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scanw.c revision 1.9 
      1 /*	$NetBSD: scanw.c,v 1.9 1998/02/03 19:12:33 perry 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[] = "@(#)scanw.c	8.3 (Berkeley) 5/4/94";
     40 #else
     41 __RCSID("$NetBSD: scanw.c,v 1.9 1998/02/03 19:12:33 perry Exp $");
     42 #endif
     43 #endif	/* not lint */
     44 
     45 /*
     46  * scanw and friends.
     47  */
     48 
     49 #ifdef __STDC__
     50 #include <stdarg.h>
     51 #else
     52 #include <varargs.h>
     53 #endif
     54 
     55 #include "curses.h"
     56 
     57 /*
     58  * scanw --
     59  *	Implement a scanf on the standard screen.
     60  */
     61 int
     62 #ifdef __STDC__
     63 scanw(const char *fmt, ...)
     64 #else
     65 scanw(fmt, va_alist)
     66 	char *fmt;
     67 	va_dcl
     68 #endif
     69 {
     70 	va_list ap;
     71 	int ret;
     72 
     73 #ifdef __STDC__
     74 	va_start(ap, fmt);
     75 #else
     76 	va_start(ap);
     77 #endif
     78 	ret = vwscanw(stdscr, fmt, ap);
     79 	va_end(ap);
     80 	return (ret);
     81 }
     82 
     83 /*
     84  * wscanw --
     85  *	Implements a scanf on the given window.
     86  */
     87 int
     88 #ifdef __STDC__
     89 wscanw(WINDOW *win, const char *fmt, ...)
     90 #else
     91 wscanw(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 = vwscanw(win, fmt, ap);
    106 	va_end(ap);
    107 	return (ret);
    108 }
    109 
    110 /*
    111  * mvscanw, mvwscanw --
    112  *	Implement the mvscanw commands.  Due to the variable number of
    113  *	arguments, they cannot be macros.  Another sigh....
    114  */
    115 int
    116 #ifdef __STDC__
    117 mvscanw(int y, int x, const char *fmt,...)
    118 #else
    119 mvscanw(y, x, fmt, va_alist)
    120 	int y, x;
    121 	char *fmt;
    122 	va_dcl
    123 #endif
    124 {
    125 	va_list ap;
    126 	int ret;
    127 
    128 	if (move(y, x) != OK)
    129 		return (ERR);
    130 #ifdef __STDC__
    131 	va_start(ap, fmt);
    132 #else
    133 	va_start(ap);
    134 #endif
    135 	ret = vwscanw(stdscr, fmt, ap);
    136 	va_end(ap);
    137 	return (ret);
    138 }
    139 
    140 int
    141 #ifdef __STDC__
    142 mvwscanw(WINDOW * win, int y, int x,
    143     const char *fmt, ...)
    144 #else
    145 mvwscanw(win, y, x, fmt, va_alist)
    146 	WINDOW *win;
    147 	int y, x;
    148 	char *fmt;
    149 	va_dcl
    150 #endif
    151 {
    152 	va_list ap;
    153 	int ret;
    154 
    155 	if (move(y, x) != OK)
    156 		return (ERR);
    157 #ifdef __STDC__
    158 	va_start(ap, fmt);
    159 #else
    160 	va_start(ap);
    161 #endif
    162 	ret = vwscanw(win, fmt, ap);
    163 	va_end(ap);
    164 	return (ret);
    165 }
    166 
    167 /*
    168  * vwscanw --
    169  *	This routine actually executes the scanf from the window.
    170  */
    171 int
    172 vwscanw(win, fmt, ap)
    173 	WINDOW *win;
    174 	const char *fmt;
    175 	va_list ap;
    176 {
    177 
    178 	char buf[1024];
    179 
    180 	return (wgetstr(win, buf) == OK ?
    181 	    vsscanf(buf, fmt, ap) : ERR);
    182 }
    183