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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 /*LINTLIBRARY*/ 41 42 #include <sys/types.h> 43 #include "file64.h" 44 #include <stdio.h> 45 #include <stdarg.h> 46 #include "libc.h" 47 48 int 49 fprintf(FILE *iop, const char *format, ...) 50 { 51 int count; 52 va_list ap; 53 54 va_start(ap, format); 55 56 if (!(iop->_flag & _IOWRT)) { 57 /* if no write flag */ 58 if (iop->_flag & _IORW) { 59 /* if ok, cause read-write */ 60 iop->_flag |= _IOWRT; 61 } else { 62 /* else error */ 63 return (EOF); 64 } 65 } 66 count = _doprnt((char *) format, ap, iop); 67 va_end(ap); 68 return (count); 69 } 70