Re: [PATCH] sort: use a default PATH when the environment variable is undefined

[Bruno Haible via Gnulib discussion list]

Pádraig Brady wrote:
> We wouldn't want certain configs to fall back to
> finding programs in the current directory.

In this case, when confstr (_CS_PATH) is longer than expected,
I would prefer
  - either an abort(),
  - or a 'struct string_buffer', so that we don't use heap allocation
    in the normal case.

Bruno