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
Rename(char * oldname,char * newname)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
45