re-enabled GetLastErrorMsg

src/common/src/misc.cpp

@@ -4,6 +4,10 @@
 
 #include "common.h"
 
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
 // Neither Android nor OS X support TLS
 #if  defined(__APPLE__) || (ANDROID && __clang__)
 #define __thread
@@ -12,22 +16,22 @@
 // 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()
-//{
-//	static const size_t buff_size = 255;
-//
-//#ifdef _WIN32
-//	static __declspec(thread) char err_str[buff_size] = {};
-//
-//	FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(),
-//		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-//		err_str, buff_size, NULL);
-//#else
-//	static __thread char err_str[buff_size] = {};
-//
-//	// Thread safe (XSI-compliant)
-//	strerror_r(errno, err_str, buff_size);
-//#endif
-//
-//	return err_str;
-//}
+const char* GetLastErrorMsg()
+{
+	static const size_t buff_size = 255;
+
+#ifdef _WIN32
+	static __declspec(thread) char err_str[buff_size] = {};
+
+	FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(),
+		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+		err_str, buff_size, NULL);
+#else
+	static __thread char err_str[buff_size] = {};
+
+	// Thread safe (XSI-compliant)
+	strerror_r(errno, err_str, buff_size);
+#endif
+
+	return err_str;
+}