comparison: ucx/ucx.c
ucx/ucx.c
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| 1 /** | |
| 2 * @mainpage UAP Common Extensions | |
| 3 * Library with common and useful functions, macros and data structures. | |
| 4 * <p> | |
| 5 * Latest available source:<br> | |
| 6 * <a href="https://sourceforge.net/projects/ucx/files/"> | |
| 7 * https://sourceforge.net/projects/ucx/files/</a> | |
| 8 * </p> | |
| 9 * | |
| 10 * <p> | |
| 11 * Repositories:<br> | |
| 12 * <a href="https://sourceforge.net/p/ucx/code"> | |
| 13 * https://sourceforge.net/p/ucx/code</a> | |
| 14 * - or - | |
| 15 * <a href="https://develop.uap-core.de/hg/ucx"> | |
| 16 * https://develop.uap-core.de/hg/ucx</a> | |
| 17 * </p> | |
| 18 * | |
| 19 * <h2>LICENCE</h2> | |
| 20 * | |
| 21 * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions are met: | |
| 25 * | |
| 26 * 1. Redistributions of source code must retain the above copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * | |
| 29 * 2. Redistributions in binary form must reproduce the above copyright | |
| 30 * notice, this list of conditions and the following disclaimer in the | |
| 31 * documentation and/or other materials provided with the distribution. | |
| 32 * | |
| 33 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 34 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 35 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 36 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 37 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 38 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 39 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 40 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 41 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 42 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 43 * POSSIBILITY OF SUCH DAMAGE. | |
| 44 */ | |
| 45 | |
| 46 #include "ucx/ucx.h" | |
| 47 | |
| 48 int ucx_szmul_impl(size_t a, size_t b, size_t *result) { | |
| 49 if(a == 0 || b == 0) { | |
| 50 *result = 0; | |
| 51 return 0; | |
| 52 } | |
| 53 size_t r = a * b; | |
| 54 if(r / b == a) { | |
| 55 *result = r; | |
| 56 return 0; | |
| 57 } else { | |
| 58 *result = 0; | |
| 59 return 1; | |
| 60 } | |
| 61 } | |
| 62 |
