size_t *num_found,
enum TDB_ERROR (*check)(TDB_DATA,
TDB_DATA, void *),
- void *private_data);
+ void *data);
static enum TDB_ERROR check_hash_chain(struct tdb_context *tdb,
tdb_off_t off,
enum TDB_ERROR (*check)(TDB_DATA,
TDB_DATA,
void *),
- void *private_data)
+ void *data)
{
struct tdb_used_record rec;
enum TDB_ERROR ecode;
off += sizeof(rec);
ecode = check_hash_tree(tdb, off, 0, hash, 64,
- used, num_used, num_found, check, private_data);
+ used, num_used, num_found, check, data);
if (ecode != TDB_SUCCESS) {
return ecode;
}
off = tdb_read_off(tdb, off + offsetof(struct tdb_chain, next));
if (TDB_OFF_IS_ERR(off)) {
- return off;
+ return TDB_OFF_TO_ERR(off);
}
if (off == 0)
return TDB_SUCCESS;
(*num_found)++;
return check_hash_chain(tdb, off, hash, used, num_used, num_found,
- check, private_data);
+ check, data);
}
static enum TDB_ERROR check_hash_record(struct tdb_context *tdb,
enum TDB_ERROR (*check)(TDB_DATA,
TDB_DATA,
void *),
- void *private_data)
+ void *data)
{
struct tdb_used_record rec;
enum TDB_ERROR ecode;
if (hprefix_bits >= 64)
return check_hash_chain(tdb, off, hprefix, used, num_used,
- num_found, check, private_data);
+ num_found, check, data);
ecode = tdb_read_convert(tdb, off, &rec, sizeof(rec));
if (ecode != TDB_SUCCESS) {
return check_hash_tree(tdb, off,
TDB_SUBLEVEL_HASH_BITS-TDB_HASH_GROUP_BITS,
hprefix, hprefix_bits,
- used, num_used, num_found, check, private_data);
+ used, num_used, num_found, check, data);
}
static int off_cmp(const tdb_off_t *a, const tdb_off_t *b)
size_t *num_found,
enum TDB_ERROR (*check)(TDB_DATA,
TDB_DATA, void *),
- void *private_data)
+ void *data)
{
unsigned int g, b;
const tdb_off_t *hash;
+ group_bits
+ TDB_HASH_GROUP_BITS,
used, num_used, num_found,
- check, private_data);
+ check, data);
if (ecode != TDB_SUCCESS) {
goto fail;
}
check:
if (check) {
- TDB_DATA key, data;
- key.dsize = rec_key_length(&rec);
- data.dsize = rec_data_length(&rec);
- key.dptr = (void *)tdb_access_read(tdb,
- off + sizeof(rec),
- key.dsize + data.dsize,
- false);
- if (TDB_PTR_IS_ERR(key.dptr)) {
- ecode = TDB_PTR_ERR(key.dptr);
+ TDB_DATA k, d;
+ const unsigned char *kptr;
+
+ kptr = tdb_access_read(tdb,
+ off + sizeof(rec),
+ rec_key_length(&rec)
+ + rec_data_length(&rec),
+ false);
+ if (TDB_PTR_IS_ERR(kptr)) {
+ ecode = TDB_PTR_ERR(kptr);
goto fail;
}
- data.dptr = key.dptr + key.dsize;
- ecode = check(key, data, private_data);
+
+ k = tdb_mkdata(kptr, rec_key_length(&rec));
+ d = tdb_mkdata(kptr + k.dsize,
+ rec_data_length(&rec));
+ ecode = check(k, d, data);
+ tdb_access_release(tdb, kptr);
if (ecode != TDB_SUCCESS) {
goto fail;
}
- tdb_access_release(tdb, key.dptr);
}
}
}
static enum TDB_ERROR check_hash(struct tdb_context *tdb,
tdb_off_t used[],
size_t num_used, size_t num_ftables,
- int (*check)(TDB_DATA, TDB_DATA, void *),
- void *private_data)
+ enum TDB_ERROR (*check)(TDB_DATA, TDB_DATA, void *),
+ void *data)
{
/* Free tables also show up as used. */
size_t num_found = num_ftables;
ecode = check_hash_tree(tdb, offsetof(struct tdb_header, hashtable),
TDB_TOPLEVEL_HASH_BITS-TDB_HASH_GROUP_BITS,
0, 0, used, num_used, &num_found,
- check, private_data);
+ check, data);
if (ecode == TDB_SUCCESS) {
if (num_found != num_used) {
ecode = tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
}
- ecode = tdb->methods->oob(tdb, off
+ ecode = tdb->tdb2.io->oob(tdb, off
+ frec_len(frec)
+ sizeof(struct tdb_used_record),
false);
(long long)off,
bucket, size_to_bucket(frec_len(frec)));
}
- if (prev != frec_prev(frec)) {
+ if (prev && prev != frec_prev(frec)) {
return tdb_logerr(tdb, TDB_ERR_CORRUPT, TDB_LOG_ERROR,
"tdb_check: offset %llu bad prev"
" (%llu vs %llu)",
}
for (i = 0; i < TDB_FREE_BUCKETS; i++) {
- tdb_off_t off, prev = 0, *p;
+ tdb_off_t off, prev = 0, *p, first = 0;
struct tdb_free_record f;
h = bucket_off(ftable_off, i);
for (off = tdb_read_off(tdb, h); off; off = f.next) {
if (TDB_OFF_IS_ERR(off)) {
- return off;
+ return TDB_OFF_TO_ERR(off);
+ }
+ if (!first) {
+ off &= TDB_OFF_MASK;
+ first = off;
}
ecode = tdb_read_convert(tdb, off, &f, sizeof(f));
if (ecode != TDB_SUCCESS) {
(*num_found)++;
prev = off;
}
+
+ if (first) {
+ /* Now we can check first back pointer. */
+ ecode = tdb_read_convert(tdb, first, &f, sizeof(f));
+ if (ecode != TDB_SUCCESS) {
+ return ecode;
+ }
+ ecode = check_free(tdb, first, &f, prev, ftable_num, i);
+ if (ecode != TDB_SUCCESS) {
+ return ecode;
+ }
+ }
}
return TDB_SUCCESS;
}
for (len = 0; off + len < tdb->file->map_size; len++) {
char c;
- ecode = tdb->methods->tread(tdb, off, &c, 1);
+ ecode = tdb->tdb2.io->tread(tdb, off, &c, 1);
if (ecode != TDB_SUCCESS) {
- return ecode;
+ return TDB_ERR_TO_OFF(ecode);
}
if (c != 0 && c != 0x43)
break;
} else {
len = dead_space(tdb, off);
if (TDB_OFF_IS_ERR(len)) {
- return len;
+ return TDB_OFF_TO_ERR(len);
}
if (len < sizeof(rec.r)) {
return tdb_logerr(tdb, TDB_ERR_CORRUPT,
}
enum TDB_ERROR tdb_check_(struct tdb_context *tdb,
- enum TDB_ERROR (*check)(TDB_DATA key, TDB_DATA data,
- void *private),
- void *private)
+ enum TDB_ERROR (*check)(TDB_DATA, TDB_DATA, void *),
+ void *data)
{
tdb_off_t *fr = NULL, *used = NULL, ft, recovery;
size_t num_free = 0, num_used = 0, num_found = 0, num_ftables = 0;
uint64_t features;
enum TDB_ERROR ecode;
+ if (tdb->flags & TDB_CANT_CHECK) {
+ return tdb_logerr(tdb, TDB_SUCCESS, TDB_LOG_WARNING,
+ "tdb_check: database has unknown features,"
+ " cannot check.");
+ }
+
+ if (tdb->flags & TDB_VERSION1) {
+ if (tdb1_check(tdb, check, data) == -1)
+ return tdb->last_error;
+ return TDB_SUCCESS;
+ }
+
ecode = tdb_allrecord_lock(tdb, F_RDLCK, TDB_LOCK_WAIT, false);
if (ecode != TDB_SUCCESS) {
- return ecode;
+ return tdb->last_error = ecode;
}
ecode = tdb_lock_expand(tdb, F_RDLCK);
if (ecode != TDB_SUCCESS) {
tdb_allrecord_unlock(tdb, F_RDLCK);
- return ecode;
+ return tdb->last_error = ecode;
}
ecode = check_header(tdb, &recovery, &features);
for (ft = first_ftable(tdb); ft; ft = next_ftable(tdb, ft)) {
if (TDB_OFF_IS_ERR(ft)) {
- ecode = ft;
+ ecode = TDB_OFF_TO_ERR(ft);
goto out;
}
ecode = check_free_table(tdb, ft, num_ftables, fr, num_free,
}
/* FIXME: Check key uniqueness? */
- ecode = check_hash(tdb, used, num_used, num_ftables, check, private);
+ ecode = check_hash(tdb, used, num_used, num_ftables, check, data);
if (ecode != TDB_SUCCESS)
goto out;
tdb_unlock_expand(tdb, F_RDLCK);
free(fr);
free(used);
- return ecode;
+ return tdb->last_error = ecode;
}
projects / ccan / blobdiff