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From: Ariadne Conill <ariadne@dereferenced.org>
To: musl <musl@lists.openwall.com>
Date: Tue, 21 Jul 2020 04:18:35 -0600
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Subject: [musl] perhaps we should add re[c]allocarray?

Hello,

reallocarray and recallocarray are BSD extensions that solve similar issues as 
strlcpy/strlcat, but with array reallocations instead of strings.

reallocarray itself is already part of glibc since 2.28.

Unfortunately, while working on new ifupdown implementation for Alpine, I 
wanted to use recallocarray because it is very helpful in terms of pushing new 
strings to a string array (you will always maintain a NULL-terminated array, 
and you don't have to worry about it) -- but I discovered musl still does not 
have it.

Anyway, I think it would be useful to include both functions in musl 1.2.1.  
If everyone agrees, I'll make a patch.

Ariadne