-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int fclose( FILE * stream ) { /* TODO */ };
+/* $Id$ */
+
+/* fclose( FILE * )
+
+ 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>
+#include <stdlib.h>
+
+#ifndef REGTEST
+#include <_PDCLIB_glue.h>
+
+extern struct _PDCLIB_file_t * _PDCLIB_filelist;
+
+int fclose( struct _PDCLIB_file_t * stream )
+{
+ struct _PDCLIB_file_t * current = _PDCLIB_filelist;
+ struct _PDCLIB_file_t * previous = NULL;
+ /* Checking that the FILE handle is actually one we had opened before. */
+ while ( current != NULL )
+ {
+ if ( stream == current )
+ {
+ /* Flush buffer */
+ if ( stream->status & _PDCLIB_FWRITE )
+ {
+ if ( _PDCLIB_flushbuffer( stream ) == EOF )
+ {
+ /* Flush failed, errno already set */
+ return EOF;
+ }
+ }
+ /* Close handle */
+ _PDCLIB_close( stream->handle );
+ /* Remove stream from list */
+ if ( previous != NULL )
+ {
+ previous->next = stream->next;
+ }
+ else
+ {
+ _PDCLIB_filelist = stream->next;
+ }
+ /* Delete tmpfile() */
+ if ( stream->status & _PDCLIB_DELONCLOSE )
+ {
+ remove( stream->filename );
+ }
+ /* Free stream */
+ free( stream );
+
+ return 0;
+ }
+ previous = current;
+ current = current->next;
+ }
+ _PDCLIB_errno = _PDCLIB_EIO;
+ return -1;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+#ifndef REGTEST
+ struct _PDCLIB_file_t * file1;
+ struct _PDCLIB_file_t * file2;
+ remove( "testing/testfile1" );
+ remove( "testing/testfile2" );
+ TESTCASE( _PDCLIB_filelist == stdin );
+ TESTCASE( ( file1 = fopen( "testing/testfile1", "w" ) ) != NULL );
+ TESTCASE( _PDCLIB_filelist == file1 );
+ TESTCASE( ( file2 = fopen( "testing/testfile2", "w" ) ) != NULL );
+ TESTCASE( _PDCLIB_filelist == file2 );
+ TESTCASE( fclose( file2 ) == 0 );
+ TESTCASE( _PDCLIB_filelist == file1 );
+ TESTCASE( ( file2 = fopen( "testing/testfile1", "w" ) ) != NULL );
+ TESTCASE( _PDCLIB_filelist == file2 );
+ TESTCASE( fclose( file1 ) == 0 );
+ TESTCASE( _PDCLIB_filelist == file2 );
+ TESTCASE( fclose( file2 ) == 0 );
+ TESTCASE( _PDCLIB_filelist == stdin );
+ remove( "testing/testfile1" );
+ remove( "testing/testfile2" );
+#else
+ puts( " NOTEST fclose() test driver is PDCLib-specific." );
+#endif
+ return TEST_RESULTS;
+}
+
+#endif
+