[patch] setenv(...) can delete environmentalvariables
authorJeffrey Mann <mannj@embeddedplanet.com>
Mon, 23 Apr 2007 12:00:11 +0000 (14:00 +0200)
committerWolfgang Denk <wd@denx.de>
Sat, 5 May 2007 19:30:20 +0000 (21:30 +0200)
commit9ffd451afeb08e5be7ddae680487ec962b2bca25
treebb472075299e88155d5384192c9cde337c38364e
parentebd0a0ae05a44769c4e27458ad4e9f3438250443
[patch] setenv(...) can delete environmentalvariables

update setenv() function so that entering a NULL value for the
variable's value will delete the environmental variable

Signed-off-by: Jeffrey Mann <mannj@embeddedplanet.com>
Acked-by: Stefan Roese <sr@denx.de>
common/cmd_nvedit.c