1 /*  $NetBSD: int_limits.h,v 1.3 2005/12/11 12:16:25 christos 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 _AMD64_INT_LIMITS_H_
40 #define _AMD64_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 #define INTPTR_MIN  (-0x7fffffffffffffffLL-1)  /* intptr_t   */
109 #define INTPTR_MAX  0x7fffffffffffffffLL   /* intptr_t   */
110 #define UINTPTR_MAX 0xffffffffffffffffULL    /* uintptr_t    */
111 
112 /* 7.18.2.5 Limits of greatest-width integer types */
113 
114 #define INTMAX_MIN  (-0x7fffffffffffffffLL-1)  /* intmax_t   */
115 #define INTMAX_MAX  0x7fffffffffffffffLL   /* intmax_t   */
116 #define UINTMAX_MAX 0xffffffffffffffffULL    /* uintmax_t    */
117 
118 
119 /*
120  * 7.18.3 Limits of other integer types
121  */
122 
123 /* limits of ptrdiff_t */
124 #define PTRDIFF_MIN (-0x7fffffffffffffffLL-1)  /* ptrdiff_t    */
125 #define PTRDIFF_MAX 0x7fffffffffffffffLL   /* ptrdiff_t    */
126 
127 /* limits of sig_atomic_t */
128 #define SIG_ATOMIC_MIN  (-0x7fffffffffffffffLL-1)  /* sig_atomic_t   */
129 #define SIG_ATOMIC_MAX  0x7fffffffffffffffLL   /* sig_atomic_t   */
130 
131 /* limit of size_t */
132 #define SIZE_MAX  0xffffffffffffffffULL    /* size_t   */
133 #define SIZE_T_MAX  SIZE_MAX
134 
135 #endif /* !_AMD64_INT_LIMITS_H_ */
136