Common: Remove TLS usage in GetLastErrorMsg

Just return std::string as this code isn't performance critical.
This commit is contained in:
degasus
2015-04-07 22:15:21 +02:00
parent 4796dc80bf
commit ef6bdf674f
5 changed files with 28 additions and 35 deletions

View File

@ -8,31 +8,23 @@
#include "Common/CommonFuncs.h"
// Neither Android nor OS X support TLS
#if defined(__APPLE__) || (ANDROID && __clang__)
#define __thread
#endif
// Generic function to get last error message.
// Call directly after the command or use the error num.
// This function might change the error code.
const char* GetLastErrorMsg()
std::string GetLastErrorMsg()
{
static const size_t buff_size = 255;
const size_t buff_size = 256;
char err_str[buff_size];
#ifdef _WIN32
static __declspec(thread) char err_str[buff_size] = {};
FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, nullptr, GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
err_str, buff_size, nullptr);
#else
static __thread char err_str[buff_size] = {};
// Thread safe (XSI-compliant)
if (strerror_r(errno, err_str, buff_size))
return nullptr;
return "";
#endif
return err_str;
return std::string(err_str);
}