Ruby  3.1.4p223 (2023-03-30 revision HEAD)
sizes.c
1 #include "ruby/ruby.h"
2 
3 #if defined(HAVE_TYPE_SIG_ATOMIC_T)
4 # include <signal.h>
5 #endif
6 
7 #if defined(HAVE_TYPE_WINT_T) || defined(HAVE_TYPE_WCTRANS_T) || defined(HAVE_TYPE_WCTYPE_T)
8 # include <wctype.h>
9 #endif
10 
11 extern void Init_limits(void);
12 void
13 Init_sizeof(void)
14 {
15  VALUE s = rb_hash_new();
16  rb_define_const(rb_define_module("RbConfig"), "SIZEOF", s);
17 
18 #define DEFINE(type, size) rb_hash_aset(s, rb_str_new_cstr(#type), INT2FIX(SIZEOF_##size))
19 #define DEFINE_SIZE(type) rb_hash_aset(s, rb_str_new_cstr(#type), INT2FIX(sizeof(type)))
20 
21 #if defined(SIZEOF_INT) && SIZEOF_INT != 0
22  DEFINE(int, INT);
23 #endif
24 #if defined(SIZEOF_SHORT) && SIZEOF_SHORT != 0
25  DEFINE(short, SHORT);
26 #endif
27 #if defined(SIZEOF_LONG) && SIZEOF_LONG != 0
28  DEFINE(long, LONG);
29 #endif
30 #if defined(SIZEOF_LONG_LONG) && SIZEOF_LONG_LONG != 0 && defined(HAVE_TRUE_LONG_LONG)
31  DEFINE(long long, LONG_LONG);
32 #endif
33 #if defined(SIZEOF___INT64) && SIZEOF___INT64 != 0
34  DEFINE(__int64, __INT64);
35 #endif
36 #ifdef HAVE_TYPE___INT128
37  DEFINE_SIZE(__int128);
38 #endif
39 #if defined(SIZEOF_OFF_T) && SIZEOF_OFF_T != 0
40  DEFINE(off_t, OFF_T);
41 #endif
42 #if defined(SIZEOF_VOIDP) && SIZEOF_VOIDP != 0
43  DEFINE(void*, VOIDP);
44 #endif
45 #if defined(SIZEOF_FLOAT) && SIZEOF_FLOAT != 0
46  DEFINE(float, FLOAT);
47 #endif
48 #if defined(SIZEOF_DOUBLE) && SIZEOF_DOUBLE != 0
49  DEFINE(double, DOUBLE);
50 #endif
51 #if defined(SIZEOF_TIME_T) && SIZEOF_TIME_T != 0
52  DEFINE(time_t, TIME_T);
53 #endif
54 #if defined(SIZEOF_CLOCK_T) && SIZEOF_CLOCK_T != 0
55  DEFINE(clock_t, CLOCK_T);
56 #endif
57 #if defined(SIZEOF_SIZE_T) && SIZEOF_SIZE_T != 0
58  DEFINE(size_t, SIZE_T);
59 #endif
60 #if defined(SIZEOF_PTRDIFF_T) && SIZEOF_PTRDIFF_T != 0
61  DEFINE(ptrdiff_t, PTRDIFF_T);
62 #endif
63 #if defined(SIZEOF_DEV_T) && SIZEOF_DEV_T != 0
64  DEFINE(dev_t, DEV_T);
65 #endif
66 #if defined(SIZEOF_INT8_T) && SIZEOF_INT8_T != 0
67  DEFINE(int8_t, INT8_T);
68 #endif
69 #if defined(SIZEOF_UINT8_T) && SIZEOF_UINT8_T != 0
70  DEFINE(uint8_t, UINT8_T);
71 #endif
72 #if defined(SIZEOF_INT16_T) && SIZEOF_INT16_T != 0
73  DEFINE(int16_t, INT16_T);
74 #endif
75 #if defined(SIZEOF_UINT16_T) && SIZEOF_UINT16_T != 0
76  DEFINE(uint16_t, UINT16_T);
77 #endif
78 #if defined(SIZEOF_INT32_T) && SIZEOF_INT32_T != 0
79  DEFINE(int32_t, INT32_T);
80 #endif
81 #if defined(SIZEOF_UINT32_T) && SIZEOF_UINT32_T != 0
82  DEFINE(uint32_t, UINT32_T);
83 #endif
84 #if defined(SIZEOF_INT64_T) && SIZEOF_INT64_T != 0
85  DEFINE(int64_t, INT64_T);
86 #endif
87 #if defined(SIZEOF_UINT64_T) && SIZEOF_UINT64_T != 0
88  DEFINE(uint64_t, UINT64_T);
89 #endif
90 #if defined(SIZEOF_INT128_T) && SIZEOF_INT128_T != 0
91  DEFINE(int128_t, INT128_T);
92 #endif
93 #if defined(SIZEOF_UINT128_T) && SIZEOF_UINT128_T != 0
94  DEFINE(uint128_t, UINT128_T);
95 #endif
96 #if defined(SIZEOF_INTPTR_T) && SIZEOF_INTPTR_T != 0
97  DEFINE(intptr_t, INTPTR_T);
98 #endif
99 #if defined(SIZEOF_UINTPTR_T) && SIZEOF_UINTPTR_T != 0
100  DEFINE(uintptr_t, UINTPTR_T);
101 #endif
102 #if defined(SIZEOF_SSIZE_T) && SIZEOF_SSIZE_T != 0
103  DEFINE(ssize_t, SSIZE_T);
104 #endif
105 #ifdef HAVE_TYPE_INT_LEAST8_T
106  DEFINE_SIZE(int_least8_t);
107 #endif
108 #ifdef HAVE_TYPE_INT_LEAST16_T
109  DEFINE_SIZE(int_least16_t);
110 #endif
111 #ifdef HAVE_TYPE_INT_LEAST32_T
112  DEFINE_SIZE(int_least32_t);
113 #endif
114 #ifdef HAVE_TYPE_INT_LEAST64_T
115  DEFINE_SIZE(int_least64_t);
116 #endif
117 #ifdef HAVE_TYPE_INT_FAST8_T
118  DEFINE_SIZE(int_fast8_t);
119 #endif
120 #ifdef HAVE_TYPE_INT_FAST16_T
121  DEFINE_SIZE(int_fast16_t);
122 #endif
123 #ifdef HAVE_TYPE_INT_FAST32_T
124  DEFINE_SIZE(int_fast32_t);
125 #endif
126 #ifdef HAVE_TYPE_INT_FAST64_T
127  DEFINE_SIZE(int_fast64_t);
128 #endif
129 #ifdef HAVE_TYPE_INTMAX_T
130  DEFINE_SIZE(intmax_t);
131 #endif
132 #ifdef HAVE_TYPE_SIG_ATOMIC_T
133  DEFINE_SIZE(sig_atomic_t);
134 #endif
135 #ifdef HAVE_TYPE_WCHAR_T
136  DEFINE_SIZE(wchar_t);
137 #endif
138 #ifdef HAVE_TYPE_WINT_T
139  DEFINE_SIZE(wint_t);
140 #endif
141 #ifdef HAVE_TYPE_WCTRANS_T
142  DEFINE_SIZE(wctrans_t);
143 #endif
144 #ifdef HAVE_TYPE_WCTYPE_T
145  DEFINE_SIZE(wctype_t);
146 #endif
147 #ifdef HAVE_TYPE__BOOL
148  DEFINE_SIZE(_Bool);
149 #endif
150 #ifdef HAVE_TYPE_LONG_DOUBLE
151  DEFINE_SIZE(long double);
152 #endif
153 #ifdef HAVE_TYPE_FLOAT__COMPLEX
154  DEFINE_SIZE(float _Complex);
155 #endif
156 #ifdef HAVE_TYPE_DOUBLE__COMPLEX
157  DEFINE_SIZE(double _Complex);
158 #endif
159 #ifdef HAVE_TYPE_LONG_DOUBLE__COMPLEX
160  DEFINE_SIZE(long double _Complex);
161 #endif
162 #ifdef HAVE_TYPE_FLOAT__IMAGINARY
163  DEFINE_SIZE(float _Imaginary);
164 #endif
165 #ifdef HAVE_TYPE_DOUBLE__IMAGINARY
166  DEFINE_SIZE(double _Imaginary);
167 #endif
168 #ifdef HAVE_TYPE_LONG_DOUBLE__IMAGINARY
169  DEFINE_SIZE(long double _Imaginary);
170 #endif
171 #ifdef HAVE_TYPE___INT128
172  DEFINE_SIZE(__int128);
173 #endif
174 #ifdef HAVE_TYPE___FLOAT128
175  DEFINE_SIZE(__float128);
176 #endif
177 #ifdef HAVE_TYPE__DECIMAL32
178  DEFINE_SIZE(_Decimal32);
179 #endif
180 #ifdef HAVE_TYPE__DECIMAL64
181  DEFINE_SIZE(_Decimal64);
182 #endif
183 #ifdef HAVE_TYPE__DECIMAL128
184  DEFINE_SIZE(_Decimal128);
185 #endif
186 #ifdef HAVE_TYPE___M64
187  DEFINE_SIZE(__m64);
188 #endif
189 #ifdef HAVE_TYPE___M128
190  DEFINE_SIZE(__m128);
191 #endif
192 #ifdef HAVE_TYPE___FLOAT80
193  DEFINE_SIZE(__float80);
194 #endif
195  OBJ_FREEZE(s);
196 
197 #undef DEFINE
198  Init_limits();
199 }
#define LONG_LONG
Definition: long_long.h:38
VALUE rb_define_module(const char *name)
Defines a top-level module.
Definition: class.c:948
#define OBJ_FREEZE
Old name of RB_OBJ_FREEZE.
Definition: fl_type.h:143
VALUE rb_hash_new(void)
Creates a new, empty hash object.
Definition: hash.c:1529
void rb_define_const(VALUE klass, const char *name, VALUE val)
Defines a Ruby level constant under a namespace.
Definition: variable.c:3253
uintptr_t VALUE
Type that represents a Ruby object.
Definition: value.h:40