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jnavila/test.c

Created April 12, 2012 22:30
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preprocessor macro that returns 1 if macro is set to 1, else 0
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test.c
#define dummy_macro(...)
#define CONFIG_1 )(1
#define is_set(macro) is_set1(macro)
#define is_set1(macro) is_set2(CONFIG_##macro)
#define is_set2(x) (dummy_macro( x ) +0)
#define FOO 1
is_set(FOO)
is_set(BAR)
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