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The legacy HAL wrapper prepareForWrite and prepareForRead used to return INVALID_ARGUMENTS if the computed buffer size just under SIZE_MAX. This meant that the limitation depended on the architecture (32 vs 64 bit size_t). This caused VTS test failure on 64 bits. Instead of dynamically calculating an arbitrary max size, choose a fixed one. This max buffer size has been chosen at 1GiB. It should be enough for the foreseeable future and not too close from the 4GiB max on 32 bit. Test: vts-tradefed run commandAndExit vts --module VtsHalAudioV2_0Target Bug: 67030516 Change-Id: I4cc3efda9bb66e6dae8b4e6785f52d9e51440aee Signed-off-by: Kevin Rocard <krocard@google.com>