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

Revision 1.15, Tue Jun 19 05:46:09 2012 UTC (7 years, 4 months ago) by dholland
Branch: MAIN
CVS Tags: yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9, netbsd-8-base, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, matt-nb8-mediatek-base, matt-nb8-mediatek, localcount-20160914, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, agc-symver-base, agc-symver, HEAD
Changes since 1.14: +5 -9 lines

WARNS=5, and make WARNS=5 the default for src/games.

/*	$NetBSD: pig.c,v 1.15 2012/06/19 05:46:09 dholland Exp $	*/

/*-
 * Copyright (c) 1992, 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
__COPYRIGHT("@(#) Copyright (c) 1992, 1993\
 The Regents of the University of California.  All rights reserved.");
#endif /* not lint */

#ifndef lint
#if 0
static char sccsid[] = "@(#)pig.c	8.2 (Berkeley) 5/4/95";
#else
__RCSID("$NetBSD: pig.c,v 1.15 2012/06/19 05:46:09 dholland Exp $");
#endif
#endif /* not lint */

#include <sys/types.h>

#include <ctype.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

int main(int, char *[]);
static void pigout(char *, int);
static void usage(void) __dead;

int
main(int argc, char *argv[])
{
	int len;
	int ch;
	char buf[1024];

	while ((ch = getopt(argc, argv, "")) != -1)
		switch(ch) {
		case '?':
		default:
			usage();
		}
	argc -= optind;
	argv += optind;

	for (len = 0; (ch = getchar()) != EOF;) {
		if (isalpha(ch)) {
			if ((size_t)len >= sizeof(buf))
				errx(1, "ate too much!");
			buf[len++] = ch;
			continue;
		}
		if (len != 0) {
			pigout(buf, len);
			len = 0;
		}
		(void)putchar(ch);
	}
	exit(0);
}

static void
pigout(char *buf, int len)
{
	int ch, start, i;
	int olen, allupper, firstupper;

	/* See if the word is all upper case */
	allupper = firstupper = isupper((unsigned char)buf[0]);
	for (i = 1; i < len && allupper; i++)
		allupper = allupper && isupper((unsigned char)buf[i]);

	/*
	 * If the word starts with a vowel, append "way".  Don't treat 'y'
	 * as a vowel if it appears first.
	 */
	if (strchr("aeiouAEIOU", buf[0]) != NULL) {
		(void)printf("%.*s%s", len, buf,
		    allupper ? "WAY" : "way");
		return;
	}

	/*
	 * Copy leading consonants to the end of the word.  The unit "qu"
	 * isn't treated as a vowel.
	 */
	if (!allupper)
		buf[0] = tolower((unsigned char)buf[0]);
	for (start = 0, olen = len;
	    !strchr("aeiouyAEIOUY", buf[start]) && start < olen;) {
		ch = buf[len++] = buf[start++];
		if ((ch == 'q' || ch == 'Q') && start < olen &&
		    (buf[start] == 'u' || buf[start] == 'U'))
			buf[len++] = buf[start++];
	}
	if (firstupper)
		buf[start] = toupper((unsigned char)buf[start]);
	(void)printf("%.*s%s", olen, buf + start, allupper ? "AY" : "ay");
}

static void
usage(void)
{
	(void)fprintf(stderr, "usage: pig\n");
	exit(1);
}