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Fossil/Skagen Hybrids: Fix crash on empty or multi-byte unicode alarm texts

Fixes #3024
This commit is contained in:
Arjan Schrijver 2023-02-05 14:29:50 +01:00
parent 25be7cf12d
commit 14f05a7cf6

View File

@ -42,14 +42,20 @@ public class AlarmsSetRequest extends FilePutRequest {
int sizeWhole = 17 * alarms.length;
for(Alarm alarm : alarms){
String label = alarm.getTitle();
if (label == null || label.isEmpty()) {
label = "---";
}
label = label.substring(0, Math.min(label.length(), 15));
alarm.setTitle(label);
String message = alarm.getMessage();
if (message == null || message.isEmpty()) {
message = "---";
}
message = message.substring(0, Math.min(message.length(), 50));
alarm.setMessage(message);
sizeWhole += label.length() + message.length();
sizeWhole += label.getBytes().length + message.getBytes().length;
}
buffer = ByteBuffer.allocate(sizeWhole); // 4 for overall length
buffer.order(ByteOrder.LITTLE_ENDIAN);
@ -57,7 +63,7 @@ public class AlarmsSetRequest extends FilePutRequest {
for (Alarm alarm : alarms) {
String label = alarm.getTitle();
String message = alarm.getMessage();
int alarmSize = 17 + label.length() + message.length();
int alarmSize = 17 + label.getBytes().length + message.getBytes().length;
buffer.put((byte) 0x00); // No information why
buffer.putShort((short) (alarmSize - 3)); // Alarm size, 0 above and this does not count
@ -66,12 +72,12 @@ public class AlarmsSetRequest extends FilePutRequest {
buffer.put(alarm.getData());
buffer.put((byte) 0x01); // Another entry id label
buffer.putShort((short) (label.length() + 1)); // Entry length
buffer.putShort((short) (label.getBytes().length + 1)); // Entry length
buffer.put(label.getBytes());
buffer.put((byte) 0x00); // Null terminator
buffer.put((byte) 0x02); // Entry ID subtext
buffer.putShort((short) (message.length() + 1)); // Entry length
buffer.putShort((short) (message.getBytes().length + 1)); // Entry length
buffer.put(message.getBytes());
buffer.put((byte) 0x00); // Null terminator
}