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("$FreeBSD$");
49 #include <sys/param.h>
65 uintmax_t tlinect, twordct, tcharct, tlongline;
66 int doline, doword, dochar, domulti, dolongline;
68 static int cnt(const char *);
69 static void usage(void);
72 main(int argc, char *argv[])
74 int ch, errors, total;
76 (void) setlocale(LC_CTYPE, "");
78 while ((ch = getopt(argc, argv, "clmwL")) != -1)
104 /* Wc's flags are on by default. */
105 if (doline + doword + dochar + domulti + dolongline == 0)
106 doline = doword = dochar = 1;
111 if (cnt((char *)NULL) != 0)
120 (void)printf(" %s\n", *argv);
126 (void)printf(" %7ju", tlinect);
128 (void)printf(" %7ju", twordct);
129 if (dochar || domulti)
130 (void)printf(" %7ju", tcharct);
132 (void)printf(" %7ju", tlongline);
133 (void)printf(" total\n");
135 exit(errors == 0 ? 0 : 1);
139 cnt(const char *file)
142 uintmax_t linect, wordct, charct, llct, tmpll;
147 u_char buf[MAXBSIZE];
151 linect = wordct = charct = llct = tmpll = 0;
156 if ((fd = open(file, O_RDONLY, 0)) < 0) {
157 warn("%s: open", file);
160 if (doword || (domulti && MB_CUR_MAX != 1))
163 * Line counting is split out because it's a lot faster to get
164 * lines than to get words, since the word count requires some
168 while ((len = read(fd, buf, MAXBSIZE))) {
170 warn("%s: read", file);
175 for (p = buf; len--; ++p)
185 (void)printf(" %7ju", linect);
188 (void)printf(" %7ju", charct);
191 if (llct > tlongline)
193 (void)printf(" %7ju", tlongline);
199 * If all we need is the number of characters and it's a
200 * regular file, just stat the puppy.
202 if (dochar || domulti) {
203 if (fstat(fd, &sb)) {
204 warn("%s: fstat", file);
208 if (S_ISREG(sb.st_mode)) {
209 (void)printf(" %7lld", (long long)sb.st_size);
210 tcharct += sb.st_size;
217 /* Do it the hard way... */
220 memset(&mbs, 0, sizeof(mbs));
221 while ((len = read(fd, buf, MAXBSIZE)) != 0) {
223 warn("%s: read", file);
229 if (!domulti || MB_CUR_MAX == 1) {
231 wch = (unsigned char)*p;
232 } else if ((clen = mbrtowc(&wch, p, len, &mbs)) ==
239 memset(&mbs, 0, sizeof(mbs));
241 wch = (unsigned char)*p;
242 } else if (clen == (size_t)-2)
265 if (domulti && MB_CUR_MAX > 1)
266 if (mbrtowc(NULL, NULL, 0, &mbs) == (size_t)-1 && !warned)
270 (void)printf(" %7ju", linect);
274 (void)printf(" %7ju", wordct);
276 if (dochar || domulti) {
278 (void)printf(" %7ju", charct);
281 if (llct > tlongline)
283 (void)printf(" %7ju", llct);
292 (void)fprintf(stderr, "usage: wc [-Lclmw] [file ...]\n");