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/*
* kernel_compat.h
*
* Compatibility stuff for building in kernel context where standard
* C headers and library are not available.
*
* Marcus Sundberg
* Ingate Systems AB
*/
/*
*
* Copyright(c) 2005 Ingate Systems AB
* 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 author(s) 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 KERNEL_COMPAT_H
#define KERNEL_COMPAT_H
#ifdef SRTP_KERNEL_LINUX
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/random.h>
#include <linux/byteorder/generic.h>
#define err_report(priority, ...) \
do {\
if (priority <= err_level) {\
printk(__VA_ARGS__);\
}\
}while(0)
#define clock() (jiffies)
#define time(x) (jiffies)
/* rand() implementation. */
#define RAND_MAX 32767
static inline int rand(void)
{
uint32_t temp;
get_random_bytes(&temp, sizeof(temp));
return temp % (RAND_MAX+1);
}
/* stdio/stdlib implementation. */
#define printf(...) printk(__VA_ARGS__)
#define exit(n) panic("%s:%d: exit(%d)\n", __FILE__, __LINE__, (n))
#endif /* SRTP_KERNEL_LINUX */
#endif /* KERNEL_COMPAT_H */
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