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Partial fix for bug #69267

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This pulls in 60a25c72ba389f53b0621ca250bc99f3b295d43f from the
OpenLDAP project.
This commit is contained in:
Nikita Popov 2017-07-23 14:47:21 +02:00
parent 88f752a947
commit 0e4af9192f
4 changed files with 25 additions and 15 deletions
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27
ext/mbstring/php_unicode.c
View file

@ -122,6 +122,7 @@ MBSTRING_API int php_unicode_is_prop(unsigned long code, unsigned long mask1,
static unsigned long case_lookup(unsigned long code, long l, long r, int field)
{
long m;
const unsigned int *tmp;
/*
* Do the binary search.
@ -132,13 +133,13 @@ static unsigned long case_lookup(unsigned long code, long l, long r, int field)
* the beginning of a case mapping triple.
*/
m = (l + r) >> 1;
m -= (m % 3);
if (code > _uccase_map[m])
l = m + 3;
else if (code < _uccase_map[m])
r = m - 3;
else if (code == _uccase_map[m])
return _uccase_map[m + field];
tmp = &_uccase_map[m*3];
if (code > *tmp)
l = m + 1;
else if (code < *tmp)
r = m - 1;
else if (code == *tmp)
return tmp[field];
}
return code;
@ -174,7 +175,7 @@ MBSTRING_API unsigned long php_unicode_toupper(unsigned long code, enum mbfl_no_
*/
field = 2;
l = _uccase_len[0];
r = (l + _uccase_len[1]) - 3;
r = (l + _uccase_len[1]) - 1;
if (enc == mbfl_no_encoding_8859_9) {
return php_turkish_toupper(code, l, r, field);
@ -186,7 +187,7 @@ MBSTRING_API unsigned long php_unicode_toupper(unsigned long code, enum mbfl_no_
*/
field = 1;
l = _uccase_len[0] + _uccase_len[1];
r = _uccase_size - 3;
r = _uccase_size - 1;
}
return case_lookup(code, l, r, field);
}
@ -205,7 +206,7 @@ MBSTRING_API unsigned long php_unicode_tolower(unsigned long code, enum mbfl_no_
*/
field = 1;
l = 0;
r = _uccase_len[0] - 3;
r = _uccase_len[0] - 1;
if (enc == mbfl_no_encoding_8859_9) {
return php_turkish_tolower(code, l, r, field);
@ -217,7 +218,7 @@ MBSTRING_API unsigned long php_unicode_tolower(unsigned long code, enum mbfl_no_
*/
field = 2;
l = _uccase_len[0] + _uccase_len[1];
r = _uccase_size - 3;
r = _uccase_size - 1;
}
return case_lookup(code, l, r, field);
}
@ -240,13 +241,13 @@ MBSTRING_API unsigned long php_unicode_totitle(unsigned long code, enum mbfl_no_
* The character is upper case.
*/
l = 0;
r = _uccase_len[0] - 3;
r = _uccase_len[0] - 1;
} else {
/*
* The character is lower case.
*/
l = _uccase_len[0];
r = (l + _uccase_len[1]) - 3;
r = (l + _uccase_len[1]) - 1;
}
return case_lookup(code, l, r, field);