1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 1986 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* from S5R2 2.2 */ 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate /*LINTLIBRARY*/ 33*0Sstevel@tonic-gate #include <stdio.h> 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate extern void free(); 36*0Sstevel@tonic-gate extern int isatty(); 37*0Sstevel@tonic-gate extern unsigned char (*_smbuf)[_SBFSIZ]; 38*0Sstevel@tonic-gate extern void _getsmbuf(); 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate void setbuf(iop,buf)41*0Sstevel@tonic-gatesetbuf(iop, buf) 42*0Sstevel@tonic-gate register FILE *iop; 43*0Sstevel@tonic-gate char *buf; 44*0Sstevel@tonic-gate { 45*0Sstevel@tonic-gate register int fno = fileno(iop); /* file number */ 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate if(iop->_base != NULL && iop->_flag & _IOMYBUF) 48*0Sstevel@tonic-gate free((char*)iop->_base); 49*0Sstevel@tonic-gate iop->_flag &= ~(_IOMYBUF | _IONBF | _IOLBF); 50*0Sstevel@tonic-gate if((iop->_base = (unsigned char*)buf) == NULL) { 51*0Sstevel@tonic-gate iop->_flag |= _IONBF; /* file unbuffered except in fastio */ 52*0Sstevel@tonic-gate /* use small buffers reserved for this */ 53*0Sstevel@tonic-gate iop->_base = _smbuf[fno]; 54*0Sstevel@tonic-gate iop->_bufsiz = _SBFSIZ; 55*0Sstevel@tonic-gate } 56*0Sstevel@tonic-gate else { /* regular buffered I/O, standard buffer size */ 57*0Sstevel@tonic-gate if (isatty(fno)) 58*0Sstevel@tonic-gate iop->_flag |= _IOLBF; 59*0Sstevel@tonic-gate iop->_bufsiz = BUFSIZ; 60*0Sstevel@tonic-gate } 61*0Sstevel@tonic-gate iop->_ptr = iop->_base; 62*0Sstevel@tonic-gate iop->_cnt = 0; 63*0Sstevel@tonic-gate } 64