FreeCalypso > hg > fc-tourmaline

annotate src/ui/bmi/mmiUserData.c @ 285:59dff9a18e2a

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Condat audio.c: white space readability fixes
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 08 Nov 2021 23:53:22 +0000
parents 8f6e2ae69a6b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*******************************************************************************
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3 CONDAT (UK)
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5 ********************************************************************************
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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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10 ********************************************************************************
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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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18 $Author: Condat(UK)
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19 $Date: 22/02/01
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21 ********************************************************************************
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23 Description:
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26 ********************************************************************************
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28 $History: MmiUserData.c
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30 25/10/00 Original Condat(UK) BMI version.
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31
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32 $End
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34 *******************************************************************************/
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36 #define ENTITY_MFW
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38 /* includes */
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39 #include <string.h>
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40 #include <stdio.h>
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41 #include <stdlib.h>
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43 #if defined (NEW_FRAME)
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45 #include "typedefs.h"
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46 #include "vsi.h"
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47 #include "pei.h"
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48 #include "custom.h"
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49 #include "gsm.h"
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51 #else
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53 #include "STDDEFS.H"
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54 #include "custom.h"
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55 #include "gsm.h"
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56 #include "vsi.h"
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57
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58 #endif
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59 #include "mfw_sys.h"
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60 #include "mfw_mfw.h"
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61 #include "mfw_win.h"
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63 #include "MmiMmi.h"
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64 #include "MmiUserData.h"
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67 typedef struct uDe
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68 {
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69 UserKey key;
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70 void *data;
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71 struct uDe *next;
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72 } UserDataElement, *UserDataLink;
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75 static UserDataLink userDataFind( UserDataLink first, UserKey key)
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76 {
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77 while( first != NULL && first->key != key )
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78 {
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79 first = first->next;
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80 }
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81
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82 return first;
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83 }
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86 static UserDataLink userDataPrevious( UserDataLink first,
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87 UserDataLink beforeThis)
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88 {
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89 if( first == beforeThis ) // <beforeThis> is the first element in the list.
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90 {
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91 return NULL;
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92 }
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93
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94 while( first->next != beforeThis )
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95 {
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96 first = first->next;
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97 }
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98
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99 return first;
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100 }
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102
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103 /*
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104 * Sets the user data for <window> with <key> to <data>,
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105 * and returns the previous contents of the user data.
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106 * If <data> itself is returned no user data with <key>
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107 * existed and a new user data element with <key> has been created
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108 * and set to <data>.
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109 * If NULL is returned, either <window> was invalid or a new user data
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110 * element could not be created.
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111 */
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112 void *userDataHndSet( MfwHnd window, UserKey key, void *data)
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113 {
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114 if( window == NULL ) { return NULL; }
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115
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116 return userDataWinSet( (MfwWin *)((MfwHdr *)window)->data, key, data);
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117 }
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118
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119
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120 void *userDataWinSet( MfwWin *window, UserKey key, void *data)
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121 {
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122 UserDataLink thisOne;
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123
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124 if( window == NULL ) { return NULL; }
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125
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126 thisOne = userDataFind( (UserDataLink)window->user, key);
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127
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128 if( thisOne == NULL ) // element with <key> does not exist: create.
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129 {
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130 thisOne = (UserDataLink)ALLOC_MEMORY(sizeof(UserDataElement));
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131
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132 if( thisOne == NULL )
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133 {
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134 return NULL;
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135 }
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136
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137 thisOne->key = key;
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138 thisOne->data = data;
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139 thisOne->next = (UserDataLink)window->user;
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140
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141 window->user = (void *)thisOne;
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142
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143 return data;
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144 }
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145 else
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146 {
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147 void *oldData = thisOne->data;
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148
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149 thisOne->data = data;
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150
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151 return oldData;
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152 }
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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 * Returns the user data for <window> with <key>.
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158 * If NULL is returned, either <window> was invalid or no user data
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159 * with <key> existed.
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160 */
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161 void *userDataHndGet( MfwHnd window, UserKey key)
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162 {
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163 if( window == NULL ) { return NULL; }
92
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164
181
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165 return userDataWinGet( (MfwWin *)((MfwHdr *)window)->data, key);
3
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166 }
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167
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168
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169 void *userDataWinGet( MfwWin *window, UserKey key)
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170 {
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171 UserDataLink thisOne;
92
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172
181
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173 if( window == NULL ) { return NULL; }
3
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174
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175 thisOne = userDataFind( (UserDataLink)window->user, key);
92
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176
181
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177 if( thisOne == NULL ) { return NULL; }
92
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178
181
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179 return thisOne->data;
3
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180 }
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181
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182
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183 /*
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184 * Deletes the user data for <window> with <key>, and returns the
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185 * contents of the user data.
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186 * If NULL is returned, either <window> was invalid or no user data
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187 * with <key> existed.
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188 */
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189 void *userDataHndDelete( MfwHnd window, UserKey key)
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190 {
181
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191 if( window == NULL ) { return NULL; }
92
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192
181
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193 return userDataWinDelete( (MfwWin *)((MfwHdr *)window)->data, key);
3
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194 }
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195
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196
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197 void *userDataWinDelete( MfwWin *window, UserKey key)
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198 {
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199 UserDataLink doomed;
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200
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201 if( window == NULL ) { return NULL; }
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202
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203 doomed = userDataFind( (UserDataLink)window->user, key);
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204
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205 if( doomed == NULL ) // element with <key> does not exist.
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206 {
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207 return NULL;
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208 }
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parents:
diff changeset
209 else
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parents:
diff changeset
210 {
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parents:
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211 void * oldData = doomed->data;
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diff changeset
212 UserDataLink previous;
67bfe9f274f6 src/ui: import of src/ui3 from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213
67bfe9f274f6 src/ui: import of src/ui3 from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214 previous = userDataPrevious( (UserDataLink)window->user, doomed);
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parents:
diff changeset
215
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parents:
diff changeset
216 if( previous == NULL ) // <doomed> is the first element in the list.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 {
181
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diff changeset
218 window->user = (void *)doomed->next;
3
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parents:
diff changeset
219 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220 else
67bfe9f274f6 src/ui: import of src/ui3 from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 previous->next = doomed->next;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 }
67bfe9f274f6 src/ui: import of src/ui3 from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224
67bfe9f274f6 src/ui: import of src/ui3 from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 FREE_MEMORY( (void *)doomed, sizeof(UserDataElement));
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parents:
diff changeset
226
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 return oldData;
67bfe9f274f6 src/ui: import of src/ui3 from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 }
67bfe9f274f6 src/ui: import of src/ui3 from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 }