2 * Mini du implementation for busybox
5 * Copyright (C) 1999 by Lineo, inc.
6 * Written by John Beppu <beppu@lineo.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #include <sys/types.h>
35 static const char du_usage[] =
36 "Usage: du [OPTION]... [FILE]...\n";
38 typedef void (Display)(size_t, char *);
41 print(size_t size, char *filename)
43 fprintf(stdout, "%-7d %s\n", (size >> 1), filename);
46 /* tiny recursive du */
53 if ((lstat(filename, &statbuf)) != 0) {
54 fprintf(stdout, "du: %s: %s\n", filename, strerror(errno));
57 sum = statbuf.st_blocks;
59 if (S_ISDIR(statbuf.st_mode)) {
63 dir = opendir(filename);
64 if (!dir) { return 0; }
65 while ((entry = readdir(dir))) {
67 char *name = entry->d_name;
69 if ( (strcmp(name, "..") == 0)
70 || (strcmp(name, ".") == 0))
73 sprintf(newfile, "%s/%s", filename, name);
83 du_main(int argc, char **argv)
89 for (i = 1; i < argc; i++) {
90 if (argv[i][0] == '-') {
99 fprintf(stderr, "du: invalid option -- %c\n", opt);
107 /* go through remaining args (if any) */
112 for ( ; i < argc; i++) {
113 sum = du(argv[i]) >> 1;
114 if (sum) printf("%-7d %s\n", sum, argv[i]);
121 /* $Id: du.c,v 1.5 1999/12/10 15:23:47 beppu Exp $ */