universe@114: /**
universe@114:  * @mainpage UAP Common Extensions
universe@114:  * Library with common and useful functions, macros and data structures.
universe@114:  * <p>
universe@259:  * Latest available source:<br>
universe@259:  * <a href="https://sourceforge.net/projects/ucx/files/">
universe@259:  * https://sourceforge.net/projects/ucx/files/</a>
universe@259:  * </p>
universe@259:  * 
universe@259:  * <p>
universe@259:  * Repositories:<br>
universe@263:  * <a href="https://sourceforge.net/p/ucx/code">
universe@263:  * https://sourceforge.net/p/ucx/code</a>
universe@259:  * -&nbsp;or&nbsp;-
universe@114:  * <a href="https://develop.uap-core.de/hg/ucx">
universe@114:  * https://develop.uap-core.de/hg/ucx</a>
universe@114:  * </p>
universe@114:  * 
universe@114:  * <h2>LICENCE</h2>
universe@114:  * 
universe@259:  * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
universe@114:  *
universe@114:  * Redistribution and use in source and binary forms, with or without
universe@114:  * modification, are permitted provided that the following conditions are met:
universe@114:  *
universe@114:  *   1. Redistributions of source code must retain the above copyright
universe@114:  *      notice, this list of conditions and the following disclaimer.
universe@114:  *
universe@114:  *   2. Redistributions in binary form must reproduce the above copyright
universe@114:  *      notice, this list of conditions and the following disclaimer in the
universe@114:  *      documentation and/or other materials provided with the distribution.
universe@114:  *
universe@114:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@114:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@114:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
universe@114:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
universe@114:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
universe@114:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
universe@114:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
universe@114:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
universe@114:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
universe@114:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
universe@114:  * POSSIBILITY OF SUCH DAMAGE.
universe@114:  */
universe@114: 
universe@251: #include "ucx/ucx.h"
olaf@270: 
olaf@331: int ucx_szmul_impl(size_t a, size_t b, size_t *result) {
olaf@270:     if(a == 0 || b == 0) {
olaf@270:         *result = 0;
universe@273:         return 0;
olaf@270:     }
olaf@270:     size_t r = a * b;
olaf@270:     if(r / b == a) {
olaf@270:         *result = r;
olaf@270:         return 0;
olaf@270:     } else {
olaf@270:         *result = 0;
olaf@270:         return 1;
olaf@270:     }
olaf@270: }
universe@273: