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| 1 /* | |
| 2 * integers.h | |
| 3 * | |
| 4 * defines integer types (or refers to their definitions) | |
| 5 * | |
| 6 * David A. McGrew | |
| 7 * Cisco Systems, Inc. | |
| 8 */ | |
| 9 | |
| 10 /* | |
| 11 * | |
| 12 * Copyright (c) 2001-2006, Cisco Systems, Inc. | |
| 13 * All rights reserved. | |
| 14 * | |
| 15 * Redistribution and use in source and binary forms, with or without | |
| 16 * modification, are permitted provided that the following conditions | |
| 17 * are met: | |
| 18 * | |
| 19 * Redistributions of source code must retain the above copyright | |
| 20 * notice, this list of conditions and the following disclaimer. | |
| 21 * | |
| 22 * Redistributions in binary form must reproduce the above | |
| 23 * copyright notice, this list of conditions and the following | |
| 24 * disclaimer in the documentation and/or other materials provided | |
| 25 * with the distribution. | |
| 26 * | |
| 27 * Neither the name of the Cisco Systems, Inc. nor the names of its | |
| 28 * contributors may be used to endorse or promote products derived | |
| 29 * from this software without specific prior written permission. | |
| 30 * | |
| 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 34 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| 35 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
| 36 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 37 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 38 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 41 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 42 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 43 * | |
| 44 */ | |
| 45 | |
| 46 | |
| 47 #ifndef INTEGERS_H | |
| 48 #define INTEGERS_H | |
| 49 | |
| 50 | |
| 51 #ifdef SRTP_KERNEL | |
| 52 | |
| 53 #include "kernel_compat.h" | |
| 54 | |
| 55 #else /* SRTP_KERNEL */ | |
| 56 | |
| 57 /* use standard integer definitions, if they're available */ | |
| 58 #ifdef HAVE_STDLIB_H | |
| 59 # include <stdlib.h> | |
| 60 #endif | |
| 61 #ifdef HAVE_STDINT_H | |
| 62 # include <stdint.h> | |
| 63 #endif | |
| 64 #ifdef HAVE_INTTYPES_H | |
| 65 # include <inttypes.h> | |
| 66 #endif | |
| 67 #ifdef HAVE_SYS_TYPES_H | |
| 68 # include <sys/types.h> | |
| 69 #endif | |
| 70 #ifdef HAVE_SYS_INT_TYPES_H | |
| 71 # include <sys/int_types.h> /* this exists on Sun OS */ | |
| 72 #endif | |
| 73 #ifdef HAVE_MACHINE_TYPES_H | |
| 74 # include <machine/types.h> | |
| 75 #endif | |
| 76 | |
| 77 /* Can we do 64 bit integers? */ | |
| 78 #if !defined(HAVE_UINT64_T) | |
| 79 # if SIZEOF_UNSIGNED_LONG == 8 | |
| 80 typedef unsigned long uint64_t; | |
| 81 # elif SIZEOF_UNSIGNED_LONG_LONG == 8 | |
| 82 typedef unsigned long long uint64_t; | |
| 83 # else | |
| 84 # define NO_64BIT_MATH 1 | |
| 85 # endif | |
| 86 #endif | |
| 87 | |
| 88 /* Reasonable defaults for 32 bit machines - you may need to | |
| 89 * edit these definitions for your own machine. */ | |
| 90 #ifndef HAVE_UINT8_T | |
| 91 typedef unsigned char uint8_t; | |
| 92 #endif | |
| 93 #ifndef HAVE_UINT16_T | |
| 94 typedef unsigned short int uint16_t; | |
| 95 #endif | |
| 96 #ifndef HAVE_UINT32_T | |
| 97 typedef unsigned int uint32_t; | |
| 98 #endif | |
| 99 | |
| 100 | |
| 101 #if defined(NO_64BIT_MATH) && defined(HAVE_CONFIG_H) | |
| 102 typedef double uint64_t; | |
| 103 /* assert that sizeof(double) == 8 */ | |
| 104 extern uint64_t make64(uint32_t high, uint32_t low); | |
| 105 extern uint32_t high32(uint64_t value); | |
| 106 extern uint32_t low32(uint64_t value); | |
| 107 #endif | |
| 108 | |
| 109 #endif /* SRTP_KERNEL */ | |
| 110 | |
| 111 /* These macros are to load and store 32-bit values from un-aligned | |
| 112 addresses. This is required for processors that do not allow unaligned | |
| 113 loads. */ | |
| 114 #ifdef ALIGNMENT_32BIT_REQUIRED | |
| 115 /* Note that if it's in a variable, you can memcpy it */ | |
| 116 #ifdef WORDS_BIGENDIAN | |
| 117 #define PUT_32(addr,value) \ | |
| 118 { \ | |
| 119 ((unsigned char *) (addr))[0] = (value >> 24); \ | |
| 120 ((unsigned char *) (addr))[1] = (value >> 16) & 0xff; \ | |
| 121 ((unsigned char *) (addr))[2] = (value >> 8) & 0xff; \ | |
| 122 ((unsigned char *) (addr))[3] = (value) & 0xff; \ | |
| 123 } | |
| 124 #define GET_32(addr) ((((unsigned char *) (addr))[0] << 24) | \ | |
| 125 (((unsigned char *) (addr))[1] << 16) | \ | |
| 126 (((unsigned char *) (addr))[2] << 8) | \ | |
| 127 (((unsigned char *) (addr))[3])) | |
| 128 #else | |
| 129 #define PUT_32(addr,value) \ | |
| 130 { \ | |
| 131 ((unsigned char *) (addr))[3] = (value >> 24); \ | |
| 132 ((unsigned char *) (addr))[2] = (value >> 16) & 0xff; \ | |
| 133 ((unsigned char *) (addr))[1] = (value >> 8) & 0xff; \ | |
| 134 ((unsigned char *) (addr))[0] = (value) & 0xff; \ | |
| 135 } | |
| 136 #define GET_32(addr) ((((unsigned char *) (addr))[3] << 24) | \ | |
| 137 (((unsigned char *) (addr))[2] << 16) | \ | |
| 138 (((unsigned char *) (addr))[1] << 8) | \ | |
| 139 (((unsigned char *) (addr))[0])) | |
| 140 #endif // WORDS_BIGENDIAN | |
| 141 #else | |
| 142 #define PUT_32(addr,value) *(((uint32_t *) (addr)) = (value) | |
| 143 #define GET_32(addr) (*(((uint32_t *) (addr))) | |
| 144 #endif | |
| 145 | |
| 146 #endif /* INTEGERS_H */ | |
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Chromium Code Reviews
Issue 2344973002:
Update libsrtp to version 2.0 (Closed)
