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feat: fill char buffer with null char
those funcs always return null-terminated string but just to make it sure
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@ -27,6 +27,7 @@ inline std::string str_error(int errnum)
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#ifdef _MSC_VER // MSVC
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constexpr std::size_t bufsize = 256;
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std::array<char, bufsize> buf;
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buf.fill('\0');
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const auto result = strerror_s(buf.data(), bufsize, errnum);
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if(result != 0)
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{
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@ -39,11 +40,13 @@ inline std::string str_error(int errnum)
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#elif defined(_GNU_SOURCE)
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constexpr std::size_t bufsize = 256;
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std::array<char, bufsize> buf;
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buf.fill('\0');
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const char* result = strerror_r(errnum, buf.data(), bufsize);
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return std::string(result);
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#elif (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L) || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 600)
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constexpr std::size_t bufsize = 256;
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std::array<char, bufsize> buf;
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buf.fill('\0');
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const int result = strerror_r(errnum, buf.data(), bufsize);
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if (result != 0)
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{
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