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string_util: Prevent out of bounds access in u16string_view buffer

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Morph 2021-10-13 12:49:22 -04:00
parent 513adb576b
commit 0196b5a01f
1 changed files with 2 additions and 2 deletions
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4
src/common/string_util.cpp
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@ -191,9 +191,9 @@ std::string StringFromFixedZeroTerminatedBuffer(const char* buffer, std::size_t
std::u16string UTF16StringFromFixedZeroTerminatedBuffer(std::u16string_view buffer, std::u16string UTF16StringFromFixedZeroTerminatedBuffer(std::u16string_view buffer,
std::size_t max_len) { std::size_t max_len) {
std::size_t len = 0; std::size_t len = 0;
while (len < max_len && buffer[len] != '\0') while (len < buffer.length() && len < max_len && buffer[len] != '\0') {
++len; ++len;
}
return std::u16string(buffer.begin(), buffer.begin() + len); return std::u16string(buffer.begin(), buffer.begin() + len);
} }