1/*===-- include/Support/DataTypes.h - Define fixed size types -----*- C -*-===*\
2|*                                                                            *|
3|*                     The LLVM Compiler Infrastructure                       *|
4|*                                                                            *|
5|* This file is distributed under the University of Illinois Open Source      *|
6|* License. See LICENSE.TXT for details.                                      *|
7|*                                                                            *|
8|*===----------------------------------------------------------------------===*|
9|*                                                                            *|
10|* This file contains definitions to figure out the size of _HOST_ data types.*|
11|* This file is important because different host OS's define different macros,*|
12|* which makes portability tough.  This file exports the following            *|
13|* definitions:                                                               *|
14|*                                                                            *|
15|*   [u]int(32|64)_t : typedefs for signed and unsigned 32/64 bit system types*|
16|*   [U]INT(8|16|32|64)_(MIN|MAX) : Constants for the min and max values.     *|
17|*                                                                            *|
18|* No library is required when using these functions.                         *|
19|*                                                                            *|
20|*===----------------------------------------------------------------------===*/
21
22/* Please leave this file C-compatible. */
23
24/* Please keep this file in sync with DataTypes.h.cmake */
25
26#ifndef SUPPORT_DATATYPES_H
27#define SUPPORT_DATATYPES_H
28
29#undef HAVE_SYS_TYPES_H
30#undef HAVE_INTTYPES_H
31#undef HAVE_STDINT_H
32#undef HAVE_UINT64_T
33#undef HAVE_U_INT64_T
34
35#ifdef __cplusplus
36#include <cmath>
37#else
38#include <math.h>
39#endif
40
41#ifndef _MSC_VER
42
43/* Note that this header's correct operation depends on __STDC_LIMIT_MACROS
44   being defined.  We would define it here, but in order to prevent Bad Things
45   happening when system headers or C++ STL headers include stdint.h before we
46   define it here, we define it on the g++ command line (in Makefile.rules). */
47#if !defined(__STDC_LIMIT_MACROS)
48# error "Must #define __STDC_LIMIT_MACROS before #including Support/DataTypes.h"
49#endif
50
51#if !defined(__STDC_CONSTANT_MACROS)
52# error "Must #define __STDC_CONSTANT_MACROS before " \
53        "#including Support/DataTypes.h"
54#endif
55
56/* Note that <inttypes.h> includes <stdint.h>, if this is a C99 system. */
57#ifdef HAVE_SYS_TYPES_H
58#include <sys/types.h>
59#endif
60
61#ifdef HAVE_INTTYPES_H
62#include <inttypes.h>
63#endif
64
65#ifdef HAVE_STDINT_H
66#include <stdint.h>
67#endif
68
69#ifdef _AIX
70#include "llvm/Support/AIXDataTypesFix.h"
71#endif
72
73/* Handle incorrect definition of uint64_t as u_int64_t */
74#ifndef HAVE_UINT64_T
75#ifdef HAVE_U_INT64_T
76typedef u_int64_t uint64_t;
77#else
78# error "Don't have a definition for uint64_t on this platform"
79#endif
80#endif
81
82#else /* _MSC_VER */
83/* Visual C++ doesn't provide standard integer headers, but it does provide
84   built-in data types. */
85#include <stdlib.h>
86#include <stddef.h>
87#include <sys/types.h>
88#ifdef __cplusplus
89#include <cmath>
90#else
91#include <math.h>
92#endif
93typedef __int64 int64_t;
94typedef unsigned __int64 uint64_t;
95typedef signed int int32_t;
96typedef unsigned int uint32_t;
97typedef short int16_t;
98typedef unsigned short uint16_t;
99typedef signed char int8_t;
100typedef unsigned char uint8_t;
101typedef signed int ssize_t;
102#ifndef INT8_MAX
103# define INT8_MAX 127
104#endif
105#ifndef INT8_MIN
106# define INT8_MIN -128
107#endif
108#ifndef UINT8_MAX
109# define UINT8_MAX 255
110#endif
111#ifndef INT16_MAX
112# define INT16_MAX 32767
113#endif
114#ifndef INT16_MIN
115# define INT16_MIN -32768
116#endif
117#ifndef UINT16_MAX
118# define UINT16_MAX 65535
119#endif
120#ifndef INT32_MAX
121# define INT32_MAX 2147483647
122#endif
123#ifndef INT32_MIN
124/* MSC treats -2147483648 as -(2147483648U). */
125# define INT32_MIN (-INT32_MAX - 1)
126#endif
127#ifndef UINT32_MAX
128# define UINT32_MAX 4294967295U
129#endif
130/* Certain compatibility updates to VC++ introduce the `cstdint'
131 * header, which defines the INT*_C macros. On default installs they
132 * are absent. */
133#ifndef INT8_C
134# define INT8_C(C)   C##i8
135#endif
136#ifndef UINT8_C
137# define UINT8_C(C)  C##ui8
138#endif
139#ifndef INT16_C
140# define INT16_C(C)  C##i16
141#endif
142#ifndef UINT16_C
143# define UINT16_C(C) C##ui16
144#endif
145#ifndef INT32_C
146# define INT32_C(C)  C##i32
147#endif
148#ifndef UINT32_C
149# define UINT32_C(C) C##ui32
150#endif
151#ifndef INT64_C
152# define INT64_C(C)  C##i64
153#endif
154#ifndef UINT64_C
155# define UINT64_C(C) C##ui64
156#endif
157
158#ifndef PRId64
159# define PRId64 "I64d"
160#endif
161#ifndef PRIi64
162# define PRIi64 "I64i"
163#endif
164#ifndef PRIo64
165# define PRIo64 "I64o"
166#endif
167#ifndef PRIu64
168# define PRIu64 "I64u"
169#endif
170#ifndef PRIx64
171# define PRIx64 "I64x"
172#endif
173#ifndef PRIX64
174# define PRIX64 "I64X"
175#endif
176
177#endif /* _MSC_VER */
178
179/* Set defaults for constants which we cannot find. */
180#if !defined(INT64_MAX)
181# define INT64_MAX 9223372036854775807LL
182#endif
183#if !defined(INT64_MIN)
184# define INT64_MIN ((-INT64_MAX)-1)
185#endif
186#if !defined(UINT64_MAX)
187# define UINT64_MAX 0xffffffffffffffffULL
188#endif
189
190#if __GNUC__ > 3
191#define END_WITH_NULL __attribute__((sentinel))
192#else
193#define END_WITH_NULL
194#endif
195
196#ifndef HUGE_VALF
197#define HUGE_VALF (float)HUGE_VAL
198#endif
199
200#endif  /* SUPPORT_DATATYPES_H */
201