Let findSupportedAbi and hasRenderscriptBitcode scan only relevant files

for better performance. Without the optimization, these two functions
may check more than 100k file names in the pre-installed APK files,
which can take a few seconds to finish even on a recent device.

(cherry-pick of 34fe3df8519523dbb4bc27010fa57f259d5e868d)

Bug: 21957428
Change-Id: I5ebe0438019958d883a7fda6bd92ea4484211d23

1 files changed, 9 insertions, 1 deletions

diff --git a/libs/androidfw/ZipFileRO.cpp b/libs/androidfw/ZipFileRO.cpp
index bdb659c38b42..37aae524d889 100644
--- a/libs/androidfw/ZipFileRO.cpp
+++ b/libs/androidfw/ZipFileRO.cpp
@@ -127,9 +127,17 @@ bool ZipFileRO::getEntryInfo(ZipEntryRO entry, uint16_t* pMethod,
 
 bool ZipFileRO::startIteration(void** cookie)
 {
+  return startIteration(cookie, NULL, NULL);
+}
+
+bool ZipFileRO::startIteration(void** cookie, const char* prefix, const char* suffix)
+{
     _ZipEntryRO* ze = new _ZipEntryRO;
+    ZipString pe(prefix ? prefix : "");
+    ZipString se(suffix ? suffix : "");
     int32_t error = StartIteration(mHandle, &(ze->cookie),
-                                   NULL /* prefix */, NULL /* suffix */);
+                                   prefix ? &pe : NULL,
+                                   suffix ? &se : NULL);
     if (error) {
         ALOGW("Could not start iteration over %s: %s", mFileName, ErrorCodeString(error));
         delete ze;