From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 16 Jul 2008 02:10:21 +0000 (+0000)
Subject: The funny memcpyin svq3 generally has src & dst overlapping, so it
X-Git-Tag: v0.5~3654
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=38844c0b42c31d1b248ae90c385fea6fd85c026b;p=coroid%2Flibav_saccubus.git

The funny memcpyin svq3 generally has src & dst overlapping, so it
should at least be a memmove().

Originally committed as revision 14254 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavcodec/svq3.c b/libavcodec/svq3.c
index 67fa3172b..a5868e1ce 100644
--- a/libavcodec/svq3.c
+++ b/libavcodec/svq3.c
@@ -704,7 +704,7 @@ static int svq3_decode_slice_header (H264Context *h) {
     skip_bits(&s->gb, 8);
 
     if (length > 0) {
-      memcpy ((uint8_t *) &s->gb.buffer[get_bits_count(&s->gb) >> 3],
+      memmove ((uint8_t *) &s->gb.buffer[get_bits_count(&s->gb) >> 3],
              &s->gb.buffer[s->gb.size_in_bits >> 3], (length - 1));
     }
   }