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21 lines
615 B
C
21 lines
615 B
C
/* Taken from include/linux/kernel.h from the Linux kernel tree */
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/**
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* container_of - cast a member of a structure out to the containing structure
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* @ptr: the pointer to the member.
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* @type: the type of the container struct this is embedded in.
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* @member: the name of the member within the struct.
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*
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*/
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#ifndef PIOS_STRUCT_HELPER_H
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#define PIOS_STRUCT_HELPER_H
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#define container_of(ptr, type, member) \
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({ \
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const typeof(((type *)0)->member) * __mptr = (ptr); \
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(type *)((char *)__mptr - offsetof(type, member)); } \
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)
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#endif /* PIOS_STRUCT_HELPER_H */
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