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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /*
23: * Copyright (c) 1988, 1993
24: * The Regents of the University of California. All rights reserved.
25: *
26: * Redistribution and use in source and binary forms, with or without
27: * modification, are permitted provided that the following conditions
28: * are met:
29: * 1. Redistributions of source code must retain the above copyright
30: * notice, this list of conditions and the following disclaimer.
31: * 2. Redistributions in binary form must reproduce the above copyright
32: * notice, this list of conditions and the following disclaimer in the
33: * documentation and/or other materials provided with the distribution.
34: * 3. All advertising materials mentioning features or use of this software
35: * must display the following acknowledgement:
36: * This product includes software developed by the University of
37: * California, Berkeley and its contributors.
38: * 4. Neither the name of the University nor the names of its contributors
39: * may be used to endorse or promote products derived from this software
40: * without specific prior written permission.
41: *
42: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
43: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
46: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52: * SUCH DAMAGE.
53: *
54: * @(#)limits.h 8.3 (Berkeley) 1/4/94
55: */
56: /*
57: * HISTORY
58: *
59: * 10-July-97 Umesh Vaishampayan ([email protected])
60: * Avoid multiple includes.
61: */
62:
63: #ifndef _I386_LIMITS_H_
64: #define _I386_LIMITS_H_
65:
66: #define CHAR_BIT 8 /* number of bits in a char */
67: #define MB_LEN_MAX 6 /* Allow 31 bit UTF2 */
68:
69:
70: #define CLK_TCK 100 /* ticks per second */
71:
72: /*
73: * According to ANSI (section 2.2.4.2), the values below must be usable by
74: * #if preprocessing directives. Additionally, the expression must have the
75: * same type as would an expression that is an object of the corresponding
76: * type converted according to the integral promotions. The subtraction for
77: * INT_MIN and LONG_MIN is so the value is not unsigned; 2147483648 is an
78: * unsigned int for 32-bit two's complement ANSI compilers (section 3.1.3.2).
79: * These numbers work for pcc as well. The UINT_MAX and ULONG_MAX values
80: * are written as hex so that GCC will be quiet about large integer constants.
81: */
82: #define SCHAR_MAX 127 /* min value for a signed char */
83: #define SCHAR_MIN (-128) /* max value for a signed char */
84:
85: #define UCHAR_MAX 255 /* max value for an unsigned char */
86: #define CHAR_MAX 127 /* max value for a char */
87: #define CHAR_MIN (-128) /* min value for a char */
88:
89: #define USHRT_MAX 65535 /* max value for an unsigned short */
90: #define SHRT_MAX 32767 /* max value for a short */
91: #define SHRT_MIN (-32768) /* min value for a short */
92:
93: #define UINT_MAX 0xffffffff /* max value for an unsigned int */
94: #define INT_MAX 2147483647 /* max value for an int */
95: #define INT_MIN (-2147483647-1) /* min value for an int */
96:
97: #define ULONG_MAX 0xffffffff /* max value for an unsigned long */
98: #define LONG_MAX 2147483647 /* max value for a long */
99: #define LONG_MIN (-2147483647-1) /* min value for a long */
100:
101: #if !defined(_ANSI_SOURCE)
102: #define SSIZE_MAX INT_MAX /* max value for a ssize_t */
103:
104: #if !defined(_POSIX_SOURCE)
105: #define SIZE_T_MAX UINT_MAX /* max value for a size_t */
106:
107: /* GCC requires that quad constants be written as expressions. */
108: #define UQUAD_MAX ((u_quad_t)0-1) /* max value for a uquad_t */
109: /* max value for a quad_t */
110: #define QUAD_MAX ((quad_t)(UQUAD_MAX >> 1))
111: #define QUAD_MIN (-QUAD_MAX-1) /* min value for a quad_t */
112:
113: #endif /* !_POSIX_SOURCE */
114: #endif /* !_ANSI_SOURCE */
115:
116: #endif /* _I386_LIMITS_H_ */
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