X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=platform%2Fexample%2Ffunctions%2F_PDCLIB%2Frename.c;h=8ae31f6b517204f56047d77a43a3f838b362700b;hp=849f872946476beae89d24f890e20f34f1a4721f;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=2ae38c6b53d59bd40c10c377da3e306b7132a512

diff --git a/platform/example/functions/_PDCLIB/rename.c b/platform/example/functions/_PDCLIB/rename.c
index 849f872..8ae31f6 100644
--- a/platform/example/functions/_PDCLIB/rename.c
+++ b/platform/example/functions/_PDCLIB/rename.c
@@ -1,73 +1,29 @@
-/* $Id$ */
-
 /* _PDCLIB_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 <unistd.h>
-#include <_PDCLIB_glue.h>
+#include "_PDCLIB_glue.h"
+#include <errno.h>
 
 int _PDCLIB_rename( const char * old, const char * new )
 {
-    /* Note that the behaviour if new file exists is implementation-defined.
-       There is nothing wrong with either overwriting it or failing the
-       operation, but you might want to document whichever you chose.
-       This example fails if new file exists.
-    */
-    if ( link( old, new ) == 0 )
-    {
-        return unlink( old );
-    }
-    else
-    {
-        return -1;
-    }
+    errno = ENOTSUP;
 }
 
 #endif
 
 #ifdef TEST
-/* TODO: Work around the following undef */
-#undef SEEK_SET
-#include <_PDCLIB_test.h>
+#include "_PDCLIB_test.h"
 
 #include <stdlib.h>
 
 int main( void )
 {
-    char filename1[] = "touch testfile1";
-    char filename2[] = "testfile2";
-    /* check 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( _PDCLIB_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( _PDCLIB_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.
-    */
-    TESTCASE( _PDCLIB_rename( filename1 + 6, filename2 ) == -1 );
-    /* 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;
 }