1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers. 3*7c478bd9Sstevel@tonic-gate * All rights reserved. 4*7c478bd9Sstevel@tonic-gate * Copyright (c) 1990, 1993 5*7c478bd9Sstevel@tonic-gate * The Regents of the University of California. All rights reserved. 6*7c478bd9Sstevel@tonic-gate * 7*7c478bd9Sstevel@tonic-gate * This code is derived from software contributed to Berkeley by 8*7c478bd9Sstevel@tonic-gate * Chris Torek. 9*7c478bd9Sstevel@tonic-gate * 10*7c478bd9Sstevel@tonic-gate * By using this file, you agree to the terms and conditions set 11*7c478bd9Sstevel@tonic-gate * forth in the LICENSE file which can be found at the top level of 12*7c478bd9Sstevel@tonic-gate * the sendmail distribution. 13*7c478bd9Sstevel@tonic-gate */ 14*7c478bd9Sstevel@tonic-gate 15*7c478bd9Sstevel@tonic-gate #include <sm/gen.h> 16*7c478bd9Sstevel@tonic-gate SM_RCSID("@(#)$Id: rewind.c,v 1.16 2001/04/03 01:46:40 ca Exp $") 17*7c478bd9Sstevel@tonic-gate #include <errno.h> 18*7c478bd9Sstevel@tonic-gate #include <sm/io.h> 19*7c478bd9Sstevel@tonic-gate #include <sm/assert.h> 20*7c478bd9Sstevel@tonic-gate #include "local.h" 21*7c478bd9Sstevel@tonic-gate 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate ** SM_IO_REWIND -- rewind the file 24*7c478bd9Sstevel@tonic-gate ** 25*7c478bd9Sstevel@tonic-gate ** Seeks the file to the begining and clears any outstanding errors. 26*7c478bd9Sstevel@tonic-gate ** 27*7c478bd9Sstevel@tonic-gate ** Parameters: 28*7c478bd9Sstevel@tonic-gate ** fp -- the flie pointer for rewind 29*7c478bd9Sstevel@tonic-gate ** timeout -- time to complete the rewind 30*7c478bd9Sstevel@tonic-gate ** 31*7c478bd9Sstevel@tonic-gate ** Returns: 32*7c478bd9Sstevel@tonic-gate ** none. 33*7c478bd9Sstevel@tonic-gate */ 34*7c478bd9Sstevel@tonic-gate 35*7c478bd9Sstevel@tonic-gate void 36*7c478bd9Sstevel@tonic-gate sm_io_rewind(fp, timeout) 37*7c478bd9Sstevel@tonic-gate register SM_FILE_T *fp; 38*7c478bd9Sstevel@tonic-gate int timeout; 39*7c478bd9Sstevel@tonic-gate { 40*7c478bd9Sstevel@tonic-gate SM_REQUIRE_ISA(fp, SmFileMagic); 41*7c478bd9Sstevel@tonic-gate (void) sm_io_seek(fp, timeout, 0L, SM_IO_SEEK_SET); 42*7c478bd9Sstevel@tonic-gate (void) sm_io_clearerr(fp); 43*7c478bd9Sstevel@tonic-gate errno = 0; /* not required, but seems reasonable */ 44*7c478bd9Sstevel@tonic-gate } 45