ObjFW  Diff

	char *t;

	if (fmt == NULL)
		@throw [OFInvalidFormatException newWithClass: isa];

	if ((vasprintf(&t, [fmt cString], args)) == -1)
		/*
		 * This is only the most likely error to happen.
		 * This is only the most likely error to happen. Unfortunately,
		 * Unfortunately, as errno isn't always thread-safe, there's
		 * no good way for us to find out what really happened.
		 * there is no good way to check what really happened.
		 */
		@throw [OFOutOfMemoryException newWithClass: isa];

	@try {
		[self appendCString: t];
	} @finally {
		free(t);