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.in */
25
26#ifndef SUPPORT_DATATYPES_H
27#define SUPPORT_DATATYPES_H
28
29#cmakedefine HAVE_SYS_TYPES_H ${HAVE_SYS_TYPES_H}
30#cmakedefine HAVE_INTTYPES_H ${HAVE_INTTYPES_H}
31#cmakedefine HAVE_STDINT_H ${HAVE_STDINT_H}
32#cmakedefine HAVE_UINT64_T ${HAVE_UINT64_T}
33#cmakedefine HAVE_U_INT64_T ${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#ifdef HAVE_STDINT_H
86#include <stdint.h>
87#endif
88#include <stdlib.h>
89#include <stddef.h>
90#include <sys/types.h>
91#ifdef __cplusplus
92#include <cmath>
93#else
94#include <math.h>
95#endif
96typedef __int64 int64_t;
97typedef unsigned __int64 uint64_t;
98typedef signed int int32_t;
99typedef unsigned int uint32_t;
100typedef short int16_t;
101typedef unsigned short uint16_t;
102typedef signed char int8_t;
103typedef unsigned char uint8_t;
104typedef signed int ssize_t;
105#ifndef INT8_MAX
106# define INT8_MAX 127
107#endif
108#ifndef INT8_MIN
109# define INT8_MIN -128
110#endif
111#ifndef UINT8_MAX
112# define UINT8_MAX 255
113#endif
114#ifndef INT16_MAX
115# define INT16_MAX 32767
116#endif
117#ifndef INT16_MIN
118# define INT16_MIN -32768
119#endif
120#ifndef UINT16_MAX
121# define UINT16_MAX 65535
122#endif
123#ifndef INT32_MAX
124# define INT32_MAX 2147483647
125#endif
126#ifndef INT32_MIN
127/* MSC treats -2147483648 as -(2147483648U). */
128# define INT32_MIN (-INT32_MAX - 1)
129#endif
130#ifndef UINT32_MAX
131# define UINT32_MAX 4294967295U
132#endif
133/* Certain compatibility updates to VC++ introduce the `cstdint'
134 * header, which defines the INT*_C macros. On default installs they
135 * are absent. */
136#ifndef INT8_C
137# define INT8_C(C)   C##i8
138#endif
139#ifndef UINT8_C
140# define UINT8_C(C)  C##ui8
141#endif
142#ifndef INT16_C
143# define INT16_C(C)  C##i16
144#endif
145#ifndef UINT16_C
146# define UINT16_C(C) C##ui16
147#endif
148#ifndef INT32_C
149# define INT32_C(C)  C##i32
150#endif
151#ifndef UINT32_C
152# define UINT32_C(C) C##ui32
153#endif
154#ifndef INT64_C
155# define INT64_C(C)  C##i64
156#endif
157#ifndef UINT64_C
158# define UINT64_C(C) C##ui64
159#endif
160
161#ifndef PRId64
162# define PRId64 "I64d"
163#endif
164#ifndef PRIi64
165# define PRIi64 "I64i"
166#endif
167#ifndef PRIo64
168# define PRIo64 "I64o"
169#endif
170#ifndef PRIu64
171# define PRIu64 "I64u"
172#endif
173#ifndef PRIx64
174# define PRIx64 "I64x"
175#endif
176#ifndef PRIX64
177# define PRIX64 "I64X"
178#endif
179
180#endif /* _MSC_VER */
181
182/* Set defaults for constants which we cannot find. */
183#if !defined(INT64_MAX)
184# define INT64_MAX 9223372036854775807LL
185#endif
186#if !defined(INT64_MIN)
187# define INT64_MIN ((-INT64_MAX)-1)
188#endif
189#if !defined(UINT64_MAX)
190# define UINT64_MAX 0xffffffffffffffffULL
191#endif
192
193#if __GNUC__ > 3
194#define END_WITH_NULL __attribute__((sentinel))
195#else
196#define END_WITH_NULL
197#endif
198
199#ifndef HUGE_VALF
200#define HUGE_VALF (float)HUGE_VAL
201#endif
202
203#endif  /* SUPPORT_DATATYPES_H */
204