builtin/mktree.c: use ALLOC_GROW() in append_to_tree()

Helped-by: He Sun <sunheehnus@gmail.com>
Signed-off-by: Dmitry S. Dolzhenko <dmitrys.dolzhenko@yandex.ru>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/mktree.c b/builtin/mktree.c
index f92ba40..a964d6b 100644 (file)
--- a/builtin/mktree.c
+++ b/builtin/mktree.c
@@ -23,10 +23,7 @@ static void append_to_tree(unsigned mode, unsigned char *sha1, char *path)
        if (strchr(path, '/'))
                die("path %s contains slash", path);
 
-       if (alloc <= used) {
-               alloc = alloc_nr(used);
-               entries = xrealloc(entries, sizeof(*entries) * alloc);
-       }
+       ALLOC_GROW(entries, used + 1, alloc);
        ent = entries[used++] = xmalloc(sizeof(**entries) + len + 1);
        ent->mode = mode;
        ent->len = len;