michael@0: /*
michael@0:  * kernel_compat.h
michael@0:  * 
michael@0:  * Compatibility stuff for building in kernel context where standard
michael@0:  * C headers and library are not available.
michael@0:  *
michael@0:  * Marcus Sundberg
michael@0:  * Ingate Systems AB
michael@0:  */
michael@0: /*
michael@0:  *	
michael@0:  * Copyright(c) 2005 Ingate Systems AB
michael@0:  * All rights reserved.
michael@0:  * 
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions
michael@0:  * are met:
michael@0:  * 
michael@0:  *   Redistributions of source code must retain the above copyright
michael@0:  *   notice, this list of conditions and the following disclaimer.
michael@0:  * 
michael@0:  *   Redistributions in binary form must reproduce the above
michael@0:  *   copyright notice, this list of conditions and the following
michael@0:  *   disclaimer in the documentation and/or other materials provided
michael@0:  *   with the distribution.
michael@0:  * 
michael@0:  *   Neither the name of the author(s) nor the names of its
michael@0:  *   contributors may be used to endorse or promote products derived
michael@0:  *   from this software without specific prior written permission.
michael@0:  * 
michael@0:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
michael@0:  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
michael@0:  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
michael@0:  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
michael@0:  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
michael@0:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
michael@0:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
michael@0:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
michael@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
michael@0:  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
michael@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
michael@0:  * OF THE POSSIBILITY OF SUCH DAMAGE.
michael@0:  *
michael@0:  */
michael@0: 
michael@0: #ifndef KERNEL_COMPAT_H
michael@0: #define KERNEL_COMPAT_H
michael@0: 
michael@0: #ifdef SRTP_KERNEL_LINUX
michael@0: 
michael@0: #include <linux/kernel.h>
michael@0: #include <linux/slab.h>
michael@0: #include <linux/sched.h>
michael@0: #include <linux/random.h>
michael@0: #include <linux/byteorder/generic.h>
michael@0: 
michael@0: 
michael@0: #define err_report(priority, ...) \
michael@0:   do {\
michael@0:     if (priority <= err_level) {\
michael@0:        printk(__VA_ARGS__);\
michael@0:     }\
michael@0:   }while(0)
michael@0: 
michael@0: #define clock()	(jiffies)
michael@0: #define time(x)	(jiffies)
michael@0: 
michael@0: /* rand() implementation. */
michael@0: #define RAND_MAX	32767
michael@0: 
michael@0: static inline int rand(void)
michael@0: {
michael@0: 	uint32_t temp;
michael@0: 	get_random_bytes(&temp, sizeof(temp));
michael@0: 	return temp % (RAND_MAX+1);
michael@0: }
michael@0: 
michael@0: /* stdio/stdlib implementation. */
michael@0: #define printf(...)	printk(__VA_ARGS__)
michael@0: #define exit(n)	panic("%s:%d: exit(%d)\n", __FILE__, __LINE__, (n))
michael@0: 
michael@0: #endif /* SRTP_KERNEL_LINUX */
michael@0: 
michael@0: #endif /* KERNEL_COMPAT_H */