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14<h1 align="left">CXSecureUnfilterDiff</h1>
15
16<h2>Syntax</h2>
17<DL><DD><PRE class="construction">
18#include &lt;revolution/cx.h&gt;
19
20s32 CXSecureUnfilterDiff( register const void *srcp, u32 srcSize, register void *destp );
21</PRE></DD></dl>
22
23<h2>Arguments</h2>
24<TABLE class="arguments" border="1">
25  <TBODY>
26    <TR>
27<TH>srcp</TH>
28<TD>Source address where difference-filtered data is stored.</TD>
29    </TR>
30    <TR>
31<TH>srcSize</TH>
32<TD>Source data size.</TD>
33    </TR>
34    <TR>
35<TH>destp</TH>
36<TD>The destination address where the data is expanded. Can be the same region as the source address.</TD>
37    </TR>
38  </TBODY>
39</TABLE>
40
41<h2>Return Values</h2>
42<TABLE class="arguments" border="1">
43  <TBODY>
44    <TR>
45<TH>CX_ERR_SUCCESS</TH>
46<TD>Successful end.</TD>
47    </TR>
48    <TR>
49<TH>CX_ERR_UNSUPPORTED</TH>
50<TD>Unsupported compression data type.</TD>
51    </TR>
52    <TR>
53<TH>CX_ERR_SRC_SHORTAGE</TH>
54<TD>Source data size is too small.</TD>
55    </TR>
56    <TR>
57<TH>CX_ERR_SRC_REMAINDER</TH>
58<TD>Source data size is too large.</TD>
59    </TR>
60  </TBODY>
61</TABLE>
62
63<H2>Description</H2>
64<P>This function expands the data to which the difference filter was applied and writes it to the specified memory region. The source address must be aligned to a 4-byte boundary. The pointers to the source and destination addresses may point to the same region.</P>
65
66<h2>See Also</h2>
67<P class="reference">
68<A href="CXSecureUncompressHuffman.html">CXSecureUncompressHuffman</A>,
69<A href="CXSecureUncompressRL.html">CXSecureUncompressRL</A>,
70<A href="CXSecureUncompressLZ.html">CXSecureUncompressLZ</A>
71</P>
72
73<H2>Revision History</H2>
74<P>
752007/05/24 Initial version.
76</P>
77
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