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 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * Compatibility wrappers for setbuffer and setlinebuf 31 */ 32 33 #include "lint.h" 34 #include <sys/types.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 38 /* 39 * Associate a buffer with an "unused" stream. 40 * If the buffer is NULL, then make the stream completely unbuffered. 41 */ 42 void 43 setbuffer(FILE *iop, char *abuf, size_t asize) 44 { 45 if (abuf == NULL) 46 (void) setvbuf(iop, NULL, _IONBF, 0); 47 else 48 (void) setvbuf(iop, abuf, _IOFBF, asize); 49 } 50 51 /* 52 * Convert a block buffered or line buffered stream to be line buffered 53 * Allowed while the stream is still active; relies on the implementation 54 * not the interface! 55 */ 56 57 int 58 setlinebuf(FILE *iop) 59 { 60 (void) fflush(iop); 61 (void) setvbuf(iop, NULL, _IOLBF, 128); 62 return (0); 63 } 64