Alan Stern <[EMAIL PROTECTED]> writes: > On Thu, 8 Feb 2007, Sergei Organov wrote: > >> Unfortunately I can't have the correct type for this field in C (it >> should be "2-bytes-little-endian-unsigned-integer-unaligned"), so I >> can't get type-safety here anyway. Declaring this field __le16 is IMHO a >> poor attempt as it creates an illusion of type safety when in fact there >> is no type safety guaranteed. > > The real question is to what extent attributes like ((aligned(N))) should > be considered part of the type as opposed to something just tacked on. I > don't know how the GCC people feel about this sort of thing. From a > higher-level (source code) point of view, the alignment doesn't affect the > set of operations which can be applied to the data type. In the > lower-level (object code) view, it does.
IMHO aligned(N) should be used in portable code only to *increase* alignment (this effectively excludes usage of 'packed'), and then the alignment won't affect the low-level operations, that automatically answers your question. Simple? -- Sergei. ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
