string_list: make insert_string() return false if it's already there
commit235274a0b5f608931cb3cf2eb2c6a2b24294e2ca
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 26 Feb 2019 05:37:09 +0000 (26 08:37 +0300)
committerDan Carpenter <dan.carpenter@oracle.com>
Tue, 26 Feb 2019 05:37:09 +0000 (26 08:37 +0300)
tree53083855d7e4ffca50d9ae452a92f942fed0fe18
parent9a7d03b93a7943e3fc957a521e6bfa05b40fb85a
string_list: make insert_string() return false if it's already there

If we return false if it's already there, that lets us make a two step
process into a one step process and it's a speed up because of the fewer
calls to strcmp().

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch.h
smatch_constraints.c
smatch_db.c
smatch_string_list.c