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a334319f | 1 | /* Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. |
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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 | |
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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. | |
1c25bcac UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
1c25bcac | 13 | |
41bdb6e2 AJ |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, write to the Free | |
16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
17 | 02111-1307 USA. */ | |
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18 | |
19 | /* | |
63ae7b63 | 20 | * ISO C99: 7.18 Integer types <stdint.h> |
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21 | */ |
22 | ||
23 | #ifndef _STDINT_H | |
24 | #define _STDINT_H 1 | |
25 | ||
26 | #include <features.h> | |
417bafec | 27 | #include <bits/wchar.h> |
1c25bcac UD |
28 | #include <bits/wordsize.h> |
29 | ||
30 | /* Exact integral types. */ | |
31 | ||
32 | /* Signed. */ | |
33 | ||
34 | /* There is some amount of overlap with <sys/types.h> as known by inet code */ | |
35 | #ifndef __int8_t_defined | |
36 | # define __int8_t_defined | |
37 | typedef signed char int8_t; | |
38 | typedef short int int16_t; | |
39 | typedef int int32_t; | |
40 | # if __WORDSIZE == 64 | |
41 | typedef long int int64_t; | |
42 | # else | |
43 | __extension__ | |
44 | typedef long long int int64_t; | |
45 | # endif | |
46 | #endif | |
47 | ||
48 | /* Unsigned. */ | |
49 | typedef unsigned char uint8_t; | |
50 | typedef unsigned short int uint16_t; | |
9b48fa9b | 51 | #ifndef __uint32_t_defined |
1c25bcac | 52 | typedef unsigned int uint32_t; |
9b48fa9b UD |
53 | # define __uint32_t_defined |
54 | #endif | |
1c25bcac UD |
55 | #if __WORDSIZE == 64 |
56 | typedef unsigned long int uint64_t; | |
57 | #else | |
58 | __extension__ | |
59 | typedef unsigned long long int uint64_t; | |
60 | #endif | |
61 | ||
62 | ||
63 | /* Small types. */ | |
64 | ||
65 | /* Signed. */ | |
66 | typedef signed char int_least8_t; | |
67 | typedef short int int_least16_t; | |
68 | typedef int int_least32_t; | |
69 | #if __WORDSIZE == 64 | |
70 | typedef long int int_least64_t; | |
71 | #else | |
72 | __extension__ | |
73 | typedef long long int int_least64_t; | |
74 | #endif | |
75 | ||
76 | /* Unsigned. */ | |
77 | typedef unsigned char uint_least8_t; | |
78 | typedef unsigned short int uint_least16_t; | |
79 | typedef unsigned int uint_least32_t; | |
80 | #if __WORDSIZE == 64 | |
81 | typedef unsigned long int uint_least64_t; | |
82 | #else | |
83 | __extension__ | |
84 | typedef unsigned long long int uint_least64_t; | |
85 | #endif | |
86 | ||
87 | ||
88 | /* Fast types. */ | |
89 | ||
90 | /* Signed. */ | |
91 | typedef signed char int_fast8_t; | |
92 | #if __WORDSIZE == 64 | |
93 | typedef long int int_fast16_t; | |
94 | typedef long int int_fast32_t; | |
95 | typedef long int int_fast64_t; | |
96 | #else | |
97 | typedef int int_fast16_t; | |
98 | typedef int int_fast32_t; | |
99 | __extension__ | |
100 | typedef long long int int_fast64_t; | |
101 | #endif | |
102 | ||
103 | /* Unsigned. */ | |
104 | typedef unsigned char uint_fast8_t; | |
105 | #if __WORDSIZE == 64 | |
106 | typedef unsigned long int uint_fast16_t; | |
107 | typedef unsigned long int uint_fast32_t; | |
108 | typedef unsigned long int uint_fast64_t; | |
109 | #else | |
110 | typedef unsigned int uint_fast16_t; | |
111 | typedef unsigned int uint_fast32_t; | |
112 | __extension__ | |
113 | typedef unsigned long long int uint_fast64_t; | |
114 | #endif | |
115 | ||
116 | ||
117 | /* Types for `void *' pointers. */ | |
118 | #if __WORDSIZE == 64 | |
7df789e0 | 119 | # ifndef __intptr_t_defined |
1c25bcac | 120 | typedef long int intptr_t; |
7df789e0 | 121 | # define __intptr_t_defined |
1c25bcac UD |
122 | # endif |
123 | typedef unsigned long int uintptr_t; | |
124 | #else | |
7df789e0 | 125 | # ifndef __intptr_t_defined |
1c25bcac | 126 | typedef int intptr_t; |
7df789e0 | 127 | # define __intptr_t_defined |
1c25bcac UD |
128 | # endif |
129 | typedef unsigned int uintptr_t; | |
130 | #endif | |
131 | ||
132 | ||
133 | /* Largest integral types. */ | |
134 | #if __WORDSIZE == 64 | |
135 | typedef long int intmax_t; | |
136 | typedef unsigned long int uintmax_t; | |
137 | #else | |
138 | __extension__ | |
139 | typedef long long int intmax_t; | |
140 | __extension__ | |
141 | typedef unsigned long long int uintmax_t; | |
142 | #endif | |
143 | ||
144 | ||
63ae7b63 | 145 | /* The ISO C99 standard specifies that in C++ implementations these |
1c25bcac UD |
146 | macros should only be defined if explicitly requested. */ |
147 | #if !defined __cplusplus || defined __STDC_LIMIT_MACROS | |
148 | ||
149 | # if __WORDSIZE == 64 | |
150 | # define __INT64_C(c) c ## L | |
151 | # define __UINT64_C(c) c ## UL | |
152 | # else | |
153 | # define __INT64_C(c) c ## LL | |
154 | # define __UINT64_C(c) c ## ULL | |
155 | # endif | |
156 | ||
157 | /* Limits of integral types. */ | |
158 | ||
159 | /* Minimum of signed integral types. */ | |
160 | # define INT8_MIN (-128) | |
161 | # define INT16_MIN (-32767-1) | |
162 | # define INT32_MIN (-2147483647-1) | |
163 | # define INT64_MIN (-__INT64_C(9223372036854775807)-1) | |
164 | /* Maximum of signed integral types. */ | |
165 | # define INT8_MAX (127) | |
166 | # define INT16_MAX (32767) | |
167 | # define INT32_MAX (2147483647) | |
168 | # define INT64_MAX (__INT64_C(9223372036854775807)) | |
169 | ||
170 | /* Maximum of unsigned integral types. */ | |
417bafec UD |
171 | # define UINT8_MAX (255) |
172 | # define UINT16_MAX (65535) | |
1c25bcac UD |
173 | # define UINT32_MAX (4294967295U) |
174 | # define UINT64_MAX (__UINT64_C(18446744073709551615)) | |
175 | ||
176 | ||
177 | /* Minimum of signed integral types having a minimum size. */ | |
178 | # define INT_LEAST8_MIN (-128) | |
179 | # define INT_LEAST16_MIN (-32767-1) | |
180 | # define INT_LEAST32_MIN (-2147483647-1) | |
181 | # define INT_LEAST64_MIN (-__INT64_C(9223372036854775807)-1) | |
182 | /* Maximum of signed integral types having a minimum size. */ | |
183 | # define INT_LEAST8_MAX (127) | |
184 | # define INT_LEAST16_MAX (32767) | |
185 | # define INT_LEAST32_MAX (2147483647) | |
186 | # define INT_LEAST64_MAX (__INT64_C(9223372036854775807)) | |
187 | ||
188 | /* Maximum of unsigned integral types having a minimum size. */ | |
417bafec UD |
189 | # define UINT_LEAST8_MAX (255) |
190 | # define UINT_LEAST16_MAX (65535) | |
1c25bcac UD |
191 | # define UINT_LEAST32_MAX (4294967295U) |
192 | # define UINT_LEAST64_MAX (__UINT64_C(18446744073709551615)) | |
193 | ||
194 | ||
195 | /* Minimum of fast signed integral types having a minimum size. */ | |
196 | # define INT_FAST8_MIN (-128) | |
197 | # if __WORDSIZE == 64 | |
198 | # define INT_FAST16_MIN (-9223372036854775807L-1) | |
199 | # define INT_FAST32_MIN (-9223372036854775807L-1) | |
200 | # else | |
201 | # define INT_FAST16_MIN (-2147483647-1) | |
202 | # define INT_FAST32_MIN (-2147483647-1) | |
203 | # endif | |
204 | # define INT_FAST64_MIN (-__INT64_C(9223372036854775807)-1) | |
205 | /* Maximum of fast signed integral types having a minimum size. */ | |
206 | # define INT_FAST8_MAX (127) | |
207 | # if __WORDSIZE == 64 | |
208 | # define INT_FAST16_MAX (9223372036854775807L) | |
209 | # define INT_FAST32_MAX (9223372036854775807L) | |
210 | # else | |
211 | # define INT_FAST16_MAX (2147483647) | |
212 | # define INT_FAST32_MAX (2147483647) | |
213 | # endif | |
214 | # define INT_FAST64_MAX (__INT64_C(9223372036854775807)) | |
215 | ||
216 | /* Maximum of fast unsigned integral types having a minimum size. */ | |
417bafec | 217 | # define UINT_FAST8_MAX (255) |
1c25bcac UD |
218 | # if __WORDSIZE == 64 |
219 | # define UINT_FAST16_MAX (18446744073709551615UL) | |
220 | # define UINT_FAST32_MAX (18446744073709551615UL) | |
221 | # else | |
222 | # define UINT_FAST16_MAX (4294967295U) | |
223 | # define UINT_FAST32_MAX (4294967295U) | |
224 | # endif | |
225 | # define UINT_FAST64_MAX (__UINT64_C(18446744073709551615)) | |
226 | ||
227 | ||
228 | /* Values to test for integral types holding `void *' pointer. */ | |
229 | # if __WORDSIZE == 64 | |
230 | # define INTPTR_MIN (-9223372036854775807L-1) | |
231 | # define INTPTR_MAX (9223372036854775807L) | |
232 | # define UINTPTR_MAX (18446744073709551615UL) | |
233 | # else | |
234 | # define INTPTR_MIN (-2147483647-1) | |
235 | # define INTPTR_MAX (2147483647) | |
236 | # define UINTPTR_MAX (4294967295U) | |
237 | # endif | |
238 | ||
239 | ||
240 | /* Minimum for largest signed integral type. */ | |
241 | # define INTMAX_MIN (-__INT64_C(9223372036854775807)-1) | |
242 | /* Maximum for largest signed integral type. */ | |
243 | # define INTMAX_MAX (__INT64_C(9223372036854775807)) | |
244 | ||
245 | /* Maximum for largest unsigned integral type. */ | |
246 | # define UINTMAX_MAX (__UINT64_C(18446744073709551615)) | |
247 | ||
248 | ||
249 | /* Limits of other integer types. */ | |
250 | ||
251 | /* Limits of `ptrdiff_t' type. */ | |
252 | # if __WORDSIZE == 64 | |
253 | # define PTRDIFF_MIN (-9223372036854775807L-1) | |
254 | # define PTRDIFF_MAX (9223372036854775807L) | |
255 | # else | |
256 | # define PTRDIFF_MIN (-2147483647-1) | |
257 | # define PTRDIFF_MAX (2147483647) | |
258 | # endif | |
259 | ||
260 | /* Limits of `sig_atomic_t'. */ | |
261 | # define SIG_ATOMIC_MIN (-2147483647-1) | |
262 | # define SIG_ATOMIC_MAX (2147483647) | |
263 | ||
264 | /* Limit of `size_t' type. */ | |
265 | # if __WORDSIZE == 64 | |
266 | # define SIZE_MAX (18446744073709551615UL) | |
267 | # else | |
268 | # define SIZE_MAX (4294967295U) | |
269 | # endif | |
270 | ||
271 | /* Limits of `wchar_t'. */ | |
272 | # ifndef WCHAR_MIN | |
273 | /* These constants might also be defined in <wchar.h>. */ | |
417bafec UD |
274 | # define WCHAR_MIN __WCHAR_MIN |
275 | # define WCHAR_MAX __WCHAR_MAX | |
1c25bcac UD |
276 | # endif |
277 | ||
278 | /* Limits of `wint_t'. */ | |
417bafec | 279 | # define WINT_MIN (0u) |
d1646309 | 280 | # define WINT_MAX (4294967295u) |
1c25bcac UD |
281 | |
282 | #endif /* C++ && limit macros */ | |
283 | ||
284 | ||
63ae7b63 | 285 | /* The ISO C99 standard specifies that in C++ implementations these |
1c25bcac UD |
286 | should only be defined if explicitly requested. */ |
287 | #if !defined __cplusplus || defined __STDC_CONSTANT_MACROS | |
288 | ||
289 | /* Signed. */ | |
290 | # define INT8_C(c) c | |
291 | # define INT16_C(c) c | |
292 | # define INT32_C(c) c | |
293 | # if __WORDSIZE == 64 | |
294 | # define INT64_C(c) c ## L | |
295 | # else | |
296 | # define INT64_C(c) c ## LL | |
297 | # endif | |
298 | ||
299 | /* Unsigned. */ | |
a334319f UD |
300 | # define UINT8_C(c) c ## U |
301 | # define UINT16_C(c) c ## U | |
1c25bcac UD |
302 | # define UINT32_C(c) c ## U |
303 | # if __WORDSIZE == 64 | |
304 | # define UINT64_C(c) c ## UL | |
305 | # else | |
306 | # define UINT64_C(c) c ## ULL | |
307 | # endif | |
308 | ||
309 | /* Maximal type. */ | |
310 | # if __WORDSIZE == 64 | |
311 | # define INTMAX_C(c) c ## L | |
312 | # define UINTMAX_C(c) c ## UL | |
313 | # else | |
314 | # define INTMAX_C(c) c ## LL | |
315 | # define UINTMAX_C(c) c ## ULL | |
316 | # endif | |
317 | ||
318 | #endif /* C++ && constant macros */ | |
319 | ||
320 | #endif /* stdint.h */ |