License cleanup: add SPDX GPL-2.0 license identifier to files with no license
[linux-block.git] / tools / include / linux / stringify.h
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b2441318 1/* SPDX-License-Identifier: GPL-2.0 */
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ACM
2#ifndef __LINUX_STRINGIFY_H
3#define __LINUX_STRINGIFY_H
4
5/* Indirect stringification. Doing two levels allows the parameter to be a
6 * macro itself. For example, compile with -DFOO=bar, __stringify(FOO)
7 * converts to "bar".
8 */
9
10#define __stringify_1(x...) #x
11#define __stringify(x...) __stringify_1(x)
12
13#endif /* !__LINUX_STRINGIFY_H */