[FFmpeg-cvslog] log: Do not assume the TERM variable is always set

[Luca Barbato]

ffmpeg | branch: master | Luca Barbato <lu_zero at gentoo.org> | Thu Apr  3 14:29:34 2014 +0000| [4ede1862dc62f4cac030a171099d8ec8a9b079ab] | committer: Vittorio Giovara

log: Do not assume the TERM variable is always set

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4ede1862dc62f4cac030a171099d8ec8a9b079ab
---

 libavutil/log.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavutil/log.c b/libavutil/log.c
index 6522ef3..af86eff 100644
--- a/libavutil/log.c
+++ b/libavutil/log.c
@@ -74,7 +74,7 @@ static void check_color_terminal(void)
     char *term = getenv("TERM");
     use_color = !getenv("NO_COLOR") && !getenv("AV_LOG_FORCE_NOCOLOR") &&
                 (getenv("TERM") && isatty(2) || getenv("AV_LOG_FORCE_COLOR"));
-    use_color += !!strstr(term, "256color") ;
+    use_color += term && strstr(term, "256color");
 #else
     use_color = getenv("AV_LOG_FORCE_COLOR") && !getenv("NO_COLOR") &&
                !getenv("AV_LOG_FORCE_NOCOLOR");