diff --git a/include/m_ctype.h b/include/m_ctype.h index f33fd015733..9f21ac16a05 100644 --- a/include/m_ctype.h +++ b/include/m_ctype.h @@ -281,10 +281,11 @@ extern CHARSET_INFO my_charset_tis620_thai_ci; extern CHARSET_INFO my_charset_tis620_bin; extern CHARSET_INFO my_charset_ucs2_general_ci; extern CHARSET_INFO my_charset_ucs2_bin; -extern CHARSET_INFO my_charset_ucs2_general_uca; +extern CHARSET_INFO my_charset_ucs2_unicode_ci; extern CHARSET_INFO my_charset_ujis_japanese_ci; extern CHARSET_INFO my_charset_ujis_bin; extern CHARSET_INFO my_charset_utf8_general_ci; +extern CHARSET_INFO my_charset_utf8_unicode_ci; extern CHARSET_INFO my_charset_utf8_bin; extern CHARSET_INFO my_charset_cp1250_czech_ci; diff --git a/mysql-test/r/ctype_ldml.result b/mysql-test/r/ctype_ldml.result new file mode 100644 index 00000000000..f3d3ff700f0 --- /dev/null +++ b/mysql-test/r/ctype_ldml.result @@ -0,0 +1,296 @@ +drop table if exists t1; +set names utf8; +show variables like 'character_sets_dir%'; +Variable_name Value +character_sets_dir MYSQL_TEST_DIR/std_data/ +show collation like 'utf8_test_ci'; +Collation Charset Id Default Compiled Sortlen +utf8_test_ci utf8 240 8 +create table t1 (c1 char(1) character set utf8 collate utf8_test_ci); +insert into t1 values ('a'); +select * from t1 where c1='b'; +c1 +a +drop table t1; +show collation like 'ucs2_test_ci'; +Collation Charset Id Default Compiled Sortlen +ucs2_test_ci ucs2 241 8 +create table t1 (c1 char(1) character set ucs2 collate ucs2_test_ci); +insert into t1 values ('a'); +select * from t1 where c1='b'; +c1 +a +drop table t1; +show collation like 'ucs2_vn_ci'; +Collation Charset Id Default Compiled Sortlen +ucs2_vn_ci ucs2 242 8 +create table t1 (c1 char(1) character set ucs2 collate ucs2_vn_ci); +insert into t1 values (0x0061),(0x0041),(0x00E0),(0x00C0),(0x1EA3),(0x1EA2), +(0x00E3),(0x00C3),(0x00E1),(0x00C1),(0x1EA1),(0x1EA0); +insert into t1 values (0x0103),(0x0102),(0x1EB1),(0x1EB0),(0x1EB3),(0x1EB2), +(0x1EB5),(0x1EB4),(0x1EAF),(0x1EAE),(0x1EB7),(0x1EB6); +insert into t1 values (0x00E2),(0x00C2),(0x1EA7),(0x1EA6),(0x1EA9),(0x1EA8), +(0x1EAB),(0x1EAA),(0x1EA5),(0x1EA4),(0x1EAD),(0x1EAC); +insert into t1 values ('b'),('B'),('c'),('C'); +insert into t1 values ('d'),('D'),(0x0111),(0x0110); +insert into t1 values (0x0065),(0x0045),(0x00E8),(0x00C8),(0x1EBB),(0x1EBA), +(0x1EBD),(0x1EBC),(0x00E9),(0x00C9),(0x1EB9),(0x1EB8); +insert into t1 values (0x00EA),(0x00CA),(0x1EC1),(0x1EC0),(0x1EC3),(0x1EC2), +(0x1EC5),(0x1EC4),(0x1EBF),(0x1EBE),(0x1EC7),(0x1EC6); +insert into t1 values ('g'),('G'),('h'),('H'); +insert into t1 values (0x0069),(0x0049),(0x00EC),(0x00CC),(0x1EC9),(0x1EC8), +(0x0129),(0x0128),(0x00ED),(0x00CD),(0x1ECB),(0x1ECA); +insert into t1 values ('k'),('K'),('l'),('L'),('m'),('M'); +insert into t1 values (0x006F),(0x004F),(0x00F2),(0x00D2),(0x1ECF),(0x1ECE), +(0x00F5),(0x00D5),(0x00F3),(0x00D3),(0x1ECD),(0x1ECC); +insert into t1 values (0x00F4),(0x00D4),(0x1ED3),(0x1ED2),(0x1ED5),(0x1ED4), +(0x1ED7),(0x1ED6),(0x1ED1),(0x1ED0),(0x1ED9),(0x1ED8); +insert into t1 values (0x01A1),(0x01A0),(0x1EDD),(0x1EDC),(0x1EDF),(0x1EDE), +(0x1EE1),(0x1EE0),(0x1EDB),(0x1EDA),(0x1EE3),(0x1EE2); +insert into t1 values ('p'),('P'),('q'),('Q'),('r'),('R'),('s'),('S'),('t'),('T'); +insert into t1 values (0x0075),(0x0055),(0x00F9),(0x00D9),(0x1EE7),(0x1EE6), +(0x0169),(0x0168),(0x00FA),(0x00DA),(0x1EE5),(0x1EE4); +insert into t1 values (0x01B0),(0x01AF),(0x1EEB),(0x1EEA),(0x1EED),(0x1EEC), +(0x1EEF),(0x1EEE),(0x1EE9),(0x1EE8),(0x1EF1),(0x1EF0); +insert into t1 values ('v'),('V'),('x'),('X'); +insert into t1 values (0x0079),(0x0059),(0x1EF3),(0x1EF2),(0x1EF7),(0x1EF6), +(0x1EF9),(0x1EF8),(0x00FD),(0x00DD),(0x1EF5),(0x1EF4); +select hex(c1) as h, c1 from t1 order by c1, h; +h c1 +0041 A +0061 a +00C0 À +00C1 Á +00C3 Ã +00E0 à +00E1 á +00E3 ã +1EA0 Ạ +1EA1 ạ +1EA2 Ả +1EA3 ả +0102 Ă +0103 ă +1EAE Ắ +1EAF ắ +1EB0 Ằ +1EB1 ằ +1EB2 Ẳ +1EB3 ẳ +1EB4 Ẵ +1EB5 ẵ +1EB6 Ặ +1EB7 ặ +00C2 Â +00E2 â +1EA4 Ấ +1EA5 ấ +1EA6 Ầ +1EA7 ầ +1EA8 Ẩ +1EA9 ẩ +1EAA Ẫ +1EAB ẫ +1EAC Ậ +1EAD ậ +0042 B +0062 b +0043 C +0063 c +0044 D +0064 d +0110 Đ +0111 đ +0045 E +0065 e +00C8 È +00C9 É +00E8 è +00E9 é +1EB8 Ẹ +1EB9 ẹ +1EBA Ẻ +1EBB ẻ +1EBC Ẽ +1EBD ẽ +00CA Ê +00EA ê +1EBE Ế +1EBF ế +1EC0 Ề +1EC1 ề +1EC2 Ể +1EC3 ể +1EC4 Ễ +1EC5 ễ +1EC6 Ệ +1EC7 ệ +0047 G +0067 g +0048 H +0068 h +0049 I +0069 i +00CC Ì +00CD Í +00EC ì +00ED í +0128 Ĩ +0129 ĩ +1EC8 Ỉ +1EC9 ỉ +1ECA Ị +1ECB ị +004B K +006B k +004C L +006C l +004D M +006D m +004F O +006F o +00D2 Ò +00D3 Ó +00D5 Õ +00F2 ò +00F3 ó +00F5 õ +1ECC Ọ +1ECD ọ +1ECE Ỏ +1ECF ỏ +00D4 Ô +00F4 ô +1ED0 Ố +1ED1 ố +1ED2 Ồ +1ED3 ồ +1ED4 Ổ +1ED5 ổ +1ED6 Ỗ +1ED7 ỗ +1ED8 Ộ +1ED9 ộ +01A0 Ơ +01A1 ơ +1EDA Ớ +1EDB ớ +1EDC Ờ +1EDD ờ +1EDE Ở +1EDF ở +1EE0 Ỡ +1EE1 ỡ +1EE2 Ợ +1EE3 ợ +0050 P +0070 p +0051 Q +0071 q +0052 R +0072 r +0053 S +0073 s +0054 T +0074 t +0055 U +0075 u +00D9 Ù +00DA Ú +00F9 ù +00FA ú +0168 Ũ +0169 ũ +1EE4 Ụ +1EE5 ụ +1EE6 Ủ +1EE7 ủ +01AF Ư +01B0 ư +1EE8 Ứ +1EE9 ứ +1EEA Ừ +1EEB ừ +1EEC Ử +1EED ử +1EEE Ữ +1EEF ữ +1EF0 Ự +1EF1 ự +0056 V +0076 v +0058 X +0078 x +0059 Y +0079 y +00DD Ý +00FD ý +1EF2 Ỳ +1EF3 ỳ +1EF4 Ỵ +1EF5 ỵ +1EF6 Ỷ +1EF7 ỷ +1EF8 Ỹ +1EF9 ỹ +select group_concat(hex(c1) order by hex(c1)) from t1 group by c1; +group_concat(hex(c1) order by hex(c1)) +0041,0061,00C0,00C1,00C3,00E0,00E1,00E3,1EA0,1EA1,1EA2,1EA3 +0102,0103,1EAE,1EAF,1EB0,1EB1,1EB2,1EB3,1EB4,1EB5,1EB6,1EB7 +00C2,00E2,1EA4,1EA5,1EA6,1EA7,1EA8,1EA9,1EAA,1EAB,1EAC,1EAD +0042,0062 +0043,0063 +0044,0064 +0110,0111 +0045,0065,00C8,00C9,00E8,00E9,1EB8,1EB9,1EBA,1EBB,1EBC,1EBD +00CA,00EA,1EBE,1EBF,1EC0,1EC1,1EC2,1EC3,1EC4,1EC5,1EC6,1EC7 +0047,0067 +0048,0068 +0049,0069,00CC,00CD,00EC,00ED,0128,0129,1EC8,1EC9,1ECA,1ECB +004B,006B +004C,006C +004D,006D +004F,006F,00D2,00D3,00D5,00F2,00F3,00F5,1ECC,1ECD,1ECE,1ECF +00D4,00F4,1ED0,1ED1,1ED2,1ED3,1ED4,1ED5,1ED6,1ED7,1ED8,1ED9 +01A0,01A1,1EDA,1EDB,1EDC,1EDD,1EDE,1EDF,1EE0,1EE1,1EE2,1EE3 +0050,0070 +0051,0071 +0052,0072 +0053,0073 +0054,0074 +0055,0075,00D9,00DA,00F9,00FA,0168,0169,1EE4,1EE5,1EE6,1EE7 +01AF,01B0,1EE8,1EE9,1EEA,1EEB,1EEC,1EED,1EEE,1EEF,1EF0,1EF1 +0056,0076 +0058,0078 +0059,0079,00DD,00FD,1EF2,1EF3,1EF4,1EF5,1EF6,1EF7,1EF8,1EF9 +select group_concat(c1 order by hex(c1) SEPARATOR '') from t1 group by c1; +group_concat(c1 order by hex(c1) SEPARATOR '') +AaÀÁÃàáãẠạẢả +ĂăẮắẰằẲẳẴẵẶặ +ÂâẤấẦầẨẩẪẫẬậ +Bb +Cc +Dd +Đđ +EeÈÉèéẸẹẺẻẼẽ +ÊêẾếỀềỂểỄễỆệ +Gg +Hh +IiÌÍìíĨĩỈỉỊị +Kk +Ll +Mm +OoÒÓÕòóõỌọỎỏ +ÔôỐốỒồỔổỖỗỘộ +ƠơỚớỜờỞởỠỡỢợ +Pp +Qq +Rr +Ss +Tt +UuÙÚùúŨũỤụỦủ +ƯưỨứỪừỬửỮữỰự +Vv +Xx +YyÝýỲỳỴỵỶỷỸỹ +drop table t1; diff --git a/mysql-test/std_data/Index.xml b/mysql-test/std_data/Index.xml new file mode 100644 index 00000000000..988dddcc68a --- /dev/null +++ b/mysql-test/std_data/Index.xml @@ -0,0 +1,71 @@ + + + + + + a + b + + + + + + + + + a + b + + + + + + A +

\u0103

\u0102 + \u1EB1\u1EB0 + \u1EB3\u1EB2 + \u1EB5\u1EB4 + \u1EAF\u1EAE + \u1EB7\u1EB6 +

\u00E2

\u00C2 + \u1EA7\u1EA6 + \u1EA9\u1EA8 + \u1EAB\u1EAA + \u1EA5\u1EA4 + \u1EAD\u1EAC + D +

\u0111

\u0110 + E +

\u00EA

\u00CA + \u1EC1\u1EC0 + \u1EC3\u1EC2 + \u1EC5\u1EC4 + \u1EBF\u1EBE + \u1EC7\u1EC6 + O +

\u00F4

\u00D4 + \u1ED3\u1ED2 + \u1ED5\u1ED4 + \u1ED7\u1ED6 + \u1ED1\u1ED0 + \u1ED9\u1ED8 +

\u01A1

\u01A0 + \u1EDD\u1EDC + \u1EDF\u1EDE + \u1EE1\u1EE0 + \u1EDB\u1EDA + \u1EE3\u1EE2 + U +

\u01B0

\u01AF + \u1EEB\u1EEA + \u1EED\u1EEC + \u1EEF\u1EEE + \u1EE9\u1EE8 + \u1EF1\u1EF0 + + + + + + + diff --git a/mysql-test/t/ctype_ldml-master.opt b/mysql-test/t/ctype_ldml-master.opt new file mode 100644 index 00000000000..a2532d4cfd9 --- /dev/null +++ b/mysql-test/t/ctype_ldml-master.opt @@ -0,0 +1,2 @@ +--character-sets-dir=$MYSQL_TEST_DIR/std_data/ + diff --git a/mysql-test/t/ctype_ldml.test b/mysql-test/t/ctype_ldml.test new file mode 100644 index 00000000000..fc6ed0f2579 --- /dev/null +++ b/mysql-test/t/ctype_ldml.test @@ -0,0 +1,63 @@ +--source include/have_ucs2.inc + +--disable_warnings +drop table if exists t1; +--enable_warnings + +set names utf8; + +--replace_result $MYSQL_TEST_DIR MYSQL_TEST_DIR +show variables like 'character_sets_dir%'; + +show collation like 'utf8_test_ci'; +create table t1 (c1 char(1) character set utf8 collate utf8_test_ci); +insert into t1 values ('a'); +select * from t1 where c1='b'; +drop table t1; + +show collation like 'ucs2_test_ci'; +create table t1 (c1 char(1) character set ucs2 collate ucs2_test_ci); +insert into t1 values ('a'); +select * from t1 where c1='b'; +drop table t1; + +# +# Vietnamese experimental collation +# + +show collation like 'ucs2_vn_ci'; +create table t1 (c1 char(1) character set ucs2 collate ucs2_vn_ci); +insert into t1 values (0x0061),(0x0041),(0x00E0),(0x00C0),(0x1EA3),(0x1EA2), + (0x00E3),(0x00C3),(0x00E1),(0x00C1),(0x1EA1),(0x1EA0); +insert into t1 values (0x0103),(0x0102),(0x1EB1),(0x1EB0),(0x1EB3),(0x1EB2), + (0x1EB5),(0x1EB4),(0x1EAF),(0x1EAE),(0x1EB7),(0x1EB6); +insert into t1 values (0x00E2),(0x00C2),(0x1EA7),(0x1EA6),(0x1EA9),(0x1EA8), + (0x1EAB),(0x1EAA),(0x1EA5),(0x1EA4),(0x1EAD),(0x1EAC); +insert into t1 values ('b'),('B'),('c'),('C'); +insert into t1 values ('d'),('D'),(0x0111),(0x0110); +insert into t1 values (0x0065),(0x0045),(0x00E8),(0x00C8),(0x1EBB),(0x1EBA), + (0x1EBD),(0x1EBC),(0x00E9),(0x00C9),(0x1EB9),(0x1EB8); +insert into t1 values (0x00EA),(0x00CA),(0x1EC1),(0x1EC0),(0x1EC3),(0x1EC2), + (0x1EC5),(0x1EC4),(0x1EBF),(0x1EBE),(0x1EC7),(0x1EC6); +insert into t1 values ('g'),('G'),('h'),('H'); +insert into t1 values (0x0069),(0x0049),(0x00EC),(0x00CC),(0x1EC9),(0x1EC8), + (0x0129),(0x0128),(0x00ED),(0x00CD),(0x1ECB),(0x1ECA); +insert into t1 values ('k'),('K'),('l'),('L'),('m'),('M'); +insert into t1 values (0x006F),(0x004F),(0x00F2),(0x00D2),(0x1ECF),(0x1ECE), + (0x00F5),(0x00D5),(0x00F3),(0x00D3),(0x1ECD),(0x1ECC); +insert into t1 values (0x00F4),(0x00D4),(0x1ED3),(0x1ED2),(0x1ED5),(0x1ED4), + (0x1ED7),(0x1ED6),(0x1ED1),(0x1ED0),(0x1ED9),(0x1ED8); +insert into t1 values (0x01A1),(0x01A0),(0x1EDD),(0x1EDC),(0x1EDF),(0x1EDE), + (0x1EE1),(0x1EE0),(0x1EDB),(0x1EDA),(0x1EE3),(0x1EE2); +insert into t1 values ('p'),('P'),('q'),('Q'),('r'),('R'),('s'),('S'),('t'),('T'); +insert into t1 values (0x0075),(0x0055),(0x00F9),(0x00D9),(0x1EE7),(0x1EE6), + (0x0169),(0x0168),(0x00FA),(0x00DA),(0x1EE5),(0x1EE4); +insert into t1 values (0x01B0),(0x01AF),(0x1EEB),(0x1EEA),(0x1EED),(0x1EEC), + (0x1EEF),(0x1EEE),(0x1EE9),(0x1EE8),(0x1EF1),(0x1EF0); +insert into t1 values ('v'),('V'),('x'),('X'); +insert into t1 values (0x0079),(0x0059),(0x1EF3),(0x1EF2),(0x1EF7),(0x1EF6), + (0x1EF9),(0x1EF8),(0x00FD),(0x00DD),(0x1EF5),(0x1EF4); +select hex(c1) as h, c1 from t1 order by c1, h; +select group_concat(hex(c1) order by hex(c1)) from t1 group by c1; +select group_concat(c1 order by hex(c1) SEPARATOR '') from t1 group by c1; +drop table t1; diff --git a/mysys/charset-def.c b/mysys/charset-def.c index 394fe6de1f3..36ff4139d9c 100644 --- a/mysys/charset-def.c +++ b/mysys/charset-def.c @@ -24,7 +24,6 @@ #ifdef HAVE_UCA_COLLATIONS #ifdef HAVE_CHARSET_ucs2 -extern CHARSET_INFO my_charset_ucs2_general_uca; extern CHARSET_INFO my_charset_ucs2_icelandic_uca_ci; extern CHARSET_INFO my_charset_ucs2_latvian_uca_ci; extern CHARSET_INFO my_charset_ucs2_romanian_uca_ci; @@ -46,7 +45,6 @@ extern CHARSET_INFO my_charset_ucs2_hungarian_uca_ci; #endif #ifdef HAVE_CHARSET_utf8 -extern CHARSET_INFO my_charset_utf8_general_uca_ci; extern CHARSET_INFO my_charset_utf8_icelandic_uca_ci; extern CHARSET_INFO my_charset_utf8_latvian_uca_ci; extern CHARSET_INFO my_charset_utf8_romanian_uca_ci; @@ -134,7 +132,7 @@ my_bool init_compiled_charsets(myf flags __attribute__((unused))) add_compiled_collation(&my_charset_ucs2_general_ci); add_compiled_collation(&my_charset_ucs2_bin); #ifdef HAVE_UCA_COLLATIONS - add_compiled_collation(&my_charset_ucs2_general_uca); + add_compiled_collation(&my_charset_ucs2_unicode_ci); add_compiled_collation(&my_charset_ucs2_icelandic_uca_ci); add_compiled_collation(&my_charset_ucs2_latvian_uca_ci); add_compiled_collation(&my_charset_ucs2_romanian_uca_ci); @@ -168,7 +166,7 @@ my_bool init_compiled_charsets(myf flags __attribute__((unused))) add_compiled_collation(&my_charset_utf8_general_cs); #endif #ifdef HAVE_UCA_COLLATIONS - add_compiled_collation(&my_charset_utf8_general_uca_ci); + add_compiled_collation(&my_charset_utf8_unicode_ci); add_compiled_collation(&my_charset_utf8_icelandic_uca_ci); add_compiled_collation(&my_charset_utf8_latvian_uca_ci); add_compiled_collation(&my_charset_utf8_romanian_uca_ci); diff --git a/mysys/charset.c b/mysys/charset.c index cce97677b14..9ea17c6515c 100644 --- a/mysys/charset.c +++ b/mysys/charset.c @@ -202,6 +202,19 @@ static my_bool simple_cs_is_full(CHARSET_INFO *cs) } +static void +copy_uca_collation(CHARSET_INFO *to, CHARSET_INFO *from) +{ + to->cset= from->cset; + to->coll= from->coll; + to->strxfrm_multiply= from->strxfrm_multiply; + to->min_sort_char= from->min_sort_char; + to->max_sort_char= from->max_sort_char; + to->mbminlen= from->mbminlen; + to->mbmaxlen= from->mbmaxlen; +} + + static int add_collation(CHARSET_INFO *cs) { if (cs->name && (cs->number || @@ -225,29 +238,30 @@ static int add_collation(CHARSET_INFO *cs) if (!(all_charsets[cs->number]->state & MY_CS_COMPILED)) { - CHARSET_INFO *new= all_charsets[cs->number]; + CHARSET_INFO *newcs= all_charsets[cs->number]; if (cs_copy_data(all_charsets[cs->number],cs)) return MY_XML_ERROR; if (!strcmp(cs->csname,"ucs2") ) { #if defined(HAVE_CHARSET_ucs2) && defined(HAVE_UCA_COLLATIONS) - new->cset= my_charset_ucs2_general_uca.cset; - new->coll= my_charset_ucs2_general_uca.coll; - new->strxfrm_multiply= my_charset_ucs2_general_uca.strxfrm_multiply; - new->min_sort_char= my_charset_ucs2_general_uca.min_sort_char; - new->max_sort_char= my_charset_ucs2_general_uca.max_sort_char; - new->mbminlen= 2; - new->mbmaxlen= 2; - new->state |= MY_CS_AVAILABLE | MY_CS_LOADED; + copy_uca_collation(newcs, &my_charset_ucs2_unicode_ci); + newcs->state|= MY_CS_AVAILABLE | MY_CS_LOADED; #endif + } + else if (!strcmp(cs->csname, "utf8")) + { +#if defined (HAVE_CHARSET_utf8) && defined(HAVE_UCA_COLLATIONS) + copy_uca_collation(newcs, &my_charset_utf8_unicode_ci); + newcs->state|= MY_CS_AVAILABLE | MY_CS_LOADED; +#endif } else { uchar *sort_order= all_charsets[cs->number]->sort_order; simple_cs_init_functions(all_charsets[cs->number]); - new->mbminlen= 1; - new->mbmaxlen= 1; + newcs->mbminlen= 1; + newcs->mbmaxlen= 1; if (simple_cs_is_full(all_charsets[cs->number])) { all_charsets[cs->number]->state |= MY_CS_LOADED; diff --git a/strings/ctype-uca.c b/strings/ctype-uca.c index 1263882846d..4dbda0b9239 100644 --- a/strings/ctype-uca.c +++ b/strings/ctype-uca.c @@ -8073,7 +8073,7 @@ MY_COLLATION_HANDLER my_collation_ucs2_uca_handler = my_propagate_complex }; -CHARSET_INFO my_charset_ucs2_general_uca= +CHARSET_INFO my_charset_ucs2_unicode_ci= { 128,0,0, /* number */ MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE, @@ -8734,7 +8734,7 @@ static uchar ctype_utf8[] = { extern MY_CHARSET_HANDLER my_charset_utf8_handler; -CHARSET_INFO my_charset_utf8_general_uca_ci= +CHARSET_INFO my_charset_utf8_unicode_ci= { 192,0,0, /* number */ MY_CS_COMPILED|MY_CS_STRNXFRM|MY_CS_UNICODE, diff --git a/strings/ctype.c b/strings/ctype.c index f02b5542e78..e7399c5438b 100644 --- a/strings/ctype.c +++ b/strings/ctype.c @@ -123,7 +123,7 @@ static struct my_cs_file_section_st * cs_file_sec(const char *attr, uint len) } #define MY_CS_CSDESCR_SIZE 64 -#define MY_CS_TAILORING_SIZE 128 +#define MY_CS_TAILORING_SIZE 1024 typedef struct my_cs_file_info {