163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore/*
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * Copyright (c) 1988, 1993
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * The Regents of the University of California. All rights reserved.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore *
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * Redistribution and use in source and binary forms, with or without
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * modification, are permitted provided that the following conditions
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * are met:
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * 1. Redistributions of source code must retain the above copyright
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * notice, this list of conditions and the following disclaimer.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * 2. Redistributions in binary form must reproduce the above copyright
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * notice, this list of conditions and the following disclaimer in the
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * documentation and/or other materials provided with the distribution.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * 3. All advertising materials mentioning features or use of this software
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * must display the following acknowledgement:
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * This product includes software developed by the University of
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * California, Berkeley and its contributors.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * 4. Neither the name of the University nor the names of its contributors
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * may be used to endorse or promote products derived from this software
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * without specific prior written permission.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore *
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * SUCH DAMAGE.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore */
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include <sys/types.h>
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include <ctype.h>
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include <err.h>
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include <limits.h>
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include <locale.h>
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include <stdio.h>
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include <stdlib.h>
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include <string.h>
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include <unistd.h>
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include <wchar.h>
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include <wctype.h>
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include "cmap.h"
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include "cset.h"
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore#include "extern.h"
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'AmoreSTR s1 = { STRING1, NORMAL, 0, OOBCH, 0, { 0, OOBCH }, NULL, NULL };
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'AmoreSTR s2 = { STRING2, NORMAL, 0, OOBCH, 0, { 0, OOBCH }, NULL, NULL };
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amorestatic struct cset *setup(char *, STR *, int, int);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amorestatic void usage(void);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amorestatic wint_t
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amorecmap_lookup(struct cmap *cm, wint_t from)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore{
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (from < CM_CACHE_SIZE && cm->cm_havecache)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore return (cm->cm_cache[from]);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore return (cmap_lookup_hard(cm, from));
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore}
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amorestatic wint_t
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amorecmap_max(struct cmap *cm)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore{
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore return (cm->cm_max);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore}
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amorestatic inline bool
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amorecset_in(struct cset *cs, wchar_t ch)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore{
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (ch < CS_CACHE_SIZE && cs->cs_havecache)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore return (cs->cs_cache[ch]);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore return (cset_in_hard(cs, ch));
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore}
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amoreint
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amoremain(int argc, char **argv)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore{
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore static int carray[NCHARS_SB];
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore struct cmap *map;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore struct cset *delete, *squeeze;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore int n, *p;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore int Cflag, cflag, dflag, sflag, isstring2;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore wint_t ch, cnt, lastch;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) setlocale(LC_ALL, "");
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore Cflag = cflag = dflag = sflag = 0;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore while ((ch = getopt(argc, argv, "Ccdsu")) != -1)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore switch ((char)ch) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore case 'C':
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore Cflag = 1;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore cflag = 0;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore break;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore case 'c':
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore cflag = 1;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore Cflag = 0;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore break;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore case 'd':
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore dflag = 1;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore break;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore case 's':
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore sflag = 1;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore break;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore case 'u':
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore setbuf(stdout, (char *)NULL);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore break;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore case '?':
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore default:
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore usage();
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore argc -= optind;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore argv += optind;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore switch (argc) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore case 0:
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore default:
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore usage();
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore /* NOTREACHED */
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore case 1:
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore isstring2 = 0;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore break;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore case 2:
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore isstring2 = 1;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore break;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore /*
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * tr -ds [-Cc] string1 string2
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * Delete all characters (or complemented characters) in string1.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * Squeeze all characters in string2.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore */
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (dflag && sflag) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (!isstring2)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore usage();
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore delete = setup(argv[0], &s1, cflag, Cflag);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore squeeze = setup(argv[1], &s2, 0, 0);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore for (lastch = OOBCH; (ch = getwchar()) != WEOF; )
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (!cset_in(delete, ch) &&
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (lastch != ch || !cset_in(squeeze, ch))) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore lastch = ch;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) putwchar(ch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (ferror(stdin))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore err(1, NULL);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore exit(0);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore /*
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * tr -d [-Cc] string1
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * Delete all characters (or complemented characters) in string1.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore */
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (dflag) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (isstring2)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore usage();
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore delete = setup(argv[0], &s1, cflag, Cflag);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore while ((ch = getwchar()) != WEOF)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (!cset_in(delete, ch))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) putwchar(ch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (ferror(stdin))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore err(1, NULL);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore exit(0);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore /*
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * tr -s [-Cc] string1
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * Squeeze all characters (or complemented characters) in string1.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore */
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (sflag && !isstring2) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore squeeze = setup(argv[0], &s1, cflag, Cflag);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore for (lastch = OOBCH; (ch = getwchar()) != WEOF; )
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (lastch != ch || !cset_in(squeeze, ch)) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore lastch = ch;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) putwchar(ch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (ferror(stdin))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore err(1, NULL);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore exit(0);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore /*
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * tr [-Ccs] string1 string2
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * Replace all characters (or complemented characters) in string1 with
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * the character in the same position in string2. If the -s option is
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * specified, squeeze all the characters in string2.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore */
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (!isstring2)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore usage();
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore map = cmap_alloc();
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (map == NULL)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore err(1, NULL);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore squeeze = cset_alloc();
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (squeeze == NULL)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore err(1, NULL);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore s1.str = argv[0];
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (Cflag || cflag) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cmap_default(map, OOBCH);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if ((s2.str = strdup(argv[1])) == NULL)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore errx(1, "strdup(argv[1])");
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore } else
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore s2.str = argv[1];
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (!next(&s2))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore errx(1, "empty string2");
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore /*
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * For -s result will contain only those characters defined
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * as the second characters in each of the toupper or tolower
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * pairs.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore */
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore /* If string2 runs out of characters, use the last one specified. */
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore while (next(&s1)) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore again:
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (s1.state == CCLASS_LOWER &&
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore s2.state == CCLASS_UPPER &&
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore s1.cnt == 1 && s2.cnt == 1) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore do {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore ch = towupper(s1.lastch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cmap_add(map, s1.lastch, ch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (sflag && iswupper(ch))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cset_add(squeeze, ch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (!next(&s1))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore goto endloop;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore } while (s1.state == CCLASS_LOWER && s1.cnt > 1);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore /* skip upper set */
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore do {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (!next(&s2))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore break;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore } while (s2.state == CCLASS_UPPER && s2.cnt > 1);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore goto again;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore } else if (s1.state == CCLASS_UPPER &&
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore s2.state == CCLASS_LOWER &&
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore s1.cnt == 1 && s2.cnt == 1) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore do {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore ch = towlower(s1.lastch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cmap_add(map, s1.lastch, ch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (sflag && iswlower(ch))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cset_add(squeeze, ch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (!next(&s1))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore goto endloop;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore } while (s1.state == CCLASS_UPPER && s1.cnt > 1);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore /* skip lower set */
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore do {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (!next(&s2))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore break;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore } while (s2.state == CCLASS_LOWER && s2.cnt > 1);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore goto again;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore } else {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cmap_add(map, s1.lastch, s2.lastch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (sflag)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cset_add(squeeze, s2.lastch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) next(&s2);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amoreendloop:
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (cflag || (Cflag && MB_CUR_MAX > 1)) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore /*
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * This is somewhat tricky: since the character set is
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * potentially huge, we need to avoid allocating a map
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * entry for every character. Our strategy is to set the
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * default mapping to the last character of string #2
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * (= the one that gets automatically repeated), then to
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * add back identity mappings for characters that should
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * remain unchanged. We don't waste space on identity mappings
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * for non-characters with the -C option; those are simulated
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * in the I/O loop.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore */
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore s2.str = argv[1];
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore s2.state = NORMAL;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore for (cnt = 0; cnt < WCHAR_MAX; cnt++) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (Cflag && !iswrune(cnt))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore continue;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (cmap_lookup(map, cnt) == OOBCH) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (next(&s2))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cmap_add(map, cnt, s2.lastch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (sflag)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cset_add(squeeze, s2.lastch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore } else
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cmap_add(map, cnt, cnt);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if ((s2.state == EOS || s2.state == INFINITE) &&
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore cnt >= cmap_max(map))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore break;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cmap_default(map, s2.lastch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore } else if (Cflag) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore for (p = carray, cnt = 0; cnt < NCHARS_SB; cnt++) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (cmap_lookup(map, cnt) == OOBCH && iswrune(cnt))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore *p++ = cnt;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore else
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cmap_add(map, cnt, cnt);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore n = p - carray;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (Cflag && n > 1)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) qsort(carray, n, sizeof (*carray), charcoll);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore s2.str = argv[1];
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore s2.state = NORMAL;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore for (cnt = 0; cnt < n; cnt++) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) next(&s2);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cmap_add(map, carray[cnt], s2.lastch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore /*
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * Chars taken from s2 can be different this time
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * due to lack of complex upper/lower processing,
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore * so fill string2 again to not miss some.
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore */
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (sflag)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cset_add(squeeze, s2.lastch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore cset_cache(squeeze);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore cmap_cache(map);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (sflag)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore for (lastch = OOBCH; (ch = getwchar()) != WEOF; ) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (!Cflag || iswrune(ch))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore ch = cmap_lookup(map, ch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (lastch != ch || !cset_in(squeeze, ch)) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore lastch = ch;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) putwchar(ch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore else
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore while ((ch = getwchar()) != WEOF) {
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (!Cflag || iswrune(ch))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore ch = cmap_lookup(map, ch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) putwchar(ch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore }
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (ferror(stdin))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore err(1, NULL);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore exit(0);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore}
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amorestatic struct cset *
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amoresetup(char *arg, STR *str, int cflag, int Cflag)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore{
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore struct cset *cs;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore cs = cset_alloc();
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (cs == NULL)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore err(1, NULL);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore str->str = arg;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore while (next(str))
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cset_add(cs, str->lastch);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (Cflag)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) cset_addclass(cs, wctype("rune"), true);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore if (cflag || Cflag)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore cset_invert(cs);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore cset_cache(cs);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore return (cs);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore}
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amoreint
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amorecharcoll(const void *a, const void *b)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore{
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore static char sa[2], sb[2];
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore sa[0] = *(const int *)a;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore sb[0] = *(const int *)b;
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore return (strcoll(sa, sb));
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore}
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amorestatic void
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amoreusage(void)
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore{
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore (void) fprintf(stderr, "%s\n%s\n%s\n%s\n",
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore "usage: tr [-Ccsu] string1 string2",
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore " tr [-Ccu] -d string1",
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore " tr [-Ccu] -s string1",
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore " tr [-Ccu] -ds string1 string2");
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore exit(1);
163bd69b3c164dda2a59c7f08ca788e7d6ba9beaGarrett D'Amore}