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scanw.c revision 1.20 
      1 /*	$NetBSD: scanw.c,v 1.20 2009/07/07 10:16:52 joerg 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[] = "@(#)scanw.c	8.3 (Berkeley) 5/4/94";
     36 #else
     37 __RCSID("$NetBSD: scanw.c,v 1.20 2009/07/07 10:16:52 joerg 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  */
     53 int
     54 scanw(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  */
     68 int
     69 wscanw(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  */
     84 int
     85 mvscanw(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 
     98 int
     99 mvwscanw(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  */
    115 int
    116 vw_scanw(WINDOW *win, const char *fmt, _BSD_VA_LIST_ ap)
    117 {
    118 
    119 	char    buf[1024];
    120 
    121 	return (wgetnstr(win, buf, (int) sizeof(buf)) == OK ?
    122 	    vsscanf(buf, fmt, ap) : ERR);
    123 }
    124 
    125 __strong_alias(vwscanw, vw_scanw)
    126