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 #pragma ident "%Z%%M% %I% %E% SMI" 41 42 /*LINTLIBRARY*/ 43 44 /* 45 * printw and friends 46 * 47 */ 48 49 #include <sys/types.h> 50 #include <stdlib.h> 51 #include "curses_inc.h" 52 #include <stdarg.h> 53 54 /* 55 * This routine actually executes the printf and adds it to the window 56 * 57 * This code now uses the vsprintf routine, which portably digs 58 * into stdio. We provide a vsprintf for older systems that don't 59 * have one. 60 */ 61 62 /*VARARGS2*/ 63 int 64 vwprintw(WINDOW *win, char *fmt, va_list ap) 65 { 66 int size = BUFSIZ; 67 char *buffer; 68 int n, rv; 69 70 buffer = (char *) malloc(size); 71 if (buffer == NULL) 72 return (ERR); 73 /*CONSTCOND*/ 74 while (1) { 75 n = vsnprintf(buffer, size, fmt, ap); 76 if (n < size) 77 break; 78 size *= 2; 79 buffer = (char *) realloc(buffer, size); 80 if (buffer == NULL) 81 return (ERR); 82 } 83 va_end(ap); 84 rv = waddstr(win, buffer); 85 free(buffer); 86 return (rv); 87 } 88