1 /* $NetBSD: printw.c,v 1.9 1997/07/22 07:36:56 mikel 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 1.9 1997/07/22 07:36:56 mikel Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #ifdef __STDC__ 46 #include <stdarg.h> 47 #else 48 #include <varargs.h> 49 #endif 50 51 #include "curses.h" 52 53 /* 54 * printw and friends. 55 * 56 * These routines make nonportable assumptions about varargs if __STDC__ 57 * is not in effect. 58 */ 59 60 static int __winwrite __P((void *, const char *, int)); 61 62 /* 63 * printw -- 64 * Printf on the standard screen. 65 */ 66 int 67 #ifdef __STDC__ 68 printw(const char *fmt, ...) 69 #else 70 printw(fmt, va_alist) 71 char *fmt; 72 va_dcl 73 #endif 74 { 75 va_list ap; 76 int ret; 77 78 #ifdef __STDC__ 79 va_start(ap, fmt); 80 #else 81 va_start(ap); 82 #endif 83 ret = vwprintw(stdscr, fmt, ap); 84 va_end(ap); 85 return (ret); 86 } 87 88 /* 89 * wprintw -- 90 * Printf on the given window. 91 */ 92 int 93 #ifdef __STDC__ 94 wprintw(WINDOW * win, const char *fmt, ...) 95 #else 96 wprintw(win, fmt, va_alist) 97 WINDOW *win; 98 char *fmt; 99 va_dcl 100 #endif 101 { 102 va_list ap; 103 int ret; 104 105 #ifdef __STDC__ 106 va_start(ap, fmt); 107 #else 108 va_start(ap); 109 #endif 110 ret = vwprintw(win, fmt, ap); 111 va_end(ap); 112 return (ret); 113 } 114 115 /* 116 * mvprintw, mvwprintw -- 117 * Implement the mvprintw commands. Due to the variable number of 118 * arguments, they cannot be macros. Sigh.... 119 */ 120 int 121 #ifdef __STDC__ 122 mvprintw(register int y, register int x, const char *fmt, ...) 123 #else 124 mvprintw(y, x, fmt, va_alist) 125 register int y, x; 126 char *fmt; 127 va_dcl 128 #endif 129 { 130 va_list ap; 131 int ret; 132 133 #ifdef __STDC__ 134 va_start(ap, fmt); 135 #else 136 va_start(ap); 137 #endif 138 if (move(y, x) != OK) 139 return (ERR); 140 ret = vwprintw(stdscr, fmt, ap); 141 va_end(ap); 142 return (ret); 143 } 144 145 int 146 #ifdef __STDC__ 147 mvwprintw(register WINDOW * win, register int y, register int x, 148 const char *fmt, ...) 149 #else 150 mvwprintw(win, y, x, fmt, va_alist) 151 register WINDOW *win; 152 register int y, x; 153 char *fmt; 154 va_dcl 155 #endif 156 { 157 va_list ap; 158 int ret; 159 160 #ifdef __STDC__ 161 va_start(ap, fmt); 162 #else 163 va_start(ap); 164 #endif 165 if (wmove(win, y, x) != OK) 166 return (ERR); 167 168 ret = vwprintw(win, fmt, ap); 169 va_end(ap); 170 return (ret); 171 } 172 173 /* 174 * Internal write-buffer-to-window function. 175 */ 176 static int 177 __winwrite(cookie, buf, n) 178 void *cookie; 179 register const char *buf; 180 int n; 181 { 182 register WINDOW *win; 183 register int c; 184 185 for (c = n, win = cookie; --c >= 0;) 186 if (waddch(win, *buf++) == ERR) 187 return (-1); 188 return (n); 189 } 190 191 /* 192 * vwprintw -- 193 * This routine actually executes the printf and adds it to the window. 194 */ 195 int 196 vwprintw(win, fmt, ap) 197 WINDOW *win; 198 const char *fmt; 199 va_list ap; 200 { 201 FILE *f; 202 203 if ((f = funopen(win, NULL, __winwrite, NULL, NULL)) == NULL) 204 return (ERR); 205 (void)vfprintf(f, fmt, ap); 206 return (fclose(f) ? ERR : OK); 207 } 208