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kernel32: CompareStringW should abort on the first nonmatching character to avoid an invalid memory access. 

Signed-off-by: Dmitry Timoshkov <dmitry@baikal.ru>
Signed-off-by: Sebastian Lackner <sebastian@fds-team.de>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Dmitry Timoshkov 2016-02-12 08:52:50 +01:00 committed by Alexandre Julliard
parent 5c50f65830
commit dfbbd55af7
1 changed files with 30 additions and 9 deletions
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39
libs/wine/sortkey.c
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@ -223,6 +223,16 @@ static inline int compare_unicode_weights(int flags, const WCHAR *str1, int len1
len1--;
len2--;
}
while (len1 && !*str1)
{
str1++;
len1--;
}
while (len2 && !*str2)
{
str2++;
len2--;
}
return len1 - len2;
}
@ -272,6 +282,16 @@ static inline int compare_diacritic_weights(int flags, const WCHAR *str1, int le
len1--;
len2--;
}
while (len1 && !*str1)
{
str1++;
len1--;
}
while (len2 && !*str2)
{
str2++;
len2--;
}
return len1 - len2;
}
@ -321,23 +341,24 @@ static inline int compare_case_weights(int flags, const WCHAR *str1, int len1,
len1--;
len2--;
}
while (len1 && !*str1)
{
str1++;
len1--;
}
while (len2 && !*str2)
{
str2++;
len2--;
}
return len1 - len2;
}
static inline int real_length(const WCHAR *str, int len)
{
while (len && !str[len - 1]) len--;
return len;
}
int wine_compare_string(int flags, const WCHAR *str1, int len1,
const WCHAR *str2, int len2)
{
int ret;
len1 = real_length(str1, len1);
len2 = real_length(str2, len2);
ret = compare_unicode_weights(flags, str1, len1, str2, len2);
if (!ret)
{