tree 7684005feef776fa06fc966d5ec8b72c29232869
parent 1b69a99fc9825779e8422c48dad5f96f394fe8d4
author Simon Glass <sjg@chromium.org> 1538416507 -0600
committer Simon Glass <sjg@chromium.org> 1539081626 -0600

sandbox: Support file truncation with os_open()

At present files are not truncated on writing. This is a useful feature.
Add support for this.

Signed-off-by: Simon Glass <sjg@chromium.org>