2 * Copyright (c) 1980, 1987, 1991, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#) Copyright (c) 1980, 1987, 1991, 1993 The Regents of the University of California. All rights reserved.
34 * @(#)wc.c 8.1 (Berkeley) 6/6/93
35 * $FreeBSD: src/usr.bin/wc/wc.c,v 1.11.2.1 2002/08/25 02:47:04 tjr Exp $
36 * $DragonFly: src/usr.bin/wc/wc.c,v 1.5 2005/02/05 16:07:08 liamfoy Exp $
39 #include <sys/param.h>
52 uintmax_t tlinect, twordct, tcharct;
53 int doline, doword, dochar, domulti;
55 static int cnt(const char *);
56 static void usage(void);
59 main(int argc, char **argv)
61 int ch, errors, total;
63 setlocale(LC_CTYPE, "");
65 while ((ch = getopt(argc, argv, "clmw")) != -1) {
89 /* Wc's flags are on by default. */
90 if (doline + doword + dochar + domulti == 0)
91 doline = doword = dochar = 1;
105 printf(" %s\n", *argv);
111 printf(" %7ju", tlinect);
113 printf(" %7ju", twordct);
114 if (dochar || domulti)
115 printf(" %7ju", tcharct);
118 exit(errors == 0 ? 0 : 1);
122 cnt(const char *file)
125 u_quad_t linect, wordct, charct;
127 int clen, fd, len, warned;
130 u_char buf[MAXBSIZE];
133 linect = wordct = charct = 0;
138 if ((fd = open(file, O_RDONLY)) < 0) {
139 warn("%s: open", file);
142 if (doword || (domulti && MB_CUR_MAX != 1))
145 * Line counting is split out because it's a lot faster to get
146 * lines than to get words, since the word count requires some
150 while ((len = read(fd, buf, MAXBSIZE))) {
152 warn("%s: read", file);
157 for (p = buf; len--; ++p) {
163 printf(" %7ju", linect);
166 printf(" %7ju", charct);
172 * If all we need is the number of characters and it's a
173 * regular file, just stat the puppy.
175 if (dochar || domulti) {
176 if (fstat(fd, &sb)) {
177 warn("%s: fstat", file);
181 if (S_ISREG(sb.st_mode)) {
182 printf(" %7lld", (long long)sb.st_size);
183 tcharct += sb.st_size;
190 /* Do it the hard way... */
194 while ((nread = read(fd, buf + len, MAXBSIZE - len)) != 0) {
196 warn("%s: read", file);
203 if (!domulti || MB_CUR_MAX == 1) {
205 wch = (unsigned char)*p;
206 } else if ((clen = mbtowc(&wch, p, len)) <= 0) {
207 if (len > MB_CUR_MAX) {
209 wch = (unsigned char)*p;
216 memmove(buf, p, len);
235 printf(" %7ju", linect);
239 printf(" %7ju", wordct);
241 if (dochar || domulti) {
243 printf(" %7ju", charct);
252 fprintf(stderr, "usage: wc [-clmw] [file ...]\n");