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Check return value of SetupComm in Windows

This commit is contained in:
hedgecrw85 2020-04-01 22:43:51 -05:00
parent 5ef0299abd
commit ca1c709d00
1 changed files with 2 additions and 3 deletions
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5
src/main/c/Windows/SerialPort_Windows.c
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@ -2,7 +2,7 @@
* SerialPort_Windows.c
*
* Created on: Feb 25, 2012
* Last Updated on: Feb 19, 2020
* Last Updated on: Apr 01, 2020
* Author: Will Hedgecock
*
* Copyright (C) 2012-2020 Fazecast, Inc.
@ -437,8 +437,7 @@ JNIEXPORT jboolean JNICALL Java_com_fazecast_jSerialComm_SerialPort_configPort(J
BOOL XonXoffOutEnabled = ((flowControl & com_fazecast_jSerialComm_SerialPort_FLOW_CONTROL_XONXOFF_OUT_ENABLED) > 0);
// Retrieve existing port configuration
SetupComm(serialPortHandle, receiveDeviceQueueSize, sendDeviceQueueSize);
if (!configDisabled && !GetCommState(serialPortHandle, &dcbSerialParams))
if (!configDisabled && (!SetupComm(serialPortHandle, receiveDeviceQueueSize, sendDeviceQueueSize) || !GetCommState(serialPortHandle, &dcbSerialParams)))
return JNI_FALSE;
// Set updated port parameters