src/ucx/ucx.c@f26bd6e17594 (annotated)
src/ucx/ucx.c
Sun, 01 May 2022 11:07:31 +0200
- author
- Olaf Wintermann <olaf.wintermann@gmail.com>
- date
- Sun, 01 May 2022 11:07:31 +0200
- branch
- webdav
- changeset 322
- f26bd6e17594
- parent 254
- 4784c14aa639
- permissions
- -rw-r--r--
fix uninitialized memory access in directory check
| 91 | 1 | /** |
| 2 | * @mainpage UAP Common Extensions | |
| 3 | * Library with common and useful functions, macros and data structures. | |
| 4 | * <p> | |
| 254 | 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 - | |
| 91 | 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 | * | |
| 254 | 21 | * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved. |
| 91 | 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 | ||
| 254 | 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 |
