facebook-api: properly handle optional Thrift fields and scoping

The plugin is required to read Thrift data for the presence states of
contacts. The data which is being read has some optional fields, which
are rarely not supplied. This has led to this bug being undiscovered
for quite some time.

Not only was the plugin not properly accounting for optional fields,
but also did not account for field scoping. This is not really an issue
until a Thrift list is being read, which will cause the identifier to
grow with each field read, rather than reset. The field identifier is
only relevant to its local scope, nothing more. More importantly, the
identifier must be reset with each iteration of a list.

0 files changed, 0 insertions, 0 deletions