xref: /titanic_44/usr/src/lib/libbc/libc/stdio/common/putc.c (revision fb3fb4f3d76d55b64440afd0af72775dfad3bd1d)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 #pragma ident	"%Z%%M%	%I%	%E% SMI"
23 
24 /*LINTLIBRARY*/
25 #include <stdio.h>
26 
27 #undef putc
28 #define __putc__(x, p)	(--(p)->_cnt >= 0 ?\
29 	(int)(*(p)->_ptr++ = (unsigned char)(x)) :\
30 	(((p)->_flag & _IOLBF) && -(p)->_cnt < (p)->_bufsiz ?\
31 		((*(p)->_ptr = (unsigned char)(x)) != '\n' ?\
32 			(int)(*(p)->_ptr++) :\
33 			_flsbuf(*(unsigned char *)(p)->_ptr, p)) :\
34 		_flsbuf((unsigned char)(x), p)))
35 
36 int
37 putc(c, fp)
38 register char c;
39 register FILE *fp;
40 {
41 	return (__putc__(c, fp));
42 }
43