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authorMatt Kraai2001-12-17 15:26:36 +0000
committerMatt Kraai2001-12-17 15:26:36 +0000
commitace02dc9cd3ca0c95db5b5ebe87b9d6cd6ca1733 (patch)
tree1dec04901febc0fd63ac5b92bc2cca4333689477 /coreutils
parent46ea0e4696456061ad7ce799658f737c24f781a6 (diff)
downloadbusybox-ace02dc9cd3ca0c95db5b5ebe87b9d6cd6ca1733.zip
busybox-ace02dc9cd3ca0c95db5b5ebe87b9d6cd6ca1733.tar.gz
Make cp and mv optionally preserve hard links.
Diffstat (limited to 'coreutils')
-rw-r--r--coreutils/du.c74
1 files changed, 1 insertions, 73 deletions
diff --git a/coreutils/du.c b/coreutils/du.c
index c378837..e34a7f4 100644
--- a/coreutils/du.c
+++ b/coreutils/du.c
@@ -59,78 +59,6 @@ static void print_summary(long size, char *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)
{
@@ -246,7 +174,7 @@ int du_main(int argc, char **argv)
return status;
}
-/* $Id: du.c,v 1.51 2001/10/24 04:59:27 andersen Exp $ */
+/* $Id: du.c,v 1.52 2001/12/17 15:26:25 kraai Exp $ */
/*
Local Variables:
c-file-style: "linux"