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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) 1990, 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: * @(#)ansi.h 8.2 (Berkeley) 1/4/94
55: */
56:
57: #ifndef _ANSI_H_
58: #define _ANSI_H_
59:
60: /*
61: * Types which are fundamental to the implementation and may appear in
62: * more than one standard header are defined here. Standard headers
63: * then use:
64: * #ifdef _BSD_SIZE_T_
65: * typedef _BSD_SIZE_T_ size_t;
66: * #undef _BSD_SIZE_T_
67: * #endif
68: */
69: #define _BSD_CLOCK_T_ unsigned long /* clock() */
70: #if defined(__GNUC__) && defined(__PTRDIFF_TYPE__) && defined(__SIZE_TYPE__)
71: #define _BSD_PTRDIFF_T_ __PTRDIFF_TYPE__ /* ptr1 - ptr2 */
72: #define _BSD_SIZE_T_ __SIZE_TYPE__ /* sizeof() */
73: #else
74: #define _BSD_PTRDIFF_T_ int /* ptr1 - ptr2 */
75: #define _BSD_SIZE_T_ unsigned long /* sizeof() */
76: #endif /* __GNUC__ */
77: #define _BSD_SSIZE_T_ int /* byte count or error */
78: #define _BSD_TIME_T_ long /* time() */
79: #define _BSD_VA_LIST_ void * /* va_list */
80:
81: /*
82: * Runes (wchar_t) is declared to be an ``int'' instead of the more natural
83: * ``unsigned long'' or ``long''. Two things are happening here. It is not
84: * unsigned so that EOF (-1) can be naturally assigned to it and used. Also,
85: * it looks like 10646 will be a 31 bit standard. This means that if your
86: * ints cannot hold 32 bits, you will be in trouble. The reason an int was
87: * chosen over a long is that the is*() and to*() routines take ints (says
88: * ANSI C), but they use _RUNE_T_ instead of int. By changing it here, you
89: * lose a bit of ANSI conformance, but your programs will still work.
90: *
91: * Note that _WCHAR_T_ and _RUNE_T_ must be of the same type. When wchar_t
92: * and rune_t are typedef'd, _WCHAR_T_ will be undef'd, but _RUNE_T remains
93: * defined for ctype.h.
94: */
95: #if defined(__GNUC__) && defined(__WCHAR_TYPE__)
96: #define _BSD_WCHAR_T_ __WCHAR_TYPE__ /* wchar_t */
97: #define _BSD_RUNE_T_ __WCHAR_TYPE__ /* rune_t */
98: #else
99: #define _BSD_WCHAR_T_ int /* wchar_t */
100: #define _BSD_RUNE_T_ int /* rune_t */
101: #endif /* __GNUC__ */
102:
103: #endif /* _ANSI_H_ */
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