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Simplify IO.writeFully() for Android >= 6

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Do not handle buffer properties manually for Android >= 6 (where it is
already handled by Os.write()).

Refs <https://android.googlesource.com/platform/libcore/+/d9f7e57f5d09b587d8c8d1bd42b895f7de8fbf54%5E%21/>
This commit is contained in:
Romain Vimont 2024-10-01 22:50:34 +02:00
commit e724ff4349
1 changed files with 20 additions and 13 deletions
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7
server/src/main/java/com/genymobile/scrcpy/util/IO.java
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@ -2,6 +2,7 @@ package com.genymobile.scrcpy.util;
import com.genymobile.scrcpy.BuildConfig; import com.genymobile.scrcpy.BuildConfig;
import android.os.Build;
import android.system.ErrnoException; import android.system.ErrnoException;
import android.system.Os; import android.system.Os;
import android.system.OsConstants; import android.system.OsConstants;
@ -30,6 +31,11 @@ public final class IO {
} }
public static void writeFully(FileDescriptor fd, ByteBuffer from) throws IOException { public static void writeFully(FileDescriptor fd, ByteBuffer from) throws IOException {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
while (from.hasRemaining()) {
write(fd, from);
}
} else {
// ByteBuffer position is not updated as expected by Os.write() on old Android versions, so // ByteBuffer position is not updated as expected by Os.write() on old Android versions, so
// handle the position and the remaining bytes manually. // handle the position and the remaining bytes manually.
// See <https://github.com/Genymobile/scrcpy/issues/291>. // See <https://github.com/Genymobile/scrcpy/issues/291>.
@ -46,6 +52,7 @@ public final class IO {
from.position(position); from.position(position);
} }
} }
}
public static void writeFully(FileDescriptor fd, byte[] buffer, int offset, int len) throws IOException { public static void writeFully(FileDescriptor fd, byte[] buffer, int offset, int len) throws IOException {
writeFully(fd, ByteBuffer.wrap(buffer, offset, len)); writeFully(fd, ByteBuffer.wrap(buffer, offset, len));