Hello!
If PHP5 cvs is compiled with gcc 3.3 and -Wall, there are warnings
about: "dereferencing type-punned pointer will break strict-aliasing
rules". E.g. they occur if the last parameter of zend_hash_find is a
zval ** and used as zend_hash_find(..., (void **) &data).
This warning has to do with the strict aliasing rules (which are
turned on by the default -O2), "in particular, an object of one type
is assumed never to reside at the same address as an object of a
different type, unless the types are almost the same." (from the gcc
man page). It can be circumvented by using unions, but this would
require changes for nearly every invocation of zend_hash_find() (or
should there be a variant of zend_hash_find which takes a zval **
instead of a void **?).
Does anybody who knows gcc or the C standard better than I know
another solution?
Stefan
--
Stefan Röhrich [EMAIL PROTECTED], [EMAIL PROTECTED]
http://www.roehri.ch/~sr/
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