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.
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)
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.
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. */
23 * ISO C 99 <stdint.h> for platforms that lack it.
24 * <http://www.opengroup.org/onlinepubs/007904975/basedefs/stdint.h.html>
27 /* Get wchar_t, WCHAR_MIN, WCHAR_MAX. */
29 /* Get CHAR_BIT, LONG_MIN, LONG_MAX, ULONG_MAX. */
32 /* Get those types that are already defined in other system include files. */
33 #if defined(__FreeBSD__)
34 # include <sys/inttypes.h>
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 HAVE_SYSTEM_INTTYPES
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 HAVE_SYSTEM_INTTYPES
51 #if !(defined(UNIX_CYGWIN32) && defined(__BIT_TYPES_DEFINED__))
52 # define NEED_SIGNED_INT_TYPES
55 #if !defined(HAVE_SYSTEM_INTTYPES)
57 /* 7.18.1.1. Exact-width integer types */
59 #if !defined(__FreeBSD__)
61 #ifdef NEED_SIGNED_INT_TYPES
62 typedef signed char int8_t;
64 typedef unsigned char uint8_t;
66 #ifdef NEED_SIGNED_INT_TYPES
67 typedef short int16_t;
69 typedef unsigned short uint16_t;
71 #ifdef NEED_SIGNED_INT_TYPES
74 typedef unsigned int uint32_t;
77 #ifdef NEED_SIGNED_INT_TYPES
80 typedef unsigned long uint64_t;
81 #elif @HAVE_LONG_LONG_64BIT@
82 #ifdef NEED_SIGNED_INT_TYPES
83 typedef long long int64_t;
85 typedef unsigned long long uint64_t;
86 #elif defined(_MSC_VER)
87 typedef __int64 int64_t;
88 typedef unsigned __int64 uint64_t;
93 /* 7.18.1.2. Minimum-width integer types */
95 typedef int8_t int_least8_t;
96 typedef uint8_t uint_least8_t;
97 typedef int16_t int_least16_t;
98 typedef uint16_t uint_least16_t;
99 typedef int32_t int_least32_t;
100 typedef uint32_t uint_least32_t;
101 #if @HAVE_LONG_64BIT@ || @HAVE_LONG_LONG_64BIT@ || defined(_MSC_VER)
102 typedef int64_t int_least64_t;
103 typedef uint64_t uint_least64_t;
106 /* 7.18.1.3. Fastest minimum-width integer types */
108 typedef int32_t int_fast8_t;
109 typedef uint32_t uint_fast8_t;
110 typedef int32_t int_fast16_t;
111 typedef uint32_t uint_fast16_t;
112 typedef int32_t int_fast32_t;
113 typedef uint32_t uint_fast32_t;
114 #if @HAVE_LONG_64BIT@ || @HAVE_LONG_LONG_64BIT@ || defined(_MSC_VER)
115 typedef int64_t int_fast64_t;
116 typedef uint64_t uint_fast64_t;
119 /* 7.18.1.4. Integer types capable of holding object pointers */
121 #if !defined(__FreeBSD__)
123 /* On some platforms (like IRIX6 MIPS with -n32) sizeof(void*) < sizeof(long),
124 but this doesn't matter here. */
125 typedef long intptr_t;
126 typedef unsigned long uintptr_t;
128 #endif /* !FreeBSD */
130 /* 7.18.1.5. Greatest-width integer types */
132 #if @HAVE_LONG_64BIT@ || @HAVE_LONG_LONG_64BIT@ || defined(_MSC_VER)
133 typedef int64_t intmax_t;
134 typedef uint64_t uintmax_t;
136 typedef int32_t intmax_t;
137 typedef uint32_t uintmax_t;
140 /* 7.18.2. Limits of specified-width integer types */
142 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
144 /* 7.18.2.1. Limits of exact-width integer types */
146 #define INT8_MIN -128
148 #define UINT8_MAX 255U
149 #define INT16_MIN -32768
150 #define INT16_MAX 32767
151 #define UINT16_MAX 65535U
152 #define INT32_MIN (~INT32_MAX)
153 #define INT32_MAX 2147483647
154 #define UINT32_MAX 4294967295U
155 #if @HAVE_LONG_64BIT@
156 #define INT64_MIN (~INT64_MIN)
157 #define INT64_MAX 9223372036854775807L
158 #define UINT64_MAX 18446744073709551615UL
159 #elif @HAVE_LONG_LONG_64BIT@
160 #define INT64_MIN (~INT64_MIN)
161 #define INT64_MAX 9223372036854775807LL
162 #define UINT64_MAX 18446744073709551615ULL
163 #elif defined(_MSC_VER)
164 #define INT64_MIN (~INT64_MIN)
165 #define INT64_MAX 9223372036854775807i64
166 #define UINT64_MAX 18446744073709551615ui64
169 /* 7.18.2.2. Limits of minimum-width integer types */
171 #define INT_LEAST8_MIN INT8_MIN
172 #define INT_LEAST8_MAX INT8_MAX
173 #define UINT_LEAST8_MAX UINT8_MAX
174 #define INT_LEAST16_MIN INT16_MIN
175 #define INT_LEAST16_MAX INT16_MAX
176 #define UINT_LEAST16_MAX UINT16_MAX
177 #define INT_LEAST32_MIN INT32_MIN
178 #define INT_LEAST32_MAX INT32_MAX
179 #define UINT_LEAST32_MAX UINT32_MAX
180 #if @HAVE_LONG_64BIT@ || @HAVE_LONG_LONG_64BIT@ || defined(_MSC_VER)
181 #define INT_LEAST64_MIN INT64_MIN
182 #define INT_LEAST64_MAX INT64_MAX
183 #define UINT_LEAST64_MAX UINT64_MAX
186 /* 7.18.2.3. Limits of fastest minimum-width integer types */
188 #define INT_FAST8_MIN INT32_MIN
189 #define INT_FAST8_MAX INT32_MAX
190 #define UINT_FAST8_MAX UINT32_MAX
191 #define INT_FAST16_MIN INT32_MIN
192 #define INT_FAST16_MAX INT32_MAX
193 #define UINT_FAST16_MAX UINT32_MAX
194 #define INT_FAST32_MIN INT32_MIN
195 #define INT_FAST32_MAX INT32_MAX
196 #define UINT_FAST32_MAX UINT32_MAX
197 #if @HAVE_LONG_64BIT@ || @HAVE_LONG_LONG_64BIT@ || defined(_MSC_VER)
198 #define INT_FAST64_MIN INT64_MIN
199 #define INT_FAST64_MAX INT64_MAX
200 #define UINT_FAST64_MAX UINT64_MAX
203 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
205 #define INTPTR_MIN LONG_MIN
206 #define INTPTR_MAX LONG_MAX
207 #define UINTPTR_MAX ULONG_MAX
209 /* 7.18.2.5. Limits of greatest-width integer types */
211 #if @HAVE_LONG_64BIT@ || @HAVE_LONG_LONG_64BIT@ || defined(_MSC_VER)
212 #define INTMAX_MIN INT64_MIN
213 #define INTMAX_MAX INT64_MAX
214 #define UINTMAX_MAX UINT64_MAX
216 #define INTMAX_MIN INT32_MIN
217 #define INTMAX_MAX INT32_MAX
218 #define UINTMAX_MAX UINT32_MAX
221 /* 7.18.3. Limits of other integer types */
223 #define PTRDIFF_MIN (~(ptrdiff_t)0 << (sizeof(ptrdiff_t)*CHAR_BIT-1))
224 #define PTRDIFF_MAX (~PTRDIFF_MIN)
226 /* This may be wrong... */
227 #define SIG_ATOMIC_MIN 0
228 #define SIG_ATOMIC_MAX 127
230 #define SIZE_MAX (~(size_t)0)
232 /* wchar_t limits already defined in <stddef.h>. */
233 /* wint_t limits already defined in <wchar.h>. */
237 /* 7.18.4. Macros for integer constants */
239 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
241 /* 7.18.4.1. Macros for minimum-width integer constants */
244 #define UINT8_C(x) x##U
246 #define UINT16_C(x) x##U
248 #define UINT32_C(x) x##U
249 #if @HAVE_LONG_64BIT@
250 #define INT64_C(x) x##L
251 #define UINT64_C(x) x##UL
252 #elif @HAVE_LONG_LONG_64BIT@
253 #define INT64_C(x) x##LL
254 #define UINT64_C(x) x##ULL
255 #elif defined(_MSC_VER)
256 #define INT64_C(x) x##i64
257 #define UINT64_C(x) x##ui64
260 /* 7.18.4.2. Macros for greatest-width integer constants */
262 #if @HAVE_LONG_64BIT@
263 #define INTMAX_C(x) x##L
264 #define UINTMAX_C(x) x##UL
265 #elif @HAVE_LONG_LONG_64BIT@
266 #define INTMAX_C(x) x##LL
267 #define UINTMAX_C(x) x##ULL
268 #elif defined(_MSC_VER)
269 #define INTMAX_C(x) x##i64
270 #define UINTMAX_C(x) x##ui64
272 #define INTMAX_C(x) x
273 #define UINTMAX_C(x) x##U
278 #endif /* !HAVE_SYSTEM_INTTYPES */
280 #endif /* _STDINT_H */