-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int fseek( FILE * stream, long offset, int mode ) { /* TODO */ };
+/* $Id$ */
+
+/* fseek( FILE *, long offset, int )
+
+ This file is part of the Public Domain C Library (PDCLib).
+ Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <stdio.h>
+
+#ifndef REGTEST
+
+#include <_PDCLIB_glue.h>
+
+int fseek( struct _PDCLIB_file_t * stream, long offset, int whence )
+{
+ if ( stream->status & _PDCLIB_FWRITE )
+ {
+ if ( _PDCLIB_flushbuffer( stream ) == EOF )
+ {
+ return EOF;
+ }
+ }
+ stream->status &= ~ _PDCLIB_EOFFLAG;
+ if ( stream->status & _PDCLIB_FRW )
+ {
+ stream->status &= ~ ( _PDCLIB_FREAD | _PDCLIB_FWRITE );
+ }
+ return ( _PDCLIB_seek( stream, offset, whence ) == offset ) ? 0 : EOF;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+ /* Testing covered by ftell.c */
+ return TEST_RESULTS;
+}
+
+#endif
+