL_op->op_type);
PP(pp_sysopen)
{
+ dVAR;
dSP;
const int perm = (MAXARG > 3) ? POPi : 0666;
const int mode = POPi;
/* Need TIEHANDLE method ? */
const char * const tmps = SvPV_const(sv, len);
/* FIXME? do_open should do const */
- if (do_open(gv, tmps, len, TRUE, mode, perm, Nullfp)) {
+ if (do_open(gv, tmps, len, TRUE, mode, perm, NULL)) {
IoLINES(GvIOp(gv)) = 0;
PUSHs(&PL_sv_yes);
}
IO *io;
SV *bufsv;
const char *buffer;
- Size_t length = 0;
SSize_t retval;
STRLEN blen;
- MAGIC *mg;
+ STRLEN orig_blen_bytes;
const int op_type = PL_op->op_type;
+ bool doing_utf8;
+ U8 *tmpbuf = NULL;
GV *const gv = (GV*)*++MARK;
if (PL_op->op_type == OP_SYSWRITE
- && gv && (io = GvIO(gv))
- && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
- {
- SV *sv;
+ && gv && (io = GvIO(gv))) {
+ MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar);
+ if (mg) {
+ SV *sv;
- if (MARK == SP - 1) {
- EXTEND(SP, 1000);
- sv = sv_2mortal(newSViv(sv_len(*SP)));
+ if (MARK == SP - 1) {
+ EXTEND(SP, 1000);
+ sv = sv_2mortal(newSViv(sv_len(*SP)));
+ PUSHs(sv);
+ PUTBACK;
+ }
+
+ PUSHMARK(ORIGMARK);
+ *(ORIGMARK+1) = SvTIED_obj((SV*)io, mg);
+ ENTER;
+ call_method("WRITE", G_SCALAR);
+ LEAVE;
+ SPAGAIN;
+ sv = POPs;
+ SP = ORIGMARK;
PUSHs(sv);
- PUTBACK;
+ RETURN;
}
-
- PUSHMARK(ORIGMARK);
- *(ORIGMARK+1) = SvTIED_obj((SV*)io, mg);
- ENTER;
- call_method("WRITE", G_SCALAR);
- LEAVE;
- SPAGAIN;
- sv = POPs;
- SP = ORIGMARK;
- PUSHs(sv);
- RETURN;
}
if (!gv)
goto say_undef;
bufsv = *++MARK;
- if (op_type == OP_SYSWRITE) {
- if (MARK >= SP) {
- length = (Size_t) sv_len(bufsv);
- } else {
-#if Size_t_size > IVSIZE
- length = (Size_t)SvNVx(*++MARK);
-#else
- length = (Size_t)SvIVx(*++MARK);
-#endif
- if ((SSize_t)length < 0)
- DIE(aTHX_ "Negative length");
- }
- }
SETERRNO(0,0);
io = GvIO(gv);
if (!io || !IoIFP(io)) {
goto say_undef;
}
+ /* Do this first to trigger any overloading. */
+ buffer = SvPV_const(bufsv, blen);
+ orig_blen_bytes = blen;
+ doing_utf8 = DO_UTF8(bufsv);
+
if (PerlIO_isutf8(IoIFP(io))) {
if (!SvUTF8(bufsv)) {
- bufsv = sv_2mortal(newSVsv(bufsv));
- buffer = sv_2pvutf8(bufsv, &blen);
- } else
- buffer = SvPV_const(bufsv, blen);
+ /* We don't modify the original scalar. */
+ tmpbuf = bytes_to_utf8((const U8*) buffer, &blen);
+ buffer = (char *) tmpbuf;
+ doing_utf8 = TRUE;
+ }
}
- else {
- if (DO_UTF8(bufsv)) {
- /* Not modifying source SV, so making a temporary copy. */
- bufsv = sv_2mortal(newSVsv(bufsv));
- sv_utf8_downgrade(bufsv, FALSE);
- }
- buffer = SvPV_const(bufsv, blen);
+ else if (doing_utf8) {
+ STRLEN tmplen = blen;
+ U8 * const result = bytes_from_utf8((const U8*) buffer, &tmplen, &doing_utf8);
+ if (!doing_utf8) {
+ tmpbuf = result;
+ buffer = (char *) tmpbuf;
+ blen = tmplen;
+ }
+ else {
+ assert((char *)result == buffer);
+ Perl_croak(aTHX_ "Wide character in %s", OP_DESC(PL_op));
+ }
}
if (op_type == OP_SYSWRITE) {
+ Size_t length = 0; /* This length is in characters. */
+ STRLEN blen_chars;
IV offset;
- if (DO_UTF8(bufsv)) {
- /* length and offset are in chars */
- blen = sv_len_utf8(bufsv);
+
+ if (doing_utf8) {
+ if (tmpbuf) {
+ /* The SV is bytes, and we've had to upgrade it. */
+ blen_chars = orig_blen_bytes;
+ } else {
+ /* The SV really is UTF-8. */
+ if (SvGMAGICAL(bufsv) || SvAMAGIC(bufsv)) {
+ /* Don't call sv_len_utf8 again because it will call magic
+ or overloading a second time, and we might get back a
+ different result. */
+ blen_chars = utf8_length((U8*)buffer, (U8*)buffer + blen);
+ } else {
+ /* It's safe, and it may well be cached. */
+ blen_chars = sv_len_utf8(bufsv);
+ }
+ }
+ } else {
+ blen_chars = blen;
+ }
+
+ if (MARK >= SP) {
+ length = blen_chars;
+ } else {
+#if Size_t_size > IVSIZE
+ length = (Size_t)SvNVx(*++MARK);
+#else
+ length = (Size_t)SvIVx(*++MARK);
+#endif
+ if ((SSize_t)length < 0) {
+ Safefree(tmpbuf);
+ DIE(aTHX_ "Negative length");
+ }
}
+
if (MARK < SP) {
offset = SvIVx(*++MARK);
if (offset < 0) {
- if (-offset > (IV)blen)
+ if (-offset > (IV)blen_chars) {
+ Safefree(tmpbuf);
DIE(aTHX_ "Offset outside string");
- offset += blen;
- } else if (offset >= (IV)blen && blen > 0)
+ }
+ offset += blen_chars;
+ } else if (offset >= (IV)blen_chars && blen_chars > 0) {
+ Safefree(tmpbuf);
DIE(aTHX_ "Offset outside string");
+ }
} else
offset = 0;
- if (length > blen - offset)
- length = blen - offset;
- if (DO_UTF8(bufsv)) {
- buffer = (const char*)utf8_hop((const U8 *)buffer, offset);
- length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
+ if (length > blen_chars - offset)
+ length = blen_chars - offset;
+ if (doing_utf8) {
+ /* Here we convert length from characters to bytes. */
+ if (tmpbuf || SvGMAGICAL(bufsv) || SvAMAGIC(bufsv)) {
+ /* Either we had to convert the SV, or the SV is magical, or
+ the SV has overloading, in which case we can't or mustn't
+ or mustn't call it again. */
+
+ buffer = (const char*)utf8_hop((const U8 *)buffer, offset);
+ length = utf8_hop((U8 *)buffer, length) - (U8 *)buffer;
+ } else {
+ /* It's a real UTF-8 SV, and it's not going to change under
+ us. Take advantage of any cache. */
+ I32 start = offset;
+ I32 len_I32 = length;
+
+ /* Convert the start and end character positions to bytes.
+ Remember that the second argument to sv_pos_u2b is relative
+ to the first. */
+ sv_pos_u2b(bufsv, &start, &len_I32);
+
+ buffer += start;
+ length = len_I32;
+ }
}
else {
buffer = buffer+offset;
else
DIE(aTHX_ PL_no_sock_func, "send");
#endif
+
if (retval < 0)
goto say_undef;
SP = ORIGMARK;
- if (DO_UTF8(bufsv))
+ if (doing_utf8)
retval = utf8_length((U8*)buffer, (U8*)buffer + retval);
+
+ Safefree(tmpbuf);
#if Size_t_size > IVSIZE
PUSHn(retval);
#else
RETURN;
say_undef:
+ Safefree(tmpbuf);
SP = ORIGMARK;
RETPUSHUNDEF;
}
{
dVAR; dSP;
GV *gv;
- IO *io;
- MAGIC *mg;
if (MAXARG == 0) {
if (PL_op->op_flags & OPf_SPECIAL) { /* eof() */
if ((IoFLAGS(io) & IOf_START) && av_len(GvAVn(gv)) < 0) {
IoLINES(io) = 0;
IoFLAGS(io) &= ~IOf_START;
- do_open(gv, "-", 1, FALSE, O_RDONLY, 0, Nullfp);
+ do_open(gv, "-", 1, FALSE, O_RDONLY, 0, NULL);
sv_setpvn(GvSV(gv), "-", 1);
SvSETMAGIC(GvSV(gv));
}
else
gv = PL_last_in_gv = (GV*)POPs; /* eof(FH) */
- if (gv && (io = GvIO(gv))
- && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
- {
- PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)io, mg));
- PUTBACK;
- ENTER;
- call_method("EOF", G_SCALAR);
- LEAVE;
- SPAGAIN;
- RETURN;
+ if (gv) {
+ IO * const io = GvIO(gv);
+ MAGIC * mg;
+ if (io && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar))) {
+ PUSHMARK(SP);
+ XPUSHs(SvTIED_obj((SV*)io, mg));
+ PUTBACK;
+ ENTER;
+ call_method("EOF", G_SCALAR);
+ LEAVE;
+ SPAGAIN;
+ RETURN;
+ }
}
PUSHs(boolSV(!gv || do_eof(gv)));
dVAR; dSP; dTARGET;
GV *gv;
IO *io;
- MAGIC *mg;
if (MAXARG != 0)
PL_last_in_gv = (GV*)POPs;
gv = PL_last_in_gv;
- if (gv && (io = GvIO(gv))
- && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
- {
- PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)io, mg));
- PUTBACK;
- ENTER;
- call_method("TELL", G_SCALAR);
- LEAVE;
- SPAGAIN;
- RETURN;
+ if (gv && (io = GvIO(gv))) {
+ MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar);
+ if (mg) {
+ PUSHMARK(SP);
+ XPUSHs(SvTIED_obj((SV*)io, mg));
+ PUTBACK;
+ ENTER;
+ call_method("TELL", G_SCALAR);
+ LEAVE;
+ SPAGAIN;
+ RETURN;
+ }
}
#if LSEEKSIZE > IVSIZE
PP(pp_sysseek)
{
dVAR; dSP;
- IO *io;
const int whence = POPi;
#if LSEEKSIZE > IVSIZE
const Off_t offset = (Off_t)SvNVx(POPs);
#else
const Off_t offset = (Off_t)SvIVx(POPs);
#endif
- MAGIC *mg;
GV * const gv = PL_last_in_gv = (GV*)POPs;
+ IO *io;
- if (gv && (io = GvIO(gv))
- && (mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar)))
- {
- PUSHMARK(SP);
- XPUSHs(SvTIED_obj((SV*)io, mg));
+ if (gv && (io = GvIO(gv))) {
+ MAGIC * const mg = SvTIED_mg((SV*)io, PERL_MAGIC_tiedscalar);
+ if (mg) {
+ PUSHMARK(SP);
+ XPUSHs(SvTIED_obj((SV*)io, mg));
#if LSEEKSIZE > IVSIZE
- XPUSHs(sv_2mortal(newSVnv((NV) offset)));
+ XPUSHs(sv_2mortal(newSVnv((NV) offset)));
#else
- XPUSHs(sv_2mortal(newSViv(offset)));
+ XPUSHs(sv_2mortal(newSViv(offset)));
#endif
- XPUSHs(sv_2mortal(newSViv(whence)));
- PUTBACK;
- ENTER;
- call_method("SEEK", G_SCALAR);
- LEAVE;
- SPAGAIN;
- RETURN;
+ XPUSHs(sv_2mortal(newSViv(whence)));
+ PUTBACK;
+ ENTER;
+ call_method("SEEK", G_SCALAR);
+ LEAVE;
+ SPAGAIN;
+ RETURN;
+ }
}
if (PL_op->op_type == OP_SEEK)
PP(pp_truncate)
{
+ dVAR;
dSP;
/* There seems to be no consensus on the length type of truncate()
* and ftruncate(), both off_t and size_t have supporters. In
IO *io;
if (PL_op->op_flags & OPf_SPECIAL) {
- tmpgv = gv_fetchsv(POPs, FALSE, SVt_PVIO);
+ tmpgv = gv_fetchsv(POPs, 0, SVt_PVIO);
do_ftruncate_gv:
if (!GvIO(tmpgv))
PP(pp_ioctl)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
SV * const argsv = POPs;
const unsigned int func = POPu;
const int optype = PL_op->op_type;
GV * const gv = (GV*)POPs;
- IO * const io = gv ? GvIOn(gv) : Null(IO*);
+ IO * const io = gv ? GvIOn(gv) : NULL;
char *s;
IV retval;
s = INT2PTR(char*,retval); /* ouch */
}
- TAINT_PROPER(optype == OP_IOCTL ? "ioctl" : "fcntl");
+ TAINT_PROPER(PL_op_desc[optype]);
if (optype == OP_IOCTL)
#ifdef HAS_IOCTL
PP(pp_flock)
{
#ifdef FLOCK
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
I32 value;
IO *io = NULL;
PerlIO *fp;
if (gv && (io = GvIO(gv)))
fp = IoIFP(io);
else {
- fp = Nullfp;
+ fp = NULL;
io = NULL;
}
/* XXX Looks to me like io is always NULL at this point */
PP(pp_socket)
{
#ifdef HAS_SOCKET
- dSP;
+ dVAR; dSP;
const int protocol = POPi;
const int type = POPi;
const int domain = POPi;
if (!gv || !io) {
if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
report_evil_fh(gv, io, PL_op->op_type);
- if (IoIFP(io))
+ if (io && IoIFP(io))
do_close(gv, FALSE);
SETERRNO(EBADF,LIB_INVARG);
RETPUSHUNDEF;
PP(pp_sockpair)
{
#if defined (HAS_SOCKETPAIR) || (defined (HAS_SOCKET) && defined(SOCK_DGRAM) && defined(AF_INET) && defined(PF_INET))
- dSP;
+ dVAR; dSP;
const int protocol = POPi;
const int type = POPi;
const int domain = POPi;
if (!gv2 || !io2)
report_evil_fh(gv1, io2, PL_op->op_type);
}
- if (IoIFP(io1))
+ if (io1 && IoIFP(io1))
do_close(gv1, FALSE);
- if (IoIFP(io2))
+ if (io2 && IoIFP(io2))
do_close(gv2, FALSE);
RETPUSHUNDEF;
}
PP(pp_bind)
{
#ifdef HAS_SOCKET
- dSP;
-#ifdef MPE /* Requires PRIV mode to bind() to ports < 1024 */
- extern void GETPRIVMODE();
- extern void GETUSERMODE();
-#endif
+ dVAR; dSP;
SV * const addrsv = POPs;
/* OK, so on what platform does bind modify addr? */
const char *addr;
GV * const gv = (GV*)POPs;
register IO * const io = GvIOn(gv);
STRLEN len;
- int bind_ok = 0;
-#ifdef MPE
- int mpeprivmode = 0;
-#endif
if (!io || !IoIFP(io))
goto nuts;
addr = SvPV_const(addrsv, len);
TAINT_PROPER("bind");
-#ifdef MPE /* Deal with MPE bind() peculiarities */
- if (((struct sockaddr *)addr)->sa_family == AF_INET) {
- /* The address *MUST* stupidly be zero. */
- ((struct sockaddr_in *)addr)->sin_addr.s_addr = INADDR_ANY;
- /* PRIV mode is required to bind() to ports < 1024. */
- if (((struct sockaddr_in *)addr)->sin_port < 1024 &&
- ((struct sockaddr_in *)addr)->sin_port > 0) {
- GETPRIVMODE(); /* If this fails, we are aborted by MPE/iX. */
- mpeprivmode = 1;
- }
- }
-#endif /* MPE */
- if (PerlSock_bind(PerlIO_fileno(IoIFP(io)),
- (struct sockaddr *)addr, len) >= 0)
- bind_ok = 1;
-
-#ifdef MPE /* Switch back to USER mode */
- if (mpeprivmode)
- GETUSERMODE();
-#endif /* MPE */
-
- if (bind_ok)
+ if (PerlSock_bind(PerlIO_fileno(IoIFP(io)), (struct sockaddr *)addr, len) >= 0)
RETPUSHYES;
else
RETPUSHUNDEF;
PP(pp_connect)
{
#ifdef HAS_SOCKET
- dSP;
+ dVAR; dSP;
SV * const addrsv = POPs;
GV * const gv = (GV*)POPs;
register IO * const io = GvIOn(gv);
PP(pp_listen)
{
#ifdef HAS_SOCKET
- dSP;
+ dVAR; dSP;
const int backlog = POPi;
GV * const gv = (GV*)POPs;
register IO * const io = gv ? GvIOn(gv) : NULL;
PP(pp_accept)
{
#ifdef HAS_SOCKET
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
register IO *nstio;
register IO *gstio;
char namebuf[MAXPATHLEN];
PP(pp_shutdown)
{
#ifdef HAS_SOCKET
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
const int how = POPi;
GV * const gv = (GV*)POPs;
register IO * const io = GvIOn(gv);
PP(pp_ssockopt)
{
#ifdef HAS_SOCKET
- dSP;
+ dVAR; dSP;
const int optype = PL_op->op_type;
- SV * const sv = (optype == OP_GSOCKOPT) ? sv_2mortal(NEWSV(22, 257)) : POPs;
+ SV * const sv = (optype == OP_GSOCKOPT) ? sv_2mortal(newSV(257)) : POPs;
const unsigned int optname = (unsigned int) POPi;
const unsigned int lvl = (unsigned int) POPi;
GV * const gv = (GV*)POPs;
PP(pp_getpeername)
{
#ifdef HAS_SOCKET
- dSP;
+ dVAR; dSP;
const int optype = PL_op->op_type;
GV * const gv = (GV*)POPs;
register IO * const io = GvIOn(gv);
if (!io || !IoIFP(io))
goto nuts;
- sv = sv_2mortal(NEWSV(22, 257));
+ sv = sv_2mortal(newSV(257));
(void)SvPOK_only(sv);
len = 256;
SvCUR_set(sv, len);
PP(pp_stat)
{
+ dVAR;
dSP;
GV *gv;
I32 gimme;
goto do_fstat;
}
sv_setpv(PL_statname, SvPV_nolen_const(sv));
- PL_statgv = Nullgv;
+ PL_statgv = NULL;
PL_laststype = PL_op->op_type;
if (PL_op->op_type == OP_LSTAT)
PL_laststatval = PerlLIO_lstat(SvPV_nolen_const(PL_statname), &PL_statcache);
#ifdef USE_STAT_RDEV
PUSHs(sv_2mortal(newSViv(PL_statcache.st_rdev)));
#else
- PUSHs(sv_2mortal(newSVpvn("", 0)));
+ PUSHs(sv_2mortal(newSVpvs("")));
#endif
#if Off_t_size > IVSIZE
PUSHs(sv_2mortal(newSVnv((NV)PL_statcache.st_size)));
PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blksize)));
PUSHs(sv_2mortal(newSVuv(PL_statcache.st_blocks)));
#else
- PUSHs(sv_2mortal(newSVpvn("", 0)));
- PUSHs(sv_2mortal(newSVpvn("", 0)));
+ PUSHs(sv_2mortal(newSVpvs("")));
+ PUSHs(sv_2mortal(newSVpvs("")));
#endif
}
RETURN;
PP(pp_ftrread)
{
+ dVAR;
I32 result;
/* Not const, because things tweak this below. Not bool, because there's
no guarantee that OPp_FT_ACCESS is <= CHAR_MAX */
PP(pp_ftis)
{
+ dVAR;
I32 result;
const int op_type = PL_op->op_type;
dSP;
PP(pp_ftrowned)
{
+ dVAR;
I32 result;
dSP;
PP(pp_ftlink)
{
+ dVAR;
I32 result = my_lstat();
dSP;
if (result < 0)
PP(pp_fttty)
{
+ dVAR;
dSP;
int fd;
GV *gv;
- SV *tmpsv = Nullsv;
+ SV *tmpsv = NULL;
STACKED_FTEST_CHECK;
else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
gv = (GV*)SvRV(POPs);
else
- gv = gv_fetchsv(tmpsv = POPs, FALSE, SVt_PVIO);
+ gv = gv_fetchsv(tmpsv = POPs, 0, SVt_PVIO);
if (GvIO(gv) && IoIFP(GvIOp(gv)))
fd = PerlIO_fileno(IoIFP(GvIOp(gv)));
PP(pp_fttext)
{
+ dVAR;
dSP;
I32 i;
I32 len;
else if (SvROK(TOPs) && isGV(SvRV(TOPs)))
gv = (GV*)SvRV(POPs);
else
- gv = Nullgv;
+ gv = NULL;
if (gv) {
EXTEND(SP, 1);
else {
sv = POPs;
really_filename:
- PL_statgv = Nullgv;
+ PL_statgv = NULL;
PL_laststype = OP_STAT;
sv_setpv(PL_statname, SvPV_nolen_const(sv));
if (!(fp = PerlIO_open(SvPVX_const(PL_statname), "r"))) {
(void)PerlIO_close(fp);
RETPUSHUNDEF;
}
- PerlIO_binmode(aTHX_ fp, '<', O_BINARY, Nullch);
+ PerlIO_binmode(aTHX_ fp, '<', O_BINARY, NULL);
len = PerlIO_read(fp, tbuf, sizeof(tbuf));
(void)PerlIO_close(fp);
if (len <= 0) {
PP(pp_chdir)
{
- dSP; dTARGET;
- const char *tmps = 0;
+ dVAR; dSP; dTARGET;
+ const char *tmps = NULL;
GV *gv = NULL;
if( MAXARG == 1 ) {
SV * const sv = POPs;
- if (SvTYPE(sv) == SVt_PVGV) {
+ if (PL_op->op_flags & OPf_SPECIAL) {
+ gv = gv_fetchsv(sv, 0, SVt_PVIO);
+ }
+ else if (SvTYPE(sv) == SVt_PVGV) {
gv = (GV*)sv;
}
else if (SvROK(sv) && SvTYPE(SvRV(sv)) == SVt_PVGV) {
HV * const table = GvHVn(PL_envgv);
SV **svp;
- if ( (svp = hv_fetch(table, "HOME", 4, FALSE))
- || (svp = hv_fetch(table, "LOGDIR", 6, FALSE))
+ if ( (svp = hv_fetchs(table, "HOME", FALSE))
+ || (svp = hv_fetchs(table, "LOGDIR", FALSE))
#ifdef VMS
- || (svp = hv_fetch(table, "SYS$LOGIN", 9, FALSE))
+ || (svp = hv_fetchs(table, "SYS$LOGIN", FALSE))
#endif
)
{
#endif
}
else {
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
+ SETERRNO(EBADF, RMS_IFI);
PUSHi(0);
}
}
else {
+ if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
+ report_evil_fh(gv, io, PL_op->op_type);
+ SETERRNO(EBADF,RMS_IFI);
PUSHi(0);
}
#else
PP(pp_chown)
{
- dSP; dMARK; dTARGET;
+ dVAR; dSP; dMARK; dTARGET;
const I32 value = (I32)apply(PL_op->op_type, MARK, SP);
SP = MARK;
PP(pp_chroot)
{
#ifdef HAS_CHROOT
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
char * const tmps = POPpx;
TAINT_PROPER("chroot");
PUSHi( chroot(tmps) >= 0 );
PP(pp_rename)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
int anum;
const char * const tmps2 = POPpconstx;
const char * const tmps = SvPV_nolen_const(TOPs);
#if defined(HAS_LINK) || defined(HAS_SYMLINK)
PP(pp_link)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
const int op_type = PL_op->op_type;
int result;
PP(pp_readlink)
{
+ dVAR;
dSP;
#ifdef HAS_SYMLINK
dTARGET;
/* Need to save/restore 'PL_rs' ?? */
s = sv_gets(tmpsv, myfp, 0);
(void)PerlProc_pclose(myfp);
- if (s != Nullch) {
+ if (s != NULL) {
int e;
for (e = 1;
#ifdef HAS_SYS_ERRLIST
; e++)
{
/* you don't see this */
- char *errmsg =
+ const char * const errmsg =
#ifdef HAS_SYS_ERRLIST
sys_errlist[e]
#else
PP(pp_mkdir)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
STRLEN len;
const char *tmps;
bool copy = FALSE;
PP(pp_rmdir)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
STRLEN len;
const char *tmps;
bool copy = FALSE;
PP(pp_open_dir)
{
#if defined(Direntry_t) && defined(HAS_READDIR)
- dSP;
+ dVAR; dSP;
const char * const dirname = POPpconstx;
GV * const gv = (GV*)POPs;
register IO * const io = GvIOn(gv);
#if !defined(I_DIRENT) && !defined(VMS)
Direntry_t *readdir (DIR *);
#endif
+ dVAR;
dSP;
SV *sv;
register const Direntry_t *dp;
register IO * const io = GvIOn(gv);
- if (!io || !IoDIRP(io))
- goto nope;
+ if (!io || !IoDIRP(io)) {
+ if(ckWARN(WARN_IO)) {
+ Perl_warner(aTHX_ packWARN(WARN_IO),
+ "readdir() attempted on invalid dirhandle %s", GvENAME(gv));
+ }
+ goto nope;
+ }
do {
dp = (Direntry_t *)PerlDir_read(IoDIRP(io));
SvTAINTED_on(sv);
#endif
XPUSHs(sv_2mortal(sv));
- }
- while (gimme == G_ARRAY);
+ } while (gimme == G_ARRAY);
if (!dp && gimme != G_ARRAY)
goto nope;
GV * const gv = (GV*)POPs;
register IO * const io = GvIOn(gv);
- if (!io || !IoDIRP(io))
- goto nope;
+ if (!io || !IoDIRP(io)) {
+ if(ckWARN(WARN_IO)) {
+ Perl_warner(aTHX_ packWARN(WARN_IO),
+ "telldir() attempted on invalid dirhandle %s", GvENAME(gv));
+ }
+ goto nope;
+ }
PUSHi( PerlDir_tell(IoDIRP(io)) );
RETURN;
PP(pp_seekdir)
{
#if defined(HAS_SEEKDIR) || defined(seekdir)
- dSP;
+ dVAR; dSP;
const long along = POPl;
GV * const gv = (GV*)POPs;
register IO * const io = GvIOn(gv);
- if (!io || !IoDIRP(io))
- goto nope;
-
+ if (!io || !IoDIRP(io)) {
+ if(ckWARN(WARN_IO)) {
+ Perl_warner(aTHX_ packWARN(WARN_IO),
+ "seekdir() attempted on invalid dirhandle %s", GvENAME(gv));
+ }
+ goto nope;
+ }
(void)PerlDir_seek(IoDIRP(io), along);
RETPUSHYES;
PP(pp_rewinddir)
{
#if defined(HAS_REWINDDIR) || defined(rewinddir)
- dSP;
+ dVAR; dSP;
GV * const gv = (GV*)POPs;
register IO * const io = GvIOn(gv);
- if (!io || !IoDIRP(io))
+ if (!io || !IoDIRP(io)) {
+ if(ckWARN(WARN_IO)) {
+ Perl_warner(aTHX_ packWARN(WARN_IO),
+ "rewinddir() attempted on invalid dirhandle %s", GvENAME(gv));
+ }
goto nope;
-
+ }
(void)PerlDir_rewind(IoDIRP(io));
RETPUSHYES;
nope:
PP(pp_closedir)
{
#if defined(Direntry_t) && defined(HAS_READDIR)
- dSP;
+ dVAR; dSP;
GV * const gv = (GV*)POPs;
register IO * const io = GvIOn(gv);
- if (!io || !IoDIRP(io))
- goto nope;
-
+ if (!io || !IoDIRP(io)) {
+ if(ckWARN(WARN_IO)) {
+ Perl_warner(aTHX_ packWARN(WARN_IO),
+ "closedir() attempted on invalid dirhandle %s", GvENAME(gv));
+ }
+ goto nope;
+ }
#ifdef VOID_CLOSEDIR
PerlDir_close(IoDIRP(io));
#else
PP(pp_fork)
{
#ifdef HAS_FORK
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
Pid_t childpid;
EXTEND(SP, 1);
if (childpid < 0)
RETSETUNDEF;
if (!childpid) {
- GV * const tmpgv = gv_fetchpv("$", TRUE, SVt_PV);
+ GV * const tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV);
if (tmpgv) {
SvREADONLY_off(GvSV(tmpgv));
sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid());
PP(pp_wait)
{
#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
Pid_t childpid;
int argflags;
PP(pp_waitpid)
{
#if (!defined(DOSISH) || defined(OS2) || defined(WIN32)) && !defined(MACOS_TRADITIONAL)
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
const int optype = POPi;
const Pid_t pid = TOPi;
Pid_t result;
PP(pp_system)
{
- dSP; dMARK; dORIGMARK; dTARGET;
+ dVAR; dSP; dMARK; dORIGMARK; dTARGET;
I32 value;
int result;
SP = ORIGMARK;
if (did_pipes) {
int errkid;
- int n = 0, n1;
+ unsigned n = 0;
+ SSize_t n1;
while (n < sizeof(int)) {
n1 = PerlLIO_read(pp[0],
value = (I32)do_aexec5(really, MARK, SP, pp[1], did_pipes);
}
else if (SP - MARK != 1)
- value = (I32)do_aexec5(Nullsv, MARK, SP, pp[1], did_pipes);
+ value = (I32)do_aexec5(NULL, MARK, SP, pp[1], did_pipes);
else {
value = (I32)do_exec3(SvPVx_nolen(sv_mortalcopy(*SP)), pp[1], did_pipes);
}
}
else if (SP - MARK != 1) {
# if defined(WIN32) || defined(OS2) || defined(__SYMBIAN32__)
- value = (I32)do_aspawn(Nullsv, MARK, SP);
+ value = (I32)do_aspawn(NULL, MARK, SP);
# else
- value = (I32)do_aspawn(Nullsv, (void **)MARK, (void **)SP);
+ value = (I32)do_aspawn(NULL, (void **)MARK, (void **)SP);
# endif
}
else {
PP(pp_exec)
{
- dSP; dMARK; dORIGMARK; dTARGET;
+ dVAR; dSP; dMARK; dORIGMARK; dTARGET;
I32 value;
if (PL_tainting) {
}
else if (SP - MARK != 1)
#ifdef VMS
- value = (I32)vms_do_aexec(Nullsv, MARK, SP);
+ value = (I32)vms_do_aexec(NULL, MARK, SP);
#else
# ifdef __OPEN_VM
{
- (void ) do_aspawn(Nullsv, MARK, SP);
+ (void ) do_aspawn(NULL, MARK, SP);
value = 0;
}
# else
- value = (I32)do_aexec(Nullsv, MARK, SP);
+ value = (I32)do_aexec(NULL, MARK, SP);
# endif
#endif
else {
PP(pp_getppid)
{
#ifdef HAS_GETPPID
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
# ifdef THREADS_HAVE_PIDS
if (PL_ppid != 1 && getppid() == 1)
/* maybe the parent process has died. Refresh ppid cache */
PP(pp_getpgrp)
{
#ifdef HAS_GETPGRP
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
Pid_t pgrp;
const Pid_t pid = (MAXARG < 1) ? 0 : SvIVx(POPs);
PP(pp_setpgrp)
{
#ifdef HAS_SETPGRP
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
Pid_t pgrp;
Pid_t pid;
if (MAXARG < 2) {
PP(pp_getpriority)
{
#ifdef HAS_GETPRIORITY
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
const int who = POPi;
const int which = TOPi;
SETi( getpriority(which, who) );
PP(pp_setpriority)
{
#ifdef HAS_SETPRIORITY
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
const int niceval = POPi;
const int who = POPi;
const int which = TOPi;
PP(pp_time)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
#ifdef BIG_TIME
- XPUSHn( time(Null(Time_t*)) );
+ XPUSHn( time(NULL) );
#else
- XPUSHi( time(Null(Time_t*)) );
+ XPUSHi( time(NULL) );
#endif
RETURN;
}
PP(pp_tms)
{
#ifdef HAS_TIMES
+ dVAR;
dSP;
EXTEND(SP, 4);
#ifndef VMS
PP(pp_gmtime)
{
+ dVAR;
dSP;
Time_t when;
const struct tm *tmbuf;
PP(pp_alarm)
{
#ifdef HAS_ALARM
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
int anum;
anum = POPi;
anum = alarm((unsigned int)anum);
PP(pp_sleep)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
I32 duration;
Time_t lasttime;
Time_t when;
PP(pp_shmwrite)
{
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- dSP; dMARK; dTARGET;
+ dVAR; dSP; dMARK; dTARGET;
const int op_type = PL_op->op_type;
I32 value;
PP(pp_semget)
{
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- dSP; dMARK; dTARGET;
+ dVAR; dSP; dMARK; dTARGET;
const int anum = do_ipcget(PL_op->op_type, MARK, SP);
SP = MARK;
if (anum == -1)
PP(pp_semctl)
{
#if defined(HAS_MSG) || defined(HAS_SEM) || defined(HAS_SHM)
- dSP; dMARK; dTARGET;
+ dVAR; dSP; dMARK; dTARGET;
const int anum = do_ipcctl(PL_op->op_type, MARK, SP);
SP = MARK;
if (anum == -1)
#endif
}
+/* I can't const this further without getting warnings about the types of
+ various arrays passed in from structures. */
+static SV *
+S_space_join_names_mortal(pTHX_ char *const *array)
+{
+ SV *target;
+
+ if (array && *array) {
+ target = sv_2mortal(newSVpvs(""));
+ while (1) {
+ sv_catpv(target, *array);
+ if (!*++array)
+ break;
+ sv_catpvs(target, " ");
+ }
+ } else {
+ target = sv_mortalcopy(&PL_sv_no);
+ }
+ return target;
+}
+
/* Get system info. */
PP(pp_ghostent)
{
#if defined(HAS_GETHOSTBYNAME) || defined(HAS_GETHOSTBYADDR) || defined(HAS_GETHOSTENT)
- dSP;
+ dVAR; dSP;
I32 which = PL_op->op_type;
register char **elem;
register SV *sv;
}
if (hent) {
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setpv(sv, (char*)hent->h_name);
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- for (elem = hent->h_aliases; elem && *elem; elem++) {
- sv_catpv(sv, *elem);
- if (elem[1])
- sv_catpvn(sv, " ", 1);
- }
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setiv(sv, (IV)hent->h_addrtype);
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
+ PUSHs(sv_2mortal(newSVpv((char*)hent->h_name, 0)));
+ PUSHs(space_join_names_mortal(hent->h_aliases));
+ PUSHs(sv_2mortal(newSViv((IV)hent->h_addrtype)));
len = hent->h_length;
- sv_setiv(sv, (IV)len);
+ PUSHs(sv_2mortal(newSViv((IV)len)));
#ifdef h_addr
for (elem = hent->h_addr_list; elem && *elem; elem++) {
- XPUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setpvn(sv, *elem, len);
+ XPUSHs(sv_2mortal(newSVpvn(*elem, len)));
}
#else
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
if (hent->h_addr)
- sv_setpvn(sv, hent->h_addr, len);
+ PUSHs(newSVpvn(hent->h_addr, len));
+ else
+ PUSHs(sv_mortalcopy(&PL_sv_no));
#endif /* h_addr */
}
RETURN;
PP(pp_gnetent)
{
#if defined(HAS_GETNETBYNAME) || defined(HAS_GETNETBYADDR) || defined(HAS_GETNETENT)
- dSP;
+ dVAR; dSP;
I32 which = PL_op->op_type;
- register char **elem;
register SV *sv;
#ifndef HAS_GETNET_PROTOS /* XXX Do we need individual probes? */
struct netent *getnetbyaddr(Netdb_net_t, int);
}
if (nent) {
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setpv(sv, nent->n_name);
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- for (elem = nent->n_aliases; elem && *elem; elem++) {
- sv_catpv(sv, *elem);
- if (elem[1])
- sv_catpvn(sv, " ", 1);
- }
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setiv(sv, (IV)nent->n_addrtype);
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setiv(sv, (IV)nent->n_net);
+ PUSHs(sv_2mortal(newSVpv(nent->n_name, 0)));
+ PUSHs(space_join_names_mortal(nent->n_aliases));
+ PUSHs(sv_2mortal(newSViv((IV)nent->n_addrtype)));
+ PUSHs(sv_2mortal(newSViv((IV)nent->n_net)));
}
RETURN;
PP(pp_gprotoent)
{
#if defined(HAS_GETPROTOBYNAME) || defined(HAS_GETPROTOBYNUMBER) || defined(HAS_GETPROTOENT)
- dSP;
+ dVAR; dSP;
I32 which = PL_op->op_type;
- register char **elem;
register SV *sv;
#ifndef HAS_GETPROTO_PROTOS /* XXX Do we need individual probes? */
struct protoent *getprotobyname(Netdb_name_t);
}
if (pent) {
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setpv(sv, pent->p_name);
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- for (elem = pent->p_aliases; elem && *elem; elem++) {
- sv_catpv(sv, *elem);
- if (elem[1])
- sv_catpvn(sv, " ", 1);
- }
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setiv(sv, (IV)pent->p_proto);
+ PUSHs(sv_2mortal(newSVpv(pent->p_name, 0)));
+ PUSHs(space_join_names_mortal(pent->p_aliases));
+ PUSHs(sv_2mortal(newSViv((IV)pent->p_proto)));
}
RETURN;
PP(pp_gservent)
{
#if defined(HAS_GETSERVBYNAME) || defined(HAS_GETSERVBYPORT) || defined(HAS_GETSERVENT)
- dSP;
+ dVAR; dSP;
I32 which = PL_op->op_type;
- register char **elem;
register SV *sv;
#ifndef HAS_GETSERV_PROTOS /* XXX Do we need individual probes? */
struct servent *getservbyname(Netdb_name_t, Netdb_name_t);
#ifdef HAS_GETSERVBYNAME
const char * const proto = POPpbytex;
const char * const name = POPpbytex;
- sent = PerlSock_getservbyname(name, (proto && !*proto) ? Nullch : proto);
+ sent = PerlSock_getservbyname(name, (proto && !*proto) ? NULL : proto);
#else
DIE(aTHX_ PL_no_sock_func, "getservbyname");
#endif
#ifdef HAS_HTONS
port = PerlSock_htons(port);
#endif
- sent = PerlSock_getservbyport(port, (proto && !*proto) ? Nullch : proto);
+ sent = PerlSock_getservbyport(port, (proto && !*proto) ? NULL : proto);
#else
DIE(aTHX_ PL_no_sock_func, "getservbyport");
#endif
}
if (sent) {
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setpv(sv, sent->s_name);
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- for (elem = sent->s_aliases; elem && *elem; elem++) {
- sv_catpv(sv, *elem);
- if (elem[1])
- sv_catpvn(sv, " ", 1);
- }
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
+ PUSHs(sv_2mortal(newSVpv(sent->s_name, 0)));
+ PUSHs(space_join_names_mortal(sent->s_aliases));
#ifdef HAS_NTOHS
- sv_setiv(sv, (IV)PerlSock_ntohs(sent->s_port));
+ PUSHs(sv_2mortal(newSViv((IV)PerlSock_ntohs(sent->s_port))));
#else
- sv_setiv(sv, (IV)(sent->s_port));
+ PUSHs(sv_2mortal(newSViv((IV)(sent->s_port))));
#endif
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setpv(sv, sent->s_proto);
+ PUSHs(sv_2mortal(newSVpv(sent->s_proto, 0)));
}
RETURN;
PP(pp_shostent)
{
#ifdef HAS_SETHOSTENT
- dSP;
+ dVAR; dSP;
PerlSock_sethostent(TOPi);
RETSETYES;
#else
PP(pp_snetent)
{
#ifdef HAS_SETNETENT
- dSP;
+ dVAR; dSP;
PerlSock_setnetent(TOPi);
RETSETYES;
#else
PP(pp_sprotoent)
{
#ifdef HAS_SETPROTOENT
- dSP;
+ dVAR; dSP;
PerlSock_setprotoent(TOPi);
RETSETYES;
#else
PP(pp_sservent)
{
#ifdef HAS_SETSERVENT
- dSP;
+ dVAR; dSP;
PerlSock_setservent(TOPi);
RETSETYES;
#else
PP(pp_ehostent)
{
#ifdef HAS_ENDHOSTENT
- dSP;
+ dVAR; dSP;
PerlSock_endhostent();
EXTEND(SP,1);
RETPUSHYES;
PP(pp_enetent)
{
#ifdef HAS_ENDNETENT
- dSP;
+ dVAR; dSP;
PerlSock_endnetent();
EXTEND(SP,1);
RETPUSHYES;
PP(pp_eprotoent)
{
#ifdef HAS_ENDPROTOENT
- dSP;
+ dVAR; dSP;
PerlSock_endprotoent();
EXTEND(SP,1);
RETPUSHYES;
PP(pp_eservent)
{
#ifdef HAS_ENDSERVENT
- dSP;
+ dVAR; dSP;
PerlSock_endservent();
EXTEND(SP,1);
RETPUSHYES;
PP(pp_gpwent)
{
#ifdef HAS_PASSWD
- dSP;
+ dVAR; dSP;
I32 which = PL_op->op_type;
register SV *sv;
struct passwd *pwent = NULL;
}
if (pwent) {
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setpv(sv, pwent->pw_name);
+ PUSHs(sv_2mortal(newSVpv(pwent->pw_name, 0)));
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- SvPOK_off(sv);
+ PUSHs(sv = sv_2mortal(newSViv(0)));
/* If we have getspnam(), we try to dig up the shadow
* password. If we are underprivileged, the shadow
* interface will set the errno to EACCES or similar,
SvTAINTED_on(sv);
# endif
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
# if Uid_t_sign <= 0
- sv_setiv(sv, (IV)pwent->pw_uid);
+ PUSHs(sv_2mortal(newSViv((IV)pwent->pw_uid)));
# else
- sv_setuv(sv, (UV)pwent->pw_uid);
+ PUSHs(sv_2mortal(newSVuv((UV)pwent->pw_uid)));
# endif
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
# if Uid_t_sign <= 0
- sv_setiv(sv, (IV)pwent->pw_gid);
+ PUSHs(sv_2mortal(newSViv((IV)pwent->pw_gid)));
# else
- sv_setuv(sv, (UV)pwent->pw_gid);
+ PUSHs(sv_2mortal(newSVuv((UV)pwent->pw_gid)));
# endif
/* pw_change, pw_quota, and pw_age are mutually exclusive--
* because of the poor interface of the Perl getpw*(),
* not because there's some standard/convention saying so.
* A better interface would have been to return a hash,
* but we are accursed by our history, alas. --jhi. */
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
# ifdef PWCHANGE
- sv_setiv(sv, (IV)pwent->pw_change);
+ PUSHs(sv_2mortal(newSViv((IV)pwent->pw_change)));
# else
# ifdef PWQUOTA
- sv_setiv(sv, (IV)pwent->pw_quota);
+ PUSHs(sv_2mortal(newSViv((IV)pwent->pw_quota)));
# else
# ifdef PWAGE
- sv_setpv(sv, pwent->pw_age);
+ PUSHs(sv_2mortal(newSVpv(pwent->pw_age, 0)));
+# else
+ /* I think that you can never get this compiled, but just in case. */
+ PUSHs(sv_mortalcopy(&PL_sv_no));
# endif
# endif
# endif
/* pw_class and pw_comment are mutually exclusive--.
* see the above note for pw_change, pw_quota, and pw_age. */
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
# ifdef PWCLASS
- sv_setpv(sv, pwent->pw_class);
+ PUSHs(sv_2mortal(newSVpv(pwent->pw_class, 0)));
# else
# ifdef PWCOMMENT
- sv_setpv(sv, pwent->pw_comment);
+ PUSHs(sv_2mortal(newSVpv(pwent->pw_comment, 0)));
+# else
+ /* I think that you can never get this compiled, but just in case. */
+ PUSHs(sv_mortalcopy(&PL_sv_no));
# endif
# endif
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
# ifdef PWGECOS
- sv_setpv(sv, pwent->pw_gecos);
+ PUSHs(sv = sv_2mortal(newSVpv(pwent->pw_gecos, 0)));
+# else
+ PUSHs(sv_mortalcopy(&PL_sv_no));
# endif
# ifndef INCOMPLETE_TAINTS
/* pw_gecos is tainted because user himself can diddle with it. */
SvTAINTED_on(sv);
# endif
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setpv(sv, pwent->pw_dir);
+ PUSHs(sv_2mortal(newSVpv(pwent->pw_dir, 0)));
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setpv(sv, pwent->pw_shell);
+ PUSHs(sv = sv_2mortal(newSVpv(pwent->pw_shell, 0)));
# ifndef INCOMPLETE_TAINTS
/* pw_shell is tainted because user himself can diddle with it. */
SvTAINTED_on(sv);
# endif
# ifdef PWEXPIRE
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setiv(sv, (IV)pwent->pw_expire);
+ PUSHs(sv_2mortal(newSViv((IV)pwent->pw_expire)));
# endif
}
RETURN;
PP(pp_spwent)
{
#if defined(HAS_PASSWD) && defined(HAS_SETPWENT)
- dSP;
+ dVAR; dSP;
setpwent();
RETPUSHYES;
#else
PP(pp_epwent)
{
#if defined(HAS_PASSWD) && defined(HAS_ENDPWENT)
- dSP;
+ dVAR; dSP;
endpwent();
RETPUSHYES;
#else
PP(pp_ggrent)
{
#ifdef HAS_GROUP
- dSP;
- I32 which = PL_op->op_type;
- register char **elem;
- register SV *sv;
- struct group *grent;
+ dVAR; dSP;
+ const I32 which = PL_op->op_type;
+ const struct group *grent;
if (which == OP_GGRNAM) {
const char* const name = POPpbytex;
- grent = (struct group *)getgrnam(name);
+ grent = (const struct group *)getgrnam(name);
}
else if (which == OP_GGRGID) {
const Gid_t gid = POPi;
- grent = (struct group *)getgrgid(gid);
+ grent = (const struct group *)getgrgid(gid);
}
else
#ifdef HAS_GETGRENT
EXTEND(SP, 4);
if (GIMME != G_ARRAY) {
- PUSHs(sv = sv_newmortal());
+ SV * const sv = sv_newmortal();
+
+ PUSHs(sv);
if (grent) {
if (which == OP_GGRNAM)
sv_setiv(sv, (IV)grent->gr_gid);
}
if (grent) {
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setpv(sv, grent->gr_name);
+ PUSHs(sv_2mortal(newSVpv(grent->gr_name, 0)));
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
#ifdef GRPASSWD
- sv_setpv(sv, grent->gr_passwd);
+ PUSHs(sv_2mortal(newSVpv(grent->gr_passwd, 0)));
+#else
+ PUSHs(sv_mortalcopy(&PL_sv_no));
#endif
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
- sv_setiv(sv, (IV)grent->gr_gid);
+ PUSHs(sv_2mortal(newSViv((IV)grent->gr_gid)));
#if !(defined(_CRAYMPP) && defined(USE_REENTRANT_API))
- PUSHs(sv = sv_mortalcopy(&PL_sv_no));
/* In UNICOS/mk (_CRAYMPP) the multithreading
* versions (getgrnam_r, getgrgid_r)
* seem to return an illegal pointer
* but the gr_mem is poisonous anyway.
* So yes, you cannot get the list of group
* members if building multithreaded in UNICOS/mk. */
- for (elem = grent->gr_mem; elem && *elem; elem++) {
- sv_catpv(sv, *elem);
- if (elem[1])
- sv_catpvn(sv, " ", 1);
- }
+ PUSHs(space_join_names_mortal(grent->gr_mem));
#endif
}
PP(pp_sgrent)
{
#if defined(HAS_GROUP) && defined(HAS_SETGRENT)
- dSP;
+ dVAR; dSP;
setgrent();
RETPUSHYES;
#else
PP(pp_egrent)
{
#if defined(HAS_GROUP) && defined(HAS_ENDGRENT)
- dSP;
+ dVAR; dSP;
endgrent();
RETPUSHYES;
#else
PP(pp_getlogin)
{
#ifdef HAS_GETLOGIN
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
char *tmps;
EXTEND(SP, 1);
if (!(tmps = PerlProc_getlogin()))
PP(pp_syscall)
{
#ifdef HAS_SYSCALL
- dSP; dMARK; dORIGMARK; dTARGET;
+ dVAR; dSP; dMARK; dORIGMARK; dTARGET;
register I32 items = SP - MARK;
unsigned long a[20];
register I32 i = 0;