Function load_commit_graph_one_fd_st

commit-graph.c:256–280

}

struct commit_graph *load_commit_graph_one_fd_st(struct odb_source *source,
						 int fd, struct stat *st)
{
	void *graph_map;
	size_t graph_size;
	struct commit_graph *ret;

	graph_size = xsize_t(st->st_size);

	if (graph_size < graph_min_size(source->odb->repo->hash_algo)) {
		close(fd);
		error(_("commit-graph file is too small"));
		return NULL;
	}
	graph_map = xmmap(NULL, graph_size, PROT_READ, MAP_PRIVATE, fd, 0);
	close(fd);

	ret = parse_commit_graph(source->odb->repo, graph_map, graph_size);
	if (ret)
		ret->odb_source = source;
	else
		munmap(graph_map, graph_size);

	return ret;
}

static int graph_read_oid_fanout(const unsigned char *chunk_start,
				 size_t chunk_size, void *data)