FreeCalypso > hg > freecalypso-citrine
annotate ccd/gsm5_v.c @ 46:38cf7fa65976
sprintf/float.c: rounding corner case bug
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 29 Sep 2017 03:23:01 +0000 |
parents | 75a11d740a02 |
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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 : gsm5_v.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 GSM5_V elements |
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18 +----------------------------------------------------------------------------- |
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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 GLOBAL, 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_gsm5v_decode | |
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57 +--------------------------------------------------------------------+ |
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58 |
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59 PURPOSE : Decoding of the GSM Type 5V element. This element |
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60 consists of the not decoded bits of the bitstream. |
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61 In the target C-structure this element is a bitbuffer |
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62 (T_xxx_BUF) in wich the bitstream content are written. |
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63 |
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64 */ |
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65 |
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66 SHORT cdc_gsm5v_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) |
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67 { |
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68 #ifdef DEBUG_CCD |
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69 #ifndef CCD_SYMBOLS |
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70 TRACE_CCD (globs, "cdc_gsm5v_decode()"); |
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71 #else |
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72 TRACE_CCD (globs, "cdc_gsm5v_decode() %s", ccddata_get_alias((USHORT) e_ref, 1)); |
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73 #endif |
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74 #endif |
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75 |
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76 if (globs->bitpos >= globs->buflen) |
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77 { |
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78 return 1; |
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79 } |
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80 else |
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81 { |
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82 ULONG cix_ref; |
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83 |
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84 cix_ref = melem[e_ref].calcIdxRef; |
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85 |
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86 /* |
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87 * if this element is conditional, check the condition |
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88 */ |
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89 if (calcidx[cix_ref].numCondCalcs NEQ 0 |
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90 AND ! ccd_conditionOK (e_ref, globs)) |
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91 { |
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92 return 1; |
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93 } |
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94 else |
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95 { |
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96 ULONG bits_to_read; |
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97 ULONG num_prolog_steps, prolog_step_ref; |
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98 |
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99 num_prolog_steps = calcidx[cix_ref].numPrologSteps; |
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100 prolog_step_ref = calcidx[cix_ref].prologStepRef; |
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101 |
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102 /* If there is a prologue given for this element, process it. */ |
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103 if (num_prolog_steps) |
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104 { |
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105 ccd_performOperations (num_prolog_steps, prolog_step_ref, globs); |
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106 } |
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107 |
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108 /* |
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109 * Setup the offset into the C-structure for this element |
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110 */ |
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111 globs->pstructOffs = melem[e_ref].structOffs; |
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112 |
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113 if (melem[e_ref].optional) |
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114 { |
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115 /* |
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116 * for optional elements set the valid-flag in the C-struct. |
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117 */ |
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118 globs->pstruct[globs->pstructOffs++] = TRUE; |
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119 } |
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120 |
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121 if (globs->maxBitpos < globs->buflen - 16*globs->numEOCPending) |
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122 { |
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123 ccd_recordFault (globs, ERR_LEN_MISMATCH, CONTINUE, (USHORT) e_ref, |
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124 globs->pstruct + globs->pstructOffs); |
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125 } |
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126 |
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127 bits_to_read = (ULONG)(globs->buflen - globs->bitpos - 16*globs->numEOCPending); |
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128 bf_readBitChunk (bits_to_read, globs); |
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129 } |
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130 } |
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131 |
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132 return 1; |
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133 } |
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134 #endif /* !RUN_INT_RAM */ |
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135 |
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136 #ifndef RUN_INT_RAM |
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137 /* |
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138 +--------------------------------------------------------------------+ |
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139 | PROJECT : CCD (6144) MODULE : CDC_GSM | |
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140 | STATE : code ROUTINE : cdc_gsm5v_encode | |
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141 +--------------------------------------------------------------------+ |
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142 |
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143 PURPOSE : Encoding of the GSM Type 5V element. This element |
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144 consists of the not decoded bits of the bitstream. |
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145 In the target C-structure this element is a bitbuffer |
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146 (T_xxx_BUF) from wich the bitstream content is read. |
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147 |
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148 */ |
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149 |
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150 SHORT cdc_gsm5v_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) |
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151 { |
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152 ULONG cix_ref, num_prolog_steps, prolog_step_ref; |
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153 |
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154 #ifdef DEBUG_CCD |
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155 #ifndef CCD_SYMBOLS |
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156 TRACE_CCD (globs, "cdc_gsm5v_encode()"); |
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157 #else |
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158 TRACE_CCD (globs, "cdc_gsm5v_encode() %s", ccddata_get_alias((USHORT) e_ref, 1)); |
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159 #endif |
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160 #endif |
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161 |
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162 cix_ref = melem[e_ref].calcIdxRef; |
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163 num_prolog_steps = calcidx[cix_ref].numPrologSteps; |
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164 prolog_step_ref = calcidx[cix_ref].prologStepRef; |
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165 |
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166 /* |
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167 * if this element is conditional, check the condition |
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168 */ |
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169 if (calcidx[cix_ref].numCondCalcs NEQ 0 |
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170 AND ! ccd_conditionOK (e_ref, globs)) |
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171 return 1; |
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172 |
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173 /* |
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174 * if this element have a defined Prolog |
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175 * we have to process it before decoding the bitstream |
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176 */ |
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177 if (num_prolog_steps) |
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178 { |
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179 ccd_performOperations (num_prolog_steps, prolog_step_ref, globs); |
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180 } |
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181 |
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182 /* |
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183 * Setup the offset into the C-structure for this element |
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184 */ |
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185 globs->pstructOffs = melem[e_ref].structOffs; |
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186 |
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187 if (melem[e_ref].optional) |
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188 { |
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189 /* |
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190 * for optional elements check the valid-flag in the C-struct. |
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191 * Spare elements does not have a corresponding valid flag. |
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192 */ |
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193 if (globs->pstruct[globs->pstructOffs++] == FALSE) |
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194 { |
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195 return 1; |
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196 } |
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197 #ifdef DEBUG_CCD |
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198 else if (globs->pstruct [melem[e_ref].structOffs] != TRUE) |
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199 { |
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200 TRACE_CCD (globs, "Ambiguous value for valid flag!\n...assumed 1 for ccdID=%d", |
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201 e_ref); |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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202 } |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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203 #endif |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
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204 } |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
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205 |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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206 bf_writeBitChunk (mvar[melem[e_ref].elemRef].bSize, globs); |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
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207 |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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208 return 1; |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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209 } |
75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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210 #endif /* !RUN_INT_RAM */ |