text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE762_Mismatched_Memory_Management_Routines__delete_int_malloc_34.cpp
  Label Definition File: CWE762_Mismatched_Memory_Management_Routines__delete.label.xml
  Template File: sources-sinks-34.tmpl.cpp
  */
  /*
   * @description
   * CWE: 762 Mismatched Memory Management Routines
   * BadSource: malloc Allocate data using malloc()
   * GoodSource: Allocate data using new
   * Sinks:
   *    GoodSink: Deallocate data using free()
   *    BadSink : Deallocate data using delete
   * Flow Variant: 34 Data flow: use of a union containing two methods of accessing the same data (within the same function)
   *
   * */
  
  #include "std_testcase.h"
  
  namespace CWE762_Mismatched_Memory_Management_Routines__delete_int_malloc_34
  {
  
  typedef union
  {
      int * unionFirst;
      int * unionSecond;
  } unionType;
  
  #ifndef OMITBAD
  
  void bad()
  {
      int * data;
      unionType myUnion;
      /* Initialize data*/
      data = NULL;
      /* POTENTIAL FLAW: Allocate memory with a function that requires free() to free the memory */
      data = (int *)malloc(100*sizeof(int));
      if (data == NULL) {exit(-1);}
      myUnion.unionFirst = data;
      {
          int * data = myUnion.unionSecond;
          /* POTENTIAL FLAW: Deallocate memory using delete - the source memory allocation function may
           * require a call to free() to deallocate the memory */
          delete data;
      }
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B() uses the GoodSource with the BadSink */
  static void goodG2B()
  {
      int * data;
      unionType myUnion;
      /* Initialize data*/
      data = NULL;
      /* FIX: Allocate memory from the heap using new */
      data = new int;
      myUnion.unionFirst = data;
      {
          int * data = myUnion.unionSecond;
          /* POTENTIAL FLAW: Deallocate memory using delete - the source memory allocation function may
           * require a call to free() to deallocate the memory */
          delete data;
      }
  }
  
  /* goodB2G() uses the BadSource with the GoodSink */
  static void goodB2G()
  {
      int * data;
      unionType myUnion;
      /* Initialize data*/
      data = NULL;
      /* POTENTIAL FLAW: Allocate memory with a function that requires free() to free the memory */
      data = (int *)malloc(100*sizeof(int));
      if (data == NULL) {exit(-1);}
      myUnion.unionFirst = data;
      {
          int * data = myUnion.unionSecond;
          /* FIX: Deallocate the memory using free() */
          free(data);
      }
  }
  
  void good()
  {
      goodG2B();
      goodB2G();
  }
  
  #endif /* OMITGOOD */
  
  } /* close namespace */
  
  /* Below is the main(). It is only used when building this testcase on
     its own for testing or for building a binary to use in testing binary
     analysis tools. It is not used when compiling all the testcases as one
     application, which is how source code analysis tools are tested. */
  #ifdef INCLUDEMAIN
  
  using namespace CWE762_Mismatched_Memory_Management_Routines__delete_int_malloc_34; /* so that we can use good and bad easily */
  
  int main(int argc, char * argv[])
  {
      /* seed randomness */
      srand( (unsigned)time(NULL) );
  #ifndef OMITGOOD
      printLine("Calling good()...");
      good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  