[FFmpeg-cvslog] Fix apparently exploitable race condition.

[Michael Niedermayer]

ffmpeg | branch: release/0.6 | Michael Niedermayer <michaelni at gmx.at> | Fri Mar 25 02:24:32 2011 +0100| [36f3244ec86f27950ef3ca6ac238442c49eaaa75] | committer: Michael Niedermayer

Fix apparently exploitable race condition.
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=36f3244ec86f27950ef3ca6ac238442c49eaaa75
---

 libavutil/log.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/libavutil/log.c b/libavutil/log.c
index 9a8b66e..b08072c 100644
--- a/libavutil/log.c
+++ b/libavutil/log.c
@@ -59,7 +59,8 @@ void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
 {
     static int print_prefix=1;
     static int count;
-    static char line[1024], prev[1024];
+    static char prev[1024];
+    char line[1024];
     static const uint8_t color[]={0x41,0x41,0x11,0x03,9,9,9};
     AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
     if(level>av_log_level)