On Mar 25, 2007, at 1:38 AM, Andrew Thompson wrote:
Hi,
There was a discussion late last year about how to fix the warnings in
sys/sys/hash.h.
http://lists.freebsd.org/pipermail/freebsd-net/2006-October/
012098.html
There were a few suggestions put forward but nothing was ever
committed. I
need to include this file in the kernel for a new driver but do not
know
enough about this type of warning to fix it. Can anyone recommend
the correct
fix?
@/sys/hash.h: In function `hash32_stre':
@/sys/hash.h:97: warning: cast discards qualifiers from pointer
target type
@/sys/hash.h: In function `hash32_strne':
@/sys/hash.h:116: warning: cast discards qualifiers from pointer
target type
cheers,
Andrew
After looking at the source it appears that part of the problem stems
from the fact that p is an unsigned char pointer, where ep is a
signed char double pointer. So you're losing some precision in the
process (hence where the error's coming from I believe).
So, if you modified buf (the pointer that p is pointing to) or ep to
be compatible with one another, you probably wouldn't get this warning..
-Garrett
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