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comparison: netwerk/srtp/src/crypto/include/kernel_compat.h
netwerk/srtp/src/crypto/include/kernel_compat.h
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| 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 */ | |
| 45 | |
| 46 #ifndef KERNEL_COMPAT_H | |
| 47 #define KERNEL_COMPAT_H | |
| 48 | |
| 49 #ifdef SRTP_KERNEL_LINUX | |
| 50 | |
| 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> | |
| 56 | |
| 57 | |
| 58 #define err_report(priority, ...) \ | |
| 59 do {\ | |
| 60 if (priority <= err_level) {\ | |
| 61 printk(__VA_ARGS__);\ | |
| 62 }\ | |
| 63 }while(0) | |
| 64 | |
| 65 #define clock() (jiffies) | |
| 66 #define time(x) (jiffies) | |
| 67 | |
| 68 /* rand() implementation. */ | |
| 69 #define RAND_MAX 32767 | |
| 70 | |
| 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 } | |
| 77 | |
| 78 /* stdio/stdlib implementation. */ | |
| 79 #define printf(...) printk(__VA_ARGS__) | |
| 80 #define exit(n) panic("%s:%d: exit(%d)\n", __FILE__, __LINE__, (n)) | |
| 81 | |
| 82 #endif /* SRTP_KERNEL_LINUX */ | |
| 83 | |
| 84 #endif /* KERNEL_COMPAT_H */ |
