1/*
2 * Copyright (c) 2000-2010 Apple Inc.
3 * All rights reserved.
4 */
5
6#ifndef _STDINT_H_
7#define _STDINT_H_
8
9#if __LP64__
10#define __WORDSIZE 64
11#else
12#define __WORDSIZE 32
13#endif
14
15/* from ISO/IEC 988:1999 spec */
16
17/* 7.18.1.1 Exact-width integer types */
18#include <sys/_types/_int8_t.h>
19#include <sys/_types/_int16_t.h>
20#include <sys/_types/_int32_t.h>
21#include <sys/_types/_int64_t.h>
22
23#include <_types/_uint8_t.h>
24#include <_types/_uint16_t.h>
25#include <_types/_uint32_t.h>
26#include <_types/_uint64_t.h>
27
28/* 7.18.1.2 Minimum-width integer types */
29typedef int8_t           int_least8_t;
30typedef int16_t         int_least16_t;
31typedef int32_t         int_least32_t;
32typedef int64_t         int_least64_t;
33typedef uint8_t         uint_least8_t;
34typedef uint16_t       uint_least16_t;
35typedef uint32_t       uint_least32_t;
36typedef uint64_t       uint_least64_t;
37
38
39/* 7.18.1.3 Fastest-width integer types */
40typedef int8_t            int_fast8_t;
41typedef int16_t          int_fast16_t;
42typedef int32_t          int_fast32_t;
43typedef int64_t          int_fast64_t;
44typedef uint8_t          uint_fast8_t;
45typedef uint16_t        uint_fast16_t;
46typedef uint32_t        uint_fast32_t;
47typedef uint64_t        uint_fast64_t;
48
49
50/* 7.18.1.4 Integer types capable of holding object pointers */
51
52#include <sys/_types.h>
53#include <sys/_types/_intptr_t.h>
54#include <sys/_types/_uintptr_t.h>
55
56
57/* 7.18.1.5 Greatest-width integer types */
58#include <_types/_intmax_t.h>
59#include <_types/_uintmax_t.h>
60
61/* 7.18.2 Limits of specified-width integer types:
62 *   These #defines specify the minimum and maximum limits
63 *   of each of the types declared above.
64 */
65
66
67/* 7.18.2.1 Limits of exact-width integer types */
68#define INT8_MAX         127
69#define INT16_MAX        32767
70#define INT32_MAX        2147483647
71#define INT64_MAX        9223372036854775807LL
72
73#define INT8_MIN          -128
74#define INT16_MIN         -32768
75   /*
76      Note:  the literal "most negative int" cannot be written in C --
77      the rules in the standard (section 6.4.4.1 in C99) will give it
78      an unsigned type, so INT32_MIN (and the most negative member of
79      any larger signed type) must be written via a constant expression.
80   */
81#define INT32_MIN        (-INT32_MAX-1)
82#define INT64_MIN        (-INT64_MAX-1)
83
84#define UINT8_MAX         255
85#define UINT16_MAX        65535
86#define UINT32_MAX        4294967295U
87#define UINT64_MAX        18446744073709551615ULL
88
89/* 7.18.2.2 Limits of minimum-width integer types */
90#define INT_LEAST8_MIN    INT8_MIN
91#define INT_LEAST16_MIN   INT16_MIN
92#define INT_LEAST32_MIN   INT32_MIN
93#define INT_LEAST64_MIN   INT64_MIN
94
95#define INT_LEAST8_MAX    INT8_MAX
96#define INT_LEAST16_MAX   INT16_MAX
97#define INT_LEAST32_MAX   INT32_MAX
98#define INT_LEAST64_MAX   INT64_MAX
99
100#define UINT_LEAST8_MAX   UINT8_MAX
101#define UINT_LEAST16_MAX  UINT16_MAX
102#define UINT_LEAST32_MAX  UINT32_MAX
103#define UINT_LEAST64_MAX  UINT64_MAX
104
105/* 7.18.2.3 Limits of fastest minimum-width integer types */
106#define INT_FAST8_MIN     INT8_MIN
107#define INT_FAST16_MIN    INT16_MIN
108#define INT_FAST32_MIN    INT32_MIN
109#define INT_FAST64_MIN    INT64_MIN
110
111#define INT_FAST8_MAX     INT8_MAX
112#define INT_FAST16_MAX    INT16_MAX
113#define INT_FAST32_MAX    INT32_MAX
114#define INT_FAST64_MAX    INT64_MAX
115
116#define UINT_FAST8_MAX    UINT8_MAX
117#define UINT_FAST16_MAX   UINT16_MAX
118#define UINT_FAST32_MAX   UINT32_MAX
119#define UINT_FAST64_MAX   UINT64_MAX
120
121/* 7.18.2.4 Limits of integer types capable of holding object pointers */
122
123#if __WORDSIZE == 64
124#define INTPTR_MIN	  INT64_MIN
125#define INTPTR_MAX	  INT64_MAX
126#else
127#define INTPTR_MIN        INT32_MIN
128#define INTPTR_MAX        INT32_MAX
129#endif
130
131#if __WORDSIZE == 64
132#define UINTPTR_MAX	  UINT64_MAX
133#else
134#define UINTPTR_MAX       UINT32_MAX
135#endif
136
137/* 7.18.2.5 Limits of greatest-width integer types */
138#define INTMAX_MIN        INT64_MIN
139#define INTMAX_MAX        INT64_MAX
140
141#define UINTMAX_MAX       UINT64_MAX
142
143/* 7.18.3 "Other" */
144#if __WORDSIZE == 64
145#define PTRDIFF_MIN	  INT64_MIN
146#define PTRDIFF_MAX	  INT64_MAX
147#else
148#define PTRDIFF_MIN       INT32_MIN
149#define PTRDIFF_MAX       INT32_MAX
150#endif
151
152#if __WORDSIZE == 64
153#define SIZE_MAX	  UINT64_MAX
154#else
155#define SIZE_MAX          UINT32_MAX
156#endif
157
158#if defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1
159#define RSIZE_MAX         (SIZE_MAX >> 1)
160#endif
161
162#ifndef WCHAR_MAX
163#  ifdef __WCHAR_MAX__
164#    define WCHAR_MAX     __WCHAR_MAX__
165#  else
166#    define WCHAR_MAX     0x7fffffff
167#  endif
168#endif
169
170/* WCHAR_MIN should be 0 if wchar_t is an unsigned type and
171   (-WCHAR_MAX-1) if wchar_t is a signed type.  Unfortunately,
172   it turns out that -fshort-wchar changes the signedness of
173   the type. */
174#ifndef WCHAR_MIN
175#  if WCHAR_MAX == 0xffff
176#    define WCHAR_MIN       0
177#  else
178#    define WCHAR_MIN       (-WCHAR_MAX-1)
179#  endif
180#endif
181
182#define WINT_MIN	  INT32_MIN
183#define WINT_MAX	  INT32_MAX
184
185#define SIG_ATOMIC_MIN	  INT32_MIN
186#define SIG_ATOMIC_MAX	  INT32_MAX
187
188/* 7.18.4 Macros for integer constants */
189#define INT8_C(v)    (v)
190#define INT16_C(v)   (v)
191#define INT32_C(v)   (v)
192#define INT64_C(v)   (v ## LL)
193
194#define UINT8_C(v)   (v ## U)
195#define UINT16_C(v)  (v ## U)
196#define UINT32_C(v)  (v ## U)
197#define UINT64_C(v)  (v ## ULL)
198
199#ifdef __LP64__
200#define INTMAX_C(v)  (v ## L)
201#define UINTMAX_C(v) (v ## UL)
202#else
203#define INTMAX_C(v)  (v ## LL)
204#define UINTMAX_C(v) (v ## ULL)
205#endif
206
207#endif /* _STDINT_H_ */
208