real_path: clarify return value ownership

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

Han-Wen Nienhuys committed Sep 26, 2017 at 13:21 UTC d83d846e84d6ba6c7c4221d2681dfde820949362
1 file changed +4
abspath.c
+4
@@ -202,6 +202,10 @@ error_out:
202 return retval;
203 }
204
205 +/*
206 + * Resolve `path` into an absolute, cleaned-up path. The return value
207 + * comes from a shared buffer.
208 + */
209 const char *real_path(const char *path)
210 {
211 static struct strbuf realpath = STRBUF_INIT;