From: Ondřej Surý <ondrej@isc.org>
Date: Wed, 6 Nov 2024 17:05:03 +0000 (+0000)
Subject: fix: dev: Enforce type checking for dns_dbnode_t
X-Git-Tag: v9.21.3~44
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4b47c4f628796720761fc3a84c84fb709f66a1f9;p=thirdparty%2Fbind9.git

fix: dev: Enforce type checking for dns_dbnode_t

Originally, the dns_dbnode_t was typedef'ed to void type.  This allowed
some flexibility, but using (void *) just removes any type-checking that
C might have.  Instead of using:

    typedef void dns_dbnode_t;

use a trick to define the type to non-existing structure:

    typedef struct dns_dbnode dns_dbnode_t;

This allows the C compilers to employ the type-checking while the
structure itself doesn't have to be ever defined because the actual
'storage' is never accessed using dns_dbnode_t type.

Merge branch 'ondrej/non-void-dns_dbnode_t' into 'main'

See merge request isc-projects/bind9!9719
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4b47c4f628796720761fc3a84c84fb709f66a1f9