commit afaf6e9ee73b340c4fb2e98ea73b6c8c349a3e9d
author Songchun Fan <schfan@google.com> Wed Mar 18 14:12:20 2020 -0700
committer Songchun Fan <schfan@google.com> Wed Mar 18 14:17:04 2020 -0700
tree c360fe67e46eee474fbd6114c450fb3fe0727f41
parent 7695663db7424a834e49906e4167fe4198c3c781

[incremental native lib] skip writing to zero byte files

Test: adb install --incremental /google/data/rw/teams/tradefed/testdata/thirdparty_apps_stable/MX_Player_1.9.17.apk
BUG: 150795871
Change-Id: Idca09929f41424edb527b9b89dea1974c1f8ea46

services/incremental/IncrementalService.cpp

diff --git a/services/incremental/IncrementalService.cpp b/services/incremental/IncrementalService.cpp
index 2eadece..76eb357 100644
--- a/services/incremental/IncrementalService.cpp
+++ b/services/incremental/IncrementalService.cpp
@@ -1170,6 +1170,10 @@
             // If one lib file fails to be created, abort others as well
             break;
         }
+        // If it is a zero-byte file, skip data writing
+        if (uncompressedLen == 0) {
+            continue;
+        }
 
         // Write extracted data to new file
         std::vector<uint8_t> libData(uncompressedLen);