NetBSD/games/monop/getinp.c
jsm 092d313019 Add use of `const' where appropriate to the games.
This merges in all such remaining changes from the Linux port of the
NetBSD games, except in hunt (where substantial changes from OpenBSD
need to be looked at).

Some such changes were previously covered in PRs bin/6041, bin/6146,
bin/6148, bin/6150, bin/6151, bin/6580, bin/6660, bin/7993, bin/7994,
bin/8039, bin/8057 and bin/8093.
1999-09-08 21:17:44 +00:00

131 lines
3.6 KiB
C

/* $NetBSD: getinp.c,v 1.8 1999/09/08 21:17:51 jsm Exp $ */
/*
* Copyright (c) 1980, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)getinp.c 8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: getinp.c,v 1.8 1999/09/08 21:17:51 jsm Exp $");
#endif
#endif /* not lint */
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "monop.ext"
#define LINE 70
static char buf[257];
static int comp __P((const char *));
int
getinp(prompt, list)
const char *prompt, *const list[];
{
int i, n_match, match = 0;
char *sp;
int c;
for (;;) {
inter:
printf(prompt);
for (sp = buf; (c=getchar()) != '\n'; ) {
*sp = c;
if (c == -1) /* check for interupted system call */
goto inter;
else if (sp != buf || *sp != ' ')
sp++;
}
*sp = c;
if (buf[0] == '?' && buf[1] == '\n') {
printf("Valid inputs are: ");
for (i = 0, match = 18; list[i]; i++) {
if ((match+=(n_match=strlen(list[i]))) > LINE) {
printf("\n\t");
match = n_match + 8;
}
if (*list[i] == '\0') {
match += 8;
printf("<RETURN>");
}
else
printf(list[i]);
if (list[i+1])
printf(", ");
else
putchar('\n');
match += 2;
}
continue;
}
*sp = '\0';
for (sp = buf; *sp; sp++)
if (isupper(*sp))
*sp = tolower(*sp);
for (i = n_match = 0; list[i]; i++)
if (comp(list[i])) {
n_match++;
match = i;
}
if (n_match == 1)
return match;
else if (buf[0] != '\0')
printf("Illegal response: \"%s\". "
"Use '?' to get list of valid answers\n", buf);
}
}
static int
comp(s1)
const char *s1;
{
const char *sp, *tsp;
char c;
if (buf[0] != '\0')
for (sp = buf, tsp = s1; *sp; ) {
c = isupper(*tsp) ? tolower(*tsp) : *tsp;
tsp++;
if (c != *sp++)
return 0;
}
else if (*s1 != '\0')
return 0;
return 1;
}