Re: Help on bit operation

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Randi Botse wrote:

> Ben, after assign all bitfield struct member, how to pack them to be a
> 32bit integer value?

The structure should be 32 bits wide. If you need the value as a
uint32_t, either use a union:

	union bits_or_int {
		struct bitfield fields;
		uint32_t value;
	};

or a cast, e.g.:

	struct bitfield foo;
	...
	uint32_t value = *(uint32_t *)&foo;

-- 
Glynn Clements <glynn@xxxxxxxxxxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Assembler]     [Git]     [Kernel List]     [Fedora Development]     [Fedora Announce]     [Autoconf]     [C Programming]     [Yosemite Campsites]     [Yosemite News]     [GCC Help]

  Powered by Linux