From b83d806b0367198453dc0e32e1f9e4aa3548a31d Mon Sep 17 00:00:00 2001
From: Joel Rosdahl <joel@rosdahl.net>
Date: Tue, 1 Jun 2010 21:04:05 +0200
Subject: [PATCH] Don't crash on unknown extensions

---
 ccache.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/ccache.c b/ccache.c
index cc5ba1095..31fa59e14 100644
--- a/ccache.c
+++ b/ccache.c
@@ -523,6 +523,9 @@ static const char *preprocessed_language(const char *language, int *direct_i)
 {
 	int i;
 
+	if (!language) {
+		return NULL;
+	}
 	if (direct_i) {
 		*direct_i = 0;
 	}
-- 
2.47.3