xref: /netbsd/sys/arch/arm/include/int_limits.h (revision bf9ec67e)
1 /*	$NetBSD: int_limits.h,v 1.3 2001/09/03 01:51:39 matt Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Klaus Klein.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #ifndef _ARM_INT_LIMITS_H_
40 #define _ARM_INT_LIMITS_H_
41 
42 /*
43  * 7.18.2 Limits of specified-width integer types
44  */
45 
46 /* 7.18.2.1 Limits of exact-width integer types */
47 
48 /* minimum values of exact-width signed integer types */
49 #define	INT8_MIN	(-0x7f-1)			/* int8_t	  */
50 #define	INT16_MIN	(-0x7fff-1)			/* int16_t	  */
51 #define	INT32_MIN	(-0x7fffffff-1)			/* int32_t	  */
52 #define	INT64_MIN	(-0x7fffffffffffffffLL-1)	/* int64_t	  */
53 
54 /* maximum values of exact-width signed integer types */
55 #define	INT8_MAX	0x7f				/* int8_t	  */
56 #define	INT16_MAX	0x7fff				/* int16_t	  */
57 #define	INT32_MAX	0x7fffffff			/* int32_t	  */
58 #define	INT64_MAX	0x7fffffffffffffffLL		/* int64_t	  */
59 
60 /* maximum values of exact-width unsigned integer types */
61 #define	UINT8_MAX	0xffU				/* uint8_t	  */
62 #define	UINT16_MAX	0xffffU				/* uint16_t	  */
63 #define	UINT32_MAX	0xffffffffU			/* uint32_t	  */
64 #define	UINT64_MAX	0xffffffffffffffffULL		/* uint64_t	  */
65 
66 /* 7.18.2.2 Limits of minimum-width integer types */
67 
68 /* minimum values of minimum-width signed integer types */
69 #define	INT_LEAST8_MIN	(-0x7f-1)			/* int_least8_t	  */
70 #define	INT_LEAST16_MIN	(-0x7fff-1)			/* int_least16_t  */
71 #define	INT_LEAST32_MIN	(-0x7fffffff-1)			/* int_least32_t  */
72 #define	INT_LEAST64_MIN	(-0x7fffffffffffffffLL-1)	/* int_least64_t  */
73 
74 /* maximum values of minimum-width signed integer types */
75 #define	INT_LEAST8_MAX	0x7f				/* int_least8_t	  */
76 #define	INT_LEAST16_MAX	0x7fff				/* int_least16_t  */
77 #define	INT_LEAST32_MAX	0x7fffffff			/* int_least32_t  */
78 #define	INT_LEAST64_MAX	0x7fffffffffffffffLL		/* int_least64_t  */
79 
80 /* maximum values of minimum-width unsigned integer types */
81 #define	UINT_LEAST8_MAX	 0xffU				/* uint_least8_t  */
82 #define	UINT_LEAST16_MAX 0xffffU			/* uint_least16_t */
83 #define	UINT_LEAST32_MAX 0xffffffffU			/* uint_least32_t */
84 #define	UINT_LEAST64_MAX 0xffffffffffffffffULL		/* uint_least64_t */
85 
86 /* 7.18.2.3 Limits of fastest minimum-width integer types */
87 
88 /* minimum values of fastest minimum-width signed integer types */
89 #define	INT_FAST8_MIN	(-0x7fffffff-1)			/* int_fast8_t	  */
90 #define	INT_FAST16_MIN	(-0x7fffffff-1)			/* int_fast16_t	  */
91 #define	INT_FAST32_MIN	(-0x7fffffff-1)			/* int_fast32_t	  */
92 #define	INT_FAST64_MIN	(-0x7fffffffffffffffLL-1)	/* int_fast64_t	  */
93 
94 /* maximum values of fastest minimum-width signed integer types */
95 #define	INT_FAST8_MAX	0x7fffffff			/* int_fast8_t	  */
96 #define	INT_FAST16_MAX	0x7fffffff			/* int_fast16_t	  */
97 #define	INT_FAST32_MAX	0x7fffffff			/* int_fast32_t	  */
98 #define	INT_FAST64_MAX	0x7fffffffffffffffLL		/* int_fast64_t	  */
99 
100 /* maximum values of fastest minimum-width unsigned integer types */
101 #define	UINT_FAST8_MAX	0xffffffffU			/* uint_fast8_t	  */
102 #define	UINT_FAST16_MAX	0xffffffffU			/* uint_fast16_t  */
103 #define	UINT_FAST32_MAX	0xffffffffU			/* uint_fast32_t  */
104 #define	UINT_FAST64_MAX	0xffffffffffffffffULL		/* uint_fast64_t  */
105 
106 /* 7.18.2.4 Limits of integer types capable of holding object pointers */
107 
108 #ifdef __ELF__
109 #define	INTPTR_MIN	(-0x7fffffffL-1)		/* intptr_t	  */
110 #define	INTPTR_MAX	0x7fffffffL			/* intptr_t	  */
111 #define	UINTPTR_MAX	0xffffffffUL			/* uintptr_t	  */
112 #else
113 #define	INTPTR_MIN	(-0x7fffffff-1)			/* intptr_t	  */
114 #define	INTPTR_MAX	0x7fffffff			/* intptr_t	  */
115 #define	UINTPTR_MAX	0xffffffffU			/* uintptr_t	  */
116 #endif
117 
118 /* 7.18.2.5 Limits of greatest-width integer types */
119 
120 #define	INTMAX_MIN	(-0x7fffffffffffffffLL-1)	/* intmax_t	  */
121 #define	INTMAX_MAX	0x7fffffffffffffffLL		/* intmax_t	  */
122 #define	UINTMAX_MAX	0xffffffffffffffffULL		/* uintmax_t	  */
123 
124 
125 /*
126  * 7.18.3 Limits of other integer types
127  */
128 
129 /* limits of ptrdiff_t */
130 #ifdef __ELF__
131 #define	PTRDIFF_MIN	(-0x7fffffffL-1)		/* ptrdiff_t	  */
132 #define	PTRDIFF_MAX	0x7fffffffL			/* ptrdiff_t	  */
133 #else
134 #define	PTRDIFF_MIN	(-0x7fffffff-1)			/* ptrdiff_t	  */
135 #define	PTRDIFF_MAX	0x7fffffff			/* ptrdiff_t	  */
136 #endif
137 
138 /* limits of sig_atomic_t */
139 #define	SIG_ATOMIC_MIN	(-0x7fffffff-1)			/* sig_atomic_t	  */
140 #define	SIG_ATOMIC_MAX	0x7fffffff			/* sig_atomic_t	  */
141 
142 /* limit of size_t */
143 #ifdef __ELF__
144 #define	SIZE_MAX	0xffffffffUL			/* size_t	  */
145 #else
146 #define	SIZE_MAX	0xffffffffU			/* size_t	  */
147 #endif
148 
149 #ifndef WCHAR_MIN /* also possibly defined in <wchar.h> */
150 /* limits of wchar_t */
151 #define	WCHAR_MIN	(-0x7fffffff-1)			/* wchar_t	  */
152 #define	WCHAR_MAX	0x7fffffff			/* wchar_t	  */
153 
154 /* limits of wint_t */
155 #define	WINT_MIN	(-0x7fffffff-1)			/* wint_t	  */
156 #define	WINT_MAX	0x7fffffff			/* wint_t	  */
157 #endif
158 
159 #endif /* !_ARM_INT_LIMITS_H_ */
160