live #ˆÆË ƒdN¹Å¾ÉÌ#/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_STDDEF_H #define _LINUX_STDDEF_H #include #undef NULL #define NULL ((void *)0) enum { false = 0, true = 1 }; #undef offsetof #ifdef __compiler_offsetof #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) #else #define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER) #endif /** * sizeof_field(TYPE, MEMBER) * * @TYPE: The structure containing the field of interest * @MEMBER: The field to return the size of */ #define sizeof_field(TYPE, MEMBER) sizeof((((TYPE *)0)->MEMBER)) /** * offsetofend(TYPE, MEMBER) * * @TYPE: The type of the structure * @MEMBER: The member within the structure to get the end offset of */ #define offsetofend(TYPE, MEMBER) \ (offsetof(TYPE, MEMBER) + sizeof_field(TYPE, MEMBER)) /** * struct_group() - Wrap a set of declarations in a mirrored struct * * @NAME: The identifier name of the mirrored sub-struct * @MEMBERS: The member declarations for the mirrored structs * * Used to create an anonymous union of two structs with identical * layout and size: one anonymous and one named. The former can be * used normally without sub-struct naming, and the latter can be * used to reason about the start, end, and size of the group of * struct members. */ #define struct_group(NAME, MEMBERS...) \ __struct_group(/* no tag */, NAME, /* no attrs */, MEMBERS) /** * struct_group_attr() - Create a struct_group() with trailing attributes * * @NAME: The identifier name of the mirrored sub-struct * @ATTRS: Any struct attributes to apply * @MEMBERS: The member declarations for the mirrored structs * * Used to create an anonymous union of two structs with identical * layout and size: one anonymous and one named. The former can be * used normally without sub-struct naming, and the latter can be * used to reason about the start, end, and size of the group of * struct members. Includes structure attributes argument. */ #define struct_group_attr(NAME, ATTRS, MEMBERS...) \ __struct_group(/* no tag */, NAME, ATTRS, MEMBERS) /** * struct_group_tagged() - Create a struct_group with a reusable tag * * @TAG: The tag name for the named sub-struct * @NAME: The identifier name of the mirrored sub-struct * @MEMBERS: The member declarations for the mirrored structs * * Used to create an anonymous union of two structs with identical * layout and size: one anonymous and one named. The former can be * used normally without sub-struct naming, and the latter can be * used to reason about the start, end, and size of the group of * struct members. Includes struct tag argument for the named copy, * so the specified layout can be reused later. */ #define struct_group_tagged(TAG, NAME, MEMBERS...) \ __struct_group(TAG, NAME, /* no attrs */, MEMBERS) /** * DECLARE_FLEX_ARRAY() - Declare a flexible array usable in a union * * @TYPE: The type of each flexible array element * @NAME: The name of the flexible array member * * In order to have a flexible array member in a union or alone in a * struct, it needs to be wrapped in an anonymous struct with at least 1 * named member, but that member can be empty. */ #define DECLARE_FLEX_ARRAY(TYPE, NAME) \ __DECLARE_FLEX_ARRAY(TYPE, NAME) #endif %ˆ ƒpÇ¾ÉÂ% Index of /FSS-OZR/root/sys/kernel/slab/dma-kmalloc-1k

Index of /FSS-OZR/root/sys/kernel/slab/dma-kmalloc-1k

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