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common: improve redirect_output() error handling
author
Brian Norris
<banorris@uci.edu>
Thu, 4 Apr 2013 19:55:33 +0000
(12:55 -0700)
committer
Brian Norris
<banorris@uci.edu>
Thu, 4 Apr 2013 20:03:14 +0000
(13:03 -0700)
Check the return code and errno results of all system/library calls.
Also delete the extraneous 'fd' variable and use the appropriate
STDOUT_FILENO macro instead of fileno(stdout).
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