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* string.c (str_utf8_nth): fixed a conditon of optimized lead

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byte counting. [Bug #4366][ruby-dev:43170]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30779 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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kosaki 2011-02-04 03:14:57 +00:00
parent aa36d4df21
commit e0d1e2453b
2 changed files with 6 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,8 @@
Fri Feb 4 12:11:51 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* string.c (str_utf8_nth): fixed a conditon of optimized lead
byte counting. [Bug #4366][ruby-dev:43170]
Fri Feb 4 01:50:13 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* string.c (count_utf8_lead_bytes_with_word): wrote function

2
string.c
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@ -1548,7 +1548,7 @@ static char *
str_utf8_nth(const char *p, const char *e, long *nthp)
{
long nth = *nthp;
if ((int)SIZEOF_VALUE < e - p && (int)SIZEOF_VALUE * 2 < nth) {
if ((int)SIZEOF_VALUE * 2 < e - p && (int)SIZEOF_VALUE * 2 < nth) {
const VALUE *s, *t;
const VALUE lowbits = sizeof(VALUE) - 1;
s = (const VALUE*)(~lowbits & ((VALUE)p + lowbits));