master
1/*
2 * Copyright (c) 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)limits.h 8.3 (Berkeley) 1/4/94
34 */
35
36#ifndef _I386_LIMITS_H_
37#define _I386_LIMITS_H_
38
39#if defined (__i386__) || defined (__x86_64__)
40
41#include <sys/cdefs.h>
42#include <i386/_limits.h>
43
44#if defined(__has_feature) && __has_feature(modules)
45#define USE_CLANG_LIMITS 1
46#else
47#define USE_CLANG_LIMITS 0
48#endif
49
50#undef MB_LEN_MAX
51#define MB_LEN_MAX 6 /* Allow 31 bit UTF2 */
52
53#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
54#define CLK_TCK __DARWIN_CLK_TCK /* ticks per second */
55#endif /* !_ANSI_SOURCE && (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
56
57#if (defined(__has_include) && __has_include(<__xnu_libcxx_sentinel.h>))
58
59#if !__has_include_next(<limits.h>)
60#error Do not build with -nostdinc (use GCC_USE_STANDARD_INCLUDE_SEARCHING=NO)
61#else
62#include_next <limits.h>
63#endif /* __has_include_next */
64
65#elif !USE_CLANG_LIMITS
66
67#define CHAR_BIT 8 /* number of bits in a char */
68
69/*
70 * According to ANSI (section 2.2.4.2), the values below must be usable by
71 * #if preprocessing directives. Additionally, the expression must have the
72 * same type as would an expression that is an object of the corresponding
73 * type converted according to the integral promotions. The subtraction for
74 * INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an
75 * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
76 * These numbers work for pcc as well. The UINT_MAX and ULONG_MAX values
77 * are written as hex so that GCC will be quiet about large integer constants.
78 */
79#define SCHAR_MAX 127 /* min value for a signed char */
80#define SCHAR_MIN (-128) /* max value for a signed char */
81
82#define UCHAR_MAX 255 /* max value for an unsigned char */
83#define CHAR_MAX 127 /* max value for a char */
84#define CHAR_MIN (-128) /* min value for a char */
85
86#define USHRT_MAX 65535 /* max value for an unsigned short */
87#define SHRT_MAX 32767 /* max value for a short */
88#define SHRT_MIN (-32768) /* min value for a short */
89
90#define UINT_MAX 0xffffffff /* max value for an unsigned int */
91#define INT_MAX 2147483647 /* max value for an int */
92#define INT_MIN (-2147483647-1) /* min value for an int */
93
94#ifdef __LP64__
95#define ULONG_MAX 0xffffffffffffffffUL /* max unsigned long */
96#define LONG_MAX 0x7fffffffffffffffL /* max signed long */
97#define LONG_MIN (-0x7fffffffffffffffL-1) /* min signed long */
98#else /* !__LP64__ */
99#define ULONG_MAX 0xffffffffUL /* max unsigned long */
100#define LONG_MAX 2147483647L /* max signed long */
101#define LONG_MIN (-2147483647L-1) /* min signed long */
102#endif /* __LP64__ */
103
104#define ULLONG_MAX 0xffffffffffffffffULL /* max unsigned long long */
105#define LLONG_MAX 0x7fffffffffffffffLL /* max signed long long */
106#define LLONG_MIN (-0x7fffffffffffffffLL-1) /* min signed long long */
107
108#endif /* !USE_CLANG_LIMITS */
109
110#if !defined(_ANSI_SOURCE)
111#ifdef __LP64__
112#define LONG_BIT 64
113#else /* !__LP64__ */
114#define LONG_BIT 32
115#endif /* __LP64__ */
116#define SSIZE_MAX LONG_MAX /* max value for a ssize_t */
117#define WORD_BIT 32
118
119#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || defined(_DARWIN_C_SOURCE)
120#define SIZE_T_MAX ULONG_MAX /* max value for a size_t */
121
122#define UQUAD_MAX ULLONG_MAX
123#define QUAD_MAX LLONG_MAX
124#define QUAD_MIN LLONG_MIN
125
126#endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || _DARWIN_C_SOURCE */
127#endif /* !_ANSI_SOURCE */
128
129#undef USE_CLANG_LIMITS
130
131#endif /* defined (__i386__) || defined (__x86_64__) */
132
133#endif /* _I386_LIMITS_H_ */