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niceSOFT
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ipxe
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master
src/include/stddef.h
53 строки
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Michael Brown
[build] Mark core files as permitted for UEFI Secure Boot
14 янв 2026, 16:25
14 янв 2026, 16:25
6cccb3b
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#ifndef STDDEF_H #define STDDEF_H FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); FILE_SECBOOT ( PERMITTED ); #include <stdint.h> /** EFI headers also define NULL */ #undef NULL /** Null pointer */ #define NULL ( ( void * ) 0 ) /** * Get offset of a field within a structure * * @v type Structure type * @v field Field within structure * @ret offset Offset within structure */ #if defined ( __GNUC__ ) && ( __GNUC__ > 3 ) #define offsetof( type, field ) __builtin_offsetof ( type, field ) #else #define offsetof( type, field ) ( ( size_t ) &( ( ( type * ) NULL )->field ) ) #endif /** * Get containing structure * * @v ptr Pointer to contained field * @v type Containing structure type * @v field Field within containing structure * @ret container Pointer to containing structure */ #define container_of( ptr, type, field ) ( { \ type *__container; \ const volatile typeof ( __container->field ) *__field = (ptr); \ __container = ( ( ( void * ) __field ) - \ offsetof ( type, field ) ); \ __container; } ) /* __WCHAR_TYPE__ is defined by gcc and will change if -fshort-wchar is used */ #ifndef __WCHAR_TYPE__ #define __WCHAR_TYPE__ uint16_t #endif #ifndef __WINT_TYPE__ #define __WINT_TYPE__ int #endif typedef __WCHAR_TYPE__ wchar_t; typedef __WINT_TYPE__ wint_t; #endif /* STDDEF_H */