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 1.3 2003/10/04 20:36:55 hmp Exp $
39 #include <sys/param.h>
52 u_quad_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 (void) setlocale(LC_CTYPE, "");
65 while ((ch = getopt(argc, argv, "clmw")) != -1)
88 /* Wc's flags are on by default. */
89 if (doline + doword + dochar + domulti == 0)
90 doline = doword = dochar = 1;
95 if (cnt((char *)NULL) != 0)
104 (void)printf(" %s\n", *argv);
110 (void)printf(" %7qu", tlinect);
112 (void)printf(" %7qu", twordct);
113 if (dochar || domulti)
114 (void)printf(" %7qu", tcharct);
115 (void)printf(" total\n");
117 exit(errors == 0 ? 0 : 1);
121 cnt(const char *file)
124 u_quad_t linect, wordct, charct;
126 int clen, fd, len, warned;
129 u_char buf[MAXBSIZE];
132 linect = wordct = charct = 0;
137 if ((fd = open(file, O_RDONLY, 0)) < 0) {
138 warn("%s: open", file);
141 if (doword || (domulti && MB_CUR_MAX != 1))
144 * Line counting is split out because it's a lot faster to get
145 * lines than to get words, since the word count requires some
149 while ((len = read(fd, buf, MAXBSIZE))) {
151 warn("%s: read", file);
156 for (p = buf; len--; ++p)
161 (void)printf(" %7qu", linect);
164 (void)printf(" %7qu", charct);
170 * If all we need is the number of characters and it's a
171 * regular file, just stat the puppy.
173 if (dochar || domulti) {
174 if (fstat(fd, &sb)) {
175 warn("%s: fstat", file);
179 if (S_ISREG(sb.st_mode)) {
180 (void)printf(" %7lld", (long long)sb.st_size);
181 tcharct += sb.st_size;
188 /* Do it the hard way... */
192 while ((nread = read(fd, buf + len, MAXBSIZE - len)) != 0) {
194 warn("%s: read", file);
201 if (!domulti || MB_CUR_MAX == 1) {
203 wch = (unsigned char)*p;
204 } else if ((clen = mbtowc(&wch, p, len)) <= 0) {
205 if (len > MB_CUR_MAX) {
207 wch = (unsigned char)*p;
214 memmove(buf, p, len);
233 (void)printf(" %7qu", linect);
237 (void)printf(" %7qu", wordct);
239 if (dochar || domulti) {
241 (void)printf(" %7qu", charct);
250 (void)fprintf(stderr, "usage: wc [-clmw] [file ...]\n");