ErrorHelpers.hpp

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#pragma once
 
#include <array>
#include <atomic>
#include <cstring>
#include <memory>
#include <string>
#include <vector>
 
// NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)
extern std::vector<std::pair<std::string, std::shared_ptr<std::atomic_flag>>> vCheckFlag;
 
// Alpine Linux incorrectly declares strerror_r
// https://stackoverflow.com/questions/41953104/strerror-r-is-incorrectly-declared-on-alpine-linux
char *checkError(int /*unused*/, char *buffer, int /*unused*/);
char *checkError(char *result, const char * /*unused*/, int /*unused*/);
 
inline std::string getErrnoString(int errVal)
{
    std::array<char, BUFSIZ> buffer{};
    return checkError(strerror_r(errVal, buffer.data(), BUFSIZ), buffer.data(), errVal);
}