/* av.c
*
- * Copyright (c) 1991-2002, Larry Wall
+ * Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ * 2000, 2001, 2002, 2003, 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.
IV itmp;
#endif
-#if defined(MYMALLOC) && !defined(LEAKTEST)
+#ifdef MYMALLOC
newmax = malloced_size((void*)AvALLOC(av))/sizeof(SV*) - 1;
if (key <= newmax)
Safefree(AvALLOC(av));
AvALLOC(av) = ary;
#endif
-#if defined(MYMALLOC) && !defined(LEAKTEST)
+#ifdef MYMALLOC
resized:
#endif
ary = AvALLOC(av) + AvMAX(av) + 1;
if (!av)
return 0;
+ if (SvRMAGICAL(av)) {
+ MAGIC *tied_magic = mg_find((SV*)av, PERL_MAGIC_tied);
+ if (tied_magic || mg_find((SV*)av, PERL_MAGIC_regdata)) {
+ U32 adjust_index = 1;
+
+ if (tied_magic && key < 0) {
+ /* Handle negative array indices 20020222 MJD */
+ SV **negative_indices_glob =
+ hv_fetch(SvSTASH(SvRV(SvTIED_obj((SV *)av,
+ tied_magic))),
+ NEGATIVE_INDICES_VAR, 16, 0);
+
+ if (negative_indices_glob
+ && SvTRUE(GvSV(*negative_indices_glob)))
+ adjust_index = 0;
+ }
+
+ if (key < 0 && adjust_index) {
+ key += AvFILL(av) + 1;
+ if (key < 0)
+ return 0;
+ }
+
+ sv = sv_newmortal();
+ sv_upgrade(sv, SVt_PVLV);
+ mg_copy((SV*)av, sv, 0, key);
+ LvTYPE(sv) = 't';
+ LvTARG(sv) = sv; /* fake (SV**) */
+ return &(LvTARG(sv));
+ }
+ }
+
if (key < 0) {
key += AvFILL(av) + 1;
if (key < 0)
return 0;
}
- if (SvRMAGICAL(av)) {
- if (mg_find((SV*)av, PERL_MAGIC_tied) ||
- mg_find((SV*)av, PERL_MAGIC_regdata))
- {
- sv = sv_newmortal();
- mg_copy((SV*)av, sv, 0, key);
- PL_av_fetch_sv = sv;
- return &PL_av_fetch_sv;
- }
- }
-
if (key > AvFILLp(av)) {
if (!lval)
return 0;
if (!val)
val = &PL_sv_undef;
+ if (SvRMAGICAL(av)) {
+ MAGIC *tied_magic = mg_find((SV*)av, PERL_MAGIC_tied);
+ if (tied_magic) {
+ /* Handle negative array indices 20020222 MJD */
+ if (key < 0) {
+ unsigned adjust_index = 1;
+ SV **negative_indices_glob =
+ hv_fetch(SvSTASH(SvRV(SvTIED_obj((SV *)av,
+ tied_magic))),
+ NEGATIVE_INDICES_VAR, 16, 0);
+ if (negative_indices_glob
+ && SvTRUE(GvSV(*negative_indices_glob)))
+ adjust_index = 0;
+ if (adjust_index) {
+ key += AvFILL(av) + 1;
+ if (key < 0)
+ return 0;
+ }
+ }
+ if (val != &PL_sv_undef) {
+ mg_copy((SV*)av, val, 0, key);
+ }
+ return 0;
+ }
+ }
+
+
if (key < 0) {
key += AvFILL(av) + 1;
if (key < 0)
if (SvREADONLY(av) && key >= AvFILL(av))
Perl_croak(aTHX_ PL_no_modify);
- if (SvRMAGICAL(av)) {
- if (mg_find((SV*)av, PERL_MAGIC_tied)) {
- if (val != &PL_sv_undef) {
- mg_copy((SV*)av, val, 0, key);
- }
- return 0;
- }
- }
-
if (!AvREAL(av) && AvREIFY(av))
av_reify(av);
if (key > AvMAX(av))
ary = AvARRAY(av);
key = AvFILLp(av) + 1;
while (key) {
- SvREFCNT_dec(ary[--key]);
+ SV * sv = ary[--key];
+ /* undef the slot before freeing the value, because a
+ * destructor might try to modify this arrray */
ary[key] = &PL_sv_undef;
+ SvREFCNT_dec(sv);
}
}
if ((key = AvARRAY(av) - AvALLOC(av))) {
return Nullsv;
if (SvREADONLY(av))
Perl_croak(aTHX_ PL_no_modify);
+
+ if (SvRMAGICAL(av)) {
+ MAGIC *tied_magic = mg_find((SV*)av, PERL_MAGIC_tied);
+ SV **svp;
+ if ((tied_magic || mg_find((SV*)av, PERL_MAGIC_regdata))) {
+ /* Handle negative array indices 20020222 MJD */
+ if (key < 0) {
+ unsigned adjust_index = 1;
+ if (tied_magic) {
+ SV **negative_indices_glob =
+ hv_fetch(SvSTASH(SvRV(SvTIED_obj((SV *)av,
+ tied_magic))),
+ NEGATIVE_INDICES_VAR, 16, 0);
+ if (negative_indices_glob
+ && SvTRUE(GvSV(*negative_indices_glob)))
+ adjust_index = 0;
+ }
+ if (adjust_index) {
+ key += AvFILL(av) + 1;
+ if (key < 0)
+ return Nullsv;
+ }
+ }
+ svp = av_fetch(av, key, TRUE);
+ if (svp) {
+ sv = *svp;
+ mg_clear(sv);
+ if (mg_find(sv, PERL_MAGIC_tiedelem)) {
+ sv_unmagic(sv, PERL_MAGIC_tiedelem); /* No longer an element */
+ return sv;
+ }
+ return Nullsv;
+ }
+ }
+ }
+
if (key < 0) {
key += AvFILL(av) + 1;
if (key < 0)
return Nullsv;
}
- if (SvRMAGICAL(av)) {
- SV **svp;
- if ((mg_find((SV*)av, PERL_MAGIC_tied) ||
- mg_find((SV*)av, PERL_MAGIC_regdata))
- && (svp = av_fetch(av, key, TRUE)))
- {
- sv = *svp;
- mg_clear(sv);
- if (mg_find(sv, PERL_MAGIC_tiedelem)) {
- sv_unmagic(sv, PERL_MAGIC_tiedelem); /* No longer an element */
- return sv;
- }
- return Nullsv; /* element cannot be deleted */
- }
- }
+
if (key > AvFILLp(av))
return Nullsv;
else {
{
if (!av)
return FALSE;
+
+
+ if (SvRMAGICAL(av)) {
+ MAGIC *tied_magic = mg_find((SV*)av, PERL_MAGIC_tied);
+ if (tied_magic || mg_find((SV*)av, PERL_MAGIC_regdata)) {
+ SV *sv = sv_newmortal();
+ MAGIC *mg;
+ /* Handle negative array indices 20020222 MJD */
+ if (key < 0) {
+ unsigned adjust_index = 1;
+ if (tied_magic) {
+ SV **negative_indices_glob =
+ hv_fetch(SvSTASH(SvRV(SvTIED_obj((SV *)av,
+ tied_magic))),
+ NEGATIVE_INDICES_VAR, 16, 0);
+ if (negative_indices_glob
+ && SvTRUE(GvSV(*negative_indices_glob)))
+ adjust_index = 0;
+ }
+ if (adjust_index) {
+ key += AvFILL(av) + 1;
+ if (key < 0)
+ return FALSE;
+ }
+ }
+
+ mg_copy((SV*)av, sv, 0, key);
+ mg = mg_find(sv, PERL_MAGIC_tiedelem);
+ if (mg) {
+ magic_existspack(sv, mg);
+ return (bool)SvTRUE(sv);
+ }
+
+ }
+ }
+
if (key < 0) {
key += AvFILL(av) + 1;
if (key < 0)
return FALSE;
}
- if (SvRMAGICAL(av)) {
- if (mg_find((SV*)av, PERL_MAGIC_tied) ||
- mg_find((SV*)av, PERL_MAGIC_regdata))
- {
- SV *sv = sv_newmortal();
- MAGIC *mg;
- mg_copy((SV*)av, sv, 0, key);
- mg = mg_find(sv, PERL_MAGIC_tiedelem);
- if (mg) {
- magic_existspack(sv, mg);
- return (bool)SvTRUE(sv);
- }
- }
- }
if (key <= AvFILLp(av) && AvARRAY(av)[key] != &PL_sv_undef
&& AvARRAY(av)[key])
{