1 #ifndef FLATCC_ACCESSORS 2 #define FLATCC_ACCESSORS 3 4 #ifdef __cplusplus 5 extern "C" { 6 #endif 7 8 #ifndef UINT8_MAX 9 #include <stdint.h> 10 #endif 11 12 #define __flatcc_basic_scalar_accessors_impl(N, T, W, E) \ 13 static inline size_t N ## __size(void) \ 14 { return sizeof(T); } \ 15 static inline T *N ## __ptr_add(T *p, size_t i) \ 16 { return p + i; } \ 17 static inline const T *N ## __const_ptr_add(const T *p, size_t i) \ 18 { return p + i; } \ 19 static inline T N ## _read_from_pe(const void *p) \ 20 { return N ## _cast_from_pe(*(T *)p); } \ 21 static inline T N ## _read_to_pe(const void *p) \ 22 { return N ## _cast_to_pe(*(T *)p); } \ 23 static inline T N ## _read(const void *p) \ 24 { return *(T *)p; } \ 25 static inline void N ## _write_from_pe(void *p, T v) \ 26 { *(T *)p = N ## _cast_from_pe(v); } \ 27 static inline void N ## _write_to_pe(void *p, T v) \ 28 { *(T *)p = N ## _cast_to_pe(v); } \ 29 static inline void N ## _write(void *p, T v) \ 30 { *(T *)p = v; } 31 32 #define __flatcc_define_integer_accessors_impl(N, T, W, E) \ 33 static inline T N ## _cast_from_pe(T v) \ 34 { return (T) E ## W ## toh((uint ## W ## _t)v); } \ 35 static inline T N ## _cast_to_pe(T v) \ 36 { return (T) hto ## E ## W((uint ## W ## _t)v); } \ 37 static inline T N ## _cast_from_le(T v) \ 38 { return (T) le ## W ## toh((uint ## W ## _t)v); } \ 39 static inline T N ## _cast_to_le(T v) \ 40 { return (T) htole ## W((uint ## W ## _t)v); } \ 41 static inline T N ## _cast_from_be(T v) \ 42 { return (T) be ## W ## toh((uint ## W ## _t)v); } \ 43 static inline T N ## _cast_to_be(T v) \ 44 { return (T) htobe ## W((uint ## W ## _t)v); } \ 45 __flatcc_basic_scalar_accessors_impl(N, T, W, E) 46 47 #define __flatcc_define_real_accessors_impl(N, T, W, E) \ 48 union __ ## N ## _cast { T v; uint ## W ## _t u; }; \ 49 static inline T N ## _cast_from_pe(T v) \ 50 { union __ ## N ## _cast x; \ 51 x.v = v; x.u = E ## W ## toh(x.u); return x.v; } \ 52 static inline T N ## _cast_to_pe(T v) \ 53 { union __ ## N ## _cast x; \ 54 x.v = v; x.u = hto ## E ## W(x.u); return x.v; } \ 55 static inline T N ## _cast_from_le(T v) \ 56 { union __ ## N ## _cast x; \ 57 x.v = v; x.u = le ## W ## toh(x.u); return x.v; } \ 58 static inline T N ## _cast_to_le(T v) \ 59 { union __ ## N ## _cast x; \ 60 x.v = v; x.u = htole ## W(x.u); return x.v; } \ 61 static inline T N ## _cast_from_be(T v) \ 62 { union __ ## N ## _cast x; \ 63 x.v = v; x.u = be ## W ## toh(x.u); return x.v; } \ 64 static inline T N ## _cast_to_be(T v) \ 65 { union __ ## N ## _cast x; \ 66 x.v = v; x.u = htobe ## W(x.u); return x.v; } \ 67 __flatcc_basic_scalar_accessors_impl(N, T, W, E) 68 69 #define __flatcc_define_integer_accessors(N, T, W, E) \ 70 __flatcc_define_integer_accessors_impl(N, T, W, E) 71 72 #define __flatcc_define_real_accessors(N, T, W, E) \ 73 __flatcc_define_real_accessors_impl(N, T, W, E) 74 75 #define __flatcc_define_basic_integer_accessors(NS, TN, T, W, E) \ 76 __flatcc_define_integer_accessors(NS ## TN, T, W, E) 77 78 #define __flatcc_define_basic_real_accessors(NS, TN, T, W, E) \ 79 __flatcc_define_real_accessors(NS ## TN, T, W, E) 80 81 #define __flatcc_define_basic_scalar_accessors(NS, E) \ 82 __flatcc_define_basic_integer_accessors(NS, char, char, 8, E) \ 83 __flatcc_define_basic_integer_accessors(NS, uint8, uint8_t, 8, E) \ 84 __flatcc_define_basic_integer_accessors(NS, uint16, uint16_t, 16, E) \ 85 __flatcc_define_basic_integer_accessors(NS, uint32, uint32_t, 32, E) \ 86 __flatcc_define_basic_integer_accessors(NS, uint64, uint64_t, 64, E) \ 87 __flatcc_define_basic_integer_accessors(NS, int8, int8_t, 8, E) \ 88 __flatcc_define_basic_integer_accessors(NS, int16, int16_t, 16, E) \ 89 __flatcc_define_basic_integer_accessors(NS, int32, int32_t, 32, E) \ 90 __flatcc_define_basic_integer_accessors(NS, int64, int64_t, 64, E) \ 91 __flatcc_define_basic_real_accessors(NS, float, float, 32, E) \ 92 __flatcc_define_basic_real_accessors(NS, double, double, 64, E) 93 94 #ifdef __cplusplus 95 } 96 #endif 97 98 #endif /* FLATCC_ACCESSORS */ 99