| /* |
| * Mini du implementation for busybox |
| * |
| * |
| * Copyright (C) 1999 by Lineo, inc. |
| * Written by John Beppu <beppu@line.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #include "internal.h" |
| #include <sys/types.h> |
| #include <fcntl.h> |
| #include <dirent.h> |
| #include <stdio.h> |
| /* |
| #include <unistd.h> |
| #include <sys/stat.h> |
| */ |
| |
| |
| typedef void (Display)(size_t, char *); |
| |
| static void |
| print(size_t size, char *filename) |
| { |
| fprintf(stdout, "%-7d %s\n", (size >> 1), filename); |
| } |
| |
| /* tiny recursive du */ |
| static size_t |
| size(char *filename) |
| { |
| struct stat statbuf; |
| size_t sum; |
| |
| if ((lstat(filename, &statbuf)) != 0) { return 0; } |
| sum = statbuf.st_blocks; |
| |
| if (S_ISDIR(statbuf.st_mode)) { |
| DIR *dir; |
| struct dirent *entry; |
| |
| dir = opendir(filename); |
| if (!dir) { return 0; } |
| while ((entry = readdir(dir))) { |
| char newfile[512]; |
| char *name = entry->d_name; |
| |
| if ( (strcmp(name, "..") == 0) |
| || (strcmp(name, ".") == 0)) |
| { continue; } |
| |
| sprintf(newfile, "%s/%s", filename, name); |
| sum += size(newfile); |
| } |
| closedir(dir); |
| print(sum, filename); |
| } |
| return sum; |
| } |
| |
| int |
| du_main(int argc, char **argv) |
| { |
| /* I'll fill main() in shortly */ |
| size("."); |
| exit(0); |
| } |
| |