1/* $NetBSD: scanw.c,v 1.23 2019/06/30 22:16:20 blymn 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 35static char sccsid[] = "@(#)scanw.c 8.3 (Berkeley) 5/4/94"; 36#else 37__RCSID("$NetBSD: scanw.c,v 1.23 2019/06/30 22:16:20 blymn Exp $"); 38#endif 39#endif /* not lint */ 40 41/* 42 * scanw and friends. 43 */ 44 45#include <stdarg.h> 46 47#include "curses.h" 48 49/* 50 * scanw -- 51 * Implement a scanf on the standard screen. 52 */ 53int 54scanw(const char *fmt,...) 55{ 56 va_list ap; 57 int ret; 58 59 va_start(ap, fmt); 60 ret = vw_scanw(stdscr, fmt, ap); 61 va_end(ap); 62 return ret; 63} 64/* 65 * wscanw -- 66 * Implements a scanf on the given window. 67 */ 68int 69wscanw(WINDOW *win, const char *fmt,...) 70{ 71 va_list ap; 72 int ret; 73 74 va_start(ap, fmt); 75 ret = vw_scanw(win, fmt, ap); 76 va_end(ap); 77 return ret; 78} 79/* 80 * mvscanw, mvwscanw -- 81 * Implement the mvscanw commands. Due to the variable number of 82 * arguments, they cannot be macros. Another sigh.... 83 */ 84int 85mvscanw(int y, int x, const char *fmt,...) 86{ 87 va_list ap; 88 int ret; 89 90 if (move(y, x) != OK) 91 return ERR; 92 va_start(ap, fmt); 93 ret = vw_scanw(stdscr, fmt, ap); 94 va_end(ap); 95 return ret; 96} 97 98int 99mvwscanw(WINDOW * win, int y, int x, const char *fmt,...) 100{ 101 va_list ap; 102 int ret; 103 104 if (move(y, x) != OK) 105 return ERR; 106 va_start(ap, fmt); 107 ret = vw_scanw(win, fmt, ap); 108 va_end(ap); 109 return ret; 110} 111/* 112 * vwscanw -- 113 * This routine actually executes the scanf from the window. 114 */ 115int 116vw_scanw(WINDOW *win, const char *fmt, va_list ap) 117{ 118 char buf[1024]; 119 int ret; 120 121 ret = ERR; 122 if (wgetnstr(win, buf, (int) sizeof(buf)) == OK) { 123 if (vsscanf(buf, fmt, ap) > 0) { 124 ret = OK; 125 } 126 } 127 128 return ret; 129} 130 131__strong_alias(vwscanw, vw_scanw) 132