C4307

odb_pack.c

int git_odb_backend_pack(git_odb_backend **backend_out, const char *objects_dir)
{
	struct pack_backend *backend;
	char path[GIT_PATH_MAX];

	backend = git__calloc(1, sizeof(struct pack_backend));
	if (backend == NULL)
		return GIT_ENOMEM;

	if (git_vector_init(&backend->packs, 8, packfile_sort__cb) < GIT_SUCCESS) {
		free(backend);
		return GIT_ENOMEM;
	}

	backend->window_size = DEFAULT_WINDOW_SIZE;
	backend->mapped_limit = DEFAULT_MAPPED_LIMIT;  // C4307: 'operator' : integral constant overflow

	git_path_join(path, objects_dir, "pack");
	if (git_futils_isdir(path) == GIT_SUCCESS) {
		backend->pack_folder = git__strdup(path);
		backend->pack_folder_mtime = 0;

		if (backend->pack_folder == NULL) {
			free(backend);
			return GIT_ENOMEM;
		}
	}

	backend->parent.read = &pack_backend__read;
	backend->parent.read_prefix = &pack_backend__read_prefix;
	backend->parent.read_header = NULL;
	backend->parent.exists = &pack_backend__exists;
	backend->parent.free = &pack_backend__free;

	*backend_out = (git_odb_backend *)backend;
	return GIT_SUCCESS;
}