tree eebc4cc1f256394d6072934902b45ec082dbef4b
parent 26660e9b26c0a9f54a80806244ab20d23e41f532
author Brandon Kim <brandonkim@google.com> 1655403216 -0700
committer Brandon Kim <brandonkim@google.com> 1655442923 -0700

buffer: bugfix (v2) consolidate the offset and readptr

- It didn't make sense to make the user keep count of the different
  types of read pointers, instead do the relative calculation at the
  lowest level (wraparoundRead)
- Added further tests to prove out that readPtr is being updated
  properly in wraparoundRead)
- Fixed wraparoundRead, as it was relying on the dataInterface->read to
  read until the "end". The "end" was fixed in the bugfix #1 to be the
  end of the queue instead of the mmaped buffer.
- took out addtionalBoundaryCheck from wraparoundRead, as it was no
  longer needed

Tested: Unit tested

Signed-off-by: Brandon Kim <brandonkim@google.com>
Change-Id: I101360223597d197362dc1dbe4a27601da09933f