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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * Compatibility wrappers for setbuffer and setlinebuf 29 */ 30 31 #include "lint.h" 32 #include <sys/types.h> 33 #include <stdio.h> 34 #include <stdlib.h> 35 36 /* 37 * Associate a buffer with an "unused" stream. 38 * If the buffer is NULL, then make the stream completely unbuffered. 39 */ 40 void 41 setbuffer(FILE *iop, char *abuf, size_t asize) 42 { 43 if (abuf == NULL) 44 (void) setvbuf(iop, NULL, _IONBF, 0); 45 else 46 (void) setvbuf(iop, abuf, _IOFBF, asize); 47 } 48 49 /* 50 * Convert a block buffered or line buffered stream to be line buffered 51 * Allowed while the stream is still active; relies on the implementation 52 * not the interface! 53 */ 54 55 int 56 setlinebuf(FILE *iop) 57 { 58 (void) fflush(iop); 59 (void) setvbuf(iop, NULL, _IOLBF, 128); 60 return (0); 61 } 62