log: Do not assume the TERM variable is always set

11 years ago · 4ede1862dc
parent 42ba1c51d9
commit 4ede1862dc
1 changed files with 1 additions and 1 deletions
--- 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");