1 /* 2 * Copyright (c) 1981 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 /*static char sccsid[] = "from: @(#)printw.c 5.11 (Berkeley) 8/31/92";*/ 36 static char rcsid[] = "$Id: printw.c,v 1.4 1993/08/07 05:49:03 mycroft Exp $"; 37 #endif /* not lint */ 38 39 #include <curses.h> 40 41 #if __STDC__ 42 #include <stdarg.h> 43 #else 44 #include <varargs.h> 45 #endif 46 47 /* 48 * printw and friends. 49 * 50 * These routines make nonportable assumptions about varargs if __STDC__ 51 * is not in effect. 52 */ 53 54 static int __sprintw __P((WINDOW *, const char *, va_list)); 55 static int __winwrite __P((void *, const char *, int)); 56 57 /* 58 * printw -- 59 * Printf on the standard screen. 60 */ 61 int 62 #if __STDC__ 63 printw(const char *fmt, ...) 64 #else 65 printw(fmt, va_alist) 66 char *fmt; 67 va_dcl 68 #endif 69 { 70 va_list ap; 71 int ret; 72 73 #if __STDC__ 74 va_start(ap, fmt); 75 #else 76 va_start(ap); 77 #endif 78 ret = __sprintw(stdscr, fmt, ap); 79 va_end(ap); 80 return (ret); 81 } 82 83 /* 84 * wprintw -- 85 * Printf on the given window. 86 */ 87 int 88 #if __STDC__ 89 wprintw(WINDOW * win, const char *fmt, ...) 90 #else 91 wprintw(win, fmt, va_alist) 92 WINDOW *win; 93 char *fmt; 94 va_dcl 95 #endif 96 { 97 va_list ap; 98 int ret; 99 100 #ifdef __STDC__ 101 va_start(ap, fmt); 102 #else 103 va_start(ap); 104 #endif 105 ret = __sprintw(win, fmt, ap); 106 va_end(ap); 107 return (ret); 108 } 109 110 /* 111 * mvprintw, mvwprintw -- 112 * Implement the mvprintw commands. Due to the variable number of 113 * arguments, they cannot be macros. Sigh.... 114 */ 115 int 116 #if __STDC__ 117 mvprintw(register int y, register int x, const char *fmt, ...) 118 #else 119 mvprintw(y, x, fmt, va_alist) 120 register int y, x; 121 char *fmt; 122 va_dcl 123 #endif 124 { 125 va_list ap; 126 int ret; 127 128 #if __STDC__ 129 va_start(ap, fmt); 130 #else 131 va_start(ap); 132 #endif 133 if (move(y, x) != OK) 134 return (ERR); 135 ret = __sprintw(stdscr, fmt, ap); 136 va_end(ap); 137 return (ret); 138 } 139 140 int 141 #if __STDC__ 142 mvwprintw(register WINDOW * win, register int y, register int x, 143 const char *fmt, ...) 144 #else 145 mvwprintw(win, y, x, fmt, va_alist) 146 register WINDOW *win; 147 register int y, x; 148 char *fmt; 149 va_dcl 150 #endif 151 { 152 va_list ap; 153 int ret; 154 155 #if __STDC__ 156 va_start(ap, fmt); 157 #else 158 va_start(ap); 159 #endif 160 if (wmove(win, y, x) != OK) 161 return (ERR); 162 163 ret = __sprintw(win, fmt, ap); 164 va_end(ap); 165 return (ret); 166 } 167 168 /* 169 * Internal write-buffer-to-window function. 170 */ 171 static int 172 __winwrite(cookie, buf, n) 173 void *cookie; 174 register const char *buf; 175 int n; 176 { 177 register WINDOW *win; 178 register int c; 179 180 for (c = n, win = cookie; --c >= 0;) 181 if (waddch(win, *buf++) == ERR) 182 return (-1); 183 return (n); 184 } 185 186 /* 187 * __sprintw -- 188 * This routine actually executes the printf and adds it to the window. 189 * It must not be declared static as it is used in mvprintw.c. 190 * THIS SHOULD BE RENAMED vwprintw AND EXPORTED 191 */ 192 static int 193 __sprintw(win, fmt, ap) 194 WINDOW *win; 195 const char *fmt; 196 va_list ap; 197 { 198 FILE *f; 199 200 if ((f = funopen(win, NULL, __winwrite, NULL, NULL)) == NULL) 201 return (ERR); 202 (void)vfprintf(f, fmt, ap); 203 return (fclose(f) ? ERR : OK); 204 } 205