path: root/mysql/strings/ctype-tis620.c

/* Copyright (c) 2000, 2016, 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 */

/*
   Copyright (C) 2003  by Sathit Jittanupat
          <jsat66@hotmail.com,jsat66@yahoo.com>
	* solving bug crash with long text field string
	* sorting with different number of space or sign char. within string

   Copyright (C) 2001  by Korakot Chaovavanich <korakot@iname.com> and
			  Apisilp Trunganont <apisilp@pantip.inet.co.th>
   Copyright (C) 1998, 1999 by Pruet Boonma <pruet@eng.cmu.ac.th>
   Copyright (C) 1998  by Theppitak Karoonboonyanan <thep@links.nectec.or.th>
   Copyright (C) 1989, 1991 by Samphan Raruenrom <samphan@thai.com>

   Permission to use, copy, modify, distribute and sell this software
   and its documentation for any purpose is hereby granted without fee,
   provided that the above copyright notice appear in all copies.
   Samphan Raruenrom , Theppitak Karoonboonyanan , Pruet Boonma ,
   Korakot Chaovavanich and Apisilp Trunganont makes no representations
   about the suitability of this software for any purpose.  It is provided
   "as is" without express or implied warranty.
*/


/*
   This file is basicly tis620 character sets with some extra functions
   for tis-620 handling
*/

/*
 * This comment is parsed by configure to create ctype.c,
 * so don't change it unless you know what you are doing.
 *
 * .configure. strxfrm_multiply_tis620=4
 */

#include <my_global.h>
#include <my_sys.h>
#include "m_string.h"
#include "m_ctype.h"
#include "t_ctype.h"

#ifdef HAVE_CHARSET_tis620

#define BUFFER_MULTIPLY 4
#define M  L_MIDDLE
#define U  L_UPPER
#define L  L_LOWER
#define UU L_UPRUPR
#define X  L_MIDDLE


static const int t_ctype[][TOT_LEVELS] = {
    /*0x00*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x01*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x02*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x03*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x04*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x05*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x06*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x07*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x08*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x09*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x0A*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x0B*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x0C*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x0D*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x0E*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x0F*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x10*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x11*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x12*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x13*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x14*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x15*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x16*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x17*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x18*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x19*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x1A*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x1B*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x1C*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x1D*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x1E*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x1F*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x20*/ { IGNORE, IGNORE, L3_SPACE, IGNORE, M},
    /*0x21*/ { IGNORE, IGNORE, L3_EXCLAMATION, IGNORE, M    },
    /*0x22*/ { IGNORE, IGNORE, L3_QUOTATION, IGNORE, M	    },
    /*0x23*/ { IGNORE, IGNORE, L3_NUMBER, IGNORE, M	    },
    /*0x24*/ { IGNORE, IGNORE, L3_DOLLAR, IGNORE, M	    },
    /*0x25*/ { IGNORE, IGNORE, L3_PERCENT, IGNORE, M	    },
    /*0x26*/ { IGNORE, IGNORE, L3_AMPERSAND, IGNORE, M	    },
    /*0x27*/ { IGNORE, IGNORE, L3_APOSTROPHE, IGNORE, M     },
    /*0x28*/ { IGNORE, IGNORE, L3_L_PARANTHESIS, IGNORE, M  },
    /*0x29*/ { IGNORE, IGNORE, L3_R_PARENTHESIS, IGNORE, M  },
    /*0x2A*/ { IGNORE, IGNORE, L3_ASTERISK, IGNORE, M	    },
    /*0x2B*/ { IGNORE, IGNORE, L3_PLUS, IGNORE, M	    },
    /*0x2C*/ { IGNORE, IGNORE, L3_COMMA, IGNORE, M	    },
    /*0x2D*/ { IGNORE, IGNORE, L3_HYPHEN, IGNORE, M	    },
    /*0x2E*/ { IGNORE, IGNORE, L3_FULL_STOP, IGNORE, M	    },
    /*0x2F*/ { IGNORE, IGNORE, L3_SOLIDUS, IGNORE, M	    },
    /*0x30*/ { L1_08, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x31*/ { L1_18, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x32*/ { L1_28, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x33*/ { L1_38, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x34*/ { L1_48, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x35*/ { L1_58, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x36*/ { L1_68, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x37*/ { L1_78, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x38*/ { L1_88, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x39*/ { L1_98, L2_BLANK, L3_BLANK, L4_BLANK, M  },
    /*0x3A*/ { IGNORE, IGNORE, L3_COLON, IGNORE, M	    },
    /*0x3B*/ { IGNORE, IGNORE, L3_SEMICOLON, IGNORE, M	    },
    /*0x3C*/ { IGNORE, IGNORE, L3_LESS_THAN, IGNORE, M	    },
    /*0x3D*/ { IGNORE, IGNORE, L3_EQUAL, IGNORE, M	    },
    /*0x3E*/ { IGNORE, IGNORE, L3_GREATER_THAN, IGNORE, M   },
    /*0x3F*/ { IGNORE, IGNORE, L3_QUESTION, IGNORE, M	    },
    /*0x40*/ { IGNORE, IGNORE, L3_AT, IGNORE, M		    },
    /*0x41*/ { L1_A8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x42*/ { L1_B8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x43*/ { L1_C8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x44*/ { L1_D8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x45*/ { L1_E8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x46*/ { L1_F8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x47*/ { L1_G8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x48*/ { L1_H8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x49*/ { L1_I8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x4A*/ { L1_J8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x4B*/ { L1_K8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x4C*/ { L1_L8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x4D*/ { L1_M8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x4E*/ { L1_N8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x4F*/ { L1_O8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x50*/ { L1_P8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x51*/ { L1_Q8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x52*/ { L1_R8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x53*/ { L1_S8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x54*/ { L1_T8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x55*/ { L1_U8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x56*/ { L1_V8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x57*/ { L1_W8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x58*/ { L1_X8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x59*/ { L1_Y8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x5A*/ { L1_Z8, L2_BLANK, L3_BLANK, L4_CAP, M  },
    /*0x5B*/ { IGNORE, IGNORE, L3_L_BRACKET, IGNORE, M	    },
    /*0x5C*/ { IGNORE, IGNORE, L3_BK_SOLIDUS, IGNORE, M     },
    /*0x5D*/ { IGNORE, IGNORE, L3_R_BRACKET, IGNORE, M	    },
    /*0x5E*/ { IGNORE, IGNORE, L3_CIRCUMFLEX, IGNORE, M     },
    /*0x5F*/ { IGNORE, IGNORE, L3_LOW_LINE, IGNORE, M	    },
    /*0x60*/ { IGNORE, IGNORE, L3_GRAVE, IGNORE, M	    },
    /*0x61*/ { L1_A8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x62*/ { L1_B8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x63*/ { L1_C8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x64*/ { L1_D8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x65*/ { L1_E8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x66*/ { L1_F8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x67*/ { L1_G8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x68*/ { L1_H8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x69*/ { L1_I8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x6A*/ { L1_J8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x6B*/ { L1_K8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x6C*/ { L1_L8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x6D*/ { L1_M8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x6E*/ { L1_N8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x6F*/ { L1_O8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x70*/ { L1_P8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x71*/ { L1_Q8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x72*/ { L1_R8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x73*/ { L1_S8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x74*/ { L1_T8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x75*/ { L1_U8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x76*/ { L1_V8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x77*/ { L1_W8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x78*/ { L1_X8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x79*/ { L1_Y8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x7A*/ { L1_Z8, L2_BLANK, L3_BLANK, L4_MIN, M  },
    /*0x7B*/ { IGNORE, IGNORE, L3_L_BRACE, IGNORE, M	    },
    /*0x7C*/ { IGNORE, IGNORE, L3_V_LINE, IGNORE, M	    },
    /*0x7D*/ { IGNORE, IGNORE, L3_R_BRACE, IGNORE, M	    },
    /*0x7E*/ { IGNORE, IGNORE, L3_TILDE, IGNORE, M	    },
    /*0x7F*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x80*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x81*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x82*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x83*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x84*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x85*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x86*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x87*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x88*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x89*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x8A*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x8B*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x8C*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x8D*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x8E*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x8F*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x90*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x91*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x92*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x93*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x94*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x95*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x96*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x97*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x98*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x99*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x9A*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x9B*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x9C*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x9D*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x9E*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0x9F*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xA0*/ { IGNORE, IGNORE, L3_NB_SACE, IGNORE, X	    },
    /*0xA1*/ { L1_KO_KAI, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA2*/ { L1_KHO_KHAI, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA3*/ { L1_KHO_KHUAT, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA4*/ { L1_KHO_KHWAI, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA5*/ { L1_KHO_KHON, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA6*/ { L1_KHO_RAKHANG, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA7*/ { L1_NGO_NGU, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA8*/ { L1_CHO_CHAN, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xA9*/ { L1_CHO_CHING, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xAA*/ { L1_CHO_CHANG, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xAB*/ { L1_SO_SO, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xAC*/ { L1_CHO_CHOE,	L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xAD*/ { L1_YO_YING, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xAE*/ { L1_DO_CHADA,	L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xAF*/ { L1_TO_PATAK,	L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB0*/ { L1_THO_THAN,	L2_BLANK,L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB1*/ { L1_THO_NANGMONTHO, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB2*/ { L1_THO_PHUTHAO, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB3*/ { L1_NO_NEN, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB4*/ { L1_DO_DEK, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB5*/ { L1_TO_TAO, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB6*/ { L1_THO_THUNG, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB7*/ { L1_THO_THAHAN, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB8*/ { L1_THO_THONG, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xB9*/ { L1_NO_NU, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xBA*/ { L1_BO_BAIMAI, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xBB*/ { L1_PO_PLA, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xBC*/ { L1_PHO_PHUNG, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xBD*/ { L1_FO_FA, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xBE*/ { L1_PHO_PHAN, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xBF*/ { L1_FO_FAN, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC0*/ { L1_PHO_SAMPHAO, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC1*/ { L1_MO_MA, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC2*/ { L1_YO_YAK, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC3*/ { L1_RO_RUA, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC4*/ { L1_RU, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC5*/ { L1_LO_LING, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC6*/ { L1_LU, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC7*/ { L1_WO_WAEN, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC8*/ { L1_SO_SALA, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xC9*/ { L1_SO_RUSI, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xCA*/ { L1_SO_SUA, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xCB*/ { L1_HO_HIP, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xCC*/ { L1_LO_CHULA,	L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xCD*/ { L1_O_ANG, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xCE*/ { L1_HO_NOKHUK, L2_BLANK, L3_BLANK, L4_BLANK, M | _consnt},
    /*0xCF*/ { IGNORE, IGNORE, L3_PAIYAN_NOI, IGNORE, M},
    /*0xD0*/ { L1_SARA_A, L2_BLANK, L3_BLANK, L4_BLANK, M | _fllwvowel},
    /*0xD1*/ { L1_MAI_HAN_AKAT, L2_BLANK, L3_BLANK, L4_BLANK, U | _uprvowel},
    /*0xD2*/ { L1_SARA_AA, L2_BLANK, L3_BLANK, L4_BLANK, M | _fllwvowel},
    /*0xD3*/ { L1_SARA_AM, L2_BLANK, L3_BLANK, L4_BLANK, M | _fllwvowel},
    /*0xD4*/ { L1_SARA_I, L2_BLANK, L3_BLANK, L4_BLANK, U | _uprvowel},
    /*0xD5*/ { L1_SARA_II, L2_BLANK, L3_BLANK, L4_BLANK, U | _uprvowel},
    /*0xD6*/ { L1_SARA_UE, L2_BLANK, L3_BLANK, L4_BLANK, U | _uprvowel},
    /*0xD7*/ { L1_SARA_UEE, L2_BLANK, L3_BLANK, L4_BLANK, U | _uprvowel},
    /*0xD8*/ { L1_SARA_U, L2_BLANK, L3_BLANK, L4_BLANK, L | _lwrvowel},
    /*0xD9*/ { L1_SARA_UU, L2_BLANK, L3_BLANK, L4_BLANK, L | _lwrvowel},
    /*0xDA*/ { IGNORE, L2_PINTHU, L3_BLANK, L4_BLANK, L  },
    /*0xDB*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xDC*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xDD*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xDE*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xDF*/ { IGNORE, IGNORE, L3_BAHT, IGNORE, M},
    /*0xE0*/ { L1_SARA_E, L2_BLANK, L3_BLANK, L4_BLANK, M | _ldvowel },
    /*0xE1*/ { L1_SARA_AE, L2_BLANK, L3_BLANK, L4_BLANK, M | _ldvowel },
    /*0xE2*/ { L1_SARA_O, L2_BLANK, L3_BLANK, L4_BLANK, M | _ldvowel  },
    /*0xE3*/ { L1_SARA_AI_MAIMUAN,	L2_BLANK, L3_BLANK, L4_BLANK, M | _ldvowel },
    /*0xE4*/ { L1_SARA_AI_MAIMALAI, L2_BLANK, L3_BLANK, L4_BLANK, M | _ldvowel },
    /*0xE5*/ { L1_SARA_AA, L2_BLANK, L3_BLANK, L4_EXT, M  | _fllwvowel },
    /*0xE6*/ { IGNORE, IGNORE, L3_MAI_YAMOK, IGNORE, M | _stone },
    /*0xE7*/ { IGNORE, L2_TYKHU, L3_BLANK, L4_BLANK, U | _diacrt1 | _stone  },
    /*0xE8*/ { IGNORE, L2_TONE1, L3_BLANK, L4_BLANK, UU | _tone | _combine | _stone  },
    /*0xE9*/ { IGNORE, L2_TONE2, L3_BLANK, L4_BLANK, UU | _tone | _combine | _stone  },
    /*0xEA*/ { IGNORE, L2_TONE3, L3_BLANK, L4_BLANK, UU | _tone | _combine | _stone  },
    /*0xEB*/ { IGNORE, L2_TONE4, L3_BLANK, L4_BLANK, UU | _tone | _combine | _stone },
    /*0xEC*/ { IGNORE, L2_GARAN, L3_BLANK, L4_BLANK, UU | _diacrt2 | _combine | _stone },
    /*0xED*/ { L1_NKHIT, L2_BLANK, L3_BLANK, L4_BLANK, U | _diacrt1  },
    /*0xEE*/ { IGNORE, L2_YAMAK, L3_BLANK, L4_BLANK, U | _diacrt1 },
    /*0xEF*/ { IGNORE, IGNORE, L3_FONGMAN, IGNORE, M  },
    /*0xF0*/ { L1_08, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF1*/ { L1_18, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF2*/ { L1_28, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF3*/ { L1_38, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF4*/ { L1_48, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF5*/ { L1_58, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF6*/ { L1_68, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF7*/ { L1_78, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF8*/ { L1_88, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xF9*/ { L1_98, L2_THAII, L3_BLANK, L4_BLANK, M | _tdig },
    /*0xFA*/ { IGNORE, IGNORE, L3_ANGKHANKHU, IGNORE, X },
    /*0xFB*/ { IGNORE, IGNORE, L3_KHOMUT, IGNORE, X },
    /*0xFC*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xFD*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /*0xFE*/ { IGNORE, IGNORE, IGNORE, IGNORE, X },
    /* Utilize 0xFF for max_sort_chr in my_like_range_tis620 */
    /*0xFF*/ { 255 /*IGNORE*/, IGNORE, IGNORE, IGNORE, X },
};

static const uchar ctype_tis620[257] =
{
  0,				/* For standard library */
  32,32,32,32,32,32,32,32,32,40,40,40,40,40,32,32,
  32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,
  72,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,
  132,132,132,132,132,132,132,132,132,132,16,16,16,16,16,16,
  16,129,129,129,129,129,129,1,1,1,1,1,1,1,1,1,
  1,1,1,1,1,1,1,1,1,1,1,16,16,16,16,16,
  16,130,130,130,130,130,130,2,2,2,2,2,2,2,2,2,
  2,2,2,2,2,2,2,2,2,2,2,16,16,16,16,32,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
  0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
};

static const uchar to_lower_tis620[]=
{
  '\000','\001','\002','\003','\004','\005','\006','\007',
  '\010','\011','\012','\013','\014','\015','\016','\017',
  '\020','\021','\022','\023','\024','\025','\026','\027',
  '\030','\031','\032','\033','\034','\035','\036','\037',
  ' ',	 '!',	'"',   '#',   '$',   '%',   '&',   '\'',
  '(',	 ')',	'*',   '+',   ',',   '-',   '.',   '/',
  '0',	 '1',	'2',   '3',   '4',   '5',   '6',   '7',
  '8',	 '9',	':',   ';',   '<',   '=',   '>',   '?',
  '@',	 'a',	'b',   'c',   'd',   'e',   'f',   'g',
  'h',	 'i',	'j',   'k',   'l',   'm',   'n',   'o',
  'p',	 'q',	'r',   's',   't',   'u',   'v',   'w',
  'x',	 'y',	'z',   '[',   '\\',  ']',   '^',   '_',
  '`',	 'a',	'b',   'c',   'd',   'e',   'f',   'g',
  'h',	 'i',	'j',   'k',   'l',   'm',   'n',   'o',
  'p',	 'q',	'r',   's',   't',   'u',   'v',   'w',
  'x',	 'y',	'z',   '{',   '|',   '}',   '~',   '\177',
  (uchar) '\200',(uchar) '\201',(uchar) '\202',(uchar) '\203',(uchar) '\204',(uchar) '\205',(uchar) '\206',(uchar) '\207',
  (uchar) '\210',(uchar) '\211',(uchar) '\212',(uchar) '\213',(uchar) '\214',(uchar) '\215',(uchar) '\216',(uchar) '\217',
  (uchar) '\220',(uchar) '\221',(uchar) '\222',(uchar) '\223',(uchar) '\224',(uchar) '\225',(uchar) '\226',(uchar) '\227',
  (uchar) '\230',(uchar) '\231',(uchar) '\232',(uchar) '\233',(uchar) '\234',(uchar) '\235',(uchar) '\236',(uchar) '\237',
  (uchar) '\240',(uchar) '\241',(uchar) '\242',(uchar) '\243',(uchar) '\244',(uchar) '\245',(uchar) '\246',(uchar) '\247',
  (uchar) '\250',(uchar) '\251',(uchar) '\252',(uchar) '\253',(uchar) '\254',(uchar) '\255',(uchar) '\256',(uchar) '\257',
  (uchar) '\260',(uchar) '\261',(uchar) '\262',(uchar) '\263',(uchar) '\264',(uchar) '\265',(uchar) '\266',(uchar) '\267',
  (uchar) '\270',(uchar) '\271',(uchar) '\272',(uchar) '\273',(uchar) '\274',(uchar) '\275',(uchar) '\276',(uchar) '\277',
  (uchar) '\300',(uchar) '\301',(uchar) '\302',(uchar) '\303',(uchar) '\304',(uchar) '\305',(uchar) '\306',(uchar) '\307',
  (uchar) '\310',(uchar) '\311',(uchar) '\312',(uchar) '\313',(uchar) '\314',(uchar) '\315',(uchar) '\316',(uchar) '\317',
  (uchar) '\320',(uchar) '\321',(uchar) '\322',(uchar) '\323',(uchar) '\324',(uchar) '\325',(uchar) '\326',(uchar) '\327',
  (uchar) '\330',(uchar) '\331',(uchar) '\332',(uchar) '\333',(uchar) '\334',(uchar) '\335',(uchar) '\336',(uchar) '\337',
  (uchar) '\340',(uchar) '\341',(uchar) '\342',(uchar) '\343',(uchar) '\344',(uchar) '\345',(uchar) '\346',(uchar) '\347',
  (uchar) '\350',(uchar) '\351',(uchar) '\352',(uchar) '\353',(uchar) '\354',(uchar) '\355',(uchar) '\356',(uchar) '\357',
  (uchar) '\360',(uchar) '\361',(uchar) '\362',(uchar) '\363',(uchar) '\364',(uchar) '\365',(uchar) '\366',(uchar) '\367',
  (uchar) '\370',(uchar) '\371',(uchar) '\372',(uchar) '\373',(uchar) '\374',(uchar) '\375',(uchar) '\376',(uchar) '\377',
};

static const uchar to_upper_tis620[]=
{
  '\000','\001','\002','\003','\004','\005','\006','\007',
  '\010','\011','\012','\013','\014','\015','\016','\017',
  '\020','\021','\022','\023','\024','\025','\026','\027',
  '\030','\031','\032','\033','\034','\035','\036','\037',
  ' ',	 '!',	'"',   '#',   '$',   '%',   '&',   '\'',
  '(',	 ')',	'*',   '+',   ',',   '-',   '.',   '/',
  '0',	 '1',	'2',   '3',   '4',   '5',   '6',   '7',
  '8',	 '9',	':',   ';',   '<',   '=',   '>',   '?',
  '@',	 'A',	'B',   'C',   'D',   'E',   'F',   'G',
  'H',	 'I',	'J',   'K',   'L',   'M',   'N',   'O',
  'P',	 'Q',	'R',   'S',   'T',   'U',   'V',   'W',
  'X',	 'Y',	'Z',   '[',   '\\',  ']',   '^',   '_',
  '`',	 'A',	'B',   'C',   'D',   'E',   'F',   'G',
  'H',	 'I',	'J',   'K',   'L',   'M',   'N',   'O',
  'P',	 'Q',	'R',   'S',   'T',   'U',   'V',   'W',
  'X',	 'Y',	'Z',   '{',   '|',   '}',   '~',   '\177',
  (uchar) '\200',(uchar) '\201',(uchar) '\202',(uchar) '\203',(uchar) '\204',(uchar) '\205',(uchar) '\206',(uchar) '\207',
  (uchar) '\210',(uchar) '\211',(uchar) '\212',(uchar) '\213',(uchar) '\214',(uchar) '\215',(uchar) '\216',(uchar) '\217',
  (uchar) '\220',(uchar) '\221',(uchar) '\222',(uchar) '\223',(uchar) '\224',(uchar) '\225',(uchar) '\226',(uchar) '\227',
  (uchar) '\230',(uchar) '\231',(uchar) '\232',(uchar) '\233',(uchar) '\234',(uchar) '\235',(uchar) '\236',(uchar) '\237',
  (uchar) '\240',(uchar) '\241',(uchar) '\242',(uchar) '\243',(uchar) '\244',(uchar) '\245',(uchar) '\246',(uchar) '\247',
  (uchar) '\250',(uchar) '\251',(uchar) '\252',(uchar) '\253',(uchar) '\254',(uchar) '\255',(uchar) '\256',(uchar) '\257',
  (uchar) '\260',(uchar) '\261',(uchar) '\262',(uchar) '\263',(uchar) '\264',(uchar) '\265',(uchar) '\266',(uchar) '\267',
  (uchar) '\270',(uchar) '\271',(uchar) '\272',(uchar) '\273',(uchar) '\274',(uchar) '\275',(uchar) '\276',(uchar) '\277',
  (uchar) '\300',(uchar) '\301',(uchar) '\302',(uchar) '\303',(uchar) '\304',(uchar) '\305',(uchar) '\306',(uchar) '\307',
  (uchar) '\310',(uchar) '\311',(uchar) '\312',(uchar) '\313',(uchar) '\314',(uchar) '\315',(uchar) '\316',(uchar) '\317',
  (uchar) '\320',(uchar) '\321',(uchar) '\322',(uchar) '\323',(uchar) '\324',(uchar) '\325',(uchar) '\326',(uchar) '\327',
  (uchar) '\330',(uchar) '\331',(uchar) '\332',(uchar) '\333',(uchar) '\334',(uchar) '\335',(uchar) '\336',(uchar) '\337',
  (uchar) '\340',(uchar) '\341',(uchar) '\342',(uchar) '\343',(uchar) '\344',(uchar) '\345',(uchar) '\346',(uchar) '\347',
  (uchar) '\350',(uchar) '\351',(uchar) '\352',(uchar) '\353',(uchar) '\354',(uchar) '\355',(uchar) '\356',(uchar) '\357',
  (uchar) '\360',(uchar) '\361',(uchar) '\362',(uchar) '\363',(uchar) '\364',(uchar) '\365',(uchar) '\366',(uchar) '\367',
  (uchar) '\370',(uchar) '\371',(uchar) '\372',(uchar) '\373',(uchar) '\374',(uchar) '\375',(uchar) '\376',(uchar) '\377',
};

static const uchar sort_order_tis620[]=
{
  '\000','\001','\002','\003','\004','\005','\006','\007',
  '\010','\011','\012','\013','\014','\015','\016','\017',
  '\020','\021','\022','\023','\024','\025','\026','\027',
  '\030','\031','\032','\033','\034','\035','\036','\037',
  ' ',	 '!',	'"',   '#',   '$',   '%',   '&',   '\'',
  '(',	 ')',	'*',   '+',   ',',   '-',   '.',   '/',
  '0',	 '1',	'2',   '3',   '4',   '5',   '6',   '7',
  '8',	 '9',	':',   ';',   '<',   '=',   '>',   '?',
  '@',	 'A',	'B',   'C',   'D',   'E',   'F',   'G',
  'H',	 'I',	'J',   'K',   'L',   'M',   'N',   'O',
  'P',	 'Q',	'R',   'S',   'T',   'U',   'V',   'W',
  'X',	 'Y',	'Z',   '\\',  ']',   '[',   '^',   '_',
  'E',	 'A',	'B',   'C',   'D',   'E',   'F',   'G',
  'H',	 'I',	'J',   'K',   'L',   'M',   'N',   'O',
  'P',	 'Q',	'R',   'S',   'T',   'U',   'V',   'W',
  'X',	 'Y',	'Z',   '{',   '|',   '}',   'Y',   '\177',
  (uchar) '\200',(uchar) '\201',(uchar) '\202',(uchar) '\203',(uchar) '\204',(uchar) '\205',(uchar) '\206',(uchar) '\207',
  (uchar) '\210',(uchar) '\211',(uchar) '\212',(uchar) '\213',(uchar) '\214',(uchar) '\215',(uchar) '\216',(uchar) '\217',
  (uchar) '\220',(uchar) '\221',(uchar) '\222',(uchar) '\223',(uchar) '\224',(uchar) '\225',(uchar) '\226',(uchar) '\227',
  (uchar) '\230',(uchar) '\231',(uchar) '\232',(uchar) '\233',(uchar) '\234',(uchar) '\235',(uchar) '\236',(uchar) '\237',
  (uchar) '\240',(uchar) '\241',(uchar) '\242',(uchar) '\243',(uchar) '\244',(uchar) '\245',(uchar) '\246',(uchar) '\247',
  (uchar) '\250',(uchar) '\251',(uchar) '\252',(uchar) '\253',(uchar) '\254',(uchar) '\255',(uchar) '\256',(uchar) '\257',
  (uchar) '\260',(uchar) '\261',(uchar) '\262',(uchar) '\263',(uchar) '\264',(uchar) '\265',(uchar) '\266',(uchar) '\267',
  (uchar) '\270',(uchar) '\271',(uchar) '\272',(uchar) '\273',(uchar) '\274',(uchar) '\275',(uchar) '\276',(uchar) '\277',
  (uchar) '\300',(uchar) '\301',(uchar) '\302',(uchar) '\303',(uchar) '\304',(uchar) '\305',(uchar) '\306',(uchar) '\307',
  (uchar) '\310',(uchar) '\311',(uchar) '\312',(uchar) '\313',(uchar) '\314',(uchar) '\315',(uchar) '\316',(uchar) '\317',
  (uchar) '\320',(uchar) '\321',(uchar) '\322',(uchar) '\323',(uchar) '\324',(uchar) '\325',(uchar) '\326',(uchar) '\327',
  (uchar) '\330',(uchar) '\331',(uchar) '\332',(uchar) '\333',(uchar) '\334',(uchar) '\335',(uchar) '\336',(uchar) '\337',
  (uchar) '\340',(uchar) '\341',(uchar) '\342',(uchar) '\343',(uchar) '\344',(uchar) '\345',(uchar) '\346',(uchar) '\347',
  (uchar) '\350',(uchar) '\351',(uchar) '\352',(uchar) '\353',(uchar) '\354',(uchar) '\355',(uchar) '\356',(uchar) '\357',
  (uchar) '\360',(uchar) '\361',(uchar) '\362',(uchar) '\363',(uchar) '\364',(uchar) '\365',(uchar) '\366',(uchar) '\367',
  (uchar) '\370',(uchar) '\371',(uchar) '\372',(uchar) '\373',(uchar) '\374',(uchar) '\375',(uchar) '\376',(uchar) '\377',
};


/*
  Convert thai string to "Standard C String Function" sortable string

  SYNOPSIS
    thai2sortable()
    tstr		String to convert. Does not have to end with \0
    len			Length of tstr
*/

static size_t thai2sortable(uchar *tstr, size_t len)
{
  uchar	*p;
  size_t	tlen;
  uchar	l2bias;

  tlen= len;
  l2bias= 	256 - 8;
  for (p= tstr; tlen > 0; p++, tlen--)
  {
    uchar c= *p;

    if (isthai(c))
    {
      const int *t_ctype0= t_ctype[c];

      if (isconsnt(c))
	l2bias	-= 8;
      if (isldvowel(c) && tlen != 1 && isconsnt(p[1]))
      {
	/* simply swap between leading-vowel and consonant */
	*p= p[1];
	p[1]= c;
	tlen--;
	p++; 
	continue;
      }

      /* if found level 2 char (L2_GARAN,L2_TONE*,L2_TYKHU) move to last */
      if (t_ctype0[1] >= L2_GARAN)
      {
	/*
	  l2bias use to control position weight of l2char
	  example (*=l2char) XX*X must come before X*XX
	*/
	memmove((char*) p, (char*) (p+1), tlen-1);
	tstr[len-1]= l2bias + t_ctype0[1]- L2_GARAN +1;
	p--;
	continue;
      }
    }
    else
    {
      l2bias-= 8;
      *p= to_lower_tis620[c]; 
    }
  }
  return len;
}


/*
  strncoll() replacement, compare 2 string, both are converted to sortable
  string

  NOTE:
    We can't cut strings at end \0 as this would break comparision with
    LIKE characters, where the min range is stored as end \0

  Arg: 2 Strings and it compare length
  Ret: strcmp result
*/

static
int my_strnncoll_tis620(const CHARSET_INFO *cs MY_ATTRIBUTE((unused)),
                        const uchar *s1, size_t len1, 
                        const uchar *s2, size_t len2,
                        my_bool s2_is_prefix)
{
  uchar	buf[80] ;
  uchar *tc1, *tc2;
  int i;

  if (s2_is_prefix && len1 > len2)
    len1= len2;

  tc1= buf;
  if ((len1 + len2 +2) > (int) sizeof(buf))
    tc1= (uchar*) my_str_malloc(len1+len2+2);
  tc2= tc1 + len1+1;
  memcpy((char*) tc1, (char*) s1, len1);
  tc1[len1]= 0;		/* if length(s1)> len1, need to put 'end of string' */
  memcpy((char *)tc2, (char *)s2, len2);
  tc2[len2]= 0;		/* put end of string */
  thai2sortable(tc1, len1);
  thai2sortable(tc2, len2);
  i= strcmp((char*)tc1, (char*)tc2);
  if (tc1 != buf)
    my_str_free(tc1);
  return i;
}


static
int my_strnncollsp_tis620(const CHARSET_INFO * cs MY_ATTRIBUTE((unused)),
			  const uchar *a0, size_t a_length, 
			  const uchar *b0, size_t b_length,
                          my_bool diff_if_only_endspace_difference)
{
  uchar	buf[80], *end, *a, *b, *alloced= NULL;
  size_t length;
  int res= 0;

#ifndef VARCHAR_WITH_DIFF_ENDSPACE_ARE_DIFFERENT_FOR_UNIQUE
  diff_if_only_endspace_difference= 0;
#endif
  
  a= buf;
  if ((a_length + b_length +2) > (int) sizeof(buf))
    alloced= a= (uchar*) my_str_malloc(a_length+b_length+2);
  
  b= a + a_length+1;
  memcpy((char*) a, (char*) a0, a_length);
  a[a_length]= 0;	/* if length(a0)> len1, need to put 'end of string' */
  memcpy((char *)b, (char *)b0, b_length);
  b[b_length]= 0;	/* put end of string */
  a_length= thai2sortable(a, a_length);
  b_length= thai2sortable(b, b_length);
  
  end= a + (length= MY_MIN(a_length, b_length));
  while (a < end)
  {
    if (*a++ != *b++)
    {
      res= ((int) a[-1] - (int) b[-1]);
      goto ret;
    }
  }
  if (a_length != b_length)
  {
    int swap= 1;
    if (diff_if_only_endspace_difference)
      res= 1;                                   /* Assume 'a' is bigger */
    /*
      Check the next not space character of the longer key. If it's < ' ',
      then it's smaller than the other key.
    */
    if (a_length < b_length)
    {
      /* put shorter key in s */
      a_length= b_length;
      a= b;
      swap= -1;					/* swap sign of result */
      res= -res;
    }
    for (end= a + a_length-length; a < end ; a++)
    {
      if (*a != ' ')
      {
	res= (*a < ' ') ? -swap : swap;
	goto ret;
      }
    }
  }
  
ret:
  
  if (alloced)
    my_str_free(alloced);
  return res;
}


/*
  strnxfrm replacment, convert Thai string to sortable string

  Arg: Destination buffer, source string, dest length and source length
  Ret: Conveted string size
*/

static size_t
my_strnxfrm_tis620(const CHARSET_INFO *cs,
                   uchar *dst, size_t dstlen, uint nweights,
                   const uchar *src, size_t srclen, uint flags)
{
  size_t dstlen0= dstlen;
  size_t min_len= MY_MIN(dstlen, srclen);
  size_t len= 0;

  /*
    We don't use strmake here, since it requires one more character for
    the terminating '\0', while this function itself and the following calling
    functions do not require it
  */
  while (len < min_len)
  {
    if (! (dst[len] = src[len]))
      break;
    len++;
  }

  len= thai2sortable(dst, len);
  set_if_smaller(dstlen, nweights);
  set_if_smaller(len, dstlen);
  len= my_strxfrm_pad_desc_and_reverse(cs, dst, dst + len, dst + dstlen,
                                       (uint)(dstlen - len), flags, 0);
  if ((flags & MY_STRXFRM_PAD_TO_MAXLEN) && len < dstlen0)
  {
    size_t fill_length= dstlen0 - len;
    cs->cset->fill(cs, (char*) dst + len, fill_length, cs->pad_char);
    len= dstlen0;
  }
  return len;
}


static const unsigned short cs_to_uni[256]={
0x0000,0x0001,0x0002,0x0003,0x0004,0x0005,0x0006,0x0007,
0x0008,0x0009,0x000A,0x000B,0x000C,0x000D,0x000E,0x000F,
0x0010,0x0011,0x0012,0x0013,0x0014,0x0015,0x0016,0x0017,
0x0018,0x0019,0x001A,0x001B,0x001C,0x001D,0x001E,0x001F,
0x0020,0x0021,0x0022,0x0023,0x0024,0x0025,0x0026,0x0027,
0x0028,0x0029,0x002A,0x002B,0x002C,0x002D,0x002E,0x002F,
0x0030,0x0031,0x0032,0x0033,0x0034,0x0035,0x0036,0x0037,
0x0038,0x0039,0x003A,0x003B,0x003C,0x003D,0x003E,0x003F,
0x0040,0x0041,0x0042,0x0043,0x0044,0x0045,0x0046,0x0047,
0x0048,0x0049,0x004A,0x004B,0x004C,0x004D,0x004E,0x004F,
0x0050,0x0051,0x0052,0x0053,0x0054,0x0055,0x0056,0x0057,
0x0058,0x0059,0x005A,0x005B,0x005C,0x005D,0x005E,0x005F,
0x0060,0x0061,0x0062,0x0063,0x0064,0x0065,0x0066,0x0067,
0x0068,0x0069,0x006A,0x006B,0x006C,0x006D,0x006E,0x006F,
0x0070,0x0071,0x0072,0x0073,0x0074,0x0075,0x0076,0x0077,
0x0078,0x0079,0x007A,0x007B,0x007C,0x007D,0x007E,0x007F,
0x0080,0x0081,0x0082,0x0083,0x0084,0x0085,0x0086,0x0087,
0x0088,0x0089,0x008A,0x008B,0x008C,0x008D,0x008E,0x008F,
0x0090,0x0091,0x0092,0x0093,0x0094,0x0095,0x0096,0x0097,
0x0098,0x0099,0x009A,0x009B,0x009C,0x009D,0x009E,0x009F,
0xFFFD,0x0E01,0x0E02,0x0E03,0x0E04,0x0E05,0x0E06,0x0E07,
0x0E08,0x0E09,0x0E0A,0x0E0B,0x0E0C,0x0E0D,0x0E0E,0x0E0F,
0x0E10,0x0E11,0x0E12,0x0E13,0x0E14,0x0E15,0x0E16,0x0E17,
0x0E18,0x0E19,0x0E1A,0x0E1B,0x0E1C,0x0E1D,0x0E1E,0x0E1F,
0x0E20,0x0E21,0x0E22,0x0E23,0x0E24,0x0E25,0x0E26,0x0E27,
0x0E28,0x0E29,0x0E2A,0x0E2B,0x0E2C,0x0E2D,0x0E2E,0x0E2F,
0x0E30,0x0E31,0x0E32,0x0E33,0x0E34,0x0E35,0x0E36,0x0E37,
0x0E38,0x0E39,0x0E3A,0xFFFD,0xFFFD,0xFFFD,0xFFFD,0x0E3F,
0x0E40,0x0E41,0x0E42,0x0E43,0x0E44,0x0E45,0x0E46,0x0E47,
0x0E48,0x0E49,0x0E4A,0x0E4B,0x0E4C,0x0E4D,0x0E4E,0x0E4F,
0x0E50,0x0E51,0x0E52,0x0E53,0x0E54,0x0E55,0x0E56,0x0E57,
0x0E58,0x0E59,0x0E5A,0x0E5B,0xFFFD,0xFFFD,0xFFFD,0xFFFD
};
static const uchar pl00[256]={
0x0000,0x0001,0x0002,0x0003,0x0004,0x0005,0x0006,0x0007,
0x0008,0x0009,0x000A,0x000B,0x000C,0x000D,0x000E,0x000F,
0x0010,0x0011,0x0012,0x0013,0x0014,0x0015,0x0016,0x0017,
0x0018,0x0019,0x001A,0x001B,0x001C,0x001D,0x001E,0x001F,
0x0020,0x0021,0x0022,0x0023,0x0024,0x0025,0x0026,0x0027,
0x0028,0x0029,0x002A,0x002B,0x002C,0x002D,0x002E,0x002F,
0x0030,0x0031,0x0032,0x0033,0x0034,0x0035,0x0036,0x0037,
0x0038,0x0039,0x003A,0x003B,0x003C,0x003D,0x003E,0x003F,
0x0040,0x0041,0x0042,0x0043,0x0044,0x0045,0x0046,0x0047,
0x0048,0x0049,0x004A,0x004B,0x004C,0x004D,0x004E,0x004F,
0x0050,0x0051,0x0052,0x0053,0x0054,0x0055,0x0056,0x0057,
0x0058,0x0059,0x005A,0x005B,0x005C,0x005D,0x005E,0x005F,
0x0060,0x0061,0x0062,0x0063,0x0064,0x0065,0x0066,0x0067,
0x0068,0x0069,0x006A,0x006B,0x006C,0x006D,0x006E,0x006F,
0x0070,0x0071,0x0072,0x0073,0x0074,0x0075,0x0076,0x0077,
0x0078,0x0079,0x007A,0x007B,0x007C,0x007D,0x007E,0x007F,
0x0080,0x0081,0x0082,0x0083,0x0084,0x0085,0x0086,0x0087,
0x0088,0x0089,0x008A,0x008B,0x008C,0x008D,0x008E,0x008F,
0x0090,0x0091,0x0092,0x0093,0x0094,0x0095,0x0096,0x0097,
0x0098,0x0099,0x009A,0x009B,0x009C,0x009D,0x009E,0x009F,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000
};
static const uchar pl0E[256]={
0x0000,0x00A1,0x00A2,0x00A3,0x00A4,0x00A5,0x00A6,0x00A7,
0x00A8,0x00A9,0x00AA,0x00AB,0x00AC,0x00AD,0x00AE,0x00AF,
0x00B0,0x00B1,0x00B2,0x00B3,0x00B4,0x00B5,0x00B6,0x00B7,
0x00B8,0x00B9,0x00BA,0x00BB,0x00BC,0x00BD,0x00BE,0x00BF,
0x00C0,0x00C1,0x00C2,0x00C3,0x00C4,0x00C5,0x00C6,0x00C7,
0x00C8,0x00C9,0x00CA,0x00CB,0x00CC,0x00CD,0x00CE,0x00CF,
0x00D0,0x00D1,0x00D2,0x00D3,0x00D4,0x00D5,0x00D6,0x00D7,
0x00D8,0x00D9,0x00DA,0x0000,0x0000,0x0000,0x0000,0x00DF,
0x00E0,0x00E1,0x00E2,0x00E3,0x00E4,0x00E5,0x00E6,0x00E7,
0x00E8,0x00E9,0x00EA,0x00EB,0x00EC,0x00ED,0x00EE,0x00EF,
0x00F0,0x00F1,0x00F2,0x00F3,0x00F4,0x00F5,0x00F6,0x00F7,
0x00F8,0x00F9,0x00FA,0x00FB,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000
};
static const uchar plFF[256]={
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,0x0000,
0x0000,0x0000,0x0000,0x0000,0x0000,0x00FF,0x0000,0x0000
};
static const uchar *uni_to_cs[256]={
pl00,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,pl0E,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,
NULL,NULL,NULL,NULL,NULL,NULL,NULL,plFF
};


static
int my_mb_wc_tis620(const CHARSET_INFO *cs  MY_ATTRIBUTE((unused)),
		  my_wc_t *wc,
		  const uchar *str,
		  const uchar *end MY_ATTRIBUTE((unused)))
{
  if (str >= end)
    return MY_CS_TOOSMALL;
  
  *wc=cs_to_uni[*str];
  return (!wc[0] && str[0]) ? -1 : 1;
}

static
int my_wc_mb_tis620(const CHARSET_INFO *cs  MY_ATTRIBUTE((unused)),
		  my_wc_t wc,
		  uchar *str,
		  uchar *end MY_ATTRIBUTE((unused)))
{
  const uchar *pl;

  if (str >= end)
    return MY_CS_TOOSMALL;

  pl= uni_to_cs[(wc>>8) & 0xFF];
  str[0]= pl ? pl[wc & 0xFF] : '\0';
  return (!str[0] && wc) ? MY_CS_ILUNI : 1;
}


static MY_COLLATION_HANDLER my_collation_ci_handler =
{
    NULL,		/* init */
    my_strnncoll_tis620,
    my_strnncollsp_tis620,
    my_strnxfrm_tis620,
    my_strnxfrmlen_simple,
    my_like_range_simple,
    my_wildcmp_8bit,	/* wildcmp   */
    my_strcasecmp_8bit,
    my_instr_simple,				/* QQ: To be fixed */
    my_hash_sort_simple,
    my_propagate_simple
};

static MY_CHARSET_HANDLER my_charset_handler=
{
    NULL,		/* init */
    NULL,		/* ismbchar  */
    my_mbcharlen_8bit,	/* mbcharlen */
    my_numchars_8bit,
    my_charpos_8bit,
    my_well_formed_len_8bit,
    my_lengthsp_8bit,
    my_numcells_8bit,
    my_mb_wc_tis620,	/* mb_wc     */
    my_wc_mb_tis620,	/* wc_mb     */
    my_mb_ctype_8bit,
    my_caseup_str_8bit,
    my_casedn_str_8bit,
    my_caseup_8bit,
    my_casedn_8bit,
    my_snprintf_8bit,
    my_long10_to_str_8bit,
    my_longlong10_to_str_8bit,
    my_fill_8bit,
    my_strntol_8bit,
    my_strntoul_8bit,
    my_strntoll_8bit,
    my_strntoull_8bit,
    my_strntod_8bit,
    my_strtoll10_8bit,
    my_strntoull10rnd_8bit,
    my_scan_8bit
};



CHARSET_INFO my_charset_tis620_thai_ci=
{
    18,0,0,		/* number    */
    MY_CS_COMPILED|MY_CS_PRIMARY|MY_CS_STRNXFRM,	/* state     */
    "tis620",		/* cs name    */
    "tis620_thai_ci",	/* name      */
    "",			/* comment   */
    NULL,		/* tailoring */
    ctype_tis620,
    to_lower_tis620,
    to_upper_tis620,
    sort_order_tis620,
    NULL,		/* uca          */
    NULL,		/* tab_to_uni   */
    NULL,		/* tab_from_uni */
    &my_unicase_default,/* caseinfo     */
    NULL,		/* state_map    */
    NULL,		/* ident_map    */
    4,			/* strxfrm_multiply */
    1,                  /* caseup_multiply  */
    1,                  /* casedn_multiply  */
    1,			/* mbminlen   */
    1,			/* mbmaxlen   */
    1,			/* mbmaxlenlen */
    0,			/* min_sort_char */
    255,		/* max_sort_char */
    ' ',                /* pad char      */
    0,                  /* escape_with_backslash_is_dangerous */
    1,                  /* levels_for_compare */
    1,                  /* levels_for_order   */
    &my_charset_handler,
    &my_collation_ci_handler
};

CHARSET_INFO my_charset_tis620_bin=
{
    89,0,0,		/* number    */
    MY_CS_COMPILED|MY_CS_BINSORT,	/* state     */
    "tis620",		/* cs name    */
    "tis620_bin",	/* name      */
    "",			/* comment   */
    NULL,		/* tailoring */
    ctype_tis620,
    to_lower_tis620,
    to_upper_tis620,
    NULL,		/* sort_order   */
    NULL,		/* uca          */
    NULL,		/* tab_to_uni   */
    NULL,		/* tab_from_uni */
    &my_unicase_default,/* caseinfo     */
    NULL,		/* state_map    */
    NULL,		/* ident_map    */
    1,			/* strxfrm_multiply */
    1,                  /* caseup_multiply  */
    1,                  /* casedn_multiply  */
    1,			/* mbminlen   */
    1,			/* mbmaxlen   */
    1,			/* mbmaxlenlen */
    0,			/* min_sort_char */
    255,		/* max_sort_char */
    ' ',                /* pad char      */
    0,                  /* escape_with_backslash_is_dangerous */
    1,                  /* levels_for_compare */
    1,                  /* levels_for_order   */
    &my_charset_handler,
    &my_collation_8bit_bin_handler
};


#endif