diff options
Diffstat (limited to 'src/common/misc.cpp')
-rw-r--r-- | src/common/misc.cpp | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/src/common/misc.cpp b/src/common/misc.cpp index 68cb86cd1..1d5393597 100644 --- a/src/common/misc.cpp +++ b/src/common/misc.cpp @@ -16,16 +16,23 @@ // Call directly after the command or use the error num. // This function might change the error code. std::string GetLastErrorMsg() { - static const std::size_t buff_size = 255; + static constexpr std::size_t buff_size = 255; char err_str[buff_size]; #ifdef _WIN32 FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, nullptr, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), err_str, buff_size, nullptr); + return std::string(err_str, buff_size); +#elif defined(__GLIBC__) && (_GNU_SOURCE || (_POSIX_C_SOURCE < 200112L && _XOPEN_SOURCE < 600)) + // Thread safe (GNU-specific) + const char* str = strerror_r(errno, err_str, buff_size); + return std::string(str); #else // Thread safe (XSI-compliant) - strerror_r(errno, err_str, buff_size); + const int success = strerror_r(errno, err_str, buff_size); + if (success != 0) { + return {}; + } + return std::string(err_str); #endif - - return std::string(err_str, buff_size); } |