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 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_INT_CONST_H 28 #define _SYS_INT_CONST_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * This file, <sys/int_const.h>, is part of the Sun Microsystems implementation 34 * of <inttypes.h> as proposed in the ISO/JTC1/SC22/WG14 C committee's working 35 * draft for the revision of the current ISO C standard, ISO/IEC 9899:1990 36 * Programming language - C. 37 * 38 * Programs/Modules should not directly include this file. Access to the 39 * types defined in this file should be through the inclusion of one of the 40 * following files: 41 * 42 * <sys/inttypes.h> Provides the Kernel and Driver appropriate 43 * components of <inttypes.h>. 44 * 45 * <inttypes.h> For use by applications. 46 * 47 * See these files for more details. 48 * 49 * Use at your own risk. This file will track the evolution of the revision 50 * of the current ISO C standard. As of February 1996, the committee is 51 * squarely behind the fixed sized types. 52 */ 53 54 #include <sys/feature_tests.h> 55 56 #ifdef __cplusplus 57 extern "C" { 58 #endif 59 60 /* 61 * Constants 62 * 63 * The following macros create constants of the types defined in 64 * <sys/int_types.h>. The intent is that: 65 * Constants defined using these macros have a specific size and 66 * signedness. The suffix used for int64_t and uint64_t (ll and ull) 67 * are for examples only. Implementations are permitted to use other 68 * suffixes. 69 * 70 * The "CSTYLED" comments are flags to an internal code style analysis tool 71 * telling it to silently accept the line which follows. This internal 72 * standard requires a space between arguments, but the historical, 73 * non-ANSI-C ``method'' of concatenation can't tolerate those spaces. 74 */ 75 #ifdef __STDC__ 76 /* CSTYLED */ 77 #define __CONCAT__(A,B) A ## B 78 #else 79 /* CSTYLED */ 80 #define __CONCAT__(A,B) A/**/B 81 #endif 82 83 #if defined(_CHAR_IS_SIGNED) || defined(__STDC__) 84 #define INT8_C(c) (c) 85 #endif 86 #define INT16_C(c) (c) 87 #define INT32_C(c) (c) 88 #ifdef _LP64 89 /* CSTYLED */ 90 #define INT64_C(c) __CONCAT__(c,l) 91 #else /* _ILP32 */ 92 #if defined(_LONGLONG_TYPE) 93 /* CSTYLED */ 94 #define INT64_C(c) __CONCAT__(c,ll) 95 #endif 96 #endif 97 98 /* CSTYLED */ 99 #define UINT8_C(c) __CONCAT__(c,u) 100 /* CSTYLED */ 101 #define UINT16_C(c) __CONCAT__(c,u) 102 /* CSTYLED */ 103 #define UINT32_C(c) __CONCAT__(c,u) 104 #ifdef _LP64 105 /* CSTYLED */ 106 #define UINT64_C(c) __CONCAT__(c,ul) 107 #else /* _ILP32 */ 108 #if defined(_LONGLONG_TYPE) 109 /* CSTYLED */ 110 #define UINT64_C(c) __CONCAT__(c,ull) 111 #endif 112 #endif 113 114 #ifdef _LP64 115 /* CSTYLED */ 116 #define INTMAX_C(c) __CONCAT__(c,l) 117 /* CSTYLED */ 118 #define UINTMAX_C(c) __CONCAT__(c,ul) 119 #else /* _ILP32 */ 120 #if defined(_LONGLONG_TYPE) 121 /* CSTYLED */ 122 #define INTMAX_C(c) __CONCAT__(c,ll) 123 /* CSTYLED */ 124 #define UINTMAX_C(c) __CONCAT__(c,ull) 125 #else 126 #define INTMAX_C(c) (c) 127 #define UINTMAX_C(c) (c) 128 #endif 129 #endif 130 131 #ifdef __cplusplus 132 } 133 #endif 134 135 #endif /* _SYS_INT_CONST_H */ 136