is_directory(): a generic helper function

diff --git a/cache.h b/cache.h
index de8c2b6266ee96d0958cb2c1430b2b2da99f1e86..ce1f63090dd86b12898fc4083444d5a38ca0cb60 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -533,6 +533,7 @@ static inline int is_absolute_path(const char *path)
 {
        return path[0] == '/' || has_dos_drive_prefix(path);
 }
+int is_directory(const char *);
 const char *make_absolute_path(const char *path);
 const char *make_nonrelative_path(const char *path);
 const char *make_relative_path(const char *abs, const char *base);