Resync patch with contrib.
[dragonfly.git] / contrib / sendmail-8.14 / libsm / rewind.c
blob597c6dbc375114e91dc8aeb5d2e8113374c22a0e
1 /*
2 * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
3 * All rights reserved.
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Chris Torek.
10 * By using this file, you agree to the terms and conditions set
11 * forth in the LICENSE file which can be found at the top level of
12 * the sendmail distribution.
15 #include <sm/gen.h>
16 SM_RCSID("@(#)$Id: rewind.c,v 1.18 2001/09/11 04:04:49 gshapiro Exp $")
17 #include <errno.h>
18 #include <sm/io.h>
19 #include <sm/assert.h>
20 #include "local.h"
23 ** SM_IO_REWIND -- rewind the file
25 ** Seeks the file to the begining and clears any outstanding errors.
27 ** Parameters:
28 ** fp -- the flie pointer for rewind
29 ** timeout -- time to complete the rewind
31 ** Returns:
32 ** none.
35 void
36 sm_io_rewind(fp, timeout)
37 register SM_FILE_T *fp;
38 int timeout;
40 SM_REQUIRE_ISA(fp, SmFileMagic);
41 (void) sm_io_seek(fp, timeout, 0L, SM_IO_SEEK_SET);
42 (void) sm_io_clearerr(fp);
43 errno = 0; /* not required, but seems reasonable */