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Commit	Line	Data
eb9cdc7f	1	/* $OpenBSD: getguess.c,v 1.13 2015/02/07 03:30:08 tedu Exp $ */
	2	/* $NetBSD: getguess.c,v 1.5 1995/03/23 08:32:43 cgd Exp $ */
	3
	4	/*
984263bc MD	5	* Copyright (c) 1983, 1993
	6	* The Regents of the University of California. All rights reserved.
	7	*
	8	* Redistribution and use in source and binary forms, with or without
	9	* modification, are permitted provided that the following conditions
	10	* are met:
	11	* 1. Redistributions of source code must retain the above copyright
	12	* notice, this list of conditions and the following disclaimer.
	13	* 2. Redistributions in binary form must reproduce the above copyright
	14	* notice, this list of conditions and the following disclaimer in the
	15	* documentation and/or other materials provided with the distribution.
6693db17	16	* 3. Neither the name of the University nor the names of its contributors
984263bc MD	17	* may be used to endorse or promote products derived from this software
	18	* without specific prior written permission.
	19	*
	20	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	21	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	22	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	23	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	24	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	25	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	26	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	27	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	28	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	29	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	30	* SUCH DAMAGE.
	31	*/
	32
984263bc MD	33	#include <sys/ttydefaults.h>
	34	#include "hangman.h"
	35
	36	/*
	37	* getguess:
	38	* Get another guess
	39	*/
	40	void
9a362823	41	getguess(void)
984263bc	42	{
6693db17	43	int i;
eb9cdc7f	44	unsigned char ch, uch;
6693db17	45	bool correct;
984263bc MD	46
	47	leaveok(stdscr, FALSE);
	48	for (;;) {
9a362823	49	move(PROMPTY, PROMPTX + sizeof("Guess: "));
984263bc MD	50	refresh();
	51	ch = readch();
	52	if (isalpha(ch)) {
	53	if (isupper(ch))
	54	ch = tolower(ch);
eb9cdc7f	55	if (Guessed[ch - 'a']) {
	56	move(MESGY, MESGX);
	57	clrtoeol();
	58	mvprintw(MESGY, MESGX, "Already guessed '%c'",
	59	ch);
	60	} else
984263bc	61	break;
eb9cdc7f	62	} else if (isdigit(ch)) {
	63	if (Guessed[ch - '0' + 26]) {
	64	move(MESGY, MESGX);
	65	clrtoeol();
	66	mvprintw(MESGY, MESGX, "Already guessed '%c'",
	67	ch);
	68	} else
	69	break;
	70	} else
	71	if (ch == CTRL('D'))
	72	die(0);
	73	else {
	74	move(MESGY, MESGX);
	75	clrtoeol();
	76	mvprintw(MESGY, MESGX,
	77	"Not a valid guess: '%s'", unctrl(ch));
	78	}
984263bc MD	79	}
	80	leaveok(stdscr, TRUE);
	81	move(MESGY, MESGX);
	82	clrtoeol();
	83
eb9cdc7f	84	if (isalpha(ch))
	85	Guessed[ch - 'a'] = TRUE;
	86	else
	87	Guessed[ch - '0' + 26] = TRUE;
984263bc	88	correct = FALSE;
09871f9d	89	uch = toupper(ch);
9a362823	90	for (i = 0; Word[i] != '\0'; i++) {
984263bc MD	91	if (Word[i] == ch) {
	92	Known[i] = ch;
	93	correct = TRUE;
09871f9d SW	94	} else if (Word[i] == uch) {
	95	Known[i] = uch;
	96	correct = TRUE;
984263bc	97	}
9a362823	98	}
984263bc MD	99	if (!correct)
	100	Errors++;
	101	}
	102
	103	/*
	104	* readch;
	105	* Read a character from the input
	106	*/
eb9cdc7f	107	unsigned char
9a362823	108	readch(void)
984263bc	109	{
6693db17 SW	110	int cnt;
6693db17 SW	111	char ch;
984263bc MD	112
	113	cnt = 0;
	114	for (;;) {
6693db17	115	if (read(STDIN_FILENO, &ch, sizeof(ch)) <= 0) {
984263bc MD	116	if (++cnt > 100)
984263bc MD	117	die(0);
9a362823	118	} else
eb9cdc7f	119	if (ch == CTRL('L')) {
	120	wrefresh(curscr);
	121	mvcur(0, 0, curscr->_cury, curscr->_curx);
	122	} else
	123	return ch;
984263bc MD	124	}
984263bc MD	125	}