tree 78c57d925674f66d36a8b0b751ce204c6b0b2519
parent abc782930e84ec2dc7f2be152111eb16574d1ff1
author A. Cody Schuffelen <schuffelen@google.com> 1649830375 -0700
committer A. Cody Schuffelen <schuffelen@google.com> 1649831592 -0700

Make `cuttlefish::CurrentDirectory()` safe to run in deleted directories.

Before this would trigger a segmentation fault as `getcwd()` can return
NULL.

Test: m -j
Bug: 228294703
Change-Id: I13d60a981d5abcaf75a5e47ccc8e747df7afd5be