t0021/rot13-filter: add packet_initialize()

diff --git a/packfile.c b/packfile.c
index eab7542487a194ecd25708f906e66c40e1bed336..4a5fe7ab1883843a389ce74bf1c7bd89890d8e51 100644 (file)
--- a/packfile.c
+++ b/packfile.c
@@ -1743,7 +1743,7 @@ off_t find_pack_entry_one(const unsigned char *sha1,
                       sha1[0], sha1[1], sha1[2], lo, hi, p->num_objects);
 
        while (lo < hi) {
-               unsigned mi = (lo + hi) / 2;
+               unsigned mi = lo + (hi - lo) / 2;
                int cmp = hashcmp(index + mi * stride, sha1);
 
                if (debug_lookup)