int
main(int argc, char *argv[])
{
int ch, errors, total;
setlocale(LC_CTYPE, "");
while ((ch = getopt(argc, argv, "clmwL")) != -1) {
switch (ch) {
case 'l':
doline = 1;
break;
case 'w':
doword = 1;
break;
case 'c':
dochar = 1;
domulti = 0;
break;
case 'L':
dolongline = 1;
break;
case 'm':
domulti = 1;
dochar = 0;
break;
case '?':
default:
usage();
}
}
argv += optind;
argc -= optind;
signal(SIGINFO, siginfo_handler);
/* Wc's flags are on by default. */
if (doline + doword + dochar + domulti + dolongline == 0)
doline = doword = dochar = 1;
errors = 0;
total = 0;
if (*argv == NULL) {
if (cnt(NULL) != 0)
++errors;
} else {
do {
if (cnt(*argv) != 0)
++errors;
++total;
} while(*++argv);
}
if (total > 1)
show_cnt("total", tlinect, twordct, tcharct, tlongline);
exit(errors == 0 ? 0 : 1);
}
int
main(int argc, char *argv[])
{
int ch, errors, total;
(void) setlocale(LC_CTYPE, "");
argc = xo_parse_args(argc, argv);
if (argc < 0)
return (argc);
while ((ch = getopt(argc, argv, "clmwL")) != -1)
switch((char)ch) {
case 'l':
doline = 1;
break;
case 'w':
doword = 1;
break;
case 'c':
dochar = 1;
domulti = 0;
break;
case 'L':
dolongline = 1;
break;
case 'm':
domulti = 1;
dochar = 0;
break;
case '?':
default:
usage();
}
argv += optind;
argc -= optind;
(void)signal(SIGINFO, siginfo_handler);
/* Wc's flags are on by default. */
if (doline + doword + dochar + domulti + dolongline == 0)
doline = doword = dochar = 1;
stderr_handle = xo_create_to_file(stderr, XO_STYLE_TEXT, 0);
xo_open_container("wc");
xo_open_list("file");
errors = 0;
total = 0;
if (!*argv) {
xo_open_instance("file");
if (cnt((char *)NULL) != 0)
++errors;
xo_close_instance("file");
} else {
do {
xo_open_instance("file");
if (cnt(*argv) != 0)
++errors;
xo_close_instance("file");
++total;
} while(*++argv);
}
xo_close_list("file");
if (total > 1) {
xo_open_container("total");
show_cnt("total", tlinect, twordct, tcharct, tlongline);
xo_close_container("total");
}
xo_close_container("wc");
xo_finish();
exit(errors == 0 ? 0 : 1);
}
static int
cnt(const char *file)
{
struct stat sb;
uintmax_t linect, wordct, charct, llct, tmpll;
int fd, len, warned;
size_t clen;
short gotsp;
u_char *p;
u_char buf[MAXBSIZE];
wchar_t wch;
mbstate_t mbs;
linect = wordct = charct = llct = tmpll = 0;
if (file == NULL)
fd = STDIN_FILENO;
else {
if ((fd = open(file, O_RDONLY, 0)) < 0) {
xo_warn("%s: open", file);
return (1);
}
if (doword || (domulti && MB_CUR_MAX != 1))
goto word;
/*
* Line counting is split out because it's a lot faster to get
* lines than to get words, since the word count requires some
* logic.
*/
if (doline) {
while ((len = read(fd, buf, MAXBSIZE))) {
if (len == -1) {
xo_warn("%s: read", file);
(void)close(fd);
return (1);
}
if (siginfo) {
show_cnt(file, linect, wordct, charct,
llct);
}
charct += len;
for (p = buf; len--; ++p)
if (*p == '\n') {
if (tmpll > llct)
llct = tmpll;
tmpll = 0;
++linect;
} else
tmpll++;
}
reset_siginfo();
tlinect += linect;
if (dochar)
tcharct += charct;
if (dolongline) {
if (llct > tlongline)
tlongline = llct;
}
show_cnt(file, linect, wordct, charct, llct);
(void)close(fd);
return (0);
}
/*
* If all we need is the number of characters and it's a
* regular file, just stat the puppy.
*/
if (dochar || domulti) {
if (fstat(fd, &sb)) {
xo_warn("%s: fstat", file);
(void)close(fd);
return (1);
}
if (S_ISREG(sb.st_mode)) {
reset_siginfo();
charct = sb.st_size;
show_cnt(file, linect, wordct, charct, llct);
tcharct += charct;
(void)close(fd);
return (0);
}
}
}
/* Do it the hard way... */
word: gotsp = 1;
warned = 0;
memset(&mbs, 0, sizeof(mbs));
while ((len = read(fd, buf, MAXBSIZE)) != 0) {
if (len == -1) {
xo_warn("%s: read", file != NULL ? file : "stdin");
(void)close(fd);
return (1);
}
p = buf;
while (len > 0) {
if (siginfo)
show_cnt(file, linect, wordct, charct, llct);
if (!domulti || MB_CUR_MAX == 1) {
clen = 1;
wch = (unsigned char)*p;
} else if ((clen = mbrtowc(&wch, p, len, &mbs)) ==
(size_t)-1) {
if (!warned) {
errno = EILSEQ;
xo_warn("%s",
file != NULL ? file : "stdin");
warned = 1;
}
memset(&mbs, 0, sizeof(mbs));
clen = 1;
wch = (unsigned char)*p;
} else if (clen == (size_t)-2)
break;
else if (clen == 0)
clen = 1;
charct++;
if (wch != L'\n')
tmpll++;
len -= clen;
p += clen;
if (wch == L'\n') {
if (tmpll > llct)
llct = tmpll;
tmpll = 0;
++linect;
}
if (iswspace(wch))
gotsp = 1;
else if (gotsp) {
gotsp = 0;
++wordct;
}
}
}
reset_siginfo();
if (domulti && MB_CUR_MAX > 1)
if (mbrtowc(NULL, NULL, 0, &mbs) == (size_t)-1 && !warned)
xo_warn("%s", file != NULL ? file : "stdin");
if (doline)
tlinect += linect;
if (doword)
twordct += wordct;
if (dochar || domulti)
tcharct += charct;
if (dolongline) {
if (llct > tlongline)
tlongline = llct;
}
show_cnt(file, linect, wordct, charct, llct);
(void)close(fd);
return (0);
}