/usr/include/srtp/integers.h is in libsrtp0-dev 1.4.5~20130609~dfsg-2ubuntu1.
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* 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 == 8
typedef unsigned long uint64_t;
# elif SIZEOF_UNSIGNED_LONG_LONG == 8
typedef 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_T
typedef unsigned char uint8_t;
#endif
#ifndef HAVE_UINT16_T
typedef unsigned short int uint16_t;
#endif
#ifndef HAVE_UINT32_T
typedef unsigned int uint32_t;
#endif
#ifdef NO_64BIT_MATH
typedef 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 */
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