/* * integers.h * * defines integer types (or refers to their definitions) * * David A. McGrew * Cisco Systems, Inc. *//* *	 * Copyright (c) 2001-2006, Cisco Systems, Inc. * All rights reserved. *  * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: *  *   Redistributions of source code must retain the above copyright *   notice, this list of conditions and the following disclaimer. *  *   Redistributions in binary form must reproduce the above *   copyright notice, this list of conditions and the following *   disclaimer in the documentation and/or other materials provided *   with the distribution. *  *   Neither the name of the Cisco Systems, Inc. nor the names of its *   contributors may be used to endorse or promote products derived *   from this software without specific prior written permission. *  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * */#ifndef INTEGERS_H#define INTEGERS_H#include "config.h"	/* configuration file, using autoconf          */#ifdef SRTP_KERNEL#include "kernel_compat.h"#else /* SRTP_KERNEL *//* use standard integer definitions, if they're available  */#ifdef HAVE_STDLIB_H# include <stdlib.h>#endif#ifdef HAVE_STDINT_H# include <stdint.h>#endif#ifdef HAVE_INTTYPES_H# include <inttypes.h>#endif#ifdef HAVE_SYS_TYPES_H# include <sys/types.h>#endif#ifdef HAVE_SYS_INT_TYPES_H# include <sys/int_types.h>    /* this exists on Sun OS */#endif#ifdef HAVE_MACHINE_TYPES_H# include <machine/types.h>#endif/* Can we do 64 bit integers? */#ifndef HAVE_UINT64_T# if SIZEOF_UNSIGNED_LONG == 8typedef unsigned long		uint64_t;# elif SIZEOF_UNSIGNED_LONG_LONG == 8typedef unsigned long long	uint64_t;# else#  define NO_64BIT_MATH 1# endif#endif/* Reasonable defaults for 32 bit machines - you may need to * edit these definitions for your own machine. */#ifndef HAVE_UINT8_Ttypedef unsigned char		uint8_t;#endif#ifndef HAVE_UINT16_Ttypedef unsigned short int	uint16_t;#endif#ifndef HAVE_UINT32_Ttypedef unsigned int		uint32_t;#endif#ifdef NO_64BIT_MATHtypedef double uint64_t;/* assert that sizeof(double) == 8 */extern uint64_t make64(uint32_t high, uint32_t low);extern uint32_t high32(uint64_t value);extern uint32_t low32(uint64_t value);#endif#endif /* SRTP_KERNEL *//* These macros are to load and store 32-bit values from un-aligned   addresses.  This is required for processors that do not allow unaligned   loads. */#ifdef ALIGNMENT_32BIT_REQUIRED/* Note that if it's in a variable, you can memcpy it */#ifdef WORDS_BIGENDIAN#define PUT_32(addr,value) \    { \        ((unsigned char *) (addr))[0] = (value >> 24); \        ((unsigned char *) (addr))[1] = (value >> 16) & 0xff; \        ((unsigned char *) (addr))[2] = (value >> 8) & 0xff; \        ((unsigned char *) (addr))[3] = (value)      & 0xff; \    }#define GET_32(addr) ((((unsigned char *) (addr))[0] << 24) |  \                      (((unsigned char *) (addr))[1] << 16) |  \                      (((unsigned char *) (addr))[2] << 8)  |  \                      (((unsigned char *) (addr))[3])) #else#define PUT_32(addr,value) \    { \        ((unsigned char *) (addr))[3] = (value >> 24); \        ((unsigned char *) (addr))[2] = (value >> 16) & 0xff; \        ((unsigned char *) (addr))[1] = (value >> 8) & 0xff; \        ((unsigned char *) (addr))[0] = (value)      & 0xff; \    }#define GET_32(addr) ((((unsigned char *) (addr))[3] << 24) |  \                      (((unsigned char *) (addr))[2] << 16) |  \                      (((unsigned char *) (addr))[1] << 8)  |  \                      (((unsigned char *) (addr))[0])) #endif // WORDS_BIGENDIAN#else#define PUT_32(addr,value) *(((uint32_t *) (addr)) = (value)#define GET_32(addr) (*(((uint32_t *) (addr)))#endif#endif /* INTEGERS_H */