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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>OCILIB (C Driver for Oracle): C:/Users/vincent/Data/Perso/dev/ocilib/ocilib/src/interval.c Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.4 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul></div><h1>C:/Users/vincent/Data/Perso/dev/ocilib/ocilib/src/interval.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"> +----------------------------------------------------------------------+ </span><a name="l00003"></a>00003 <span class="comment"> | |</span><a name="l00004"></a>00004 <span class="comment"> | OCILIB - C Driver for Oracle |</span><a name="l00005"></a>00005 <span class="comment"> | |</span><a name="l00006"></a>00006 <span class="comment"> | (C Wrapper for Oracle OCI) |</span><a name="l00007"></a>00007 <span class="comment"> | |</span><a name="l00008"></a>00008 <span class="comment"> +----------------------------------------------------------------------+</span><a name="l00009"></a>00009 <span class="comment"> | Website : http://ocilib.net |</span><a name="l00010"></a>00010 <span class="comment"> +----------------------------------------------------------------------+</span><a name="l00011"></a>00011 <span class="comment"> | Copyright (c) 2007-2008 Vincent ROGIER |</span><a name="l00012"></a>00012 <span class="comment"> +----------------------------------------------------------------------+</span><a name="l00013"></a>00013 <span class="comment"> | This library is free software; you can redistribute it and/or |</span><a name="l00014"></a>00014 <span class="comment"> | modify it under the terms of the GNU Library General Public |</span><a name="l00015"></a>00015 <span class="comment"> | License as published by the Free Software Foundation; either |</span><a name="l00016"></a>00016 <span class="comment"> | version 2 of the License, or (at your option) any later version. |</span><a name="l00017"></a>00017 <span class="comment"> | |</span><a name="l00018"></a>00018 <span class="comment"> | This library is distributed in the hope that it will be useful, |</span><a name="l00019"></a>00019 <span class="comment"> | but WITHOUT ANY WARRANTY; without even the implied warranty of |</span><a name="l00020"></a>00020 <span class="comment"> | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |</span><a name="l00021"></a>00021 <span class="comment"> | Library General Public License for more details. |</span><a name="l00022"></a>00022 <span class="comment"> | |</span><a name="l00023"></a>00023 <span class="comment"> | You should have received a copy of the GNU Library General Public |</span><a name="l00024"></a>00024 <span class="comment"> | License along with this library; if not, write to the Free |</span><a name="l00025"></a>00025 <span class="comment"> | Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |</span><a name="l00026"></a>00026 <span class="comment"> +----------------------------------------------------------------------+</span><a name="l00027"></a>00027 <span class="comment"> | Author: Vincent ROGIER <vince.rogier@gmail.com> |</span><a name="l00028"></a>00028 <span class="comment"> +----------------------------------------------------------------------+ </span><a name="l00029"></a>00029 <span class="comment">*/</span><a name="l00030"></a>00030 <a name="l00031"></a>00031 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00032"></a>00032 <span class="comment"> * $Id: interval.c, v 3.0.0 2008/10/09 09:54 Vince $</span><a name="l00033"></a>00033 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00034"></a>00034 <a name="l00035"></a>00035 <span class="preprocessor">#include "ocilib_internal.h"</span><a name="l00036"></a>00036 <a name="l00037"></a>00037 <span class="comment">/* ************************************************************************ *</span><a name="l00038"></a>00038 <span class="comment"> * PRIVATE FUNCTIONS</span><a name="l00039"></a>00039 <span class="comment"> * ************************************************************************ */</span><a name="l00040"></a>00040 <a name="l00041"></a>00041 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00042"></a>00042 <span class="comment"> * OCI_Interval functions</span><a name="l00043"></a>00043 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00044"></a>00044 <a name="l00045"></a>00045 <a class="code" href="struct_o_c_i___interval.html" title="Oracle internal interval representation.">OCI_Interval</a> * OCI_IntervalInit(<a class="code" href="struct_o_c_i___connection.html" title="Oracle physical connection.">OCI_Connection</a> *con, <a class="code" href="struct_o_c_i___interval.html" title="Oracle internal interval representation.">OCI_Interval</a> **pitv,<a name="l00046"></a>00046 OCIInterval *buffer, ub4 type)<a name="l00047"></a>00047 {<a name="l00048"></a>00048 <a class="code" href="struct_o_c_i___interval.html" title="Oracle internal interval representation.">OCI_Interval</a> *itv = NULL;<a name="l00049"></a>00049 <span class="keywordtype">boolean</span> res = TRUE;<a name="l00050"></a>00050 <a name="l00051"></a>00051 <span class="preprocessor">#if OCI_VERSION_COMPILE >= OCI_9</span><a name="l00052"></a>00052 <span class="preprocessor"></span><a name="l00053"></a>00053 OCI_CHECK(pitv == NULL, NULL);<a name="l00054"></a>00054 <a name="l00055"></a>00055 <span class="keywordflow">if</span> (*pitv == NULL)<a name="l00056"></a>00056 *pitv = (<a class="code" href="struct_o_c_i___interval.html" title="Oracle internal interval representation.">OCI_Interval</a> *) OCI_MemAlloc(OCI_IPC_INTERVAL, <span class="keyword">sizeof</span>(*itv), 1, TRUE);<a name="l00057"></a>00057 <a name="l00058"></a>00058 <span class="keywordflow">if</span> (*pitv != NULL)<a name="l00059"></a>00059 {<a name="l00060"></a>00060 itv = *pitv;<a name="l00061"></a>00061 <a name="l00062"></a>00062 itv-><a class="code" href="struct_o_c_i___interval.html#ccac976025720544f4d3c0d8a37bc71e">con</a> = con;<a name="l00063"></a>00063 itv-><a class="code" href="struct_o_c_i___interval.html#84c681371987114f46de3266758963a6">handle</a> = buffer;<a name="l00064"></a>00064 itv-><a class="code" href="struct_o_c_i___interval.html#b3b19f0d39fdda427a8f5d7b97896d25">type</a> = type;<a name="l00065"></a>00065 <a name="l00066"></a>00066 <span class="comment">/* get the right error handle */</span><a name="l00067"></a>00067 <a name="l00068"></a>00068 <span class="keywordflow">if</span> (con != NULL)<a name="l00069"></a>00069 itv-><a class="code" href="struct_o_c_i___interval.html#2c4130f5f96c650fd2c7854e1b7f86c1">err</a> = con-><a class="code" href="struct_o_c_i___connection.html#573a359867139990b1b0f50aa7a86175">err</a>;<a name="l00070"></a>00070 <span class="keywordflow">else</span><a name="l00071"></a>00071 itv-><a class="code" href="struct_o_c_i___interval.html#2c4130f5f96c650fd2c7854e1b7f86c1">err</a> = OCILib.err;<a name="l00072"></a>00072 <a name="l00073"></a>00073 <span class="comment">/* allocate buffer if needed */</span><a name="l00074"></a>00074 <a name="l00075"></a>00075 <span class="keywordflow">if</span> (itv != NULL && itv-><a class="code" href="struct_o_c_i___interval.html#84c681371987114f46de3266758963a6">handle</a> == NULL)<a name="l00076"></a>00076 {<a name="l00077"></a>00077 ub4 htype = 0;<a name="l00078"></a>00078 <a name="l00079"></a>00079 itv-><a class="code" href="struct_o_c_i___interval.html#d4b08a82e3520a5d93bebd57de8603ef">hstate</a> = OCI_OBJECT_ALLOCATED;<a name="l00080"></a>00080 <a name="l00081"></a>00081 <span class="keywordflow">if</span> (itv-><a class="code" href="struct_o_c_i___interval.html#b3b19f0d39fdda427a8f5d7b97896d25">type</a> == OCI_INTERVAL_YM)<a name="l00082"></a>00082 htype = OCI_DTYPE_INTERVAL_YM;<a name="l00083"></a>00083 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (itv-><a class="code" href="struct_o_c_i___interval.html#b3b19f0d39fdda427a8f5d7b97896d25">type</a> == OCI_INTERVAL_DS)<a name="l00084"></a>00084 htype = OCI_DTYPE_INTERVAL_DS;<a name="l00085"></a>00085 <a name="l00086"></a>00086 res = (OCI_SUCCESS == OCI_DescriptorAlloc((dvoid *) OCILib.env, <a name="l00087"></a>00087 (dvoid **) (<span class="keywordtype">void</span> *) &itv-><a class="code" href="struct_o_c_i___interval.html#84c681371987114f46de3266758963a6">handle</a>,<a name="l00088"></a>00088 (ub4 ) htype, (<span class="keywordtype">size_t</span>) 0, <a name="l00089"></a>00089 (dvoid **) NULL));<a name="l00090"></a>00090 }<a name="l00091"></a>00091 <span class="keywordflow">else</span><a name="l00092"></a>00092 itv-><a class="code" href="struct_o_c_i___interval.html#d4b08a82e3520a5d93bebd57de8603ef">hstate</a> = OCI_OBJECT_FETCHED_CLEAN;<a name="l00093"></a>00093 }<a name="l00094"></a>00094 <span class="keywordflow">else</span><a name="l00095"></a>00095 res = FALSE;<a name="l00096"></a>00096 <a name="l00097"></a>00097 <span class="comment">/* check for failure */</span><a name="l00098"></a>00098 <a name="l00099"></a>00099 <span class="keywordflow">if</span> (res == FALSE)<a name="l00100"></a>00100 {<a name="l00101"></a>00101 <a class="code" href="group__g__timestamp.html#g7623b368ab3486c15c6d671054fac3e3" title="Free an OCI_Interval handle.">OCI_IntervalFree</a>(itv);<a name="l00102"></a>00102 itv = NULL;<a name="l00103"></a>00103 }<a name="l00104"></a>00104 <a name="l00105"></a>00105 <span class="preprocessor">#else</span><a name="l00106"></a>00106 <span class="preprocessor"></span><a name="l00107"></a>00107 OCI_NOT_USED(type);<a name="l00108"></a>00108 OCI_NOT_USED(buffer);<a name="l00109"></a>00109 <a name="l00110"></a>00110 <span class="preprocessor">#endif</span><a name="l00111"></a>00111 <span class="preprocessor"></span><a name="l00112"></a>00112 <span class="keywordflow">return</span> itv;<a name="l00113"></a>00113 }<a name="l00114"></a>00114 <a name="l00115"></a>00115 <span class="comment">/* ************************************************************************ *</span><a name="l00116"></a>00116 <span class="comment"> * PUBLIC FUNCTIONS</span><a name="l00117"></a>00117 <span class="comment"> * ************************************************************************ */</span><a name="l00118"></a>00118 <a name="l00119"></a>00119 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00120"></a>00120 <span class="comment"> * OCI_IntervalCreate</span><a name="l00121"></a>00121 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00122"></a>00122 <a name="l00123"></a><a class="code" href="group__g__timestamp.html#g4748278cf01c5e927137ce3342038fd7">00123</a> <a class="code" href="struct_o_c_i___interval.html" title="Oracle internal interval representation.">OCI_Interval</a> * OCI_API <a class="code" href="group__g__timestamp.html#g4748278cf01c5e927137ce3342038fd7" title="Create a local interval object.">OCI_IntervalCreate</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="l00124"></a>00124 {<a name="l00125"></a>00125 <a class="code" href="struct_o_c_i___interval.html" title="Oracle internal interval representation.">OCI_Interval</a> *itv = NULL;<a name="l00126"></a>00126 <a name="l00127"></a>00127 OCI_CHECK_INITIALIZED(NULL);<a name="l00128"></a>00128 <a name="l00129"></a>00129 OCI_CHECK_INTERVAL_ENABLED(con, NULL);<a name="l00130"></a>00130 <a name="l00131"></a>00131 <span class="preprocessor">#if OCI_VERSION_COMPILE >= OCI_9</span><a name="l00132"></a>00132 <span class="preprocessor"></span><a name="l00133"></a>00133 itv = OCI_IntervalInit(con, &itv, NULL, type);<a name="l00134"></a>00134 <a name="l00135"></a>00135 <span class="preprocessor">#else</span><a name="l00136"></a>00136 <span class="preprocessor"></span><a name="l00137"></a>00137 OCI_NOT_USED(type);<a name="l00138"></a>00138 <a name="l00139"></a>00139 <span class="preprocessor">#endif</span><a name="l00140"></a>00140 <span class="preprocessor"></span><a name="l00141"></a>00141 OCI_RESULT(itv != NULL);<a name="l00142"></a>00142 <a name="l00143"></a>00143 <span class="keywordflow">return</span> itv;<a name="l00144"></a>00144 }<a name="l00145"></a>00145 <a name="l00146"></a>00146 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00147"></a>00147 <span class="comment"> * OCI_IntervalFree</span><a name="l00148"></a>00148 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00149"></a>00149 <a name="l00150"></a><a class="code" href="group__g__timestamp.html#g7623b368ab3486c15c6d671054fac3e3">00150</a> <span class="keywordtype">boolean</span> OCI_API <a class="code" href="group__g__timestamp.html#g7623b368ab3486c15c6d671054fac3e3" title="Free an OCI_Interval handle.">OCI_IntervalFree</a>(<a class="code" href="struct_o_c_i___interval.html" title="Oracle internal interval representation.">OCI_Interval</a> *itv)<a name="l00151"></a>00151 {<a name="l00152"></a>00152 OCI_CHECK_PTR(OCI_IPC_INTERVAL, itv, FALSE);<a name="l00153"></a>00153 ⌨️ 快捷键说明
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