lib/libcurses/scanw.c

   1 /*      $NetBSD: scanw.c,v 1.19 2007/05/29 11:10:56 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
  35 static char sccsid[] = "@(#)scanw.c     8.3 (Berkeley) 5/4/94";
  36 #else
  37 __RCSID("$NetBSD: scanw.c,v 1.19 2007/05/29 11:10:56 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  */
  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)