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/* ========================================================================
* Copyright 1988-2006 University of Washington
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
*
* ========================================================================
*/
/*
* Program: Rename file
*
* Author: Mark Crispin
* Networks and Distributed Computing
* Computing & Communications
* University of Washington
* Administration Building, AG-44
* Seattle, WA 98195
* Internet: MRC@CAC.Washington.EDU
*
* Date: 20 May 1996
* Last Edited: 30 August 2006
*/
/* Emulator for working Unix rename() call
* Accepts: old file name
* new file name
* Returns: 0 if success, -1 if error with error in errno
*/
int Rename (char *oldname,char *newname)
{
int ret;
unlink (newname); /* make sure the old name doesn't exist */
/* link to new name, unlink old name */
if (!(ret = link (oldname,newname))) unlink (oldname);
return ret;
}
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