FreeBSD/Linux Kernel Cross Reference
sys/sys/limits.h
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 * $FreeBSD: releng/5.1/sys/sys/limits.h 115164 2003-05-19 20:29:07Z kan $
34 */
35
36 #ifndef _SYS_LIMITS_H_
37 #define _SYS_LIMITS_H_
38
39 #include <sys/cdefs.h>
40 #include <machine/_limits.h>
41
42 #define CHAR_BIT __CHAR_BIT /* number of bits in a char */
43
44 #define SCHAR_MAX __SCHAR_MAX /* max value for a signed char */
45 #define SCHAR_MIN __SCHAR_MIN /* min value for a signed char */
46
47 #define UCHAR_MAX __UCHAR_MAX /* max value for an unsigned char */
48
49 #ifdef __CHAR_UNSIGNED__
50 #define CHAR_MAX UCHAR_MAX /* max value for a char */
51 #define CHAR_MIN 0 /* min value for a char */
52 #else
53 #define CHAR_MAX SCHAR_MAX
54 #define CHAR_MIN SCHAR_MIN
55 #endif
56
57 #define USHRT_MAX __USHRT_MAX /* max value for an unsigned short */
58 #define SHRT_MAX __SHRT_MAX /* max value for a short */
59 #define SHRT_MIN __SHRT_MIN /* min value for a short */
60
61 #define UINT_MAX __UINT_MAX /* max value for an unsigned int */
62 #define INT_MAX __INT_MAX /* max value for an int */
63 #define INT_MIN __INT_MIN /* min value for an int */
64
65 #define ULONG_MAX __ULONG_MAX /* max for an unsigned long */
66 #define LONG_MAX __LONG_MAX /* max for a long */
67 #define LONG_MIN __LONG_MIN /* min for a long */
68
69 #ifdef __LONG_LONG_SUPPORTED
70 #define ULLONG_MAX __ULLONG_MAX /* max for an unsigned long long */
71 #define LLONG_MAX __LLONG_MAX /* max for a long long */
72 #define LLONG_MIN __LLONG_MIN /* min for a long long */
73 #endif
74
75 #if __POSIX_VISIBLE || __XSI_VISIBLE
76 #define SSIZE_MAX __SSIZE_MAX /* max value for an ssize_t */
77 #endif
78
79 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
80 #define SIZE_T_MAX __SIZE_T_MAX /* max value for a size_t */
81
82 #define OFF_MAX __OFF_MAX /* max value for an off_t */
83 #define OFF_MIN __OFF_MIN /* min value for an off_t */
84 #endif
85
86 #if __BSD_VISIBLE
87 #define UQUAD_MAX (__UQUAD_MAX) /* max value for a uquad_t */
88 #define QUAD_MAX (__QUAD_MAX) /* max value for a quad_t */
89 #define QUAD_MIN (__QUAD_MIN) /* min value for a quad_t */
90 #endif
91
92 #if __XSI_VISIBLE
93 #define LONG_BIT __LONG_BIT
94 #define WORD_BIT __WORD_BIT
95 #endif
96
97 #endif /* !_SYS_LIMITS_H_ */
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