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1891 serge 1 
#ifdef PIXMAN_FB_ACCESSORS
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#define READ(img, ptr)							\
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    (((bits_image_t *)(img))->read_func ((ptr), sizeof(*(ptr))))
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#define WRITE(img, ptr,val)						\
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    (((bits_image_t *)(img))->write_func ((ptr), (val), sizeof (*(ptr))))
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#define MEMSET_WRAPPED(img, dst, val, size)				\
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    do {								\
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	size_t _i;							\
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	uint8_t *_dst = (uint8_t*)(dst);				\
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	for(_i = 0; _i < (size_t) size; _i++) {				\
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	    WRITE((img), _dst +_i, (val));				\
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	}								\
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    } while (0)
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#else
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#define READ(img, ptr)		(*(ptr))
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#define WRITE(img, ptr, val)	(*(ptr) = (val))
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#define MEMSET_WRAPPED(img, dst, val, size)				\
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    memset(dst, val, size)
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#endif
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