From 9b62e40ecdb92ab7493eac514e1399d791fa6f62 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Carlos=20Mart=C3=ADn=20Nieto?= <carlos@cmartin.tk>
Date: Mon, 7 May 2012 11:28:26 +0200
Subject: [PATCH] clar helper: don't dereference giterr_last() if it's NULL

It can cause segfaults if the call didn't set an error
---
 tests-clar/clar_libgit2.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests-clar/clar_libgit2.h b/tests-clar/clar_libgit2.h
index 63bc703d7..d250494f5 100644
--- a/tests-clar/clar_libgit2.h
+++ b/tests-clar/clar_libgit2.h
@@ -15,7 +15,7 @@
 #define cl_git_pass(expr) do { \
 	giterr_clear(); \
 	if ((expr) != 0) \
-		clar__assert(0, __FILE__, __LINE__, "Function call failed: " #expr, giterr_last()->message, 1); \
+		clar__assert(0, __FILE__, __LINE__, "Function call failed: " #expr, giterr_last() ? giterr_last()->message : NULL, 1); \
 	} while(0)
 
 /**