1: /*      $NetBSD: getguess.c,v 1.8 2003/08/07 09:37:21 agc Exp $      */
    2: 
    3: /*
    4:  * Copyright (c) 1983, 1993
    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[] = "@(#)getguess.c  8.1 (Berkeley) 5/31/93";
   36: #else
   37: __RCSID("$NetBSD: getguess.c,v 1.8 2003/08/07 09:37:21 agc Exp $");
   38: #endif
   39: #endif /* not lint */
   40: 
   41: #include <sys/ttydefaults.h>
   42: #include "hangman.h"
   43: 
   44: /*
   45:  * getguess:
   46:  *      Get another guess
   47:  */
   48: void
   49: getguess()
   50: {
   51:         int i;
   52:         int ch;
   53:         bool correct;
   54: 
   55:         leaveok(stdscr, FALSE);
   56:         for (;;) {
   57:                 move(PROMPTY, PROMPTX + sizeof "Guess: ");
   58:                 refresh();
   59:                 ch = readch();
   60:                 if (isalpha(ch)) {
   61:                         if (isupper(ch))
   62:                                 ch = tolower(ch);
   63:                         if (Guessed[ch - 'a'])
   64:                                 mvprintw(MESGY, MESGX, "Already guessed '%c'",
   65:                                     ch);
   66:                         else
   67:                                 break;
   68:                 } else
   69:                         if (ch == CTRL('D'))
   70:                                 die(0);
   71:                         else
   72:                                 mvprintw(MESGY, MESGX,
   73:                                     "Not a valid guess: '%s'", unctrl(ch));
   74:         }
   75:         leaveok(stdscr, TRUE);
   76:         move(MESGY, MESGX);
   77:         clrtoeol();
   78: 
   79:         Guessed[ch - 'a'] = TRUE;
   80:         correct = FALSE;
   81:         for (i = 0; Word[i] != '\0'; i++)
   82:                 if (Word[i] == ch) {
   83:                         Known[i] = ch;
   84:                         correct = TRUE;
   85:                 }
   86:         if (!correct)
   87:                 Errors++;
   88: }
   89: /*
   90:  * readch;
   91:  *      Read a character from the input
   92:  */
   93: int
   94: readch()
   95: {
   96:         int cnt;
   97:         char ch;
   98: 
   99:         cnt = 0;
  100:         for (;;) {
  101:                 if (read(0, &ch, sizeof ch) <= 0) {
  102:                         if (++cnt > 100)
  103:                                 die(0);
  104:                 } else
  105:                         if (ch == CTRL('L')) {
  106:                                 wrefresh(curscr);
  107:                         } else
  108:                                 return ch;
  109:         }
  110: }