jas_types.h
1 /*
2  * Copyright (c) 1999-2000 Image Power, Inc. and the University of
3  * British Columbia.
4  * Copyright (c) 2001-2003 Michael David Adams.
5  * All rights reserved.
6  */
7 
8 /* __START_OF_JASPER_LICENSE__
9  *
10  * JasPer License Version 2.0
11  *
12  * Copyright (c) 2001-2006 Michael David Adams
13  * Copyright (c) 1999-2000 Image Power, Inc.
14  * Copyright (c) 1999-2000 The University of British Columbia
15  *
16  * All rights reserved.
17  *
18  * Permission is hereby granted, free of charge, to any person (the
19  * "User") obtaining a copy of this software and associated documentation
20  * files (the "Software"), to deal in the Software without restriction,
21  * including without limitation the rights to use, copy, modify, merge,
22  * publish, distribute, and/or sell copies of the Software, and to permit
23  * persons to whom the Software is furnished to do so, subject to the
24  * following conditions:
25  *
26  * 1. The above copyright notices and this permission notice (which
27  * includes the disclaimer below) shall be included in all copies or
28  * substantial portions of the Software.
29  *
30  * 2. The name of a copyright holder shall not be used to endorse or
31  * promote products derived from the Software without specific prior
32  * written permission.
33  *
34  * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
35  * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
36  * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
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52  * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
53  * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
54  * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
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56  * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
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58  * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
59  * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
60  *
61  * __END_OF_JASPER_LICENSE__
62  */
63 
64 /*
65  * Primitive Types
66  *
67  * $Id$
68  */
69 
70 #ifndef JAS_TYPES_H
71 #define JAS_TYPES_H
72 
73 /* The configuration header file should be included first. */
74 #include <jasper/jas_config.h>
75 
76 #if !defined(JAS_CONFIGURE)
77 
78 #if defined(WIN32) || defined(JAS_HAVE_WINDOWS_H)
79 // THIS SHOULD NO LONGER BE NEEDED SINCE MSVC SUPPORTS LONG LONG.
80 /*
81  We are dealing with Microsoft Windows and most likely Microsoft
82  Visual C (MSVC). (Heaven help us.) Sadly, MSVC does not correctly
83  define some of the standard types specified in ISO/IEC 9899:1999.
84  In particular, it does not define the "long long" and "unsigned long
85  long" types. So, we work around this problem by using the "INT64"
86  and "UINT64" types that are defined in the header file "windows.h".
87  */
88 #include <windows.h>
89 //#undef longlong
90 //#define longlong INT64
91 //#undef ulonglong
92 //#define ulonglong UINT64
93 #endif
94 
95 #endif
96 
97 /* Note: The immediately following header files should eventually be removed. */
98 #include <stdlib.h>
99 #include <stddef.h>
100 #include <stdbool.h>
101 #include <stdint.h>
102 
103 #if defined(JAS_HAVE_SYS_TYPES_H)
104 #include <sys/types.h>
105 #endif
106 
107 #define jas_uchar unsigned char
108 #define jas_uint unsigned int
109 #define jas_ulong unsigned long
110 #define jas_longlong long long
111 #define jas_ulonglong unsigned long long
112 
113 /* The below macro is intended to be used for type casts. By using this
114  macro, type casts can be easily located in the source code with
115  tools like "grep". */
116 #define JAS_CAST(t, e) \
117  ((t) (e))
118 
119 /* The number of bits in the integeral type uint_fast32_t. */
120 /* NOTE: This could underestimate the size on some exotic architectures. */
121 #define JAS_UINTFAST32_NUMBITS (8 * sizeof(uint_fast32_t))
122 
123 #ifdef __cplusplus
124 extern "C" {
125 #endif
126 
127 #ifdef __cplusplus
128 }
129 #endif
130 
131 #endif