From 7c478bd95313f5f23a4c958a745db2134aa03244 Mon Sep 17 00:00:00 2001 From: "stevel@tonic-gate" Date: Tue, 14 Jun 2005 00:00:00 -0700 Subject: OpenSolaris Launch --- usr/src/lib/libbc/libc/stdio/common/setbuffer.c | 89 +++++++++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 usr/src/lib/libbc/libc/stdio/common/setbuffer.c (limited to 'usr/src/lib/libbc/libc/stdio/common/setbuffer.c') diff --git a/usr/src/lib/libbc/libc/stdio/common/setbuffer.c b/usr/src/lib/libbc/libc/stdio/common/setbuffer.c new file mode 100644 index 0000000000..5b8ffb2aca --- /dev/null +++ b/usr/src/lib/libbc/libc/stdio/common/setbuffer.c @@ -0,0 +1,89 @@ +/* + * 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 + +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; + } +} -- cgit v1.2.3