/usr/include/pj/compat/rand.h is in libpjproject-dev 2.7.2~dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | /* $Id: rand.h 3553 2011-05-05 06:14:19Z nanang $ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __PJ_COMPAT_RAND_H__
#define __PJ_COMPAT_RAND_H__
/**
* @file rand.h
* @brief Provides platform_rand() and platform_srand() functions.
*/
#if defined(PJ_HAS_STDLIB_H) && PJ_HAS_STDLIB_H != 0
/*
* Use stdlib based rand() and srand().
*/
# include <stdlib.h>
# define platform_srand srand
# if defined(RAND_MAX) && RAND_MAX <= 0xFFFF
/*
* When rand() is only 16 bit strong, double the strength
* by calling it twice!
*/
PJ_INLINE(int) platform_rand(void)
{
return ((rand() & 0xFFFF) << 16) | (rand() & 0xFFFF);
}
# else
# define platform_rand rand
# endif
#elif defined(PJ_LINUX_KERNEL) && PJ_LINUX_KERNEL != 0
/*
* Linux kernel mode random number generator.
*/
# include <linux/random.h>
# define platform_srand(seed)
PJ_INLINE(int) platform_rand(void)
{
int value;
get_random_bytes((void*)&value, sizeof(value));
return value;
}
#else
# warning "platform_rand() is not implemented"
# define platform_rand() 1
# define platform_srand(seed)
#endif
#endif /* __PJ_COMPAT_RAND_H__ */
|