1 files changed, 1 insertions, 0 deletions

diff --git a/cgit.h b/cgit.h
index 4090cd4..8f84281 100644
--- a/cgit.h
+++ b/cgit.h
@@ -294,4 +294,5 @@ extern void cgit_diff_tree(const unsigned char *old_sha1,
 extern void cgit_diff_commit(struct commit *commit, filepair_fn fn);
 
+__attribute__((format (printf,1,2)))
 extern char *fmt(const char *format,...);