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102 lines
5.9 KiB
C
102 lines
5.9 KiB
C
#ifndef FLATCC_ACCESSORS
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#define FLATCC_ACCESSORS
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef UINT8_MAX
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#include <stdint.h>
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#endif
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#define __flatcc_basic_scalar_accessors_impl(N, T, W, E) \
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static inline size_t N ## __size(void) \
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{ return sizeof(T); } \
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static inline T *N ## __ptr_add(T *p, size_t i) \
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{ return p + i; } \
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static inline const T *N ## __const_ptr_add(const T *p, size_t i) \
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{ return p + i; } \
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static inline T N ## _read_from_pe(const void *p) \
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{ return N ## _cast_from_pe(*(T *)p); } \
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static inline T N ## _read_to_pe(const void *p) \
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{ return N ## _cast_to_pe(*(T *)p); } \
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static inline T N ## _read(const void *p) \
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{ return *(T *)p; } \
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static inline void N ## _write_from_pe(void *p, T v) \
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{ *(T *)p = N ## _cast_from_pe(v); } \
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static inline void N ## _write_to_pe(void *p, T v) \
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{ *(T *)p = N ## _cast_to_pe(v); } \
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static inline void N ## _write(void *p, T v) \
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{ *(T *)p = v; } \
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static inline T N ## _read_from_le(const void *p) \
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{ return N ## _cast_from_le(*(T *)p); } \
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typedef struct { int is_null; T value; } N ## _option_t;
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#define __flatcc_define_integer_accessors_impl(N, T, W, E) \
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static inline T N ## _cast_from_pe(T v) \
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{ return (T) E ## W ## toh((uint ## W ## _t)v); } \
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static inline T N ## _cast_to_pe(T v) \
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{ return (T) hto ## E ## W((uint ## W ## _t)v); } \
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static inline T N ## _cast_from_le(T v) \
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{ return (T) le ## W ## toh((uint ## W ## _t)v); } \
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static inline T N ## _cast_to_le(T v) \
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{ return (T) htole ## W((uint ## W ## _t)v); } \
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static inline T N ## _cast_from_be(T v) \
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{ return (T) be ## W ## toh((uint ## W ## _t)v); } \
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static inline T N ## _cast_to_be(T v) \
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{ return (T) htobe ## W((uint ## W ## _t)v); } \
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__flatcc_basic_scalar_accessors_impl(N, T, W, E)
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#define __flatcc_define_real_accessors_impl(N, T, W, E) \
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union __ ## N ## _cast { T v; uint ## W ## _t u; }; \
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static inline T N ## _cast_from_pe(T v) \
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{ union __ ## N ## _cast x; \
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x.v = v; x.u = E ## W ## toh(x.u); return x.v; } \
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static inline T N ## _cast_to_pe(T v) \
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{ union __ ## N ## _cast x; \
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x.v = v; x.u = hto ## E ## W(x.u); return x.v; } \
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static inline T N ## _cast_from_le(T v) \
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{ union __ ## N ## _cast x; \
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x.v = v; x.u = le ## W ## toh(x.u); return x.v; } \
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static inline T N ## _cast_to_le(T v) \
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{ union __ ## N ## _cast x; \
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x.v = v; x.u = htole ## W(x.u); return x.v; } \
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static inline T N ## _cast_from_be(T v) \
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{ union __ ## N ## _cast x; \
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x.v = v; x.u = be ## W ## toh(x.u); return x.v; } \
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static inline T N ## _cast_to_be(T v) \
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{ union __ ## N ## _cast x; \
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x.v = v; x.u = htobe ## W(x.u); return x.v; } \
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__flatcc_basic_scalar_accessors_impl(N, T, W, E)
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#define __flatcc_define_integer_accessors(N, T, W, E) \
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__flatcc_define_integer_accessors_impl(N, T, W, E)
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#define __flatcc_define_real_accessors(N, T, W, E) \
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__flatcc_define_real_accessors_impl(N, T, W, E)
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#define __flatcc_define_basic_integer_accessors(NS, TN, T, W, E) \
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__flatcc_define_integer_accessors(NS ## TN, T, W, E)
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#define __flatcc_define_basic_real_accessors(NS, TN, T, W, E) \
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__flatcc_define_real_accessors(NS ## TN, T, W, E)
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#define __flatcc_define_basic_scalar_accessors(NS, E) \
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__flatcc_define_basic_integer_accessors(NS, char, char, 8, E) \
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__flatcc_define_basic_integer_accessors(NS, uint8, uint8_t, 8, E) \
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__flatcc_define_basic_integer_accessors(NS, uint16, uint16_t, 16, E) \
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__flatcc_define_basic_integer_accessors(NS, uint32, uint32_t, 32, E) \
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__flatcc_define_basic_integer_accessors(NS, uint64, uint64_t, 64, E) \
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__flatcc_define_basic_integer_accessors(NS, int8, int8_t, 8, E) \
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__flatcc_define_basic_integer_accessors(NS, int16, int16_t, 16, E) \
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__flatcc_define_basic_integer_accessors(NS, int32, int32_t, 32, E) \
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__flatcc_define_basic_integer_accessors(NS, int64, int64_t, 64, E) \
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__flatcc_define_basic_real_accessors(NS, float, float, 32, E) \
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__flatcc_define_basic_real_accessors(NS, double, double, 64, E)
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#ifdef __cplusplus
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}
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#endif
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#endif /* FLATCC_ACCESSORS */
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