Bug#1078822: openldap FTBFS on 32bit architectures: ../../../../libraries/libldap/tls_g.c:951:57: error: passing argument 4 of 'gnutls_fingerprint' from incompatible pointer type [-Wincompatible-pointer-types]

[Ryan Tandy]

OpenEmbedded silenced the warning with a cast:

https://git.openembedded.org/meta-openembedded/tree/meta-oe/recipes-support/openldap/openldap/0001-fix-incompatible-pointer-type-error.patch?h=master

(also marked "Upstream-Status: Submitted", but I can't find any evidence 
of that online...)

bv_len was obtained from gnutls_hash_get_len just above, so we know it 
fits an unsigned int. But I don't know the rules of C here, is that 
pointer cast actually valid? I think a temporary variable like you 
suggested is a better idea. There is already a "size_t len" in scope 
used for similar purposes; I think we can probably use that.