mirror of
git://jb55.com/damus
synced 2024-09-16 02:03:45 +00:00
102 lines
5.9 KiB
C
102 lines
5.9 KiB
C
#ifndef FLATCC_ACCESSORS
|
|
#define FLATCC_ACCESSORS
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#ifndef UINT8_MAX
|
|
#include <stdint.h>
|
|
#endif
|
|
|
|
#define __flatcc_basic_scalar_accessors_impl(N, T, W, E) \
|
|
static inline size_t N ## __size(void) \
|
|
{ return sizeof(T); } \
|
|
static inline T *N ## __ptr_add(T *p, size_t i) \
|
|
{ return p + i; } \
|
|
static inline const T *N ## __const_ptr_add(const T *p, size_t i) \
|
|
{ return p + i; } \
|
|
static inline T N ## _read_from_pe(const void *p) \
|
|
{ return N ## _cast_from_pe(*(T *)p); } \
|
|
static inline T N ## _read_to_pe(const void *p) \
|
|
{ return N ## _cast_to_pe(*(T *)p); } \
|
|
static inline T N ## _read(const void *p) \
|
|
{ return *(T *)p; } \
|
|
static inline void N ## _write_from_pe(void *p, T v) \
|
|
{ *(T *)p = N ## _cast_from_pe(v); } \
|
|
static inline void N ## _write_to_pe(void *p, T v) \
|
|
{ *(T *)p = N ## _cast_to_pe(v); } \
|
|
static inline void N ## _write(void *p, T v) \
|
|
{ *(T *)p = v; } \
|
|
static inline T N ## _read_from_le(const void *p) \
|
|
{ return N ## _cast_from_le(*(T *)p); } \
|
|
typedef struct { int is_null; T value; } N ## _option_t;
|
|
|
|
#define __flatcc_define_integer_accessors_impl(N, T, W, E) \
|
|
static inline T N ## _cast_from_pe(T v) \
|
|
{ return (T) E ## W ## toh((uint ## W ## _t)v); } \
|
|
static inline T N ## _cast_to_pe(T v) \
|
|
{ return (T) hto ## E ## W((uint ## W ## _t)v); } \
|
|
static inline T N ## _cast_from_le(T v) \
|
|
{ return (T) le ## W ## toh((uint ## W ## _t)v); } \
|
|
static inline T N ## _cast_to_le(T v) \
|
|
{ return (T) htole ## W((uint ## W ## _t)v); } \
|
|
static inline T N ## _cast_from_be(T v) \
|
|
{ return (T) be ## W ## toh((uint ## W ## _t)v); } \
|
|
static inline T N ## _cast_to_be(T v) \
|
|
{ return (T) htobe ## W((uint ## W ## _t)v); } \
|
|
__flatcc_basic_scalar_accessors_impl(N, T, W, E)
|
|
|
|
#define __flatcc_define_real_accessors_impl(N, T, W, E) \
|
|
union __ ## N ## _cast { T v; uint ## W ## _t u; }; \
|
|
static inline T N ## _cast_from_pe(T v) \
|
|
{ union __ ## N ## _cast x; \
|
|
x.v = v; x.u = E ## W ## toh(x.u); return x.v; } \
|
|
static inline T N ## _cast_to_pe(T v) \
|
|
{ union __ ## N ## _cast x; \
|
|
x.v = v; x.u = hto ## E ## W(x.u); return x.v; } \
|
|
static inline T N ## _cast_from_le(T v) \
|
|
{ union __ ## N ## _cast x; \
|
|
x.v = v; x.u = le ## W ## toh(x.u); return x.v; } \
|
|
static inline T N ## _cast_to_le(T v) \
|
|
{ union __ ## N ## _cast x; \
|
|
x.v = v; x.u = htole ## W(x.u); return x.v; } \
|
|
static inline T N ## _cast_from_be(T v) \
|
|
{ union __ ## N ## _cast x; \
|
|
x.v = v; x.u = be ## W ## toh(x.u); return x.v; } \
|
|
static inline T N ## _cast_to_be(T v) \
|
|
{ union __ ## N ## _cast x; \
|
|
x.v = v; x.u = htobe ## W(x.u); return x.v; } \
|
|
__flatcc_basic_scalar_accessors_impl(N, T, W, E)
|
|
|
|
#define __flatcc_define_integer_accessors(N, T, W, E) \
|
|
__flatcc_define_integer_accessors_impl(N, T, W, E)
|
|
|
|
#define __flatcc_define_real_accessors(N, T, W, E) \
|
|
__flatcc_define_real_accessors_impl(N, T, W, E)
|
|
|
|
#define __flatcc_define_basic_integer_accessors(NS, TN, T, W, E) \
|
|
__flatcc_define_integer_accessors(NS ## TN, T, W, E)
|
|
|
|
#define __flatcc_define_basic_real_accessors(NS, TN, T, W, E) \
|
|
__flatcc_define_real_accessors(NS ## TN, T, W, E)
|
|
|
|
#define __flatcc_define_basic_scalar_accessors(NS, E) \
|
|
__flatcc_define_basic_integer_accessors(NS, char, char, 8, E) \
|
|
__flatcc_define_basic_integer_accessors(NS, uint8, uint8_t, 8, E) \
|
|
__flatcc_define_basic_integer_accessors(NS, uint16, uint16_t, 16, E) \
|
|
__flatcc_define_basic_integer_accessors(NS, uint32, uint32_t, 32, E) \
|
|
__flatcc_define_basic_integer_accessors(NS, uint64, uint64_t, 64, E) \
|
|
__flatcc_define_basic_integer_accessors(NS, int8, int8_t, 8, E) \
|
|
__flatcc_define_basic_integer_accessors(NS, int16, int16_t, 16, E) \
|
|
__flatcc_define_basic_integer_accessors(NS, int32, int32_t, 32, E) \
|
|
__flatcc_define_basic_integer_accessors(NS, int64, int64_t, 64, E) \
|
|
__flatcc_define_basic_real_accessors(NS, float, float, 32, E) \
|
|
__flatcc_define_basic_real_accessors(NS, double, double, 64, E)
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* FLATCC_ACCESSORS */
|