1 /* $NetBSD: printw.c,v 1.19 2003/08/07 16:44:23 agc 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 #ifndef lint 34 #if 0 35 static char sccsid[] = "@(#)printw.c 8.3 (Berkeley) 5/4/94"; 36 #else 37 __RCSID("$NetBSD: printw.c,v 1.19 2003/08/07 16:44:23 agc Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include <stdarg.h> 42 43 #include "curses.h" 44 #include "curses_private.h" 45 46 /* 47 * printw and friends. 48 */ 49 50 static int __winwrite __P((void *, const char *, int)); 51 52 /* 53 * printw -- 54 * Printf on the standard screen. 55 */ 56 int 57 printw(const char *fmt,...) 58 { 59 va_list ap; 60 int ret; 61 62 va_start(ap, fmt); 63 ret = vwprintw(stdscr, fmt, ap); 64 va_end(ap); 65 return (ret); 66 } 67 /* 68 * wprintw -- 69 * Printf on the given window. 70 */ 71 int 72 wprintw(WINDOW *win, const char *fmt,...) 73 { 74 va_list ap; 75 int ret; 76 77 va_start(ap, fmt); 78 ret = vwprintw(win, fmt, ap); 79 va_end(ap); 80 return (ret); 81 } 82 /* 83 * mvprintw, mvwprintw -- 84 * Implement the mvprintw commands. Due to the variable number of 85 * arguments, they cannot be macros. Sigh.... 86 */ 87 int 88 mvprintw(int y, int x, const char *fmt,...) 89 { 90 va_list ap; 91 int ret; 92 93 if (move(y, x) != OK) 94 return (ERR); 95 va_start(ap, fmt); 96 ret = vwprintw(stdscr, fmt, ap); 97 va_end(ap); 98 return (ret); 99 } 100 101 int 102 mvwprintw(WINDOW * win, int y, int x, const char *fmt,...) 103 { 104 va_list ap; 105 int ret; 106 107 if (wmove(win, y, x) != OK) 108 return (ERR); 109 110 va_start(ap, fmt); 111 ret = vwprintw(win, fmt, ap); 112 va_end(ap); 113 return (ret); 114 } 115 /* 116 * Internal write-buffer-to-window function. 117 */ 118 static int 119 __winwrite(cookie, buf, n) 120 void *cookie; 121 const char *buf; 122 int n; 123 { 124 WINDOW *win; 125 int c; 126 127 for (c = n, win = cookie; --c >= 0;) 128 { 129 #ifdef DEBUG 130 __CTRACE("__winwrite: %c\n", *buf); 131 #endif 132 if (waddch(win, (chtype) (*buf++ & __CHARTEXT)) == ERR) 133 return (-1); 134 } 135 return (n); 136 } 137 /* 138 * vwprintw -- 139 * This routine actually executes the printf and adds it to the window. 140 */ 141 int 142 vwprintw(WINDOW *win, const char *fmt, _BSD_VA_LIST_ ap) 143 { 144 FILE *f; 145 146 if ((f = funopen(win, NULL, __winwrite, NULL, NULL)) == NULL) 147 return (ERR); 148 (void) vfprintf(f, fmt, ap); 149 return (fclose(f) ? ERR : OK); 150 } 151