FreeCalypso > hg > fc-magnetite
annotate src/gpf3/ccd/asn1_bitstr.c @ 376:3f1a587b3a84
doc/Voice-pseudo-modem written
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 13 Jan 2018 00:40:14 +0000 |
parents | c41a534f33c6 |
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rev | line source |
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : |
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4 | Modul : asn1_bitstr.c |
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5 +----------------------------------------------------------------------------- |
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6 | Copyright 2002 Texas Instruments Berlin, AG |
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7 | All rights reserved. |
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8 | |
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9 | This file is confidential and a trade secret of Texas |
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10 | Instruments Berlin, AG |
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11 | The receipt of or possession of this file does not convey |
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12 | any rights to reproduce or disclose its contents or to |
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13 | manufacture, use, or sell anything it may describe, in |
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14 | whole, or in part, without the specific written consent of |
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15 | Texas Instruments Berlin, AG. |
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16 +----------------------------------------------------------------------------- |
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17 | Purpose : Definition of encoding and decoding functions for ASN1_BITSTRING |
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18 | elements |
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19 +----------------------------------------------------------------------------- |
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20 */ |
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21 |
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22 /* |
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23 * Standard definitions like UCHAR, ERROR etc. |
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24 */ |
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25 #include "typedefs.h" |
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26 #include "header.h" |
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27 |
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28 /* |
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29 * Prototypes of ccd (USE_DRIVER EQ undef) for prototypes only |
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30 * look at ccdapi.h |
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31 */ |
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32 #undef USE_DRIVER |
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33 #include "ccdapi.h" |
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34 |
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35 /* |
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36 * Types and functions for bit access and manipulation |
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37 */ |
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38 #include "ccd_globs.h" |
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39 #include "bitfun.h" |
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40 |
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41 /* |
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42 * Prototypes of ccd internal functions |
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43 */ |
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44 #include "ccd.h" |
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45 |
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46 /* |
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47 * Declaration of coder/decoder tables |
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48 */ |
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49 #include "ccdtable.h" |
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50 #include "ccddata.h" |
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51 |
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52 #ifndef RUN_INT_RAM |
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53 /* |
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54 +--------------------------------------------------------------------+ |
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55 | PROJECT : CCD (6144) MODULE : CDC_GSM | |
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56 | STATE : code ROUTINE : cdc_bitstring_decode | |
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57 +--------------------------------------------------------------------+ |
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58 |
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59 PURPOSE : UNALIGNED PER decoding of the bit string type (UMTS) |
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60 The coded bits are preceded by a length indicator, if |
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61 they are not of fixed length. The length indicator is |
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62 decoded as an ASN1_INTEGER type. |
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63 */ |
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64 |
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65 SHORT cdc_bitstring_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) |
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66 { |
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67 ULONG repeat; |
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68 U8 *old_pstruct = NULL; |
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69 |
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70 #ifdef DEBUG_CCD |
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71 #ifndef CCD_SYMBOLS |
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72 TRACE_CCD (globs, "cdc_asn1_bitstring_decode()"); |
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73 #else |
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74 TRACE_CCD (globs, "cdc_asn1_bitstring_decode() '%s'", ccddata_get_alias((USHORT) e_ref, 1)); |
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75 #endif |
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76 #endif |
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77 |
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78 /* |
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79 * Set pstrcutOffs and maxRep. |
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80 * Check the valid flag in case of optional elements. |
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81 */ |
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82 if (PER_CommonBegin (e_ref, &repeat, globs) NEQ ccdOK) |
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83 return 1; |
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84 |
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85 #ifdef DYNAMIC_ARRAYS |
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86 /* |
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87 * Check for pointer types, and allocate memory if necessary. |
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88 * May overwrite globs->pstruct (and initialize globs->pstructOffs to 0). |
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89 */ |
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90 if ( is_pointer_type(e_ref) ) { |
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91 old_pstruct = globs->pstruct; |
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92 if ( PER_allocmem_and_update(e_ref, (USHORT) ((repeat >> 3) +1), globs) NEQ ccdOK) |
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93 /* No memory - Return. Error already set in function call above. */ |
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94 return 1; |
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95 } |
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96 #endif |
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97 |
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98 bf_readBitStr_PER ((USHORT) repeat, globs); |
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99 |
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100 #ifdef DYNAMIC_ARRAYS |
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101 if (old_pstruct NEQ NULL) |
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102 globs->pstruct = old_pstruct; |
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103 #endif |
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104 |
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105 return 1; |
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106 } |
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107 |
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108 #endif /* !RUN_INT_RAM */ |
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109 #ifndef RUN_INT_RAM |
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110 |
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111 /* |
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112 +--------------------------------------------------------------------+ |
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113 | PROJECT : CCD (6144) MODULE : CDC_GSM | |
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114 | STATE : code ROUTINE : cdc_bitstring_encode | |
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115 +--------------------------------------------------------------------+ |
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116 |
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117 PURPOSE : UNALIGNED PER encoding of the bit string type (UMTS) |
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118 The coded bits are preceded by a length indicator, if |
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119 they are not of fixed length. The length indicator is |
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120 decoded as an ASN1_INTEGER type. |
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121 */ |
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122 |
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123 SHORT cdc_bitstring_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) |
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124 { |
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125 ULONG repeat; |
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126 U8 *old_pstruct = NULL; |
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127 |
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128 #ifdef DEBUG_CCD |
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129 #ifndef CCD_SYMBOLS |
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130 TRACE_CCD (globs, "cdc_asn1_bitstring_encode()"); |
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131 #else |
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132 TRACE_CCD (globs, "cdc_asn1_bitstring_encode() '%s'", ccddata_get_alias((USHORT) e_ref, 1)); |
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133 #endif |
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134 #endif |
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135 |
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136 /* |
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137 * Set pstructOffs and maxRep. |
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138 * Check the valid flag in case of optional elements. |
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139 */ |
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140 if (PER_CommonBegin (e_ref, &repeat, globs) NEQ ccdOK) |
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141 return 1; |
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142 |
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143 #ifdef DYNAMIC_ARRAYS |
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144 if ( is_pointer_type(e_ref) ) { |
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145 old_pstruct = globs->pstruct; |
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146 globs->pstruct = *(U8 **)(globs->pstruct + globs->pstructOffs); |
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147 |
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148 if (ccd_check_pointer(globs->pstruct) == ccdOK) |
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149 { |
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150 globs->pstructOffs = 0; |
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151 } |
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152 else |
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153 { |
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154 ccd_recordFault (globs, ERR_INVALID_PTR, BREAK, (USHORT) e_ref, |
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155 &globs->pstruct[globs->pstructOffs]); |
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156 return 1; |
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157 } |
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158 } |
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159 #endif |
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160 |
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161 bf_writeBitStr_PER ((USHORT) repeat, globs); |
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162 |
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163 #ifdef DYNAMIC_ARRAYS |
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164 if ( old_pstruct NEQ NULL ) |
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165 globs->pstruct = old_pstruct; |
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166 #endif |
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167 |
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168 return 1; |
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169 } |
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170 #endif /* !RUN_INT_RAM */ |