1 /* vi: set sw=4 ts=4: */
3 * Mini wc implementation for busybox
5 * Copyright (C) 2000 Edward Betts <edward@debian.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
36 static unsigned int total_lines = 0;
37 static unsigned int total_words = 0;
38 static unsigned int total_chars = 0;
39 static unsigned int max_length = 0;
40 static char print_type = 0;
42 static void print_counts(const unsigned int lines, const unsigned int words,
43 const unsigned int chars, const unsigned int length, const char *name)
45 if (print_type & print_lines) {
46 printf("%7d ", lines);
48 if (print_type & print_words) {
49 printf("%7d ", words);
51 if (print_type & print_chars) {
52 printf("%7d ", chars);
54 if (print_type & print_length) {
55 printf("%7d ", length);
63 static void wc_file(FILE * file, const char *name)
65 unsigned int lines = 0;
66 unsigned int words = 0;
67 unsigned int chars = 0;
68 unsigned int length = 0;
69 unsigned int linepos = 0;
73 while ((c = getc(file)) != EOF) {
85 linepos += 8 - (linepos % 8);
102 if (linepos > length) {
108 print_counts(lines, words, chars, length, name);
109 total_lines += lines;
110 total_words += words;
111 total_chars += chars;
112 if (length > max_length) {
117 int wc_main(int argc, char **argv)
121 while ((opt = getopt(argc, argv, "clLw")) > 0) {
124 print_type |= print_chars;
127 print_type |= print_lines;
130 print_type |= print_length;
133 print_type |= print_words;
140 if (print_type == 0) {
141 print_type = print_lines | print_words | print_chars;
144 if (argv[optind] == NULL || strcmp(argv[optind], "-") == 0) {
147 unsigned short num_files_counted = 0;
148 while (optind < argc) {
149 if (print_type == print_chars) {
151 stat(argv[optind], &statbuf);
152 print_counts(0, 0, statbuf.st_size, 0, argv[optind]);
153 total_chars += statbuf.st_size;
156 file = xfopen(argv[optind], "r");
157 wc_file(file, argv[optind]);
163 if (num_files_counted > 1) {
164 print_counts(total_lines, total_words, total_chars, max_length, "total");
168 return(EXIT_SUCCESS);