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core/xfa: typeof() -> __typeof__()

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Kaspar Schleiser 2021-02-23 11:45:53 +01:00
parent f85628cdb4
commit 2861d1f353
1 changed files with 7 additions and 1 deletions
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8
core/include/xfa.h
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@ -158,6 +158,12 @@ _Pragma("GCC diagnostic ignored \"-Warray-bounds\"")
* *
* Pointers will end up sorted by prio. * Pointers will end up sorted by prio.
* *
* @note This implementation uses the __typeof__() C extension.
* It is available both in GCC and LLVM, and both don't complain with
* plain "-std=c11". If deemed necessary, use of __typeof__ can be removed
* and the type can be added as parameter, at the cost of much less
* convenience.
*
* @param[in] xfa_name name of the xfa * @param[in] xfa_name name of the xfa
* @param[in] prio priority within the xfa * @param[in] prio priority within the xfa
* @param[in] name symbol name * @param[in] name symbol name
@ -165,7 +171,7 @@ _Pragma("GCC diagnostic ignored \"-Warray-bounds\"")
*/ */
#define XFA_ADD_PTR(xfa_name, prio, name, entry) \ #define XFA_ADD_PTR(xfa_name, prio, name, entry) \
_XFA_CONST(xfa_name, 5_ ## prio) \ _XFA_CONST(xfa_name, 5_ ## prio) \
const typeof(entry) xfa_name ## _ ## prio ## _ ## name = entry const __typeof__(entry) xfa_name ## _ ## prio ## _ ## name = entry
/** /**
* @brief Calculate number of entries in cross-file array * @brief Calculate number of entries in cross-file array