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From Julian Foad <julianf...@btopenworld.com>
Subject Merge the new apr_hash_this_{key,key_len,val} to 1.5
Date Wed, 23 Jan 2013 15:19:39 GMT
Dear APR devs,

Please can we merge the these functions from trunk [1,2] to the next version to be released,
which I assume would mean the 1.5 branch, before it's released, as originally discussed at

  const char * apr_hash_this_key(apr_hash_index_t *);
  apr_ssize_t  apr_hash_this_key_len(apr_hash_index_t *);
  void *       apr_hash_this_val(apr_hash_index_t *);

The Apache Subversion code base already implements and extensively uses an equivalent API
[4], and I anticipate Subversion would switch to using these new APR functions soon after
they become available (using fallbacks when linking to older APR versions).

Note: Just before sending this, I sent a patch to simplify and constify these functions. 
It would be best to apply that patch before merging to 1.5 if that patch is accepted.

Let me know if I can help with this.  I can commit the merge myself, for example, if you
approve me to do so.  (Likewise, the commit of the other patch.)

- Julian

[1] tracked as: <https://issues.apache.org/bugzilla/show_bug.cgi?id=49065>

[2] committed as: <http://svn.apache.org/viewvc?view=revision&revision=931973>

[3] discussed at: <http://mail-archives.apache.org/mod_mbox/apr-dev/201003.mbox/%3C4B96A8EF.8030401%40rowe-clan.net%3E>
in the thread found at <http://mail-archives.apache.org/mod_mbox/apr-dev/201003.mbox/browser>;
search for "[PATCH] apr_hash_this_{key,klen,val}".

[4] The equivalent API in Subversion uses longer names for the functions and an implementation
that simply wraps apr_hash_this().  The code can be seen at e.g. <http://svn.apache.org/viewvc/subversion/tags/1.7.8/subversion/include/svn_types.h?annotate=1387206#l164>
and <http://svn.apache.org/viewvc/subversion/tags/1.7.8/subversion/libsvn_subr/iter.c?annotate=1387206#l185>.

Certified & Supported Apache Subversion Downloads: http://www.wandisco.com/subversion/download

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