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Berkeley DB: Db::get_byteswapped
Db::get_byteswapped
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#include <db_cxx.h>
int
Db::get_byteswapped(int *isswapped);
Description: Db::get_byteswapped
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.
The Db::get_byteswapped method may not be called before the Db::open method has been
called.
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.
Parameters
- isswapped
- 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 isswapped. 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 isswapped.
Errors
The Db::get_byteswapped method
may fail and throw
DbException,
encapsulating one of the following non-zero errors, or return one of
the following non-zero errors:
- EINVAL
- If the method was called before Db::open was called; or if an
invalid flag value or parameter was specified.
Class
Db
See Also
Databases and Related Methods
Copyright (c) 1996-2004 Sleepycat Software, Inc. - All rights reserved.
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