Function memeqzero

ccan/ccan/mem/mem.c:92–109

}

bool memeqzero(const void *data, size_t length)
{
	const unsigned char *p = data;
	size_t len;

	/* Check first 16 bytes manually */
	for (len = 0; len < 16; len++) {
		if (!length)
			return true;
		if (*p)
			return false;
		p++;
		length--;
	}

	/* Now we know that's zero, memcmp with self. */
	return memcmp(data, p, length) == 0;
}

void memtaint(void *data, size_t len)
{