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Commit 4bb9120b authored by Yi-yo Chiang's avatar Yi-yo Chiang Committed by Automerger Merge Worker
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Merge changes from topic "dynamic_system.data_transfer.shared_memory.size" am:... 

Merge changes from topic "dynamic_system.data_transfer.shared_memory.size" am: f76e45bf am: 304b980f am: 7f4dfc67 am: 7aae11ac

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2033045

Change-Id: I8dc2fa17a1e68208acab416fd9630aa7bf82e438
parents 77e7db4c 7aae11ac

packages/DynamicSystemInstallationService/src/com/android/dynsystem/SparseInputStream.java

+8 −12
Original line number Diff line number Diff line
@@ -133,36 +133,32 @@ public class SparseInputStream extends InputStream { 
        return mLeft == 0;

    }



    /**

     * It overrides the InputStream.read(byte[] buf)

     */

    public int read(byte[] buf) throws IOException {

    @Override

    public int read(byte[] buf, int off, int len) throws IOException {

        if (!mIsSparse) {

            return mIn.read(buf);

            return mIn.read(buf, off, len);

        }

        if (prepareChunk()) return -1;

        int n = -1;

        switch (mCur.mChunkType) {

            case SparseChunk.RAW:

                n = mIn.read(buf, 0, (int) min(mLeft, buf.length));

                n = mIn.read(buf, off, (int) min(mLeft, len));

                mLeft -= n;

                return n;

            case SparseChunk.DONTCARE:

                n = (int) min(mLeft, buf.length);

                Arrays.fill(buf, 0, n - 1, (byte) 0);

                n = (int) min(mLeft, len);

                Arrays.fill(buf, off, off + n, (byte) 0);

                mLeft -= n;

                return n;

            case SparseChunk.FILL:

                // The FILL type is rarely used, so use a simple implmentation.

                return super.read(buf);

                return super.read(buf, off, len);

            default:

                throw new IOException("Unsupported Chunk:" + mCur.toString());

        }

    }



    /**

     * It overrides the InputStream.read()

     */

    @Override

    public int read() throws IOException {

        if (!mIsSparse) {

            return mIn.read();