| 1 | /* |
| 2 | * Copyright (c) 1983 Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. All advertising materials mentioning features or use of this software |
| 14 | * must display the following acknowledgement: |
| 15 | * This product includes software developed by the University of |
| 16 | * California, Berkeley and its contributors. |
| 17 | * 4. Neither the name of the University nor the names of its contributors |
| 18 | * may be used to endorse or promote products derived from this software |
| 19 | * without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 31 | * SUCH DAMAGE. |
| 32 | */ |
| 33 | |
| 34 | #ifndef lint |
| 35 | static char sccsid[] = "@(#)getguess.c 5.4 (Berkeley) 6/1/90"; |
| 36 | #endif /* not lint */ |
| 37 | |
| 38 | # include "hangman.h" |
| 39 | |
| 40 | /* |
| 41 | * getguess: |
| 42 | * Get another guess |
| 43 | */ |
| 44 | getguess() |
| 45 | { |
| 46 | register int i; |
| 47 | register int ch; |
| 48 | register bool correct; |
| 49 | |
| 50 | leaveok(stdscr, FALSE); |
| 51 | for (;;) { |
| 52 | move(PROMPTY, PROMPTX + sizeof "Guess: "); |
| 53 | refresh(); |
| 54 | ch = readch(); |
| 55 | if (isalpha(ch)) { |
| 56 | if (isupper(ch)) |
| 57 | ch = tolower(ch); |
| 58 | if (Guessed[ch - 'a']) |
| 59 | mvprintw(MESGY, MESGX, "Already guessed '%c'", ch); |
| 60 | else |
| 61 | break; |
| 62 | } |
| 63 | else if (ch == CTRL('D')) |
| 64 | die(); |
| 65 | else |
| 66 | mvprintw(MESGY, MESGX, "Not a valid guess: '%s'", |
| 67 | unctrl(ch)); |
| 68 | } |
| 69 | leaveok(stdscr, TRUE); |
| 70 | move(MESGY, MESGX); |
| 71 | clrtoeol(); |
| 72 | |
| 73 | Guessed[ch - 'a'] = TRUE; |
| 74 | correct = FALSE; |
| 75 | for (i = 0; Word[i] != '\0'; i++) |
| 76 | if (Word[i] == ch) { |
| 77 | Known[i] = ch; |
| 78 | correct = TRUE; |
| 79 | } |
| 80 | if (!correct) |
| 81 | Errors++; |
| 82 | } |
| 83 | |
| 84 | /* |
| 85 | * readch; |
| 86 | * Read a character from the input |
| 87 | */ |
| 88 | readch() |
| 89 | { |
| 90 | register int cnt, r; |
| 91 | auto char ch; |
| 92 | |
| 93 | cnt = 0; |
| 94 | for (;;) { |
| 95 | if (read(0, &ch, sizeof ch) <= 0) |
| 96 | { |
| 97 | if (++cnt > 100) |
| 98 | die(); |
| 99 | } |
| 100 | else if (ch == CTRL('L')) { |
| 101 | wrefresh(curscr); |
| 102 | mvcur(0, 0, curscr->_cury, curscr->_curx); |
| 103 | } |
| 104 | else |
| 105 | return ch; |
| 106 | } |
| 107 | } |