xref: /optee_os/lib/libutils/isoc/include/limits.h (revision bc420748bfc44a9e09000a3966fc59e9e0219df4)
1 /*
2  * Copyright (c) 2014, STMicroelectronics International N.V.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  * this list of conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright notice,
12  * this list of conditions and the following disclaimer in the documentation
13  * and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  * POSSIBILITY OF SUCH DAMAGE.
26  */
27 #ifndef LIMITS_H
28 #define LIMITS_H
29 
30 #define CHAR_BIT __CHAR_BIT__
31 
32 #ifdef __CHAR_UNSIGNED__
33 #define CHAR_MAX UCHAR_MAX
34 #define CHAR_MIN 0
35 #else
36 #define CHAR_MAX SCHAR_MAX
37 #define CHAR_MIN SCHAR_MIN
38 #endif
39 
40 #define INT_MAX __INT_MAX__
41 #define INT_MIN (-INT_MAX - 1)
42 
43 #define LONG_MAX __LONG_MAX__
44 #define LONG_MIN (-LONG_MAX - 1L)
45 
46 #define LLONG_MAX __LONG_LONG_MAX__
47 #define LLONG_MIN (-LLONG_MAX - 1LL)
48 
49 #define MB_LEN_MAX 1
50 
51 #define SCHAR_MAX __SCHAR_MAX__
52 #define SCHAR_MIN (-SCHAR_MAX - 1)
53 
54 #define SHRT_MAX __SHRT_MAX__
55 #define SHRT_MIN (-SHRT_MAX - 1)
56 
57 #if __SCHAR_MAX__ == __INT_MAX__
58 #define UCHAR_MAX (SCHAR_MAX * 2U + 1U)
59 #else
60 #define UCHAR_MAX (SCHAR_MAX * 2 + 1)
61 #endif
62 
63 #if __SHRT_MAX__ == __INT_MAX__
64 #define USHRT_MAX (SHRT_MAX * 2U + 1U)
65 #else
66 #define USHRT_MAX (SHRT_MAX * 2 + 1)
67 #endif
68 
69 #define UINT_MAX (INT_MAX * 2U + 1U)
70 
71 #define ULONG_MAX (LONG_MAX * 2UL + 1UL)
72 #define ULLONG_MAX (LLONG_MAX * 2ULL + 1ULL)
73 
74 #endif /* LIMITS_H */
75