Add git_snpath: a .git path formatting routine with output buffer

The function's purpose is to replace git_path where the buffer of
formatted path may not be reused by subsequent calls of the function
or will be copied anyway.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/cache.h b/cache.h
index aea13b0822..3d5a08ea81 100644
--- a/cache.h
+++ b/cache.h
@@ -482,6 +482,8 @@ extern int check_repository_format(void);
 
 extern char *mksnpath(char *buf, size_t n, const char *fmt, ...)
 	__attribute__((format (printf, 3, 4)));
+extern char *git_snpath(char *buf, size_t n, const char *fmt, ...)
+	__attribute__((format (printf, 3, 4)));
 
 /* Return a statically allocated filename matching the sha1 signature */
 extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));