Subversion Repositories openrisc_2011-10-31

/*

 *  truncate() - Truncate a File to the Specified Length

 *

 *  This routine is not defined in the POSIX 1003.1b standard but is

 *  commonly supported on most UNIX and POSIX systems.  It is provided

 *  for compatibility.

 *

 *  COPYRIGHT (c) 1989-1999.

 *  On-Line Applications Research Corporation (OAR).

 *

 *  The license and distribution terms for this file may be

 *  found in the file LICENSE in this distribution or at

 *  http://www.OARcorp.com/rtems/license.html.

 *

 *  $Id: truncate.c,v 1.2 2001-09-27 12:01:15 chris Exp $

 */

#include <unistd.h>

#include <errno.h>

#include <fcntl.h>

int truncate(

  const char  *path,

  off_t        length

)

{

  int status;

  int fd;

  fd = open( path, O_WRONLY );

  if ( fd == -1 )

    return -1;

  status = ftruncate( fd, length );

  (void) close( fd );

  return status;

}