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Avoid address sanitizer error

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This commit is contained in:
Benau 2022-05-04 10:42:16 +08:00
parent 281ddb1b17
commit d2da2e22e1
1 changed files with 14 additions and 16 deletions
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28
src/utils/string_utils.hpp
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@ -245,34 +245,32 @@ namespace StringUtils
* code. */
inline irr::core::stringw getCountryFlag(const std::string& country_code)
{
irr::core::stringw result;
if (country_code.empty() || country_code.size() != 2)
return L"";
uint32_t flag[3] =
return result;
uint32_t flag[2] =
{
(uint32_t)(country_code[0]) + 127397,
(uint32_t)(country_code[1]) + 127397,
0
(uint32_t)(country_code[1]) + 127397
};
if (sizeof(wchar_t) == 4)
{
return (wchar_t*)flag;
result.reserve(2);
result.append((wchar_t)flag[0]);
result.append((wchar_t)flag[1]);
}
else if (sizeof(wchar_t) == 2)
{
flag[0] -= 0x10000;
flag[1] -= 0x10000;
wchar_t u16[5] =
{
result.reserve(4);
//make a surrogate pair
static_cast<wchar_t>((flag[0] >> 10) + 0xd800),
static_cast<wchar_t>((flag[0] & 0x3ff) + 0xdc00),
static_cast<wchar_t>((flag[1] >> 10) + 0xd800),
static_cast<wchar_t>((flag[1] & 0x3ff) + 0xdc00),
0
};
return u16;
result.append(static_cast<wchar_t>((flag[0] >> 10) + 0xd800));
result.append(static_cast<wchar_t>((flag[0] & 0x3ff) + 0xdc00));
result.append(static_cast<wchar_t>((flag[1] >> 10) + 0xd800));
result.append(static_cast<wchar_t>((flag[1] & 0x3ff) + 0xdc00));
}
return L"";
return result;
} // getCountryFlag
// ------------------------------------------------------------------------