From 5157f7c1c34c8fb5ce3080b2fcdfe25d96551c44 Mon Sep 17 00:00:00 2001
From: Josh Coalson <jcoalson@users.sourceforce.net>
Date: Wed, 16 May 2001 19:28:12 +0000
Subject: [PATCH] fix bug where gcc gets shifting wrong

---
 src/libFLAC/bitbuffer.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/libFLAC/bitbuffer.c b/src/libFLAC/bitbuffer.c
index dff03ca9..6ec34c93 100644
--- a/src/libFLAC/bitbuffer.c
+++ b/src/libFLAC/bitbuffer.c
@@ -277,7 +277,8 @@ bool FLAC__bitbuffer_write_raw_uint32(FLAC__BitBuffer *bb, uint32 val, unsigned
 		return true;
 	if(!bitbuffer_ensure_size_(bb, bits))
 		return false;
-	val &= (~(0xffffffffu << bits)); /* zero-out unused bits */
+	if(bits < 32) /* @@@ gcc seems to require this because the following line causes incorrect results when bits==32; investigate */
+		val &= (~(0xffffffff << bits)); /* zero-out unused bits */
 	bb->total_bits += bits;
 	while(bits > 0) {
 		n = 8 - bb->bits;