1386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari/* 2386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * integers.h 3386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * 4386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * defines integer types (or refers to their definitions) 5386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * 6386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * David A. McGrew 7386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * Cisco Systems, Inc. 8386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari */ 9386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 10386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari/* 11386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * 12386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * Copyright (c) 2001-2006, Cisco Systems, Inc. 13386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * All rights reserved. 14386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * 15386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * Redistribution and use in source and binary forms, with or without 16386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * modification, are permitted provided that the following conditions 17386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * are met: 18386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * 19386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * Redistributions of source code must retain the above copyright 20386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * notice, this list of conditions and the following disclaimer. 21386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * 22386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * Redistributions in binary form must reproduce the above 23386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * copyright notice, this list of conditions and the following 24386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * disclaimer in the documentation and/or other materials provided 25386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * with the distribution. 26386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * 27386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * Neither the name of the Cisco Systems, Inc. nor the names of its 28386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * contributors may be used to endorse or promote products derived 29386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * from this software without specific prior written permission. 30386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * 31386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 34386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 35386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 36386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 37386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 38386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 40386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 41386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 42386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * OF THE POSSIBILITY OF SUCH DAMAGE. 43386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * 44386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari */ 45386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 46386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 47386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifndef INTEGERS_H 48386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#define INTEGERS_H 49386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 50386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#include "config.h" /* configuration file, using autoconf */ 51386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 52386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifdef SRTP_KERNEL 53386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 54386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#include "kernel_compat.h" 55386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 56386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#else /* SRTP_KERNEL */ 57386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 58386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari/* use standard integer definitions, if they're available */ 59386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifdef HAVE_STDLIB_H 60386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari# include <stdlib.h> 61386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif 62386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifdef HAVE_STDINT_H 63386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari# include <stdint.h> 64386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif 65386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifdef HAVE_INTTYPES_H 66386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari# include <inttypes.h> 67386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif 68386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifdef HAVE_SYS_TYPES_H 69386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari# include <sys/types.h> 70386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif 71386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifdef HAVE_SYS_INT_TYPES_H 72386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari# include <sys/int_types.h> /* this exists on Sun OS */ 73386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif 74386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifdef HAVE_MACHINE_TYPES_H 75386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari# include <machine/types.h> 76386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif 77386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 78386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari/* Can we do 64 bit integers? */ 79386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifndef HAVE_UINT64_T 80386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari# if SIZEOF_UNSIGNED_LONG == 8 81386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagaritypedef unsigned long uint64_t; 82386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari# elif SIZEOF_UNSIGNED_LONG_LONG == 8 83386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagaritypedef unsigned long long uint64_t; 84386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari# else 85386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari# define NO_64BIT_MATH 1 86386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari# endif 87386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif 88386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 89386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari/* Reasonable defaults for 32 bit machines - you may need to 90386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari * edit these definitions for your own machine. */ 91386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifndef HAVE_UINT8_T 92386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagaritypedef unsigned char uint8_t; 93386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif 94386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifndef HAVE_UINT16_T 95386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagaritypedef unsigned short int uint16_t; 96386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif 97386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifndef HAVE_UINT32_T 98386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagaritypedef unsigned int uint32_t; 99386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif 100386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 101386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifdef NO_64BIT_MATH 102386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagaritypedef double uint64_t; 103386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari/* assert that sizeof(double) == 8 */ 104386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagariextern uint64_t make64(uint32_t high, uint32_t low); 105386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagariextern uint32_t high32(uint64_t value); 106386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagariextern uint32_t low32(uint64_t value); 107386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif 108386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 109386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif /* SRTP_KERNEL */ 110386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 111386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari/* These macros are to load and store 32-bit values from un-aligned 112386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari addresses. This is required for processors that do not allow unaligned 113386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari loads. */ 114386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifdef ALIGNMENT_32BIT_REQUIRED 115386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari/* Note that if it's in a variable, you can memcpy it */ 116386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#ifdef WORDS_BIGENDIAN 117386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#define PUT_32(addr,value) \ 118386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari { \ 119386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari ((unsigned char *) (addr))[0] = (value >> 24); \ 120386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari ((unsigned char *) (addr))[1] = (value >> 16) & 0xff; \ 121386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari ((unsigned char *) (addr))[2] = (value >> 8) & 0xff; \ 122386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari ((unsigned char *) (addr))[3] = (value) & 0xff; \ 123386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari } 124386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#define GET_32(addr) ((((unsigned char *) (addr))[0] << 24) | \ 125386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari (((unsigned char *) (addr))[1] << 16) | \ 126386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari (((unsigned char *) (addr))[2] << 8) | \ 127386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari (((unsigned char *) (addr))[3])) 128386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#else 129386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#define PUT_32(addr,value) \ 130386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari { \ 131386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari ((unsigned char *) (addr))[3] = (value >> 24); \ 132386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari ((unsigned char *) (addr))[2] = (value >> 16) & 0xff; \ 133386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari ((unsigned char *) (addr))[1] = (value >> 8) & 0xff; \ 134386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari ((unsigned char *) (addr))[0] = (value) & 0xff; \ 135386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari } 136386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#define GET_32(addr) ((((unsigned char *) (addr))[3] << 24) | \ 137386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari (((unsigned char *) (addr))[2] << 16) | \ 138386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari (((unsigned char *) (addr))[1] << 8) | \ 139386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari (((unsigned char *) (addr))[0])) 140386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif // WORDS_BIGENDIAN 141386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#else 142386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#define PUT_32(addr,value) *(((uint32_t *) (addr)) = (value) 143386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#define GET_32(addr) (*(((uint32_t *) (addr))) 144386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif 145386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari 146386ce4d9144fc190797f4e43a31aeaf76ca2e373Param Reddappagari#endif /* INTEGERS_H */ 147