tree 56b2f8df63e73b5502e5343bb03e38147b9b433f
parent 7f43e9fa40d5440f77a9a0b46edaad9d1b69bd8a
author Bernie Innocenti <codewiz@google.com> 1553754757 +0900
committer Bernie Innocenti <codewiz@google.com> 1553756167 +0900

Disallow operator!() on unique_fd

This catches a common mistake where client code checks for errors using
the common idiom that works for std::iostream and other file-like
classes:

  unique_fd fd = open(...);
  if (!fd) {
  }

Test: atest libbase_test
Test: m droid
Change-Id: I9629a7795537ecb3b57be9c741c06f80967e4cc2