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br.h: add __unused and __used macros

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Bruno Raoult
2022-12-18 14:22:18 +01:00
parent a1e436babc
commit 17e140f235
1 changed files with 11 additions and 0 deletions
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2022/include/br.h
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@@ -31,6 +31,17 @@
#define __PASTE(x, y) ___PASTE(x, y)
#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)
/* unused/used parameters/functions
* https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-unused-function-attribute
* https://gcc.gnu.org/onlinedocs/gcc/Common-Type-Attributes.html#index-unused-type-attribute
* https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-unused-variable-attribute
* https://gcc.gnu.org/onlinedocs/gcc/Label-Attributes.html#index-unused-label-attribute
* https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-used-function-attribute
* https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-used-variable-attribute
*/
#define __unused __attribute__((__unused__))
#define __used __attribute__((__used__))
/* see https://lkml.org/lkml/2018/3/20/845 for explanation of this monster
*/
#define __is_constexpr(x) \