mirror of https://github.com/tailix/libkernaux.git
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
#ifndef KERNAUX_INCLUDED_MACRO
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#define KERNAUX_INCLUDED_MACRO
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stddef.h>
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#include <stdint.h>
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#define KERNAUX_CONTAINER_OF(ptr, type, member) \
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((type*)((uintptr_t)(ptr) - offsetof(type, member)))
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#define KERNAUX_BITS(n) (1u << (n))
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#define KERNAUX_BITS8(n) ((uint8_t )(((uint8_t )1) << (n)))
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#define KERNAUX_BITS16(n) ((uint16_t)(((uint16_t)1) << (n)))
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#define KERNAUX_BITS32(n) ((uint32_t)(((uint32_t)1) << (n)))
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#define KERNAUX_BITS64(n) ((uint64_t)(((uint64_t)1) << (n)))
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#ifdef KERNAUX_ACCESS_PRIVATE
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# define KERNAUX_PRIVATE_FIELD(id) id
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# define KERNAUX_PROTECTED_FIELD(id) id
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#else
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# define KERNAUX_PRIVATE_FIELD(id) _private_##id
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# ifdef KERNAUX_ACCESS_PROTECTED
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# define KERNAUX_PROTECTED_FIELD(id) id
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# else
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# define KERNAUX_PROTECTED_FIELD(id) _protected_##id
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# endif
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#endif // KERNAUX_ACCESS_PRIVATE
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#ifdef __TINYC__
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# define KERNAUX_PACKING_ATTR
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#else
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# define KERNAUX_PACKING_ATTR __attribute__((packed))
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#endif
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#define KERNAUX_STATIC_TEST_STRUCT_SIZE(name, size) \
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__attribute__((unused)) \
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static const int \
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_kernaux_static_test_struct_size_##name[ \
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sizeof(struct name) == (size) ? 1 : -1 \
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]
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#ifdef __cplusplus
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}
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#endif
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#endif
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