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<a class="el" href="dir_897b6a2d7bab147dd1db58381aad3984.html">src</a> » <a class="el" href="dir_832905b1f7f5feaf61a306b40c0ac817.html">sys</a> » <a class="el" href="dir_d9dcf62a8e8b4cc91cbf2445d76a799b.html">lib</a></div>
<h1>string.c</h1><a href="string_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>
<a name="l00002"></a>00002 <span class="comment"> Copyright (c) 2002-2004 The UbixOS Project</span>
<a name="l00003"></a>00003 <span class="comment"> All rights reserved.</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> Redistribution and use in source and binary forms, with or without modification, are</span>
<a name="l00006"></a>00006 <span class="comment"> permitted provided that the following conditions are met:</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment"> Redistributions of source code must retain the above copyright notice, this list of</span>
<a name="l00009"></a>00009 <span class="comment"> conditions, the following disclaimer and the list of authors. Redistributions in binary</span>
<a name="l00010"></a>00010 <span class="comment"> form must reproduce the above copyright notice, this list of conditions, the following</span>
<a name="l00011"></a>00011 <span class="comment"> disclaimer and the list of authors in the documentation and/or other materials provided</span>
<a name="l00012"></a>00012 <span class="comment"> with the distribution. Neither the name of the UbixOS Project nor the names of its</span>
<a name="l00013"></a>00013 <span class="comment"> contributors may be used to endorse or promote products derived from this software</span>
<a name="l00014"></a>00014 <span class="comment"> without specific prior written permission.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY</span>
<a name="l00017"></a>00017 <span class="comment"> EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span>
<a name="l00018"></a>00018 <span class="comment"> MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL</span>
<a name="l00019"></a>00019 <span class="comment"> THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00020"></a>00020 <span class="comment"> SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span>
<a name="l00021"></a>00021 <span class="comment"> OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)</span>
<a name="l00022"></a>00022 <span class="comment"> HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR</span>
<a name="l00023"></a>00023 <span class="comment"> TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS</span>
<a name="l00024"></a>00024 <span class="comment"> SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00025"></a>00025 <span class="comment"></span>
<a name="l00026"></a>00026 <span class="comment"> $Id: string_8c-source.html 88 2016-01-12 00:11:29Z reddawg $</span>
<a name="l00027"></a>00027 <span class="comment"></span>
<a name="l00028"></a>00028 <span class="comment">*****************************************************************************************/</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="preprocessor">#include <<a class="code" href="lib_2string_8h.html">lib/string.h</a>></span>
<a name="l00031"></a>00031
<a name="l00032"></a><a class="code" href="string_8c.html#6f3dcb20ff11ff9db5904c3cfb61a38c">00032</a> <span class="keywordtype">int</span> <a class="code" href="lib_2string_8h.html#6f3dcb20ff11ff9db5904c3cfb61a38c">strcmp</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *str1,<span class="keyword">const</span> <span class="keywordtype">char</span> *str2) {
<a name="l00033"></a>00033 <span class="keywordflow">while</span> ((*str1 == *str2) && (*str1 != 0x0) && (*str2 != 0x0)) {
<a name="l00034"></a>00034 str1++;
<a name="l00035"></a>00035 str2++;
<a name="l00036"></a>00036 }
<a name="l00037"></a>00037 <span class="keywordflow">if</span> (*str1 == *str2) {
<a name="l00038"></a>00038 <span class="keywordflow">return</span>(0);
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*str1 > *str2) {
<a name="l00041"></a>00041 <span class="keywordflow">return</span>(1);
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043 <span class="keywordflow">else</span> {
<a name="l00044"></a>00044 <span class="keywordflow">return</span>(-1);
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047
<a name="l00048"></a><a class="code" href="string_8c.html#db3227f852046ace07342303d3e87c78">00048</a> <span class="keywordtype">int</span> <a class="code" href="lib_2string_8h.html#db3227f852046ace07342303d3e87c78">strncmp</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> * a, <span class="keyword">const</span> <span class="keywordtype">char</span> * b, <a class="code" href="types_8h.html#7619b847aeded8a6d14cbfa212b2cdfb">size_t</a> c) {
<a name="l00049"></a>00049 <span class="keywordtype">int</span> i = 0;
<a name="l00050"></a>00050 <span class="keywordflow">while</span> (i < c) {
<a name="l00051"></a>00051 <span class="keywordflow">if</span> ((a[i] != b[i]) || (a[i] == <span class="charliteral">'\0'</span>) || (b[i] == <span class="charliteral">'\0'</span>))
<a name="l00052"></a>00052 <span class="keywordflow">return</span> a[i] - b[i];
<a name="l00053"></a>00053 i++;
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055 <span class="keywordflow">return</span> 0;
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057
<a name="l00058"></a>00058
<a name="l00059"></a>00059
<a name="l00060"></a><a class="code" href="string_8c.html#a200c46ad1add3796fc33686eff3afac">00060</a> <span class="keywordtype">void</span> *<a class="code" href="string_8c.html#a200c46ad1add3796fc33686eff3afac">memcpyold</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *dst, <span class="keyword">const</span> <span class="keywordtype">void</span> * src, <a class="code" href="types_8h.html#7619b847aeded8a6d14cbfa212b2cdfb">size_t</a> length) {
<a name="l00061"></a>00061 <span class="comment">//size_t x = length >> 2;</span>
<a name="l00062"></a>00062 <span class="comment">//size_t y = length;// & 0xf;</span>
<a name="l00063"></a>00063 <a class="code" href="types_8h.html#7619b847aeded8a6d14cbfa212b2cdfb">size_t</a> i;
<a name="l00064"></a>00064 <span class="comment">/*</span>
<a name="l00065"></a>00065 <span class="comment"> for (i = 0; i < x; i++) {</span>
<a name="l00066"></a>00066 <span class="comment"> ((unsigned long *)dst)[i] = ((unsigned long *)src)[i];</span>
<a name="l00067"></a>00067 <span class="comment"> }</span>
<a name="l00068"></a>00068 <span class="comment">*/</span>
<a name="l00069"></a>00069 <span class="comment">/*</span>
<a name="l00070"></a>00070 <span class="comment"> for (i = 0; i < y; i++) {</span>
<a name="l00071"></a>00071 <span class="comment"> ((char *) dst)[length-y+i] = ((char *) src)[length-y+i];</span>
<a name="l00072"></a>00072 <span class="comment"> }</span>
<a name="l00073"></a>00073 <span class="comment">*/</span>
<a name="l00074"></a>00074 <span class="keywordflow">for</span> (i = 0x0;i < length;i++)
<a name="l00075"></a>00075 ((<span class="keywordtype">char</span> *)dst)[i] = ((<span class="keywordtype">char</span> *)src)[i];
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordflow">return</span>((<span class="keywordtype">void</span> *)dst);
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079
<a name="l00080"></a><a class="code" href="string_8c.html#3ecfabf29de8f914413abc2da01f5ca5">00080</a> <span class="keywordtype">int</span> <a class="code" href="lib_2string_8h.html#3ecfabf29de8f914413abc2da01f5ca5">memcmp</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> * dst, <span class="keyword">const</span> <span class="keywordtype">void</span> * src, <a class="code" href="types_8h.html#7619b847aeded8a6d14cbfa212b2cdfb">size_t</a> length)
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 <a class="code" href="types_8h.html#7619b847aeded8a6d14cbfa212b2cdfb">size_t</a> x = length >> 2;
<a name="l00083"></a>00083 <a class="code" href="types_8h.html#7619b847aeded8a6d14cbfa212b2cdfb">size_t</a> y = length & 0xf;
<a name="l00084"></a>00084 <a class="code" href="types_8h.html#7619b847aeded8a6d14cbfa212b2cdfb">size_t</a> i;
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <span class="keywordflow">for</span> (i = 0; i < x; i++)
<a name="l00087"></a>00087 {
<a name="l00088"></a>00088 <span class="keywordflow">if</span> (((<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *)dst)[i] > ((<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *)src)[i])
<a name="l00089"></a>00089 <span class="keywordflow">return</span> 1;
<a name="l00090"></a>00090 <span class="keywordflow">if</span> (((<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *)dst)[i] < ((<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> *)src)[i])
<a name="l00091"></a>00091 <span class="keywordflow">return</span> -1;
<a name="l00092"></a>00092 }
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keywordflow">for</span> (i = 0; i < y; i++)
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 <span class="keywordflow">if</span> (((<span class="keywordtype">char</span> *) dst)[length-y+i] > ((<span class="keywordtype">char</span> *) src)[length-y+i])
<a name="l00097"></a>00097 <span class="keywordflow">return</span> 1;
<a name="l00098"></a>00098 <span class="keywordflow">if</span> (((<span class="keywordtype">char</span> *) dst)[length-y+i] < ((<span class="keywordtype">char</span> *) src)[length-y+i])
<a name="l00099"></a>00099 <span class="keywordflow">return</span> -1;
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="keywordflow">return</span> 0;
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104
<a name="l00105"></a><a class="code" href="string_8c.html#2a6bedbfab350cd17b80849f5f9234e9">00105</a> <span class="keywordtype">void</span> <a class="code" href="lib_2string_8h.html#2a6bedbfab350cd17b80849f5f9234e9">strncpy</a>(<span class="keywordtype">char</span> * dest, <span class="keyword">const</span> <span class="keywordtype">char</span> * src, <a class="code" href="types_8h.html#7619b847aeded8a6d14cbfa212b2cdfb">size_t</a> size)
<a name="l00106"></a>00106 {
<a name="l00107"></a>00107 <span class="keywordflow">if</span> (size == 0)
<a name="l00108"></a>00108 <span class="keywordflow">return</span>;
<a name="l00109"></a>00109 <span class="keywordflow">do</span>
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 *dest = *src;
<a name="l00112"></a>00112 dest++; src++;
<a name="l00113"></a>00113 size--;
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115 <span class="keywordflow">while</span>((<span class="charliteral">'\0'</span> != *(src-1)) && (size));
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117
<a name="l00118"></a><a class="code" href="string_8c.html#dcec9a82a6a276e8edb0fd4fc26fe8f2">00118</a> <span class="keywordtype">char</span> *<a class="code" href="lib_2string_8h.html#dcec9a82a6a276e8edb0fd4fc26fe8f2">strstr</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *s,<span class="keywordtype">char</span> *find) {
<a name="l00119"></a>00119 <span class="keywordtype">char</span> c, sc;
<a name="l00120"></a>00120 <a class="code" href="types_8h.html#7619b847aeded8a6d14cbfa212b2cdfb">size_t</a> len;
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="keywordflow">if</span> ((c = *find++) != 0) {
<a name="l00123"></a>00123 len = <a class="code" href="strlen_8S.html#0bcafbeba7f59f157715cc462036b8d3">strlen</a>(find);
<a name="l00124"></a>00124 <span class="keywordflow">do</span> {
<a name="l00125"></a>00125 <span class="keywordflow">do</span> {
<a name="l00126"></a>00126 <span class="keywordflow">if</span> ((sc = *s++) == 0)
<a name="l00127"></a>00127 <span class="keywordflow">return</span> (<a class="code" href="types_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00128"></a>00128 } <span class="keywordflow">while</span> (sc != c);
<a name="l00129"></a>00129 } <span class="keywordflow">while</span> (<a class="code" href="lib_2string_8h.html#db3227f852046ace07342303d3e87c78">strncmp</a>(s, find, len) != 0);
<a name="l00130"></a>00130 s--;
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132 <span class="keywordflow">return</span> ((<span class="keywordtype">char</span> *)s);
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="comment">/***</span>
<a name="l00137"></a>00137 <span class="comment"> $Log: string_8c-source.html,v $
<a name="l00137"></a>00137 <span class="comment"> Revision 1.7 2006/12/15 17:47:07 reddawg
<a name="l00137"></a>00137 <span class="comment"> Updates
<a name="l00137"></a>00137 <span class="comment"></span>
<a name="l00138"></a>00138 <span class="comment"> Revision 1.3 2006/12/12 14:09:18 reddawg</span>
<a name="l00139"></a>00139 <span class="comment"> Changes</span>
<a name="l00140"></a>00140 <span class="comment"></span>
<a name="l00141"></a>00141 <span class="comment"> Revision 1.2 2006/12/05 14:10:21 reddawg</span>
<a name="l00142"></a>00142 <span class="comment"> Workign Distro</span>
<a name="l00143"></a>00143 <span class="comment"></span>
<a name="l00144"></a>00144 <span class="comment"> Revision 1.1.1.1 2006/06/01 12:46:16 reddawg</span>
<a name="l00145"></a>00145 <span class="comment"> ubix2</span>
<a name="l00146"></a>00146 <span class="comment"></span>
<a name="l00147"></a>00147 <span class="comment"> Revision 1.2 2005/10/12 00:13:37 reddawg</span>
<a name="l00148"></a>00148 <span class="comment"> Removed</span>
<a name="l00149"></a>00149 <span class="comment"></span>
<a name="l00150"></a>00150 <span class="comment"> Revision 1.1.1.1 2005/09/26 17:24:13 reddawg</span>
<a name="l00151"></a>00151 <span class="comment"> no message</span>
<a name="l00152"></a>00152 <span class="comment"></span>
<a name="l00153"></a>00153 <span class="comment"> Revision 1.6 2004/07/28 15:05:43 reddawg</span>
<a name="l00154"></a>00154 <span class="comment"> Major:</span>
<a name="l00155"></a>00155 <span class="comment"> Pages now have strict security enforcement.</span>
<a name="l00156"></a>00156 <span class="comment"> Many null dereferences have been resolved.</span>
<a name="l00157"></a>00157 <span class="comment"> When apps loaded permissions set for pages rw and ro</span>
<a name="l00158"></a>00158 <span class="comment"></span>
<a name="l00159"></a>00159 <span class="comment"> Revision 1.5 2004/07/20 18:42:41 flameshadow</span>
<a name="l00160"></a>00160 <span class="comment"> add: strcpy()</span>
<a name="l00161"></a>00161 <span class="comment"> chg: modified dirCache.c to use strcpy()</span>
<a name="l00162"></a>00162 <span class="comment"></span>
<a name="l00163"></a>00163 <span class="comment"> Revision 1.4 2004/07/05 23:06:32 reddawg</span>
<a name="l00164"></a>00164 <span class="comment"> Fixens</span>
<a name="l00165"></a>00165 <span class="comment"></span>
<a name="l00166"></a>00166 <span class="comment"> Revision 1.3 2004/06/28 23:12:58 reddawg</span>
<a name="l00167"></a>00167 <span class="comment"> file format now container:/path/to/file</span>
<a name="l00168"></a>00168 <span class="comment"></span>
<a name="l00169"></a>00169 <span class="comment"> Revision 1.2 2004/05/19 14:40:58 reddawg</span>
<a name="l00170"></a>00170 <span class="comment"> Cleaned up some warning from leaving out typedefs</span>
<a name="l00171"></a>00171 <span class="comment"></span>
<a name="l00172"></a>00172 <span class="comment"> Revision 1.1.1.1 2004/04/15 12:07:11 reddawg</span>
<a name="l00173"></a>00173 <span class="comment"> UbixOS v1.0</span>
<a name="l00174"></a>00174 <span class="comment"></span>
<a name="l00175"></a>00175 <span class="comment"> Revision 1.5 2004/04/13 16:36:33 reddawg</span>
<a name="l00176"></a>00176 <span class="comment"> Changed our copyright, it is all now under a BSD-Style license</span>
<a name="l00177"></a>00177 <span class="comment"></span>
<a name="l00178"></a>00178 <span class="comment"> END</span>
<a name="l00179"></a>00179 <span class="comment"> ***/</span>
<a name="l00180"></a>00180
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Fri Dec 15 11:18:55 2006 for UbixOS V2 by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address>
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