[cogl] cogl_is_*(): Don't dereference an invalid handle; just return FALSE

An invalid handle is implicitly not of any type.
2009-04-04 19:02:01 +01:00 · 2009-04-04 19:02:01 +01:00 · 6a3588101b
commit 6a3588101b
parent ed272213f0
1 changed files with 3 additions and 0 deletions
--- a/common/cogl-handle.h
+++ b/common/cogl-handle.h
@ -125,6 +125,9 @@ typedef struct _CoglHandleObject
  {                                                             \
    CoglHandleObject *obj = (CoglHandleObject *)handle;         \
                                                                \
+    if (handle == COGL_INVALID_HANDLE)                          \
+      return FALSE;                                             \
+                                                                \
    return (obj->klass->type ==                                 \
            _cogl_##type_name##_get_type ());                   \
  }								\