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putty-source/unix
Simon Tatham 9fc8320fc3 uxpty: handle $SHELL not being set.
This is unlikely in most situations, but 'psusan' in particular is
intended to be run in a lot of weird environments where things aren't
properly set up yet. I just found out that if you use a Cygwin-built
psusan as the proxy process for Windows PuTTY (to get a local Cygwin
xterm) then it starts up with SHELL unset, and uxpty's forked
subprocess segfaults when it tries to exec a null pointer.
2020-03-21 14:45:03 +00:00
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