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-rw-r--r--stringify/stringify.h15
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diff --git a/stringify/stringify.h b/stringify/stringify.h
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+/* Taken from Linux Kernel source code */
+
+#ifndef _STRINGIFY_H_
+#define _STRINGIFY_H_
+
+/*
+ * Indirect stringification. Doing two levels allows the parameter to be a
+ * macro itself. For example, compile with -DFOO=bar, __stringify(FOO)
+ * converts to "bar".
+ */
+
+#define __stringify_1(x...) #x
+#define __stringify(x...) __stringify_1(x)
+
+#endif /* _STRINGIFY_H_ */