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Fix: check return value on getenv USER
authorDavid Goulet <dgoulet@efficios.com>
Tue, 3 Apr 2012 14:48:04 +0000 (10:48 -0400)
committerDavid Goulet <dgoulet@efficios.com>
Tue, 3 Apr 2012 14:54:15 +0000 (10:54 -0400)
System with no environment variable USER, one of the easter egg caused a
segfault on certain embedded linux platforms.

Other getenv() of the project were audited to ensure that the return
value is checked.

Reported-by: Ryan Kyser <Ryan.Kyser@jci.com>
Signed-off-by: David Goulet <dgoulet@efficios.com>

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