3 /* 7.18 Integer types <stdint.h>
5 This file is part of the Public Domain C Library (PDCLib).
6 Permission is granted to use, modify, and / or redistribute at will.
9 #ifndef _PDCLIB_STDINT_H
10 #define _PDCLIB_STDINT_H _PDCLIB_STDINT_H
13 #define _PDCLIB_INT_H _PDCLIB_INT_H
14 #include <_PDCLIB_int.h>
17 /* 7.18.1.1 Exact-width integer types. */
19 typedef _PDCLIB_int8_t int8_t;
20 typedef _PDCLIB_int16_t int16_t;
21 typedef _PDCLIB_int32_t int32_t;
22 typedef _PDCLIB_int64_t int64_t;
24 typedef _PDCLIB_uint8_t uint8_t;
25 typedef _PDCLIB_uint16_t uint16_t;
26 typedef _PDCLIB_uint32_t uint32_t;
27 typedef _PDCLIB_uint64_t uint64_t;
29 /* 7.18.1.2 Minimum-width integer types */
31 /* You are allowed to add more types here, e.g. int_least24_t. For the standard
32 types, int_leastN_t is equivalent to the corresponding exact type intN_t by
36 typedef int8_t int_least8_t;
37 typedef int16_t int_least16_t;
38 typedef int32_t int_least32_t;
39 typedef int64_t int_least64_t;
41 typedef uint8_t uint_least8_t;
42 typedef uint16_t uint_least16_t;
43 typedef uint32_t uint_least32_t;
44 typedef uint64_t uint_least64_t;
46 /* 7.18.1.3 Fastest minimum-width integer types */
48 /* You are allowed to add more types here, e.g. int_fast24_t. */
50 typedef _PDCLIB_int_fast8_t int_fast8_t;
51 typedef _PDCLIB_int_fast16_t int_fast16_t;
52 typedef _PDCLIB_int_fast32_t int_fast32_t;
53 typedef _PDCLIB_int_fast64_t int_fast64_t;
55 typedef _PDCLIB_uint_fast8_t uint_fast8_t;
56 typedef _PDCLIB_uint_fast16_t uint_fast16_t;
57 typedef _PDCLIB_uint_fast32_t uint_fast32_t;
58 typedef _PDCLIB_uint_fast64_t uint_fast64_t;
60 /* 7.18.1.4 Integer types capable of holding object pointers */
62 typedef _PDCLIB_intptr_t intptr_t;
63 typedef _PDCLIB_uintptr_t uintptr_t;
65 /* 7.18.1.5 Greatest-width integer types */
67 typedef _PDCLIB_intmax_t intmax_t;
68 typedef _PDCLIB_uintmax_t uintmax_t;
70 /* 7.18.2 Limits of specified-width integer types */
73 #ifndef __STDC_LIMIT_MACROS
74 #define _PDCLIB_NO_LIMIT_MACROS
78 #ifndef _PDCLIB_NO_LIMIT_MACROS
80 /* 7.18.2.1 Limits of exact-width integer types */
82 #define INT8_MIN _PDCLIB_INT8_MIN
83 #define INT8_MAX _PDCLIB_INT8_MAX
84 #define UINT8_MAX _PDCLIB_UINT8_MAX
86 #define INT16_MIN _PDCLIB_INT16_MIN
87 #define INT16_MAX _PDCLIB_INT16_MAX
88 #define UINT16_MAX _PDCLIB_UINT16_MAX
90 #define INT32_MIN _PDCLIB_INT32_MIN
91 #define INT32_MAX _PDCLIB_INT32_MAX
92 #define UINT32_MAX _PDCLIB_UINT32_MAX
94 #define INT64_MIN _PDCLIB_INT64_MIN
95 #define INT64_MAX _PDCLIB_INT64_MAX
96 #define UINT64_MAX _PDCLIB_UINT64_MAX
98 /* 7.18.2.2 Limits of minimum-width integer types */
100 /* For the standard widths, least and exact types are equivalent.
101 You are allowed to add more types here, e.g. int_least24_t.
104 #define INT_LEAST8_MIN INT8_MIN
105 #define INT_LEAST8_MAX INT8_MAX
106 #define UINT_LEAST8_MAX UINT8_MAX
108 #define INT_LEAST16_MIN INT16_MIN
109 #define INT_LEAST16_MAX INT16_MAX
110 #define UINT_LEAST16_MAX UINT16_MAX
112 #define INT_LEAST32_MIN INT32_MIN
113 #define INT_LEAST32_MAX INT32_MAX
114 #define UINT_LEAST32_MAX UINT32_MAX
116 #define INT_LEAST64_MIN INT64_MIN
117 #define INT_LEAST64_MAX INT64_MAX
118 #define UINT_LEAST64_MAX UINT64_MAX
120 /* 7.18.2.3 Limits of fastest minimum-width integer types */
122 #define INT_FAST8_MIN _PDCLIB_INT_FAST8_MIN
123 #define INT_FAST8_MAX _PDCLIB_INT_FAST8_MAX
124 #define UINT_FAST8_MAX _PDCLIB_UINT_FAST8_MAX
126 #define INT_FAST16_MIN _PDCLIB_INT_FAST16_MIN
127 #define INT_FAST16_MAX _PDCLIB_INT_FAST16_MAX
128 #define UINT_FAST16_MAX _PDCLIB_UINT_FAST16_MAX
130 #define INT_FAST32_MIN _PDCLIB_INT_FAST32_MIN
131 #define INT_FAST32_MAX _PDCLIB_INT_FAST32_MAX
132 #define UINT_FAST32_MAX _PDCLIB_UINT_FAST32_MAX
134 #define INT_FAST64_MIN _PDCLIB_INT_FAST64_MIN
135 #define INT_FAST64_MAX _PDCLIB_INT_FAST64_MAX
136 #define UINT_FAST64_MAX _PDCLIB_UINT_FAST64_MAX
138 /* 7.18.2.4 Limits of integer types capable of holding object pointers */
140 #define INTPTR_MIN _PDCLIB_INTPTR_MIN
141 #define INTPTR_MAX _PDCLIB_INTPTR_MAX
142 #define UINTPTR_MAX _PDCLIB_UINTPTR_MAX
144 /* 7.18.2.5 Limits of greatest-width integer types */
146 #define INTMAX_MIN _PDCLIB_INTMAX_MIN
147 #define INTMAX_MAX _PDCLIB_INTMAX_MAX
148 #define UINTMAX_MAX _PDCLIB_UINTMAX_MAX
150 /* 7.18.3 Limits of other integer types */
152 #define PTRDIFF_MIN _PDCLIB_PTRDIFF_MIN
153 #define PTRDIFF_MAX _PDCLIB_PTRDIFF_MAX
155 #define SIG_ATOMIC_MIN _PDCLIB_SIG_ATOMIC_MIN
156 #define SIG_ATOMIC_MAX _PDCLIB_SIG_ATOMIC_MAX
158 #define SIZE_MAX _PDCLIB_SIZE_MAX
160 #define WCHAR_MIN _PDCLIB_WCHAR_MIN
161 #define WCHAR_MAX _PDCLIB_WCHAR_MAX
163 #define WINT_MIN _PDCLIB_WINT_MIN
164 #define WINT_MAX _PDCLIB_WINT_MAX
168 /* 7.18.4 Macros for integer constants */
171 #ifndef __STDC_CONSTANT_MACROS
172 #define _PDCLIB_NO_CONSTANT_MACROS
176 #ifndef _PDCLIB_NO_CONSTANT_MACROS
178 /* 7.18.4.1 Macros for minimum-width integer constants */
180 /* As the minimum-width types - for the required widths of 8, 16, 32, and 64
181 bits - are expressed in terms of the exact-width types, the mechanism for
182 these macros is to append the literal of that exact-width type to the macro
184 This is considered a hack, as the author is not sure his understanding of
185 the requirements of this macro is correct. Any input appreciated.
188 /* Expand to an integer constant of specified value and type int_leastN_t */
190 #define INT8_C( value ) value
191 #define INT16_C( value ) value
192 #define INT32_C( value ) _PDCLIB_concat( value, _PDCLIB_INT32_LITERAL )
193 #define INT64_C( value ) _PDCLIB_concat( value, _PDCLIB_INT64_LITERAL )
195 /* Expand to an integer constant of specified value and type uint_leastN_t */
197 #define UINT8_C( value ) value
198 #define UINT16_C( value ) value
199 #define UINT32_C( value ) _PDCLIB_concat( value, _PDCLIB_UINT32_LITERAL )
200 #define UINT64_C( value ) _PDCLIB_concat( value, _PDCLIB_UINT64_LITERAL )
202 /* 7.18.4.2 Macros for greatest-width integer constants */
204 /* Expand to an integer constant of specified value and type intmax_t */
205 #define INTMAX_C( value ) _PDCLIB_INTMAX_C( value )
207 /* Expand to an integer constant of specified value and type uintmax_t */
208 #define UINTMAX_C( value ) _PDCLIB_UINTMAX_C( value )