session-android/src/org/thoughtcrime/securesms/util/SmsCharacterCalculator.java
Moxie Marlinspike 893f106189 Fix divide by zero error
Fixes #5674

// FREEBIE
2016-09-09 11:53:37 -07:00

43 lines
1.4 KiB
Java

/**
* Copyright (C) 2011 Whisper Systems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.thoughtcrime.securesms.util;
import android.telephony.SmsMessage;
public class SmsCharacterCalculator extends CharacterCalculator {
@Override
public CharacterState calculateCharacters(String messageBody) {
int[] length = SmsMessage.calculateLength(messageBody, false);
int messagesSpent = length[0];
int charactersSpent = length[1];
int charactersRemaining = length[2];
int maxMessageSize;
if (messagesSpent > 0) {
maxMessageSize = (charactersSpent + charactersRemaining) / messagesSpent;
} else {
maxMessageSize = (charactersSpent + charactersRemaining);
}
return new CharacterState(messagesSpent, charactersRemaining, maxMessageSize);
}
}