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add an index entry to an index root 

(Logical change 1.431)
edge.strict_endians
flatcap.org!ntfs 2004-06-21 19:00:00 +00:00
parent fe45c2b834
commit 546750a4f5
1 changed files with 99 additions and 9 deletions
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108
ntfsprogs/ntfsrm.c
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@ -1172,6 +1172,36 @@ done:
return res;
}
/**
* ntfs_mft_free_space
*/
static int ntfs_mft_free_space (struct ntfs_dir *dir)
{
u8 *buffer = NULL;
ntfs_volume *vol;
int res = 0;
MFT_RECORD *mft;
if (!dir)
return -1;
buffer = malloc (512);
if (!buffer)
return -1;
vol = dir->vol;
if (ntfs_attr_pread (vol->mft_na, dir->mft_num << vol->mft_record_size_bits, 512, buffer) != 512)
goto done;
mft = (MFT_RECORD*) buffer;
res = mft->bytes_allocated - mft->bytes_in_use;
done:
free (buffer);
return res;
}
/**
* ntfs_dt_add_alloc
@ -1194,7 +1224,7 @@ static int ntfs_dt_add_alloc (struct ntfs_dt *parent, int index_num, INDEX_ENTRY
space = parent->data_len - block->index.index_length - 24;
printf ("need %d, have %d\n", need, space);
if (ie->length > space) {
if (need > space) {
printf ("no room");
return 0;
}
@ -1234,8 +1264,68 @@ static int ntfs_dt_add_alloc (struct ntfs_dt *parent, int index_num, INDEX_ENTRY
/**
* ntfs_dt_add_root
*/
static int ntfs_dt_add_root (struct ntfs_dt *parent, struct ntfs_dt *child)
static int ntfs_dt_add_root (struct ntfs_dt *parent, int index_num, INDEX_ENTRY *ie)
{
INDEX_ROOT *root;
int need;
int space;
u8 *attr;
u8 *src;
u8 *dst;
int len;
if (!parent || !ie)
return 0;
root = (INDEX_ROOT*) parent->data;
printf ("");
utils_dump_mem (parent->data, 0, parent->data_len, 1);
printf ("\n");
need = ie->length;
space = ntfs_mft_free_space (parent->dir);
printf ("need %d, have %d\n", need, space);
if (need > space) {
printf ("no room");
return 0;
}
attr = malloc (parent->data_len + need);
src = parent->data;
dst = attr;
len = root->index.entries_offset + 16;
memcpy (dst, src, len);
dst += len;
src = (u8*) ie;
len = ie->length;
memcpy (dst, src, len);
dst += len;
src = (u8*) parent->children[index_num];
len = parent->data + parent->data_len - src;
memcpy (dst, src, len);
free (parent->data);
parent->data = attr;
parent->data_len += need;
root = (INDEX_ROOT*) parent->data;
root->index.index_length = parent->data_len - 16;
root->index.allocated_size = parent->data_len - 16;
printf ("");
utils_dump_mem (parent->data, 0, parent->data_len, 1);
printf ("\n");
ntfs_mft_resize_resident (parent->dir->inode, AT_INDEX_ROOT, I30, 4, parent->data, parent->data_len);
return 0;
}
@ -1259,12 +1349,12 @@ static int ntfs_dt_add (struct ntfs_dt *parent, INDEX_ENTRY *ie)
//printf ("dt = %p, index = %d\n", dt, index_num);
//ntfs_ie_dump (dt->children[index_num]);
utils_dump_mem ((u8*)dt->children[index_num], 0, dt->children[index_num]->length, 1);
printf ("\n");
//utils_dump_mem ((u8*)dt->children[index_num], 0, dt->children[index_num]->length, 1);
//printf ("\n");
ntfs_dt_add_alloc (dt, index_num, ie);
if (0) ntfs_dt_add_alloc (dt, index_num, ie);
if (0) ntfs_dt_add_root (dt->dir->index, 0, ie);
if (0) ntfs_dt_add_root (parent, NULL);
return 0;
}
@ -1944,7 +2034,7 @@ static int ntfs_ie_test (void)
int namelen = 0;
ntfschar *name = NULL;
printf ("\n\n\n\n\n\n----------------------------------------------------------------------------------\n\n");
printf ("\n\n\n\n\n\n");
if (1) {
ie1 = ntfs_ie_create();
//ntfs_ie_dump (ie1);
@ -2156,8 +2246,8 @@ static int ntfsadd (ntfs_volume *vol, char *name)
if (!ie)
goto done;
utils_dump_mem ((u8*)ie, 0, ie->length, 1);
printf ("\n");
//utils_dump_mem ((u8*)ie, 0, ie->length, 1);
//printf ("\n");
//printf ("ie = %lld\n", MREF (ie->indexed_file));
//ntfs_dt_del_child (finddir->index, uname, len);