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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.
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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
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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>
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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
37typedef signed char int8_t;
38typedef short int int16_t;
39typedef int int32_t;
40# if __WORDSIZE == 64
41typedef long int int64_t;
42# else
43__extension__
44typedef long long int int64_t;
45# endif
46#endif
47
48/* Unsigned. */
49typedef unsigned char uint8_t;
50typedef unsigned short int uint16_t;
9b48fa9b 51#ifndef __uint32_t_defined
1c25bcac 52typedef unsigned int uint32_t;
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53# define __uint32_t_defined
54#endif
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55#if __WORDSIZE == 64
56typedef unsigned long int uint64_t;
57#else
58__extension__
59typedef unsigned long long int uint64_t;
60#endif
61
62
63/* Small types. */
64
65/* Signed. */
66typedef signed char int_least8_t;
67typedef short int int_least16_t;
68typedef int int_least32_t;
69#if __WORDSIZE == 64
70typedef long int int_least64_t;
71#else
72__extension__
73typedef long long int int_least64_t;
74#endif
75
76/* Unsigned. */
77typedef unsigned char uint_least8_t;
78typedef unsigned short int uint_least16_t;
79typedef unsigned int uint_least32_t;
80#if __WORDSIZE == 64
81typedef unsigned long int uint_least64_t;
82#else
83__extension__
84typedef unsigned long long int uint_least64_t;
85#endif
86
87
88/* Fast types. */
89
90/* Signed. */
91typedef signed char int_fast8_t;
92#if __WORDSIZE == 64
93typedef long int int_fast16_t;
94typedef long int int_fast32_t;
95typedef long int int_fast64_t;
96#else
97typedef int int_fast16_t;
98typedef int int_fast32_t;
99__extension__
100typedef long long int int_fast64_t;
101#endif
102
103/* Unsigned. */
104typedef unsigned char uint_fast8_t;
105#if __WORDSIZE == 64
106typedef unsigned long int uint_fast16_t;
107typedef unsigned long int uint_fast32_t;
108typedef unsigned long int uint_fast64_t;
109#else
110typedef unsigned int uint_fast16_t;
111typedef unsigned int uint_fast32_t;
112__extension__
113typedef 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 120typedef long int intptr_t;
7df789e0 121# define __intptr_t_defined
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122# endif
123typedef unsigned long int uintptr_t;
124#else
7df789e0 125# ifndef __intptr_t_defined
1c25bcac 126typedef int intptr_t;
7df789e0 127# define __intptr_t_defined
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128# endif
129typedef unsigned int uintptr_t;
130#endif
131
132
133/* Largest integral types. */
134#if __WORDSIZE == 64
135typedef long int intmax_t;
136typedef unsigned long int uintmax_t;
137#else
138__extension__
139typedef long long int intmax_t;
140__extension__
141typedef unsigned long long int uintmax_t;
142#endif
143
144
63ae7b63 145/* The ISO C99 standard specifies that in C++ implementations these
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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. */
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171# define UINT8_MAX (255)
172# define UINT16_MAX (65535)
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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. */
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189# define UINT_LEAST8_MAX (255)
190# define UINT_LEAST16_MAX (65535)
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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)
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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>. */
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274# define WCHAR_MIN __WCHAR_MIN
275# define WCHAR_MAX __WCHAR_MAX
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276# endif
277
278/* Limits of `wint_t'. */
417bafec 279# define WINT_MIN (0u)
d1646309 280# define WINT_MAX (4294967295u)
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281
282#endif /* C++ && limit macros */
283
284
63ae7b63 285/* The ISO C99 standard specifies that in C++ implementations these
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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. */
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300# define UINT8_C(c) c ## U
301# define UINT16_C(c) c ## U
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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 */