xref: /netbsd/external/gpl2/xcvs/dist/lib/stdint_.h (revision 6550d01e)
1 /* Copyright (C) 2001-2002, 2004-2005 Free Software Foundation, Inc.
2    Written by Bruno Haible, Sam Steingold, Peter Burwood.
3    This file is part of gnulib.
4 
5    This program is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 2, or (at your option)
8    any later version.
9 
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14 
15    You should have received a copy of the GNU General Public License
16    along with this program; if not, write to the Free Software Foundation,
17    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
18 
19 #ifndef _STDINT_H
20 #define _STDINT_H
21 
22 /*
23  * ISO C 99 <stdint.h> for platforms that lack it.
24  * <http://www.opengroup.org/onlinepubs/007904975/basedefs/stdint.h.html>
25  */
26 
27 /* Get wchar_t, WCHAR_MIN, WCHAR_MAX.  */
28 #include <stddef.h>
29 /* Get CHAR_BIT, LONG_MIN, LONG_MAX, ULONG_MAX.  */
30 #include <limits.h>
31 
32 /* Get those types that are already defined in other system include files.  */
33 #if defined(__FreeBSD__)
34 # include <sys/inttypes.h>
35 #endif
36 #if defined(__sun) && HAVE_SYS_INTTYPES_H
37 # include <sys/inttypes.h>
38   /* Solaris 7 <sys/inttypes.h> has the types except the *_fast*_t types, and
39      the macros except for *_FAST*_*, INTPTR_MIN, PTRDIFF_MIN, PTRDIFF_MAX.
40      But note that <sys/int_types.h> contains only the type definitions!  */
41 # define _STDINT_H_HAVE_SYSTEM_INTTYPES
42 #endif
43 #if (defined(__hpux) || defined(_AIX)) && HAVE_INTTYPES_H
44 # include <inttypes.h>
45   /* HP-UX 10 <inttypes.h> has nearly everything, except UINT_LEAST8_MAX,
46      UINT_FAST8_MAX, PTRDIFF_MIN, PTRDIFF_MAX.  */
47   /* AIX 4 <inttypes.h> has nearly everything, except INTPTR_MIN, INTPTR_MAX,
48      UINTPTR_MAX, PTRDIFF_MIN, PTRDIFF_MAX.  */
49 # define _STDINT_H_HAVE_SYSTEM_INTTYPES
50 #endif
51 #if !(defined(UNIX_CYGWIN32) && defined(__BIT_TYPES_DEFINED__))
52 # define _STDINT_H_NEED_SIGNED_INT_TYPES
53 #endif
54 
55 #if !defined(_STDINT_H_HAVE_SYSTEM_INTTYPES)
56 
57 /* 7.18.1.1. Exact-width integer types */
58 
59 #if !defined(__FreeBSD__)
60 
61 #ifdef _STDINT_H_NEED_SIGNED_INT_TYPES
62 typedef signed char    int8_t;
63 #endif
64 typedef unsigned char  uint8_t;
65 
66 #ifdef _STDINT_H_NEED_SIGNED_INT_TYPES
67 typedef short          int16_t;
68 #endif
69 typedef unsigned short uint16_t;
70 
71 #ifdef _STDINT_H_NEED_SIGNED_INT_TYPES
72 typedef int            int32_t;
73 #endif
74 typedef unsigned int   uint32_t;
75 
76 #if @HAVE_LONG_64BIT@
77 #ifdef _STDINT_H_NEED_SIGNED_INT_TYPES
78 typedef long           int64_t;
79 #endif
80 typedef unsigned long  uint64_t;
81 #define _STDINT_H_HAVE_INT64
82 #elif @HAVE_LONG_LONG_64BIT@
83 #ifdef _STDINT_H_NEED_SIGNED_INT_TYPES
84 typedef long long          int64_t;
85 #endif
86 typedef unsigned long long uint64_t;
87 #define _STDINT_H_HAVE_INT64
88 #elif defined(_MSC_VER)
89 typedef __int64          int64_t;
90 typedef unsigned __int64 uint64_t;
91 #define _STDINT_H_HAVE_INT64
92 #endif
93 
94 #endif /* !FreeBSD */
95 
96 /* 7.18.1.2. Minimum-width integer types */
97 
98 typedef int8_t   int_least8_t;
99 typedef uint8_t  uint_least8_t;
100 typedef int16_t  int_least16_t;
101 typedef uint16_t uint_least16_t;
102 typedef int32_t  int_least32_t;
103 typedef uint32_t uint_least32_t;
104 #ifdef _STDINT_H_HAVE_INT64
105 typedef int64_t  int_least64_t;
106 typedef uint64_t uint_least64_t;
107 #endif
108 
109 /* 7.18.1.3. Fastest minimum-width integer types */
110 
111 typedef int32_t  int_fast8_t;
112 typedef uint32_t uint_fast8_t;
113 typedef int32_t  int_fast16_t;
114 typedef uint32_t uint_fast16_t;
115 typedef int32_t  int_fast32_t;
116 typedef uint32_t uint_fast32_t;
117 #ifdef _STDINT_H_HAVE_INT64
118 typedef int64_t  int_fast64_t;
119 typedef uint64_t uint_fast64_t;
120 #endif
121 
122 /* 7.18.1.4. Integer types capable of holding object pointers */
123 
124 #if !defined(__FreeBSD__)
125 
126 /* On some platforms (like IRIX6 MIPS with -n32) sizeof(void*) < sizeof(long),
127    but this doesn't matter here.  */
128 typedef long          intptr_t;
129 typedef unsigned long uintptr_t;
130 
131 #endif /* !FreeBSD */
132 
133 /* 7.18.1.5. Greatest-width integer types */
134 
135 #ifdef _STDINT_H_HAVE_INT64
136 typedef int64_t  intmax_t;
137 typedef uint64_t uintmax_t;
138 #else
139 typedef int32_t  intmax_t;
140 typedef uint32_t uintmax_t;
141 #endif
142 
143 /* 7.18.2. Limits of specified-width integer types */
144 
145 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
146 
147 /* 7.18.2.1. Limits of exact-width integer types */
148 
149 #define INT8_MIN  -128
150 #define INT8_MAX   127
151 #define UINT8_MAX  255U
152 #define INT16_MIN  -32768
153 #define INT16_MAX   32767
154 #define UINT16_MAX  65535U
155 #define INT32_MIN   (~INT32_MAX)
156 #define INT32_MAX   2147483647
157 #define UINT32_MAX  4294967295U
158 #ifdef _STDINT_H_HAVE_INT64
159 #define INT64_MIN   (~INT64_MAX)
160 #if @HAVE_LONG_64BIT@
161 #define INT64_MAX   9223372036854775807L
162 #define UINT64_MAX 18446744073709551615UL
163 #elif @HAVE_LONG_LONG_64BIT@
164 #define INT64_MAX   9223372036854775807LL
165 #define UINT64_MAX 18446744073709551615ULL
166 #elif defined(_MSC_VER)
167 #define INT64_MAX   9223372036854775807i64
168 #define UINT64_MAX 18446744073709551615ui64
169 #endif
170 #endif
171 
172 /* 7.18.2.2. Limits of minimum-width integer types */
173 
174 #define INT_LEAST8_MIN INT8_MIN
175 #define INT_LEAST8_MAX INT8_MAX
176 #define UINT_LEAST8_MAX UINT8_MAX
177 #define INT_LEAST16_MIN INT16_MIN
178 #define INT_LEAST16_MAX INT16_MAX
179 #define UINT_LEAST16_MAX UINT16_MAX
180 #define INT_LEAST32_MIN INT32_MIN
181 #define INT_LEAST32_MAX INT32_MAX
182 #define UINT_LEAST32_MAX UINT32_MAX
183 #ifdef _STDINT_H_HAVE_INT64
184 #define INT_LEAST64_MIN INT64_MIN
185 #define INT_LEAST64_MAX INT64_MAX
186 #define UINT_LEAST64_MAX UINT64_MAX
187 #endif
188 
189 /* 7.18.2.3. Limits of fastest minimum-width integer types */
190 
191 #define INT_FAST8_MIN INT32_MIN
192 #define INT_FAST8_MAX INT32_MAX
193 #define UINT_FAST8_MAX UINT32_MAX
194 #define INT_FAST16_MIN INT32_MIN
195 #define INT_FAST16_MAX INT32_MAX
196 #define UINT_FAST16_MAX UINT32_MAX
197 #define INT_FAST32_MIN INT32_MIN
198 #define INT_FAST32_MAX INT32_MAX
199 #define UINT_FAST32_MAX UINT32_MAX
200 #ifdef _STDINT_H_HAVE_INT64
201 #define INT_FAST64_MIN INT64_MIN
202 #define INT_FAST64_MAX INT64_MAX
203 #define UINT_FAST64_MAX UINT64_MAX
204 #endif
205 
206 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
207 
208 #define INTPTR_MIN LONG_MIN
209 #define INTPTR_MAX LONG_MAX
210 #define UINTPTR_MAX ULONG_MAX
211 
212 /* 7.18.2.5. Limits of greatest-width integer types */
213 
214 #ifdef _STDINT_H_HAVE_INT64
215 #define INTMAX_MIN INT64_MIN
216 #define INTMAX_MAX INT64_MAX
217 #define UINTMAX_MAX UINT64_MAX
218 #else
219 #define INTMAX_MIN INT32_MIN
220 #define INTMAX_MAX INT32_MAX
221 #define UINTMAX_MAX UINT32_MAX
222 #endif
223 
224 /* 7.18.3. Limits of other integer types */
225 
226 #define PTRDIFF_MIN (~(ptrdiff_t)0 << (sizeof(ptrdiff_t)*CHAR_BIT-1))
227 #define PTRDIFF_MAX (~PTRDIFF_MIN)
228 
229 /* This may be wrong...  */
230 #define SIG_ATOMIC_MIN 0
231 #define SIG_ATOMIC_MAX 127
232 
233 #define SIZE_MAX (~(size_t)0)
234 
235 /* wchar_t limits already defined in <stddef.h>.  */
236 /* wint_t limits already defined in <wchar.h>.  */
237 
238 #endif
239 
240 /* 7.18.4. Macros for integer constants */
241 
242 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
243 
244 /* 7.18.4.1. Macros for minimum-width integer constants */
245 
246 #define INT8_C(x) x
247 #define UINT8_C(x) x##U
248 #define INT16_C(x) x
249 #define UINT16_C(x) x##U
250 #define INT32_C(x) x
251 #define UINT32_C(x) x##U
252 #if @HAVE_LONG_64BIT@
253 #define INT64_C(x) x##L
254 #define UINT64_C(x) x##UL
255 #elif @HAVE_LONG_LONG_64BIT@
256 #define INT64_C(x) x##LL
257 #define UINT64_C(x) x##ULL
258 #elif defined(_MSC_VER)
259 #define INT64_C(x) x##i64
260 #define UINT64_C(x) x##ui64
261 #endif
262 
263 /* 7.18.4.2. Macros for greatest-width integer constants */
264 
265 #if @HAVE_LONG_64BIT@
266 #define INTMAX_C(x) x##L
267 #define UINTMAX_C(x) x##UL
268 #elif @HAVE_LONG_LONG_64BIT@
269 #define INTMAX_C(x) x##LL
270 #define UINTMAX_C(x) x##ULL
271 #elif defined(_MSC_VER)
272 #define INTMAX_C(x) x##i64
273 #define UINTMAX_C(x) x##ui64
274 #else
275 #define INTMAX_C(x) x
276 #define UINTMAX_C(x) x##U
277 #endif
278 
279 #endif
280 
281 #endif  /* !_STDINT_H_HAVE_SYSTEM_INTTYPES */
282 
283 #endif /* _STDINT_H */
284