extra: improve parent_is_null_var_sym()
commitedc9be6bc00b6652aee1cc3798be1eac38331eb8
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 9 Jan 2015 10:11:00 +0000 (9 13:11 +0300)
committerDan Carpenter <dan.carpenter@oracle.com>
Fri, 9 Jan 2015 10:11:00 +0000 (9 13:11 +0300)
tree9104b7a7f6ed22017e7d921070aa350183706651
parenta1673784dfc9b899f31e9d49e9accb2124836825
extra: improve parent_is_null_var_sym()

Return true if we are dealing with "*foo" and the "foo" is NULL.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch_extra.c