Git 2.3.4
[gitweb.git] / pack-bitmap.c
index a1f3c0d34f8958c08310aa9fc77e764885b76008..6a818419ca46f8d66adbeb0027da49e6bab1bfa3 100644 (file)
@@ -197,13 +197,24 @@ static struct stored_bitmap *store_bitmap(struct bitmap_index *index,
        return stored;
 }
 
+static inline uint32_t read_be32(const unsigned char *buffer, size_t *pos)
+{
+       uint32_t result = get_be32(buffer + *pos);
+       (*pos) += sizeof(result);
+       return result;
+}
+
+static inline uint8_t read_u8(const unsigned char *buffer, size_t *pos)
+{
+       return buffer[(*pos)++];
+}
+
 static int load_bitmap_entries_v1(struct bitmap_index *index)
 {
        static const size_t MAX_XOR_OFFSET = 160;
 
        uint32_t i;
        struct stored_bitmap **recent_bitmaps;
-       struct bitmap_disk_entry *entry;
 
        recent_bitmaps = xcalloc(MAX_XOR_OFFSET, sizeof(struct stored_bitmap));
 
@@ -214,15 +225,12 @@ static int load_bitmap_entries_v1(struct bitmap_index *index)
                uint32_t commit_idx_pos;
                const unsigned char *sha1;
 
-               entry = (struct bitmap_disk_entry *)(index->map + index->map_pos);
-               index->map_pos += sizeof(struct bitmap_disk_entry);
+               commit_idx_pos = read_be32(index->map, &index->map_pos);
+               xor_offset = read_u8(index->map, &index->map_pos);
+               flags = read_u8(index->map, &index->map_pos);
 
-               commit_idx_pos = ntohl(entry->object_pos);
                sha1 = nth_packed_object_sha1(index->pack, commit_idx_pos);
 
-               xor_offset = (int)entry->xor_offset;
-               flags = (int)entry->flags;
-
                bitmap = read_bitmap_1(index);
                if (!bitmap)
                        return -1;