Function byteSwap

lib_acl_cpp/samples/md5/md5_c.cpp:12–21

#ifdef WORDS_BIGENDIAN
void byteSwap(uint32_t * buf, unsigned words)
{
	uint8_t *p = (uint8_t *) buf;

	do {
		*buf++ = (uint32_t) ((unsigned) p[3] << 8 | p[2]) << 16 |
			((unsigned) p[1] << 8 | p[0]);
		p += 4;
	} while (--words);
}
#else
#define byteSwap(buf,words)
#endif