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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1986 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/* from UCB 4.2 83/02/27 */
#include <stdio.h>
extern void free();
extern int isatty();
extern unsigned char (*_smbuf)[_SBFSIZ];
extern void _getsmbuf();
void
setbuffer(iop, buf, size)
register FILE *iop;
char *buf;
int size;
{
register int fno = fileno(iop); /* file number */
if (iop->_base != NULL && iop->_flag&_IOMYBUF)
free((char *)iop->_base);
iop->_flag &= ~(_IOMYBUF|_IONBF|_IOLBF);
if ((iop->_base = (unsigned char *)buf) == NULL) {
iop->_flag |= _IONBF; /* file unbuffered except in fastio */
/* use small buffers reserved for this */
iop->_base = _smbuf[fno];
iop->_bufsiz = _SBFSIZ;
} else {
/* regular buffered I/O, specified buffer size */
if (size <= 0)
return;
iop->_bufsiz = size;
}
iop->_ptr = iop->_base;
iop->_cnt = 0;
}
/*
* set line buffering
*/
setlinebuf(iop)
register FILE *iop;
{
register unsigned char *buf;
extern char *malloc();
fflush(iop);
setbuffer(iop, (unsigned char *)NULL, 0);
buf = (unsigned char *)malloc(128);
if (buf != NULL) {
setbuffer(iop, buf, 128);
iop->_flag |= _IOLBF|_IOMYBUF;
}
}
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