real_path: clarify return value ownership

Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/abspath.c b/abspath.c
index 708aff8d42c562112fe4076635af903c7f41fbaa..98579853299427ff906434fe56288a73b9d19b21 100644 (file)
--- a/abspath.c
+++ b/abspath.c
@@ -202,6 +202,10 @@ char *strbuf_realpath(struct strbuf *resolved, const char *path,
        return retval;
 }
 
+/*
+ * Resolve `path` into an absolute, cleaned-up path. The return value
+ * comes from a shared buffer.
+ */
 const char *real_path(const char *path)
 {
        static struct strbuf realpath = STRBUF_INIT;