1/*
2 * Copyright (c) 2000-2010 Apple Inc.
3 * All rights reserved.
4 */
5#if (defined(__has_include) && __has_include(<__xnu_libcxx_sentinel.h>) && !defined(XNU_LIBCXX_SDKROOT))
6
7#if !__has_include_next(<stdint.h>)
8#error Do not build with -nostdinc (use GCC_USE_STANDARD_INCLUDE_SEARCHING=NO)
9#endif /* __has_include_next */
10
11#include_next <stdint.h>
12
13#else /* (defined(__has_include) && __has_include(<__xnu_libcxx_sentinel.h>) && !defined(XNU_LIBCXX_SDKROOT)) */
14
15#ifndef _KERNEL_STDINT_H_
16#define _KERNEL_STDINT_H_
17
18#ifndef KERNEL
19/* For user-space code that may include this header */
20#include_next <stdint.h>
21#else /* KERNEL */
22
23#include <machine/types.h>
24
25#if __LP64__
26#define __WORDSIZE 64
27#else
28#define __WORDSIZE 32
29#endif
30
31/* from ISO/IEC 988:1999 spec */
32
33/* 7.18.1.1 Exact-width integer types */
34/* int8_t is defined in <machine/types.h> */
35/* int16_t is defined in <machine/types.h> */
36/* int32_t is defined in <machine/types.h> */
37/* int64_t is defined in <machine/types.h> */
38typedef u_int8_t uint8_t; /* u_int8_t is defined in <machine/types.h> */
39typedef u_int16_t uint16_t; /* u_int16_t is defined in <machine/types.h> */
40typedef u_int32_t uint32_t; /* u_int32_t is defined in <machine/types.h> */
41typedef u_int64_t uint64_t; /* u_int64_t is defined in <machine/types.h> */
42
43
44/* 7.18.1.2 Minimum-width integer types */
45typedef int8_t int_least8_t;
46typedef int16_t int_least16_t;
47typedef int32_t int_least32_t;
48typedef int64_t int_least64_t;
49typedef uint8_t uint_least8_t;
50typedef uint16_t uint_least16_t;
51typedef uint32_t uint_least32_t;
52typedef uint64_t uint_least64_t;
53
54
55/* 7.18.1.3 Fastest-width integer types */
56typedef int8_t int_fast8_t;
57typedef int16_t int_fast16_t;
58typedef int32_t int_fast32_t;
59typedef int64_t int_fast64_t;
60typedef uint8_t uint_fast8_t;
61typedef uint16_t uint_fast16_t;
62typedef uint32_t uint_fast32_t;
63typedef uint64_t uint_fast64_t;
64
65
66/* 7.18.1.4 Integer types capable of holding object pointers */
67/* intptr_t is defined in <machine/types.h> */
68/* uintptr_t is defined in <machine/types.h> */
69
70
71/* 7.18.1.5 Greatest-width integer types */
72#ifdef __INTMAX_TYPE__
73typedef __INTMAX_TYPE__ intmax_t;
74#else
75#ifdef __LP64__
76typedef long int intmax_t;
77#else
78typedef long long int intmax_t;
79#endif /* __LP64__ */
80#endif /* __INTMAX_TYPE__ */
81#ifdef __UINTMAX_TYPE__
82typedef __UINTMAX_TYPE__ uintmax_t;
83#else
84#ifdef __LP64__
85typedef long unsigned int uintmax_t;
86#else
87typedef long long unsigned int uintmax_t;
88#endif /* __LP64__ */
89#endif /* __UINTMAX_TYPE__ */
90
91/* 7.18.4 Macros for integer constants */
92#define INT8_C(v) (v)
93#define INT16_C(v) (v)
94#define INT32_C(v) (v)
95#define INT64_C(v) (v ## LL)
96
97#define UINT8_C(v) (v)
98#define UINT16_C(v) (v)
99#define UINT32_C(v) (v ## U)
100#define UINT64_C(v) (v ## ULL)
101
102#ifdef __LP64__
103#define INTMAX_C(v) (v ## L)
104#define UINTMAX_C(v) (v ## UL)
105#else
106#define INTMAX_C(v) (v ## LL)
107#define UINTMAX_C(v) (v ## ULL)
108#endif
109
110/* 7.18.2 Limits of specified-width integer types:
111 * These #defines specify the minimum and maximum limits
112 * of each of the types declared above.
113 *
114 * They must have "the same type as would an expression that is an
115 * object of the corresponding type converted according to the integer
116 * promotion".
117 */
118
119
120/* 7.18.2.1 Limits of exact-width integer types */
121#define INT8_MAX 127
122#define INT16_MAX 32767
123#define INT32_MAX 2147483647
124#define INT64_MAX 9223372036854775807LL
125
126#define INT8_MIN -128
127#define INT16_MIN -32768
128/*
129 * Note: the literal "most negative int" cannot be written in C --
130 * the rules in the standard (section 6.4.4.1 in C99) will give it
131 * an unsigned type, so INT32_MIN (and the most negative member of
132 * any larger signed type) must be written via a constant expression.
133 */
134#define INT32_MIN (-INT32_MAX-1)
135#define INT64_MIN (-INT64_MAX-1)
136
137#define UINT8_MAX 255
138#define UINT16_MAX 65535
139#define UINT32_MAX 4294967295U
140#define UINT64_MAX 18446744073709551615ULL
141
142/* 7.18.2.2 Limits of minimum-width integer types */
143#define INT_LEAST8_MIN INT8_MIN
144#define INT_LEAST16_MIN INT16_MIN
145#define INT_LEAST32_MIN INT32_MIN
146#define INT_LEAST64_MIN INT64_MIN
147
148#define INT_LEAST8_MAX INT8_MAX
149#define INT_LEAST16_MAX INT16_MAX
150#define INT_LEAST32_MAX INT32_MAX
151#define INT_LEAST64_MAX INT64_MAX
152
153#define UINT_LEAST8_MAX UINT8_MAX
154#define UINT_LEAST16_MAX UINT16_MAX
155#define UINT_LEAST32_MAX UINT32_MAX
156#define UINT_LEAST64_MAX UINT64_MAX
157
158/* 7.18.2.3 Limits of fastest minimum-width integer types */
159#define INT_FAST8_MIN INT8_MIN
160#define INT_FAST16_MIN INT16_MIN
161#define INT_FAST32_MIN INT32_MIN
162#define INT_FAST64_MIN INT64_MIN
163
164#define INT_FAST8_MAX INT8_MAX
165#define INT_FAST16_MAX INT16_MAX
166#define INT_FAST32_MAX INT32_MAX
167#define INT_FAST64_MAX INT64_MAX
168
169#define UINT_FAST8_MAX UINT8_MAX
170#define UINT_FAST16_MAX UINT16_MAX
171#define UINT_FAST32_MAX UINT32_MAX
172#define UINT_FAST64_MAX UINT64_MAX
173
174/* 7.18.2.4 Limits of integer types capable of holding object pointers */
175
176#if __WORDSIZE == 64
177#define INTPTR_MAX 9223372036854775807L
178#else
179#define INTPTR_MAX 2147483647L
180#endif
181#define INTPTR_MIN (-INTPTR_MAX-1)
182
183#if __WORDSIZE == 64
184#define UINTPTR_MAX 18446744073709551615UL
185#else
186#define UINTPTR_MAX 4294967295UL
187#endif
188
189/* 7.18.2.5 Limits of greatest-width integer types */
190#define INTMAX_MAX INTMAX_C(9223372036854775807)
191#define UINTMAX_MAX UINTMAX_C(18446744073709551615)
192#define INTMAX_MIN (-INTMAX_MAX-1)
193
194/* 7.18.3 "Other" */
195#if __WORDSIZE == 64
196#define PTRDIFF_MIN INTMAX_MIN
197#define PTRDIFF_MAX INTMAX_MAX
198#else
199#define PTRDIFF_MIN INT32_MIN
200#define PTRDIFF_MAX INT32_MAX
201#endif
202
203#define SIZE_MAX UINTPTR_MAX
204
205#if defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1
206#define RSIZE_MAX (SIZE_MAX >> 1)
207#endif
208
209#ifndef WCHAR_MAX
210# ifdef __WCHAR_MAX__
211# define WCHAR_MAX __WCHAR_MAX__
212# else
213# define WCHAR_MAX 0x7fffffff
214# endif
215#endif
216
217/* WCHAR_MIN should be 0 if wchar_t is an unsigned type and
218 * (-WCHAR_MAX-1) if wchar_t is a signed type. Unfortunately,
219 * it turns out that -fshort-wchar changes the signedness of
220 * the type. */
221#ifndef WCHAR_MIN
222# if WCHAR_MAX == 0xffff
223# define WCHAR_MIN 0
224# else
225# define WCHAR_MIN (-WCHAR_MAX-1)
226# endif
227#endif
228
229#define WINT_MIN INT32_MIN
230#define WINT_MAX INT32_MAX
231
232#define SIG_ATOMIC_MIN INT32_MIN
233#define SIG_ATOMIC_MAX INT32_MAX
234
235#endif /* KERNEL */
236
237#endif /* _KERNEL_STDINT_H_ */
238
239#endif
240