crypto_ops.h

/* Copyright (c) 2009, Markus Peloquin <markus@cs.wisc.edu>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED 'AS IS' AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */

#ifndef FLUKS_CRYPTO_OPS_H
#define FLUKS_CRYPTO_OPS_H

#include <features.h>

#ifdef __cplusplus
#	include <cstdint>
#	define FLUKS_INLINE inline
#else
#	include <stdint.h>
#	define FLUKS_INLINE static inline
#endif

/** Rotate left. */
FLUKS_INLINE uint32_t
ROL(uint32_t x, int n) {
	return x << n | x >> (32 - n);
}

/** Rotate right. */
FLUKS_INLINE uint32_t
ROR(uint32_t x, int n) {
	return x << (32 - n) | x >> n;
}

#undef FLUKS_INLINE

#endif