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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 */ | |
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