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<title>DatabasePrimitivesLibrary: sh_flush.c Source File</title> |
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<h1>sh_flush.c</h1><a href="sh__flush_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> |
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<a name="l00002"></a>00002 <span class="comment">** Copyright (C) 2002 by Kevin L. Mitchell <klmitch@mit.edu></span> |
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<a name="l00003"></a>00003 <span class="comment">**</span> |
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<a name="l00004"></a>00004 <span class="comment">** This library is free software; you can redistribute it and/or</span> |
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<a name="l00005"></a>00005 <span class="comment">** modify it under the terms of the GNU Library General Public</span> |
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<a name="l00006"></a>00006 <span class="comment">** License as published by the Free Software Foundation; either</span> |
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<a name="l00007"></a>00007 <span class="comment">** version 2 of the License, or (at your option) any later version.</span> |
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<a name="l00008"></a>00008 <span class="comment">**</span> |
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<a name="l00009"></a>00009 <span class="comment">** This library is distributed in the hope that it will be useful,</span> |
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<a name="l00010"></a>00010 <span class="comment">** but WITHOUT ANY WARRANTY; without even the implied warranty of</span> |
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<a name="l00011"></a>00011 <span class="comment">** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span> |
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<a name="l00012"></a>00012 <span class="comment">** Library General Public License for more details.</span> |
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<a name="l00013"></a>00013 <span class="comment">**</span> |
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<a name="l00014"></a>00014 <span class="comment">** You should have received a copy of the GNU Library General Public</span> |
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<a name="l00015"></a>00015 <span class="comment">** License along with this library; if not, write to the Free</span> |
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<a name="l00016"></a>00016 <span class="comment">** Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</span> |
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<a name="l00017"></a>00017 <span class="comment">** MA 02111-1307, USA</span> |
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<a name="l00018"></a>00018 <span class="comment">**</span> |
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<a name="l00019"></a>00019 <span class="comment">** @(#)$Id: sh__flush_8c-source.html,v 1.3 2006/09/04 15:12:18 spale Exp $</span> |
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<a name="l00020"></a>00020 <span class="comment">*/</span> |
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<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="dbprim_8h.html">dbprim.h</a>"</span> |
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<a name="l00029"></a>00029 <span class="preprocessor">#include "<a class="code" href="dbprim__int_8h.html">dbprim_int.h</a>"</span> |
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<a name="l00030"></a>00030 |
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<a name="l00031"></a>00031 <a class="code" href="dbprim__int_8h.html#a0">RCSTAG</a>(<span class="stringliteral">"@(#)$Id: sh__flush_8c-source.html,v 1.3 2006/09/04 15:12:18 spale Exp $"</span>); |
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<a name="l00032"></a>00032 |
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<a name="l00041"></a><a class="code" href="struct__sh__flush__s.html">00041</a> <span class="keyword">struct </span><a class="code" href="struct__sh__flush__s.html">_sh_flush_s</a> { |
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<a name="l00042"></a><a class="code" href="struct__sh__flush__s.html#o0">00042</a> <a class="code" href="struct__smat__table__s.html">smat_table_t</a> *<a class="code" href="struct__sh__flush__s.html#o0">sf_table</a>; |
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<a name="l00043"></a><a class="code" href="struct__sh__flush__s.html#o1">00043</a> <a class="code" href="group__dbprim__smat.html#ga6">smat_loc_t</a> <a class="code" href="struct__sh__flush__s.html#o1">sf_elem</a>; |
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<a name="l00044"></a><a class="code" href="struct__sh__flush__s.html#o2">00044</a> <a class="code" href="group__dbprim__smat.html#ga4">smat_iter_t</a> <a class="code" href="struct__sh__flush__s.html#o2">sf_flush</a>; |
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<a name="l00045"></a><a class="code" href="struct__sh__flush__s.html#o3">00045</a> <span class="keywordtype">void</span> *<a class="code" href="struct__sh__flush__s.html#o3">sf_extra</a>; |
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<a name="l00046"></a>00046 }; |
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<a name="l00047"></a>00047 |
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<a name="l00066"></a>00066 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> |
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<a name="l00067"></a><a class="code" href="group__dbprim__smat.html#ga28">00067</a> <a class="code" href="group__dbprim__smat.html#ga28">_sh_flush_iter</a>(<a class="code" href="struct__link__head__s.html">link_head_t</a> *head, <a class="code" href="struct__link__elem__s.html">link_elem_t</a> *elem, <span class="keywordtype">void</span> *extra) |
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<a name="l00068"></a>00068 { |
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<a name="l00069"></a>00069 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> retval = 0; |
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<a name="l00070"></a>00070 <span class="keyword">struct </span><a class="code" href="struct__sh__flush__s.html">_sh_flush_s</a> *sf; |
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<a name="l00071"></a>00071 |
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<a name="l00072"></a>00072 sf = extra; |
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<a name="l00073"></a>00073 |
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<a name="l00074"></a>00074 <span class="comment">/* Remove the object from all lists first */</span> |
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<a name="l00075"></a>00075 <span class="keywordflow">if</span> (<a class="code" href="group__dbprim__smat.html#ga23">_st_remove</a>(sf-><a class="code" href="struct__sh__flush__s.html#o0">sf_table</a>, <a class="code" href="group__dbprim__link.html#ga25">le_object</a>(elem), <a class="code" href="group__dbprim__smat.html#ga68">ST_REM_HASH</a> | |
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<a name="l00076"></a>00076 (sf-><a class="code" href="struct__sh__flush__s.html#o1">sf_elem</a> == <a class="code" href="group__dbprim__smat.html#gga70a137">SMAT_LOC_FIRST</a> ? <a class="code" href="group__dbprim__smat.html#ga67">ST_REM_SECOND</a> : |
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<a name="l00077"></a>00077 <a class="code" href="group__dbprim__smat.html#ga66">ST_REM_FIRST</a>))) |
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<a name="l00078"></a>00078 <span class="keywordflow">return</span> DB_ERR_UNRECOVERABLE; |
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<a name="l00079"></a>00079 |
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<a name="l00080"></a>00080 <span class="comment">/* call the user flush function if so desired */</span> |
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<a name="l00081"></a>00081 <span class="keywordflow">if</span> (sf-><a class="code" href="struct__sh__flush__s.html#o2">sf_flush</a>) |
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<a name="l00082"></a>00082 retval = (*sf-><a class="code" href="struct__sh__flush__s.html#o2">sf_flush</a>)(sf-><a class="code" href="struct__sh__flush__s.html#o0">sf_table</a>, <a class="code" href="group__dbprim__link.html#ga25">le_object</a>(elem), sf-><a class="code" href="struct__sh__flush__s.html#o3">sf_extra</a>); |
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<a name="l00083"></a>00083 |
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<a name="l00084"></a>00084 <a class="code" href="group__dbprim__smat.html#ga25">_smat_free</a>(<a class="code" href="group__dbprim__link.html#ga25">le_object</a>(elem)); <span class="comment">/* destroy the entry */</span> |
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<a name="l00085"></a>00085 |
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<a name="l00086"></a>00086 <span class="keywordflow">return</span> retval; |
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<a name="l00087"></a>00087 } |
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<a name="l00088"></a>00088 |
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<a name="l00089"></a>00089 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> |
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<a name="l00090"></a><a class="code" href="group__dbprim__smat.html#ga22">00090</a> <a class="code" href="group__dbprim__smat.html#ga22">sh_flush</a>(<a class="code" href="struct__smat__head__s.html">smat_head_t</a> *head, <a class="code" href="group__dbprim__smat.html#ga4">smat_iter_t</a> flush_func, <span class="keywordtype">void</span> *extra) |
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<a name="l00091"></a>00091 { |
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<a name="l00092"></a>00092 <span class="keyword">struct </span><a class="code" href="struct__sh__flush__s.html">_sh_flush_s</a> sf; |
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<a name="l00093"></a>00093 |
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<a name="l00094"></a>00094 initialize_dbpr_error_table(); <span class="comment">/* initialize error table */</span> |
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<a name="l00095"></a>00095 |
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<a name="l00096"></a>00096 <span class="keywordflow">if</span> (!<a class="code" href="group__dbprim__smat.html#ga43">sh_verify</a>(head)) <span class="comment">/* verify arguments */</span> |
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<a name="l00097"></a>00097 <span class="keywordflow">return</span> DB_ERR_BADARGS; |
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<a name="l00098"></a>00098 |
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<a name="l00099"></a>00099 <span class="comment">/* initialize extra data... */</span> |
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<a name="l00100"></a>00100 sf.<a class="code" href="struct__sh__flush__s.html#o0">sf_table</a> = head-><a class="code" href="struct__smat__head__s.html#o2">sh_table</a>; |
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<a name="l00101"></a>00101 sf.<a class="code" href="struct__sh__flush__s.html#o1">sf_elem</a> = head-><a class="code" href="struct__smat__head__s.html#o1">sh_elem</a>; |
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<a name="l00102"></a>00102 sf.<a class="code" href="struct__sh__flush__s.html#o2">sf_flush</a> = flush_func; |
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<a name="l00103"></a>00103 sf.<a class="code" href="struct__sh__flush__s.html#o3">sf_extra</a> = extra; |
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<a name="l00104"></a>00104 |
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<a name="l00105"></a>00105 <span class="comment">/* call into linked list library to flush the list */</span> |
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<a name="l00106"></a>00106 <span class="keywordflow">return</span> <a class="code" href="group__dbprim__link.html#ga11">ll_flush</a>(&head-><a class="code" href="struct__smat__head__s.html#o3">sh_head</a>, <a class="code" href="group__dbprim__smat.html#ga28">_sh_flush_iter</a>, &sf); |
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<a name="l00107"></a>00107 } |
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sat Jul 15 14:10:33 2006 for DatabasePrimitivesLibrary by |
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