limits.h revision 1.1 1 /* $NetBSD: limits.h,v 1.1 1999/09/13 10:31:19 itojun Exp $ */
2
3 /*
4 * Copyright (c) 1988 The Regents of the University of California.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by the University of
18 * California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * @(#)limits.h 7.2 (Berkeley) 6/28/90
36 */
37
38 #ifndef _MACHINE_LIMITS_H_
39 #define _MACHINE_LIMITS_H_
40
41 #define CHAR_BIT 8 /* number of bits in a char */
42 #define MB_LEN_MAX 1 /* no multibyte characters */
43
44 #define SCHAR_MAX 0x7f /* max value for a signed char */
45 #define SCHAR_MIN (-0x7f-1) /* min value for a signed char */
46
47 #define UCHAR_MAX 0xffU /* max value for an unsigned char */
48 #define CHAR_MAX 0x7f /* max value for a char */
49 #define CHAR_MIN (-0x7f-1) /* min value for a char */
50
51 #define USHRT_MAX 0xffffU /* max value for an unsigned short */
52 #define SHRT_MAX 0x7fff /* max value for a short */
53 #define SHRT_MIN (-0x7fff-1) /* min value for a short */
54
55 #define UINT_MAX 0xffffffffU /* max value for an unsigned int */
56 #define INT_MAX 0x7fffffff /* max value for an int */
57 #define INT_MIN (-0x7fffffff-1) /* min value for an int */
58
59 #define ULONG_MAX 0xffffffffUL /* max value for an unsigned long */
60 #define LONG_MAX 0x7fffffffL /* max value for a long */
61 #define LONG_MIN (-0x7fffffffL-1) /* min value for a long */
62
63 #if !defined(_ANSI_SOURCE)
64 #define SSIZE_MAX INT_MAX /* max value for a ssize_t */
65
66 #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
67 #define SIZE_T_MAX UINT_MAX /* max value for a size_t */
68
69 #define UQUAD_MAX 0xffffffffffffffffULL /* max unsigned quad */
70 #define QUAD_MAX 0x7fffffffffffffffLL /* max signed quad */
71 #define QUAD_MIN (-0x7fffffffffffffffLL-1) /* min signed quad */
72
73 #endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
74 #endif /* !_ANSI_SOURCE */
75
76 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) || \
77 defined(_XOPEN_SOURCE)
78 #define LONG_BIT 32
79 #define WORD_BIT 32
80
81 #define DBL_DIG 15
82 #define DBL_MAX 1.7976931348623157E+308
83 #define DBL_MIN 2.2250738585072014E-308
84
85 #define FLT_DIG 6
86 #define FLT_MAX 3.40282347E+38F
87 #define FLT_MIN 1.17549435E-38F
88 #endif
89
90 #endif /* _MACHINE_LIMITS_H_ */
91