Function build_tmptable_filename

sql/sql_table.cc:671–686

*/

uint build_tmptable_filename(THD* thd, char *buff, size_t bufflen)
{
  LEX_STRING name;
  DBUG_ENTER("build_tmptable_filename");

  char *p= strnmov(buff, mysql_tmpdir, bufflen-2);
  *p++= '/';

  name= {p, bufflen - (p - buff) };

  make_tmp_table_name(thd, &name, "temptable");

  size_t length= unpack_filename(buff, buff);
  DBUG_PRINT("exit", ("buff: '%s'", buff));
  DBUG_RETURN((uint)length);
}

/*
  Create lower case paths for engines that requires them