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Merge pull request #436 from bahostetterlewis/master 

Allow compiler to select an strerror_r stringify
This commit is contained in:
Gabi Melman 2017-05-10 12:57:14 +03:00 committed by GitHub
parent e9b8286714 84a4f56eae
commit 47006c4e8e
1 changed files with 13 additions and 1 deletions
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14
include/spdlog/details/os.h
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@ -364,6 +364,17 @@ inline std::string filename_to_str(const filename_t& filename)
}
#endif
inline std::string errno_to_string(char [256], char* res) {
return std::string(res);
}
inline std::string errno_to_string(char buf[256], int res) {
if (res == 0) {
return std::string(buf);
} else {
return "Unknown error";
}
}
// Return errno string (thread safe)
inline std::string errno_str(int err_num)
@ -386,7 +397,8 @@ inline std::string errno_str(int err_num)
return "Unknown error";
#else // gnu version (might not use the given buf, so its retval pointer must be used)
return std::string(strerror_r(err_num, buf, buf_size));
auto err = strerror_r(err_num, buf, buf_size); // let compiler choose type
return errno_to_string(buf, err); // use overloading to select correct stringify function
#endif
}