diff options
Diffstat (limited to 'gc.c')
-rw-r--r-- | gc.c | 7 |
1 files changed, 7 insertions, 0 deletions
@@ -3529,7 +3529,14 @@ vm_xrealloc(rb_objspace_t *objspace, void *ptr, size_t size) if ((ssize_t)size < 0) { negative_size_allocation_error("negative re-allocation size"); } + if (!ptr) return vm_xmalloc(objspace, size); + + /* + * The behavior of realloc(ptr, 0) is implementation defined. + * Therefore we don't use realloc(ptr, 0) for portability reason. + * see http://www.open-std.org/jtc1/sc22/wg14/www/docs/dr_400.htm + */ if (size == 0) { vm_xfree(objspace, ptr); return 0; |