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InnoDB: Treat UTF-8 strings properly in case insensitive operations

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innobase/dict/dict0dict.c:
  Use innobase_strcasecmp() and innobase_casedn_str()
  instead of ut_cmp_in_lower_case() and ut_cpy_in_lower_case()
innobase/include/ut0byte.h:
  Remove ut_cpy_in_lower_case() and ut_cmp_in_lower_case()
innobase/ut/ut0byte.c:
  Remove ut_cpy_in_lower_case() and ut_cmp_in_lower_case()
sql/ha_innodb.cc:
  Add innobase_strcasecmp() and innobase_casedn_str()
  Replace tolower() loop with innobase_casedn_str()
  Replace my_casedn_str() with innobase_casedn_str()
  Replace ut_cmp_in_lower_case() with innobase_strcasecmp()
This commit is contained in:
unknown 2004-10-18 16:00:57 +03:00
commit e49389334c
4 changed files with 71 additions and 102 deletions
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48
innobase/ut/ut0byte.c
View file

@ -29,51 +29,3 @@ ut_dulint_sort(dulint* arr, dulint* aux_arr, ulint low, ulint high)
UT_SORT_FUNCTION_BODY(ut_dulint_sort, arr, aux_arr, low, high,
ut_dulint_cmp);
}
/****************************************************************
Copies a string to a memory location, setting characters to lower case. */
void
ut_cpy_in_lower_case(
/*=================*/
char* dest, /* in: destination */
const char* source, /* in: source */
ulint len) /* in: string length */
{
ulint i;
for (i = 0; i < len; i++) {
dest[i] = tolower(source[i]);
}
}
/****************************************************************
Compares two strings when converted to lower case. */
int
ut_cmp_in_lower_case(
/*=================*/
/* out: -1, 0, 1 if str1 < str2, str1 == str2,
str1 > str2, respectively */
const char* str1, /* in: string1 */
const char* str2) /* in: string2 */
{
for (;;) {
int c1, c2;
if (!*str1) {
return(*str2 ? -1 : 0);
} else if (!*str2) {
return 1;
}
c1 = tolower(*str1++);
c2 = tolower(*str2++);
if (c1 < c2) {
return(-1);
}
if (c1 > c2) {
return(1);
}
}
return(0);
}