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File: [cvs.NetBSD.org] / src / games / battlestar / getcom.c (download)

Revision 1.11, Thu Aug 7 09:37:02 2003 UTC (17 years, 6 months ago) by agc
Branch: MAIN
CVS Tags: netbsd-2-base, netbsd-2-1-RELEASE, netbsd-2-1-RC6, netbsd-2-1-RC5, netbsd-2-1-RC4, netbsd-2-1-RC3, netbsd-2-1-RC2, netbsd-2-1-RC1, netbsd-2-1, netbsd-2-0-base, netbsd-2-0-RELEASE, netbsd-2-0-RC5, netbsd-2-0-RC4, netbsd-2-0-RC3, netbsd-2-0-RC2, netbsd-2-0-RC1, netbsd-2-0-3-RELEASE, netbsd-2-0-2-RELEASE, netbsd-2-0-1-RELEASE, netbsd-2-0, netbsd-2
Changes since 1.10: +3 -7 lines

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22269, verified by myself.

/*	$NetBSD: getcom.c,v 1.11 2003/08/07 09:37:02 agc Exp $	*/

/*
 * Copyright (c) 1983, 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. 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[] = "@(#)getcom.c	8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: getcom.c,v 1.11 2003/08/07 09:37:02 agc Exp $");
#endif
#endif				/* not lint */

#include "extern.h"

char   *
getcom(buf, size, prompt, error)
	char   *buf;
	int     size;
	const char   *prompt, *error;
{
	for (;;) {
		fputs(prompt, stdout);
		if (fgets(buf, size, stdin) == 0) {
			if (feof(stdin))
				die();
			clearerr(stdin);
			continue;
		}
		while (isspace(*buf))
			buf++;
		if (*buf)
			break;
		if (error)
			puts(error);
	}
	/* If we didn't get to the end of the line, don't read it in next time. */
	if (buf[strlen(buf) - 1] != '\n') {
		int i;
		while ((i = getchar()) != '\n' && i != EOF)
			continue;
	}
	return (buf);
}


/*
 * shifts to UPPERCASE if flag > 0, lowercase if flag < 0,
 * and leaves it unchanged if flag = 0
 */
char   *
getword(buf1, buf2, flag)
	char   *buf1, *buf2;
	int     flag;
{
	int cnt;

	cnt = 1;
	while (isspace(*buf1))
		buf1++;
	if (*buf1 != ',') {
		if (!*buf1) {
			*buf2 = 0;
			return (0);
		}
		while (cnt < WORDLEN && *buf1 && !isspace(*buf1) && *buf1 != ',')
			if (flag < 0) {
				if (isupper(*buf1)) {
					*buf2++ = tolower(*buf1++);
					cnt++;
				} else {
					*buf2++ = *buf1++;
					cnt++;
				}
			} else if (flag > 0) {
				if (islower(*buf1)) {
					*buf2++ = toupper(*buf1++);
					cnt++;
				} else {
					*buf2++ = *buf1++;
					cnt++;
				}
			} else {
				*buf2++ = *buf1++;
				cnt++;
			}
		if (cnt == WORDLEN)
			while (*buf1 && !isspace(*buf1))
				buf1++;
	} else
		*buf2++ = *buf1++;
	*buf2 = '\0';
	while (isspace(*buf1))
		buf1++;
	return (*buf1 ? buf1 : NULL);
}