X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=csum-file.h;h=3ad1a992a758fc9339baa2cecc17ac14af359f1b;hb=f8ab6b732f0a2cead5089aea2ce0c3c3aa97cafe;hp=776cfb152af2b6c4fb6c190d875b4fb2f9162c9a;hpb=80bd6f3064a6009cd18a4dab9ce6d29681cec4af;p=git.git

diff --git a/csum-file.h b/csum-file.h
index 776cfb15..3ad1a992 100644
--- a/csum-file.h
+++ b/csum-file.h
@@ -11,7 +11,7 @@ struct sha1file {
 };
 
 extern struct sha1file *sha1fd(int fd, const char *name);
-extern struct sha1file *sha1create(const char *fmt, ...);
+extern struct sha1file *sha1create(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
 extern int sha1close(struct sha1file *, unsigned char *, int);
 extern int sha1write(struct sha1file *, void *, unsigned int);
 extern int sha1write_compressed(struct sha1file *, void *, unsigned int);