Sat, 05 Dec 2020 11:54:58 +0100
ucx update
0 | 1 | /** |
2 | * @mainpage UAP Common Extensions | |
3 | * Library with common and useful functions, macros and data structures. | |
4 | * <p> | |
157 | 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 - | |
0 | 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 | * | |
157 | 21 | * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved. |
0 | 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 | ||
157 | 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 |