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      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 /*
     23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 /*	Copyright (c) 1988 AT&T	*/
     30 /*	  All Rights Reserved  	*/
     31 
     32 
     33 #pragma weak putc_unlocked = _putc_unlocked
     34 
     35 #include "synonyms.h"
     36 #include "file64.h"
     37 #include "mtlib.h"
     38 #include <sys/types.h>
     39 #include <stdio.h>
     40 #include <thread.h>
     41 #include <synch.h>
     42 #include "stdiom.h"
     43 #include "mse.h"
     44 
     45 #undef putc
     46 
     47 #undef putc_unlocked
     48 
     49 int
     50 putc(int ch, FILE *iop)
     51 {
     52 	rmutex_t *lk;
     53 	int ret;
     54 
     55 	FLOCKFILE(lk, iop);
     56 
     57 	_SET_ORIENTATION_BYTE(iop);
     58 
     59 	if (--iop->_cnt < 0)
     60 		ret = __flsbuf((unsigned char) ch, iop);
     61 	else {
     62 		(*iop->_ptr++) = (unsigned char)ch;
     63 		ret = (unsigned char)ch;
     64 	}
     65 	FUNLOCKFILE(lk);
     66 	return (ret);
     67 }
     68 
     69 
     70 int
     71 _putc_unlocked(int ch, FILE *iop)
     72 {
     73 	if (--iop->_cnt < 0)
     74 		return (__flsbuf((unsigned char) ch, iop));
     75 	else
     76 		return (*iop->_ptr++ = (unsigned char)ch);
     77 }
     78