On 2014-09-08 15:35, Farley, Peter x23353 wrote: > > * ( int ** ) & ip.miscitems = &miscitems; /* Try casting on the left. */ > > That solution may introduce unnecessary reference-and-dereference > instructions, depending on the optimization level at compile time. I find it > far easier to coerce the subject to the target, in this case with a simple > (char **) in ILP32 mode. IMHO that should make the assignment much simpler > for the compiler to generate optimally, and for the next programmer looking > at it to decipher. > > ip.__miscitems = (char **)&miscitems; > > YMMV, and TMTOWTDI. > I don't recall why I chose that. It may have been my unfamilarity with C (not much better nowadays), coupled with (I remember clearly) the original open source author's casting an L-value, accepted by most compilers but prohibited by ANSI and by IBM. It may have been buried in macros, making the straightforward solution harder.
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