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5 <title>TB9.2 Example Applications: examples/PIPS/antiword/src/sectlist.c Source File</title> |
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11 <h1>examples/PIPS/antiword/src/sectlist.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> |
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12 <a name="l00002"></a>00002 <span class="comment"> * sectlist.c</span> |
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13 <a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 2001-2004 A.J. van Os; Released under GNU GPL</span> |
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14 <a name="l00004"></a>00004 <span class="comment"> *</span> |
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15 <a name="l00005"></a>00005 <span class="comment"> * Description:</span> |
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16 <a name="l00006"></a>00006 <span class="comment"> * Build, read and destroy list(s) of Word section information</span> |
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17 <a name="l00007"></a>00007 <span class="comment"> */</span> |
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18 <a name="l00008"></a>00008 |
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19 <a name="l00009"></a>00009 <span class="preprocessor">#include <stddef.h></span> |
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20 <a name="l00010"></a>00010 <span class="preprocessor">#include <string.h></span> |
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21 <a name="l00011"></a>00011 <span class="preprocessor">#include "antiword.h"</span> |
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22 <a name="l00012"></a>00012 |
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23 <a name="l00013"></a>00013 |
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24 <a name="l00014"></a>00014 <span class="comment">/*</span> |
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25 <a name="l00015"></a>00015 <span class="comment"> * Private structure to hide the way the information</span> |
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26 <a name="l00016"></a>00016 <span class="comment"> * is stored from the rest of the program</span> |
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27 <a name="l00017"></a>00017 <span class="comment"> */</span> |
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28 <a name="l00018"></a>00018 <span class="keyword">typedef</span> <span class="keyword">struct </span>section_mem_tag { |
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29 <a name="l00019"></a>00019 section_block_type tInfo; |
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30 <a name="l00020"></a>00020 ULONG ulCharPos; |
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31 <a name="l00021"></a>00021 <span class="keyword">struct </span>section_mem_tag *pNext; |
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32 <a name="l00022"></a>00022 } section_mem_type; |
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33 <a name="l00023"></a>00023 |
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34 <a name="l00024"></a>00024 <span class="comment">/* Variables needed to write the Section Information List */</span> |
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35 <a name="l00025"></a>00025 <span class="keyword">static</span> section_mem_type *pAnchor = NULL; |
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36 <a name="l00026"></a>00026 <span class="keyword">static</span> section_mem_type *pSectionLast = NULL; |
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37 <a name="l00027"></a>00027 |
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38 <a name="l00028"></a>00028 |
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39 <a name="l00029"></a>00029 <span class="comment">/*</span> |
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40 <a name="l00030"></a>00030 <span class="comment"> * vDestroySectionInfoList - destroy the Section Information List</span> |
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41 <a name="l00031"></a>00031 <span class="comment"> */</span> |
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42 <a name="l00032"></a>00032 <span class="keywordtype">void</span> |
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43 <a name="l00033"></a>00033 vDestroySectionInfoList(<span class="keywordtype">void</span>) |
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44 <a name="l00034"></a>00034 { |
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45 <a name="l00035"></a>00035 section_mem_type *pCurr, *pNext; |
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46 <a name="l00036"></a>00036 |
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47 <a name="l00037"></a>00037 DBG_MSG(<span class="stringliteral">"vDestroySectionInfoList"</span>); |
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48 <a name="l00038"></a>00038 |
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49 <a name="l00039"></a>00039 <span class="comment">/* Free the Section Information List */</span> |
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50 <a name="l00040"></a>00040 pCurr = pAnchor; |
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51 <a name="l00041"></a>00041 <span class="keywordflow">while</span> (pCurr != NULL) { |
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52 <a name="l00042"></a>00042 pNext = pCurr->pNext; |
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53 <a name="l00043"></a>00043 pCurr = xfree(pCurr); |
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54 <a name="l00044"></a>00044 pCurr = pNext; |
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55 <a name="l00045"></a>00045 } |
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56 <a name="l00046"></a>00046 pAnchor = NULL; |
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57 <a name="l00047"></a>00047 <span class="comment">/* Reset all control variables */</span> |
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58 <a name="l00048"></a>00048 pSectionLast = NULL; |
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59 <a name="l00049"></a>00049 } <span class="comment">/* end of vDestroySectionInfoList */</span> |
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60 <a name="l00050"></a>00050 |
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61 <a name="l00051"></a>00051 <span class="comment">/*</span> |
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62 <a name="l00052"></a>00052 <span class="comment"> * vAdd2SectionInfoList - Add an element to the Section Information List</span> |
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63 <a name="l00053"></a>00053 <span class="comment"> */</span> |
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64 <a name="l00054"></a>00054 <span class="keywordtype">void</span> |
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65 <a name="l00055"></a>00055 vAdd2SectionInfoList(<span class="keyword">const</span> section_block_type *pSection, ULONG ulCharPos) |
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66 <a name="l00056"></a>00056 { |
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67 <a name="l00057"></a>00057 section_mem_type *pListMember; |
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68 <a name="l00058"></a>00058 |
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69 <a name="l00059"></a>00059 fail(pSection == NULL); |
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70 <a name="l00060"></a>00060 |
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71 <a name="l00061"></a>00061 <span class="comment">/* Create list member */</span> |
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72 <a name="l00062"></a>00062 pListMember = xmalloc(<span class="keyword">sizeof</span>(section_mem_type)); |
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73 <a name="l00063"></a>00063 <span class="comment">/* Fill the list member */</span> |
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74 <a name="l00064"></a>00064 pListMember->tInfo = *pSection; |
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75 <a name="l00065"></a>00065 pListMember->ulCharPos = ulCharPos; |
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76 <a name="l00066"></a>00066 pListMember->pNext = NULL; |
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77 <a name="l00067"></a>00067 <span class="comment">/* Add the new member to the list */</span> |
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78 <a name="l00068"></a>00068 <span class="keywordflow">if</span> (pAnchor == NULL) { |
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79 <a name="l00069"></a>00069 pAnchor = pListMember; |
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80 <a name="l00070"></a>00070 } <span class="keywordflow">else</span> { |
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81 <a name="l00071"></a>00071 fail(pSectionLast == NULL); |
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82 <a name="l00072"></a>00072 pSectionLast->pNext = pListMember; |
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83 <a name="l00073"></a>00073 } |
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84 <a name="l00074"></a>00074 pSectionLast = pListMember; |
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85 <a name="l00075"></a>00075 } <span class="comment">/* vAdd2SectionInfoList */</span> |
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86 <a name="l00076"></a>00076 |
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87 <a name="l00077"></a>00077 <span class="comment">/*</span> |
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88 <a name="l00078"></a>00078 <span class="comment"> * vGetDefaultSection - fill the section struct with default values</span> |
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89 <a name="l00079"></a>00079 <span class="comment"> */</span> |
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90 <a name="l00080"></a>00080 <span class="keywordtype">void</span> |
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91 <a name="l00081"></a>00081 vGetDefaultSection(section_block_type *pSection) |
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92 <a name="l00082"></a>00082 { |
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93 <a name="l00083"></a>00083 (void)memset(pSection, 0, <span class="keyword">sizeof</span>(*pSection)); |
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94 <a name="l00084"></a>00084 pSection->bNewPage = TRUE; |
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95 <a name="l00085"></a>00085 } <span class="comment">/* end of vGetDefaultSection */</span> |
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96 <a name="l00086"></a>00086 |
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97 <a name="l00087"></a>00087 <span class="comment">/*</span> |
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98 <a name="l00088"></a>00088 <span class="comment"> * vDefault2SectionInfoList - Add a default to the Section Information List</span> |
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99 <a name="l00089"></a>00089 <span class="comment"> */</span> |
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100 <a name="l00090"></a>00090 <span class="keywordtype">void</span> |
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101 <a name="l00091"></a>00091 vDefault2SectionInfoList(ULONG ulCharPos) |
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102 <a name="l00092"></a>00092 { |
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103 <a name="l00093"></a>00093 section_block_type tSection; |
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104 <a name="l00094"></a>00094 |
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105 <a name="l00095"></a>00095 vGetDefaultSection(&tSection); |
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106 <a name="l00096"></a>00096 vAdd2SectionInfoList(&tSection, ulCharPos); |
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107 <a name="l00097"></a>00097 } <span class="comment">/* end of vDefault2SectionInfoList */</span> |
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108 <a name="l00098"></a>00098 |
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109 <a name="l00099"></a>00099 <span class="comment">/*</span> |
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110 <a name="l00100"></a>00100 <span class="comment"> * pGetSectionInfo - get the section information</span> |
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111 <a name="l00101"></a>00101 <span class="comment"> */</span> |
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112 <a name="l00102"></a>00102 <span class="keyword">const</span> section_block_type * |
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113 <a name="l00103"></a>00103 pGetSectionInfo(<span class="keyword">const</span> section_block_type *pOld, ULONG ulCharPos) |
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114 <a name="l00104"></a>00104 { |
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115 <a name="l00105"></a>00105 <span class="keyword">const</span> section_mem_type *pCurr; |
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116 <a name="l00106"></a>00106 |
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117 <a name="l00107"></a>00107 <span class="keywordflow">if</span> (pOld == NULL || ulCharPos == 0) { |
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118 <a name="l00108"></a>00108 <span class="keywordflow">if</span> (pAnchor == NULL) { |
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119 <a name="l00109"></a>00109 <span class="comment">/* There are no records, make one */</span> |
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120 <a name="l00110"></a>00110 vDefault2SectionInfoList(0); |
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121 <a name="l00111"></a>00111 fail(pAnchor == NULL); |
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122 <a name="l00112"></a>00112 } |
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123 <a name="l00113"></a>00113 <span class="comment">/* The first record */</span> |
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124 <a name="l00114"></a>00114 NO_DBG_MSG(<span class="stringliteral">"First record"</span>); |
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125 <a name="l00115"></a>00115 <span class="keywordflow">return</span> &pAnchor->tInfo; |
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126 <a name="l00116"></a>00116 } |
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127 <a name="l00117"></a>00117 |
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128 <a name="l00118"></a>00118 NO_DBG_HEX(ulCharPos); |
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129 <a name="l00119"></a>00119 <span class="keywordflow">for</span> (pCurr = pAnchor; pCurr != NULL; pCurr = pCurr->pNext) { |
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130 <a name="l00120"></a>00120 NO_DBG_HEX(pCurr->ulCharPos); |
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131 <a name="l00121"></a>00121 <span class="keywordflow">if</span> (ulCharPos == pCurr->ulCharPos || |
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132 <a name="l00122"></a>00122 ulCharPos + 1 == pCurr->ulCharPos) { |
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133 <a name="l00123"></a>00123 NO_DBG_HEX(pCurr->ulCharPos); |
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134 <a name="l00124"></a>00124 <span class="keywordflow">return</span> &pCurr->tInfo; |
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135 <a name="l00125"></a>00125 } |
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136 <a name="l00126"></a>00126 } |
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137 <a name="l00127"></a>00127 <span class="keywordflow">return</span> pOld; |
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138 <a name="l00128"></a>00128 } <span class="comment">/* end of pGetSectionInfo */</span> |
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139 <a name="l00129"></a>00129 |
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140 <a name="l00130"></a>00130 <span class="comment">/*</span> |
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141 <a name="l00131"></a>00131 <span class="comment"> * tGetNumberOfSections - get the number of sections</span> |
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142 <a name="l00132"></a>00132 <span class="comment"> */</span> |
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143 <a name="l00133"></a>00133 <span class="keywordtype">size_t</span> |
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144 <a name="l00134"></a>00134 tGetNumberOfSections(<span class="keywordtype">void</span>) |
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145 <a name="l00135"></a>00135 { |
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146 <a name="l00136"></a>00136 <span class="keyword">const</span> section_mem_type *pCurr; |
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147 <a name="l00137"></a>00137 <span class="keywordtype">size_t</span> tCounter; |
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148 <a name="l00138"></a>00138 |
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149 <a name="l00139"></a>00139 <span class="keywordflow">for</span> (tCounter = 0, pCurr = pAnchor; |
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150 <a name="l00140"></a>00140 pCurr != NULL; |
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151 <a name="l00141"></a>00141 tCounter++, pCurr = pCurr->pNext) |
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152 <a name="l00142"></a>00142 ; <span class="comment">/* Empty */</span> |
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153 <a name="l00143"></a>00143 <span class="keywordflow">return</span> tCounter; |
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154 <a name="l00144"></a>00144 } <span class="comment">/* end of tGetNumberOfSections */</span> |
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155 <a name="l00145"></a>00145 |
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156 <a name="l00146"></a>00146 <span class="comment">/*</span> |
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157 <a name="l00147"></a>00147 <span class="comment"> * ucGetSepHdrFtrSpecification - get the Heder/footer specification</span> |
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158 <a name="l00148"></a>00148 <span class="comment"> */</span> |
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159 <a name="l00149"></a>00149 UCHAR |
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160 <a name="l00150"></a>00150 ucGetSepHdrFtrSpecification(<span class="keywordtype">size_t</span> tSectionNumber) |
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161 <a name="l00151"></a>00151 { |
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162 <a name="l00152"></a>00152 <span class="keyword">const</span> section_mem_type *pCurr; |
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163 <a name="l00153"></a>00153 <span class="keywordtype">size_t</span> tIndex; |
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164 <a name="l00154"></a>00154 |
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165 <a name="l00155"></a>00155 <span class="keywordflow">for</span> (tIndex = 0, pCurr = pAnchor; |
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166 <a name="l00156"></a>00156 tIndex < tSectionNumber && pCurr != NULL; |
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167 <a name="l00157"></a>00157 tIndex++, pCurr = pCurr->pNext) |
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168 <a name="l00158"></a>00158 ; <span class="comment">/* Empty */</span> |
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169 <a name="l00159"></a>00159 <span class="keywordflow">if</span> (pCurr == NULL) { |
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170 <a name="l00160"></a>00160 DBG_DEC(tSectionNumber); |
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171 <a name="l00161"></a>00161 DBG_FIXME(); |
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172 <a name="l00162"></a>00162 <span class="keywordflow">return</span> 0x00; |
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173 <a name="l00163"></a>00163 } |
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174 <a name="l00164"></a>00164 <span class="keywordflow">return</span> pCurr->tInfo.ucHdrFtrSpecification; |
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175 <a name="l00165"></a>00165 } <span class="comment">/* end of ucGetSepHdrFtrSpecification */</span> |
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176 </pre></div></div> |
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