include/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 2014 Garrett D'Amore <garrett@damore.org>
  24  *
  25  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  26  * Use is subject to license terms.
  27  */
  28
  29 #ifndef _SYS_INT_TYPES_H
  30 #define _SYS_INT_TYPES_H
  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 typedef signed char             int8_t;
  78 #endif
  79 typedef short                   int16_t;
  80 typedef int                     int32_t;
  81 #ifdef  _LP64
  82 #define _INT64_TYPE
  83 typedef long                    int64_t;
  84 #else   /* _ILP32 */
  85 #if defined(_LONGLONG_TYPE)
  86 #define _INT64_TYPE
  87 typedef long long               int64_t;
  88 #endif
  89 #endif
  90
  91 typedef unsigned char           uint8_t;
  92 typedef unsigned short          uint16_t;
  93 typedef unsigned int            uint32_t;
  94 #ifdef  _LP64
  95 typedef unsigned long           uint64_t;
  96 #else   /* _ILP32 */
  97 #if defined(_LONGLONG_TYPE)
  98 typedef unsigned long long      uint64_t;
  99 #endif
 100 #endif
 101
 102 /*
 103  * intmax_t and uintmax_t are to be the longest (in number of bits) signed
 104  * and unsigned integer types supported by the implementation.
 105  */
 106 #if defined(_INT64_TYPE)
 107 typedef int64_t                 intmax_t;
 108 typedef uint64_t                uintmax_t;
 109 #else
 110 typedef int32_t                 intmax_t;
 111 typedef uint32_t                uintmax_t;
 112 #endif
 113
 114 /*
 115  * intptr_t and uintptr_t are signed and unsigned integer types large enough
 116  * to hold any data pointer; that is, data pointers can be assigned into or
 117  * from these integer types without losing precision.
 118  */
 119 #if defined(_LP64) || defined(_I32LPx)
 120 typedef long                    intptr_t;
 121 typedef unsigned long           uintptr_t;
 122 #else
 123 typedef int                     intptr_t;
 124 typedef unsigned int            uintptr_t;
 125 #endif
 126
 127 /*
 128  * The following define the fastest integer types that can hold the
 129  * specified number of bits.
 130  */
 131 #if defined(_CHAR_IS_SIGNED)
 132 typedef char                    int_fast8_t;
 133 #else
 134 typedef signed char             int_fast8_t;
 135 #endif
 136 typedef int                     int_fast16_t;
 137 typedef int                     int_fast32_t;
 138 #ifdef  _LP64
 139 typedef long                    int_fast64_t;
 140 #else   /* _ILP32 */
 141 #if defined(_LONGLONG_TYPE)
 142 typedef long long               int_fast64_t;
 143 #endif
 144 #endif
 145
 146 typedef unsigned char           uint_fast8_t;
 147 typedef unsigned int            uint_fast16_t;
 148 typedef unsigned int            uint_fast32_t;
 149 #ifdef  _LP64
 150 typedef unsigned long           uint_fast64_t;
 151 #else   /* _ILP32 */
 152 #if defined(_LONGLONG_TYPE)
 153 typedef unsigned long long      uint_fast64_t;
 154 #endif
 155 #endif
 156
 157 /*
 158  * The following define the smallest integer types that can hold the
 159  * specified number of bits.
 160  */
 161 #if defined(_CHAR_IS_SIGNED)
 162 typedef char                    int_least8_t;
 163 #else
 164 typedef signed char             int_least8_t;
 165 #endif
 166 typedef short                   int_least16_t;
 167 typedef int                     int_least32_t;
 168 #ifdef  _LP64
 169 typedef long                    int_least64_t;
 170 #else   /* _ILP32 */
 171 #if defined(_LONGLONG_TYPE)
 172 typedef long long               int_least64_t;
 173 #endif
 174 #endif
 175
 176 typedef unsigned char           uint_least8_t;
 177 typedef unsigned short          uint_least16_t;
 178 typedef unsigned int            uint_least32_t;
 179 #ifdef  _LP64
 180 typedef unsigned long           uint_least64_t;
 181 #else   /* _ILP32 */
 182 #if defined(_LONGLONG_TYPE)
 183 typedef unsigned long long      uint_least64_t;
 184 #endif
 185 #endif
 186
 187 #ifdef __cplusplus
 188 }
 189 #endif
 190
 191 #endif /* _SYS_INT_TYPES_H */