Sun, 17 Sep 2023 13:40:48 +0200
use _mkgmtime instead of mktime in parse_iso8601() on windows
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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | /** |
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29 | * \file allocator.h |
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30 | * Interface for custom allocators. |
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31 | */ |
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32 | |
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33 | #ifndef UCX_ALLOCATOR_H |
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34 | #define UCX_ALLOCATOR_H |
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35 | |
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36 | #include "common.h" |
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37 | |
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38 | #ifdef __cplusplus |
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39 | extern "C" { |
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40 | #endif |
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41 | |
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42 | /** |
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43 | * The class definition for an allocator. |
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44 | */ |
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45 | typedef struct { |
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46 | /** |
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47 | * The allocator's malloc() implementation. |
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48 | */ |
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49 | void *(*malloc)( |
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50 | void *data, |
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51 | size_t n |
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52 | ); |
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53 | |
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54 | /** |
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55 | * The allocator's realloc() implementation. |
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56 | */ |
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57 | void *(*realloc)( |
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58 | void *data, |
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59 | void *mem, |
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60 | size_t n |
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61 | ) |
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62 | __attribute__((__warn_unused_result__)); |
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63 | |
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64 | /** |
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65 | * The allocator's calloc() implementation. |
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66 | */ |
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67 | void *(*calloc)( |
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68 | void *data, |
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69 | size_t nelem, |
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70 | size_t n |
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71 | ); |
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72 | |
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73 | /** |
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74 | * The allocator's free() implementation. |
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75 | */ |
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76 | void (*free)( |
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77 | void *data, |
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78 | void *mem |
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79 | ) |
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80 | __attribute__((__nonnull__)); |
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81 | } cx_allocator_class; |
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82 | |
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83 | /** |
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84 | * Structure holding the data for an allocator. |
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85 | */ |
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86 | struct cx_allocator_s { |
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87 | /** |
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88 | * A pointer to the instance of the allocator class. |
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89 | */ |
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90 | cx_allocator_class *cl; |
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91 | /** |
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92 | * A pointer to the data this allocator uses. |
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93 | */ |
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94 | void *data; |
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95 | }; |
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96 | |
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97 | /** |
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98 | * High-Level type alias for the allocator type. |
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99 | */ |
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100 | typedef struct cx_allocator_s CxAllocator; |
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101 | |
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102 | /** |
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103 | * A default allocator using standard library malloc() etc. |
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104 | */ |
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105 | extern CxAllocator *cxDefaultAllocator; |
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106 | |
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107 | /** |
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108 | * Function pointer type for destructor functions. |
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109 | * |
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110 | * A destructor function deallocates possible contents and MAY free the memory |
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111 | * pointed to by \p memory. Read the documentation of the respective function |
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112 | * pointer to learn if a destructor SHALL, MAY, or MUST NOT free the memory in that |
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113 | * particular implementation. |
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114 | * |
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115 | * @param memory a pointer to the object to destruct |
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116 | */ |
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117 | typedef void (*cx_destructor_func)(void *memory) __attribute__((__nonnull__)); |
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118 | |
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119 | /** |
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120 | * Function pointer type for destructor functions. |
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121 | * |
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122 | * A destructor function deallocates possible contents and MAY free the memory |
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123 | * pointed to by \p memory. Read the documentation of the respective function |
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124 | * pointer to learn if a destructor SHALL, MAY, or MUST NOT free the memory in that |
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125 | * particular implementation. |
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126 | * |
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127 | * @param data an optional pointer to custom data |
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128 | * @param memory a pointer to the object to destruct |
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129 | */ |
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130 | typedef void (*cx_destructor_func2)( |
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131 | void *data, |
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132 | void *memory |
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133 | ) __attribute__((__nonnull__(2))); |
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134 | |
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135 | /** |
775 | 136 | * Re-allocate a previously allocated block and changes the pointer in-place, if necessary. |
137 | * | |
138 | * \par Error handling | |
139 | * \c errno will be set by realloc() on failure. | |
140 | * | |
141 | * @param mem pointer to the pointer to allocated block | |
142 | * @param n the new size in bytes | |
143 | * @return zero on success, non-zero on failure | |
144 | */ | |
145 | int cx_reallocate( | |
146 | void **mem, | |
147 | size_t n | |
148 | ) | |
149 | __attribute__((__nonnull__)); | |
150 | ||
151 | /** | |
747
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152 | * Allocate \p n bytes of memory. |
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153 | * |
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154 | * @param allocator the allocator |
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155 | * @param n the number of bytes |
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156 | * @return a pointer to the allocated memory |
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157 | */ |
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158 | void *cxMalloc( |
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159 | CxAllocator const *allocator, |
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160 | size_t n |
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161 | ) |
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162 | __attribute__((__malloc__)) |
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163 | __attribute__((__alloc_size__(2))); |
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164 | |
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165 | /** |
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166 | * Re-allocate the previously allocated block in \p mem, making the new block \p n bytes long. |
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167 | * This function may return the same pointer that was passed to it, if moving the memory |
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168 | * was not necessary. |
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169 | * |
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170 | * \note Re-allocating a block allocated by a different allocator is undefined. |
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171 | * |
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172 | * @param allocator the allocator |
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173 | * @param mem pointer to the previously allocated block |
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174 | * @param n the new size in bytes |
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175 | * @return a pointer to the re-allocated memory |
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176 | */ |
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177 | void *cxRealloc( |
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178 | CxAllocator const *allocator, |
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179 | void *mem, |
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180 | size_t n |
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181 | ) |
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182 | __attribute__((__warn_unused_result__)) |
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183 | __attribute__((__alloc_size__(3))); |
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184 | |
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185 | /** |
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186 | * Re-allocate a previously allocated block and changes the pointer in-place, if necessary. |
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187 | * This function acts like cxRealloc() using the pointer pointed to by \p mem. |
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188 | * |
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189 | * \note Re-allocating a block allocated by a different allocator is undefined. |
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190 | * |
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191 | * \par Error handling |
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192 | * \c errno will be set, if the underlying realloc function does so. |
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193 | * |
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194 | * @param allocator the allocator |
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195 | * @param mem pointer to the pointer to allocated block |
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196 | * @param n the new size in bytes |
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197 | * @return zero on success, non-zero on failure |
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198 | */ |
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199 | int cxReallocate( |
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200 | CxAllocator const *allocator, |
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201 | void **mem, |
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202 | size_t n |
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203 | ) |
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204 | __attribute__((__nonnull__)); |
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205 | |
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206 | /** |
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207 | * Allocate \p nelem elements of \p n bytes each, all initialized to zero. |
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208 | * |
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209 | * @param allocator the allocator |
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210 | * @param nelem the number of elements |
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211 | * @param n the size of each element in bytes |
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212 | * @return a pointer to the allocated memory |
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213 | */ |
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214 | void *cxCalloc( |
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215 | CxAllocator const *allocator, |
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216 | size_t nelem, |
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217 | size_t n |
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218 | ) |
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219 | __attribute__((__malloc__)) |
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220 | __attribute__((__alloc_size__(2, 3))); |
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221 | |
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222 | /** |
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223 | * Free a block allocated by this allocator. |
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224 | * |
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225 | * \note Freeing a block of a different allocator is undefined. |
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226 | * |
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227 | * @param allocator the allocator |
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228 | * @param mem a pointer to the block to free |
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229 | */ |
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230 | void cxFree( |
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231 | CxAllocator const *allocator, |
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232 | void *mem |
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233 | ) |
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234 | __attribute__((__nonnull__)); |
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235 | |
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236 | #ifdef __cplusplus |
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237 | } // extern "C" |
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238 | #endif |
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239 | |
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240 | #endif // UCX_ALLOCATOR_H |