1 /* 2 * Copyright (c) 2000-2001 Proofpoint, Inc. and its suppliers. 3 * All rights reserved. 4 * Copyright (c) 1990, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Chris Torek. 9 * 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. 13 */ 14 15 #include <sm/gen.h> 16 SM_RCSID("@(#)$Id: rewind.c,v 1.19 2013-11-22 20:51:43 ca Exp $") 17 #include <errno.h> 18 #include <sm/io.h> 19 #include <sm/assert.h> 20 #include "local.h" 21 22 /* 23 ** SM_IO_REWIND -- rewind the file 24 ** 25 ** Seeks the file to the begining and clears any outstanding errors. 26 ** 27 ** Parameters: 28 ** fp -- the flie pointer for rewind 29 ** timeout -- time to complete the rewind 30 ** 31 ** Returns: 32 ** none. 33 */ 34 35 void 36 sm_io_rewind(fp, timeout) 37 register SM_FILE_T *fp; 38 int timeout; 39 { 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 */ 44 } 45