1/*
2 * Copyright (c) 2000, 2001, 2003, 2004, 2008 Apple Computer, 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#ifndef _INT8_T
19#define _INT8_T
20typedef signed char           int8_t;
21#endif /*_INT8_T */
22
23#ifndef _INT16_T
24#define _INT16_T
25typedef short                int16_t;
26#endif /* _INT16_T */
27
28#ifndef _INT32_T
29#define _INT32_T
30typedef int                  int32_t;
31#endif /* _INT32_T */
32
33#ifndef _INT64_T
34#define _INT64_T
35typedef long long            int64_t;
36#endif /* _INT64_T */
37
38#ifndef _UINT8_T
39#define _UINT8_T
40typedef unsigned char         uint8_t;
41#endif /*_UINT8_T */
42
43#ifndef _UINT16_T
44#define _UINT16_T
45typedef unsigned short       uint16_t;
46#endif /* _UINT16_T */
47
48#ifndef _UINT32_T
49#define _UINT32_T
50typedef unsigned int         uint32_t;
51#endif /* _UINT32_T */
52
53#ifndef _UINT64_T
54#define _UINT64_T
55typedef unsigned long long   uint64_t;
56#endif /* _UINT64_T */
57
58/* 7.18.1.2 Minimum-width integer types */
59typedef int8_t           int_least8_t;
60typedef int16_t         int_least16_t;
61typedef int32_t         int_least32_t;
62typedef int64_t         int_least64_t;
63typedef uint8_t         uint_least8_t;
64typedef uint16_t       uint_least16_t;
65typedef uint32_t       uint_least32_t;
66typedef uint64_t       uint_least64_t;
67
68
69/* 7.18.1.3 Fastest-width integer types */
70typedef int8_t            int_fast8_t;
71typedef int16_t          int_fast16_t;
72typedef int32_t          int_fast32_t;
73typedef int64_t          int_fast64_t;
74typedef uint8_t          uint_fast8_t;
75typedef uint16_t        uint_fast16_t;
76typedef uint32_t        uint_fast32_t;
77typedef uint64_t        uint_fast64_t;
78
79
80/* 7.18.1.4 Integer types capable of holding object pointers */
81
82#ifndef _INTPTR_T
83#define _INTPTR_T
84typedef long   intptr_t;
85#endif /* _INTPTR_T */
86
87#ifndef _UINTPTR_T
88#define _UINTPTR_T
89typedef unsigned long   uintptr_t;
90#endif /* _UINTPTR_T */
91
92
93/* 7.18.1.5 Greatest-width integer types */
94#ifndef _INTMAX_T
95#define _INTMAX_T
96#ifdef __INTMAX_TYPE__
97typedef __INTMAX_TYPE__             intmax_t;
98#else /* __INTMAX_TYPE__ */
99typedef long long                intmax_t;
100#endif /* __INTMAX_TYPE__ */
101#endif /* _INTMAX_T */
102
103#ifndef _UINTMAX_T
104#define _UINTMAX_T
105#ifdef __UINTMAX_TYPE__
106typedef __UINTMAX_TYPE__             uintmax_t;
107#else /* __UINTMAX_TYPE__ */
108typedef unsigned long long      uintmax_t;
109#endif /* __UINTMAX_TYPE__ */
110#endif /* _UINTMAX_T */
111
112/* 7.18.2 Limits of specified-width integer types:
113 *   These #defines specify the minimum and maximum limits
114 *   of each of the types declared above.
115 */
116
117
118/* 7.18.2.1 Limits of exact-width integer types */
119#define INT8_MAX         127
120#define INT16_MAX        32767
121#define INT32_MAX        2147483647
122#define INT64_MAX        9223372036854775807LL
123
124#define INT8_MIN          -128
125#define INT16_MIN         -32768
126   /*
127      Note:  the literal "most negative int" cannot be written in C --
128      the rules in the standard (section 6.4.4.1 in C99) will give it
129      an unsigned type, so INT32_MIN (and the most negative member of
130      any larger signed type) must be written via a constant expression.
131   */
132#define INT32_MIN        (-INT32_MAX-1)
133#define INT64_MIN        (-INT64_MAX-1)
134
135#define UINT8_MAX         255
136#define UINT16_MAX        65535
137#define UINT32_MAX        4294967295U
138#define UINT64_MAX        18446744073709551615ULL
139
140/* 7.18.2.2 Limits of minimum-width integer types */
141#define INT_LEAST8_MIN    INT8_MIN
142#define INT_LEAST16_MIN   INT16_MIN
143#define INT_LEAST32_MIN   INT32_MIN
144#define INT_LEAST64_MIN   INT64_MIN
145
146#define INT_LEAST8_MAX    INT8_MAX
147#define INT_LEAST16_MAX   INT16_MAX
148#define INT_LEAST32_MAX   INT32_MAX
149#define INT_LEAST64_MAX   INT64_MAX
150
151#define UINT_LEAST8_MAX   UINT8_MAX
152#define UINT_LEAST16_MAX  UINT16_MAX
153#define UINT_LEAST32_MAX  UINT32_MAX
154#define UINT_LEAST64_MAX  UINT64_MAX
155
156/* 7.18.2.3 Limits of fastest minimum-width integer types */
157#define INT_FAST8_MIN     INT8_MIN
158#define INT_FAST16_MIN    INT16_MIN
159#define INT_FAST32_MIN    INT32_MIN
160#define INT_FAST64_MIN    INT64_MIN
161
162#define INT_FAST8_MAX     INT8_MAX
163#define INT_FAST16_MAX    INT16_MAX
164#define INT_FAST32_MAX    INT32_MAX
165#define INT_FAST64_MAX    INT64_MAX
166
167#define UINT_FAST8_MAX    UINT8_MAX
168#define UINT_FAST16_MAX   UINT16_MAX
169#define UINT_FAST32_MAX   UINT32_MAX
170#define UINT_FAST64_MAX   UINT64_MAX
171
172/* 7.18.2.4 Limits of integer types capable of holding object pointers */
173
174#if __WORDSIZE == 64
175#define INTPTR_MIN	  INT64_MIN
176#define INTPTR_MAX	  INT64_MAX
177#else
178#define INTPTR_MIN        INT32_MIN
179#define INTPTR_MAX        INT32_MAX
180#endif
181
182#if __WORDSIZE == 64
183#define UINTPTR_MAX	  UINT64_MAX
184#else
185#define UINTPTR_MAX       UINT32_MAX
186#endif
187
188/* 7.18.2.5 Limits of greatest-width integer types */
189#define INTMAX_MIN        INT64_MIN
190#define INTMAX_MAX        INT64_MAX
191
192#define UINTMAX_MAX       UINT64_MAX
193
194/* 7.18.3 "Other" */
195#if __WORDSIZE == 64
196#define PTRDIFF_MIN	  INT64_MIN
197#define PTRDIFF_MAX	  INT64_MAX
198#else
199#define PTRDIFF_MIN       INT32_MIN
200#define PTRDIFF_MAX       INT32_MAX
201#endif
202
203/* We have no sig_atomic_t yet, so no SIG_ATOMIC_{MIN,MAX}.
204   Should end up being {-127,127} or {0,255} ... or bigger.
205   My bet would be on one of {U}INT32_{MIN,MAX}. */
206
207#if __WORDSIZE == 64
208#define SIZE_MAX	  UINT64_MAX
209#else
210#define SIZE_MAX          UINT32_MAX
211#endif
212
213#ifndef WCHAR_MAX
214#  ifdef __WCHAR_MAX__
215#    define WCHAR_MAX     __WCHAR_MAX__
216#  else
217#    define WCHAR_MAX     0x7fffffff
218#  endif
219#endif
220
221/* WCHAR_MIN should be 0 if wchar_t is an unsigned type and
222   (-WCHAR_MAX-1) if wchar_t is a signed type.  Unfortunately,
223   it turns out that -fshort-wchar changes the signedness of
224   the type. */
225#ifndef WCHAR_MIN
226#  if WCHAR_MAX == 0xffff
227#    define WCHAR_MIN       0
228#  else
229#    define WCHAR_MIN       (-WCHAR_MAX-1)
230#  endif
231#endif
232
233#define WINT_MIN	  INT32_MIN
234#define WINT_MAX	  INT32_MAX
235
236#define SIG_ATOMIC_MIN	  INT32_MIN
237#define SIG_ATOMIC_MAX	  INT32_MAX
238
239/* 7.18.4 Macros for integer constants */
240#define INT8_C(v)    (v)
241#define INT16_C(v)   (v)
242#define INT32_C(v)   (v)
243#define INT64_C(v)   (v ## LL)
244
245#define UINT8_C(v)   (v ## U)
246#define UINT16_C(v)  (v ## U)
247#define UINT32_C(v)  (v ## U)
248#define UINT64_C(v)  (v ## ULL)
249
250#define INTMAX_C(v)  (v ## LL)
251#define UINTMAX_C(v) (v ## ULL)
252
253#endif /* _STDINT_H_ */
254