1 /* $NetBSD: stoc.c,v 1.6 2000/07/03 03:57:41 matt Exp $ */ 2 3 /* 4 * Copyright (c) 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 #ifndef lint 41 #if 0 42 static char sccsid[] = "@(#)stoc.c 8.1 (Berkeley) 7/24/94"; 43 #else 44 __RCSID("$NetBSD: stoc.c,v 1.6 2000/07/03 03:57:41 matt Exp $"); 45 #endif 46 #endif /* not lint */ 47 48 #include <ctype.h> 49 #include <stdlib.h> 50 #include <string.h> 51 #include "gomoku.h" 52 53 const char *letters = "<ABCDEFGHJKLMNOPQRST>"; 54 55 struct mvstr { 56 int m_code; 57 const char *m_text; 58 }; 59 static const struct mvstr mv[] = { 60 { RESIGN, "resign" }, 61 { RESIGN, "quit" }, 62 { SAVE, "save" }, 63 { -1, 0 } 64 }; 65 66 /* 67 * Turn the spot number form of a move into the character form. 68 */ 69 const char * 70 stoc(s) 71 int s; 72 { 73 static char buf[32]; 74 int i; 75 76 for (i = 0; mv[i].m_code >= 0; i++) 77 if (s == mv[i].m_code) 78 return(mv[i].m_text); 79 sprintf(buf, "%c%d", letters[s % BSZ1], s / BSZ1); 80 return(buf); 81 } 82 83 /* 84 * Turn the character form of a move into the spot number form. 85 */ 86 int 87 ctos(mp) 88 const char *mp; 89 { 90 int i; 91 92 for (i = 0; mv[i].m_code >= 0; i++) 93 if (strcmp(mp, mv[i].m_text) == 0) 94 return(mv[i].m_code); 95 if (!isalpha(mp[0])) 96 return(ILLEGAL); 97 i = atoi(&mp[1]); 98 if (i < 1 || i > 19) 99 return(ILLEGAL); 100 return(PT(lton(mp[0]), i)); 101 } 102 103 /* 104 * Turn a letter into a number. 105 */ 106 int 107 lton(c) 108 int c; 109 { 110 int i; 111 112 if (islower(c)) 113 c = toupper(c); 114 for (i = 1; i <= BSZ && letters[i] != c; i++) 115 ; 116 return(i); 117 } 118