-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int rename( const char * old, const char * new ) { /* TODO */ };
+/* $Id$ */
+
+/* rename( const char *, const char * )
+
+ 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 rename( const char * old, const char * new )
+{
+ /* TODO: Search open file list, flush and close file */
+ return _PDCLIB_rename( old, new );
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+#include <stdlib.h>
+
+int main( void )
+{
+ /* TODO: Extend to internal testing (buffer etc.) */
+ char filename1[] = "touch testfile1";
+ char filename2[] = "testfile2";
+ remove( filename1 + 6 );
+ remove( filename2 );
+ /* make sure that neither file exists */
+ TESTCASE( fopen( filename1 + 6, "r" ) == NULL );
+ TESTCASE( fopen( filename2, "r" ) == NULL );
+ /* rename file 1 to file 2 - expected to fail */
+ TESTCASE( rename( filename1 + 6, filename2 ) == -1 );
+ /* create file 1 */
+ system( filename1 );
+ /* check that file 1 exists */
+ TESTCASE( fopen( filename1 + 6, "r" ) != NULL );
+ /* rename file 1 to file 2 */
+ TESTCASE( rename( filename1 + 6, filename2 ) == 0 );
+ /* check that file 2 exists, file 1 does not */
+ TESTCASE( fopen( filename1 + 6, "r" ) == NULL );
+ TESTCASE( fopen( filename2, "r" ) != NULL );
+ /* create another file 1 */
+ system( filename1 );
+ /* check that file 1 exists */
+ TESTCASE( fopen( filename1 + 6, "r" ) != NULL );
+ /* rename file 1 to file 2 - expected to fail, see comment in
+ _PDCLIB_rename() itself.
+ */
+#ifndef REGTEST
+ TESTCASE( rename( filename1 + 6, filename2 ) == -1 );
+#else
+ /* glibc rename() overwrites existing destination file. */
+ TESTCASE( rename( filename1 + 6, filename2 ) == 0 );
+#endif
+ /* remove both files */
+ remove( filename1 + 6 );
+ remove( filename2 );
+ /* check that they're gone */
+ TESTCASE( fopen( filename1 + 6, "r" ) == NULL );
+ TESTCASE( fopen( filename2, "r" ) == NULL );
+ return TEST_RESULTS;
+}
+
+#endif
+