Function param_time

lightningd/invoice.c:1030–1077

Parse time with optional suffix, return seconds */

/* Parse time with optional suffix, return seconds */
static struct command_result *param_time(struct command *cmd, const char *name,
					 const char *buffer,
					 const jsmntok_t *tok,
					 uint64_t **secs)
{
	/* We need to manipulate this, so make copy */
	jsmntok_t timetok = *tok;
	u64 mul;
	char s;
	struct {
		char suffix;
		u64 mul;
	} suffixes[] = {
		{ 's', 1 },
		{ 'm', 60 },
		{ 'h', 60*60 },
		{ 'd', 24*60*60 },
		{ 'w', 7*24*60*60 } };

	if (!deprecated_apis)
		return param_u64(cmd, name, buffer, tok, secs);

	mul = 1;
	if (timetok.end == timetok.start)
		s = '\0';
	else
		s = buffer[timetok.end - 1];
	for (size_t i = 0; i < ARRAY_SIZE(suffixes); i++) {
		if (s == suffixes[i].suffix) {
			mul = suffixes[i].mul;
			timetok.end--;
			break;
		}
	}

	*secs = tal(cmd, uint64_t);
	if (json_to_u64(buffer, &timetok, *secs)) {
		if (mul_overflows_u64(**secs, mul)) {
			return command_fail_badparam(cmd, name, buffer, tok,
						     "value too large");
		}
		**secs *= mul;
		return NULL;
	}

	return command_fail_badparam(cmd, name, buffer, tok,
				     "should be a number");
}

static struct command_result *param_chanhints(struct command *cmd,
					      const char *name,