The Tor Browser: netwerk/srtp/src/crypto/include/kernel

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * kernel_compat.h

     3  *

     4  * Compatibility stuff for building in kernel context where standard

     5  * C headers and library are not available.

     6  *

     7  * Marcus Sundberg

     8  * Ingate Systems AB

     9  */

    10 /*

    11  *

    12  * Copyright(c) 2005 Ingate Systems AB

    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 author(s) 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  */

    46 #ifndef KERNEL_COMPAT_H

    47 #define KERNEL_COMPAT_H

    49 #ifdef SRTP_KERNEL_LINUX

    51 #include <linux/kernel.h>

    52 #include <linux/slab.h>

    53 #include <linux/sched.h>

    54 #include <linux/random.h>

    55 #include <linux/byteorder/generic.h>

    58 #define err_report(priority, ...) \

    59   do {\

    60     if (priority <= err_level) {\

    61        printk(__VA_ARGS__);\

    62     }\

    63   }while(0)

    65 #define clock()	(jiffies)

    66 #define time(x)	(jiffies)

    68 /* rand() implementation. */

    69 #define RAND_MAX	32767

    71 static inline int rand(void)

    72 {

    73 	uint32_t temp;

    74 	get_random_bytes(&temp, sizeof(temp));

    75 	return temp % (RAND_MAX+1);

    76 }

    78 /* stdio/stdlib implementation. */

    79 #define printf(...)	printk(__VA_ARGS__)

    80 #define exit(n)	panic("%s:%d: exit(%d)\n", __FILE__, __LINE__, (n))

    82 #endif /* SRTP_KERNEL_LINUX */

    84 #endif /* KERNEL_COMPAT_H */

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