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-rw-r--r--release/src/router/busybox/du.c257
1 files changed, 0 insertions, 257 deletions
diff --git a/release/src/router/busybox/du.c b/release/src/router/busybox/du.c
deleted file mode 100644
index f0dbfba1..00000000
--- a/release/src/router/busybox/du.c
+++ /dev/null
@@ -1,257 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * Mini du implementation for busybox
- *
- *
- * Copyright (C) 1999,2000,2001 by Lineo, inc.
- * Written by John Beppu <beppu@lineo.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 <sys/types.h>
-#include <fcntl.h>
-#include <dirent.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <getopt.h>
-#include <string.h>
-#include <errno.h>
-#include "busybox.h"
-
-
-#ifdef BB_FEATURE_HUMAN_READABLE
-static unsigned long disp_hr = KILOBYTE;
-#endif
-
-typedef void (Display) (long, char *);
-
-static int du_depth = 0;
-static int count_hardlinks = 0;
-
-static Display *print;
-
-static void print_normal(long size, char *filename)
-{
-#ifdef BB_FEATURE_HUMAN_READABLE
- printf("%s\t%s\n", make_human_readable_str(size<<10, 1, disp_hr), filename);
-#else
- printf("%ld\t%s\n", size, filename);
-#endif
-}
-
-static void print_summary(long size, char *filename)
-{
- if (du_depth == 1) {
- print_normal(size, filename);
- }
-}
-
-#define HASH_SIZE 311 /* Should be prime */
-#define hash_inode(i) ((i) % HASH_SIZE)
-
-typedef struct ino_dev_hash_bucket_struct {
- struct ino_dev_hash_bucket_struct *next;
- ino_t ino;
- dev_t dev;
- char name[1];
-} ino_dev_hashtable_bucket_t;
-
-static ino_dev_hashtable_bucket_t *ino_dev_hashtable[HASH_SIZE];
-
-/*
- * Return 1 if statbuf->st_ino && statbuf->st_dev are recorded in
- * `ino_dev_hashtable', else return 0
- *
- * If NAME is a non-NULL pointer to a character pointer, and there is
- * a match, then set *NAME to the value of the name slot in that
- * bucket.
- */
-static int is_in_ino_dev_hashtable(const struct stat *statbuf, char **name)
-{
- ino_dev_hashtable_bucket_t *bucket;
-
- bucket = ino_dev_hashtable[hash_inode(statbuf->st_ino)];
- while (bucket != NULL) {
- if ((bucket->ino == statbuf->st_ino) &&
- (bucket->dev == statbuf->st_dev))
- {
- if (name) *name = bucket->name;
- return 1;
- }
- bucket = bucket->next;
- }
- return 0;
-}
-
-/* Add statbuf to statbuf hash table */
-static void add_to_ino_dev_hashtable(const struct stat *statbuf, const char *name)
-{
- int i;
- size_t s;
- ino_dev_hashtable_bucket_t *bucket;
-
- i = hash_inode(statbuf->st_ino);
- s = name ? strlen(name) : 0;
- bucket = xmalloc(sizeof(ino_dev_hashtable_bucket_t) + s);
- bucket->ino = statbuf->st_ino;
- bucket->dev = statbuf->st_dev;
- if (name)
- strcpy(bucket->name, name);
- else
- bucket->name[0] = '\0';
- bucket->next = ino_dev_hashtable[i];
- ino_dev_hashtable[i] = bucket;
-}
-
-/* Clear statbuf hash table */
-static void reset_ino_dev_hashtable(void)
-{
- int i;
- ino_dev_hashtable_bucket_t *bucket;
-
- for (i = 0; i < HASH_SIZE; i++) {
- while (ino_dev_hashtable[i] != NULL) {
- bucket = ino_dev_hashtable[i]->next;
- free(ino_dev_hashtable[i]);
- ino_dev_hashtable[i] = bucket;
- }
- }
-}
-
-/* tiny recursive du */
-static long du(char *filename)
-{
- struct stat statbuf;
- long sum;
-
- if ((lstat(filename, &statbuf)) != 0) {
- perror_msg("%s", filename);
- return 0;
- }
-
- du_depth++;
- sum = (statbuf.st_blocks >> 1);
-
- /* Don't add in stuff pointed to by symbolic links */
- if (S_ISLNK(statbuf.st_mode)) {
- sum = 0L;
- if (du_depth == 1) {
- }
- }
- if (S_ISDIR(statbuf.st_mode)) {
- DIR *dir;
- struct dirent *entry;
- char *newfile;
-
- dir = opendir(filename);
- if (!dir) {
- du_depth--;
- return 0;
- }
-
- newfile = last_char_is(filename, '/');
- if (newfile)
- *newfile = '\0';
-
- while ((entry = readdir(dir))) {
- char *name = entry->d_name;
-
- if ((strcmp(name, "..") == 0)
- || (strcmp(name, ".") == 0)) {
- continue;
- }
- newfile = concat_path_file(filename, name);
- sum += du(newfile);
- free(newfile);
- }
- closedir(dir);
- print(sum, filename);
- }
- else if (statbuf.st_nlink > 1 && !count_hardlinks) {
- /* Add files with hard links only once */
- if (is_in_ino_dev_hashtable(&statbuf, NULL)) {
- sum = 0L;
- if (du_depth == 1)
- print(sum, filename);
- }
- else {
- add_to_ino_dev_hashtable(&statbuf, NULL);
- }
- }
- du_depth--;
- return sum;
-}
-
-int du_main(int argc, char **argv)
-{
- int status = EXIT_SUCCESS;
- int i;
- int c;
-
- /* default behaviour */
- print = print_normal;
-
- /* parse argv[] */
- while ((c = getopt(argc, argv, "sl"
-#ifdef BB_FEATURE_HUMAN_READABLE
-"hm"
-#endif
-"k")) != EOF) {
- switch (c) {
- case 's':
- print = print_summary;
- break;
- case 'l':
- count_hardlinks = 1;
- break;
-#ifdef BB_FEATURE_HUMAN_READABLE
- case 'h': disp_hr = 0; break;
- case 'm': disp_hr = MEGABYTE; break;
-#endif
- case 'k': break;
- default:
- show_usage();
- }
- }
-
- /* go through remaining args (if any) */
- if (optind >= argc) {
- if (du(".") == 0)
- status = EXIT_FAILURE;
- } else {
- long sum;
-
- for (i=optind; i < argc; i++) {
- sum = du(argv[i]);
- if(is_directory(argv[i], FALSE, NULL)==FALSE) {
- print_normal(sum, argv[i]);
- }
- reset_ino_dev_hashtable();
- }
- }
-
- return status;
-}
-
-/* $Id: du.c,v 1.1.1.4 2003/10/14 08:09:38 sparq Exp $ */
-/*
-Local Variables:
-c-file-style: "linux"
-c-basic-offset: 4
-tab-width: 4
-End:
-*/