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 2019 Lauri Tirkkonen <lotheac@iki.fi>
  24  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  25  *
  26  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  27  * Use is subject to license terms.
  28  */
  29
  30 #ifndef _SYS_INT_TYPES_H
  31 #define _SYS_INT_TYPES_H
  32
  33 /*
  34  * This file, <sys/int_types.h>, is part of the Sun Microsystems implementation
  35  * of <inttypes.h> defined in the ISO C standard, ISO/IEC 9899:1999
  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/types.h>           Provides only the "_t" types defined in this
  43  *                              file which is a subset of the contents of
  44  *                              <inttypes.h>.  (This can be appropriate for
  45  *                              all programs/modules except those claiming
  46  *                              ANSI-C conformance.)
  47  *
  48  *      <sys/inttypes.h>        Provides the Kernel and Driver appropriate
  49  *                              components of <inttypes.h>.
  50  *
  51  *      <inttypes.h>            For use by applications.
  52  *
  53  * See these files for more details.
  54  */
  55
  56 #include <sys/feature_tests.h>
  57
  58 /*
  59  * Basic / Extended integer types
  60  *
  61  * The following defines the basic fixed-size integer types.
  62  *
  63  * Implementations are free to typedef them to Standard C integer types or
  64  * extensions that they support. If an implementation does not support one
  65  * of the particular integer data types below, then it should not define the
  66  * typedefs and macros corresponding to that data type.  Note that int8_t
  67  * is not defined in -Xs mode on ISAs for which the ABI specifies "char"
  68  * as an unsigned entity because there is no way to define an eight bit
  69  * signed integral.
  70  */
  71 #if defined(_CHAR_IS_SIGNED)
  72 typedef char                    int8_t;
  73 #else
  74 typedef signed char             int8_t;
  75 #endif
  76 typedef short                   int16_t;
  77 typedef int                     int32_t;
  78 #define _INT64_TYPE
  79 typedef long long               int64_t;
  80
  81 typedef unsigned char           uint8_t;
  82 typedef unsigned short          uint16_t;
  83 typedef unsigned int            uint32_t;
  84 typedef unsigned long long      uint64_t;
  85
  86 /*
  87  * intmax_t and uintmax_t are to be the longest (in number of bits) signed
  88  * and unsigned integer types supported by the implementation.
  89  */
  90 #if defined(_INT64_TYPE)
  91 typedef int64_t                 intmax_t;
  92 typedef uint64_t                uintmax_t;
  93 #else
  94 typedef int32_t                 intmax_t;
  95 typedef uint32_t                uintmax_t;
  96 #endif
  97
  98 /*
  99  * intptr_t and uintptr_t are signed and unsigned integer types large enough
 100  * to hold any data pointer; that is, data pointers can be assigned into or
 101  * from these integer types without losing precision.
 102  */
 103 #if defined(_LP64) || defined(_I32LPx)
 104 typedef long                    intptr_t;
 105 typedef unsigned long           uintptr_t;
 106 #else
 107 typedef int                     intptr_t;
 108 typedef unsigned int            uintptr_t;
 109 #endif
 110
 111 /*
 112  * The following define the fastest integer types that can hold the
 113  * specified number of bits.
 114  */
 115 #if defined(_CHAR_IS_SIGNED)
 116 typedef char                    int_fast8_t;
 117 #else
 118 typedef signed char             int_fast8_t;
 119 #endif
 120 typedef int                     int_fast16_t;
 121 typedef int                     int_fast32_t;
 122 #ifdef _LP64
 123 typedef long                    int_fast64_t;
 124 #else /* _ILP32 */
 125 typedef long long               int_fast64_t;
 126 #endif
 127
 128 typedef unsigned char           uint_fast8_t;
 129 typedef unsigned int            uint_fast16_t;
 130 typedef unsigned int            uint_fast32_t;
 131 #ifdef _LP64
 132 typedef unsigned long           uint_fast64_t;
 133 #else /* _ILP32 */
 134 typedef unsigned long long      uint_fast64_t;
 135 #endif
 136
 137 /*
 138  * The following define the smallest integer types that can hold the
 139  * specified number of bits.
 140  */
 141 #if defined(_CHAR_IS_SIGNED)
 142 typedef char                    int_least8_t;
 143 #else
 144 typedef signed char             int_least8_t;
 145 #endif
 146 typedef short                   int_least16_t;
 147 typedef int                     int_least32_t;
 148 #ifdef _LP64
 149 typedef long                    int_least64_t;
 150 #else /* _ILP32 */
 151 typedef long long               int_least64_t;
 152 #endif
 153
 154 typedef unsigned char           uint_least8_t;
 155 typedef unsigned short          uint_least16_t;
 156 typedef unsigned int            uint_least32_t;
 157 #ifdef _LP64
 158 typedef unsigned long           uint_least64_t;
 159 #else /* _ILP32 */
 160 typedef unsigned long long      uint_least64_t;
 161 #endif
 162
 163 #endif /* _SYS_INT_TYPES_H */