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Code Releases Wiki Activity

Fossil Hybrid HR: Correctly truncate notification body when too long

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The original truncation code caused the null termination of the string
to be dropped, leading to several weird issues on the watch, including
empty notification bodies and firmware crashes.
This commit is contained in:
Arjan Schrijver 2022-12-21 23:16:11 +01:00
parent 824d75ccc0
commit 82b3e0d963
1 changed files with 3 additions and 3 deletions
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6
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/qhybrid/requests/fossil/notification/PlayNotificationRequest.java
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@ -61,11 +61,11 @@ public abstract class PlayNotificationRequest extends FilePutRequest {
byte[] titleBytes = nullTerminatedTitle.getBytes(charsetUTF8);
String nullTerminatedSender = StringUtils.terminateNull(sender);
byte[] senderBytes = nullTerminatedSender.getBytes(charsetUTF8);
if (message.length() > 475) {
message = message.substring(0, 475);
}
String nullTerminatedMessage = StringUtils.terminateNull(message);
byte[] messageBytes = nullTerminatedMessage.getBytes(charsetUTF8);
if (messageBytes.length > 490) {
messageBytes = Arrays.copyOf(messageBytes, 475);
}
short mainBufferLength = (short) (lengthBufferLength + uidLength + appBundleCRCLength + titleBytes.length + senderBytes.length + messageBytes.length);
ByteBuffer mainBuffer = ByteBuffer.allocate(mainBufferLength);