FreeCalypso > hg > fc-magnetite
annotate src/aci2/bmi/mmiUserData.c @ 246:a33da2d26a31
aci3: FreeCalypso +CGSN logic ported over
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 24 Jul 2017 06:18:10 +0000 |
parents | 3c2acfa1a72f |
children |
rev | line source |
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1 /******************************************************************************* |
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2 |
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3 CONDAT (UK) |
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4 |
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5 ******************************************************************************** |
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6 |
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7 This software product is the property of Condat (UK) Ltd and may not be |
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8 disclosed to any third party without the express permission of the owner. |
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9 |
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10 ******************************************************************************** |
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11 |
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12 $Project name: Basic MMI |
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13 $Project code: BMI (6349) |
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14 $Module: MMI |
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15 $File: MmiUserData.c |
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16 $Revision: 1.0 |
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17 |
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18 $Author: Condat(UK) |
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19 $Date: 22/02/01 |
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20 |
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21 ******************************************************************************** |
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22 |
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23 Description: |
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24 |
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25 |
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26 |
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27 ******************************************************************************** |
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28 |
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29 $History: MmiUserData.c |
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30 |
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31 25/10/00 Original Condat(UK) BMI version. |
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32 |
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33 $End |
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34 |
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35 *******************************************************************************/ |
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36 |
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37 #define ENTITY_MFW |
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38 |
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39 /* includes */ |
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40 #include <string.h> |
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41 #include <stdio.h> |
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42 #include <stdlib.h> |
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43 |
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44 #if defined (NEW_FRAME) |
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45 |
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46 #include "typedefs.h" |
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47 #include "vsi.h" |
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48 #include "pei.h" |
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49 #include "custom.h" |
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50 #include "gsm.h" |
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51 |
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52 #else |
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53 |
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54 #include "STDDEFS.H" |
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55 #include "custom.h" |
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56 #include "gsm.h" |
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57 #include "vsi.h" |
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58 |
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59 #endif |
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60 #include "mfw_sys.h" |
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61 #include "mfw_mfw.h" |
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62 #include "mfw_win.h" |
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63 |
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64 #include "MmiMmi.h" |
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65 #include "MmiUserData.h" |
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66 |
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67 |
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68 typedef struct uDe |
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69 { |
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70 UserKey key; |
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71 void *data; |
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72 struct uDe *next; |
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73 } UserDataElement, *UserDataLink; |
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74 |
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75 |
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76 static UserDataLink userDataFind( UserDataLink first, UserKey key) |
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77 { |
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78 while( first != NULL && first->key != key ) |
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79 { |
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80 first = first->next; |
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81 } |
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82 |
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83 return first; |
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84 } |
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85 |
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86 |
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87 static UserDataLink userDataPrevious( UserDataLink first, |
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88 UserDataLink beforeThis) |
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89 { |
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90 if( first == beforeThis ) // <beforeThis> is the first element in the list. |
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91 { |
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92 return NULL; |
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93 } |
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94 |
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95 while( first->next != beforeThis ) |
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96 { |
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97 first = first->next; |
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98 } |
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99 |
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100 return first; |
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101 } |
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102 |
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103 |
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104 /* |
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105 * Sets the user data for <window> with <key> to <data>, |
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106 * and returns the previous contents of the user data. |
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107 * If <data> itself is returned no user data with <key> |
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108 * existed and a new user data element with <key> has been created |
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109 * and set to <data>. |
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110 * If NULL is returned, either <window> was invalid or a new user data |
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111 * element could not be created. |
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112 */ |
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113 void *userDataHndSet( MfwHnd window, UserKey key, void *data) |
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114 { |
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115 if( window == NULL ) { return NULL; } |
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116 |
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117 return userDataWinSet( (MfwWin *)((MfwHdr *)window)->data, key, data); |
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118 } |
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119 |
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120 |
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121 void *userDataWinSet( MfwWin *window, UserKey key, void *data) |
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122 { |
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123 UserDataLink thisOne; |
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124 |
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125 if( window == NULL ) { return NULL; } |
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126 |
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127 thisOne = userDataFind( (UserDataLink)window->user, key); |
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128 |
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129 if( thisOne == NULL ) // element with <key> does not exist: create. |
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130 { |
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131 thisOne = (UserDataLink)ALLOC_MEMORY(sizeof(UserDataElement)); |
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132 |
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133 if( thisOne == NULL ) |
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134 { |
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135 return NULL; |
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136 } |
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137 |
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138 thisOne->key = key; |
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139 thisOne->data = data; |
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140 thisOne->next = (UserDataLink)window->user; |
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141 |
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142 window->user = (void *)thisOne; |
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143 |
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144 return data; |
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145 } |
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146 else |
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147 { |
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148 void *oldData = thisOne->data; |
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149 |
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150 thisOne->data = data; |
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151 |
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152 return oldData; |
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153 } |
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154 } |
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155 |
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156 |
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157 /* |
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158 * Returns the user data for <window> with <key>. |
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159 * If NULL is returned, either <window> was invalid or no user data |
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160 * with <key> existed. |
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161 */ |
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162 void *userDataHndGet( MfwHnd window, UserKey key) |
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163 { |
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164 if( window == NULL ) { return NULL; } |
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165 |
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166 return userDataWinGet( (MfwWin *)((MfwHdr *)window)->data, key); |
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167 } |
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168 |
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169 |
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170 void *userDataWinGet( MfwWin *window, UserKey key) |
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171 { |
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172 UserDataLink thisOne; |
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173 |
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174 if( window == NULL ) { return NULL; } |
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175 |
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176 thisOne = userDataFind( (UserDataLink)window->user, key); |
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177 |
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178 if( thisOne == NULL ) { return NULL; } |
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179 |
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180 return thisOne->data; |
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181 } |
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182 |
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183 |
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184 /* |
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185 * Deletes the user data for <window> with <key>, and returns the |
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186 * contents of the user data. |
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187 * If NULL is returned, either <window> was invalid or no user data |
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188 * with <key> existed. |
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189 */ |
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190 void *userDataHndDelete( MfwHnd window, UserKey key) |
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191 { |
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192 if( window == NULL ) { return NULL; } |
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193 |
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194 return userDataWinDelete( (MfwWin *)((MfwHdr *)window)->data, key); |
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195 } |
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196 |
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197 |
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198 void *userDataWinDelete( MfwWin *window, UserKey key) |
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199 { |
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200 UserDataLink doomed; |
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201 |
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202 if( window == NULL ) { return NULL; } |
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203 |
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204 doomed = userDataFind( (UserDataLink)window->user, key); |
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205 |
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206 if( doomed == NULL ) // element with <key> does not exist. |
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207 { |
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208 return NULL; |
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209 } |
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210 else |
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211 { |
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212 void * oldData = doomed->data; |
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213 UserDataLink previous; |
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214 |
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215 previous = userDataPrevious( (UserDataLink)window->user, doomed); |
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216 |
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217 if( previous == NULL ) // <doomed> is the first element in the list. |
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218 { |
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219 window->user = (void *)doomed->next; |
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220 } |
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221 else |
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222 { |
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223 previous->next = doomed->next; |
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224 } |
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225 |
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226 FREE_MEMORY( (void *)doomed, sizeof(UserDataElement)); |
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227 |
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228 return oldData; |
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229 } |
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230 } |
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231 |