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authorPeter Tyser <ptyser@xes-inc.com>2009-10-25 15:12:55 -0500
committerWolfgang Denk <wd@denx.de>2009-10-27 20:58:25 +0100
commitb0fa8e50632a628766db23f5c884ec63f1469552 (patch)
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setenv(): Delete 0-length environment variables
Previously setenv() would only delete an environment variable if it was passed a NULL string pointer as a value. It should also delete an environment variable when it encounters a valid string pointer of 0-length. This change/fix is generally useful and is necessary for the upcoming "editenv" command. Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
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