xref: /xnu-8020.140.41/bsd/arm/limits.h (revision 27b03b360a988dfd3dfdf34262bb0042026747cc)
1 /*
2  * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
3  */
4 /*
5  * Copyright (c) 1988, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	@(#)limits.h	8.3 (Berkeley) 1/4/94
37  */
38 
39 #ifndef _ARM_LIMITS_H_
40 #define _ARM_LIMITS_H_
41 
42 #if defined (__arm__) || defined (__arm64__)
43 
44 #include <sys/cdefs.h>
45 #include <arm/_limits.h>
46 
47 #define CHAR_BIT        8               /* number of bits in a char */
48 #define MB_LEN_MAX      6               /* Allow 31 bit UTF2 */
49 
50 #if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
51 #define CLK_TCK         __DARWIN_CLK_TCK        /* ticks per second */
52 #endif /* !_ANSI_SOURCE && (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
53 
54 /*
55  * According to ANSI (section 2.2.4.2), the values below must be usable by
56  * #if preprocessing directives.  Additionally, the expression must have the
57  * same type as would an expression that is an object of the corresponding
58  * type converted according to the integral promotions.  The subtraction for
59  * INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an
60  * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
61  * These numbers work for pcc as well.  The UINT_MAX and ULONG_MAX values
62  * are written as hex so that GCC will be quiet about large integer constants.
63  */
64 #define SCHAR_MAX       127             /* min value for a signed char */
65 #define SCHAR_MIN       (-128)          /* max value for a signed char */
66 
67 #define UCHAR_MAX       255             /* max value for an unsigned char */
68 #define CHAR_MAX        127             /* max value for a char */
69 #define CHAR_MIN        (-128)          /* min value for a char */
70 
71 #define USHRT_MAX       65535           /* max value for an unsigned short */
72 #define SHRT_MAX        32767           /* max value for a short */
73 #define SHRT_MIN        (-32768)        /* min value for a short */
74 
75 #define UINT_MAX        0xffffffff      /* max value for an unsigned int */
76 #define INT_MAX         2147483647      /* max value for an int */
77 #define INT_MIN         (-2147483647-1) /* min value for an int */
78 
79 #ifdef __LP64__
80 #define ULONG_MAX       0xffffffffffffffffUL    /* max unsigned long */
81 #define LONG_MAX        0x7fffffffffffffffL     /* max signed long */
82 #define LONG_MIN        (-0x7fffffffffffffffL-1) /* min signed long */
83 #else /* !__LP64__ */
84 #define ULONG_MAX       0xffffffffUL    /* max unsigned long */
85 #define LONG_MAX        2147483647L     /* max signed long */
86 #define LONG_MIN        (-2147483647L-1) /* min signed long */
87 #endif /* __LP64__ */
88 
89 #define ULLONG_MAX      0xffffffffffffffffULL   /* max unsigned long long */
90 #define LLONG_MAX       0x7fffffffffffffffLL    /* max signed long long */
91 #define LLONG_MIN       (-0x7fffffffffffffffLL-1) /* min signed long long */
92 
93 #if !defined(_ANSI_SOURCE)
94 #ifdef __LP64__
95 #define LONG_BIT        64
96 #else /* !__LP64__ */
97 #define LONG_BIT        32
98 #endif /* __LP64__ */
99 #define SSIZE_MAX       LONG_MAX        /* max value for a ssize_t */
100 #define WORD_BIT        32
101 
102 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || defined(_DARWIN_C_SOURCE)
103 #define SIZE_T_MAX      ULONG_MAX       /* max value for a size_t */
104 
105 #define UQUAD_MAX       ULLONG_MAX
106 #define QUAD_MAX        LLONG_MAX
107 #define QUAD_MIN        LLONG_MIN
108 
109 #endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || _DARWIN_C_SOURCE */
110 #endif /* !_ANSI_SOURCE */
111 
112 #endif /* defined (__arm__) || defined (__arm64__) */
113 
114 #endif /* _ARM_LIMITS_H_ */
115