You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
1.9 KiB
68 lines
1.9 KiB
/* |
|
* Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved. |
|
* |
|
* Licensed under the OpenSSL license (the "License"). You may not use |
|
* this file except in compliance with the License. You can obtain a copy |
|
* in the file LICENSE in the source distribution or at |
|
* https://www.openssl.org/source/license.html |
|
*/ |
|
|
|
#ifndef HEADER_NUMBERS_H |
|
# define HEADER_NUMBERS_H |
|
|
|
# include <limits.h> |
|
|
|
# if (-1 & 3) == 0x03 /* Two's complement */ |
|
|
|
# define __MAXUINT__(T) ((T) -1) |
|
# define __MAXINT__(T) ((T) ((((T) 1) << ((sizeof(T) * CHAR_BIT) - 1)) ^ __MAXUINT__(T))) |
|
# define __MININT__(T) (-__MAXINT__(T) - 1) |
|
|
|
# elif (-1 & 3) == 0x02 /* One's complement */ |
|
|
|
# define __MAXUINT__(T) (((T) -1) + 1) |
|
# define __MAXINT__(T) ((T) ((((T) 1) << ((sizeof(T) * CHAR_BIT) - 1)) ^ __MAXUINT__(T))) |
|
# define __MININT__(T) (-__MAXINT__(T)) |
|
|
|
# elif (-1 & 3) == 0x01 /* Sign/magnitude */ |
|
|
|
# define __MAXINT__(T) ((T) (((((T) 1) << ((sizeof(T) * CHAR_BIT) - 2)) - 1) | (((T) 1) << ((sizeof(T) * CHAR_BIT) - 2)))) |
|
# define __MAXUINT__(T) ((T) (__MAXINT__(T) | (((T) 1) << ((sizeof(T) * CHAR_BIT) - 1)))) |
|
# define __MININT__(T) (-__MAXINT__(T)) |
|
|
|
# else |
|
|
|
# error "do not know the integer encoding on this architecture" |
|
|
|
# endif |
|
|
|
# ifndef INT8_MAX |
|
# define INT8_MIN __MININT__(int8_t) |
|
# define INT8_MAX __MAXINT__(int8_t) |
|
# define UINT8_MAX __MAXUINT__(uint8_t) |
|
# endif |
|
|
|
# ifndef INT16_MAX |
|
# define INT16_MIN __MININT__(int16_t) |
|
# define INT16_MAX __MAXINT__(int16_t) |
|
# define UINT16_MAX __MAXUINT__(uint16_t) |
|
# endif |
|
|
|
# ifndef INT32_MAX |
|
# define INT32_MIN __MININT__(int32_t) |
|
# define INT32_MAX __MAXINT__(int32_t) |
|
# define UINT32_MAX __MAXUINT__(uint32_t) |
|
# endif |
|
|
|
# ifndef INT64_MAX |
|
# define INT64_MIN __MININT__(int64_t) |
|
# define INT64_MAX __MAXINT__(int64_t) |
|
# define UINT64_MAX __MAXUINT__(uint64_t) |
|
# endif |
|
|
|
# ifndef SIZE_MAX |
|
# define SIZE_MAX __MAXUINT__(size_t) |
|
# endif |
|
|
|
#endif |
|
|
|
|