FreeCalypso > hg > fc-magnetite
annotate src/g23m-aci/aci/plmn_decoder.c @ 554:28ed4002131a
configs/* except classic and hybrid-gpf: all parts of TCS211 GPF
for which we found exact corresponding sources are now rebuilt
from those sources; only OSL and OSX remain as blobs,
plus CCD for non-hybrid configs
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 19 Nov 2018 00:12:20 +0000 |
parents | 53929b40109c |
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rev | line source |
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1 /* plmn_decoder.cpp : Defines the entry point for the console application. */ |
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2 |
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3 #include <assert.h> |
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4 #include <stdio.h> |
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5 #include <stddef.h> |
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6 #include <stdlib.h> |
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7 #include <string.h> |
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8 |
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9 #ifdef TI_PS_OP_OPN_TAB_ROMBASED |
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10 #ifndef CMH_PLMN_DECODER_C |
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11 #define CMH_PLMN_DECODER_C |
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12 #endif |
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13 |
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14 #include "aci_all.h" |
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15 |
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16 /*==== INCLUDES ===================================================*/ |
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17 |
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18 #include "aci_cmh.h" |
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19 #include "ati_cmd.h" |
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20 #include "aci_cmd.h" |
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21 #include "aci_mem.h" |
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22 #include "pcm.h" |
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23 |
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24 #ifdef TI_PS_OP_OPN_TAB_ROMBASED |
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25 #include "rom_tables.h" |
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26 #endif /* TI_PS_OP_OPN_TAB_ROMBASED */ |
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27 |
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28 |
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29 #ifdef FAX_AND_DATA |
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30 #include "aci_fd.h" |
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31 #endif /* of #ifdef FAX_AND_DATA */ |
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32 |
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33 #include "aci.h" |
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34 #include "psa.h" |
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35 #include "psa_mm.h" |
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36 #include "psa_sim.h" |
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37 #include "psa_util.h" |
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38 #include "cmh.h" |
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39 |
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40 |
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41 |
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42 #define PLMN_LONGNAME_LOOKUP 0xff |
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43 |
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44 EXTERN void cmhSIM_getMncMccFrmPLMNsel( const UBYTE* ntry, |
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45 SHORT* mcc, |
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46 SHORT* mnc ); |
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47 |
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48 /* NHK: |
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49 * Once the tables plmn_compressed, plmn_dict_offset and plmn_dict go to ROM, their names below should match corresponding ROM addresses |
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50 * KSR: Moved to g23m\condat\com\src\drivers\rom_tables.c |
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51 */ |
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52 |
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53 /* |
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54 +----------------------------------------------------------------------------+ |
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55 | PROJECT : GSM-PS (6147) MODULE : MM_MM | |
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56 | STATE : code ROUTINE : cmhMM_CompLongLength | |
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57 +----------------------------------------------------------------------------+ |
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58 |
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59 PURPOSE : This function gets the compressed length of the longName |
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60 from a compressed PLMN entry. |
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61 |
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62 */ |
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63 LOCAL USHORT cmhMM_CompLongLength (const UBYTE *plmn_comp_entry) |
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64 { |
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65 UBYTE length_byte; |
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66 |
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67 length_byte = *(plmn_comp_entry + 3); |
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68 |
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69 return ((length_byte >> 3) & 0x1f) + 1; |
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70 } |
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71 |
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72 /* |
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73 +----------------------------------------------------------------------------+ |
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74 | PROJECT : GSM-PS (6147) MODULE : MM_MM | |
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75 | STATE : code ROUTINE : cmhMM_CompShrtLength | |
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76 +----------------------------------------------------------------------------+ |
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77 |
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78 PURPOSE : This function gets the compressed length of the shrtName |
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79 from a compressed PLMN entry. |
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80 |
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81 */ |
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82 LOCAL USHORT cmhMM_CompShrtLength (const UBYTE *plmn_comp_entry) |
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83 { |
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84 UBYTE length_byte; |
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85 |
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86 length_byte = *(plmn_comp_entry + 3); |
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87 |
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88 return ((length_byte ) & 0x07) + 1; |
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89 } |
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90 |
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91 |
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92 /* |
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93 +----------------------------------------------------------------------------+ |
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94 | PROJECT : GSM-PS (6147) MODULE : MM_MM | |
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95 | STATE : code ROUTINE : cmhMM_PlmnEntryLength | |
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96 +----------------------------------------------------------------------------+ |
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97 |
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98 PURPOSE : This function gets the length of a compressed PLMN entry. |
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99 |
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100 */ |
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101 GLOBAL USHORT cmhMM_PlmnEntryLength (const UBYTE *plmn_comp_entry) |
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102 { |
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103 return (4 + cmhMM_CompLongLength (plmn_comp_entry) |
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104 + cmhMM_CompShrtLength (plmn_comp_entry)); |
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105 } |
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106 |
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107 |
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108 /* |
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109 +----------------------------------------------------------------------------+ |
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110 | PROJECT : GSM-PS (6147) MODULE : MM_MM | |
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111 | STATE : code ROUTINE : cmhMM_Decompress | |
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112 +----------------------------------------------------------------------------+ |
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113 |
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114 PURPOSE : This function decompresses a compressed string. |
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115 If the decompressed string is the long PLMN name the longName |
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116 parameter is NULL, when the decompressed string is the short |
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117 PLMN name the longName parameter is the previously decompressed |
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118 PLMN long name, as in some cases the short PLMN name consists of |
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119 parts of the long PLMN name lookups within the decompressed long |
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120 name will be done when advised to do so by the compressed byte |
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121 string. |
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122 On success the function returns with zero, on detection of an |
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123 internal error a negative value is returned. |
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124 |
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125 */ |
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126 LOCAL SHORT cmhMM_Decompress (char *decomp_string, |
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127 const char *longName, |
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128 const UBYTE *comp_string, |
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129 USHORT comp_length) |
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130 { |
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131 USHORT offset; |
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132 USHORT length; |
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133 |
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134 while (comp_length > 0) |
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135 { |
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136 if (*comp_string < 128) |
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137 { |
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138 /* GSM default alphabet. Take character 1:1 */ |
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139 *decomp_string = *comp_string; |
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140 decomp_string++; |
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141 } |
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142 else if (*comp_string EQ PLMN_LONGNAME_LOOKUP) |
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143 { |
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144 if ((longName EQ NULL) OR (comp_length <= 1)) |
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145 { |
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146 TRACE_ERROR ("Cannot process longName lookup"); |
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147 return -1; |
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148 } |
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149 |
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150 /* Decoding short name. Lookup into long name */ |
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151 |
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152 /* Skip PLMN_LONGNAME_LOOKUP */ |
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153 comp_string++; |
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154 comp_length--; |
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155 |
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156 /* Get offset and length of substring in long name */ |
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157 offset = (*comp_string >> 3) & 0x1f; |
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158 length = (*comp_string & 0x07) + 1; |
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159 memcpy (decomp_string, longName + offset, length); |
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160 decomp_string += length; |
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161 } |
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162 else |
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163 { |
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164 /* Dictionary lookup */ |
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165 |
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166 /* Get offset of dictionary entry */ |
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167 offset = *(ptr_plmn_dict_offset + (*comp_string - 128)); |
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168 |
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169 /* Get length of dictionary entry */ |
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170 length = *(ptr_plmn_dict_offset + (*comp_string - 128 + 1)) - offset; |
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171 memcpy (decomp_string, ptr_plmn_dict + offset, length); |
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172 decomp_string += length; |
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173 } |
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174 comp_string++; |
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175 comp_length--; |
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176 } |
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177 decomp_string = '\0'; |
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178 return 0; |
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179 } |
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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 | PROJECT : GSM-PS (6147) MODULE : MM_MM | |
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185 | STATE : code ROUTINE : cmhMM_decodePlmn | |
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186 +----------------------------------------------------------------------------+ |
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187 |
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188 PURPOSE : This function decodes a compressed PLMN entry into a decompressed |
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189 T_OPER_ENTRY structure. On success this function returns with |
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190 zero, if during decompression an internal error is detected the |
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191 function returns with a negative value. |
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192 |
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193 */ |
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194 GLOBAL SHORT cmhMM_decodePlmn (T_OPER_ENTRY *oper, const UBYTE *plmn_comp_entry) |
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195 { |
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196 SHORT mcc; /* Mobile Country Code */ |
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197 SHORT mnc; /* Mobile Network Code */ |
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198 USHORT comp_Length; /* Compressed string length */ |
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199 SHORT result; /* Decompression result */ |
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200 const UBYTE *comp_ptr; /* Compressed PLMNs pointer */ |
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201 |
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202 memset (oper, 0, sizeof (T_OPER_ENTRY)); |
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203 |
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204 cmhSIM_getMncMccFrmPLMNsel (plmn_comp_entry, &mcc, &mnc); |
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205 oper->mcc = mcc; |
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206 oper->mnc = mnc; |
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207 |
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208 if (mcc EQ -1) |
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209 return -1; /* Got end of list, not processing further */ |
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210 |
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211 /* Decompress longName */ |
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212 comp_ptr = plmn_comp_entry + 4; |
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213 comp_Length = cmhMM_CompLongLength (plmn_comp_entry); |
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214 result = cmhMM_Decompress (oper->longName, NULL, |
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215 comp_ptr, comp_Length); |
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216 if (result < 0) |
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217 return result; |
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218 |
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219 /* Decompress shrtName */ |
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220 comp_ptr += comp_Length; |
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221 comp_Length = cmhMM_CompShrtLength (plmn_comp_entry); |
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222 result = cmhMM_Decompress (oper->shrtName, oper->longName, |
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223 comp_ptr, comp_Length); |
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224 return result; |
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225 } |
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226 |
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227 #endif |