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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2026 Richard QIn
*/
#include "ulib/stdio.h"
#include "ulib/stdlib.h"
#include "ulib/string.h"
#include "user/user.h"
#include "common/fcntl.h"
char buf[512];
void wc(int fd, char *name)
{
int i, n;
int l, w, c, inword;
l = w = c = 0;
inword = 0;
while ((n = read(fd, buf, sizeof(buf))) > 0)
{
for (i = 0; i < n; i++)
{
c++;
if (buf[i] == '\n')
l++;
if (strchr(" \r\t\n\v", buf[i]))
inword = 0;
else if (!inword)
{
w++;
inword = 1;
}
}
}
printf("%d %d %d %s\n", l, w, c, name);
}
int main(int argc, char *argv[])
{
int fd, i;
if (argc <= 1)
{
wc(0, "");
exit(0);
}
for (i = 1; i < argc; i++)
{
if ((fd = open(argv[i], O_RDONLY)) < 0)
{
printf("wc: cannot open %s\n", argv[i]);
exit(1);
}
wc(fd, argv[i]);
close(fd);
}
exit(0);
}
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