freebsd-dev/contrib/sendmail/libsm/rewind.c
2002-06-11 21:12:04 +00:00

45 lines
1.1 KiB
C

/*
* Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
* All rights reserved.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Chris Torek.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*/
#include <sm/gen.h>
SM_RCSID("@(#)$Id: rewind.c,v 1.18 2001/09/11 04:04:49 gshapiro Exp $")
#include <errno.h>
#include <sm/io.h>
#include <sm/assert.h>
#include "local.h"
/*
** SM_IO_REWIND -- rewind the file
**
** Seeks the file to the begining and clears any outstanding errors.
**
** Parameters:
** fp -- the flie pointer for rewind
** timeout -- time to complete the rewind
**
** Returns:
** none.
*/
void
sm_io_rewind(fp, timeout)
register SM_FILE_T *fp;
int timeout;
{
SM_REQUIRE_ISA(fp, SmFileMagic);
(void) sm_io_seek(fp, timeout, 0L, SM_IO_SEEK_SET);
(void) sm_io_clearerr(fp);
errno = 0; /* not required, but seems reasonable */
}