[FFmpeg-cvslog] Fix apparently exploitable race condition.

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Fri Mar 25 02:24:32 2011 +0100| [48ee302e0fa84fe93855f81716cd2e27a8de9de7] | 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=48ee302e0fa84fe93855f81716cd2e27a8de9de7
---

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

diff --git a/libavutil/log.c b/libavutil/log.c
index b3c9358..abf939d 100644
--- a/libavutil/log.c
+++ b/libavutil/log.c
@@ -94,7 +94,8 @@ 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 int is_atty;
     AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
     if(level>av_log_level)