xref: /netbsd-src/sys/sys/common_int_const.h (revision 4157145332997ed41a32f59f5ad68402e647b9b2)
1 /*	$NetBSD: common_int_const.h,v 1.2 2022/05/26 09:55:31 rillig Exp $	*/
2 
3 /*-
4  * Copyright (c) 2014 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Joerg Sonnenberger.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _SYS_COMMON_INT_CONST_H_
33 #define _SYS_COMMON_INT_CONST_H_
34 
35 #ifndef __INTMAX_C_SUFFIX__
36 #error Your compiler does not provide integer constant suffix macros.
37 #endif
38 
39 #define __int_join_(c,suffix) c ## suffix
40 #define __int_join(c,suffix) __int_join_(c,suffix)
41 /*
42  * 7.18.4 Macros for integer constants
43  */
44 
45 /* 7.18.4.1 Macros for minimum-width integer constants */
46 
47 #define	INT8_C(c)	__int_join(c, __INT8_C_SUFFIX__)
48 #define	INT16_C(c)	__int_join(c, __INT16_C_SUFFIX__)
49 #define	INT32_C(c)	__int_join(c, __INT32_C_SUFFIX__)
50 #define	INT64_C(c)	__int_join(c, __INT64_C_SUFFIX__)
51 
52 #define	UINT8_C(c)	__int_join(c, __UINT8_C_SUFFIX__)
53 #define	UINT16_C(c)	__int_join(c, __UINT16_C_SUFFIX__)
54 #define	UINT32_C(c)	__int_join(c, __UINT32_C_SUFFIX__)
55 #define	UINT64_C(c)	__int_join(c, __UINT64_C_SUFFIX__)
56 
57 /* 7.18.4.2 Macros for greatest-width integer constants */
58 
59 #define	INTMAX_C(c)	__int_join(c, __INTMAX_C_SUFFIX__)
60 #define	UINTMAX_C(c)	__int_join(c, __UINTMAX_C_SUFFIX__)
61 
62 #endif /* _SYS_COMMON_INT_CONST_H_ */
63