Mercurial > hg-old > index.cgi
annotate lwlink/util.c @ 282:2ca46690162b 2.3
Branched for 2.3 release
author | lost |
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date | Fri, 24 Apr 2009 22:14:47 +0000 |
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1 /* |
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2 util.c |
118 | 3 Copyright © 2009 William Astle |
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4 |
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5 This file is part of LWLINK. |
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6 |
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7 LWLINK is free software: you can redistribute it and/or modify it under the |
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8 terms of the GNU General Public License as published by the Free Software |
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9 Foundation, either version 3 of the License, or (at your option) any later |
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10 version. |
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11 |
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12 This program is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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15 more details. |
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16 |
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17 You should have received a copy of the GNU General Public License along with |
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18 this program. If not, see <http://www.gnu.org/licenses/>. |
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19 */ |
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20 |
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21 /* |
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22 Utility functions |
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23 */ |
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24 |
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25 #define __util_c_seen__ |
212 | 26 #include <config.h> |
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27 |
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28 #include <malloc.h> |
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29 #include <stdio.h> |
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30 #include <stdlib.h> |
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31 #include <string.h> |
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32 |
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33 #include "util.h" |
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34 |
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35 void *lw_malloc(int size) |
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36 { |
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37 void *ptr; |
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38 |
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39 ptr = malloc(size); |
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40 if (!ptr) |
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41 { |
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42 // bail out; memory allocation error |
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43 fprintf(stderr, "lw_malloc(): Memory allocation error\n"); |
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44 exit(1); |
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45 } |
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46 return ptr; |
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47 } |
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48 |
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49 void *lw_realloc(void *optr, int size) |
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50 { |
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51 void *ptr; |
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52 |
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53 if (size == 0) |
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54 { |
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55 lw_free(optr); |
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56 return; |
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57 } |
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58 |
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59 ptr = realloc(optr, size); |
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60 if (!ptr) |
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61 { |
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62 fprintf(stderr, "lw_realloc(): memory allocation error\n"); |
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63 exit(1); |
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64 } |
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65 } |
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66 |
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67 void lw_free(void *ptr) |
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68 { |
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69 if (ptr) |
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70 free(ptr); |
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71 } |
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72 |
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73 char *lw_strdup(const char *s) |
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74 { |
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75 char *d; |
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76 |
116 | 77 if (!s) |
78 return NULL; | |
79 | |
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80 d = strdup(s); |
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81 if (!d) |
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82 { |
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83 fprintf(stderr, "lw_strdup(): memory allocation error\n"); |
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84 exit(1); |
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85 } |
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86 |
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87 return d; |
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88 } |