commit 4f694baebb578b3ecc0c431f2a05c92efb9a50b3
author Brian Carlstrom <bdc@google.com> Tue Sep 23 21:13:28 2014 -0700
committer Brian Carlstrom <bdc@google.com> Tue Sep 23 23:58:19 2014 -0700
tree 33c14cf4133ce5efa716721289a922dfa00f4803
parent f038ed9f031acb9c4fdf8a7f86e3c7ffad537e37

dex2oat should truncate files opened from file descriptors

Bug: 17622827

(cherry picked from commit aa93129ca54cc897fdc2c8ddd0a7136f7b5632ed)

Change-Id: I5467d488b4a57f7be35c72c16775df5bd5d69a52

dex2oat/dex2oat.cc

diff --git a/dex2oat/dex2oat.cc b/dex2oat/dex2oat.cc
index afc01dc..9e6e958 100644
--- a/dex2oat/dex2oat.cc
+++ b/dex2oat/dex2oat.cc
@@ -1252,6 +1252,7 @@
   } else {
     oat_file.reset(new File(oat_fd, oat_location));
     oat_file->DisableAutoClose();
+    oat_file->SetLength(0);
   }
   if (oat_file.get() == nullptr) {
     PLOG(ERROR) << "Failed to create oat file: " << oat_location;