netwerk/srtp/src/crypto/include/integers.h@6474c204b198
netwerk/srtp/src/crypto/include/integers.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /*
2 * integers.h
3 *
4 * defines integer types (or refers to their definitions)
5 *
6 * David A. McGrew
7 * Cisco Systems, Inc.
8 */
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 */
47 #ifndef INTEGERS_H
48 #define INTEGERS_H
50 #include "config.h" /* configuration file, using autoconf */
52 #ifdef SRTP_KERNEL
54 #include "kernel_compat.h"
56 #else /* SRTP_KERNEL */
58 /* use standard integer definitions, if they're available */
59 #ifdef HAVE_STDLIB_H
60 # include <stdlib.h>
61 #endif
62 #ifdef INTEGER_TYPES_H
63 /* Let configure tell us where to get the equivalent to <stdint.h> */
64 #include INTEGER_TYPES_H
66 #if !defined(HAVE_UINT64_T)
67 #define NO_64BIT_MATH 1
68 #endif
69 #else
70 #ifdef HAVE_STDINT_H
71 # include <stdint.h>
72 #endif
73 #endif /* INTEGER_TYPES_H */
74 #ifdef HAVE_INTTYPES_H
75 # include <inttypes.h>
76 #endif
77 #ifdef HAVE_SYS_TYPES_H
78 # include <sys/types.h>
79 #endif
80 #ifdef HAVE_SYS_INT_TYPES_H
81 # include <sys/int_types.h> /* this exists on Sun OS */
82 #endif
83 #ifdef HAVE_MACHINE_TYPES_H
84 # include <machine/types.h>
85 #endif
87 /* Can we do 64 bit integers? */
88 #if !defined(HAVE_UINT64_T)
89 # if SIZEOF_UNSIGNED_LONG == 8
90 typedef unsigned long uint64_t;
91 # elif SIZEOF_UNSIGNED_LONG_LONG == 8
92 typedef unsigned long long uint64_t;
93 # else
94 # define NO_64BIT_MATH 1
95 # endif
96 #endif
98 /* Reasonable defaults for 32 bit machines - you may need to
99 * edit these definitions for your own machine. */
100 #ifndef HAVE_UINT8_T
101 typedef unsigned char uint8_t;
102 #endif
103 #ifndef HAVE_UINT16_T
104 typedef unsigned short int uint16_t;
105 #endif
106 #ifndef HAVE_UINT32_T
107 typedef unsigned int uint32_t;
108 #endif
110 #ifdef NO_64BIT_MATH
111 typedef double uint64_t;
112 /* assert that sizeof(double) == 8 */
113 extern uint64_t make64(uint32_t high, uint32_t low);
114 extern uint32_t high32(uint64_t value);
115 extern uint32_t low32(uint64_t value);
116 #endif
118 #endif /* SRTP_KERNEL */
120 /* These macros are to load and store 32-bit values from un-aligned
121 addresses. This is required for processors that do not allow unaligned
122 loads. */
123 #ifdef ALIGNMENT_32BIT_REQUIRED
124 /* Note that if it's in a variable, you can memcpy it */
125 #ifdef WORDS_BIGENDIAN
126 #define PUT_32(addr,value) \
127 { \
128 ((unsigned char *) (addr))[0] = (value >> 24); \
129 ((unsigned char *) (addr))[1] = (value >> 16) & 0xff; \
130 ((unsigned char *) (addr))[2] = (value >> 8) & 0xff; \
131 ((unsigned char *) (addr))[3] = (value) & 0xff; \
132 }
133 #define GET_32(addr) ((((unsigned char *) (addr))[0] << 24) | \
134 (((unsigned char *) (addr))[1] << 16) | \
135 (((unsigned char *) (addr))[2] << 8) | \
136 (((unsigned char *) (addr))[3]))
137 #else
138 #define PUT_32(addr,value) \
139 { \
140 ((unsigned char *) (addr))[3] = (value >> 24); \
141 ((unsigned char *) (addr))[2] = (value >> 16) & 0xff; \
142 ((unsigned char *) (addr))[1] = (value >> 8) & 0xff; \
143 ((unsigned char *) (addr))[0] = (value) & 0xff; \
144 }
145 #define GET_32(addr) ((((unsigned char *) (addr))[3] << 24) | \
146 (((unsigned char *) (addr))[2] << 16) | \
147 (((unsigned char *) (addr))[1] << 8) | \
148 (((unsigned char *) (addr))[0]))
149 #endif // WORDS_BIGENDIAN
150 #else
151 #define PUT_32(addr,value) *(((uint32_t *) (addr)) = (value)
152 #define GET_32(addr) (*(((uint32_t *) (addr)))
153 #endif
155 #endif /* INTEGERS_H */
