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-rw-r--r--ChangeLog4
-rw-r--r--gc.c7
2 files changed, 10 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 9dc71166f5e..c4da5ff2fe7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Thu Sep 17 18:34:19 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
+
+ * gc.c (vm_xrealloc): free as like standard free if size is zero.
+
Thu Sep 17 15:41:02 2009 Koichi Sasada <ko1@atdot.net>
* eval_intern.h: use rb_node_newnode() directly.
diff --git a/gc.c b/gc.c
index dc8916b885d..6469e98b58b 100644
--- a/gc.c
+++ b/gc.c
@@ -604,6 +604,8 @@ garbage_collect_with_gvl(rb_objspace_t *objspace)
}
}
+static void vm_xfree(rb_objspace_t *objspace, void *ptr);
+
static void *
vm_xmalloc(rb_objspace_t *objspace, size_t size)
{
@@ -652,7 +654,10 @@ vm_xrealloc(rb_objspace_t *objspace, void *ptr, size_t size)
negative_size_allocation_error("negative re-allocation size");
}
if (!ptr) return ruby_xmalloc(size);
- if (size == 0) size = 1;
+ if (size == 0) {
+ vm_xfree(objspace, ptr);
+ return 0;
+ }
if (ruby_gc_stress && !ruby_disable_gc_stress)
garbage_collect_with_gvl(objspace);