Alan Barrett <a...@cequrux.com> writes:

> On Fri, 25 Oct 2013, Branko Čibej wrote:
>>> URL: http://svn.apache.org/r1535399
>>> Log:
>>> Cast NULL to (char *) in vararg calls to svn_dirent_join_many
>>> and svn_path_join_many.
>>
>>
>>Why? On which platform do you expect a char* to have a different size
>>and/or representation than a void*?
>
> NULL may be defined as any null pointer constant [1]; acceptable values 
> include 0 or ((void *)0) [2].  If NULL is defined as 0, then passing it to a 
> varargs function that expects any kind of pointer will not work properly.

We have had this discussion in the past and decided that casting was
strictly correct; in some places we were already using (char *)NULL:

http://svn.haxx.se/dev/archive-2011-02/0841.shtml

-- 
Philip Martin | Subversion Committer
WANdisco // *Non-Stop Data*

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