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| author | unknown <bar@bar.intranet.mysql.r18.ru> | 2004-02-04 18:16:28 +0400 |
|---|---|---|
| committer | unknown <bar@bar.intranet.mysql.r18.ru> | 2004-02-04 18:16:28 +0400 |
| commit | 03f098d57e194ea363b1985a9e2df955a312baab (patch) | |
| tree | 1398ce19ea74b3965d7ae01b49539ca0f784ab6c /strings | |
| parent | 7f6f30284e8834985884578dc723582e1e266aea (diff) | |
| download | mariadb-git-03f098d57e194ea363b1985a9e2df955a312baab.tar.gz | |
http://bugs.mysql.com/bug.php?id=2619
Bug #2619 ucs2 LIKE comparison fails in some cases
Fixes
Diffstat (limited to 'strings')
| -rw-r--r-- | strings/ctype-ucs2.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/strings/ctype-ucs2.c b/strings/ctype-ucs2.c index a7a59fc50f7..775501027d0 100644 --- a/strings/ctype-ucs2.c +++ b/strings/ctype-ucs2.c @@ -1044,14 +1044,13 @@ int my_wildcmp_ucs2(CHARSET_INFO *cs, scan= my_ucs2_uni(cs,&w_wc, (const uchar*)wildstr, (const uchar*)wildend); if (scan <= 0) return 1; - wildstr+= scan; if (w_wc == (my_wc_t)escape) { + wildstr+= scan; scan= my_ucs2_uni(cs,&w_wc, (const uchar*)wildstr, (const uchar*)wildend); if (scan <= 0) return 1; - wildstr+= scan; } if (w_wc == (my_wc_t)w_many) @@ -1060,6 +1059,7 @@ int my_wildcmp_ucs2(CHARSET_INFO *cs, break; } + wildstr+= scan; scan= my_ucs2_uni(cs, &s_wc, (const uchar*)str, (const uchar*)str_end); if (scan <=0) return 1; @@ -1095,13 +1095,16 @@ int my_wildcmp_ucs2(CHARSET_INFO *cs, scan= my_ucs2_uni(cs,&w_wc, (const uchar*)wildstr, (const uchar*)wildend); if (scan <= 0) return 1; - wildstr+= scan; if (w_wc == (my_wc_t)w_many) + { + wildstr+= scan; continue; + } if (w_wc == (my_wc_t)w_one) { + wildstr+= scan; scan= my_ucs2_uni(cs, &s_wc, (const uchar*)str, (const uchar*)str_end); if (scan <=0) return 1; @@ -1120,17 +1123,16 @@ int my_wildcmp_ucs2(CHARSET_INFO *cs, scan= my_ucs2_uni(cs,&w_wc, (const uchar*)wildstr, (const uchar*)wildend); if (scan <= 0) return 1; - wildstr+= scan; if (w_wc == (my_wc_t)escape) { + wildstr+= scan; scan= my_ucs2_uni(cs,&w_wc, (const uchar*)wildstr, (const uchar*)wildend); if (scan <= 0) return 1; - wildstr+= scan; } - do + while (1) { /* Skip until the first character from wildstr is found */ while (str != str_end) @@ -1138,8 +1140,6 @@ int my_wildcmp_ucs2(CHARSET_INFO *cs, scan= my_ucs2_uni(cs,&s_wc, (const uchar*)str, (const uchar*)str_end); if (scan <= 0) return 1; - str+= scan; - if (weights) { plane=(s_wc>>8) & 0xFF; @@ -1150,17 +1150,19 @@ int my_wildcmp_ucs2(CHARSET_INFO *cs, if (s_wc == w_wc) break; + str+= scan; } if (str == str_end) return -1; result= my_wildcmp_ucs2(cs,str,str_end,wildstr,wildend,escape, w_one,w_many,weights); + if (result <= 0) return result; - } while (str != str_end && w_wc != (my_wc_t)w_many); - return -1; + str+= scan; + } } } return (str != str_end ? 1 : 0); |