Function normalize_ceiling_entry

t/helper/test-path-utils.c:20–32

* A "string_list_each_func_t" function that normalizes an entry from * GIT_CEILING_DIRECTORIES. If the path is unusable for some reason, * die with an explanation. */

 * die with an explanation.
 */
static int normalize_ceiling_entry(struct string_list_item *item,
				   void *data UNUSED)
{
	char *ceil = item->string;

	if (!*ceil)
		die("Empty path is not supported");
	if (!is_absolute_path(ceil))
		die("Path \"%s\" is not absolute", ceil);
	if (normalize_path_copy(ceil, ceil) < 0)
		die("Path \"%s\" could not be normalized", ceil);
	return 1;
}

static void normalize_argv_string(const char **var, const char *input)
{