stdtp_8h-source.html

FastDb是高效的内存数据库系统

00138 <span class="preprocessor">#if !defined(bool) &amp;&amp; (defined(__SUNPRO_CC) || defined(__IBMCPP__))</span>
00139 <span class="preprocessor"></span><span class="preprocessor">#define bool  char</span>
00140 <span class="preprocessor"></span><span class="preprocessor">#define true  (1)</span>
00141 <span class="preprocessor"></span><span class="preprocessor">#define false (0)</span>
00142 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00143 <span class="preprocessor"></span>
00144 <span class="preprocessor">#define nat8_low_part(x)  ((nat4)(x))</span>
00145 <span class="preprocessor"></span><span class="preprocessor">#define nat8_high_part(x) ((nat4)((nat8)(x)&gt;&gt;32))</span>
00146 <span class="preprocessor"></span><span class="preprocessor">#define int8_low_part(x)  ((int4)(x))</span>
00147 <span class="preprocessor"></span><span class="preprocessor">#define int8_high_part(x) ((int4)((db_int8)(x)&gt;&gt;32))</span>
00148 <span class="preprocessor"></span><span class="preprocessor">#define cons_nat8(hi, lo) ((((nat8)(hi)) &lt;&lt; 32) | (nat4)(lo))</span>
00149 <span class="preprocessor"></span><span class="preprocessor">#define cons_int8(hi, lo) ((((db_int8)(hi)) &lt;&lt; 32) | (nat4)(lo))</span>
00150 <span class="preprocessor"></span> 
00151 <span class="preprocessor">#define MAX_NAT8  nat8(-1)</span>
00152 <span class="preprocessor"></span>
00153 <span class="preprocessor">#ifndef INT8_IS_DEFINED</span>
00154 <span class="preprocessor"></span><span class="keyword">typedef</span> db_int8 int8;
00155 <span class="preprocessor">#endif</span>
00156 <span class="preprocessor"></span><span class="keyword">typedef</span> db_nat8 nat8;
00157 
00158 <span class="keyword">typedef</span> <span class="keywordtype">float</span>  real4;
00159 <span class="keyword">typedef</span> <span class="keywordtype">double</span> real8; 
00160 
00161 <span class="preprocessor">#ifndef BIG_ENDIAN</span>
00162 <span class="preprocessor"></span><span class="preprocessor">#define BIG_ENDIAN      4321    </span><span class="comment">/* most-significant byte first (IBM, net) */</span>
00163 <span class="preprocessor">#endif</span>
00164 <span class="preprocessor"></span><span class="preprocessor">#ifndef LITTLE_ENDIAN</span>
00165 <span class="preprocessor"></span><span class="preprocessor">#define LITTLE_ENDIAN   1234</span>
00166 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00167 <span class="preprocessor"></span>
00168 <span class="preprocessor">#ifndef BYTE_ORDER</span>
00169 <span class="preprocessor"></span><span class="preprocessor">#if defined(__sparc__) || defined(__m68k__)</span>
00170 <span class="preprocessor"></span><span class="preprocessor">#define BYTE_ORDER      BIG_ENDIAN </span>
00171 <span class="preprocessor"></span><span class="preprocessor">#else</span>
00172 <span class="preprocessor"></span><span class="preprocessor">#define BYTE_ORDER      LITTLE_ENDIAN</span>
00173 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00174 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00175 <span class="preprocessor"></span>
00176 <span class="preprocessor">#ifdef _WIN32</span>
00177 <span class="preprocessor"></span><span class="keyword">typedef</span> HANDLE descriptor_t; 
00178 <span class="preprocessor">#else</span>
00179 <span class="preprocessor"></span><span class="keyword">typedef</span> <span class="keywordtype">int</span> descriptor_t; 
00180 <span class="preprocessor">#endif</span>
00181 <span class="preprocessor"></span>
00182 <span class="preprocessor">#if !defined(_fastcall) &amp;&amp; (!defined(_WIN32) || defined(__IBMCPP__) || defined(__MINGW32__))</span>
00183 <span class="preprocessor"></span><span class="preprocessor">#define _fastcall</span>
00184 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00185 <span class="preprocessor"></span>
00186 <span class="preprocessor">#if defined(_WIN32) || !defined(NO_PTHREADS)</span>
00187 <span class="preprocessor"></span><span class="preprocessor">#define THREADS_SUPPORTED 1</span>
00188 <span class="preprocessor"></span><span class="preprocessor">#else</span>
00189 <span class="preprocessor"></span><span class="preprocessor">#define THREADS_SUPPORTED 0</span>
00190 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00191 <span class="preprocessor"></span>
00192 <span class="preprocessor">#define itemsof(array) (sizeof(array)/sizeof*(array))</span>
00193 <span class="preprocessor"></span>
00194 
00195 <span class="keyword">extern</span> FASTDB_DLL_ENTRY byte* dbMalloc(size_t size);
00196 <span class="keyword">extern</span> FASTDB_DLL_ENTRY <span class="keywordtype">void</span>  dbFree(<span class="keywordtype">void</span>* ptr);
00197 
00198 <span class="preprocessor">#if !defined(USE_POSIX_MMAP) &amp;&amp; defined(DISKLESS_CONFIGURATION)</span>
00199 <span class="preprocessor"></span><span class="comment">// To enable sharing of database in diskless configuration we have to use</span>
00200 <span class="comment">// shmap instead of mmap, which anonymous region is private to process.</span>
00201 <span class="preprocessor">#define USE_POSIX_MMAP 0</span>
00202 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00203 <span class="preprocessor"></span>
00204 <span class="preprocessor">#if defined(USE_POSIX_MMAP) &amp;&amp; !USE_POSIX_MMAP</span>
00205 <span class="preprocessor"></span><span class="comment">// allocate space for the database using Sys-V shmat</span>
00206 <span class="preprocessor">#define USE_SYSV_SHARED_MEMORY 1</span>
00207 <span class="preprocessor"></span><span class="preprocessor">#if !defined(NO_MMAP) &amp;&amp; !defined(DISKLESS_CONFIGURATION)</span>
00208 <span class="preprocessor"></span><span class="preprocessor">#define NO_MMAP 1</span>
00209 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00210 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00211 <span class="preprocessor"></span>
00212 <span class="preprocessor">#if !defined(_WIN32)</span>
00213 <span class="preprocessor"></span><span class="preprocessor">#define NO_STRICMP  1</span>
00214 <span class="preprocessor"></span><span class="preprocessor">#define NO_STRICOLL 1</span>
00215 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
00216 <span class="preprocessor"></span>
00217 <span class="preprocessor">#if defined(IGNORE_CASE) &amp;&amp; defined(NO_STRICMP) </span>
00218 <span class="preprocessor"></span><span class="preprocessor">#include &lt;ctype.h&gt;</span>
00219 <span class="keyword">inline</span> <span class="keywordtype">int</span> stricmp(<span class="keyword">const</span> <span class="keywordtype">char</span>* p, <span class="keyword">const</span> <span class="keywordtype">char</span>* q)
00220 {
00221     <span class="keywordflow">while</span> (toupper(*(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)p) == toupper(*(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)q)) { 
00222         <span class="keywordflow">if</span> (*p == <span class="charliteral">'\0'</span>) { 
00223             <span class="keywordflow">return</span> 0;
00224         }
00225         p += 1;
00226         q += 1;
00227     }
00228     <span class="keywordflow">return</span> toupper(*(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)p) - toupper(*(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*)q);
00229 }
00230 <span class="preprocessor">#endif</span>
00231 <span class="preprocessor"></span>
00232 <span class="preprocessor">#if defined(IGNORE_CASE) &amp;&amp; defined(USE_LOCALE_SETTINGS) &amp;&amp; defined(NO_STRICOLL) </span>
00233 <span class="preprocessor"></span><span class="preprocessor">#include &lt;ctype.h&gt;</span>
00234 <span class="keyword">inline</span> <span class="keywordtype">int</span> stricoll(<span class="keyword">const</span> <span class="keywordtype">char</span>* p, <span class="keyword">const</span> <span class="keywordtype">char</span>* q)
00235 {
00236     <span class="keywordtype">char</span>   p_buf[256];
00237     <span class="keywordtype">char</span>   q_buf[256];
00238     size_t p_len = strlen(p);
00239     size_t q_len = strlen(q);
00240     <span class="keywordtype">char</span>*  p_dst = p_buf; 
00241     <span class="keywordtype">char</span>*  q_dst = q_buf; 
00242     <span class="keywordtype">int</span>    i;
00243     <span class="keywordflow">if</span> (p_len &gt;= <span class="keyword">sizeof</span>(p_buf)) { 
00244         p_dst = <span class="keyword">new</span> <span class="keywordtype">char</span>[p_len+1];
00245     }
00246     <span class="keywordflow">if</span> (q_len &gt;= <span class="keyword">sizeof</span>(q_buf)) { 
00247         q_dst = <span class="keyword">new</span> <span class="keywordtype">char</span>[q_len+1];
00248     }
00249     <span class="keywordflow">for</span> (i = 0; p[i] != <span class="charliteral">'\0'</span>; i++) { 
00250         p_dst[i] = toupper(p[i] &amp; 0xFF);
00251     }
00252     p_dst[i] = <span class="charliteral">'\0'</span>;
00253 
00254     <span class="keywordflow">for</span> (i = 0; q[i] != <span class="charliteral">'\0'</span>; i++) { 
00255         q_dst[i] = toupper(q[i] &amp; 0xFF);
00256     }
00257     q_dst[i] = <span class="charliteral">'\0'</span>;
00258 
00259     <span class="keywordtype">int</span> diff = strcoll(p_dst, q_dst);
00260     <span class="keywordflow">if</span> (p_dst != p_buf) { 
00261         <span class="keyword">delete</span>[] p_dst;
00262     }
00263     <span class="keywordflow">if</span> (q_dst != q_buf) { 
00264         <span class="keyword">delete</span>[] q_dst;
00265     }
00266     <span class="keywordflow">return</span> diff;
00267 }
00268 <span class="preprocessor">#endif</span>
00269 <span class="preprocessor"></span>
00270 <span class="preprocessor">#endif</span>
00271 <span class="preprocessor"></span>
00272 
00273 
00274 
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu Feb 12 13:04:48 2004 for FastDB by
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</a>1.3.5 </small></address>
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