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shared: replace packed-struct get/put_unaligned with memcpy #445

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shared: replace packed-struct get/put_unaligned with memcpy #445

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21 changes: 9 additions & 12 deletions shared/util.h
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Original file line number Diff line number Diff line change
Expand Up @@ -72,20 +72,17 @@ unsigned long long get_backoff_delta_msec(unsigned long long tend,

/* endianness and alignments */
/* ************************************************************************ */
#define get_unaligned(ptr) \
({ \
struct __attribute__((packed)) { \
typeof(*(ptr)) __v; \
} *__p = (typeof(__p))(ptr); \
__p->__v; \
#define get_unaligned(ptr) \
__extension__({ \
__typeof_unqual__(*(ptr)) __v; \
__builtin_memcpy((void *)&__v, (const void *)(ptr), sizeof(__v)); \
__v; \
})

#define put_unaligned(val, ptr) \
do { \
struct __attribute__((packed)) { \
typeof(*(ptr)) __v; \
} *__p = (typeof(__p))(ptr); \
__p->__v = (val); \
#define put_unaligned(val, ptr) \
do { \
__typeof_unqual__(*(ptr)) __v = (val); \
__builtin_memcpy((void *)(ptr), (const void *)&__v, sizeof(__v)); \
} while (0)

static inline unsigned int align_power2(unsigned int u)
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