/* $OpenBSD: pig.c,v 1.6 1998/08/19 07:40:49 pjanzen Exp $ */ /* $NetBSD: pig.c,v 1.2 1995/03/23 08:41:40 cgd 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. 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. */ #ifndef lint static char copyright[] = "@(#) Copyright (c) 1992, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint #if 0 static char sccsid[] = "@(#)pig.c 8.2 (Berkeley) 5/4/95"; #else static char rcsid[] = "$OpenBSD: pig.c,v 1.6 1998/08/19 07:40:49 pjanzen 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> void pigout __P((char *, int)); void usage __P((void)); int main(argc, argv) int argc; char *argv[]; { int len; int ch; char buf[1024]; /* revoke */ setegid(getgid()); setgid(getgid()); 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 (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); } void pigout(buf, len) char *buf; int len; { int ch, start, i; int olen, allupper, firstupper; /* See if the word is all upper case */ allupper = firstupper = isupper(buf[0]); for (i = 1; i < len && allupper; i++) allupper = allupper && isupper(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(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(buf[start]); (void)printf("%.*s%s", olen, buf + start, allupper ? "AY" : "ay"); } void usage() { (void)fprintf(stderr, "usage: pig\n"); exit(1); }