From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 30 Sep 2010 01:51:56 +0000 (-0400)
Subject: enhance bitfield copy
X-Git-Tag: v0.1~231
X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=commitdiff_plain;h=3c1bd98ad7e7236d2a8f7c6d1c00f94ba73beb23;ds=sidebyside

enhance bitfield copy

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/types/bitfield.c b/types/bitfield.c
index dc0e4743..e9a9f696 100644
--- a/types/bitfield.c
+++ b/types/bitfield.c
@@ -41,8 +41,12 @@ size_t bitfield_copy(unsigned char *dest, const struct format *fdest,
 
 	if (!(int_class->p.alignment % CHAR_BIT)
 	    && !(int_class->len % CHAR_BIT)
-	    && !(bitfield_class->start_offset))
+	    && !(bitfield_class->start_offset % CHAR_BIT)) {
+		size_t offset = bitfield_class->start_offset / CHAR_BIT;
+		dest += offset;
+		src += offset;
 		return integer_copy(dest, fdest, src, fsrc, type_class);
+	}
 
 	if (!int_class->signedness) {
 		uint64_t v;