Test case 238401

Description

CWE: 191 Integer Underflow
BadSource: listen_socket Read data using a listen socket (server side)
GoodSource: Set data to a small, non-zero number (negative two)
Sinks: decrement
GoodSink: Ensure there will not be an underflow before decrementing data
BadSink : Decrement data, which can cause an Underflow
Flow Variant: 52 Data flow: data passed as an argument from one function to another to another in three different source files