1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/srtp/src/crypto/include/integers.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,155 @@
1.4 +/*
1.5 + * integers.h
1.6 + *
1.7 + * defines integer types (or refers to their definitions)
1.8 + *
1.9 + * David A. McGrew
1.10 + * Cisco Systems, Inc.
1.11 + */
1.12 +
1.13 +/*
1.14 + *
1.15 + * Copyright (c) 2001-2006, Cisco Systems, Inc.
1.16 + * All rights reserved.
1.17 + *
1.18 + * Redistribution and use in source and binary forms, with or without
1.19 + * modification, are permitted provided that the following conditions
1.20 + * are met:
1.21 + *
1.22 + * Redistributions of source code must retain the above copyright
1.23 + * notice, this list of conditions and the following disclaimer.
1.24 + *
1.25 + * Redistributions in binary form must reproduce the above
1.26 + * copyright notice, this list of conditions and the following
1.27 + * disclaimer in the documentation and/or other materials provided
1.28 + * with the distribution.
1.29 + *
1.30 + * Neither the name of the Cisco Systems, Inc. nor the names of its
1.31 + * contributors may be used to endorse or promote products derived
1.32 + * from this software without specific prior written permission.
1.33 + *
1.34 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.35 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.36 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
1.37 + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
1.38 + * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
1.39 + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
1.40 + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
1.41 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.42 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
1.43 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.44 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
1.45 + * OF THE POSSIBILITY OF SUCH DAMAGE.
1.46 + *
1.47 + */
1.48 +
1.49 +
1.50 +#ifndef INTEGERS_H
1.51 +#define INTEGERS_H
1.52 +
1.53 +#include "config.h" /* configuration file, using autoconf */
1.54 +
1.55 +#ifdef SRTP_KERNEL
1.56 +
1.57 +#include "kernel_compat.h"
1.58 +
1.59 +#else /* SRTP_KERNEL */
1.60 +
1.61 +/* use standard integer definitions, if they're available */
1.62 +#ifdef HAVE_STDLIB_H
1.63 +# include <stdlib.h>
1.64 +#endif
1.65 +#ifdef INTEGER_TYPES_H
1.66 +/* Let configure tell us where to get the equivalent to <stdint.h> */
1.67 +#include INTEGER_TYPES_H
1.68 +
1.69 +#if !defined(HAVE_UINT64_T)
1.70 +#define NO_64BIT_MATH 1
1.71 +#endif
1.72 +#else
1.73 +#ifdef HAVE_STDINT_H
1.74 +# include <stdint.h>
1.75 +#endif
1.76 +#endif /* INTEGER_TYPES_H */
1.77 +#ifdef HAVE_INTTYPES_H
1.78 +# include <inttypes.h>
1.79 +#endif
1.80 +#ifdef HAVE_SYS_TYPES_H
1.81 +# include <sys/types.h>
1.82 +#endif
1.83 +#ifdef HAVE_SYS_INT_TYPES_H
1.84 +# include <sys/int_types.h> /* this exists on Sun OS */
1.85 +#endif
1.86 +#ifdef HAVE_MACHINE_TYPES_H
1.87 +# include <machine/types.h>
1.88 +#endif
1.89 +
1.90 +/* Can we do 64 bit integers? */
1.91 +#if !defined(HAVE_UINT64_T)
1.92 +# if SIZEOF_UNSIGNED_LONG == 8
1.93 +typedef unsigned long uint64_t;
1.94 +# elif SIZEOF_UNSIGNED_LONG_LONG == 8
1.95 +typedef unsigned long long uint64_t;
1.96 +# else
1.97 +# define NO_64BIT_MATH 1
1.98 +# endif
1.99 +#endif
1.100 +
1.101 +/* Reasonable defaults for 32 bit machines - you may need to
1.102 + * edit these definitions for your own machine. */
1.103 +#ifndef HAVE_UINT8_T
1.104 +typedef unsigned char uint8_t;
1.105 +#endif
1.106 +#ifndef HAVE_UINT16_T
1.107 +typedef unsigned short int uint16_t;
1.108 +#endif
1.109 +#ifndef HAVE_UINT32_T
1.110 +typedef unsigned int uint32_t;
1.111 +#endif
1.112 +
1.113 +#ifdef NO_64BIT_MATH
1.114 +typedef double uint64_t;
1.115 +/* assert that sizeof(double) == 8 */
1.116 +extern uint64_t make64(uint32_t high, uint32_t low);
1.117 +extern uint32_t high32(uint64_t value);
1.118 +extern uint32_t low32(uint64_t value);
1.119 +#endif
1.120 +
1.121 +#endif /* SRTP_KERNEL */
1.122 +
1.123 +/* These macros are to load and store 32-bit values from un-aligned
1.124 + addresses. This is required for processors that do not allow unaligned
1.125 + loads. */
1.126 +#ifdef ALIGNMENT_32BIT_REQUIRED
1.127 +/* Note that if it's in a variable, you can memcpy it */
1.128 +#ifdef WORDS_BIGENDIAN
1.129 +#define PUT_32(addr,value) \
1.130 + { \
1.131 + ((unsigned char *) (addr))[0] = (value >> 24); \
1.132 + ((unsigned char *) (addr))[1] = (value >> 16) & 0xff; \
1.133 + ((unsigned char *) (addr))[2] = (value >> 8) & 0xff; \
1.134 + ((unsigned char *) (addr))[3] = (value) & 0xff; \
1.135 + }
1.136 +#define GET_32(addr) ((((unsigned char *) (addr))[0] << 24) | \
1.137 + (((unsigned char *) (addr))[1] << 16) | \
1.138 + (((unsigned char *) (addr))[2] << 8) | \
1.139 + (((unsigned char *) (addr))[3]))
1.140 +#else
1.141 +#define PUT_32(addr,value) \
1.142 + { \
1.143 + ((unsigned char *) (addr))[3] = (value >> 24); \
1.144 + ((unsigned char *) (addr))[2] = (value >> 16) & 0xff; \
1.145 + ((unsigned char *) (addr))[1] = (value >> 8) & 0xff; \
1.146 + ((unsigned char *) (addr))[0] = (value) & 0xff; \
1.147 + }
1.148 +#define GET_32(addr) ((((unsigned char *) (addr))[3] << 24) | \
1.149 + (((unsigned char *) (addr))[2] << 16) | \
1.150 + (((unsigned char *) (addr))[1] << 8) | \
1.151 + (((unsigned char *) (addr))[0]))
1.152 +#endif // WORDS_BIGENDIAN
1.153 +#else
1.154 +#define PUT_32(addr,value) *(((uint32_t *) (addr)) = (value)
1.155 +#define GET_32(addr) (*(((uint32_t *) (addr)))
1.156 +#endif
1.157 +
1.158 +#endif /* INTEGERS_H */
