limits.h revision 1.10 1 1.10 matt /* $NetBSD: limits.h,v 1.10 2002/11/03 22:55:24 matt Exp $ */
2 1.1 ws
3 1.10 matt /*
4 1.10 matt * Copyright (c) 1988, 1993
5 1.10 matt * The Regents of the University of California. All rights reserved.
6 1.1 ws *
7 1.1 ws * Redistribution and use in source and binary forms, with or without
8 1.1 ws * modification, are permitted provided that the following conditions
9 1.1 ws * are met:
10 1.1 ws * 1. Redistributions of source code must retain the above copyright
11 1.1 ws * notice, this list of conditions and the following disclaimer.
12 1.1 ws * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 ws * notice, this list of conditions and the following disclaimer in the
14 1.1 ws * documentation and/or other materials provided with the distribution.
15 1.1 ws * 3. All advertising materials mentioning features or use of this software
16 1.1 ws * must display the following acknowledgement:
17 1.10 matt * This product includes software developed by the University of
18 1.10 matt * California, Berkeley and its contributors.
19 1.10 matt * 4. Neither the name of the University nor the names of its contributors
20 1.10 matt * may be used to endorse or promote products derived from this software
21 1.10 matt * without specific prior written permission.
22 1.1 ws *
23 1.10 matt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 1.10 matt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 1.10 matt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 1.10 matt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 1.10 matt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 1.10 matt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 1.10 matt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 1.10 matt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 1.10 matt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 1.10 matt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 1.10 matt * SUCH DAMAGE.
34 1.10 matt *
35 1.10 matt * @(#)limits.h 8.3 (Berkeley) 1/4/94
36 1.1 ws */
37 1.1 ws
38 1.9 matt #ifndef _POWERPC_LIMITS_H_
39 1.9 matt #define _POWERPC_LIMITS_H_
40 1.2 perry
41 1.10 matt #define CHAR_BIT 8 /* number of bits in a char */
42 1.10 matt #define MB_LEN_MAX 32 /* Allow 31 bit UTF2 */
43 1.10 matt
44 1.10 matt /*
45 1.10 matt * According to ANSI (section 2.2.4.2), the values below must be usable by
46 1.10 matt * #if preprocessing directives. Additionally, the expression must have the
47 1.10 matt * same type as would an expression that is an object of the corresponding
48 1.10 matt * type converted according to the integral promotions. The subtraction for
49 1.10 matt * INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an
50 1.10 matt * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
51 1.10 matt * These numbers work for pcc as well. The UINT_MAX and ULONG_MAX values
52 1.10 matt * are written as hex so that GCC will be quiet about large integer constants.
53 1.10 matt */
54 1.10 matt #define SCHAR_MAX 0x7f /* min value for a signed char */
55 1.10 matt #define SCHAR_MIN (-0x7f-1) /* max value for a signed char */
56 1.10 matt
57 1.10 matt #define UCHAR_MAX 0xffU /* max value for an unsigned char */
58 1.10 matt #define CHAR_MAX 0xffU /* max value for a char */
59 1.10 matt #define CHAR_MIN 0 /* min value for a char */
60 1.10 matt
61 1.10 matt #define USHRT_MAX 0xffffU /* max value for an unsigned short */
62 1.10 matt #define SHRT_MAX 0x7fff /* max value for a short */
63 1.10 matt #define SHRT_MIN (-0x7fff-1) /* min value for a short */
64 1.10 matt
65 1.10 matt #define UINT_MAX 0xffffffffU /* max value for an unsigned int */
66 1.10 matt #define INT_MAX 0x7fffffff /* max value for an int */
67 1.10 matt #define INT_MIN (-0x7fffffff-1) /* min value for an int */
68 1.10 matt
69 1.10 matt #ifdef _LP64
70 1.10 matt #define ULONG_MAX 0xffffffffffffffffUL /* max for an unsigned long */
71 1.10 matt #define LONG_MAX 0x7fffffffffffffffL /* max for a long */
72 1.10 matt #define LONG_MIN (-0x7fffffffffffffffL-1) /* min for a long */
73 1.10 matt #else
74 1.10 matt #define ULONG_MAX 0xffffffffUL /* max value for an unsigned long */
75 1.10 matt #define LONG_MAX 0x7fffffffL /* max value for a long */
76 1.10 matt #define LONG_MIN (-0x7fffffff-1) /* min value for a long */
77 1.10 matt #endif
78 1.1 ws
79 1.1 ws #if !defined(_ANSI_SOURCE)
80 1.10 matt #ifdef _LP64
81 1.10 matt #define SSIZE_MAX LONG_MAX /* max value for a ssize_t */
82 1.10 matt #else
83 1.3 thorpej #define SSIZE_MAX INT_MAX /* max value for a ssize_t */
84 1.10 matt #endif
85 1.6 kleink
86 1.6 kleink #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) || \
87 1.6 kleink defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L
88 1.6 kleink #define ULLONG_MAX 0xffffffffffffffffULL /* max unsigned long long */
89 1.6 kleink #define LLONG_MAX 0x7fffffffffffffffLL /* max signed long long */
90 1.6 kleink #define LLONG_MIN (-0x7fffffffffffffffLL-1) /* min signed long long */
91 1.6 kleink #endif
92 1.1 ws
93 1.4 kleink #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
94 1.10 matt #ifdef _LP64
95 1.10 matt #define SIZE_T_MAX ULONG_MAX /* max value for a size_t */
96 1.10 matt #else
97 1.1 ws #define SIZE_T_MAX UINT_MAX /* max value for a size_t */
98 1.10 matt #endif
99 1.1 ws
100 1.10 matt #ifdef _LP64
101 1.10 matt /* Quads and longs are the same on LP64. */
102 1.10 matt #define UQUAD_MAX (ULONG_MAX)
103 1.10 matt #define QUAD_MAX (LONG_MAX)
104 1.10 matt #define QUAD_MIN (LONG_MIN)
105 1.10 matt #else
106 1.10 matt /* GCC requires that quad constants be written as expressions. */
107 1.10 matt #define UQUAD_MAX ((u_quad_t)0-1) /* max value for a uquad_t */
108 1.10 matt /* max value for a quad_t */
109 1.10 matt #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1))
110 1.10 matt #define QUAD_MIN (-QUAD_MAX-1) /* min value for a quad_t */
111 1.10 matt #endif
112 1.3 thorpej
113 1.10 matt #endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
114 1.10 matt #endif /* !_ANSI_SOURCE */
115 1.5 mycroft
116 1.5 mycroft #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) || \
117 1.5 mycroft defined(_XOPEN_SOURCE)
118 1.10 matt #ifdef _LP64
119 1.10 matt #define LONG_BIT 64
120 1.10 matt #else
121 1.5 mycroft #define LONG_BIT 32
122 1.10 matt #endif
123 1.5 mycroft #define WORD_BIT 32
124 1.5 mycroft
125 1.5 mycroft #define DBL_DIG 15
126 1.5 mycroft #define DBL_MAX 1.7976931348623157E+308
127 1.5 mycroft #define DBL_MIN 2.2250738585072014E-308
128 1.5 mycroft
129 1.5 mycroft #define FLT_DIG 6
130 1.5 mycroft #define FLT_MAX 3.40282347E+38F
131 1.5 mycroft #define FLT_MIN 1.17549435E-38F
132 1.5 mycroft #endif
133 1.2 perry
134 1.9 matt #endif /* _POWERPC_LIMITS_H_ */
135