// constructs a DB_LOCKREQ instance based on this instance and an
// externally (in unmanaged memory) allocated DBT and byte buffer;
// bufp *must* point to memory large enough to hold obj.Size bytes
internal unsafe DB_LOCKREQ PrepareLockReq(DBT *dbt, ref byte *bufp)
{
DB_LOCKREQ dblr = new DB_LOCKREQ((DB_LOCKOP)op, (DB_LOCKMODE)mode, unchecked ((uint)timeout),
(IntPtr)dbt, lck.dblck);
dbt->data = bufp;
dbt->size = obj.dbt.size;
dbt->flags = DBT.DB_DBT_USERMEM;
if (bufp != null)
{
Marshal.Copy(obj.Buffer, obj.Start, (IntPtr)bufp, obj.Size);
}
bufp += obj.dbt.size;
return(dblr);
}
// constructs a DB_LOCKREQ instance based on this instance and an
// externally (in unmanaged memory) allocated DBT and byte buffer;
// bufp *must* point to memory large enough to hold obj.Size bytes
internal unsafe DB_LOCKREQ PrepareLockReq(DBT* dbt, ref byte* bufp) {
DB_LOCKREQ dblr = new DB_LOCKREQ((DB_LOCKOP)op, (DB_LOCKMODE)mode, unchecked((uint)timeout),
(IntPtr)dbt, lck.dblck);
dbt->data = bufp;
dbt->size = obj.dbt.size;
dbt->flags = DBT.DB_DBT_USERMEM;
if (bufp != null)
Marshal.Copy(obj.Buffer, obj.Start, (IntPtr)bufp, obj.Size);
bufp += obj.dbt.size;
return dblr;
}
