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
29 static int total_lines, total_words, total_chars, max_length;
30 //static int print_lines, print_words, print_chars, print_length;
31 static char print_type = 0;
39 static void print_counts(int lines, int words, int chars, int length,
42 if (print_type & print_lines) {
43 printf("%7d ", lines);
45 if (print_type & print_words) {
46 printf("%7d ", words);
48 if (print_type & print_chars) {
49 printf("%7d ", chars);
51 if (print_type & print_length) {
52 printf("%7d ", length);
60 static void wc_file(FILE * file, const char *name)
62 int lines, words, chars, length;
63 int in_word = 0, linepos = 0;
66 lines = words = chars = length = 0;
67 while ((c = getc(file)) != EOF) {
79 linepos += 8 - (linepos % 8);
100 print_counts(lines, words, chars, length, name);
101 total_lines += lines;
102 total_words += words;
103 total_chars += chars;
104 if (length > max_length)
110 int wc_main(int argc, char **argv)
113 unsigned int num_files_counted = 0;
114 int opt, status = EXIT_SUCCESS;
116 total_lines = total_words = total_chars = max_length = 0;
118 while ((opt = getopt(argc, argv, "clLw")) > 0) {
121 print_type |= print_chars;
124 print_type |= print_lines;
127 print_type |= print_length;
130 print_type |= print_words;
137 if (print_type == 0) {
138 print_type = print_lines | print_words | print_chars;
141 if (argv[optind] == NULL || strcmp(argv[optind], "-") == 0) {
145 while (optind < argc) {
146 file = wfopen(argv[optind], "r");
148 wc_file(file, argv[optind]);
150 status = EXIT_FAILURE;
156 if (num_files_counted > 1)
157 print_counts(total_lines, total_words, total_chars,
158 max_length, "total");