static VmdkExtent *vmdk_add_extent(BlockDriverState *bs, BlockDriverState *file, bool flat, int64_t sectors, int64_t l1_offset, int64_t l1_backup_offset, uint32_t l1_size, int l2_size, unsigned int cluster_sectors) { VmdkExtent *extent; BDRVVmdkState *s = bs->opaque; s->extents = g_realloc(s->extents, (s->num_extents + 1) * sizeof(VmdkExtent)); extent = &s->extents[s->num_extents]; s->num_extents++; memset(extent, 0, sizeof(VmdkExtent)); extent->file = file; extent->flat = flat; extent->sectors = sectors; extent->l1_table_offset = l1_offset; extent->l1_backup_table_offset = l1_backup_offset; extent->l1_size = l1_size; extent->l1_entry_sectors = l2_size * cluster_sectors; extent->l2_size = l2_size; extent->cluster_sectors = cluster_sectors; if (s->num_extents > 1) { extent->end_sector = (*(extent - 1)).end_sector + extent->sectors; } else { extent->end_sector = extent->sectors; } bs->total_sectors = extent->end_sector; return extent; }