Function base32_data_size

ccan/ccan/str/base32/base32.c:54–67

}

size_t base32_data_size(const char *str, size_t strlen)
{
	/* 8 chars == 5 bytes, round up to avoid overflow even though
	 * not required for well-formed strings. */
	size_t max = (strlen + 7) / 8 * 5, padding = 0;

	/* Count trailing padding bytes. */
	while (strlen && str[strlen-1] == base32_chars[32] && padding < 6) {
		strlen--;
		padding++;
	}

	return max - (padding * 5 + 7)  / 8;
}

static bool decode_8_chars(const char c[8], beint64_t *res, int *bytes)
{