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13
14<h1>ASSERTMSG</h1>
15
16<h2>Syntax</h2>
17<dl><dd><pre class="construction">
18#include &lt;revolution/os.h&gt;
19
20void ASSERTMSG(int expression, char* message, ...);
21</pre></dd></dl>
22
23<h2>Arguments</h2>
24<TABLE class="arguments" border="1" >
25  <tr>
26<TH>expression</TH>
27<TD>Conditional format used to check when the <CODE>_DEBUG</CODE> macro is defined.</TD>
28  </tr>
29  <tr>
30<TH>message</TH>
31<TD>Pointer to the null-terminated character string to be displayed if <SPAN class="argument">expression</SPAN> is <CODE>FALSE</CODE>.</TD>
32  </tr>
33  <tr>
34    <TH>...</TH>
35<TD>Option argument.</TD>
36  </tr>
37</TABLE>
38
39<h2>Return Values</h2>
40<p>None.</p>
41
42<H2>Description</H2>
43<P>When the <CODE>_DEBUG</CODE> macro is defined and if <SPAN class="argument">expression</SPAN> is <CODE>FALSE</CODE>, <CODE>ASSERTMSG</CODE> displays <SPAN class="argument">message</SPAN>. The message includes the text in <SPAN class="argument">expression</SPAN>. It is displayed in the debug log window, and the console is halted.</P>
44<P>If the <CODE>_DEBUG</CODE> macro is not defined, <CODE>ASSERTMSG</CODE> will do nothing.</P>
45
46<h2>See Also</h2>
47<P class="reference">
48<A href="../toc.html#Error" target="contents">Error Functions</A>,
49<a href="ASSERT.html">ASSERT</a>,
50<a href="OSHalt.html">OSHalt</a>,
51<a href="OSReport.html">OSReport</a>
52</p>
53
54<H2>Revision History</H2>
55<P>
562006/03/01 Initial version.<br>
57</p>
58
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