#include <stdlib.h>
#include <string.h>
#include <apr_pools.h>
#include <apr_md5.h>
#include <apr_sha1.h>
#define SVN_WANT_BDB
#include "svn_private_config.h"
#include "../id.h"
#include "dbt.h"
DBT *
svn_fs_base__clear_dbt(DBT *dbt)
{
memset(dbt, 0, sizeof(*dbt));
return dbt;
}
DBT *svn_fs_base__nodata_dbt(DBT *dbt)
{
svn_fs_base__clear_dbt(dbt);
dbt->flags |= (DB_DBT_USERMEM | DB_DBT_PARTIAL);
dbt->doff = dbt->dlen = 0;
return dbt;
}
DBT *
svn_fs_base__set_dbt(DBT *dbt, const void *data, u_int32_t size)
{
svn_fs_base__clear_dbt(dbt);
dbt->data = (void *) data;
dbt->size = size;
return dbt;
}
DBT *
svn_fs_base__result_dbt(DBT *dbt)
{
svn_fs_base__clear_dbt(dbt);
dbt->flags |= DB_DBT_MALLOC;
return dbt;
}
static apr_status_t
apr_free_cleanup(void *arg)
{
free(arg);
return 0;
}
DBT *
svn_fs_base__track_dbt(DBT *dbt, apr_pool_t *pool)
{
if (dbt->data)
apr_pool_cleanup_register(pool, dbt->data, apr_free_cleanup,
apr_pool_cleanup_null);
return dbt;
}
DBT *
svn_fs_base__recno_dbt(DBT *dbt, db_recno_t *recno)
{
svn_fs_base__set_dbt(dbt, recno, sizeof(*recno));
dbt->ulen = dbt->size;
dbt->flags |= DB_DBT_USERMEM;
return dbt;
}
int
svn_fs_base__compare_dbt(const DBT *a, const DBT *b)
{
int common_size = a->size > b->size ? b->size : a->size;
int cmp = memcmp(a->data, b->data, common_size);
if (cmp)
return cmp;
else
return a->size - b->size;
}
DBT *
svn_fs_base__id_to_dbt(DBT *dbt,
const svn_fs_id_t *id,
apr_pool_t *pool)
{
svn_string_t *unparsed_id = svn_fs_base__id_unparse(id, pool);
svn_fs_base__set_dbt(dbt, unparsed_id->data, unparsed_id->len);
return dbt;
}
DBT *
svn_fs_base__skel_to_dbt(DBT *dbt,
svn_skel_t *skel,
apr_pool_t *pool)
{
svn_stringbuf_t *unparsed_skel = svn_skel__unparse(skel, pool);
svn_fs_base__set_dbt(dbt, unparsed_skel->data, unparsed_skel->len);
return dbt;
}
DBT *
svn_fs_base__str_to_dbt(DBT *dbt, const char *str)
{
svn_fs_base__set_dbt(dbt, str, strlen(str));
return dbt;
}
DBT *
svn_fs_base__checksum_to_dbt(DBT *dbt, svn_checksum_t *checksum)
{
svn_fs_base__set_dbt(dbt, checksum->digest, svn_checksum_size(checksum));
return dbt;
}