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LCOV - code coverage report
Current view: top level - ext/mysqlnd - mysqlnd_charset.c (source / functions) Hit Total Coverage
Test: PHP Code Coverage Lines: 122 249 49.0 %
Date: 2014-04-18 Functions: 23 32 71.9 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :   +----------------------------------------------------------------------+
       3             :   | PHP Version 5                                                        |
       4             :   +----------------------------------------------------------------------+
       5             :   | Copyright (c) 2006-2013 The PHP Group                                |
       6             :   +----------------------------------------------------------------------+
       7             :   | This source file is subject to version 3.01 of the PHP license,      |
       8             :   | that is bundled with this package in the file LICENSE, and is        |
       9             :   | available through the world-wide-web at the following url:           |
      10             :   | http://www.php.net/license/3_01.txt                                  |
      11             :   | If you did not receive a copy of the PHP license and are unable to   |
      12             :   | obtain it through the world-wide-web, please send a note to          |
      13             :   | license@php.net so we can mail you a copy immediately.               |
      14             :   +----------------------------------------------------------------------+
      15             :   | Authors: Georg Richter <georg@mysql.com>                             |
      16             :   |          Andrey Hristov <andrey@mysql.com>                           |
      17             :   |          Ulf Wendel <uwendel@mysql.com>                              |
      18             :   +----------------------------------------------------------------------+
      19             : */
      20             : #include "php.h"
      21             : #include "php_globals.h"
      22             : #include "mysqlnd.h"
      23             : #include "mysqlnd_priv.h"
      24             : #include "mysqlnd_debug.h"
      25             : 
      26             : /* {{{ utf8 functions */
      27           7 : static unsigned int check_mb_utf8mb3_sequence(const char *start, const char *end)
      28             : {
      29             :         zend_uchar      c;
      30             : 
      31           7 :         if (start >= end) {
      32           0 :                 return 0;
      33             :         }
      34             : 
      35           7 :         c = (zend_uchar) start[0];
      36             : 
      37           7 :         if (c < 0x80) {
      38           7 :                 return 1;               /* single byte character */
      39             :         }
      40           0 :         if (c < 0xC2) {
      41           0 :                 return 0;               /* invalid mb character */
      42             :         }
      43           0 :         if (c < 0xE0) {
      44           0 :                 if (start + 2 > end) {
      45           0 :                         return 0;       /* too small */
      46             :                 }
      47           0 :                 if (!(((zend_uchar)start[1] ^ 0x80) < 0x40)) {
      48           0 :                         return 0;
      49             :                 }
      50           0 :                 return 2;
      51             :         }
      52           0 :         if (c < 0xF0) {
      53           0 :                 if (start + 3 > end) {
      54           0 :                         return 0;       /* too small */
      55             :                 }
      56           0 :                 if (!(((zend_uchar)start[1] ^ 0x80) < 0x40 && ((zend_uchar)start[2] ^ 0x80) < 0x40 &&
      57           0 :                         (c >= 0xE1 || (zend_uchar)start[1] >= 0xA0))) {
      58           0 :                         return 0;       /* invalid utf8 character */
      59             :                 }
      60           0 :                 return 3;
      61             :         }
      62           0 :         return 0;
      63             : }
      64             : 
      65             : 
      66           0 : static unsigned int check_mb_utf8_sequence(const char *start, const char *end)
      67             : {
      68             :         zend_uchar      c;
      69             : 
      70           0 :         if (start >= end) {
      71           0 :                 return 0;
      72             :         }
      73             : 
      74           0 :         c = (zend_uchar) start[0];
      75             : 
      76           0 :         if (c < 0x80) {
      77           0 :                 return 1;               /* single byte character */
      78             :         }
      79           0 :         if (c < 0xC2) {
      80           0 :                 return 0;               /* invalid mb character */
      81             :         }
      82           0 :         if (c < 0xE0) {
      83           0 :                 if (start + 2 > end) {
      84           0 :                         return 0;       /* too small */
      85             :                 }
      86           0 :                 if (!(((zend_uchar)start[1] ^ 0x80) < 0x40)) {
      87           0 :                         return 0;
      88             :                 }
      89           0 :                 return 2;
      90             :         }
      91           0 :         if (c < 0xF0) {
      92           0 :                 if (start + 3 > end) {
      93           0 :                         return 0;       /* too small */
      94             :                 }
      95           0 :                 if (!(((zend_uchar)start[1] ^ 0x80) < 0x40 && ((zend_uchar)start[2] ^ 0x80) < 0x40 &&
      96           0 :                         (c >= 0xE1 || (zend_uchar)start[1] >= 0xA0))) {
      97           0 :                         return 0;       /* invalid utf8 character */
      98             :                 }
      99           0 :                 return 3;
     100             :         }
     101           0 :         if (c < 0xF5) {
     102           0 :                 if (start + 4 > end) { /* We need 4 characters */
     103           0 :                         return 0;       /* too small */
     104             :                 }
     105             : 
     106             :                 /*
     107             :                   UTF-8 quick four-byte mask:
     108             :                   11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
     109             :                   Encoding allows to encode U+00010000..U+001FFFFF
     110             : 
     111             :                   The maximum character defined in the Unicode standard is U+0010FFFF.
     112             :                   Higher characters U+00110000..U+001FFFFF are not used.
     113             : 
     114             :                   11110000.10010000.10xxxxxx.10xxxxxx == F0.90.80.80 == U+00010000 (min)
     115             :                   11110100.10001111.10111111.10111111 == F4.8F.BF.BF == U+0010FFFF (max)
     116             : 
     117             :                   Valid codes:
     118             :                   [F0][90..BF][80..BF][80..BF]
     119             :                   [F1][80..BF][80..BF][80..BF]
     120             :                   [F2][80..BF][80..BF][80..BF]
     121             :                   [F3][80..BF][80..BF][80..BF]
     122             :                   [F4][80..8F][80..BF][80..BF]
     123             :                 */
     124             : 
     125           0 :                 if (!(((zend_uchar)start[1] ^ 0x80) < 0x40 &&
     126           0 :                         ((zend_uchar)start[2] ^ 0x80) < 0x40 &&
     127           0 :                         ((zend_uchar)start[3] ^ 0x80) < 0x40 &&
     128           0 :                                 (c >= 0xf1 || (zend_uchar)start[1] >= 0x90) &&
     129           0 :                                 (c <= 0xf3 || (zend_uchar)start[1] <= 0x8F)))
     130             :                 {
     131           0 :                         return 0;       /* invalid utf8 character */
     132             :                 }
     133           0 :                 return 4;
     134             :         }
     135           0 :         return 0;
     136             : }
     137             : 
     138           7 : static unsigned int check_mb_utf8mb3_valid(const char *start, const char *end)
     139             : {
     140           7 :         unsigned int len = check_mb_utf8mb3_sequence(start, end);
     141           7 :         return (len > 1)? len:0;
     142             : }
     143             : 
     144           0 : static unsigned int check_mb_utf8_valid(const char *start, const char *end)
     145             : {
     146           0 :         unsigned int len = check_mb_utf8_sequence(start, end);
     147           0 :         return (len > 1)? len:0;
     148             : }
     149             : 
     150             : 
     151           7 : static unsigned int mysqlnd_mbcharlen_utf8mb3(unsigned int utf8)
     152             : {
     153           7 :         if (utf8 < 0x80) {
     154           7 :                 return 1;               /* single byte character */
     155             :         }
     156           0 :         if (utf8 < 0xC2) {
     157           0 :                 return 0;               /* invalid multibyte header */
     158             :         }
     159           0 :         if (utf8 < 0xE0) {
     160           0 :                 return 2;               /* double byte character */
     161             :         }
     162           0 :         if (utf8 < 0xF0) {
     163           0 :                 return 3;               /* triple byte character */
     164             :         }
     165           0 :         return 0;
     166             : }
     167             : 
     168             : 
     169           0 : static unsigned int mysqlnd_mbcharlen_utf8(unsigned int utf8)
     170             : {
     171           0 :         if (utf8 < 0x80) {
     172           0 :                 return 1;               /* single byte character */
     173             :         }
     174           0 :         if (utf8 < 0xC2) {
     175           0 :                 return 0;               /* invalid multibyte header */
     176             :         }
     177           0 :         if (utf8 < 0xE0) {
     178           0 :                 return 2;               /* double byte character */
     179             :         }
     180           0 :         if (utf8 < 0xF0) {
     181           0 :                 return 3;               /* triple byte character */
     182             :         }
     183           0 :         if (utf8 < 0xF8) {
     184           0 :                 return 4;               /* four byte character */
     185             :         }
     186           0 :         return 0;
     187             : }
     188             : /* }}} */
     189             : 
     190             : 
     191             : /* {{{ big5 functions */
     192             : #define valid_big5head(c)       (0xA1 <= (unsigned int)(c) && (unsigned int)(c) <= 0xF9)
     193             : #define valid_big5tail(c)       ((0x40 <= (unsigned int)(c) && (unsigned int)(c) <= 0x7E) || \
     194             :                                                         (0xA1 <= (unsigned int)(c) && (unsigned int)(c) <= 0xFE))
     195             : 
     196             : #define isbig5code(c,d) (isbig5head(c) && isbig5tail(d))
     197             : 
     198         157 : static unsigned int check_mb_big5(const char *start, const char *end)
     199             : {
     200         157 :         return (valid_big5head(*(start)) && (end - start) > 1 && valid_big5tail(*(start + 1)) ? 2 : 0);
     201             : }
     202             : 
     203             : 
     204         157 : static unsigned int mysqlnd_mbcharlen_big5(unsigned int big5)
     205             : {
     206         157 :         return (valid_big5head(big5)) ? 2 : 1;
     207             : }
     208             : /* }}} */
     209             : 
     210             : 
     211             : /* {{{ cp932 functions */
     212             : #define valid_cp932head(c) ((0x81 <= (c) && (c) <= 0x9F) || (0xE0 <= (c) && c <= 0xFC))
     213             : #define valid_cp932tail(c) ((0x40 <= (c) && (c) <= 0x7E) || (0x80 <= (c) && c <= 0xFC))
     214             : 
     215             : 
     216           8 : static unsigned int check_mb_cp932(const char *start, const char *end)
     217             : {
     218           8 :         return (valid_cp932head((zend_uchar)start[0]) && (end - start >  1) &&
     219           0 :                         valid_cp932tail((zend_uchar)start[1])) ? 2 : 0;
     220             : }
     221             : 
     222             : 
     223           8 : static unsigned int mysqlnd_mbcharlen_cp932(unsigned int cp932)
     224             : {
     225           8 :         return (valid_cp932head((zend_uchar)cp932)) ? 2 : 1;
     226             : }
     227             : /* }}} */
     228             : 
     229             : 
     230             : /* {{{ euckr functions */
     231             : #define valid_euckr(c)  ((0xA1 <= (zend_uchar)(c) && (zend_uchar)(c) <= 0xFE))
     232             : 
     233          50 : static unsigned int check_mb_euckr(const char *start, const char *end)
     234             : {
     235          50 :         if (end - start <= 1) {
     236           4 :                 return 0;       /* invalid length */
     237             :         }
     238          46 :         if (*(zend_uchar *)start < 0x80) {
     239          10 :                 return 0;       /* invalid euckr character */
     240             :         }
     241          36 :         if (valid_euckr(start[1])) {
     242          36 :                 return 2;
     243             :         }
     244           0 :         return 0;
     245             : }
     246             : 
     247             : 
     248          14 : static unsigned int mysqlnd_mbcharlen_euckr(unsigned int kr)
     249             : {
     250          14 :         return (valid_euckr(kr)) ? 2 : 1;
     251             : }
     252             : /* }}} */
     253             : 
     254             : 
     255             : /* {{{ eucjpms functions */
     256             : #define valid_eucjpms(c)                (((c) & 0xFF) >= 0xA1 && ((c) & 0xFF) <= 0xFE)
     257             : #define valid_eucjpms_kata(c)   (((c) & 0xFF) >= 0xA1 && ((c) & 0xFF) <= 0xDF)
     258             : #define valid_eucjpms_ss2(c)    (((c) & 0xFF) == 0x8E)
     259             : #define valid_eucjpms_ss3(c)    (((c) & 0xFF) == 0x8F)
     260             : 
     261         124 : static unsigned int check_mb_eucjpms(const char *start, const char *end)
     262             : {
     263         124 :         if (*((zend_uchar *)start) < 0x80) {
     264          16 :                 return 0;       /* invalid eucjpms character */
     265             :         }
     266         108 :         if (valid_eucjpms(start[0]) && (end - start) > 1 && valid_eucjpms(start[1])) {
     267         108 :                 return 2;
     268             :         }
     269           0 :         if (valid_eucjpms_ss2(start[0]) && (end - start) > 1 && valid_eucjpms_kata(start[1])) {
     270           0 :                 return 2;
     271             :         }
     272           0 :         if (valid_eucjpms_ss3(start[0]) && (end - start) > 2 && valid_eucjpms(start[1]) &&
     273           0 :                 valid_eucjpms(start[2])) {
     274           0 :                 return 2;
     275             :         }
     276           0 :         return 0;
     277             : }
     278             : 
     279             : 
     280          16 : static unsigned int mysqlnd_mbcharlen_eucjpms(unsigned int jpms)
     281             : {
     282          16 :         if (valid_eucjpms(jpms) || valid_eucjpms_ss2(jpms)) {
     283           0 :                 return 2;
     284             :         }
     285          16 :         if (valid_eucjpms_ss3(jpms)) {
     286           0 :                 return 3;
     287             :         }
     288          16 :         return 1;
     289             : }
     290             : /* }}} */
     291             : 
     292             : 
     293             : /* {{{ gb2312 functions */
     294             : #define valid_gb2312_head(c)    (0xA1 <= (zend_uchar)(c) && (zend_uchar)(c) <= 0xF7)
     295             : #define valid_gb2312_tail(c)    (0xA1 <= (zend_uchar)(c) && (zend_uchar)(c) <= 0xFE)
     296             : 
     297             : 
     298          39 : static unsigned int check_mb_gb2312(const char *start, const char *end)
     299             : {
     300          87 :         return (valid_gb2312_head((unsigned int)start[0]) && end - start > 1 &&
     301          48 :                         valid_gb2312_tail((unsigned int)start[1])) ? 2 : 0;
     302             : }
     303             : 
     304             : 
     305          15 : static unsigned int mysqlnd_mbcharlen_gb2312(unsigned int gb)
     306             : {
     307          15 :         return (valid_gb2312_head(gb)) ? 2 : 1;
     308             : }
     309             : /* }}} */
     310             : 
     311             : 
     312             : /* {{{ gbk functions */
     313             : #define valid_gbk_head(c)       (0x81<=(zend_uchar)(c) && (zend_uchar)(c)<=0xFE)
     314             : #define valid_gbk_tail(c)       ((0x40<=(zend_uchar)(c) && (zend_uchar)(c)<=0x7E) || (0x80<=(zend_uchar)(c) && (zend_uchar)(c)<=0xFE))
     315             : 
     316          61 : static unsigned int check_mb_gbk(const char *start, const char *end)
     317             : {
     318          61 :         return (valid_gbk_head(start[0]) && (end) - (start) > 1 && valid_gbk_tail(start[1])) ? 2 : 0;
     319             : }
     320             : 
     321          12 : static unsigned int mysqlnd_mbcharlen_gbk(unsigned int gbk)
     322             : {
     323          12 :         return (valid_gbk_head(gbk) ? 2 : 1);
     324             : }
     325             : /* }}} */
     326             : 
     327             : 
     328             : /* {{{  functions */
     329             : #define valid_sjis_head(c)      ((0x81 <= (c) && (c) <= 0x9F) || (0xE0 <= (c) && (c) <= 0xFC))
     330             : #define valid_sjis_tail(c)      ((0x40 <= (c) && (c) <= 0x7E) || (0x80 <= (c) && (c) <= 0xFC))
     331             : 
     332             : 
     333          62 : static unsigned int check_mb_sjis(const char *start, const char *end)
     334             : {
     335          62 :         return (valid_sjis_head((zend_uchar)start[0]) && (end - start) > 1 && valid_sjis_tail((zend_uchar)start[1])) ? 2 : 0;
     336             : }
     337             : 
     338             : 
     339          61 : static unsigned int mysqlnd_mbcharlen_sjis(unsigned int sjis)
     340             : {
     341          61 :         return (valid_sjis_head((zend_uchar)sjis)) ? 2 : 1;
     342             : }
     343             : /* }}} */
     344             : 
     345             : 
     346             : /* {{{ ucs2 functions */
     347           0 : static unsigned int check_mb_ucs2(const char *start __attribute((unused)), const char *end __attribute((unused)))
     348             : {
     349           0 :         return 2; /* always 2 */
     350             : }
     351             : 
     352           0 : static unsigned int mysqlnd_mbcharlen_ucs2(unsigned int ucs2 __attribute((unused)))
     353             : {
     354           0 :         return 2; /* always 2 */
     355             : }
     356             : /* }}} */
     357             : 
     358             : 
     359             : /* {{{ ujis functions */
     360             : #define valid_ujis(c)           ((0xA1 <= ((c)&0xFF) && ((c)&0xFF) <= 0xFE))
     361             : #define valid_ujis_kata(c)  ((0xA1 <= ((c)&0xFF) && ((c)&0xFF) <= 0xDF))
     362             : #define valid_ujis_ss2(c)       (((c)&0xFF) == 0x8E)
     363             : #define valid_ujis_ss3(c)       (((c)&0xFF) == 0x8F)
     364             : 
     365           7 : static unsigned int check_mb_ujis(const char *start, const char *end)
     366             : {
     367           7 :         if (*(zend_uchar*)start < 0x80) {
     368           7 :                 return 0;       /* invalid ujis character */
     369             :         }
     370           0 :         if (valid_ujis(*(start)) && valid_ujis(*((start)+1))) {
     371           0 :                 return 2;
     372             :         }
     373           0 :         if (valid_ujis_ss2(*(start)) && valid_ujis_kata(*((start)+1))) {
     374           0 :                 return 2;
     375             :         }
     376           0 :         if (valid_ujis_ss3(*(start)) && (end-start) > 2 && valid_ujis(*((start)+1)) && valid_ujis(*((start)+2))) {
     377           0 :                 return 3;
     378             :         }
     379           0 :         return 0;
     380             : }
     381             : 
     382             : 
     383           7 : static unsigned int mysqlnd_mbcharlen_ujis(unsigned int ujis)
     384             : {
     385           7 :         return (valid_ujis(ujis)? 2: valid_ujis_ss2(ujis)? 2: valid_ujis_ss3(ujis)? 3: 1);
     386             : }
     387             : /* }}} */
     388             : 
     389             : 
     390             : 
     391             : /* {{{ utf16 functions */
     392             : #define UTF16_HIGH_HEAD(x)  ((((zend_uchar) (x)) & 0xFC) == 0xD8)
     393             : #define UTF16_LOW_HEAD(x)   ((((zend_uchar) (x)) & 0xFC) == 0xDC)
     394             : 
     395           0 : static unsigned int check_mb_utf16(const char *start, const char *end)
     396             : {
     397           0 :         if (start + 2 > end) {
     398           0 :                 return 0;
     399             :         }
     400             : 
     401           0 :         if (UTF16_HIGH_HEAD(*start)) {
     402           0 :                 return (start + 4 <= end) && UTF16_LOW_HEAD(start[2]) ? 4 : 0;
     403             :         }
     404             : 
     405           0 :         if (UTF16_LOW_HEAD(*start)) {
     406           0 :                 return 0;
     407             :         }
     408           0 :         return 2;
     409             : }
     410             : 
     411             : 
     412           0 : static uint mysqlnd_mbcharlen_utf16(unsigned int utf16)
     413             : {
     414           0 :   return UTF16_HIGH_HEAD(utf16) ? 4 : 2;
     415             : }
     416             : /* }}} */
     417             : 
     418             : 
     419             : /* {{{ utf32 functions */
     420             : static uint
     421           0 : check_mb_utf32(const char *start __attribute((unused)), const char *end __attribute((unused)))
     422             : {
     423           0 :         return 4;
     424             : }
     425             : 
     426             : 
     427             : static uint
     428           0 : mysqlnd_mbcharlen_utf32(unsigned int utf32 __attribute((unused)))
     429             : {
     430           0 :         return 4;
     431             : }
     432             : /* }}} */
     433             : 
     434             : /*
     435             :   The server compiles sometimes the full utf-8 (the mb4) as utf8m4, and the old as utf8,
     436             :   for BC reasons. Sometimes, utf8mb4 is just utf8 but the old charsets are utf8mb3.
     437             :   Change easily now, with a macro, could be made compilastion dependable.
     438             : */
     439             : 
     440             : #define UTF8_MB4 "utf8mb4"
     441             : #define UTF8_MB3 "utf8"
     442             : 
     443             : /* {{{ mysqlnd_charsets */
     444             : const MYSQLND_CHARSET mysqlnd_charsets[] =
     445             : {
     446             :         {   1, "big5","big5_chinese_ci", 1, 2, "", mysqlnd_mbcharlen_big5, check_mb_big5},
     447             :         {   3, "dec8", "dec8_swedisch_ci", 1, 1, "", NULL, NULL},
     448             :         {   4, "cp850", "cp850_general_ci", 1, 1, "", NULL, NULL},
     449             :         {   6, "hp8", "hp8_english_ci", 1, 1, "", NULL, NULL},
     450             :         {   7, "koi8r", "koi8r_general_ci", 1, 1, "", NULL, NULL},
     451             :         {   8, "latin1", "latin1_swedish_ci", 1, 1, "", NULL, NULL},
     452             :         {   5, "latin1", "latin1_german_ci", 1, 1, "", NULL, NULL}, /* should be after 0x9 because swedish_ci is the default collation */
     453             :         {   9, "latin2", "latin2_general_ci", 1, 1, "", NULL, NULL},
     454             :         {   2, "latin2", "latin2_czech_cs", 1, 1, "", NULL, NULL}, /* should be after 0x9 because general_ci is the default collation */
     455             :         {  10, "swe7", "swe7_swedish_ci", 1, 1, "", NULL, NULL},
     456             :         {  11, "ascii", "ascii_general_ci", 1, 1, "", NULL, NULL},
     457             :         {  12, "ujis", "ujis_japanese_ci", 1, 3, "", mysqlnd_mbcharlen_ujis, check_mb_ujis},
     458             :         {  13, "sjis", "sjis_japanese_ci", 1, 2, "", mysqlnd_mbcharlen_sjis, check_mb_sjis},
     459             :         {  16, "hebrew", "hebrew_general_ci", 1, 1, "", NULL, NULL},
     460             :         {  17, "filename", "filename", 1, 5, "", NULL, NULL},
     461             :         {  18, "tis620", "tis620_thai_ci", 1, 1, "", NULL, NULL},
     462             :         {  19, "euckr", "euckr_korean_ci", 1, 2, "", mysqlnd_mbcharlen_euckr, check_mb_euckr},
     463             :         {  21, "latin2", "latin2_hungarian_ci", 1, 1, "", NULL, NULL},
     464             :         {  27, "latin2", "latin2_croatian_ci", 1, 1, "", NULL, NULL},
     465             :         {  22, "koi8u", "koi8u_general_ci", 1, 1, "", NULL, NULL},
     466             :         {  24, "gb2312", "gb2312_chinese_ci", 1, 2, "", mysqlnd_mbcharlen_gb2312, check_mb_gb2312},
     467             :         {  25, "greek", "greek_general_ci", 1, 1, "", NULL, NULL},
     468             :         {  26, "cp1250", "cp1250_general_ci", 1, 1, "", NULL, NULL},
     469             :         {  28, "gbk", "gbk_chinese_ci", 1, 2, "", mysqlnd_mbcharlen_gbk, check_mb_gbk},
     470             :         {  30, "latin5", "latin5_turkish_ci", 1, 1, "", NULL, NULL},
     471             :         {  31, "latin1", "latin1_german2_ci", 1, 1, "", NULL, NULL},
     472             :         {  15, "latin1", "latin1_danish_ci", 1, 1, "", NULL, NULL},
     473             :         {  32, "armscii8", "armscii8_general_ci", 1, 1, "", NULL, NULL},
     474             :         {  33, UTF8_MB3, UTF8_MB3"_general_ci", 1, 3, "UTF-8 Unicode", mysqlnd_mbcharlen_utf8mb3,  check_mb_utf8mb3_valid},
     475             :         {  35, "ucs2", "ucs2_general_ci", 2, 2, "UCS-2 Unicode", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     476             :         {  36, "cp866", "cp866_general_ci", 1, 1, "", NULL, NULL},
     477             :         {  37, "keybcs2", "keybcs2_general_ci", 1, 1, "", NULL, NULL},
     478             :         {  38, "macce", "macce_general_ci", 1, 1, "", NULL, NULL},
     479             :         {  39, "macroman", "macroman_general_ci", 1, 1, "", NULL, NULL},
     480             :         {  40, "cp852", "cp852_general_ci", 1, 1, "", NULL, NULL},
     481             :         {  41, "latin7", "latin7_general_ci", 1, 1, "", NULL, NULL},
     482             :         {  20, "latin7", "latin7_estonian_cs", 1, 1, "", NULL, NULL},
     483             :         {  57, "cp1256", "cp1256_general_ci", 1, 1, "", NULL, NULL},
     484             :         {  59, "cp1257", "cp1257_general_ci", 1, 1, "", NULL, NULL},
     485             :         {  63, "binary", "binary", 1, 1, "", NULL, NULL},
     486             :         {  97, "eucjpms", "eucjpms_japanese_ci", 1, 3, "", mysqlnd_mbcharlen_eucjpms, check_mb_eucjpms},
     487             :         {  29, "cp1257", "cp1257_lithunian_ci", 1, 1, "", NULL, NULL},
     488             :         {  31, "latin1", "latin1_german2_ci", 1, 1, "", NULL, NULL},
     489             :         {  34, "cp1250", "cp1250_czech_cs", 1, 1, "", NULL, NULL},
     490             :         {  42, "latin7", "latin7_general_cs", 1, 1, "", NULL, NULL},
     491             :         {  43, "macce", "macce_bin", 1, 1, "", NULL, NULL},
     492             :         {  44, "cp1250", "cp1250_croatian_ci", 1, 1, "", NULL, NULL},
     493             :         {  45, UTF8_MB4, UTF8_MB4"_general_ci", 1, 3, "UTF-8 Unicode", mysqlnd_mbcharlen_utf8,  check_mb_utf8_valid},
     494             :         {  46, UTF8_MB4, UTF8_MB4"_bin", 1, 3, "UTF-8 Unicode", mysqlnd_mbcharlen_utf8,  check_mb_utf8_valid},
     495             :         {  47, "latin1", "latin1_bin", 1, 1, "", NULL, NULL},
     496             :         {  48, "latin1", "latin1_general_ci", 1, 1, "", NULL, NULL},
     497             :         {  49, "latin1", "latin1_general_cs", 1, 1, "", NULL, NULL},
     498             :         {  51, "cp1251", "cp1251_general_ci", 1, 1, "", NULL, NULL},
     499             :         {  14, "cp1251", "cp1251_bulgarian_ci", 1, 1, "", NULL, NULL},
     500             :         {  23, "cp1251", "cp1251_ukrainian_ci", 1, 1, "", NULL, NULL},
     501             :         {  50, "cp1251", "cp1251_bin", 1, 1, "", NULL, NULL},
     502             :         {  52, "cp1251", "cp1251_general_cs", 1, 1, "", NULL, NULL},
     503             :         {  53, "macroman", "macroman_bin", 1, 1, "", NULL, NULL},
     504             :         {  54, "utf16", "utf16_general_ci", 2, 4, "UTF-16 Unicode", mysqlnd_mbcharlen_utf16, check_mb_utf16},
     505             :         {  55, "utf16", "utf16_bin", 2, 4, "UTF-16 Unicode", mysqlnd_mbcharlen_utf16, check_mb_utf16},
     506             :         {  58, "cp1257", "cp1257_bin", 1, 1, "", NULL, NULL},
     507             : #ifdef USED_TO_BE_SO_BEFORE_MYSQL_5_5
     508             :         {  60, "armascii8", "armascii8_bin", 1, 1, "", NULL, NULL},
     509             : #endif
     510             : /*55*/{  60, "utf32", "utf32_general_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     511             : /*55*/{  61, "utf32", "utf32_bin", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     512             :         {  65, "ascii", "ascii_bin", 1, 1, "", NULL, NULL},
     513             :         {  66, "cp1250", "cp1250_bin", 1, 1, "", NULL, NULL},
     514             :         {  67, "cp1256", "cp1256_bin", 1, 1, "", NULL, NULL},
     515             :         {  68, "cp866", "cp866_bin", 1, 1, "", NULL, NULL},
     516             :         {  69, "dec8", "dec8_bin", 1, 1, "", NULL, NULL},
     517             :         {  70, "greek", "greek_bin", 1, 1, "", NULL, NULL},
     518             :         {  71, "hebew", "hebrew_bin", 1, 1, "", NULL, NULL},
     519             :         {  72, "hp8", "hp8_bin", 1, 1, "", NULL, NULL},
     520             :         {  73, "keybcs2", "keybcs2_bin", 1, 1, "", NULL, NULL},
     521             :         {  74, "koi8r", "koi8r_bin", 1, 1, "", NULL, NULL},
     522             :         {  75, "koi8u", "koi8u_bin", 1, 1, "", NULL, NULL},
     523             :         {  77, "latin2", "latin2_bin", 1, 1, "", NULL, NULL},
     524             :         {  78, "latin5", "latin5_bin", 1, 1, "", NULL, NULL},
     525             :         {  79, "latin7", "latin7_bin", 1, 1, "", NULL, NULL},
     526             :         {  80, "cp850", "cp850_bin", 1, 1, "", NULL, NULL},
     527             :         {  81, "cp852", "cp852_bin", 1, 1, "", NULL, NULL},
     528             :         {  82, "swe7", "swe7_bin", 1, 1, "", NULL, NULL},
     529             :         {  83, UTF8_MB3, UTF8_MB3"_bin", 1, 3, "UTF-8 Unicode", mysqlnd_mbcharlen_utf8mb3,  check_mb_utf8mb3_valid},
     530             :         {  84, "big5", "big5_bin", 1, 2, "", mysqlnd_mbcharlen_big5, check_mb_big5},
     531             :         {  85, "euckr", "euckr_bin", 1, 2, "", mysqlnd_mbcharlen_euckr, check_mb_euckr},
     532             :         {  86, "gb2312", "gb2312_bin", 1, 2, "", mysqlnd_mbcharlen_gb2312, check_mb_gb2312},
     533             :         {  87, "gbk", "gbk_bin", 1, 2, "", mysqlnd_mbcharlen_gbk, check_mb_gbk},
     534             :         {  88, "sjis", "sjis_bin", 1, 2, "", mysqlnd_mbcharlen_sjis, check_mb_sjis},
     535             :         {  89, "tis620", "tis620_bin", 1, 1, "", NULL, NULL},
     536             :         {  90, "ucs2", "ucs2_bin", 2, 2, "UCS-2 Unicode", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     537             :         {  91, "ujis", "ujis_bin", 1, 3, "", mysqlnd_mbcharlen_ujis, check_mb_ujis},
     538             :         {  92, "geostd8", "geostd8_general_ci", 1, 1, "", NULL, NULL},
     539             :         {  93, "geostd8", "geostd8_bin", 1, 1, "", NULL, NULL},
     540             :         {  94, "latin1", "latin1_spanish_ci", 1, 1, "", NULL, NULL},
     541             :         {  95, "cp932", "cp932_japanese_ci", 1, 2, "", mysqlnd_mbcharlen_cp932, check_mb_cp932},
     542             :         {  96, "cp932", "cp932_bin", 1, 2, "", mysqlnd_mbcharlen_cp932, check_mb_cp932},
     543             :         {  97, "eucjpms", "eucjpms_japanese_ci", 1, 3, "", mysqlnd_mbcharlen_eucjpms, check_mb_eucjpms},
     544             :         {  98, "eucjpms", "eucjpms_bin", 1, 3, "", mysqlnd_mbcharlen_eucjpms, check_mb_eucjpms},
     545             :         {  99, "cp1250", "cp1250_polish_ci", 1, 1, "", NULL, NULL},
     546             :         { 128, "ucs2", "ucs2_unicode_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     547             :         { 129, "ucs2", "ucs2_icelandic_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     548             :         { 130, "ucs2", "ucs2_latvian_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     549             :         { 131, "ucs2", "ucs2_romanian_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     550             :         { 132, "ucs2", "ucs2_slovenian_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     551             :         { 133, "ucs2", "ucs2_polish_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     552             :         { 134, "ucs2", "ucs2_estonian_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     553             :         { 135, "ucs2", "ucs2_spanish_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     554             :         { 136, "ucs2", "ucs2_swedish_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     555             :         { 137, "ucs2", "ucs2_turkish_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     556             :         { 138, "ucs2", "ucs2_czech_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     557             :         { 139, "ucs2", "ucs2_danish_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     558             :         { 140, "ucs2", "ucs2_lithunian_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     559             :         { 141, "ucs2", "ucs2_slovak_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     560             :         { 142, "ucs2", "ucs2_spanish2_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     561             :         { 143, "ucs2", "ucs2_roman_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     562             :         { 144, "ucs2", "ucs2_persian_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     563             :         { 145, "ucs2", "ucs2_esperanto_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     564             :         { 146, "ucs2", "ucs2_hungarian_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     565             :         { 147, "ucs2", "ucs2_sinhala_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     566             :         { 148, "ucs2", "ucs2_german2_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     567             :         { 149, "ucs2", "ucs2_croatian_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     568             :         { 150, "ucs2", "ucs2_unicode_520_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     569             :         { 151, "ucs2", "ucs2_vietnamese_ci", 2, 2, "", mysqlnd_mbcharlen_ucs2, check_mb_ucs2},
     570             : 
     571             : /*56*/{160, "utf32", "utf32_unicode_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     572             : /*56*/{161, "utf32", "utf32_icelandic_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     573             : /*56*/{162, "utf32", "utf32_latvian_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     574             : /*56*/{163, "utf32", "utf32_romanian_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     575             : /*56*/{164, "utf32", "utf32_slovenian_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     576             : /*56*/{165, "utf32", "utf32_polish_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     577             : /*56*/{166, "utf32", "utf32_estonian_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     578             : /*56*/{167, "utf32", "utf32_spanish_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     579             : /*56*/{168, "utf32", "utf32_swedish_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     580             : /*56*/{169, "utf32", "utf32_turkish_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     581             : /*56*/{170, "utf32", "utf32_czech_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     582             : /*56*/{171, "utf32", "utf32_danish_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     583             : /*56*/{172, "utf32", "utf32_lithuanian_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     584             : /*56*/{173, "utf32", "utf32_slovak_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     585             : /*56*/{174, "utf32", "utf32_spanish2_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     586             : /*56*/{175, "utf32", "utf32_roman_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     587             : /*56*/{176, "utf32", "utf32_persian_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     588             : /*56*/{177, "utf32", "utf32_esperanto_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     589             : /*56*/{178, "utf32", "utf32_hungarian_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     590             : /*56*/{179, "utf32", "utf32_sinhala_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     591             : /*56*/{180, "utf32", "utf32_german2_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     592             : /*56*/{181, "utf32", "utf32_croatian_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     593             : /*56*/{182, "utf32", "utf32_unicode_520_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     594             : /*56*/{183, "utf32", "utf32_vietnamese_ci", 4, 4, "UTF-32 Unicode", mysqlnd_mbcharlen_utf32, check_mb_utf32},
     595             : 
     596             :         { 192, UTF8_MB3, UTF8_MB3"_general_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     597             :         { 193, UTF8_MB3, UTF8_MB3"_icelandic_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     598             :         { 194, UTF8_MB3, UTF8_MB3"_latvian_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3,  check_mb_utf8mb3_valid},
     599             :         { 195, UTF8_MB3, UTF8_MB3"_romanian_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     600             :         { 196, UTF8_MB3, UTF8_MB3"_slovenian_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     601             :         { 197, UTF8_MB3, UTF8_MB3"_polish_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     602             :         { 198, UTF8_MB3, UTF8_MB3"_estonian_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     603             :         { 199, UTF8_MB3, UTF8_MB3"_spanish_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     604             :         { 200, UTF8_MB3, UTF8_MB3"_swedish_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     605             :         { 201, UTF8_MB3, UTF8_MB3"_turkish_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     606             :         { 202, UTF8_MB3, UTF8_MB3"_czech_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     607             :         { 203, UTF8_MB3, UTF8_MB3"_danish_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid },
     608             :         { 204, UTF8_MB3, UTF8_MB3"_lithunian_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid },
     609             :         { 205, UTF8_MB3, UTF8_MB3"_slovak_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     610             :         { 206, UTF8_MB3, UTF8_MB3"_spanish2_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     611             :         { 207, UTF8_MB3, UTF8_MB3"_roman_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     612             :         { 208, UTF8_MB3, UTF8_MB3"_persian_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     613             :         { 209, UTF8_MB3, UTF8_MB3"_esperanto_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     614             :         { 210, UTF8_MB3, UTF8_MB3"_hungarian_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     615             :         { 211, UTF8_MB3, UTF8_MB3"_sinhala_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     616             :         { 211, UTF8_MB3, UTF8_MB3"_german2_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     617             :         { 213, UTF8_MB3, UTF8_MB3"_croatian_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     618             :         { 214, UTF8_MB3, UTF8_MB3"_unicode_520_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     619             :         { 215, UTF8_MB3, UTF8_MB3"_vietnamese_ci", 1, 3, "", mysqlnd_mbcharlen_utf8mb3, check_mb_utf8mb3_valid},
     620             : 
     621             :         { 224, UTF8_MB4, UTF8_MB4"_unicode_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     622             :         { 225, UTF8_MB4, UTF8_MB4"_icelandic_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     623             :         { 226, UTF8_MB4, UTF8_MB4"_latvian_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     624             :         { 227, UTF8_MB4, UTF8_MB4"_romanian_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     625             :         { 228, UTF8_MB4, UTF8_MB4"_slovenian_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     626             :         { 229, UTF8_MB4, UTF8_MB4"_polish_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     627             :         { 230, UTF8_MB4, UTF8_MB4"_estonian_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     628             :         { 231, UTF8_MB4, UTF8_MB4"_spanish_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     629             :         { 232, UTF8_MB4, UTF8_MB4"_swedish_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     630             :         { 233, UTF8_MB4, UTF8_MB4"_turkish_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     631             :         { 234, UTF8_MB4, UTF8_MB4"_czech_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     632             :         { 235, UTF8_MB4, UTF8_MB4"_danish_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     633             :         { 236, UTF8_MB4, UTF8_MB4"_lithuanian_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     634             :         { 237, UTF8_MB4, UTF8_MB4"_slovak_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     635             :         { 238, UTF8_MB4, UTF8_MB4"_spanish2_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     636             :         { 239, UTF8_MB4, UTF8_MB4"_roman_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     637             :         { 240, UTF8_MB4, UTF8_MB4"_persian_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     638             :         { 241, UTF8_MB4, UTF8_MB4"_esperanto_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     639             :         { 242, UTF8_MB4, UTF8_MB4"_hungarian_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     640             :         { 243, UTF8_MB4, UTF8_MB4"_sinhala_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     641             :         { 244, UTF8_MB4, UTF8_MB4"_german2_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     642             :         { 245, UTF8_MB4, UTF8_MB4"_croatian_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     643             :         { 246, UTF8_MB4, UTF8_MB4"_unicode_520_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     644             :         { 247, UTF8_MB4, UTF8_MB4"_vietnamese_ci", 1, 4, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     645             : 
     646             :         { 254, UTF8_MB3, UTF8_MB3"_general_cs", 1, 3, "", mysqlnd_mbcharlen_utf8, check_mb_utf8_valid},
     647             :         {   0, NULL, NULL, 0, 0, NULL, NULL, NULL}
     648             : };
     649             : /* }}} */
     650             : 
     651             : 
     652             : /* {{{ mysqlnd_find_charset_nr */
     653        3593 : PHPAPI const MYSQLND_CHARSET * mysqlnd_find_charset_nr(unsigned int charsetnr)
     654             : {
     655        3593 :         const MYSQLND_CHARSET * c = mysqlnd_charsets;
     656             : 
     657             :         do {
     658       21567 :                 if (c->nr == charsetnr) {
     659        3593 :                         return c;
     660             :                 }
     661       17974 :                 ++c;
     662       17974 :         } while (c[0].nr != 0);
     663           0 :         return NULL;
     664             : }
     665             : /* }}} */
     666             : 
     667             : 
     668             : /* {{{ mysqlnd_find_charset_name */
     669         108 : PHPAPI const MYSQLND_CHARSET * mysqlnd_find_charset_name(const char * const name)
     670             : {
     671         108 :         const MYSQLND_CHARSET *c = mysqlnd_charsets;
     672             : 
     673             :         do {
     674        2856 :                 if (!strcasecmp(c->name, name)) {
     675         105 :                         return c;
     676             :                 }
     677        2751 :                 ++c;
     678        2751 :         } while (c[0].nr != 0);
     679           3 :         return NULL;
     680             : }
     681             : /* }}} */
     682             : 
     683             : 
     684             : /* {{{ mysqlnd_cset_escape_quotes */
     685           7 : PHPAPI ulong mysqlnd_cset_escape_quotes(const MYSQLND_CHARSET * const cset, char *newstr,
     686             :                                                                                 const char * escapestr, size_t escapestr_len TSRMLS_DC)
     687             : {
     688           7 :         const char      *newstr_s = newstr;
     689           7 :         const char      *newstr_e = newstr + 2 * escapestr_len;
     690           7 :         const char      *end = escapestr + escapestr_len;
     691           7 :         zend_bool       escape_overflow = FALSE;
     692             : 
     693           7 :         DBG_ENTER("mysqlnd_cset_escape_quotes");
     694             : 
     695          20 :         for (;escapestr < end; escapestr++) {
     696          13 :                 unsigned int len = 0;
     697             :                 /* check unicode characters */
     698             : 
     699          13 :                 if (cset->char_maxlen > 1 && (len = cset->mb_valid(escapestr, end))) {
     700             : 
     701             :                         /* check possible overflow */
     702           0 :                         if ((newstr + len) > newstr_e) {
     703           0 :                                 escape_overflow = TRUE;
     704           0 :                                 break;
     705             :                         }
     706             :                         /* copy mb char without escaping it */
     707           0 :                         while (len--) {
     708           0 :                                 *newstr++ = *escapestr++;
     709             :                         }
     710           0 :                         escapestr--;
     711           0 :                         continue;
     712             :                 }
     713          13 :                 if (*escapestr == '\'') {
     714           1 :                         if (newstr + 2 > newstr_e) {
     715           0 :                                 escape_overflow = TRUE;
     716           0 :                                 break;
     717             :                         }
     718           1 :                         *newstr++ = '\'';
     719           1 :                         *newstr++ = '\'';
     720             :                 } else {
     721          12 :                         if (newstr + 1 > newstr_e) {
     722           0 :                                 escape_overflow = TRUE;
     723           0 :                                 break;
     724             :                         }
     725          12 :                         *newstr++ = *escapestr;
     726             :                 }
     727             :         }
     728           7 :         *newstr = '\0';
     729             : 
     730           7 :         if (escape_overflow) {
     731           0 :                 DBG_RETURN((ulong)~0);
     732             :         }
     733           7 :         DBG_RETURN((ulong)(newstr - newstr_s));
     734             : }
     735             : /* }}} */
     736             : 
     737             : 
     738             : /* {{{ mysqlnd_cset_escape_slashes */
     739        9469 : PHPAPI ulong mysqlnd_cset_escape_slashes(const MYSQLND_CHARSET * const cset, char *newstr,
     740             :                                                                                  const char * escapestr, size_t escapestr_len TSRMLS_DC)
     741             : {
     742        9469 :         const char      *newstr_s = newstr;
     743        9469 :         const char      *newstr_e = newstr + 2 * escapestr_len;
     744        9469 :         const char      *end = escapestr + escapestr_len;
     745        9469 :         zend_bool       escape_overflow = FALSE;
     746             : 
     747        9469 :         DBG_ENTER("mysqlnd_cset_escape_slashes");
     748        9469 :         DBG_INF_FMT("charset=%s", cset->name);
     749             : 
     750      492036 :         for (;escapestr < end; escapestr++) {
     751      482567 :                 char esc = '\0';
     752      482567 :                 unsigned int len = 0;
     753             : 
     754             :                 /* check unicode characters */
     755      482567 :                 if (cset->char_maxlen > 1 && (len = cset->mb_valid(escapestr, end))) {
     756             :                         /* check possible overflow */
     757         218 :                         if ((newstr + len) > newstr_e) {
     758           0 :                                 escape_overflow = TRUE;
     759           0 :                                 break;
     760             :                         }
     761             :                         /* copy mb char without escaping it */
     762         872 :                         while (len--) {
     763         436 :                                 *newstr++ = *escapestr++;
     764             :                         }
     765         218 :                         escapestr--;
     766         218 :                         continue;
     767             :                 }
     768      482349 :                 if (cset->char_maxlen > 1 && cset->mb_charlen(*escapestr) > 1) {
     769           0 :                         esc = *escapestr;
     770             :                 } else {
     771      482349 :                         switch (*escapestr) {
     772             :                                 case 0:
     773          17 :                                         esc = '0';
     774          17 :                                         break;
     775             :                                 case '\n':
     776          14 :                                         esc = 'n';
     777          14 :                                         break;
     778             :                                 case '\r':
     779          13 :                                         esc = 'r';
     780          13 :                                         break;
     781             :                                 case '\\':
     782             :                                 case '\'':
     783             :                                 case '"':
     784         104 :                                         esc = *escapestr;
     785         104 :                                         break;
     786             :                                 case '\032':
     787           2 :                                         esc = 'Z';
     788             :                                         break;
     789             :                         }
     790             :                 }
     791      482349 :                 if (esc) {
     792         150 :                         if (newstr + 2 > newstr_e) {
     793           0 :                                 escape_overflow = TRUE;
     794           0 :                                 break;
     795             :                         }
     796             :                         /* copy escaped character */
     797         150 :                         *newstr++ = '\\';
     798         150 :                         *newstr++ = esc;
     799             :                 } else {
     800      482199 :                         if (newstr + 1 > newstr_e) {
     801           0 :                                 escape_overflow = TRUE;
     802           0 :                                 break;
     803             :                         }
     804             :                         /* copy non escaped character */
     805      482199 :                         *newstr++ = *escapestr;
     806             :                 }
     807             :         }
     808        9469 :         *newstr = '\0';
     809             : 
     810        9469 :         if (escape_overflow) {
     811           0 :                 DBG_RETURN((ulong)~0);
     812             :         }
     813        9469 :         DBG_RETURN((ulong)(newstr - newstr_s));
     814             : }
     815             : /* }}} */
     816             : 
     817             : /*
     818             :  * Local variables:
     819             :  * tab-width: 4
     820             :  * c-basic-offset: 4
     821             :  * End:
     822             :  * vim600: noet sw=4 ts=4 fdm=marker
     823             :  * vim<600: noet sw=4 ts=4
     824             :  */

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