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;
90 /* 7.18.1.2. Minimum-width integer types */
92 typedef int8_t int_least8_t;
93 typedef uint8_t uint_least8_t;
94 typedef int16_t int_least16_t;
95 typedef uint16_t uint_least16_t;
96 typedef int32_t int_least32_t;
97 typedef uint32_t uint_least32_t;
98 #if @HAVE_LONG_64BIT@ || @HAVE_LONG_LONG_64BIT@
99 typedef int64_t int_least64_t;
100 typedef uint64_t uint_least64_t;
103 /* 7.18.1.3. Fastest minimum-width integer types */
105 typedef int32_t int_fast8_t;
106 typedef uint32_t uint_fast8_t;
107 typedef int32_t int_fast16_t;
108 typedef uint32_t uint_fast16_t;
109 typedef int32_t int_fast32_t;
110 typedef uint32_t uint_fast32_t;
111 #if @HAVE_LONG_64BIT@ || @HAVE_LONG_LONG_64BIT@
112 typedef int64_t int_fast64_t;
113 typedef uint64_t uint_fast64_t;
116 /* 7.18.1.4. Integer types capable of holding object pointers */
118 #if !defined(__FreeBSD__)
120 /* On some platforms (like IRIX6 MIPS with -n32) sizeof(void*) < sizeof(long),
121 but this doesn't matter here. */
122 typedef long intptr_t;
123 typedef unsigned long uintptr_t;
125 #endif /* !FreeBSD */
127 /* 7.18.1.5. Greatest-width integer types */
129 #if @HAVE_LONG_64BIT@ || @HAVE_LONG_LONG_64BIT@
130 typedef int64_t intmax_t;
131 typedef uint64_t uintmax_t;
133 typedef int32_t intmax_t;
134 typedef uint32_t uintmax_t;
137 /* 7.18.2. Limits of specified-width integer types */
139 #if !defined(__cplusplus) || defined(__STDC_LIMIT_MACROS)
141 /* 7.18.2.1. Limits of exact-width integer types */
143 #define INT8_MIN -128
145 #define UINT8_MAX 255U
146 #define INT16_MIN -32768
147 #define INT16_MAX 32767
148 #define UINT16_MAX 65535U
149 #define INT32_MIN (~INT32_MAX)
150 #define INT32_MAX 2147483647
151 #define UINT32_MAX 4294967295U
152 #if @HAVE_LONG_64BIT@
153 #define INT64_MIN (~INT64_MIN)
154 #define INT64_MAX 9223372036854775807L
155 #define UINT64_MAX 18446744073709551615UL
156 #elif @HAVE_LONG_LONG_64BIT@
157 #define INT64_MIN (~INT64_MIN)
158 #define INT64_MAX 9223372036854775807LL
159 #define UINT64_MAX 18446744073709551615ULL
162 /* 7.18.2.2. Limits of minimum-width integer types */
164 #define INT_LEAST8_MIN INT8_MIN
165 #define INT_LEAST8_MAX INT8_MAX
166 #define UINT_LEAST8_MAX UINT8_MAX
167 #define INT_LEAST16_MIN INT16_MIN
168 #define INT_LEAST16_MAX INT16_MAX
169 #define UINT_LEAST16_MAX UINT16_MAX
170 #define INT_LEAST32_MIN INT32_MIN
171 #define INT_LEAST32_MAX INT32_MAX
172 #define UINT_LEAST32_MAX UINT32_MAX
173 #if @HAVE_LONG_64BIT@ || @HAVE_LONG_LONG_64BIT@
174 #define INT_LEAST64_MIN INT64_MIN
175 #define INT_LEAST64_MAX INT64_MAX
176 #define UINT_LEAST64_MAX UINT64_MAX
179 /* 7.18.2.3. Limits of fastest minimum-width integer types */
181 #define INT_FAST8_MIN INT32_MIN
182 #define INT_FAST8_MAX INT32_MAX
183 #define UINT_FAST8_MAX UINT32_MAX
184 #define INT_FAST16_MIN INT32_MIN
185 #define INT_FAST16_MAX INT32_MAX
186 #define UINT_FAST16_MAX UINT32_MAX
187 #define INT_FAST32_MIN INT32_MIN
188 #define INT_FAST32_MAX INT32_MAX
189 #define UINT_FAST32_MAX UINT32_MAX
190 #if @HAVE_LONG_64BIT@ || @HAVE_LONG_LONG_64BIT@
191 #define INT_FAST64_MIN INT64_MIN
192 #define INT_FAST64_MAX INT64_MAX
193 #define UINT_FAST64_MAX UINT64_MAX
196 /* 7.18.2.4. Limits of integer types capable of holding object pointers */
198 #define INTPTR_MIN LONG_MIN
199 #define INTPTR_MAX LONG_MAX
200 #define UINTPTR_MAX ULONG_MAX
202 /* 7.18.2.5. Limits of greatest-width integer types */
204 #if @HAVE_LONG_64BIT@ || @HAVE_LONG_LONG_64BIT@
205 #define INTMAX_MIN INT64_MIN
206 #define INTMAX_MAX INT64_MAX
207 #define UINTMAX_MAX UINT64_MAX
209 #define INTMAX_MIN INT32_MIN
210 #define INTMAX_MAX INT32_MAX
211 #define UINTMAX_MAX UINT32_MAX
214 /* 7.18.3. Limits of other integer types */
216 #define PTRDIFF_MIN (~(ptrdiff_t)0 << (sizeof(ptrdiff_t)*CHAR_BIT-1))
217 #define PTRDIFF_MAX (~PTRDIFF_MIN)
219 /* This may be wrong... */
220 #define SIG_ATOMIC_MIN 0
221 #define SIG_ATOMIC_MAX 127
223 #define SIZE_MAX (~(size_t)0)
225 /* wchar_t limits already defined in <stddef.h>. */
226 /* wint_t limits already defined in <wchar.h>. */
230 /* 7.18.4. Macros for integer constants */
232 #if !defined(__cplusplus) || defined(__STDC_CONSTANT_MACROS)
234 /* 7.18.4.1. Macros for minimum-width integer constants */
237 #define UINT8_C(x) x##U
239 #define UINT16_C(x) x##U
241 #define UINT32_C(x) x##U
242 #if @HAVE_LONG_64BIT@
243 #define INT64_C(x) x##L
244 #define UINT64_C(x) x##UL
245 #elif @HAVE_LONG_LONG_64BIT@
246 #define INT64_C(x) x##LL
247 #define UINT64_C(x) x##ULL
250 /* 7.18.4.2. Macros for greatest-width integer constants */
252 #if @HAVE_LONG_64BIT@
253 #define INTMAX_C(x) x##L
254 #define UINTMAX_C(x) x##UL
255 #elif @HAVE_LONG_LONG_64BIT@
256 #define INTMAX_C(x) x##LL
257 #define UINTMAX_C(x) x##ULL
259 #define INTMAX_C(x) x
260 #define UINTMAX_C(x) x##U
265 #endif /* !HAVE_SYSTEM_INTTYPES */
267 #endif /* _STDINT_H */