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Commit 2ef46ce4 authored by Gregory Nutt's avatar Gregory Nutt
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NSH library: In nsh_argexand(), if CONFIG_NSH_ARGCAT is defined but... 

NSH library: In nsh_argexand(), if CONFIG_NSH_ARGCAT is defined but CONFIG_NSH_CMDPARMS defined and/or CONFIG_DISABLE_ENVIRON not defined, then there is a situation that causes an infinite loop in the parser.  Noted by Freddie Chopin.
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