got rid of 'src' folders in each sub-project

src/common/misc.cpp

@@ -0,0 +1,37 @@
+// Copyright 2013 Dolphin Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#include "common.h"
+
+#ifdef _WIN32
+#include <windows.h>
+#endif
+
+// 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()
+{
+    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;
+}