compile_time_assert

4f91e072 · Sergei Golubchik · 89ad11ae · 4f91e072
Commit 4f91e072 authored Nov 10, 2008 by Sergei Golubchik
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mysys/waiting_threads.c mysys/waiting_threads.c +2 -0

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--- a/mysys/waiting_threads.c
+++ b/mysys/waiting_threads.c
@@ -396,6 +396,8 @@ void wt_thd_destroy(WT_THD *thd)
 */
 int wt_resource_id_memcmp(void *a, void *b)
 {
+  /* we use the fact that there's no padding in the middle of WT_RESOURCE_ID */
+  compile_time_assert(offsetof(WT_RESOURCE_ID, type) == sizeof(ulonglong));
  return memcmp(a, b, sizeof_WT_RESOURCE_ID);
 }