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
35 static const char copyright[] =
36 "@(#) Copyright (c) 1980, 1987, 1991, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
42 static char sccsid[] = "@(#)wc.c 8.1 (Berkeley) 6/6/93";
46 #include <sys/cdefs.h>
47 __FBSDID("$FreeBSD: src/usr.bin/wc/wc.c,v 1.11.2.1 2002/08/25 02:47:04 tjr Exp $");
49 #include <sys/param.h>
62 u_quad_t tlinect, twordct, tcharct;
63 int doline, doword, dochar, domulti;
65 static int cnt(const char *);
66 static void usage(void);
73 int ch, errors, total;
75 (void) setlocale(LC_CTYPE, "");
77 while ((ch = getopt(argc, argv, "clmw")) != -1)
100 /* Wc's flags are on by default. */
101 if (doline + doword + dochar + domulti == 0)
102 doline = doword = dochar = 1;
107 if (cnt((char *)NULL) != 0)
116 (void)printf(" %s\n", *argv);
122 (void)printf(" %7qu", tlinect);
124 (void)printf(" %7qu", twordct);
125 if (dochar || domulti)
126 (void)printf(" %7qu", tcharct);
127 (void)printf(" total\n");
129 exit(errors == 0 ? 0 : 1);
137 u_quad_t linect, wordct, charct;
139 int clen, fd, len, warned;
142 u_char buf[MAXBSIZE];
145 linect = wordct = charct = 0;
150 if ((fd = open(file, O_RDONLY, 0)) < 0) {
151 warn("%s: open", file);
154 if (doword || (domulti && MB_CUR_MAX != 1))
157 * Line counting is split out because it's a lot faster to get
158 * lines than to get words, since the word count requires some
162 while ((len = read(fd, buf, MAXBSIZE))) {
164 warn("%s: read", file);
169 for (p = buf; len--; ++p)
174 (void)printf(" %7qu", linect);
177 (void)printf(" %7qu", charct);
183 * If all we need is the number of characters and it's a
184 * regular file, just stat the puppy.
186 if (dochar || domulti) {
187 if (fstat(fd, &sb)) {
188 warn("%s: fstat", file);
192 if (S_ISREG(sb.st_mode)) {
193 (void)printf(" %7lld", (long long)sb.st_size);
194 tcharct += sb.st_size;
201 /* Do it the hard way... */
205 while ((nread = read(fd, buf + len, MAXBSIZE - len)) != 0) {
207 warn("%s: read", file);
214 if (!domulti || MB_CUR_MAX == 1) {
216 wch = (unsigned char)*p;
217 } else if ((clen = mbtowc(&wch, p, len)) <= 0) {
218 if (len > MB_CUR_MAX) {
220 wch = (unsigned char)*p;
227 memmove(buf, p, len);
246 (void)printf(" %7qu", linect);
250 (void)printf(" %7qu", wordct);
252 if (dochar || domulti) {
254 (void)printf(" %7qu", charct);
263 (void)fprintf(stderr, "usage: wc [-clmw] [file ...]\n");