xref: /illumos-gate/usr/src/head/iso/limits_iso.h (revision 804635d7bfa86d5f677fada06cb30420313f1159)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1988 AT&T	*/
28 /*	  All Rights Reserved	*/
29 
30 
31 /*
32  * An application should not include this header directly.  Instead it
33  * should be included only through the inclusion of other Sun headers.
34  *
35  * The contents of this header is limited to identifiers specified in the
36  * C Standard.  Any new identifiers specified in future amendments to the
37  * C Standard must be placed in this header.  If these new identifiers
38  * are required to also be in the C++ Standard "std" namespace, then for
39  * anything other than macro definitions, corresponding "using" directives
40  * must also be added to <limits.h>.
41  */
42 
43 #ifndef _ISO_LIMITS_ISO_H
44 #define	_ISO_LIMITS_ISO_H
45 
46 #ifdef	__cplusplus
47 extern "C" {
48 #endif
49 
50 /*
51  * Sizes of integral types
52  */
53 #define	CHAR_BIT	8		/* max # of bits in a "char" */
54 #define	SCHAR_MIN	(-128)		/* min value of a "signed char" */
55 #define	SCHAR_MAX	127		/* max value of a "signed char" */
56 #define	UCHAR_MAX	255		/* max value of an "unsigned char" */
57 
58 #define	MB_LEN_MAX	5
59 
60 #if defined(_CHAR_IS_SIGNED)
61 #define	CHAR_MIN	SCHAR_MIN	/* min value of a "char" */
62 #define	CHAR_MAX	SCHAR_MAX	/* max value of a "char" */
63 #elif defined(_CHAR_IS_UNSIGNED)
64 #define	CHAR_MIN	0		/* min value of a "char" */
65 #define	CHAR_MAX	UCHAR_MAX	/* max value of a "char" */
66 #else
67 #error "chars are signed or unsigned"
68 #endif
69 
70 #define	SHRT_MIN	(-32768)	/* min value of a "short int" */
71 #define	SHRT_MAX	32767		/* max value of a "short int" */
72 #define	USHRT_MAX	65535		/* max value of "unsigned short int" */
73 #define	INT_MIN		(-2147483647-1)	/* min value of an "int" */
74 #define	INT_MAX		2147483647	/* max value of an "int" */
75 #define	UINT_MAX	4294967295U	/* max value of an "unsigned int" */
76 #if defined(_LP64)
77 #define	LONG_MIN	(-9223372036854775807L-1L)
78 					/* min value of a "long int" */
79 #define	LONG_MAX	9223372036854775807L
80 					/* max value of a "long int" */
81 #define	ULONG_MAX	18446744073709551615UL
82 					/* max value of "unsigned long int" */
83 #else	/* _ILP32 */
84 #define	LONG_MIN	(-2147483647L-1L)
85 					/* min value of a "long int" */
86 #define	LONG_MAX	2147483647L	/* max value of a "long int" */
87 #define	ULONG_MAX	4294967295UL	/* max value of "unsigned long int" */
88 #endif
89 #if !defined(_STRICT_STDC) || defined(_STDC_C99) || defined(__EXTENSIONS__)
90 #define	LLONG_MIN	(-9223372036854775807LL-1LL)
91 					/* min value of a long long */
92 #define	LLONG_MAX	9223372036854775807LL
93 					/* max value of a long long */
94 #define	ULLONG_MAX	18446744073709551615ULL
95 					/* max value of "unsigned long long */
96 #endif /* !defined(_STRICT_STDC) || defined(_STDC_C99)... */
97 
98 #ifdef	__cplusplus
99 }
100 #endif
101 
102 #endif	/* _ISO_LIMITS_ISO_H */
103