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<a name="l00149"></a>00149 <span class="keywordflow">if</span> (res == TRUE)<a name="l00150"></a>00150 {<a name="l00151"></a>00151 osize1 = OCI_SIZE_DIRECTORY * <span class="keyword">sizeof</span>(mtext);<a name="l00152"></a>00152 ostr1 = OCI_GetInputMetaString(file-><a class="code" href="struct_o_c_i___file.html#0cb4f9b6c53a657e6e2b56ab29acb97a">dir</a>, &osize1);<a name="l00153"></a>00153 <a name="l00154"></a>00154 osize2 = OCI_SIZE_FILENAME * <span class="keyword">sizeof</span>(mtext);<a name="l00155"></a>00155 ostr2 = OCI_GetInputMetaString(file-><a class="code" href="struct_o_c_i___file.html#3988a79e9b28cd0c23a4bf2c79194522">name</a>, &osize1);<a name="l00156"></a>00156 <a name="l00157"></a>00157 usize1 = (ub2) osize1;<a name="l00158"></a>00158 usize2 = (ub2) osize2;<a name="l00159"></a>00159 <a name="l00160"></a>00160 OCI_CALL2<a name="l00161"></a>00161 (<a name="l00162"></a>00162 res, file-><a class="code" href="struct_o_c_i___file.html#09250ce6fa9edd113a5b193616a16747">con</a>, <a name="l00163"></a>00163 <a name="l00164"></a>00164 OCILobFileGetName(OCILib.env, file-><a class="code" href="struct_o_c_i___file.html#09250ce6fa9edd113a5b193616a16747">con</a>-><a class="code" href="struct_o_c_i___connection.html#573a359867139990b1b0f50aa7a86175">err</a>, file-><a class="code" href="struct_o_c_i___file.html#3f2e960fe0c52b7f2f11637504f94205">handle</a>,<a name="l00165"></a>00165 (OraText *) ostr1, (ub2*) &usize1,<a name="l00166"></a>00166 (OraText *) ostr2, (ub2*) &usize2)<a name="l00167"></a>00167 )<a name="l00168"></a>00168 <a name="l00169"></a>00169 osize1 = (int) usize1;<a name="l00170"></a>00170 osize2 = (int) usize2;<a name="l00171"></a>00171 <a name="l00172"></a>00172 OCI_GetOutputMetaString(ostr1, file-><a class="code" href="struct_o_c_i___file.html#0cb4f9b6c53a657e6e2b56ab29acb97a">dir</a>, &osize1);<a name="l00173"></a>00173 OCI_GetOutputMetaString(ostr2, file-><a class="code" href="struct_o_c_i___file.html#3988a79e9b28cd0c23a4bf2c79194522">name</a>, &osize2);<a name="l00174"></a>00174 <a name="l00175"></a>00175 OCI_ReleaseMetaString(ostr1);<a name="l00176"></a>00176 OCI_ReleaseMetaString(ostr2);<a name="l00177"></a>00177 }<a name="l00178"></a>00178 <a name="l00179"></a>00179 <span class="keywordflow">return</span> res;<a name="l00180"></a>00180 }<a name="l00181"></a>00181 <a name="l00182"></a>00182 <span class="comment">/* ************************************************************************ *</span><a name="l00183"></a>00183 <span class="comment"> * PUBLIC FUNCTIONS</span><a name="l00184"></a>00184 <span class="comment"> * ************************************************************************ */</span><a name="l00185"></a>00185 <a name="l00186"></a>00186 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00187"></a>00187 <span class="comment"> * OCI_FileCreate</span><a name="l00188"></a>00188 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00189"></a>00189 <a name="l00190"></a><a class="code" href="group__g__file.html#g199d6ce1a1231feb56b456ad6cbc2714">00190</a> <a class="code" href="struct_o_c_i___file.html" title="Oracle External Large objects :.">OCI_File</a> * OCI_API <a class="code" href="group__g__file.html#g199d6ce1a1231feb56b456ad6cbc2714" title="Create a file object instance.">OCI_FileCreate</a>(<a class="code" href="struct_o_c_i___connection.html" title="Oracle physical connection.">OCI_Connection</a> *con, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> type)<a name="l00191"></a>00191 {<a name="l00192"></a>00192 <a class="code" href="struct_o_c_i___file.html" title="Oracle External Large objects :.">OCI_File</a> *file = NULL;<a name="l00193"></a>00193 <a name="l00194"></a>00194 OCI_CHECK_INITIALIZED(NULL);<a name="l00195"></a>00195 <a name="l00196"></a>00196 OCI_CHECK_PTR(OCI_IPC_CONNECTION, con, NULL);<a name="l00197"></a>00197 <a name="l00198"></a>00198 file = OCI_FileInit(con, &file, NULL, type);<a name="l00199"></a>00199 <a name="l00200"></a>00200 OCI_RESULT(file != NULL);<a name="l00201"></a>00201 <a name="l00202"></a>00202 <span class="keywordflow">return</span> file;<a name="l00203"></a>00203 }<a name="l00204"></a>00204 <a name="l00205"></a>00205 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00206"></a>00206 <span class="comment"> * OCI_FileFree</span><a name="l00207"></a>00207 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00208"></a>00208 <a name="l00209"></a><a class="code" href="group__g__file.html#gd4b58b6d80e24bb045fb82d78c5cf36a">00209</a> <span class="keywordtype">boolean</span> OCI_API <a class="code" href="group__g__file.html#gd4b58b6d80e24bb045fb82d78c5cf36a" title="Free a local File object.">OCI_FileFree</a>(<a class="code" href="struct_o_c_i___file.html" title="Oracle External Large objects :.">OCI_File</a> *file)<a name="l00210"></a>00210 {<a name="l00211"></a>00211 <span class="keywordtype">boolean</span> res = TRUE;<a name="l00212"></a>00212 <a name="l00213"></a>00213 OCI_CHECK_PTR(OCI_IPC_FILE, file, FALSE);<a name="l00214"></a>00214 OCI_CHECK_OBJECT_FETCHED(file, FALSE);<a name="l00215"></a>00215 <a name="l00216"></a>00216 OCI_FREE(file-><a class="code" href="struct_o_c_i___file.html#0cb4f9b6c53a657e6e2b56ab29acb97a">dir</a>);<a name="l00217"></a>00217 OCI_FREE(file-><a class="code" href="struct_o_c_i___file.html#3988a79e9b28cd0c23a4bf2c79194522">name</a>);<a name="l00218"></a>00218 <a name="l00219"></a>00219 <span class="keywordflow">if</span> (file-><a class="code" href="struct_o_c_i___file.html#07cbb1d9007ec938227a83553090517e">hstate</a> == OCI_OBJECT_ALLOCATED)<a name="l00220"></a>00220 {<a name="l00221"></a>00221 OCI_DescriptorFree((dvoid *) file-><a class="code" href="struct_o_c_i___file.html#3f2e960fe0c52b7f2f11637504f94205">handle</a>, (ub4) OCI_DTYPE_LOB);<a name="l00222"></a>00222 }<a name="l00223"></a>00223 <a name="l00224"></a>00224 OCI_FREE(file);<a name="l00225"></a>00225 <a name="l00226"></a>00226 OCI_RESULT(res);<a name="l00227"></a>00227 <a name="l00228"></a>00228 <span class="keywordflow">return</span> res;<a name="l00229"></a>00229 }<a name="l00230"></a>00230 <a name="l00231"></a>00231 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00232"></a>00232 <span class="comment"> * OCI_FileSeek</span><a name="l00233"></a>00233 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00234"></a>00234 <a name="l00235"></a><a class="code" href="group__g__file.html#gfb3e54d66132f999c576adf15fdd581e">00235</a> <span class="keywordtype">boolean</span> OCI_API <a class="code" href="group__g__file.html#gfb3e54d66132f999c576adf15fdd581e" title="Perfom a seek operation on the OCI_File content buffer.">OCI_FileSeek</a>(<a class="code" href="struct_o_c_i___file.html" title="Oracle External Large objects :.">OCI_File</a> *file, big_uint offset, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mode)<a name="l00236"></a>00236 {<a name="l00237"></a>00237 <span class="keywordtype">boolean</span> res = TRUE;<a name="l00238"></a>00238 big_uint size = 0;<a name="l00239"></a>00239 <a name="l00240"></a>00240 OCI_CHECK_PTR(OCI_IPC_FILE, file, FALSE);<a name="l00241"></a>00241 <a name="l00242"></a>00242 size = <a class="code" href="group__g__file.html#g0cf778c46524cb185d2d60e1cac672f5" title="Return the size in bytes of a file.">OCI_FileGetSize</a>(file);<a name="l00243"></a>00243 <a name="l00244"></a>00244 <span class="keywordflow">if</span> ((mode == OCI_SEEK_CUR && (offset + file-><a class="code" href="struct_o_c_i___file.html#c11d8da994e228cdc4b10f2d1b3d896e">offset</a>-1) > size))<a name="l00245"></a>00245 res = FALSE;<a name="l00246"></a>00246 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mode == OCI_SEEK_SET)<a name="l00247"></a>00247 file-><a class="code" href="struct_o_c_i___file.html#c11d8da994e228cdc4b10f2d1b3d896e">offset</a> = offset + 1;<a name="l00248"></a>00248 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mode == OCI_SEEK_END)<a name="l00249"></a>00249 file-><a class="code" href="struct_o_c_i___file.html#c11d8da994e228cdc4b10f2d1b3d896e">offset</a> = size-offset + 1;<a name="l00250"></a>00250 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mode == OCI_SEEK_CUR)<a name="l00251"></a>00251 file-><a class="code" href="struct_o_c_i___file.html#c11d8da994e228cdc4b10f2d1b3d896e">offset</a> += offset;<a name="l00252"></a>00252 <span class="keywordflow">else</span><a name="l00253"></a>00253 res = FALSE;<a name="l00254"></a>00254 <a name="l00255"></a>00255 OCI_RESULT(res);<a name="l00256"></a>00256 <a name="l00257"></a>00257 <span class="keywordflow">return</span> res;<a name="l00258"></a>00258 }<a name="l00259"></a>00259 <a name="l00260"></a>00260 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00261"></a>00261 <span class="comment"> * OCI_FileGetOffset</span><a name="l00262"></a>00262 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00263"></a>00263 <a name="l00264"></a><a class="code" href="group__g__file.html#g7032e262e260dd6f50515058b722f951">00264</a> big_uint OCI_API <a class="code" href="group__g__file.html#g7032e262e260dd6f50515058b722f951" title="Return the current position in the file.">OCI_FileGetOffset</a>(<a class="code" href="struct_o_c_i___file.html" title="Oracle External Large objects :.">OCI_File</a> *file)<a name="l00265"></a>00265 {<a name="l00266"></a>00266 OCI_CHECK_PTR(OCI_IPC_FILE, file, 0);<a name="l00267"></a>00267 <a name="l00268"></a>00268 OCI_RESULT(TRUE);<a name="l00269"></a>00269 <a name="l00270"></a>00270 <span class="keywordflow">return</span> file-><a class="code" href="struct_o_c_i___file.html#c11d8da994e228cdc4b10f2d1b3d896e">offset</a> - 1;<a name="l00271"></a>00271 }<a name="l00272"></a>00272 <a name="l00273"></a>00273 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00274"></a>00274 <span class="comment"> * OCI_FileRead</span><a name="l00275"></a>00275 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00276"></a>00276 <a name="l00277"></a><a class="code" href="group__g__file.html#gf6400291c6338fc6be4dfdc3a6f5eb55">00277</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> OCI_API <a class="code" href="group__g__file.html#gf6400291c6338fc6be4dfdc3a6f5eb55" title="Read a portion of a file into the given buffer.">OCI_FileRead</a>(<a class="code" href="struct_o_c_i___file.html" title="Oracle External Large objects :.">OCI_File</a> *file, <span class="keywordtype">void</span> *buffer, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> len)<a name="l00278"></a>00278 {<a name="l00279"></a>00279 <span class="keywordtype">boolean</span> res = TRUE;<a name="l00280"></a>00280 ub4 size_in = 0;<a name="l00281"></a>00281 ub4 size_out = 0;<a name="l00282"></a>00282 <a name="l00283"></a>00283 OCI_CHECK_PTR(OCI_IPC_FILE, file, 0);<a name="l00284"></a>00284 <a name="l00285"></a>00285 size_out = size_in = len;<a name="l00286"></a>00286 <a name="l00287"></a>00287 <span class="preprocessor">#ifdef OCI_LOB2_API_ENABLED</span><a name="l00288"></a>00288 <span class="preprocessor"></span><a name="l00289"></a>00289 <span class="keywordflow">if</span> (OCILib.use_lob_ub8)<a name="l00290"></a>00290 {<a name="l00291"></a>00291 ub8 size_char = (ub8) len;<a name="l00292"></a>00292 ub8 size_byte = (ub8) size_in;<a name="l00293"></a>00293 <a name="l00294"></a>00294 OCI_CALL2<a name="l00295"></a>00295 (<a name="l00296"></a>00296 res, file-><a class="code" href="struct_o_c_i___file.html#09250ce6fa9edd113a5b193616a16747">con</a>, <a name="l00297"></a>00297 <a name="l00298"></a>00298 OCILobRead2(file-><a class="code" href="struct_o_c_i___file.html#09250ce6fa9edd113a5b193616a16747">con</a>-><a class="code" href="struct_o_c_i___connection.html#f20d1bea40e79481aeece933a4c70898">cxt</a>, file-><a class="code" href="struct_o_c_i___file.html#09250ce6fa9edd113a5b193616a16747">con</a>-><a class="code" href="struct_o_c_i___connection.html#573a359867139990b1b0f50aa7a86175">err</a>,<a name="l00299"></a>00299 file-><a class="code" href="struct_o_c_i___file.html#3f2e960fe0c52b7f2f11637504f94205">handle</a>, &size_byte,<a name="l00300"></a>00300 &size_char, (ub8) file-><a class="code" href="struct_o_c_i___file.html#c11d8da994e228cdc4b10f2d1b3d896e">offset</a>, <a name="l00301"></a>00301 buffer, (ub8) size_in, <a name="l00302"></a>00302 (ub1) OCI_ONE_PIECE, (dvoid *) NULL,<a name="l00303"></a>00303 NULL, (ub2) 0, (ub1) SQLCS_IMPLICIT)<a name="l00304"></a>00304 )<a name="l00305"></a>00305 }<a name="l00306"></a>00306 <a name="l00307"></a>00307 <span class="keywordflow">else</span><a name="l00308"></a>00308 <a name="l00309"></a>00309 <span class="preprocessor">#endif</span><a name="l00310"></a>00310 <span class="preprocessor"></span><a name="l00311"></a>00311 {⌨️ 快捷键说明
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