commit 9907d161584415c81de1099678f160da172fd1a6
author Brad Fitzpatrick <bradfitz@android.com> Mon Apr 04 10:49:05 2011 -0700
committer Android Code Review <code-review@android.com> Mon Apr 04 10:49:05 2011 -0700
tree 30922026a0c2364d1b214979a88edeb202703c2f
parent 2ed72048828cf9f617da971e5d2b8a062de08e5b
parent 36aa8839d5509d12323a6025329d6913cbaa353b

Merge "Fix data corruption when writing to Bluetooth socket"

core/jni/android_bluetooth_BluetoothSocket.cpp

diff --git a/core/jni/android_bluetooth_BluetoothSocket.cpp b/core/jni/android_bluetooth_BluetoothSocket.cpp
index 31ebf8c..a62537d 100644
--- a/core/jni/android_bluetooth_BluetoothSocket.cpp
+++ b/core/jni/android_bluetooth_BluetoothSocket.cpp
@@ -448,7 +448,7 @@
 #ifdef HAVE_BLUETOOTH
     LOGV(__FUNCTION__);
 
-    int ret;
+    int ret, total;
     jbyte *b;
     int sz;
     struct asocket *s = get_socketData(env, obj);
@@ -471,15 +471,21 @@
         return -1;
     }
 
-    ret = asocket_write(s, &b[offset], length, -1);
-    if (ret < 0) {
-        jniThrowIOException(env, errno);
-        env->ReleaseByteArrayElements(jb, b, JNI_ABORT);
-        return -1;
+    total = 0;
+    while (length > 0) {
+        ret = asocket_write(s, &b[offset], length, -1);
+        if (ret < 0) {
+            jniThrowIOException(env, errno);
+            env->ReleaseByteArrayElements(jb, b, JNI_ABORT);
+            return -1;
+        }
+        offset += ret;
+        total += ret;
+        length -= ret;
     }
 
     env->ReleaseByteArrayElements(jb, b, JNI_ABORT);  // no need to commit
-    return (jint)ret;
+    return (jint)total;
 
 #endif
     jniThrowIOException(env, ENOSYS);