From: Rémi Denis-Courmont <rdenis@simphalempin.com>
Date: Sat, 17 Jan 2009 12:05:28 +0000 (+0200)
Subject: Assert proper alignment of the atomic reference counter
X-Git-Tag: 1.0.0-pre1~1303
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=2a6fb859cc42d3af9c237da964db22609b784038;p=vlc

Assert proper alignment of the atomic reference counter
---

diff --git a/src/libvlc.c b/src/libvlc.c
index c1212446fd..c74a681654 100644
--- a/src/libvlc.c
+++ b/src/libvlc.c
@@ -146,6 +146,7 @@ void *vlc_hold (gc_object_t * p_gc)
 {
     uintptr_t refs;
     assert( p_gc );
+    assert ((((uintptr_t)&refs) & (sizeof (void *) - 1)) == 0); /* alignment */
 
 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
     refs = __sync_add_and_fetch (&p_gc->refs, 1);
@@ -173,6 +174,7 @@ void vlc_release (gc_object_t *p_gc)
     unsigned refs;
 
     assert( p_gc );
+    assert ((((uintptr_t)&refs) & (sizeof (void *) - 1)) == 0); /* alignment */
 
 #if defined (__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4)
     refs = __sync_sub_and_fetch (&p_gc->refs, 1);