Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/riscos_8c_source.html
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<h1>examples/PIPS/antiword/src/riscos.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * riscos.c</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 2001,2002 A.J. van Os; Released under GPL</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Description:</span>
<a name="l00006"></a>00006 <span class="comment"> * RISC OS only functions</span>
<a name="l00007"></a>00007 <span class="comment"> */</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="preprocessor">#include <string.h></span>
<a name="l00010"></a>00010 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00011"></a>00011 <span class="preprocessor">#include <stdarg.h></span>
<a name="l00012"></a>00012 <span class="preprocessor">#include "DeskLib:Error.h"</span>
<a name="l00013"></a>00013 <span class="preprocessor">#include "DeskLib:SWI.h"</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include "antiword.h"</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#if !defined(DrawFile_Render)</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#define DrawFile_Render 0x045540</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* !DrawFile_Render */</span>
<a name="l00019"></a>00019 <span class="preprocessor">#if !defined(JPEG_Info)</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define JPEG_Info 0x049980</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* !JPEG_Info */</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="comment">/*</span>
<a name="l00024"></a>00024 <span class="comment"> * werr - write an error message and exit if needed</span>
<a name="l00025"></a>00025 <span class="comment"> */</span>
<a name="l00026"></a>00026 <span class="keywordtype">void</span>
<a name="l00027"></a>00027 werr(<span class="keywordtype">int</span> iFatal, <span class="keyword">const</span> <span class="keywordtype">char</span> *szFormat, ...)
<a name="l00028"></a>00028 {
<a name="l00029"></a>00029 va_list tArg;
<a name="l00030"></a>00030
<a name="l00031"></a>00031 va_start(tArg, szFormat);
<a name="l00032"></a>00032 Error_Report(iFatal, (<span class="keywordtype">char</span> *)szFormat, tArg);
<a name="l00033"></a>00033 va_end(tArg);
<a name="l00034"></a>00034 <span class="keywordflow">switch</span> (iFatal) {
<a name="l00035"></a>00035 <span class="keywordflow">case</span> 0: <span class="comment">/* The message is just a warning, so no exit */</span>
<a name="l00036"></a>00036 <span class="keywordflow">return</span>;
<a name="l00037"></a>00037 <span class="keywordflow">case</span> 1: <span class="comment">/* Fatal error with a standard exit */</span>
<a name="l00038"></a>00038 exit(EXIT_FAILURE);
<a name="l00039"></a>00039 <span class="keywordflow">default</span>: <span class="comment">/* Fatal error with a non-standard exit */</span>
<a name="l00040"></a>00040 exit(iFatal);
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042 } <span class="comment">/* end of werr */</span>
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="comment">/*</span>
<a name="l00045"></a>00045 <span class="comment"> * iGetFiletype</span>
<a name="l00046"></a>00046 <span class="comment"> * This function will get the filetype of the given file.</span>
<a name="l00047"></a>00047 <span class="comment"> * returns the filetype.</span>
<a name="l00048"></a>00048 <span class="comment"> */</span>
<a name="l00049"></a>00049 <span class="keywordtype">int</span>
<a name="l00050"></a>00050 iGetFiletype(<span class="keyword">const</span> <span class="keywordtype">char</span> *szFilename)
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 os_error *e;
<a name="l00053"></a>00053 <span class="keywordtype">int</span> iType;
<a name="l00054"></a>00054
<a name="l00055"></a>00055 fail(szFilename == NULL || szFilename[0] == <span class="charliteral">'\0'</span>);
<a name="l00056"></a>00056
<a name="l00057"></a>00057 e = SWI(2, 7, SWI_OS_File | XOS_Bit,
<a name="l00058"></a>00058 23, szFilename,
<a name="l00059"></a>00059 NULL, NULL, NULL, NULL, NULL, NULL, &iType);
<a name="l00060"></a>00060 <span class="keywordflow">if</span> (e == NULL) {
<a name="l00061"></a>00061 <span class="keywordflow">return</span> iType;
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063 werr(0, <span class="stringliteral">"Get Filetype error %d: %s"</span>, e->errnum, e->errmess);
<a name="l00064"></a>00064 <span class="keywordflow">return</span> -1;
<a name="l00065"></a>00065 } <span class="comment">/* end of iGetFiletype */</span>
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="comment">/*</span>
<a name="l00068"></a>00068 <span class="comment"> * vSetFiletype</span>
<a name="l00069"></a>00069 <span class="comment"> * This procedure will set the filetype of the given file to the given</span>
<a name="l00070"></a>00070 <span class="comment"> * type.</span>
<a name="l00071"></a>00071 <span class="comment"> */</span>
<a name="l00072"></a>00072 <span class="keywordtype">void</span>
<a name="l00073"></a>00073 vSetFiletype(<span class="keyword">const</span> <span class="keywordtype">char</span> *szFilename, <span class="keywordtype">int</span> iFiletype)
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075 os_error *e;
<a name="l00076"></a>00076
<a name="l00077"></a>00077 fail(szFilename == NULL || szFilename[0] == <span class="charliteral">'\0'</span>);
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keywordflow">if</span> (iFiletype < 0x000 || iFiletype > 0xfff) {
<a name="l00080"></a>00080 <span class="keywordflow">return</span>;
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082 e = SWI(3, 0, SWI_OS_File | XOS_Bit,
<a name="l00083"></a>00083 18, szFilename, iFiletype);
<a name="l00084"></a>00084 <span class="keywordflow">if</span> (e != NULL) {
<a name="l00085"></a>00085 <span class="keywordflow">switch</span> (e->errnum) {
<a name="l00086"></a>00086 <span class="keywordflow">case</span> 0x000113: <span class="comment">/* ROM */</span>
<a name="l00087"></a>00087 <span class="keywordflow">case</span> 0x0104e1: <span class="comment">/* Read-only floppy DOSFS */</span>
<a name="l00088"></a>00088 <span class="keywordflow">case</span> 0x0108c9: <span class="comment">/* Read-only floppy ADFS */</span>
<a name="l00089"></a>00089 <span class="keywordflow">case</span> 0x013803: <span class="comment">/* Read-only ArcFS */</span>
<a name="l00090"></a>00090 <span class="keywordflow">case</span> 0x80344a: <span class="comment">/* CD-ROM */</span>
<a name="l00091"></a>00091 <span class="keywordflow">break</span>;
<a name="l00092"></a>00092 <span class="keywordflow">default</span>:
<a name="l00093"></a>00093 werr(0, <span class="stringliteral">"Set Filetype error %d: %s"</span>,
<a name="l00094"></a>00094 e->errnum, e->errmess);
<a name="l00095"></a>00095 <span class="keywordflow">break</span>;
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098 } <span class="comment">/* end of vSetFileType */</span>
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="comment">/*</span>
<a name="l00101"></a>00101 <span class="comment"> * Check if the directory part of the given file exists, make the directory</span>
<a name="l00102"></a>00102 <span class="comment"> * if it does not exist yet.</span>
<a name="l00103"></a>00103 <span class="comment"> * Returns TRUE in case of success, otherwise FALSE.</span>
<a name="l00104"></a>00104 <span class="comment"> */</span>
<a name="l00105"></a>00105 BOOL
<a name="l00106"></a>00106 bMakeDirectory(<span class="keyword">const</span> <span class="keywordtype">char</span> *szFilename)
<a name="l00107"></a>00107 {
<a name="l00108"></a>00108 os_error *e;
<a name="l00109"></a>00109 <span class="keywordtype">char</span> *pcLastDot;
<a name="l00110"></a>00110 <span class="keywordtype">int</span> iObjectType;
<a name="l00111"></a>00111 <span class="keywordtype">char</span> szDirectory[PATH_MAX+1];
<a name="l00112"></a>00112
<a name="l00113"></a>00113 DBG_MSG(<span class="stringliteral">"bMakeDirectory"</span>);
<a name="l00114"></a>00114 fail(szFilename == NULL || szFilename[0] == <span class="charliteral">'\0'</span>);
<a name="l00115"></a>00115 DBG_MSG(szFilename);
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="keywordflow">if</span> (strlen(szFilename) >= <span class="keyword">sizeof</span>(szDirectory)) {
<a name="l00118"></a>00118 DBG_DEC(strlen(szFilename));
<a name="l00119"></a>00119 <span class="keywordflow">return</span> FALSE;
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121 strcpy(szDirectory, szFilename);
<a name="l00122"></a>00122 pcLastDot = strrchr(szDirectory, <span class="charliteral">'.'</span>);
<a name="l00123"></a>00123 <span class="keywordflow">if</span> (pcLastDot == NULL) {
<a name="l00124"></a>00124 <span class="comment">/* No directory equals current directory */</span>
<a name="l00125"></a>00125 DBG_MSG(<span class="stringliteral">"No directory part given"</span>);
<a name="l00126"></a>00126 <span class="keywordflow">return</span> TRUE;
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128 *pcLastDot = <span class="charliteral">'\0'</span>;
<a name="l00129"></a>00129 DBG_MSG(szDirectory);
<a name="l00130"></a>00130 <span class="comment">/* Check if the name exists */</span>
<a name="l00131"></a>00131 e = SWI(2, 1, SWI_OS_File | XOS_Bit,
<a name="l00132"></a>00132 17, szDirectory,
<a name="l00133"></a>00133 &iObjectType);
<a name="l00134"></a>00134 <span class="keywordflow">if</span> (e != NULL) {
<a name="l00135"></a>00135 werr(0, <span class="stringliteral">"Directory check %d: %s"</span>, e->errnum, e->errmess);
<a name="l00136"></a>00136 <span class="keywordflow">return</span> FALSE;
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138 <span class="keywordflow">if</span> (iObjectType == 2) {
<a name="l00139"></a>00139 <span class="comment">/* The name exists and it is a directory */</span>
<a name="l00140"></a>00140 DBG_MSG(<span class="stringliteral">"The directory already exists"</span>);
<a name="l00141"></a>00141 <span class="keywordflow">return</span> TRUE;
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143 <span class="keywordflow">if</span> (iObjectType != 0) {
<a name="l00144"></a>00144 <span class="comment">/* The name exists and it is not a directory */</span>
<a name="l00145"></a>00145 DBG_DEC(iObjectType);
<a name="l00146"></a>00146 <span class="keywordflow">return</span> FALSE;
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148 <span class="comment">/* The name does not exist, make the directory */</span>
<a name="l00149"></a>00149 e = SWI(5, 0, SWI_OS_File | XOS_Bit,
<a name="l00150"></a>00150 8, szDirectory, 0, 0, 0);
<a name="l00151"></a>00151 <span class="keywordflow">if</span> (e != NULL) {
<a name="l00152"></a>00152 werr(0, <span class="stringliteral">"I can't make a directory %d: %s"</span>,
<a name="l00153"></a>00153 e->errnum, e->errmess);
<a name="l00154"></a>00154 <span class="keywordflow">return</span> FALSE;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156 <span class="keywordflow">return</span> TRUE;
<a name="l00157"></a>00157 } <span class="comment">/* end of bMakeDirectory */</span>
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="comment">/*</span>
<a name="l00160"></a>00160 <span class="comment"> * iReadCurrentAlphabetNumber</span>
<a name="l00161"></a>00161 <span class="comment"> * This function reads the current Alphabet number.</span>
<a name="l00162"></a>00162 <span class="comment"> * Returns the current Alphabet number when successful, otherwise -1</span>
<a name="l00163"></a>00163 <span class="comment"> */</span>
<a name="l00164"></a>00164 <span class="keywordtype">int</span>
<a name="l00165"></a>00165 iReadCurrentAlphabetNumber(<span class="keywordtype">void</span>)
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 os_error *e;
<a name="l00168"></a>00168 <span class="keywordtype">int</span> iAlphabetNumber;
<a name="l00169"></a>00169
<a name="l00170"></a>00170 e = SWI(2, 2, SWI_OS_Byte | XOS_Bit,
<a name="l00171"></a>00171 71, 127,
<a name="l00172"></a>00172 NULL, &iAlphabetNumber);
<a name="l00173"></a>00173 <span class="keywordflow">if</span> (e == NULL) {
<a name="l00174"></a>00174 <span class="keywordflow">return</span> iAlphabetNumber;
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176 werr(0, <span class="stringliteral">"Read alphabet error %d: %s"</span>, e->errnum, e->errmess);
<a name="l00177"></a>00177 <span class="keywordflow">return</span> -1;
<a name="l00178"></a>00178 } <span class="comment">/* end of iReadCurrentAlphabetNumber */</span>
<a name="l00179"></a>00179
<a name="l00180"></a>00180 <span class="comment">/*</span>
<a name="l00181"></a>00181 <span class="comment"> * iGetRiscOsVersion - get the RISC OS version number</span>
<a name="l00182"></a>00182 <span class="comment"> *</span>
<a name="l00183"></a>00183 <span class="comment"> * returns the RISC OS version * 100</span>
<a name="l00184"></a>00184 <span class="comment"> */</span>
<a name="l00185"></a>00185 <span class="keywordtype">int</span>
<a name="l00186"></a>00186 iGetRiscOsVersion(<span class="keywordtype">void</span>)
<a name="l00187"></a>00187 {
<a name="l00188"></a>00188 os_error *e;
<a name="l00189"></a>00189 <span class="keywordtype">int</span> iVersion;
<a name="l00190"></a>00190
<a name="l00191"></a>00191 e = SWI(3, 2, SWI_OS_Byte | XOS_Bit,
<a name="l00192"></a>00192 129, 0, 0xff,
<a name="l00193"></a>00193 NULL, &iVersion);
<a name="l00194"></a>00194 <span class="keywordflow">if</span> (e != NULL) {
<a name="l00195"></a>00195 werr(0, <span class="stringliteral">"Read RISC OS version error %d: %s"</span>,
<a name="l00196"></a>00196 e->errnum, e->errmess);
<a name="l00197"></a>00197 <span class="keywordflow">return</span> 0;
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199 <span class="keywordflow">switch</span> (iVersion) {
<a name="l00200"></a>00200 <span class="keywordflow">case</span> 0xa0: <span class="comment">/* Arthur 1.20 */</span>
<a name="l00201"></a>00201 <span class="keywordflow">return</span> 120;
<a name="l00202"></a>00202 <span class="keywordflow">case</span> 0xa1: <span class="comment">/* RISC OS 2.00 */</span>
<a name="l00203"></a>00203 <span class="keywordflow">return</span> 200;
<a name="l00204"></a>00204 <span class="keywordflow">case</span> 0xa2: <span class="comment">/* RISC OS 2.01 */</span>
<a name="l00205"></a>00205 <span class="keywordflow">return</span> 201;
<a name="l00206"></a>00206 <span class="keywordflow">case</span> 0xa3: <span class="comment">/* RISC OS 3.00 */</span>
<a name="l00207"></a>00207 <span class="keywordflow">return</span> 300;
<a name="l00208"></a>00208 <span class="keywordflow">case</span> 0xa4: <span class="comment">/* RISC OS 3.1x */</span>
<a name="l00209"></a>00209 <span class="keywordflow">return</span> 310;
<a name="l00210"></a>00210 <span class="keywordflow">case</span> 0xa5: <span class="comment">/* RISC OS 3.50 */</span>
<a name="l00211"></a>00211 <span class="keywordflow">return</span> 350;
<a name="l00212"></a>00212 <span class="keywordflow">case</span> 0xa6: <span class="comment">/* RISC OS 3.60 */</span>
<a name="l00213"></a>00213 <span class="keywordflow">return</span> 360;
<a name="l00214"></a>00214 <span class="keywordflow">case</span> 0xa7: <span class="comment">/* RISC OS 3.7x */</span>
<a name="l00215"></a>00215 <span class="keywordflow">return</span> 370;
<a name="l00216"></a>00216 <span class="keywordflow">case</span> 0xa8: <span class="comment">/* RISC OS 4.0x */</span>
<a name="l00217"></a>00217 <span class="keywordflow">return</span> 400;
<a name="l00218"></a>00218 <span class="keywordflow">default</span>:
<a name="l00219"></a>00219 <span class="keywordflow">if</span> (iVersion >= 0xa9 && iVersion <= 0xaf) {
<a name="l00220"></a>00220 <span class="comment">/* RISC OS 4.10 and up */</span>
<a name="l00221"></a>00221 <span class="keywordflow">return</span> 410;
<a name="l00222"></a>00222 }
<a name="l00223"></a>00223 <span class="comment">/* Unknown version */</span>
<a name="l00224"></a>00224 <span class="keywordflow">return</span> 0;
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 } <span class="comment">/* end of iGetRiscOsVersion */</span>
<a name="l00227"></a>00227
<a name="l00228"></a>00228 <span class="preprocessor">#if defined(DEBUG)</span>
<a name="l00229"></a>00229 <span class="preprocessor"></span>BOOL
<a name="l00230"></a>00230 bGetJpegInfo(UCHAR *pucJpeg, <span class="keywordtype">size_t</span> tJpegSize)
<a name="l00231"></a>00231 {
<a name="l00232"></a>00232 os_error *e;
<a name="l00233"></a>00233 <span class="keywordtype">int</span> iReg0, iReg4, iReg5;
<a name="l00234"></a>00234
<a name="l00235"></a>00235 e = SWI(3, 6, JPEG_Info | XOS_Bit,
<a name="l00236"></a>00236 0x00, pucJpeg, tJpegSize,
<a name="l00237"></a>00237 &iReg0, NULL, NULL, NULL, &iReg4, &iReg5);
<a name="l00238"></a>00238 <span class="keywordflow">if</span> (e == NULL) {
<a name="l00239"></a>00239 <span class="keywordflow">if</span> (iReg0 & BIT(2)) {
<a name="l00240"></a>00240 DBG_MSG(<span class="stringliteral">"Pixel density is a simple ratio"</span>);
<a name="l00241"></a>00241 } <span class="keywordflow">else</span> {
<a name="l00242"></a>00242 DBG_MSG(<span class="stringliteral">"Pixel density is in dpi"</span>);
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244 DBG_DEC(iReg4);
<a name="l00245"></a>00245 DBG_DEC(iReg5);
<a name="l00246"></a>00246 <span class="keywordflow">return</span> TRUE;
<a name="l00247"></a>00247 }
<a name="l00248"></a>00248 werr(0, <span class="stringliteral">"JPEG Info error %d: %s"</span>, e->errnum, e->errmess);
<a name="l00249"></a>00249 <span class="keywordflow">return</span> FALSE;
<a name="l00250"></a>00250 } <span class="comment">/* end of bGetJpegInfo */</span>
<a name="l00251"></a>00251 <span class="preprocessor">#endif </span><span class="comment">/* DEBUG */</span>
</pre></div></div>
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