1 /* ========================================================================

2 * Copyright 1988-2006 University of Washington

3 *

4 * Licensed under the Apache License, Version 2.0 (the "License");

5 * you may not use this file except in compliance with the License.

6 * You may obtain a copy of the License at

7 *

8 * http://www.apache.org/licenses/LICENSE-2.0

9 *

10 *

11 * ========================================================================

12 */

13

14 /*

15 * Program: Rename file

16 *

17 * Author: Mark Crispin

18 * Networks and Distributed Computing

19 * Computing & Communications

20 * University of Washington

21 * Administration Building, AG-44

22 * Seattle, WA 98195

23 * Internet: MRC@CAC.Washington.EDU

24 *

25 * Date: 20 May 1996

26 * Last Edited: 30 August 2006

27 */

28 

29 /* Emulator for working Unix rename() call

30 * Accepts: old file name

31 * new file name

32 * Returns: 0 if success, -1 if error with error in errno

33 */

34

35 int Rename (char *oldname,char *newname)

36 {

37 int ret;

38 unlink (newname); /* make sure the old name doesn't exist */

39 /* link to new name, unlink old name */

40 if (!(ret = link (oldname,newname))) unlink (oldname);

41 return ret;

42 }

43

44