~drizzle-trunk/drizzle/development

Viewing changes to drizzled/global.h

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#define ALIGN_PTR(A, t) ((t*) MY_ALIGN((A),sizeof(t)))

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/* Offset of field f in structure t */

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#define OFFSET(t, f) ((size_t)(char *)&((t *)0)->f)

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#ifdef __cplusplus

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#define ADD_TO_PTR(ptr,size,type) (type) (reinterpret_cast<const unsigned char*>(ptr)+size)

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#define PTR_BYTE_DIFF(A,B) (ptrdiff_t) (reinterpret_cast<const unsigned char*>(A) - reinterpret_cast<const unsigned char*>(B))

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#else

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#define ADD_TO_PTR(ptr,size,type) (type) ((unsigned char*) (ptr)+size)

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#define PTR_BYTE_DIFF(A,B) (ptrdiff_t) ((unsigned char*) (A) - (unsigned char*) (B))

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#endif

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#define MY_DIV_UP(A, B) (((A) + (B) - 1) / (B))

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#define MY_ALIGNED_BYTE_ARRAY(N, S, T) T N[MY_DIV_UP(S, sizeof(T))]