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1 | /** @file\r |
| 2 | Common Definitions.\r |
| 3 | \r |
| 4 | Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>\r |
| 5 | This program and the accompanying materials are licensed and made available under\r |
| 6 | the terms and conditions of the BSD License that accompanies this distribution.\r |
| 7 | The full text of the license may be found at\r |
| 8 | http://opensource.org/licenses/bsd-license.php.\r |
| 9 | \r |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 12 | \r |
| 13 | **/\r |
| 14 | #ifndef _STDDEF_H\r |
| 15 | #define _STDDEF_H\r |
| 16 | #include <sys/EfiCdefs.h>\r |
| 17 | \r |
| 18 | /** ptrdiff_t is the signed integer type of the result of subtracting two pointers.\r |
| 19 | **/\r |
| 20 | #ifdef _EFI_PTRDIFF_T_\r |
| 21 | typedef _EFI_PTRDIFF_T_ ptrdiff_t;\r |
| 22 | #undef _EFI_PTRDIFF_T_\r |
| 23 | #endif\r |
| 24 | \r |
| 25 | /** size_t is the unsigned integer type of the result of the sizeof operator.\r |
| 26 | **/\r |
| 27 | #ifdef _EFI_SIZE_T_\r |
| 28 | typedef _EFI_SIZE_T_ size_t;\r |
| 29 | #undef _EFI_SIZE_T_\r |
| 30 | #undef _BSD_SIZE_T_\r |
| 31 | #endif\r |
| 32 | \r |
| 33 | /** wchar_t is an integer type whose range of values can represent distinct\r |
| 34 | codes for all members of the largest extended character set specified among\r |
| 35 | the supported locales. The null character shall have the code value zero.\r |
| 36 | **/\r |
| 37 | #ifndef __cplusplus\r |
| 38 | #ifdef _EFI_WCHAR_T\r |
| 39 | typedef _EFI_WCHAR_T wchar_t;\r |
| 40 | #undef _EFI_WCHAR_T\r |
| 41 | #undef _BSD_WCHAR_T_\r |
| 42 | #endif\r |
| 43 | #endif\r |
| 44 | \r |
| 45 | /** NULL expands to an implementation-defined null pointer constant.\r |
| 46 | NULL is defined in MdePkg/Include/Base.h which is automatically included\r |
| 47 | by the EDK II build tools.\r |
| 48 | **/\r |
| 49 | \r |
| 50 | /** offsetof(type, member-designator) expands to an integer constant expression\r |
| 51 | that has type size_t, the value of which is the offset in bytes, to the\r |
| 52 | structure member (designated by member-designator), from the beginning of\r |
| 53 | its structure (designated by type). The type and member designator shall be\r |
| 54 | such that given<BR>\r |
| 55 | static type t;<BR>\r |
| 56 | then the expression &(t.member-designator) evaluates to an address constant.\r |
| 57 | (If the specified member is a bit-field, the behavior is undefined.)\r |
| 58 | \r |
| 59 | Alliased to OFFSET_OF which is defined in MdePkg/Include/Base.h which is\r |
| 60 | automatically included by the EDK II build tools.\r |
| 61 | **/\r |
| 62 | #define offsetof(type, member) OFFSET_OF(type, member)\r |
| 63 | \r |
| 64 | #endif /* _STDDEF_H */\r |
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