<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
<title>UbixOS V2: src/sys/lib/vsprintf.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 1.4.7 -->
<div class="tabs">
<ul>
<li><a href="main.html"><span>Main Page</span></a></li>
<li><a href="classes.html"><span>Data Structures</span></a></li>
<li id="current"><a href="files.html"><span>Files</span></a></li>
<li><a href="dirs.html"><span>Directories</span></a></li>
<li>
<form action="search.php" method="get">
<table cellspacing="0" cellpadding="0" border="0">
<tr>
<td><label> <u>S</u>earch for </label></td>
<td><input type="text" name="query" value="" size="20" accesskey="s"/></td>
</tr>
</table>
</form>
</li>
</ul></div>
<div class="tabs">
<ul>
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>Globals</span></a></li>
</ul></div>
<div class="nav">
<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>vsprintf.c</h1><a href="vsprintf_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 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"> $Log: vsprintf_8c-source.html,v $
<a name="l00026"></a>00026 <span class="comment"> Revision 1.7 2006/12/15 17:47:08 reddawg
<a name="l00026"></a>00026 <span class="comment"> Updates
<a name="l00026"></a>00026 <span class="comment"></span>
<a name="l00027"></a>00027 <span class="comment"> Revision 1.1.1.1 2006/06/01 12:46:16 reddawg</span>
<a name="l00028"></a>00028 <span class="comment"> ubix2</span>
<a name="l00029"></a>00029 <span class="comment"></span>
<a name="l00030"></a>00030 <span class="comment"> Revision 1.2 2005/10/12 00:13:37 reddawg</span>
<a name="l00031"></a>00031 <span class="comment"> Removed</span>
<a name="l00032"></a>00032 <span class="comment"></span>
<a name="l00033"></a>00033 <span class="comment"> Revision 1.1.1.1 2005/09/26 17:24:14 reddawg</span>
<a name="l00034"></a>00034 <span class="comment"> no message</span>
<a name="l00035"></a>00035 <span class="comment"></span>
<a name="l00036"></a>00036 <span class="comment"> Revision 1.2 2004/06/28 23:12:58 reddawg</span>
<a name="l00037"></a>00037 <span class="comment"> file format now container:/path/to/file</span>
<a name="l00038"></a>00038 <span class="comment"></span>
<a name="l00039"></a>00039 <span class="comment"> Revision 1.1.1.1 2004/04/15 12:07:11 reddawg</span>
<a name="l00040"></a>00040 <span class="comment"> UbixOS v1.0</span>
<a name="l00041"></a>00041 <span class="comment"></span>
<a name="l00042"></a>00042 <span class="comment"> Revision 1.3 2004/04/13 16:36:33 reddawg</span>
<a name="l00043"></a>00043 <span class="comment"> Changed our copyright, it is all now under a BSD-Style license</span>
<a name="l00044"></a>00044 <span class="comment"></span>
<a name="l00045"></a>00045 <span class="comment"></span>
<a name="l00046"></a>00046 <span class="comment"></span>
<a name="l00047"></a>00047 <span class="comment"> $Id: vsprintf_8c-source.html 88 2016-01-12 00:11:29Z reddawg $</span>
<a name="l00048"></a>00048 <span class="comment"></span>
<a name="l00049"></a>00049 <span class="comment">*****************************************************************************************/</span>
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="comment">/* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */</span>
<a name="l00052"></a>00052 <span class="comment">/*</span>
<a name="l00053"></a>00053 <span class="comment"> * Wirzenius wrote this portably, Torvalds fucked it up :-)</span>
<a name="l00054"></a>00054 <span class="comment"> */</span>
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="preprocessor">#include <<a class="code" href="stdarg_8h.html">stdarg.h</a>></span>
<a name="l00057"></a>00057 <span class="preprocessor">#include <<a class="code" href="lib_2string_8h.html">lib/string.h</a>></span>
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="comment">/* we use this so that we can do without the ctype library */</span>
<a name="l00060"></a><a class="code" href="vsprintf_8c.html#2eb96152a52d739e41d16c53a2e419f3">00060</a> <span class="preprocessor">#define is_digit(c) ((c) >= '0' && (c) <= '9')</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span>
<a name="l00062"></a><a class="code" href="vsprintf_8c.html#3fa7c8ef8597579301cb4b5c59bc6d9a">00062</a> <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="vsprintf_8c.html#3fa7c8ef8597579301cb4b5c59bc6d9a">skip_atoi</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> **s)
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <span class="keywordtype">int</span> i=0;
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordflow">while</span> (<a class="code" href="vsprintf_8c.html#2eb96152a52d739e41d16c53a2e419f3">is_digit</a>(**s))
<a name="l00067"></a>00067 i = i*10 + *((*s)++) - <span class="charliteral">'0'</span>;
<a name="l00068"></a>00068 <span class="keywordflow">return</span> i;
<a name="l00069"></a>00069 }
<a name="l00070"></a>00070
<a name="l00071"></a><a class="code" href="vsprintf_8c.html#31373af6ef84e6fc25d9a9133522e4a6">00071</a> <span class="preprocessor">#define ZEROPAD 1 </span><span class="comment">/* pad with zero */</span>
<a name="l00072"></a><a class="code" href="vsprintf_8c.html#9576d2d6eb782d532607bac077e87892">00072</a> <span class="preprocessor">#define SIGN 2 </span><span class="comment">/* unsigned/signed long */</span>
<a name="l00073"></a><a class="code" href="vsprintf_8c.html#0ea7ff5947c5f5430a29fdd98391eb2a">00073</a> <span class="preprocessor">#define PLUS 4 </span><span class="comment">/* show plus */</span>
<a name="l00074"></a><a class="code" href="vsprintf_8c.html#5ff6e798033f03e74730e99f01936f84">00074</a> <span class="preprocessor">#define SPACE 8 </span><span class="comment">/* space if plus */</span>
<a name="l00075"></a><a class="code" href="vsprintf_8c.html#437ef08681e7210d6678427030446a54">00075</a> <span class="preprocessor">#define LEFT 16 </span><span class="comment">/* left justified */</span>
<a name="l00076"></a><a class="code" href="vsprintf_8c.html#84acb423f634978b61ac46856de40a70">00076</a> <span class="preprocessor">#define SPECIAL 32 </span><span class="comment">/* 0x */</span>
<a name="l00077"></a><a class="code" href="vsprintf_8c.html#09c78d2f8feb311dd9fc969a0bf84979">00077</a> <span class="preprocessor">#define SMALL 64 </span><span class="comment">/* use 'abcdef' instead of 'ABCDEF' */</span>
<a name="l00078"></a>00078
<a name="l00079"></a><a class="code" href="vsprintf_8c.html#71a962bd85fdfc754c583d48d47e2040">00079</a> <span class="preprocessor">#define do_div(n,base) ({ \</span>
<a name="l00080"></a>00080 <span class="preprocessor">int __res; \</span>
<a name="l00081"></a>00081 <span class="preprocessor">__asm__("divl %4":"=a" (n),"=d" (__res):"0" (n),"1" (0),"r" (base)); \</span>
<a name="l00082"></a>00082 <span class="preprocessor">__res; })</span>
<a name="l00083"></a>00083 <span class="preprocessor"></span>
<a name="l00084"></a><a class="code" href="vsprintf_8c.html#c2f4c669c6f6aa6caa5ab8adb1b07dd0">00084</a> <span class="keyword">static</span> <span class="keywordtype">char</span> * <a class="code" href="vsprintf_8c.html#c2f4c669c6f6aa6caa5ab8adb1b07dd0">number</a>(<span class="keywordtype">char</span> * str, <span class="keywordtype">int</span> num, <span class="keywordtype">int</span> base, <span class="keywordtype">int</span> size, <span class="keywordtype">int</span> precision
<a name="l00085"></a>00085 ,<span class="keywordtype">int</span> type)
<a name="l00086"></a>00086 {
<a name="l00087"></a>00087 <span class="keywordtype">char</span> c,sign,tmp[36];
<a name="l00088"></a>00088 <span class="keyword">const</span> <span class="keywordtype">char</span> *digits=<span class="stringliteral">"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"</span>;
<a name="l00089"></a>00089 <span class="keywordtype">int</span> i;
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keywordflow">if</span> (type&<a class="code" href="vsprintf_8c.html#09c78d2f8feb311dd9fc969a0bf84979">SMALL</a>) digits=<span class="stringliteral">"0123456789abcdefghijklmnopqrstuvwxyz"</span>;
<a name="l00092"></a>00092 <span class="keywordflow">if</span> (type&<a class="code" href="vsprintf_8c.html#437ef08681e7210d6678427030446a54">LEFT</a>) type &= ~<a class="code" href="vsprintf_8c.html#31373af6ef84e6fc25d9a9133522e4a6">ZEROPAD</a>;
<a name="l00093"></a>00093 <span class="keywordflow">if</span> (base<2 || base>36)
<a name="l00094"></a>00094 <span class="keywordflow">return</span> 0;
<a name="l00095"></a>00095 c = (type & <a class="code" href="vsprintf_8c.html#31373af6ef84e6fc25d9a9133522e4a6">ZEROPAD</a>) ? <span class="charliteral">'0'</span> : <span class="charliteral">' '</span> ;
<a name="l00096"></a>00096 <span class="keywordflow">if</span> (type&<a class="code" href="vsprintf_8c.html#9576d2d6eb782d532607bac077e87892">SIGN</a> && num<0) {
<a name="l00097"></a>00097 sign=<span class="charliteral">'-'</span>;
<a name="l00098"></a>00098 num = -num;
<a name="l00099"></a>00099 } <span class="keywordflow">else</span>
<a name="l00100"></a>00100 sign=(type&<a class="code" href="vsprintf_8c.html#0ea7ff5947c5f5430a29fdd98391eb2a">PLUS</a>) ? <span class="charliteral">'+'</span> : ((type&<a class="code" href="vsprintf_8c.html#5ff6e798033f03e74730e99f01936f84">SPACE</a>) ? <span class="charliteral">' '</span> : 0);
<a name="l00101"></a>00101 <span class="keywordflow">if</span> (sign) size--;
<a name="l00102"></a>00102 <span class="keywordflow">if</span> (type&<a class="code" href="vsprintf_8c.html#84acb423f634978b61ac46856de40a70">SPECIAL</a>) {
<a name="l00103"></a>00103 <span class="keywordflow">if</span> (base==16) { size -= 2; }
<a name="l00104"></a>00104 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (base==8) { size--; }
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106 i=0;
<a name="l00107"></a>00107 <span class="keywordflow">if</span> (num==0)
<a name="l00108"></a>00108 tmp[i++]=<span class="charliteral">'0'</span>;
<a name="l00109"></a>00109 <span class="keywordflow">else</span> <span class="keywordflow">while</span> (num!=0)
<a name="l00110"></a>00110 tmp[i++]=digits[<a class="code" href="vsprintf_8c.html#71a962bd85fdfc754c583d48d47e2040">do_div</a>(num,base)];
<a name="l00111"></a>00111 <span class="keywordflow">if</span> (i>precision) precision=i;
<a name="l00112"></a>00112 size -= precision;
<a name="l00113"></a>00113 <span class="keywordflow">if</span> (!(type&(<a class="code" href="vsprintf_8c.html#31373af6ef84e6fc25d9a9133522e4a6">ZEROPAD</a>+LEFT)))
<a name="l00114"></a>00114 <span class="keywordflow">while</span>(size-->0)
<a name="l00115"></a>00115 *str++ = <span class="charliteral">' '</span>;
<a name="l00116"></a>00116 <span class="keywordflow">if</span> (sign)
<a name="l00117"></a>00117 *str++ = sign;
<a name="l00118"></a>00118 <span class="keywordflow">if</span> (type&SPECIAL) {
<a name="l00119"></a>00119 <span class="keywordflow">if</span> (base==8) {
<a name="l00120"></a>00120 *str++ = <span class="charliteral">'0'</span>;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (base==16) {
<a name="l00123"></a>00123 *str++ = <span class="charliteral">'0'</span>;
<a name="l00124"></a>00124 *str++ = digits[33];
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127 <span class="keywordflow">if</span> (!(type&LEFT))
<a name="l00128"></a>00128 <span class="keywordflow">while</span>(size-->0)
<a name="l00129"></a>00129 *str++ = c;
<a name="l00130"></a>00130 <span class="keywordflow">while</span>(i<precision--)
<a name="l00131"></a>00131 *str++ = <span class="charliteral">'0'</span>;
<a name="l00132"></a>00132 <span class="keywordflow">while</span>(i-->0)
<a name="l00133"></a>00133 *str++ = tmp[i];
<a name="l00134"></a>00134 <span class="keywordflow">while</span>(size-->0)
<a name="l00135"></a>00135 *str++ = <span class="charliteral">' '</span>;
<a name="l00136"></a>00136 <span class="keywordflow">return</span> str;
<a name="l00137"></a>00137 }
<a name="l00138"></a>00138
<a name="l00139"></a><a class="code" href="vsprintf_8c.html#621577c2df0ad5faa281223c56eeb7a5">00139</a> <span class="keywordtype">int</span> <a class="code" href="stdarg_8h.html#621577c2df0ad5faa281223c56eeb7a5">vsprintf</a>(<span class="keywordtype">char</span> *<a class="code" href="structbuf.html">buf</a>, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, <a class="code" href="stdarg_8h.html#661698386a304e27be00e5e9125a6ec5">vaList</a> args)
<a name="l00140"></a>00140 {
<a name="l00141"></a>00141 <span class="keywordtype">int</span> len;
<a name="l00142"></a>00142 <span class="keywordtype">int</span> i;
<a name="l00143"></a>00143 <span class="keywordtype">char</span> * str;
<a name="l00144"></a>00144 <span class="keywordtype">char</span> *s;
<a name="l00145"></a>00145 <span class="keywordtype">int</span> *ip;
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="keywordtype">int</span> flags; <span class="comment">/* flags to number() */</span>
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keywordtype">int</span> field_width; <span class="comment">/* width of output field */</span>
<a name="l00150"></a>00150 <span class="keywordtype">int</span> precision; <span class="comment">/* min. # of digits for integers; max</span>
<a name="l00151"></a>00151 <span class="comment"> number of chars for from string */</span>
<a name="l00152"></a>00152 <span class="keywordtype">int</span> qualifier; <span class="comment">/* 'h', 'l', or 'L' for integer fields */</span>
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="keywordflow">for</span> (str=buf ; *fmt ; ++fmt) {
<a name="l00155"></a>00155 <span class="keywordflow">if</span> (*fmt != <span class="charliteral">'%'</span>) {
<a name="l00156"></a>00156 *str++ = *fmt;
<a name="l00157"></a>00157 <span class="keywordflow">continue</span>;
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <span class="comment">/* process flags */</span>
<a name="l00161"></a>00161 flags = 0;
<a name="l00162"></a>00162 repeat:
<a name="l00163"></a>00163 ++fmt; <span class="comment">/* this also skips first '%' */</span>
<a name="l00164"></a>00164 <span class="keywordflow">switch</span> (*fmt) {
<a name="l00165"></a>00165 <span class="keywordflow">case</span> <span class="charliteral">'-'</span>: flags |= <a class="code" href="vsprintf_8c.html#437ef08681e7210d6678427030446a54">LEFT</a>; <span class="keywordflow">goto</span> repeat;
<a name="l00166"></a>00166 <span class="keywordflow">case</span> <span class="charliteral">'+'</span>: flags |= <a class="code" href="vsprintf_8c.html#0ea7ff5947c5f5430a29fdd98391eb2a">PLUS</a>; <span class="keywordflow">goto</span> repeat;
<a name="l00167"></a>00167 <span class="keywordflow">case</span> <span class="charliteral">' '</span>: flags |= <a class="code" href="vsprintf_8c.html#5ff6e798033f03e74730e99f01936f84">SPACE</a>; <span class="keywordflow">goto</span> repeat;
<a name="l00168"></a>00168 <span class="keywordflow">case</span> <span class="charliteral">'#'</span>: flags |= <a class="code" href="vsprintf_8c.html#84acb423f634978b61ac46856de40a70">SPECIAL</a>; <span class="keywordflow">goto</span> repeat;
<a name="l00169"></a>00169 <span class="keywordflow">case</span> <span class="charliteral">'0'</span>: flags |= <a class="code" href="vsprintf_8c.html#31373af6ef84e6fc25d9a9133522e4a6">ZEROPAD</a>; <span class="keywordflow">goto</span> repeat;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="comment">/* get field width */</span>
<a name="l00173"></a>00173 field_width = -1;
<a name="l00174"></a>00174 <span class="keywordflow">if</span> (<a class="code" href="vsprintf_8c.html#2eb96152a52d739e41d16c53a2e419f3">is_digit</a>(*fmt))
<a name="l00175"></a>00175 field_width = <a class="code" href="vsprintf_8c.html#3fa7c8ef8597579301cb4b5c59bc6d9a">skip_atoi</a>(&fmt);
<a name="l00176"></a>00176 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*fmt == <span class="charliteral">'*'</span>) {
<a name="l00177"></a>00177 <span class="comment">/* it's the next argument */</span>
<a name="l00178"></a>00178 field_width = <a class="code" href="stdarg_8h.html#19434d261abd3aca725fac4dace94a44">vaArg</a>(args, <span class="keywordtype">int</span>);
<a name="l00179"></a>00179 <span class="keywordflow">if</span> (field_width < 0) {
<a name="l00180"></a>00180 field_width = -field_width;
<a name="l00181"></a>00181 flags |= <a class="code" href="vsprintf_8c.html#437ef08681e7210d6678427030446a54">LEFT</a>;
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184
<a name="l00185"></a>00185 <span class="comment">/* get the precision */</span>
<a name="l00186"></a>00186 precision = -1;
<a name="l00187"></a>00187 <span class="keywordflow">if</span> (*fmt == <span class="charliteral">'.'</span>) {
<a name="l00188"></a>00188 ++fmt;
<a name="l00189"></a>00189 <span class="keywordflow">if</span> (<a class="code" href="vsprintf_8c.html#2eb96152a52d739e41d16c53a2e419f3">is_digit</a>(*fmt))
<a name="l00190"></a>00190 precision = <a class="code" href="vsprintf_8c.html#3fa7c8ef8597579301cb4b5c59bc6d9a">skip_atoi</a>(&fmt);
<a name="l00191"></a>00191 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*fmt == <span class="charliteral">'*'</span>) {
<a name="l00192"></a>00192 <span class="comment">/* it's the next argument */</span>
<a name="l00193"></a>00193 precision = <a class="code" href="stdarg_8h.html#19434d261abd3aca725fac4dace94a44">vaArg</a>(args, <span class="keywordtype">int</span>);
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195 <span class="keywordflow">if</span> (precision < 0)
<a name="l00196"></a>00196 precision = 0;
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198
<a name="l00199"></a>00199 <span class="comment">/* get the conversion qualifier */</span>
<a name="l00200"></a>00200 qualifier = -1;
<a name="l00201"></a>00201 <span class="keywordflow">if</span> (*fmt == <span class="charliteral">'h'</span> || *fmt == <span class="charliteral">'l'</span> || *fmt == <span class="charliteral">'L'</span>) {
<a name="l00202"></a>00202 qualifier = *fmt;
<a name="l00203"></a>00203 ++fmt;
<a name="l00204"></a>00204 }
<a name="l00205"></a>00205
<a name="l00206"></a>00206 <span class="keywordflow">switch</span> (*fmt) {
<a name="l00207"></a>00207 <span class="keywordflow">case</span> <span class="charliteral">'c'</span>:
<a name="l00208"></a>00208 <span class="keywordflow">if</span> (!(flags & <a class="code" href="vsprintf_8c.html#437ef08681e7210d6678427030446a54">LEFT</a>))
<a name="l00209"></a>00209 <span class="keywordflow">while</span> (--field_width > 0)
<a name="l00210"></a>00210 *str++ = <span class="charliteral">' '</span>;
<a name="l00211"></a>00211 *str++ = (<span class="keywordtype">unsigned</span> char) <a class="code" href="stdarg_8h.html#19434d261abd3aca725fac4dace94a44">vaArg</a>(args, <span class="keywordtype">int</span>);
<a name="l00212"></a>00212 <span class="keywordflow">while</span> (--field_width > 0)
<a name="l00213"></a>00213 *str++ = <span class="charliteral">' '</span>;
<a name="l00214"></a>00214 <span class="keywordflow">break</span>;
<a name="l00215"></a>00215
<a name="l00216"></a>00216 <span class="keywordflow">case</span> <span class="charliteral">'s'</span>:
<a name="l00217"></a>00217 s = <a class="code" href="stdarg_8h.html#19434d261abd3aca725fac4dace94a44">vaArg</a>(args, <span class="keywordtype">char</span> *);
<a name="l00218"></a>00218 len = <a class="code" href="strlen_8S.html#0bcafbeba7f59f157715cc462036b8d3">strlen</a>(s);
<a name="l00219"></a>00219 <span class="keywordflow">if</span> (precision < 0)
<a name="l00220"></a>00220 precision = len;
<a name="l00221"></a>00221 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len > precision)
<a name="l00222"></a>00222 len = precision;
<a name="l00223"></a>00223
<a name="l00224"></a>00224 <span class="keywordflow">if</span> (!(flags & LEFT))
<a name="l00225"></a>00225 <span class="keywordflow">while</span> (len < field_width--)
<a name="l00226"></a>00226 *str++ = <span class="charliteral">' '</span>;
<a name="l00227"></a>00227 <span class="keywordflow">for</span> (i = 0; i < len; ++i)
<a name="l00228"></a>00228 *str++ = *s++;
<a name="l00229"></a>00229 <span class="keywordflow">while</span> (len < field_width--)
<a name="l00230"></a>00230 *str++ = <span class="charliteral">' '</span>;
<a name="l00231"></a>00231 <span class="keywordflow">break</span>;
<a name="l00232"></a>00232
<a name="l00233"></a>00233 <span class="keywordflow">case</span> <span class="charliteral">'o'</span>:
<a name="l00234"></a>00234 str = <a class="code" href="vsprintf_8c.html#c2f4c669c6f6aa6caa5ab8adb1b07dd0">number</a>(str, <a class="code" href="stdarg_8h.html#19434d261abd3aca725fac4dace94a44">vaArg</a>(args, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>), 8,
<a name="l00235"></a>00235 field_width, precision, flags);
<a name="l00236"></a>00236 <span class="keywordflow">break</span>;
<a name="l00237"></a>00237
<a name="l00238"></a>00238 <span class="keywordflow">case</span> <span class="charliteral">'p'</span>:
<a name="l00239"></a>00239 <span class="keywordflow">if</span> (field_width == -1) {
<a name="l00240"></a>00240 field_width = 8;
<a name="l00241"></a>00241 flags |= <a class="code" href="vsprintf_8c.html#31373af6ef84e6fc25d9a9133522e4a6">ZEROPAD</a>;
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243 str = <a class="code" href="vsprintf_8c.html#c2f4c669c6f6aa6caa5ab8adb1b07dd0">number</a>(str,
<a name="l00244"></a>00244 (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>) <a class="code" href="stdarg_8h.html#19434d261abd3aca725fac4dace94a44">vaArg</a>(args, <span class="keywordtype">void</span> *), 16,
<a name="l00245"></a>00245 field_width, precision, flags);
<a name="l00246"></a>00246 <span class="keywordflow">break</span>;
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <span class="keywordflow">case</span> <span class="charliteral">'x'</span>:
<a name="l00249"></a>00249 flags |= <a class="code" href="vsprintf_8c.html#09c78d2f8feb311dd9fc969a0bf84979">SMALL</a>;
<a name="l00250"></a>00250 <span class="keywordflow">case</span> <span class="charliteral">'X'</span>:
<a name="l00251"></a>00251 str = <a class="code" href="vsprintf_8c.html#c2f4c669c6f6aa6caa5ab8adb1b07dd0">number</a>(str, <a class="code" href="stdarg_8h.html#19434d261abd3aca725fac4dace94a44">vaArg</a>(args, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>), 16,
<a name="l00252"></a>00252 field_width, precision, flags);
<a name="l00253"></a>00253 <span class="keywordflow">break</span>;
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <span class="keywordflow">case</span> <span class="charliteral">'d'</span>:
<a name="l00256"></a>00256 <span class="keywordflow">case</span> <span class="charliteral">'i'</span>:
<a name="l00257"></a>00257 flags |= <a class="code" href="vsprintf_8c.html#9576d2d6eb782d532607bac077e87892">SIGN</a>;
<a name="l00258"></a>00258 <span class="keywordflow">case</span> <span class="charliteral">'u'</span>:
<a name="l00259"></a>00259 str = <a class="code" href="vsprintf_8c.html#c2f4c669c6f6aa6caa5ab8adb1b07dd0">number</a>(str, <a class="code" href="stdarg_8h.html#19434d261abd3aca725fac4dace94a44">vaArg</a>(args, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>), 10,
<a name="l00260"></a>00260 field_width, precision, flags);
<a name="l00261"></a>00261 <span class="keywordflow">break</span>;
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="keywordflow">case</span> <span class="charliteral">'n'</span>:
<a name="l00264"></a>00264 ip = <a class="code" href="stdarg_8h.html#19434d261abd3aca725fac4dace94a44">vaArg</a>(args, <span class="keywordtype">int</span> *);
<a name="l00265"></a>00265 *ip = (str - buf);
<a name="l00266"></a>00266 <span class="keywordflow">break</span>;
<a name="l00267"></a>00267
<a name="l00268"></a>00268 <span class="keywordflow">default</span>:
<a name="l00269"></a>00269 <span class="keywordflow">if</span> (*fmt != <span class="charliteral">'%'</span>)
<a name="l00270"></a>00270 *str++ = <span class="charliteral">'%'</span>;
<a name="l00271"></a>00271 <span class="keywordflow">if</span> (*fmt)
<a name="l00272"></a>00272 *str++ = *fmt;
<a name="l00273"></a>00273 <span class="keywordflow">else</span>
<a name="l00274"></a>00274 --fmt;
<a name="l00275"></a>00275 <span class="keywordflow">break</span>;
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277 }
<a name="l00278"></a>00278 *str = <span class="charliteral">'\0'</span>;
<a name="l00279"></a>00279 <span class="keywordflow">return</span> str-buf;
<a name="l00280"></a>00280 }
<a name="l00281"></a>00281
<a name="l00282"></a>00282 <span class="comment">/***</span>
<a name="l00283"></a>00283 <span class="comment"> END</span>
<a name="l00284"></a>00284 <span class="comment"> ***/</span>
<a name="l00285"></a>00285
</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>
</body>
</html>
