| /* |
| * Copyright (c) 2016 Intel Corporation |
| * |
| * Copyright (c) 2005, Swedish Institute of Computer Science |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the Institute nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * This file is part of the Contiki operating system. |
| * |
| */ |
| #ifndef OC_RANDOM_H |
| #define OC_RANDOM_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* |
| * Initialize the pseudo-random generator. |
| * |
| */ |
| void oc_random_init(unsigned short seed); |
| |
| /* |
| * Calculate a pseudo random number between 0 and 65535. |
| * |
| * \return A pseudo-random number between 0 and 65535. |
| */ |
| unsigned short oc_random_rand(void); |
| |
| /* In gcc int rand() uses RAND_MAX and long random() uses RANDOM_MAX */ |
| /* Since random_rand casts to unsigned short, we'll use this maxmimum */ |
| #define RANDOM_RAND_MAX 65535U |
| |
| void oc_random_destroy(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* OC_RANDOM_H */ |
