ucx/ucx.c

Sat, 12 Oct 2019 13:42:02 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 12 Oct 2019 13:42:02 +0200
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parent 505
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permissions
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add edit-user command

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