diff -r 000000000000 -r 804d8803eade ucx/ucx.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ucx/ucx.c Wed Dec 09 11:32:01 2020 +0100 @@ -0,0 +1,62 @@ +/** + * @mainpage UAP Common Extensions + * Library with common and useful functions, macros and data structures. + *

+ * Latest available source:
+ * + * https://sourceforge.net/projects/ucx/files/ + *

+ * + *

+ * Repositories:
+ * + * https://sourceforge.net/p/ucx/code + * - or - + * + * https://develop.uap-core.de/hg/ucx + *

+ * + *

LICENCE

+ * + * Copyright 2017 Mike Becker, Olaf Wintermann 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. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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. + */ + +#include "ucx/ucx.h" + +int ucx_szmul_impl(size_t a, size_t b, size_t *result) { + if(a == 0 || b == 0) { + *result = 0; + return 0; + } + size_t r = a * b; + if(r / b == a) { + *result = r; + return 0; + } else { + *result = 0; + return 1; + } +} +