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Common/command: Guard strchr/strlen from NULL pointer
authorThomas Weber <weber@corscience.de>
Wed, 24 Nov 2010 12:07:51 +0000 (13:07 +0100)
committerWolfgang Denk <wd@denx.de>
Sat, 27 Nov 2010 22:35:13 +0000 (23:35 +0100)
commit7013c06124e9760f75ef194d429ed29fba843eb9
tree4fd24ea97e78fb6f140d15db2ff4e5f5b85f1837tree | snapshot
parent5904da021449c6d2404485dc1379bf0f3b33414acommit | diff
Common/command: Guard strchr/strlen from NULL pointer

Guard strchr/strlen from being called with NULL pointer.
This line is crashing when command "env" is called without subcommand.

The cmd is NULL in this case because the calling function "do_env"
decremented the argc without checking if there are still arguments available.

Signed-off-by: Thomas Weber <weber@corscience.de>
common/command.c diff | blob | history
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