projects / thirdparty / openssl.git / blame
| Commit | Line | Data |
|---|---|---|
| 21dcbebc RS |
1 | /* |
| 2 | * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved. | |
| 167f6c93 | 3 | * |
| 48f4ad77 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
| 21dcbebc RS |
5 | * this file except in compliance with the License. You can obtain a copy |
| 6 | * in the file LICENSE in the source distribution or at | |
| 7 | * https://www.openssl.org/source/license.html | |
| 167f6c93 RL |
8 | */ |
| 9 | ||
| 10 | #ifndef HEADER_NUMBERS_H | |
| 11 | # define HEADER_NUMBERS_H | |
| 12 | ||
| 13 | # include <limits.h> | |
| 14 | ||
| 15 | # if (-1 & 3) == 0x03 /* Two's complement */ | |
| 16 | ||
| 17 | # define __MAXUINT__(T) ((T) -1) | |
| 18 | # define __MAXINT__(T) ((T) ((((T) 1) << ((sizeof(T) * CHAR_BIT) - 1)) ^ __MAXUINT__(T))) | |
| 19 | # define __MININT__(T) (-__MAXINT__(T) - 1) | |
| 20 | ||
| 21 | # elif (-1 & 3) == 0x02 /* One's complement */ | |
| 22 | ||
| 23 | # define __MAXUINT__(T) (((T) -1) + 1) | |
| 24 | # define __MAXINT__(T) ((T) ((((T) 1) << ((sizeof(T) * CHAR_BIT) - 1)) ^ __MAXUINT__(T))) | |
| 25 | # define __MININT__(T) (-__MAXINT__(T)) | |
| 26 | ||
| 27 | # elif (-1 & 3) == 0x01 /* Sign/magnitude */ | |
| 28 | ||
| 29 | # define __MAXINT__(T) ((T) (((((T) 1) << ((sizeof(T) * CHAR_BIT) - 2)) - 1) | (((T) 1) << ((sizeof(T) * CHAR_BIT) - 2)))) | |
| 30 | # define __MAXUINT__(T) ((T) (__MAXINT__(T) | (((T) 1) << ((sizeof(T) * CHAR_BIT) - 1)))) | |
| 31 | # define __MININT__(T) (-__MAXINT__(T)) | |
| 32 | ||
| 33 | # else | |
| 34 | ||
| 35 | # error "do not know the integer encoding on this architecture" | |
| 36 | ||
| 37 | # endif | |
| 38 | ||
| 39 | # ifndef INT8_MAX | |
| 40 | # define INT8_MIN __MININT__(int8_t) | |
| 41 | # define INT8_MAX __MAXINT__(int8_t) | |
| 42 | # define UINT8_MAX __MAXUINT__(uint8_t) | |
| 43 | # endif | |
| 44 | ||
| 45 | # ifndef INT16_MAX | |
| 46 | # define INT16_MIN __MININT__(int16_t) | |
| 47 | # define INT16_MAX __MAXINT__(int16_t) | |
| 48 | # define UINT16_MAX __MAXUINT__(uint16_t) | |
| 49 | # endif | |
| 50 | ||
| 51 | # ifndef INT32_MAX | |
| 52 | # define INT32_MIN __MININT__(int32_t) | |
| 53 | # define INT32_MAX __MAXINT__(int32_t) | |
| 54 | # define UINT32_MAX __MAXUINT__(uint32_t) | |
| 55 | # endif | |
| 56 | ||
| 57 | # ifndef INT64_MAX | |
| 58 | # define INT64_MIN __MININT__(int64_t) | |
| 59 | # define INT64_MAX __MAXINT__(int64_t) | |
| 60 | # define UINT64_MAX __MAXUINT__(uint64_t) | |
| 61 | # endif | |
| 62 | ||
| 1de1d768 RL |
63 | # ifndef SIZE_MAX |
| 64 | # define SIZE_MAX __MAXUINT__(size_t) | |
| 65 | # endif | |
| 66 | ||
| 167f6c93 RL |
67 | #endif |
| 68 |