stringify.h

 1#ifndef __LINUX_STRINGIFY_H
 2#define __LINUX_STRINGIFY_H
 3
 4/* Indirect stringification.  Doing two levels allows the parameter to be a
 5 * macro itself.  For example, compile with -DFOO=bar, __stringify(FOO)
 6 * converts to "bar".
 7 */
 8
 9#define __stringify_1(x...)	#x
10#define __stringify(x...)	__stringify_1(x)
11
12#define FILE_LINE	__FILE__ ":" __stringify(__LINE__)
13
14#endif	/* !__LINUX_STRINGIFY_H */