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557e1d5eea
Packed structs were already implemented with the Microsoft syntax (e.g. `#pragma pack(push, 1)`), but the GCC syntax was ignored.
28 lines
532 B
C
28 lines
532 B
C
#include <stdint.h>
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struct S1
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{
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uint32_t a;
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uint64_t b;
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} __attribute__((packed));
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_Static_assert(sizeof(S1) == 12, "S1 size");
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_Static_assert(&((struct S1*)0)->b == 4, "S1::b offset");
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struct __attribute__((packed)) S2
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{
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uint8_t a;
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uint16_t b;
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};
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_Static_assert(sizeof(S2) == 3, "S2 size");
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_Static_assert(&((struct S2*)0)->b == 1, "S2::b offset");
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struct __attribute__((packed)) S3
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{
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uint32_t a;
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uint8_t b;
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};
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_Static_assert(sizeof(S3) == 5, "S3 size");
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_Static_assert(&((struct S3*)0)->b == 4, "S3::b offset");
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