imapext-2007: src/osdep/unix/rename.c annotate

imapext-2007

imap-2007e

rev	line source
yuuji@0	1 /* ========================================================================
yuuji@0	2 * Copyright 1988-2006 University of Washington
yuuji@0	3 *
yuuji@0	4 * Licensed under the Apache License, Version 2.0 (the "License");
yuuji@0	5 * you may not use this file except in compliance with the License.
yuuji@0	6 * You may obtain a copy of the License at
yuuji@0	7 *
yuuji@0	8 * http://www.apache.org/licenses/LICENSE-2.0
yuuji@0	9 *
yuuji@0	10 *
yuuji@0	11 * ========================================================================
yuuji@0	12 */
yuuji@0	13
yuuji@0	14 /*
yuuji@0	15 * Program: Rename file
yuuji@0	16 *
yuuji@0	17 * Author: Mark Crispin
yuuji@0	18 * Networks and Distributed Computing
yuuji@0	19 * Computing & Communications
yuuji@0	20 * University of Washington
yuuji@0	21 * Administration Building, AG-44
yuuji@0	22 * Seattle, WA 98195
yuuji@0	23 * Internet: MRC@CAC.Washington.EDU
yuuji@0	24 *
yuuji@0	25 * Date: 20 May 1996
yuuji@0	26 * Last Edited: 30 August 2006
yuuji@0	27 */
yuuji@0	28
yuuji@0	29 /* Emulator for working Unix rename() call
yuuji@0	30 * Accepts: old file name
yuuji@0	31 * new file name
yuuji@0	32 * Returns: 0 if success, -1 if error with error in errno
yuuji@0	33 */
yuuji@0	34
yuuji@0	35 int Rename (char oldname,char newname)
yuuji@0	36 {
yuuji@0	37 int ret;
yuuji@0	38 unlink (newname); /* make sure the old name doesn't exist */
yuuji@0	39 /* link to new name, unlink old name */
yuuji@0	40 if (!(ret = link (oldname,newname))) unlink (oldname);
yuuji@0	41 return ret;
yuuji@0	42 }
yuuji@0	43
yuuji@0	44