* array.c (sort_1, sort_2): check for reentered and if elements are

accessible.  [ruby-core:16679]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16321 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2008-05-08 00:51:55 +00:00
Родитель 68c67143b2
Коммит 4c2b10e0d6
2 изменённых файлов: 10 добавлений и 5 удалений

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@ -1,6 +1,7 @@
Thu May 8 08:56:31 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
Thu May 8 09:51:52 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* array.c (sort_1, sort_2): check reentered. [ruby-core:16679]
* array.c (sort_1, sort_2): check for reentered and if elements are
accessible. [ruby-core:16679]
Thu May 8 06:43:52 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>

10
array.c
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@ -1442,21 +1442,23 @@ rb_ary_reverse_m(VALUE ary)
return rb_ary_reverse(rb_ary_dup(ary));
}
static void
static VALUE
check_reentered(VALUE *klass)
{
if (*klass) {
rb_raise(rb_eRuntimeError, "sort! reentered");
}
return Qnil;
}
static int
sort_1(const void *ap, const void *bp, void *dummy)
{
VALUE retval = check_reentered(dummy);
VALUE a = *(const VALUE *)ap, b = *(const VALUE *)bp;
VALUE retval = rb_yield_values(2, a, b);
int n;
retval = rb_yield_values(2, a, b);
n = rb_cmpint(retval, a, b);
check_reentered(dummy);
return n;
@ -1465,7 +1467,7 @@ sort_1(const void *ap, const void *bp, void *dummy)
static int
sort_2(const void *ap, const void *bp, void *dummy)
{
VALUE retval;
VALUE retval = check_reentered(dummy);
VALUE a = *(const VALUE *)ap, b = *(const VALUE *)bp;
int n;
@ -1515,6 +1517,8 @@ rb_ary_sort_bang(VALUE ary)
RARRAY(ary)->len = RARRAY(tmp)->len;
RARRAY(ary)->aux.capa = RARRAY(tmp)->aux.capa;
FL_UNSET(ary, ELTS_SHARED);
RARRAY(tmp)->ptr = 0;
RARRAY(tmp)->len = 0;
RBASIC(tmp)->klass = RBASIC(ary)->klass;
}
return ary;