/*
   Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/

#include "ndb_ndbapi_util.h"

#include <string.h> // memcpy

/*
  helper function to pack a ndb varchar
*/
char *ndb_pack_varchar(const NdbDictionary::Column *col, char *buf,
                       const char *str, int sz)
{
  switch (col->getArrayType())
  {
    case NdbDictionary::Column::ArrayTypeFixed:
      memcpy(buf, str, sz);
      break;
    case NdbDictionary::Column::ArrayTypeShortVar:
      *(uchar*)buf= (uchar)sz;
      memcpy(buf + 1, str, sz);
      break;
    case NdbDictionary::Column::ArrayTypeMediumVar:
      int2store(buf, sz);
      memcpy(buf + 2, str, sz);
      break;
  }
  return buf;
}


int
cmp_frm(const NdbDictionary::Table* ndbtab, const void* pack_data,
        size_t pack_length)
{
  DBUG_ENTER("cmp_frm");
  /*
    Compare the NDB tables FrmData with frm file blob in pack_data.
  */
  if ((pack_length != ndbtab->getFrmLength()) ||
      (memcmp(pack_data, ndbtab->getFrmData(), pack_length)))
    DBUG_RETURN(1);
  DBUG_RETURN(0);
}