<!--$Id: db_get_byteswapped.so,v 10.24 2007/09/21 20:06:01 bostic Exp $--> <!--Copyright (c) 1997,2008 Oracle. All rights reserved.--> <!--See the file LICENSE for redistribution information.--> <html> <head> <title>Berkeley DB: Db::get_byteswapped</title> <meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> <meta name="keywords" content="embedded,database,programmatic,toolkit,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,Java,C,C++"> </head> <body bgcolor=white> <table width="100%"><tr valign=top> <td> <b>Db::get_byteswapped</b> </td> <td align=right> <a href="../../db47-devel-4.7.25/api_cxx/api_core.html"><img src="../../db47-devel-4.7.25/images/api.gif" alt="API"></a> <a href="../../db47-devel-4.7.25/ref/toc.html"><img src="../../db47-devel-4.7.25/images/ref.gif" alt="Ref"></a></td> </tr></table> <hr size=1 noshade> <tt> <b><pre> #include <db_cxx.h> <p> int Db::get_byteswapped(int *isswapped); </pre></b> <hr size=1 noshade> <b>Description: Db::get_byteswapped</b> <p>The Db::get_byteswapped method returns if the underlying database files were created on an architecture of the same byte order as the current one, or if they were not (that is, big-endian on a little-endian machine, or vice versa). This information may be used to determine whether application data needs to be adjusted for this architecture or not.</p> <p>The Db::get_byteswapped method may not be called before the <a href="../../db47-devel-4.7.25/api_cxx/db_open.html">Db::open</a> method is called.</p> <p>The Db::get_byteswapped method either returns a non-zero error value or throws an exception that encapsulates a non-zero error value on failure, and returns 0 on success. </p> <b>Parameters</b> <br> <b>isswapped</b><ul compact><li>If the underlying database files were created on an architecture of the same byte order as the current one. 0 is stored into the memory location referenced by <b>isswapped</b>. If the underlying database files were created on an architecture of a different byte order as the current one, 1 is stored into the memory location referenced by <b>isswapped</b>.</ul> <br> <br><b>Errors</b> <p>The Db::get_byteswapped method may fail and throw <a href="../../db47-devel-4.7.25/api_cxx/except_class.html">DbException</a>, encapsulating one of the following non-zero errors, or return one of the following non-zero errors:</p> <br> <b>EINVAL</b><ul compact><li>If the method was called before <a href="../../db47-devel-4.7.25/api_cxx/db_open.html">Db::open</a> was called; or if an invalid flag value or parameter was specified.</ul> <br> <hr size=1 noshade> <br><b>Class</b> <a href="../../db47-devel-4.7.25/api_cxx/db_class.html">Db</a> <br><b>See Also</b> <a href="../../db47-devel-4.7.25/api_cxx/db_list.html">Databases and Related Methods</a> </tt> <table width="100%"><tr><td><br></td><td align=right> <a href="../../db47-devel-4.7.25/api_cxx/api_core.html"><img src="../../db47-devel-4.7.25/images/api.gif" alt="API"></a><a href="../../db47-devel-4.7.25/ref/toc.html"><img src="../../db47-devel-4.7.25/images/ref.gif" alt="Ref"></a> </td></tr></table> <p><font size=1>Copyright (c) 1996,2008 Oracle. All rights reserved.</font> </body> </html>