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📄 number_8c-source.html

📁 ORACLE编程的好东西,纯C写的OCI封装.很好用,支持数据池.
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<a name="l00090"></a>00090     OCI_CHECK(con   == NULL, FALSE);<a name="l00091"></a>00091     OCI_CHECK(value == NULL, FALSE);<a name="l00092"></a>00092     OCI_CHECK(data  == NULL, FALSE);<a name="l00093"></a>00093         <a name="l00094"></a>00094     <span class="keywordflow">if</span> (flag &amp; OCI_NUM_DOUBLE)<a name="l00095"></a>00095     {<a name="l00096"></a>00096         OCI_CALL2<a name="l00097"></a>00097         (<a name="l00098"></a>00098             res, con, <a name="l00099"></a>00099             <a name="l00100"></a>00100             OCINumberFromReal(con-&gt;<a class="code" href="struct_o_c_i___connection.html#573a359867139990b1b0f50aa7a86175">err</a>, value, size, (OCINumber *) data)<a name="l00101"></a>00101         )<a name="l00102"></a>00102     }<a name="l00103"></a>00103     <span class="keywordflow">else</span><a name="l00104"></a>00104     {<a name="l00105"></a>00105         uword sign = OCI_NUMBER_SIGNED;<a name="l00106"></a>00106 <a name="l00107"></a>00107         <span class="keywordflow">if</span> (flag &amp; OCI_NUM_UNSIGNED)<a name="l00108"></a>00108             sign = OCI_NUMBER_UNSIGNED;<a name="l00109"></a>00109 <a name="l00110"></a>00110         OCI_CALL2<a name="l00111"></a>00111         (<a name="l00112"></a>00112             res, con, <a name="l00113"></a>00113             <a name="l00114"></a>00114             OCINumberFromInt(con-&gt;<a class="code" href="struct_o_c_i___connection.html#573a359867139990b1b0f50aa7a86175">err</a>, value, size, sign, (OCINumber *) data)<a name="l00115"></a>00115         )<a name="l00116"></a>00116     }<a name="l00117"></a>00117             <a name="l00118"></a>00118     <span class="keywordflow">return</span> res;<a name="l00119"></a>00119 }<a name="l00120"></a>00120 <a name="l00121"></a>00121 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00122"></a>00122 <span class="comment"> * OCI_NumberGet</span><a name="l00123"></a>00123 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00124"></a>00124 <a name="l00125"></a>00125 <span class="keywordtype">boolean</span> OCI_NumberGetFromStr(<a class="code" href="struct_o_c_i___connection.html" title="Oracle physical connection.">OCI_Connection</a> *con,  <span class="keywordtype">void</span> *value, uword size,<a name="l00126"></a>00126                              uword type, <span class="keyword">const</span> dtext *str, <span class="keywordtype">int</span> str_size, <a name="l00127"></a>00127                              <span class="keyword">const</span> mtext* fmt, ub4 fmt_size)<a name="l00128"></a>00128 {<a name="l00129"></a>00129     OCINumber num;<a name="l00130"></a>00130 <a name="l00131"></a>00131     <span class="keywordtype">boolean</span> res = TRUE;<a name="l00132"></a>00132     <span class="keywordtype">void</span> *ostr1 = NULL;<a name="l00133"></a>00133     <span class="keywordtype">int</span>  osize1 = str_size;<a name="l00134"></a>00134     <span class="keywordtype">void</span> *ostr2 = NULL;<a name="l00135"></a>00135     <span class="keywordtype">int</span>  osize2 = fmt_size;<a name="l00136"></a>00136 <a name="l00137"></a>00137 <span class="preprocessor">#ifdef OCI_CHARSET_MIXED</span><a name="l00138"></a>00138 <span class="preprocessor"></span><a name="l00139"></a>00139     mtext temp[OCI_SIZE_BUFFER + 1];<a name="l00140"></a>00140   <a name="l00141"></a>00141 <span class="preprocessor">#endif</span><a name="l00142"></a>00142 <span class="preprocessor"></span><a name="l00143"></a>00143     OCI_CHECK(con   == NULL, FALSE);<a name="l00144"></a>00144     OCI_CHECK(value == NULL, FALSE);<a name="l00145"></a>00145     OCI_CHECK(str   == NULL, FALSE);<a name="l00146"></a>00146     OCI_CHECK(fmt   == NULL, FALSE);<a name="l00147"></a>00147 <a name="l00148"></a>00148 <span class="preprocessor">#ifdef OCI_CHARSET_MIXED</span><a name="l00149"></a>00149 <span class="preprocessor"></span><a name="l00150"></a>00150     temp[0] = 0;<a name="l00151"></a>00151 <a name="l00152"></a>00152     ostr1  = temp;<a name="l00153"></a>00153     osize1 = (int) wcstombs(temp, str, OCI_SIZE_BUFFER + OCI_CVT_CHAR);<a name="l00154"></a>00154 <a name="l00155"></a>00155 <span class="preprocessor">#else</span><a name="l00156"></a>00156 <span class="preprocessor"></span><a name="l00157"></a>00157     ostr1 = OCI_GetInputDataString(str, &amp;osize1);<a name="l00158"></a>00158 <a name="l00159"></a>00159 <span class="preprocessor">#endif</span><a name="l00160"></a>00160 <span class="preprocessor"></span><a name="l00161"></a>00161     ostr2 = OCI_GetInputMetaString(fmt, &amp;osize2);<a name="l00162"></a>00162 <a name="l00163"></a>00163 <a name="l00164"></a>00164     memset(&amp;num, 0, <span class="keyword">sizeof</span>(num));<a name="l00165"></a>00165 <a name="l00166"></a>00166     OCI_CALL2<a name="l00167"></a>00167     (<a name="l00168"></a>00168         res, con, <a name="l00169"></a>00169         <a name="l00170"></a>00170         OCINumberFromText(con-&gt;<a class="code" href="struct_o_c_i___connection.html#573a359867139990b1b0f50aa7a86175">err</a>, (oratext *) ostr1, (ub4) osize1,<a name="l00171"></a>00171                                     (oratext *) ostr2, (ub4) osize2, <a name="l00172"></a>00172                                     (oratext *) NULL,  (ub4) 0, &amp;num)<a name="l00173"></a>00173     )<a name="l00174"></a>00174 <a name="l00175"></a>00175 <span class="preprocessor">#ifndef OCI_CHARSET_MIXED</span><a name="l00176"></a>00176 <span class="preprocessor"></span><a name="l00177"></a>00177     OCI_ReleaseDataString(ostr1);<a name="l00178"></a>00178 <a name="l00179"></a>00179 <span class="preprocessor">#endif</span><a name="l00180"></a>00180 <span class="preprocessor"></span><a name="l00181"></a>00181     OCI_ReleaseMetaString(ostr2);      <a name="l00182"></a>00182 <a name="l00183"></a>00183     <span class="keywordflow">if</span> (res == TRUE)<a name="l00184"></a>00184         res = OCI_NumberGet(con, &amp;num, value, size, type);<a name="l00185"></a>00185 <a name="l00186"></a>00186     <span class="keywordflow">return</span> res;<a name="l00187"></a>00187  }</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Oct 9 10:07:43 2008 for OCILIB (C Driver for Oracle) by&nbsp;<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.4 </small></address></body></html>

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