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Diffstat (limited to 'contrib/sendmail/libsm/rewind.c')
-rw-r--r-- | contrib/sendmail/libsm/rewind.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/contrib/sendmail/libsm/rewind.c b/contrib/sendmail/libsm/rewind.c new file mode 100644 index 0000000..597c6db --- /dev/null +++ b/contrib/sendmail/libsm/rewind.c @@ -0,0 +1,44 @@ +/* + * 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 */ +} |