1 | /* Copyright (C) 1997-2024 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | /* |
19 | * ISO C99: 7.18 Integer types <stdint.h> |
20 | */ |
21 | |
22 | #ifndef _STDINT_H |
23 | #define _STDINT_H 1 |
24 | |
25 | #define |
26 | #include <bits/libc-header-start.h> |
27 | #include <bits/types.h> |
28 | #include <bits/wchar.h> |
29 | #include <bits/wordsize.h> |
30 | |
31 | /* Exact integral types. */ |
32 | |
33 | /* Signed. */ |
34 | #include <bits/stdint-intn.h> |
35 | |
36 | /* Unsigned. */ |
37 | #include <bits/stdint-uintn.h> |
38 | |
39 | |
40 | /* Small types. */ |
41 | #include <bits/stdint-least.h> |
42 | |
43 | |
44 | /* Fast types. */ |
45 | |
46 | /* Signed. */ |
47 | typedef signed char int_fast8_t; |
48 | #if __WORDSIZE == 64 |
49 | typedef long int int_fast16_t; |
50 | typedef long int int_fast32_t; |
51 | typedef long int int_fast64_t; |
52 | #else |
53 | typedef int int_fast16_t; |
54 | typedef int int_fast32_t; |
55 | __extension__ |
56 | typedef long long int int_fast64_t; |
57 | #endif |
58 | |
59 | /* Unsigned. */ |
60 | typedef unsigned char uint_fast8_t; |
61 | #if __WORDSIZE == 64 |
62 | typedef unsigned long int uint_fast16_t; |
63 | typedef unsigned long int uint_fast32_t; |
64 | typedef unsigned long int uint_fast64_t; |
65 | #else |
66 | typedef unsigned int uint_fast16_t; |
67 | typedef unsigned int uint_fast32_t; |
68 | __extension__ |
69 | typedef unsigned long long int uint_fast64_t; |
70 | #endif |
71 | |
72 | |
73 | /* Types for `void *' pointers. */ |
74 | #if __WORDSIZE == 64 |
75 | # ifndef __intptr_t_defined |
76 | typedef long int intptr_t; |
77 | # define __intptr_t_defined |
78 | # endif |
79 | typedef unsigned long int uintptr_t; |
80 | #else |
81 | # ifndef __intptr_t_defined |
82 | typedef int intptr_t; |
83 | # define __intptr_t_defined |
84 | # endif |
85 | typedef unsigned int uintptr_t; |
86 | #endif |
87 | |
88 | |
89 | /* Largest integral types. */ |
90 | typedef __intmax_t intmax_t; |
91 | typedef __uintmax_t uintmax_t; |
92 | |
93 | |
94 | # if __WORDSIZE == 64 |
95 | # define __INT64_C(c) c ## L |
96 | # define __UINT64_C(c) c ## UL |
97 | # else |
98 | # define __INT64_C(c) c ## LL |
99 | # define __UINT64_C(c) c ## ULL |
100 | # endif |
101 | |
102 | /* Limits of integral types. */ |
103 | |
104 | /* Minimum of signed integral types. */ |
105 | # define INT8_MIN (-128) |
106 | # define INT16_MIN (-32767-1) |
107 | # define INT32_MIN (-2147483647-1) |
108 | # define INT64_MIN (-__INT64_C(9223372036854775807)-1) |
109 | /* Maximum of signed integral types. */ |
110 | # define INT8_MAX (127) |
111 | # define INT16_MAX (32767) |
112 | # define INT32_MAX (2147483647) |
113 | # define INT64_MAX (__INT64_C(9223372036854775807)) |
114 | |
115 | /* Maximum of unsigned integral types. */ |
116 | # define UINT8_MAX (255) |
117 | # define UINT16_MAX (65535) |
118 | # define UINT32_MAX (4294967295U) |
119 | # define UINT64_MAX (__UINT64_C(18446744073709551615)) |
120 | |
121 | |
122 | /* Minimum of signed integral types having a minimum size. */ |
123 | # define INT_LEAST8_MIN (-128) |
124 | # define INT_LEAST16_MIN (-32767-1) |
125 | # define INT_LEAST32_MIN (-2147483647-1) |
126 | # define INT_LEAST64_MIN (-__INT64_C(9223372036854775807)-1) |
127 | /* Maximum of signed integral types having a minimum size. */ |
128 | # define INT_LEAST8_MAX (127) |
129 | # define INT_LEAST16_MAX (32767) |
130 | # define INT_LEAST32_MAX (2147483647) |
131 | # define INT_LEAST64_MAX (__INT64_C(9223372036854775807)) |
132 | |
133 | /* Maximum of unsigned integral types having a minimum size. */ |
134 | # define UINT_LEAST8_MAX (255) |
135 | # define UINT_LEAST16_MAX (65535) |
136 | # define UINT_LEAST32_MAX (4294967295U) |
137 | # define UINT_LEAST64_MAX (__UINT64_C(18446744073709551615)) |
138 | |
139 | |
140 | /* Minimum of fast signed integral types having a minimum size. */ |
141 | # define INT_FAST8_MIN (-128) |
142 | # if __WORDSIZE == 64 |
143 | # define INT_FAST16_MIN (-9223372036854775807L-1) |
144 | # define INT_FAST32_MIN (-9223372036854775807L-1) |
145 | # else |
146 | # define INT_FAST16_MIN (-2147483647-1) |
147 | # define INT_FAST32_MIN (-2147483647-1) |
148 | # endif |
149 | # define INT_FAST64_MIN (-__INT64_C(9223372036854775807)-1) |
150 | /* Maximum of fast signed integral types having a minimum size. */ |
151 | # define INT_FAST8_MAX (127) |
152 | # if __WORDSIZE == 64 |
153 | # define INT_FAST16_MAX (9223372036854775807L) |
154 | # define INT_FAST32_MAX (9223372036854775807L) |
155 | # else |
156 | # define INT_FAST16_MAX (2147483647) |
157 | # define INT_FAST32_MAX (2147483647) |
158 | # endif |
159 | # define INT_FAST64_MAX (__INT64_C(9223372036854775807)) |
160 | |
161 | /* Maximum of fast unsigned integral types having a minimum size. */ |
162 | # define UINT_FAST8_MAX (255) |
163 | # if __WORDSIZE == 64 |
164 | # define UINT_FAST16_MAX (18446744073709551615UL) |
165 | # define UINT_FAST32_MAX (18446744073709551615UL) |
166 | # else |
167 | # define UINT_FAST16_MAX (4294967295U) |
168 | # define UINT_FAST32_MAX (4294967295U) |
169 | # endif |
170 | # define UINT_FAST64_MAX (__UINT64_C(18446744073709551615)) |
171 | |
172 | |
173 | /* Values to test for integral types holding `void *' pointer. */ |
174 | # if __WORDSIZE == 64 |
175 | # define INTPTR_MIN (-9223372036854775807L-1) |
176 | # define INTPTR_MAX (9223372036854775807L) |
177 | # define UINTPTR_MAX (18446744073709551615UL) |
178 | # else |
179 | # define INTPTR_MIN (-2147483647-1) |
180 | # define INTPTR_MAX (2147483647) |
181 | # define UINTPTR_MAX (4294967295U) |
182 | # endif |
183 | |
184 | |
185 | /* Minimum for largest signed integral type. */ |
186 | # define INTMAX_MIN (-__INT64_C(9223372036854775807)-1) |
187 | /* Maximum for largest signed integral type. */ |
188 | # define INTMAX_MAX (__INT64_C(9223372036854775807)) |
189 | |
190 | /* Maximum for largest unsigned integral type. */ |
191 | # define UINTMAX_MAX (__UINT64_C(18446744073709551615)) |
192 | |
193 | |
194 | /* Limits of other integer types. */ |
195 | |
196 | /* Limits of `ptrdiff_t' type. */ |
197 | # if __WORDSIZE == 64 |
198 | # define PTRDIFF_MIN (-9223372036854775807L-1) |
199 | # define PTRDIFF_MAX (9223372036854775807L) |
200 | # else |
201 | # if __WORDSIZE32_PTRDIFF_LONG |
202 | # define PTRDIFF_MIN (-2147483647L-1) |
203 | # define PTRDIFF_MAX (2147483647L) |
204 | # else |
205 | # define PTRDIFF_MIN (-2147483647-1) |
206 | # define PTRDIFF_MAX (2147483647) |
207 | # endif |
208 | # endif |
209 | |
210 | /* Limits of `sig_atomic_t'. */ |
211 | # define SIG_ATOMIC_MIN (-2147483647-1) |
212 | # define SIG_ATOMIC_MAX (2147483647) |
213 | |
214 | /* Limit of `size_t' type. */ |
215 | # if __WORDSIZE == 64 |
216 | # define SIZE_MAX (18446744073709551615UL) |
217 | # else |
218 | # if __WORDSIZE32_SIZE_ULONG |
219 | # define SIZE_MAX (4294967295UL) |
220 | # else |
221 | # define SIZE_MAX (4294967295U) |
222 | # endif |
223 | # endif |
224 | |
225 | /* Limits of `wchar_t'. */ |
226 | # ifndef WCHAR_MIN |
227 | /* These constants might also be defined in <wchar.h>. */ |
228 | # define WCHAR_MIN __WCHAR_MIN |
229 | # define WCHAR_MAX __WCHAR_MAX |
230 | # endif |
231 | |
232 | /* Limits of `wint_t'. */ |
233 | # define WINT_MIN (0u) |
234 | # define WINT_MAX (4294967295u) |
235 | |
236 | /* Signed. */ |
237 | # define INT8_C(c) c |
238 | # define INT16_C(c) c |
239 | # define INT32_C(c) c |
240 | # if __WORDSIZE == 64 |
241 | # define INT64_C(c) c ## L |
242 | # else |
243 | # define INT64_C(c) c ## LL |
244 | # endif |
245 | |
246 | /* Unsigned. */ |
247 | # define UINT8_C(c) c |
248 | # define UINT16_C(c) c |
249 | # define UINT32_C(c) c ## U |
250 | # if __WORDSIZE == 64 |
251 | # define UINT64_C(c) c ## UL |
252 | # else |
253 | # define UINT64_C(c) c ## ULL |
254 | # endif |
255 | |
256 | /* Maximal type. */ |
257 | # if __WORDSIZE == 64 |
258 | # define INTMAX_C(c) c ## L |
259 | # define UINTMAX_C(c) c ## UL |
260 | # else |
261 | # define INTMAX_C(c) c ## LL |
262 | # define UINTMAX_C(c) c ## ULL |
263 | # endif |
264 | |
265 | #if __GLIBC_USE (IEC_60559_BFP_EXT_C2X) |
266 | |
267 | # define INT8_WIDTH 8 |
268 | # define UINT8_WIDTH 8 |
269 | # define INT16_WIDTH 16 |
270 | # define UINT16_WIDTH 16 |
271 | # define INT32_WIDTH 32 |
272 | # define UINT32_WIDTH 32 |
273 | # define INT64_WIDTH 64 |
274 | # define UINT64_WIDTH 64 |
275 | |
276 | # define INT_LEAST8_WIDTH 8 |
277 | # define UINT_LEAST8_WIDTH 8 |
278 | # define INT_LEAST16_WIDTH 16 |
279 | # define UINT_LEAST16_WIDTH 16 |
280 | # define INT_LEAST32_WIDTH 32 |
281 | # define UINT_LEAST32_WIDTH 32 |
282 | # define INT_LEAST64_WIDTH 64 |
283 | # define UINT_LEAST64_WIDTH 64 |
284 | |
285 | # define INT_FAST8_WIDTH 8 |
286 | # define UINT_FAST8_WIDTH 8 |
287 | # define INT_FAST16_WIDTH __WORDSIZE |
288 | # define UINT_FAST16_WIDTH __WORDSIZE |
289 | # define INT_FAST32_WIDTH __WORDSIZE |
290 | # define UINT_FAST32_WIDTH __WORDSIZE |
291 | # define INT_FAST64_WIDTH 64 |
292 | # define UINT_FAST64_WIDTH 64 |
293 | |
294 | # define INTPTR_WIDTH __WORDSIZE |
295 | # define UINTPTR_WIDTH __WORDSIZE |
296 | |
297 | # define INTMAX_WIDTH 64 |
298 | # define UINTMAX_WIDTH 64 |
299 | |
300 | # define PTRDIFF_WIDTH __WORDSIZE |
301 | # define SIG_ATOMIC_WIDTH 32 |
302 | # define SIZE_WIDTH __WORDSIZE |
303 | # define WCHAR_WIDTH 32 |
304 | # define WINT_WIDTH 32 |
305 | |
306 | #endif |
307 | |
308 | #endif /* stdint.h */ |
309 | |