Function utf8_check

common/utils.c:173–189

Check for valid UTF-8 */

/* Check for valid UTF-8 */
bool utf8_check(const void *vbuf, size_t buflen)
{
	const u8 *buf = vbuf;
	struct utf8_state utf8_state = UTF8_STATE_INIT;
	bool need_more = false;

	for (size_t i = 0; i < buflen; i++) {
		if (!utf8_decode(&utf8_state, buf[i])) {
			need_more = true;
			continue;
		}
		need_more = false;
		if (errno != 0)
			return false;
	}
	return !need_more;
}

char *utf8_str(const tal_t *ctx, const u8 *buf TAKES, size_t buflen)
{