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 1997 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 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 /* 43 * printw and friends 44 * 45 */ 46 47 #include <sys/types.h> 48 #include <stdlib.h> 49 #include "curses_inc.h" 50 #include <stdarg.h> 51 52 /* 53 * This routine actually executes the printf and adds it to the window 54 * 55 * This code now uses the vsprintf routine, which portably digs 56 * into stdio. We provide a vsprintf for older systems that don't 57 * have one. 58 */ 59 60 /*VARARGS2*/ 61 int 62 vwprintw(WINDOW *win, char *fmt, va_list ap) 63 { 64 int size = BUFSIZ; 65 char *buffer; 66 int n, rv; 67 68 buffer = (char *) malloc(size); 69 if (buffer == NULL) 70 return (ERR); 71 /*CONSTCOND*/ 72 while (1) { 73 n = vsnprintf(buffer, size, fmt, ap); 74 if (n < size) 75 break; 76 size *= 2; 77 buffer = (char *) realloc(buffer, size); 78 if (buffer == NULL) 79 return (ERR); 80 } 81 va_end(ap); 82 rv = waddstr(win, buffer); 83 free(buffer); 84 return (rv); 85 } 86