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/** @file include/fts0priv.ic
 Full text search internal header file

 Created 2011/11/12 Sunny Bains
 ***********************************************************************/

/** Write the table id to the given buffer (including final NUL). Buffer must be
 at least FTS_AUX_MIN_TABLE_ID_LENGTH bytes long.
 @param[in]	id	a table/index id
 @param[in]	str	buffer to write the id to
 @return number of bytes written */
UNIV_INLINE
int fts_write_object_id(ib_id_t id, char *str) {
  return (sprintf(str, UINT64PFx, id));
}

/** Read the table id from the string generated by fts_write_object_id().
 @return true if parse successful */
UNIV_INLINE
ibool fts_read_object_id(ib_id_t *id,     /* out: an id */
                         const char *str) /* in: buffer to read from */
{
  /* NOTE: this func doesn't care about whether current table
  is set with HEX_NAME, the user of the id read here will check
  if the id is HEX or DEC and do the right thing with it. */
  return (sscanf(str, UINT64PFx, id) == 1);
}

/** Compare two fts_trx_table_t instances.
 @return < 0 if n1 < n2, 0 if n1 == n2, > 0 if n1 > n2 */
UNIV_INLINE
int fts_trx_table_cmp(const void *p1, /*!< in: id1 */
                      const void *p2) /*!< in: id2 */
{
  const dict_table_t *table1 =
      (*static_cast<const fts_trx_table_t *const *>(p1))->table;

  const dict_table_t *table2 =
      (*static_cast<const fts_trx_table_t *const *>(p2))->table;

  return ((table1->id > table2->id) ? 1 : (table1->id == table2->id) ? 0 : -1);
}

/** Compare a table id with a fts_trx_table_t table id.
 @return < 0 if n1 < n2, 0 if n1 == n2,> 0 if n1 > n2 */
UNIV_INLINE
int fts_trx_table_id_cmp(const void *p1, /*!< in: id1 */
                         const void *p2) /*!< in: id2 */
{
  const uintmax_t *table_id = static_cast<const uintmax_t *>(p1);
  const dict_table_t *table2 =
      (*static_cast<const fts_trx_table_t *const *>(p2))->table;

  return ((*table_id > table2->id) ? 1 : (*table_id == table2->id) ? 0 : -1);
}