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funcnest and recursion

From: Ondrej Oprala
Subject: funcnest and recursion
Date: Fri, 23 May 2014 16:17:12 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0

Hi, there've recently been a few bug reports against bash on RH BZ,
saying that bash can't handle infinite recursion the way zsh or ksh can.

Looking at execute_cmd.c, there are the  funcnest{,_max} variables
and a piece of code using them in execute_function().

Will funcnest_max be set to non-0 in upstream code in the future?
Or is it just there for the downstream maintainers to set it if they
see it fit?


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