xref: /illumos-gate/usr/src/cmd/sendmail/libsm/get.c (revision 2a8bcb4e)
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: get.c,v 1.16 2001/01/28 00:29:35 ca Exp $")
17*7c478bd9Sstevel@tonic-gate #include <sm/io.h>
18*7c478bd9Sstevel@tonic-gate #include <sm/assert.h>
19*7c478bd9Sstevel@tonic-gate #include "local.h"
20*7c478bd9Sstevel@tonic-gate 
21*7c478bd9Sstevel@tonic-gate /*
22*7c478bd9Sstevel@tonic-gate **  SM_IO_GETC -- get a character from a file
23*7c478bd9Sstevel@tonic-gate **
24*7c478bd9Sstevel@tonic-gate **	Parameters:
25*7c478bd9Sstevel@tonic-gate **		fp -- the file to get the character from
26*7c478bd9Sstevel@tonic-gate **		timeout -- time to complete getc
27*7c478bd9Sstevel@tonic-gate **
28*7c478bd9Sstevel@tonic-gate **	Returns:
29*7c478bd9Sstevel@tonic-gate **		Success: the value of the character read.
30*7c478bd9Sstevel@tonic-gate **		Failure: SM_IO_EOF
31*7c478bd9Sstevel@tonic-gate **
32*7c478bd9Sstevel@tonic-gate **	This is a function version of the macro (in <sm/io.h>).
33*7c478bd9Sstevel@tonic-gate **	It is guarded with locks (which are currently not functional)
34*7c478bd9Sstevel@tonic-gate **	for multi-threaded programs.
35*7c478bd9Sstevel@tonic-gate */
36*7c478bd9Sstevel@tonic-gate 
37*7c478bd9Sstevel@tonic-gate #undef sm_io_getc
38*7c478bd9Sstevel@tonic-gate 
39*7c478bd9Sstevel@tonic-gate int
40*7c478bd9Sstevel@tonic-gate sm_io_getc(fp, timeout)
41*7c478bd9Sstevel@tonic-gate 	register SM_FILE_T *fp;
42*7c478bd9Sstevel@tonic-gate 	int timeout;
43*7c478bd9Sstevel@tonic-gate {
44*7c478bd9Sstevel@tonic-gate 	SM_REQUIRE_ISA(fp, SmFileMagic);
45*7c478bd9Sstevel@tonic-gate 	return sm_getc(fp, timeout);
46*7c478bd9Sstevel@tonic-gate }
47