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NULL works differently in C++ compared to C. To allow testing the UAPI headers against C++ compilers, provide a variant of NULL which works with those. Signed-off-by: Thomas Weißschuh <linux@weissschuh.net> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Link: https://patch.msgid.link/20260316-kbuild-uapi-c-v2-4-35d6d0ed863f@weissschuh.net Signed-off-by: Nicolas Schier <nsc@kernel.org>
14 lines
260 B
C
14 lines
260 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _DUMMY_STDDEF_H
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#define _DUMMY_STDDEF_H
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#define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
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#ifdef __cplusplus
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#define NULL 0
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#else
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#define NULL ((void *)0)
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#endif
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#endif /* _DUMMY_STDDEF_H */
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