FreeCalypso > hg > fc-magnetite
annotate src/gpf3/ccd/csn1_choice_x.c @ 516:1ed9de6c90bd
src/g23m-gsm/sms/sms_for.c: bogus malloc removed
The new error handling code that was not present in TCS211 blob version
contains a malloc call that is bogus for 3 reasons:
1) The memory allocation in question is not needed in the first place;
2) libc malloc is used instead of one of the firmware's proper ways;
3) The memory allocation is made inside a function and then never freed,
i.e., a memory leak.
This bug was caught in gcc-built FreeCalypso fw projects (Citrine
and Selenite) because our gcc environment does not allow any use of
libc malloc (any reference to malloc produces a link failure),
but this code from TCS3.2 is wrong even for Magnetite: if this code
path is executed repeatedly over a long time, the many small allocations
made by this malloc call without a subsequent free will eventually
exhaust the malloc heap provided by the TMS470 environment, malloc will
start returning NULL, and the bogus code will treat it as an error.
Because the memory allocation in question is not needed at all,
the fix entails simply removing it.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 22 Jul 2018 06:04:49 +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 : CCD |
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4 | Modul : csn1_choice_x.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 CSN1_CHOICE2 |
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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 * standard definitions like GLOBAL, UCHAR, ERROR etc. |
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23 */ |
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24 #include "typedefs.h" |
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25 #include "header.h" |
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26 |
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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 #include "ccd_codingtypes.h" |
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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 EXTERN T_FUNC_POINTER codec[MAX_CODEC_ID+1][2]; |
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53 |
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54 #ifndef RUN_INT_RAM |
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55 /* Attention for RUN_...: static function */ |
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56 |
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57 static void decode_csn1_choice_alternative(const ULONG e_ref, T_ENUM union_tag, |
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58 T_CCD_Globs *globs); |
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59 static void encode_csn1_choice_alternative(const ULONG e_ref, T_ENUM union_tag, |
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60 T_CCD_Globs *globs); |
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61 #endif /* !RUN_INT_RAM */ |
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62 |
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63 |
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64 #ifndef RUN_INT_RAM |
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65 /* Attention for RUN_...: static function */ |
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66 /* |
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67 +--------------------------------------------------------------------+ |
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68 | PROJECT : CCD (6144) MODULE : csn1_choice1 | |
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69 | STATE : code ROUTINE : decode_csn1_choice_alternative | |
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70 +--------------------------------------------------------------------+ |
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71 |
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72 PURPOSE : Decode a chosen alternative of a CSN.1 CHOICE type |
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73 Use the parameter union_tag to read the CHOICE index. |
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74 Because of union_tag it is easy to calculate the elemRef |
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75 for the chosen element which is to be decoded. Then the |
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76 appropriate decoding function for the chosen element is |
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77 called. |
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78 */ |
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79 static void decode_csn1_choice_alternative(const ULONG e_ref, T_ENUM union_tag, |
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80 T_CCD_Globs *globs) |
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81 { |
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82 ULONG elem_ref, mcomp_ref; |
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83 UBYTE *act_structpos; |
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84 |
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85 mcomp_ref= melem[e_ref].elemRef; |
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86 /* |
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87 * Write the CHOICE tag value in the C-structure. |
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88 * Calculate the elem_ref for the chosen element. |
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89 */ |
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90 *(T_ENUM *) (globs->pstruct+globs->pstructOffs) = union_tag; |
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91 elem_ref = mcomp[mcomp_ref].componentRef + (ULONG) union_tag; |
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92 |
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93 #ifdef DEBUG_CCD |
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94 #ifndef CCD_SYMBOLS |
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95 TRACE_CCD (globs, "decode_csn1_choice_alternative()"); |
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96 #else |
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97 TRACE_CCD (globs, "decode_csn1_choice_alternative() %s", ccddata_get_alias((USHORT)e_ref, 1)); |
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98 #endif |
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99 #endif |
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100 |
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101 /* |
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102 * Store the actual structure position. |
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103 */ |
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104 act_structpos = globs->pstruct; |
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105 globs->pstruct += (globs->pstructOffs + sizeof(T_ENUM)); |
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106 /* |
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107 * Use the jump-table for selecting the decode function |
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108 * Call the decode function for the chosen element. |
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109 */ |
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110 (void) codec[melem[elem_ref].codingType][DECODE_FUN] |
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111 (mcomp_ref, elem_ref, globs); |
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112 /* |
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113 * Restore the write pointer to prepare decoding of the next element |
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114 */ |
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115 globs->pstruct = act_structpos; |
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116 } |
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117 #endif /* !RUN_INT_RAM */ |
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118 |
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119 |
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120 #ifndef RUN_INT_RAM |
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121 /* Attention for RUN_...: static function */ |
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122 /* |
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123 +--------------------------------------------------------------------+ |
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124 | PROJECT : CCD (6144) MODULE : csn1_choice1 | |
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125 | STATE : code ROUTINE : encode_csn1_choice_alternative | |
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126 +--------------------------------------------------------------------+ |
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127 |
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128 PURPOSE : Encode a chosen alternative of a CSN.1 CHOICE type. |
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129 |
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130 Because of union_tag it is easy to calculate the e_ref for |
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131 the chosen element to be encoded. Then the appropriate |
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132 encoding function for the chosen element is called. |
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133 */ |
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134 static void encode_csn1_choice_alternative (const ULONG e_ref, T_ENUM union_tag, |
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135 T_CCD_Globs *globs) |
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136 { |
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137 ULONG elem_ref, mcomp_ref; |
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138 UBYTE *act_structpos; |
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139 |
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140 mcomp_ref= melem[e_ref].elemRef; |
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141 |
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142 /* |
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143 * Calculate the elem_ref for the chosen element. |
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144 */ |
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145 elem_ref = mcomp[mcomp_ref].componentRef + (ULONG) union_tag; |
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146 |
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147 #ifdef DEBUG_CCD |
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148 #ifndef CCD_SYMBOLS |
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149 TRACE_CCD (globs, "encode_csn1_choice_alternative()"); |
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150 #else |
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151 TRACE_CCD (globs, "encode_csn1_choice_alternative() %s", ccddata_get_alias((USHORT)e_ref, 1)); |
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152 #endif |
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153 #endif |
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154 |
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155 /* |
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156 * Store the actual structure position. |
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157 */ |
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158 act_structpos = globs->pstruct; |
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159 globs->pstruct += (globs->pstructOffs + sizeof(T_ENUM)); |
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160 /* |
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161 * Use the jump-table for selecting the encode function |
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162 * Call the encode function for the chosen element. |
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163 */ |
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164 (void) codec[melem[elem_ref].codingType][ENCODE_FUN] |
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165 (mcomp_ref, elem_ref, globs); |
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166 /* |
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167 * Restore the write pointer to prepare decoding of the next element |
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168 */ |
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169 globs->pstruct = act_structpos; |
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170 } |
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171 #endif /* !RUN_INT_RAM */ |
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172 |
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173 |
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174 #ifndef RUN_INT_RAM/* |
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175 +-----------------------------------------------------------------------+ |
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176 | PROJECT : CCD (6144) MODULE : CCD | |
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177 | STATE : code ROUTINE : cdc_csn1_choice_x_decode | |
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178 +-----------------------------------------------------------------------+ |
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179 |
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180 PURPOSE : Decode CSN.1 CHOICE type |
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181 In the header file the structure containing an element of |
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182 coding type CSN1_CHOICE is represented by a structure |
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183 type declaration. |
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184 This structure type is composed at least of a control item |
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185 preceding an item of an union type. The control item |
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186 indicates the CHOICE index. The item of the union type |
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187 represents the CHOICE alternatives. |
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188 The CHOICE index is "num" bits long. It is read from the |
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189 message bit string and the result is written to the control |
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190 item. CCD determes "elemRef" depending on this control item |
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191 and processes the union element according to table entry |
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192 of "elemRef" . |
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193 */ |
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194 |
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195 SHORT cdc_csn1_choice_x_decode (const ULONG c_ref, const ULONG e_ref, |
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196 ULONG num, T_CCD_Globs *globs) |
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197 { |
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198 ULONG union_tag, num_of_alt, num_of_comps; |
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199 ULONG cix_ref, num_prolog_steps, prolog_step_ref; |
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200 |
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201 #ifdef DEBUG_CCD |
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202 #ifndef CCD_SYMBOLS |
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203 TRACE_CCD (globs, "cdc_csn1_choice1_decode()"); |
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204 #else |
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205 TRACE_CCD (globs, "cdc_csn1_choice1_decode() %s", ccddata_get_alias((USHORT)e_ref, 1)); |
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206 #endif |
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207 #endif |
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208 |
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209 cix_ref = melem[e_ref].calcIdxRef; |
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210 num_prolog_steps = calcidx[cix_ref].numPrologSteps; |
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211 prolog_step_ref = calcidx[cix_ref].prologStepRef; |
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212 |
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213 /* |
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214 * If this element is conditional, check the condition. |
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215 */ |
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216 if (calcidx[cix_ref].numCondCalcs NEQ 0 |
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217 AND ! ccd_conditionOK (e_ref, globs)) |
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218 return 1; |
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219 |
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220 /* |
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221 * If this element has a defined prologue |
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222 * we have to process it before decoding the bitstream. |
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223 */ |
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224 if (num_prolog_steps) |
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225 { |
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226 ccd_performOperations (num_prolog_steps, prolog_step_ref, globs); |
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227 } |
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228 |
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229 globs->pstructOffs = melem[e_ref].structOffs; |
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230 |
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231 if (melem[e_ref].optional) |
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232 { |
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233 /* Postpone optional flag setting for non-code transparent |
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234 * pointer types ('P', 'Q', 'R'). |
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235 * For these types, the optional flag is the pointer itself. |
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236 * These types cannot be set yet, as the pointer may be |
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237 * preceeded by a counter octet, a union tag id octet etc. |
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238 */ |
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239 if (melem[e_ref].elemType < 'P' OR melem[e_ref].elemType > 'R') |
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240 globs->pstruct[globs->pstructOffs++] = (UBYTE) TRUE; |
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241 } |
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242 |
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243 /* |
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244 * Get the number of alternatives from the C-structure. |
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245 */ |
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246 num_of_comps = mcomp[melem[e_ref].elemRef].numOfComponents; |
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247 /* Determine number of possible alternatives */ |
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248 num_of_alt = num <<1; |
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249 |
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250 /* read the bit representing the CHOICE index*/ |
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251 union_tag = bf_getBits(num, globs); |
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252 |
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253 /* Check number of alternatives */ |
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254 if (!num_of_comps) |
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255 { |
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256 /* Don't do anything for empty choices */ |
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257 return 1; |
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258 } |
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259 else if (num_of_comps != num_of_alt) |
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260 { |
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261 /* if the number of components doesn't match to number of possible |
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262 * examine whether the CHOICE index demands an impossible alternative |
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263 */ |
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264 if (union_tag > num_of_comps) |
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265 { |
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266 /* if CHOICE index demands an impossible alternative |
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267 * return an error and break decoding |
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268 */ |
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269 ccd_recordFault (globs, ERR_CSN1_CHOICE, BREAK, (USHORT) e_ref, |
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270 globs->pstruct+globs->pstructOffs); |
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271 } |
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272 else |
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273 { |
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274 ccd_recordFault (globs, ERR_CSN1_CHOICE, CONTINUE, (USHORT) e_ref, |
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275 globs->pstruct+globs->pstructOffs); |
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276 } |
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277 } |
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278 |
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279 /* |
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280 * Decode a chosen alternative of an CSN.1 CHOICE type |
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281 */ |
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282 decode_csn1_choice_alternative(e_ref, (T_ENUM) union_tag, globs); |
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283 return 1; |
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284 } |
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285 #endif /* !RUN_INT_RAM */ |
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286 |
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287 |
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288 |
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289 #ifndef RUN_INT_RAM |
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290 |
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291 /* |
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292 +----------------------------------------------------------------------+ |
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293 | PROJECT : CCD (6144) MODULE : csn1_choice1 | |
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294 | STATE : code ROUTINE : cdc_csn1_choice_x_encode | |
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295 +----------------------------------------------------------------------+ |
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296 |
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297 PURPOSE : Encoding of CHOICE1 type for UMTS |
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298 In the header file the structure containing an element of |
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299 coding type CSN1_CHOICE is represented by a structure |
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300 type declaration. |
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301 This structure type is composed at least of a control item |
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302 preceding an item of an union type. The control item |
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303 indicates the CHOICE index. The item of the union type |
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304 represents the CHOICE alternatives. |
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305 The CHOICE index is "num" bit long. Tts value is read |
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306 from the message structureand the result is written to the |
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307 bit string. CCD determines "elemRef" depending on this index |
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308 and processes the union element according to table entry |
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309 of "elemRef" . |
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310 */ |
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311 SHORT cdc_csn1_choice_x_encode (const ULONG c_ref, const ULONG e_ref, |
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312 ULONG num, T_CCD_Globs *globs) |
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313 { |
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314 ULONG union_tag, num_of_alt, num_of_comps; |
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315 ULONG cix_ref, num_prolog_steps, prolog_step_ref; |
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316 |
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317 #ifdef DEBUG_CCD |
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318 #ifndef CCD_SYMBOLS |
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319 TRACE_CCD (globs, "cdc_csn1_choice_encode()"); |
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320 #else |
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321 TRACE_CCD (globs, "cdc_csn1_choice_encode() %s", |
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322 mcomp[melem[e_ref].elemRef].name); |
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323 #endif |
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324 #endif |
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325 |
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326 cix_ref = melem[e_ref].calcIdxRef; |
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327 num_prolog_steps = calcidx[cix_ref].numPrologSteps; |
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328 prolog_step_ref = calcidx[cix_ref].prologStepRef; |
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parents:
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329 |
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parents:
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330 /* |
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331 * If this element is conditional, check the condition. |
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parents:
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332 */ |
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parents:
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333 if (calcidx[cix_ref].numCondCalcs NEQ 0 |
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parents:
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334 AND ! ccd_conditionOK (e_ref, globs)) |
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parents:
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335 return 1; |
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parents:
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336 |
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parents:
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337 /* |
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338 * If this element has a defined prologue |
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339 * we have to process it before decoding the bitstream. |
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parents:
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340 */ |
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parents:
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341 if (num_prolog_steps) |
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parents:
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342 { |
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parents:
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343 ccd_performOperations (num_prolog_steps, prolog_step_ref, globs); |
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parents:
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344 } |
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parents:
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345 |
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parents:
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346 /* |
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parents:
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347 * Setup the offset into the C-structure for this element |
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parents:
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348 */ |
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349 globs->pstructOffs = melem[e_ref].structOffs; |
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parents:
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350 |
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parents:
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351 if (melem[e_ref].optional) |
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parents:
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352 { |
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parents:
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353 /* |
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354 * For optional elements check the valid-flag in the C-struct. |
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parents:
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355 * Postpone optional flag setting for non-code transparent |
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parents:
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356 * pointer types ('P', 'Q', 'R'). |
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357 * For these types, the optional flag is the pointer itself. |
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358 * These types cannot be set yet, as the pointer may be |
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parents:
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359 * preceeded by a counter octet, a union tag id octet etc. |
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parents:
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360 */ |
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parents:
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361 if (melem[e_ref].elemType < 'P' OR melem[e_ref].elemType > 'R') |
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parents:
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|
362 { |
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parents:
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363 if (globs->pstruct[globs->pstructOffs++] EQ FALSE) |
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parents:
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364 return 1; |
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parents:
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|
365 } |
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parents:
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|
366 } |
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parents:
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|
367 /* |
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368 * Get the number of alternatives from the C-structure. |
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parents:
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|
369 */ |
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370 num_of_comps = mcomp[melem[e_ref].elemRef].numOfComponents; |
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parents:
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|
371 /* Determine number of possible alternatives */ |
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parents:
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372 num_of_alt = num <<1; |
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parents:
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|
373 /* |
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|
374 * Get the value of CHOICE index (= union controller) from the C-structure. |
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parents:
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|
375 * Check its correctness. Write it in the air message. |
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parents:
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|
376 * Afterwards encode the chosen CHOICE altervative. |
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parents:
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|
377 */ |
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|
378 union_tag = (ULONG) globs->pstruct[globs->pstructOffs]; |
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parents:
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changeset
|
379 /* |
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parents:
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|
380 * Check its correctness. |
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parents:
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changeset
|
381 */ |
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parents:
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changeset
|
382 if (union_tag >= num_of_alt) |
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parents:
diff
changeset
|
383 { |
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parents:
diff
changeset
|
384 /* |
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parents:
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|
385 * CHOICE index goes beyond the number of alternatives determined by |
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parents:
diff
changeset
|
386 * selected coding type => return Error and break encoding process |
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parents:
diff
changeset
|
387 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
388 ccd_recordFault (globs, ERR_CSN1_CHOICE, BREAK, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
389 (USHORT) e_ref, globs->pstruct+globs->pstructOffs); |
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parents:
diff
changeset
|
390 } |
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parents:
diff
changeset
|
391 |
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parents:
diff
changeset
|
392 /* |
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parents:
diff
changeset
|
393 * Write the CHOICE tag value in the C-structure. |
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parents:
diff
changeset
|
394 */ |
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parents:
diff
changeset
|
395 bf_writeVal (union_tag, num, globs); |
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parents:
diff
changeset
|
396 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
397 /* Check number of alternatives */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
398 if (!num_of_comps) |
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parents:
diff
changeset
|
399 { |
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parents:
diff
changeset
|
400 /* Don't do anything for empty choices */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
401 return 1; |
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parents:
diff
changeset
|
402 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
403 else if (num_of_comps != num_of_alt) |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
404 { |
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parents:
diff
changeset
|
405 /* if the number of components doesn't match to number of possible |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
406 alternatives return a warning */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
407 ccd_recordFault (globs, ERR_CSN1_CHOICE, CONTINUE, |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
408 (USHORT) e_ref, globs->pstruct+globs->pstructOffs); |
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parents:
diff
changeset
|
409 if (union_tag > num_of_comps) |
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parents:
diff
changeset
|
410 { |
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parents:
diff
changeset
|
411 /* if the CHOICE index demands an impossible one handle this choice |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
412 as no_code element */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
413 #ifdef DEBUG_CCD |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
414 #ifndef CCD_SYMBOLS |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
415 TRACE_CCD (globs, "cdc_No_encode()"); |
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parents:
diff
changeset
|
416 #else |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
417 TRACE_CCD (globs, "cdc_No_encode() %s", ccddata_get_alias((USHORT) e_ref, 1)); |
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parents:
diff
changeset
|
418 #endif |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
419 #endif |
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parents:
diff
changeset
|
420 return 1; |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
421 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
422 } |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
423 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
424 /* |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
425 * Encode a chosen alternative of an CSN.1 CHOICE type |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
426 */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
427 encode_csn1_choice_alternative (e_ref, (T_ENUM) union_tag, globs); |
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parents:
diff
changeset
|
428 |
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src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
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429 return 1; |
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src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
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430 } |
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src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
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431 #endif /* !RUN_INT_RAM */ |
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src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
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432 |
c41a534f33c6
src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
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433 |