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1 /* |
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2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Contains the source for Descriptor8 to char * conversions |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #include "libutils.h" |
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21 |
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22 |
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23 |
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24 /** |
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25 * Converts a descriptor of type TBuf8 to char* |
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26 * @param aSrc is the descriptor of type TBuf8 that is to be converted to char* |
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27 * @param aDes is a char* that will hold the result after conversion. Care should be taken to |
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28 * allocate sufficient amount of memory to char* in the calling function. The amount of memory that is |
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29 * being allocated to the char* is being made known using n_size |
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30 * @param n_size is the size of the char*. This should have a minimum value equal to size of the |
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31 * descriptor. Incase its less, the conversion is going to fail and returns the corresponding error code |
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32 */ |
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33 |
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34 EXPORT_C int Tbuf8ToChar(TDes8& aSrc, char* aDes, int& n_size) |
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35 { |
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36 unsigned int ilen = aSrc.Length(); |
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37 |
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38 if (0 == ilen) |
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39 { |
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40 return EDescriptorNoData; |
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41 } |
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42 else if(!aDes) |
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43 { |
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44 return EInvalidPointer; |
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45 } |
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46 else if (n_size < (ilen+1)) |
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47 { |
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48 n_size = ilen + 1; |
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49 return EInvalidSize; |
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50 } |
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51 |
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52 memcpy(aDes , (const char *)aSrc.Ptr(), ilen); |
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53 |
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54 aDes[ilen] = '\0'; |
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55 |
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56 return ESuccess; |
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57 } |
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58 |
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59 /** |
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60 * Converts a descriptor of type TBufC8 to char* |
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61 * @param aSrc is the descriptor of type TBufC8 that is to be converted to char* |
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62 * @param aDes is a char* that will hold the result after conversion. Care should be taken to |
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63 * allocate sufficient amount of memory to char* in the calling function. The amount of memory that is |
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64 * being allocated to the char* is being made known using n_size |
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65 * @param n_size is the size of the char*. This should have a minimum value equal to size of the |
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66 * descriptor. Incase its less, the conversion is going to fail and returns the corresponding error code |
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67 */ |
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68 |
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69 EXPORT_C int Tbufc8ToChar(TDesC8& aSrc, char* aDes, int& n_size) |
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70 { |
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71 unsigned int ilen = aSrc.Length(); |
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72 |
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73 if (0 == ilen) |
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74 { |
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75 return EDescriptorNoData; |
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76 } |
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77 else if(!aDes) |
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78 { |
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79 return EInvalidPointer; |
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80 } |
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81 else if(n_size < ilen+1) |
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82 { |
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83 n_size = ilen; |
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84 return EInvalidSize; |
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85 } |
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86 |
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87 memcpy(aDes, aSrc.Ptr(), ilen); |
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88 aDes[ilen] = '\0'; |
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89 |
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90 return ESuccess; |
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91 } |
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92 |
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93 /** |
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94 * Converts a descriptor of type TLitC8 to char* |
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95 * @param aSrc is the descriptor of type TLitC8 that is to be converted to char* |
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96 * @param aDes is a char* that will hold the result after conversion. Care should be taken to |
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97 * allocate sufficient amount of memory to char* in the calling function. The amount of memory that is |
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98 * being allocated to the char* is being made known using n_size |
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99 * @param n_size is the size of the char*. This should have a minimum value equal to size of the |
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100 * descriptor. Incase its less, the conversion is going to fail and returns the corresponding error code |
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101 */ |
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102 |
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103 EXPORT_C int Tlitc8ToChar(const TDesC8& aSrc, char* aDes, int& n_size) |
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104 { |
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105 unsigned int ilen = aSrc.Length(); |
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106 |
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107 if (0 == ilen ) |
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108 { |
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109 return EDescriptorNoData; |
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110 } |
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111 else if(!aDes) |
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112 { |
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113 return EInvalidPointer; |
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114 } |
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115 else if (n_size < ilen ) |
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116 { |
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117 n_size = ilen + 1; |
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118 return EInvalidSize; |
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119 } |
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120 |
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121 memcpy(aDes, (char *)aSrc.Ptr(), ilen); |
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122 aDes[ilen] = '\0'; |
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123 |
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124 return ESuccess; |
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125 } |
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126 |
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127 |
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128 /** |
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129 * Converts a descriptor of type TPtr8 to character stream |
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130 * |
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131 * @param aSrc is the descriptor to be converted , aDes is the |
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132 * reference to the character sream where the result of conversion |
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133 * is stored , n_size specifies the conversion size of the string |
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134 * @return Status code (0 is ESuccess, -2 is EInvalidSize , |
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135 * -4 is EInvalidPointer) |
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136 */ |
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137 EXPORT_C int Tptr8ToChar(const TDes8& aSrc, char* aDes, int& n_size) |
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138 { |
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139 unsigned int ilen = aSrc.Length(); |
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140 |
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141 if (0 == ilen) |
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142 { |
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143 return EDescriptorNoData; |
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144 } |
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145 else if ( !aDes ) |
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146 { |
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147 return EInvalidPointer; |
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148 } |
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149 else if (n_size < ilen) |
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150 { |
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151 n_size = ilen + 1; |
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152 return EInvalidSize; |
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153 } |
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154 |
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155 memcpy(aDes , (const char *)aSrc.Ptr(), ilen); |
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156 aDes[ilen] = '\0'; |
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157 |
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158 return ESuccess; |
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159 } |
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160 |
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161 /** |
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162 * Converts a descriptor of type TPtrC8 to character stream |
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163 * |
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164 * @param aSrc is the descriptor to be converted , aDes is the |
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165 * reference to the character sream where the result of conversion |
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166 * is stored , n_size specifies the conversion size of the string |
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167 * @return Status code (0 is ESuccess, -2 is EInvalidSize , |
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168 * -4 is EInvalidPointer) |
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169 */ |
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170 EXPORT_C int Tptrc8ToCharp(TPtrC8& aSrc, char* aDes, int& n_size) |
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171 { |
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172 unsigned int ilen = aSrc.Length(); |
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173 if (0 == ilen) |
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174 { |
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175 return EDescriptorNoData; |
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176 } |
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177 else if ( !aDes ) |
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178 { |
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179 return EInvalidPointer; |
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180 } |
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181 else if (n_size < ilen) |
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182 { |
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183 n_size = ilen + 1; |
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184 return EInvalidSize; |
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185 } |
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186 |
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187 memcpy(aDes , aSrc.Ptr(), ilen); |
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188 aDes[ilen] = '\0'; |
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189 |
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190 return ESuccess; |
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191 } |
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192 |
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193 /** |
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194 * Converts a descriptor of type RBuf8 to character stream |
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195 * |
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196 * @param aSrc is the descriptor to be converted , aDes is the |
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197 * reference to the character sream where the result of conversion |
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198 * is stored , n_size specifies the conversion size of the string |
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199 * @return Status code (0 is ESuccess, -2 is EInvalidSize , |
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200 * -4 is EInvalidPointer , -5 is EDescriptorNoData) |
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201 */ |
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202 |
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203 EXPORT_C int Rbuf8ToChar(TDes8& aSrc, char* aDes, int& n_size) |
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204 { |
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205 unsigned int ilen = aSrc.Length(); |
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206 |
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207 if (0 == ilen) |
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208 { |
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209 return EDescriptorNoData; |
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210 } |
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211 else if ( !aDes ) |
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212 { |
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213 return EInvalidPointer; |
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214 } |
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215 else if (n_size < ilen) |
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216 { |
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217 n_size = ilen + 1; |
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218 return EInvalidSize; |
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219 } |
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220 |
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221 memcpy (aDes,(char *)aSrc.Ptr(), ilen); |
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222 aDes[ilen] = '\0'; |
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223 |
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224 return ESuccess; |
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225 } |
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226 |
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227 /** |
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228 * Converts a descriptor of type HBufC8 to character stream |
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229 * |
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230 * @param aSrc is the descriptor to be converted , aDes is the |
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231 * reference to the character sream where the result of conversion |
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232 * is stored , n_size specifies the conversion size of the string |
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233 * @return Status code (0 is ESuccess, -2 is EInvalidSize , |
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234 * -4 is EInvalidPointer , -5 is EDescriptorNoData) |
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235 */ |
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236 |
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237 EXPORT_C int Hbufc8ToChar(HBufC8 *aSrc, char* aDes, int& n_size) |
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238 { |
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239 unsigned int ilen = 0; |
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240 |
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241 if ( !aDes || !aSrc) |
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242 { |
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243 return EInvalidPointer; |
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244 } |
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245 else |
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246 { |
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247 ilen = aSrc->Length(); |
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248 if (0 == ilen) |
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249 { |
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250 return EDescriptorNoData; |
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251 } |
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252 else if (n_size < ilen) |
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253 { |
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254 n_size = ilen + 1; |
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255 return EInvalidSize; |
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256 } |
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257 } |
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258 |
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259 memcpy (aDes,(char *)aSrc->Ptr(), ilen); |
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260 aDes[ilen] = '\0'; |
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261 |
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262 return ESuccess; |
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263 } |