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* array.c (rb_ary_flatten_bang): clears temporary array.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23367 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2009-05-08 01:07:03 +00:00
parent f6ac12f7be
commit 0d9c4400fc
2 changed files with 19 additions and 2 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Fri May 8 10:07:02 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* array.c (rb_ary_flatten_bang): clears temporary array.
Fri May 8 02:30:14 2009 Akinori MUSHA <knu@iDaemons.org>
* lib/set.rb (SortedSet#add): Do not require each newly added

17
array.c
View file

@ -382,10 +382,18 @@ void
rb_ary_free(VALUE ary)
{
if (ARY_OWNS_HEAP_P(ary)) {
xfree(RARRAY_PTR(ary));
xfree(ARY_HEAP_PTR(ary));
}
}
static inline void
ary_discard(VALUE ary)
{
rb_ary_free(ary);
RBASIC(ary)->flags |= RARRAY_EMBED_FLAG;
RBASIC(ary)->flags &= ~RARRAY_EMBED_LEN_MASK;
}
static VALUE
ary_make_shared(VALUE ary)
{
@ -3341,8 +3349,13 @@ rb_ary_flatten_bang(int argc, VALUE *argv, VALUE ary)
if (level == 0) return Qnil;
result = flatten(ary, level, &mod);
if (mod == 0) return Qnil;
if (mod == 0) {
ary_discard(result);
return Qnil;
}
if (!(mod = ARY_EMBED_P(result))) rb_obj_freeze(result);
rb_ary_replace(ary, result);
if (mod) ARY_SET_EMBED_LEN(result, 0);
return ary;
}