usr/src/uts/common/sys/int_types.h

   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_TYPES_H
  28 #define _SYS_INT_TYPES_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 /*
  33  * This file, <sys/int_types.h>, is part of the Sun Microsystems implementation
  34  * of <inttypes.h> defined in the ISO C standard, ISO/IEC 9899:1999
  35  * Programming language - C.
  36  *
  37  * Programs/Modules should not directly include this file.  Access to the
  38  * types defined in this file should be through the inclusion of one of the
  39  * following files:
  40  *
  41  *      <sys/types.h>           Provides only the "_t" types defined in this
  42  *                              file which is a subset of the contents of
  43  *                              <inttypes.h>.  (This can be appropriate for
  44  *                              all programs/modules except those claiming
  45  *                              ANSI-C conformance.)
  46  *
  47  *      <sys/inttypes.h>        Provides the Kernel and Driver appropriate
  48  *                              components of <inttypes.h>.
  49  *
  50  *      <inttypes.h>            For use by applications.
  51  *
  52  * See these files for more details.
  53  */
  54
  55 #include <sys/feature_tests.h>
  56
  57 #ifdef __cplusplus
  58 extern "C" {
  59 #endif
  60
  61 /*
  62  * Basic / Extended integer types
  63  *
  64  * The following defines the basic fixed-size integer types.
  65  *
  66  * Implementations are free to typedef them to Standard C integer types or
  67  * extensions that they support. If an implementation does not support one
  68  * of the particular integer data types below, then it should not define the
  69  * typedefs and macros corresponding to that data type.  Note that int8_t
  70  * is not defined in -Xs mode on ISAs for which the ABI specifies "char"
  71  * as an unsigned entity because there is no way to define an eight bit
  72  * signed integral.
  73  */
  74 #if defined(_CHAR_IS_SIGNED)
  75 typedef char                    int8_t;
  76 #else
  77 #if defined(__STDC__)
  78 typedef signed char             int8_t;
  79 #endif
  80 #endif
  81 typedef short                   int16_t;
  82 typedef int                     int32_t;
  83 #ifdef  _LP64
  84 #define _INT64_TYPE
  85 typedef long                    int64_t;
  86 #else   /* _ILP32 */
  87 #if defined(_LONGLONG_TYPE)
  88 #define _INT64_TYPE
  89 typedef long long               int64_t;
  90 #endif
  91 #endif
  92
  93 typedef unsigned char           uint8_t;
  94 typedef unsigned short          uint16_t;
  95 typedef unsigned int            uint32_t;
  96 #ifdef  _LP64
  97 typedef unsigned long           uint64_t;
  98 #else   /* _ILP32 */
  99 #if defined(_LONGLONG_TYPE)
 100 typedef unsigned long long      uint64_t;
 101 #endif
 102 #endif
 103
 104 /*
 105  * intmax_t and uintmax_t are to be the longest (in number of bits) signed
 106  * and unsigned integer types supported by the implementation.
 107  */
 108 #if defined(_INT64_TYPE)
 109 typedef int64_t                 intmax_t;
 110 typedef uint64_t                uintmax_t;
 111 #else
 112 typedef int32_t                 intmax_t;
 113 typedef uint32_t                uintmax_t;
 114 #endif
 115
 116 /*
 117  * intptr_t and uintptr_t are signed and unsigned integer types large enough
 118  * to hold any data pointer; that is, data pointers can be assigned into or
 119  * from these integer types without losing precision.
 120  */
 121 #if defined(_LP64) || defined(_I32LPx)
 122 typedef long                    intptr_t;
 123 typedef unsigned long           uintptr_t;
 124 #else
 125 typedef int                     intptr_t;
 126 typedef unsigned int            uintptr_t;
 127 #endif
 128
 129 /*
 130  * The following define the fastest integer types that can hold the
 131  * specified number of bits.
 132  */
 133 #if defined(_CHAR_IS_SIGNED)
 134 typedef char                    int_fast8_t;
 135 #else
 136 #if defined(__STDC__)
 137 typedef signed char             int_fast8_t;
 138 #endif
 139 #endif
 140 typedef int                     int_fast16_t;
 141 typedef int                     int_fast32_t;
 142 #ifdef  _LP64
 143 typedef long                    int_fast64_t;
 144 #else   /* _ILP32 */
 145 #if defined(_LONGLONG_TYPE)
 146 typedef long long               int_fast64_t;
 147 #endif
 148 #endif
 149
 150 typedef unsigned char           uint_fast8_t;
 151 typedef unsigned int            uint_fast16_t;
 152 typedef unsigned int            uint_fast32_t;
 153 #ifdef  _LP64
 154 typedef unsigned long           uint_fast64_t;
 155 #else   /* _ILP32 */
 156 #if defined(_LONGLONG_TYPE)
 157 typedef unsigned long long      uint_fast64_t;
 158 #endif
 159 #endif
 160
 161 /*
 162  * The following define the smallest integer types that can hold the
 163  * specified number of bits.
 164  */
 165 #if defined(_CHAR_IS_SIGNED)
 166 typedef char                    int_least8_t;
 167 #else
 168 #if defined(__STDC__)
 169 typedef signed char             int_least8_t;
 170 #endif
 171 #endif
 172 typedef short                   int_least16_t;
 173 typedef int                     int_least32_t;
 174 #ifdef  _LP64
 175 typedef long                    int_least64_t;
 176 #else   /* _ILP32 */
 177 #if defined(_LONGLONG_TYPE)
 178 typedef long long               int_least64_t;
 179 #endif
 180 #endif
 181
 182 typedef unsigned char           uint_least8_t;
 183 typedef unsigned short          uint_least16_t;
 184 typedef unsigned int            uint_least32_t;
 185 #ifdef  _LP64
 186 typedef unsigned long           uint_least64_t;
 187 #else   /* _ILP32 */
 188 #if defined(_LONGLONG_TYPE)
 189 typedef unsigned long long      uint_least64_t;
 190 #endif
 191 #endif
 192
 193 #ifdef __cplusplus
 194 }
 195 #endif
 196
 197 #endif /* _SYS_INT_TYPES_H */