Mercurial > projects > pwm
view rand-arc4random.c @ 27:722a45b4028b
Add define command for defining macros
Macros are parsed when they are defined with the D command and can
subsequently be used as arguments for other commands.
Handle out of memory errors directly in tok.c.
author | Guido Berhoerster <guido+pwm@berhoerster.name> |
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date | Mon, 25 Sep 2017 21:21:25 +0200 |
parents | 8768fbd09bc5 |
children |
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/* * Copyright (C) 2017 Guido Berhoerster <guido+pwm@berhoerster.name> * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include <stdlib.h> #include "rand.h" void rand_buf(void *buf, size_t buf_size) { arc4random_buf(buf, buf_size); } uint32_t rand_random(void) { return (arc4random()); } uint32_t rand_uniform(uint32_t upper_bound) { return (arc4random_uniform(upper_bound)); }