114 lines
3.0 KiB
C
114 lines
3.0 KiB
C
/* $NetBSD: stoc.c,v 1.12 2009/08/12 06:19:17 dholland Exp $ */
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/*
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* Copyright (c) 1994
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Ralph Campbell.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)stoc.c 8.1 (Berkeley) 7/24/94";
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#else
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__RCSID("$NetBSD: stoc.c,v 1.12 2009/08/12 06:19:17 dholland Exp $");
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#endif
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#endif /* not lint */
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#include <ctype.h>
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#include <stdlib.h>
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#include <string.h>
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#include "gomoku.h"
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const char *letters = "<ABCDEFGHJKLMNOPQRST>";
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struct mvstr {
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int m_code;
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const char *m_text;
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};
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static const struct mvstr mv[] = {
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{ RESIGN, "resign" },
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{ RESIGN, "quit" },
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{ SAVE, "save" },
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{ -1, 0 }
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};
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static int lton(int);
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/*
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* Turn the spot number form of a move into the character form.
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*/
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const char *
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stoc(int s)
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{
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static char buf[32];
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int i;
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for (i = 0; mv[i].m_code >= 0; i++)
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if (s == mv[i].m_code)
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return(mv[i].m_text);
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snprintf(buf, sizeof(buf), "%c%d", letters[s % BSZ1], s / BSZ1);
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return(buf);
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}
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/*
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* Turn the character form of a move into the spot number form.
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*/
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int
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ctos(const char *mp)
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{
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int i;
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for (i = 0; mv[i].m_code >= 0; i++)
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if (strcmp(mp, mv[i].m_text) == 0)
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return(mv[i].m_code);
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if (!isalpha((unsigned char)mp[0]))
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return(ILLEGAL);
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i = atoi(&mp[1]);
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if (i < 1 || i > 19)
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return(ILLEGAL);
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return(PT(lton((unsigned char)mp[0]), i));
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}
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/*
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* Turn a letter into a number.
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*/
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static int
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lton(int c)
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{
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int i;
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if (islower(c))
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c = toupper(c);
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for (i = 1; i <= BSZ && letters[i] != c; i++)
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;
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return(i);
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}
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