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class.c: check for malloc failures

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* class.c (rb_class_subclass_add): use xmalloc
* class.c (rb_module_add_to_subclasses_list): ditto
* class.c (rb_class_remove_from_super_subclasses): use xfree
* class.c (rb_class_remove_from_module_subclasses): ditto
  [Bug #9616]

xmalloc does OOM checking and helps GC accounting when used
with xfree.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45302 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
normal 2014-03-09 05:22:01 +00:00
parent dfdb8b7372
commit b39eabac5d
2 changed files with 12 additions and 4 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
Sun Mar 9 14:14:49 2014 Eric Wong <e@80x24.org>
* class.c (rb_class_subclass_add): use xmalloc
* class.c (rb_module_add_to_subclasses_list): ditto
* class.c (rb_class_remove_from_super_subclasses): use xfree
* class.c (rb_class_remove_from_module_subclasses): ditto
[Bug #9616]
Sun Mar 9 13:51:16 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* ext/fiddle/function.c (function_call): fix memory leak when an

8
class.c
View file

@ -42,7 +42,7 @@ rb_class_subclass_add(VALUE super, VALUE klass)
rb_subclass_entry_t *entry, *head;
if (super && super != Qundef) {
entry = malloc(sizeof(*entry));
entry = xmalloc(sizeof(*entry));
entry->klass = klass;
entry->next = NULL;
@ -62,7 +62,7 @@ rb_module_add_to_subclasses_list(VALUE module, VALUE iclass)
{
rb_subclass_entry_t *entry, *head;
entry = malloc(sizeof(*entry));
entry = xmalloc(sizeof(*entry));
entry->klass = iclass;
entry->next = NULL;
@ -88,7 +88,7 @@ rb_class_remove_from_super_subclasses(VALUE klass)
if (entry->next) {
RCLASS_EXT(entry->next->klass)->parent_subclasses = RCLASS_EXT(klass)->parent_subclasses;
}
free(entry);
xfree(entry);
}
RCLASS_EXT(klass)->parent_subclasses = NULL;
@ -107,7 +107,7 @@ rb_class_remove_from_module_subclasses(VALUE klass)
RCLASS_EXT(entry->next->klass)->module_subclasses = RCLASS_EXT(klass)->module_subclasses;
}
free(entry);
xfree(entry);
}
RCLASS_EXT(klass)->module_subclasses = NULL;