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1 | /** @file\r |
| 2 | Machine specific values for <limits.h>.\r |
| 3 | \r |
| 4 | Within this file, the ^ character is used in comments to represent exponentiation.\r |
| 5 | Thus, 2^7 means "2 to the 7th power", NOT "2 XOR 7".\r |
| 6 | \r |
| 7 | Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>\r |
| 8 | This program and the accompanying materials are licensed and made available under\r |
| 9 | the terms and conditions of the BSD License that accompanies this distribution.\r |
| 10 | The full text of the license may be found at\r |
| 11 | http://opensource.org/licenses/bsd-license.php.\r |
| 12 | \r |
| 13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 15 | **/\r |
| 16 | #ifndef _MACHINE_LIMITS_H\r |
| 17 | #define _MACHINE_LIMITS_H\r |
| 18 | \r |
| 19 | /** Number of bits for smallest object that is not a bit-field (byte). **/\r |
| 20 | #define __CHAR_BIT 8\r |
| 21 | \r |
| 22 | /** minimum value for an object of type signed char **/\r |
| 23 | #define __SCHAR_MIN -128 // -(2^7 - 1)\r |
| 24 | \r |
| 25 | /** maximum value for an object of type signed char **/\r |
| 26 | #define __SCHAR_MAX +127 // 2^7 - 1\r |
| 27 | \r |
| 28 | /** maximum value for an object of type unsigned char **/\r |
| 29 | #define __UCHAR_MAX 255 // 2^8 - 1\r |
| 30 | \r |
| 31 | /** minimum value for an object of type short int **/\r |
| 32 | #define __SHRT_MIN -32768 // -(2^15 - 1)\r |
| 33 | \r |
| 34 | /** maximum value for an object of type short int **/\r |
| 35 | #define __SHRT_MAX +32767 // 2^15 - 1\r |
| 36 | \r |
| 37 | /** maximum value for an object of type unsigned short int **/\r |
| 38 | #define __USHRT_MAX 65535 // 2^16 - 1\r |
| 39 | \r |
| 40 | /** maximum value for an object of type int **/\r |
| 41 | #define __INT_MAX +2147483647 // 2^31 - 1\r |
| 42 | \r |
| 43 | /** minimum value for an object of type int **/\r |
| 44 | #define __INT_MIN (-2147483647 - 1) // -(2^31 - 1)\r |
| 45 | \r |
| 46 | /** maximum value for an object of type unsigned int **/\r |
| 47 | #define __UINT_MAX 0xffffffff // 2^32 - 1\r |
| 48 | \r |
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49 | /** minimum value for an object of type long long int **/\r |
| 50 | //#define __LLONG_MIN -9223372036854775808LL // -(2^63 - 1)\r |
| 51 | //#define __LLONG_MIN ((-9223372036854775807LL)-1) // -(2^63 - 1)\r |
| 52 | #define __LLONG_MIN (-9223372036854775807LL - 1LL) // -(2^63 - 1)\r |
| 53 | \r |
| 54 | /** maximum value for an object of type long long int **/\r |
| 55 | #define __LLONG_MAX 9223372036854775807LL // 2^63 - 1\r |
| 56 | \r |
| 57 | /** maximum value for an object of type unsigned long long int **/\r |
| 58 | //#define __ULLONG_MAX 18446744073709551615ULL // 2^64 - 1\r |
| 59 | #define __ULLONG_MAX 0xFFFFFFFFFFFFFFFFULL // 2^64 - 1\r |
| 60 | \r |
| 61 | /* Intel extensions to <limits.h> for UEFI */\r |
| 62 | #define __SHORT_BIT 16\r |
| 63 | #define __WCHAR_BIT 16\r |
| 64 | #define __INT_BIT 32\r |
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65 | #define __LONG_LONG_BIT 64\r |
| 66 | \r |
| 67 | #endif /* _MACHINE_LIMITS_H */\r |
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