Add strstarts() helper function

nodename_from_path() in flattree.c uses strneq() to test that one
string starts with another. This is, in fact, the only correct usage
of strneq() in the entire tree.  To make things harder to confuse, add
a strstarts() function for this purpose.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2 files changed