grep: handle pre context lines on demand

diff --git a/dir.c b/dir.c
index 0e6b752cd5833bfb970619983b4efa880aaaf134..bbfcb566e63310d38848b0b76076fb051a7446c8 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -396,7 +396,7 @@ static struct dir_entry *dir_add_name(struct dir_struct *dir, const char *pathna
 
 static struct dir_entry *dir_add_ignored(struct dir_struct *dir, const char *pathname, int len)
 {
-       if (cache_name_pos(pathname, len) >= 0)
+       if (!cache_name_is_other(pathname, len))
                return NULL;
 
        ALLOC_GROW(dir->ignored, dir->ignored_nr+1, dir->ignored_alloc);