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/*
* UNG's Not GNU
*
* Copyright (c) 2011, Jakob Kaivo <jakob@kaivo.net>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include <stdio.h>
#include <ctype.h>
#include <getopt.h>
const char *wc_desc = "word, line, and byte or character count";
const char *wc_inv = "wc [-c|-m] [-lw] [file...]";
#define BYTES 1 << 0
#define CHARS 1 << 1
#define LINES 1 << 2
#define WORDS 1 << 3
static unsigned long total_n = 0;
static unsigned long total_w = 0;
static unsigned long total_c = 0;
int flagprint (unsigned long n, unsigned long w, unsigned long c, char *f,
int flags)
{
if (flags == 0) flags = LINES | WORDS | CHARS;
if (flags & LINES)
printf ("%lu%s", n, flags ^ LINES ? " " : "");
if (flags & WORDS)
printf ("%lu%s", w, flags ^ (LINES | WORDS) ? " " : "");
if (flags & CHARS || flags & BYTES)
printf ("%lu", c);
// FIXME: What an ass-pain
if (f != NULL)
printf ("%s%s", flags & CHARS || flags & BYTES ? " " : "", f);
printf ("\n");
}
int wc (FILE *f, int flags, char *name)
{
unsigned long newlines = 0;
unsigned long words = 0;
unsigned long charbytes = 0;
int wasword = 0;
int n, i;
char buf[BUFSIZ];
while (!feof(f)) {
n = fread (buf, sizeof(char), BUFSIZ, f);
if (flags & CHARS) {
charbytes += n; // FIXME: wrong, convert to wc_type or mb_char
} else {
charbytes += n;
}
for (i = 0; i < n; i++) {
if (buf[i] == '\n') {
newlines++;
if (wasword == 0) {
wasword = 1;
words++;
}
} else if (wasword == 0 && isspace(buf[i])) {
wasword = 1;
words++;
} else {
wasword = 0;
}
}
}
total_n += newlines;
total_w += words;
total_c += charbytes;
flagprint (newlines, words, charbytes, name, flags);
}
int
main(int argc, char **argv)
{
int flags = 0;
int total = 0;
int c;
while ((c = getopt (argc, argv, ":cmlw")) != -1) {
switch (c) {
case 'c':
if (flags & CHARS) { return 1; }
flags |= BYTES;
break;
case 'm':
if (flags & BYTES) { return 1; }
flags |= CHARS;
break;
case 'l':
flags |= LINES;
break;
case 'w':
flags |= WORDS;
break;
default:
return 1;
}
}
if (argc - optind > 1)
total = 1;
if (optind >= argc) {
wc (stdin, flags, NULL);
} else while (optind < argc) {
FILE *in = fopen (argv[optind], "r");
wc (in, flags, argv[optind]);
fclose (in);
optind++;
}
if (total) {
flagprint (total_n, total_w, total_c, "total", flags);
}
return 0;
}
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