wrapper: move is_empty_file() and rename it as is_empty_or_missing_file()

diff --git a/cache.h b/cache.h
index ca36b44ee0b5851f837616c322a201ac420a90d2..9ff7e56b74d99b3c7dbd5f05b43be01af4543485 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -1788,4 +1788,7 @@ void safe_create_dir(const char *dir, int share);
  */
 extern int print_sha1_ellipsis(void);
 
+/* Return 1 if the file is empty or does not exists, 0 otherwise. */
+extern int is_empty_or_missing_file(const char *filename);
+
 #endif /* CACHE_H */