Re: sparse warnings for variable length arrays

[Dave Jones]

On Thu, Jul 13, 2006 at 10:58:08AM +0200, Heiko Carstens wrote:
 > Hi all,
 > 
 > in include/asm-s390/bitops.h we have several typedefs:
 > 
 > typedef struct { long _[__BITOPS_WORDS(size)]; } addrtype;
 > 
 > sparse warns about these with "error: bad constant expression".
 > Is there any way to tell sparse to be quiet? __force doesn't seem to work.

In many cases, these turn up as on-stack variables.  It'd be
nice if sparse could figure out the maximum potential bound
and warn appropriately if they could reach $BIGSIZE.

For non-stack vars, it's less of an issue of course.

		Dave

-- 
http://www.codemonkey.org.uk
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