1 /* $NetBSD: printw.c,v 1.18 2002/05/26 17:01:38 wiz Exp $ */ 2 3 /* 4 * Copyright (c) 1981, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)printw.c 8.3 (Berkeley) 5/4/94"; 40 #else 41 __RCSID("$NetBSD: printw.c,v 1.18 2002/05/26 17:01:38 wiz Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <stdarg.h> 46 47 #include "curses.h" 48 #include "curses_private.h" 49 50 /* 51 * printw and friends. 52 */ 53 54 static int __winwrite __P((void *, const char *, int)); 55 56 /* 57 * printw -- 58 * Printf on the standard screen. 59 */ 60 int 61 printw(const char *fmt,...) 62 { 63 va_list ap; 64 int ret; 65 66 va_start(ap, fmt); 67 ret = vwprintw(stdscr, fmt, ap); 68 va_end(ap); 69 return (ret); 70 } 71 /* 72 * wprintw -- 73 * Printf on the given window. 74 */ 75 int 76 wprintw(WINDOW *win, const char *fmt,...) 77 { 78 va_list ap; 79 int ret; 80 81 va_start(ap, fmt); 82 ret = vwprintw(win, fmt, ap); 83 va_end(ap); 84 return (ret); 85 } 86 /* 87 * mvprintw, mvwprintw -- 88 * Implement the mvprintw commands. Due to the variable number of 89 * arguments, they cannot be macros. Sigh.... 90 */ 91 int 92 mvprintw(int y, int x, const char *fmt,...) 93 { 94 va_list ap; 95 int ret; 96 97 if (move(y, x) != OK) 98 return (ERR); 99 va_start(ap, fmt); 100 ret = vwprintw(stdscr, fmt, ap); 101 va_end(ap); 102 return (ret); 103 } 104 105 int 106 mvwprintw(WINDOW * win, int y, int x, const char *fmt,...) 107 { 108 va_list ap; 109 int ret; 110 111 if (wmove(win, y, x) != OK) 112 return (ERR); 113 114 va_start(ap, fmt); 115 ret = vwprintw(win, fmt, ap); 116 va_end(ap); 117 return (ret); 118 } 119 /* 120 * Internal write-buffer-to-window function. 121 */ 122 static int 123 __winwrite(cookie, buf, n) 124 void *cookie; 125 const char *buf; 126 int n; 127 { 128 WINDOW *win; 129 int c; 130 131 for (c = n, win = cookie; --c >= 0;) 132 { 133 #ifdef DEBUG 134 __CTRACE("__winwrite: %c\n", *buf); 135 #endif 136 if (waddch(win, (chtype) (*buf++ & __CHARTEXT)) == ERR) 137 return (-1); 138 } 139 return (n); 140 } 141 /* 142 * vwprintw -- 143 * This routine actually executes the printf and adds it to the window. 144 */ 145 int 146 vwprintw(WINDOW *win, const char *fmt, _BSD_VA_LIST_ ap) 147 { 148 FILE *f; 149 150 if ((f = funopen(win, NULL, __winwrite, NULL, NULL)) == NULL) 151 return (ERR); 152 (void) vfprintf(f, fmt, ap); 153 return (fclose(f) ? ERR : OK); 154 } 155