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<h1>assert.h</h1> </div>
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<div class="contents">
<a href="assert_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* Copyright (c) 2005,2007 Joerg Wunsch</span>
<a name="l00002"></a>00002 <span class="comment"> All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment"> Portions of documentation Copyright (c) 1991, 1993</span>
<a name="l00005"></a>00005 <span class="comment"> The Regents of the University of California.</span>
<a name="l00006"></a>00006 <span class="comment"></span>
<a name="l00007"></a>00007 <span class="comment"> All rights reserved.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> Redistribution and use in source and binary forms, with or without</span>
<a name="l00010"></a>00010 <span class="comment"> modification, are permitted provided that the following conditions are met:</span>
<a name="l00011"></a>00011 <span class="comment"></span>
<a name="l00012"></a>00012 <span class="comment"> * Redistributions of source code must retain the above copyright</span>
<a name="l00013"></a>00013 <span class="comment"> notice, this list of conditions and the following disclaimer.</span>
<a name="l00014"></a>00014 <span class="comment"></span>
<a name="l00015"></a>00015 <span class="comment"> * Redistributions in binary form must reproduce the above copyright</span>
<a name="l00016"></a>00016 <span class="comment"> notice, this list of conditions and the following disclaimer in</span>
<a name="l00017"></a>00017 <span class="comment"> the documentation and/or other materials provided with the</span>
<a name="l00018"></a>00018 <span class="comment"> distribution.</span>
<a name="l00019"></a>00019 <span class="comment"></span>
<a name="l00020"></a>00020 <span class="comment"> * Neither the name of the copyright holders nor the names of</span>
<a name="l00021"></a>00021 <span class="comment"> contributors may be used to endorse or promote products derived</span>
<a name="l00022"></a>00022 <span class="comment"> from this software without specific prior written permission.</span>
<a name="l00023"></a>00023 <span class="comment"></span>
<a name="l00024"></a>00024 <span class="comment"> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"</span>
<a name="l00025"></a>00025 <span class="comment"> AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span>
<a name="l00026"></a>00026 <span class="comment"> IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span>
<a name="l00027"></a>00027 <span class="comment"> ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE</span>
<a name="l00028"></a>00028 <span class="comment"> LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span>
<a name="l00029"></a>00029 <span class="comment"> CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span>
<a name="l00030"></a>00030 <span class="comment"> SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span>
<a name="l00031"></a>00031 <span class="comment"> INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span>
<a name="l00032"></a>00032 <span class="comment"> CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span>
<a name="l00033"></a>00033 <span class="comment"> ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span>
<a name="l00034"></a>00034 <span class="comment"> POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00035"></a>00035 <span class="comment"></span>
<a name="l00036"></a>00036 <span class="comment"> $Id: assert.h 1196 2007-01-23 15:34:58Z joerg_wunsch $</span>
<a name="l00037"></a>00037 <span class="comment">*/</span>
<a name="l00038"></a>00038 <span class="comment"></span>
<a name="l00039"></a>00039 <span class="comment">/** \file */</span><span class="comment"></span>
<a name="l00040"></a>00040 <span class="comment">/** \defgroup avr_assert <assert.h>: Diagnostics</span>
<a name="l00041"></a>00041 <span class="comment"> \code #include <assert.h> \endcode</span>
<a name="l00042"></a>00042 <span class="comment"></span>
<a name="l00043"></a>00043 <span class="comment"> This header file defines a debugging aid.</span>
<a name="l00044"></a>00044 <span class="comment"></span>
<a name="l00045"></a>00045 <span class="comment"> As there is no standard error output stream available for many</span>
<a name="l00046"></a>00046 <span class="comment"> applications using this library, the generation of a printable</span>
<a name="l00047"></a>00047 <span class="comment"> error message is not enabled by default. These messages will</span>
<a name="l00048"></a>00048 <span class="comment"> only be generated if the application defines the macro</span>
<a name="l00049"></a>00049 <span class="comment"></span>
<a name="l00050"></a>00050 <span class="comment"> \code __ASSERT_USE_STDERR \endcode</span>
<a name="l00051"></a>00051 <span class="comment"></span>
<a name="l00052"></a>00052 <span class="comment"> before including the \c <assert.h> header file. By default,</span>
<a name="l00053"></a>00053 <span class="comment"> only abort() will be called to halt the application.</span>
<a name="l00054"></a>00054 <span class="comment">*/</span>
<a name="l00055"></a>00055 <span class="comment"></span>
<a name="l00056"></a>00056 <span class="comment">/*@{*/</span>
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="comment">/*</span>
<a name="l00059"></a>00059 <span class="comment"> * The ability to include this file (with or without NDEBUG) is a</span>
<a name="l00060"></a>00060 <span class="comment"> * feature.</span>
<a name="l00061"></a>00061 <span class="comment"> */</span>
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="preprocessor">#undef assert</span>
<a name="l00064"></a>00064 <span class="preprocessor"></span>
<a name="l00065"></a>00065 <span class="preprocessor">#if defined(__DOXYGEN__)</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span><span class="comment">/**</span>
<a name="l00067"></a>00067 <span class="comment"> * \def assert</span>
<a name="l00068"></a>00068 <span class="comment"> * \param expression Expression to test for.</span>
<a name="l00069"></a>00069 <span class="comment"> *</span>
<a name="l00070"></a>00070 <span class="comment"> * The assert() macro tests the given expression and if it is false,</span>
<a name="l00071"></a>00071 <span class="comment"> * the calling process is terminated. A diagnostic message is written</span>
<a name="l00072"></a>00072 <span class="comment"> * to stderr and the function abort() is called, effectively</span>
<a name="l00073"></a>00073 <span class="comment"> * terminating the program.</span>
<a name="l00074"></a>00074 <span class="comment"> *</span>
<a name="l00075"></a>00075 <span class="comment"> * If expression is true, the assert() macro does nothing.</span>
<a name="l00076"></a>00076 <span class="comment"> *</span>
<a name="l00077"></a>00077 <span class="comment"> * The assert() macro may be removed at compile time by defining</span>
<a name="l00078"></a>00078 <span class="comment"> * NDEBUG as a macro (e.g., by using the compiler option -DNDEBUG).</span>
<a name="l00079"></a>00079 <span class="comment"> */</span>
<a name="l00080"></a><a class="code" href="group__avr__assert.html#ga0041af519e0e7d47c9bcc83760c4669e">00080</a> <span class="preprocessor"># define assert(expression)</span>
<a name="l00081"></a>00081 <span class="preprocessor"></span>
<a name="l00082"></a>00082 <span class="preprocessor">#else </span><span class="comment">/* !DOXYGEN */</span>
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="preprocessor"># if defined(NDEBUG)</span>
<a name="l00085"></a>00085 <span class="preprocessor"></span><span class="preprocessor"># define assert(e) ((void)0)</span>
<a name="l00086"></a>00086 <span class="preprocessor"></span><span class="preprocessor"># else </span><span class="comment">/* !NDEBUG */</span>
<a name="l00087"></a>00087 <span class="preprocessor"># if defined(__ASSERT_USE_STDERR)</span>
<a name="l00088"></a>00088 <span class="preprocessor"></span><span class="preprocessor"># define assert(e) ((e) ? (void)0 : \</span>
<a name="l00089"></a>00089 <span class="preprocessor"> __assert(__func__, __FILE__, __LINE__, #e))</span>
<a name="l00090"></a>00090 <span class="preprocessor"></span><span class="preprocessor"># else </span><span class="comment">/* !__ASSERT_USE_STDERR */</span>
<a name="l00091"></a>00091 <span class="preprocessor"># define assert(e) ((e) ? (void)0 : abort())</span>
<a name="l00092"></a>00092 <span class="preprocessor"></span><span class="preprocessor"># endif </span><span class="comment">/* __ASSERT_USE_STDERR */</span>
<a name="l00093"></a>00093 <span class="preprocessor"># endif </span><span class="comment">/* NDEBUG */</span>
<a name="l00094"></a>00094 <span class="preprocessor">#endif </span><span class="comment">/* DOXYGEN */</span>
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00097"></a>00097 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00098"></a>00098 <span class="preprocessor">#endif</span>
<a name="l00099"></a>00099 <span class="preprocessor"></span>
<a name="l00100"></a>00100 <span class="preprocessor">#if !defined(__DOXYGEN__)</span>
<a name="l00101"></a>00101 <span class="preprocessor"></span>
<a name="l00102"></a>00102 <span class="keyword">extern</span> <span class="keywordtype">void</span> __assert(<span class="keyword">const</span> <span class="keywordtype">char</span> *__func, <span class="keyword">const</span> <span class="keywordtype">char</span> *__file,
<a name="l00103"></a>00103 <span class="keywordtype">int</span> __lineno, <span class="keyword">const</span> <span class="keywordtype">char</span> *__sexp);
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="preprocessor">#endif </span><span class="comment">/* not __DOXYGEN__ */</span>
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00108"></a>00108 <span class="preprocessor"></span>}
<a name="l00109"></a>00109 <span class="preprocessor">#endif</span>
<a name="l00110"></a>00110 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00111"></a>00111 <span class="comment">/*@}*/</span>
<a name="l00112"></a>00112 <span class="comment">/* EOF */</span>
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