text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE127_Buffer_Underread__new_wchar_t_cpy_43.cpp
  Label Definition File: CWE127_Buffer_Underread__new.label.xml
  Template File: sources-sink-43.tmpl.cpp
  */
  /*
   * @description
   * CWE: 127 Buffer Under-read
   * BadSource:  Set data pointer to before the allocated memory buffer
   * GoodSource: Set data pointer to the allocated memory buffer
   * Sinks: cpy
   *    BadSink : Copy data to string using wcscpy
   * Flow Variant: 43 Data flow: data flows using a C++ reference from one function to another in the same source file
   *
   * */
  
  #include "std_testcase.h"
  
  #include <wchar.h>
  
  namespace CWE127_Buffer_Underread__new_wchar_t_cpy_43
  {
  
  #ifndef OMITBAD
  
  void badSource(wchar_t * &data)
  {
      {
          wchar_t * dataBuffer = new wchar_t[100];
          wmemset(dataBuffer, L'A', 100-1);
          dataBuffer[100-1] = L'\0';
          /* FLAW: Set data pointer to before the allocated memory buffer */
          data = dataBuffer - 8;
      }
  }
  
  void bad()
  {
      wchar_t * data;
      data = NULL;
      badSource(data);
      {
          wchar_t dest[100*2];
          wmemset(dest, L'C', 100*2-1); /* fill with 'C's */
          dest[100*2-1] = L'\0'; /* null terminate */
          /* POTENTIAL FLAW: Possibly copy from a memory location located before the source buffer */
          wcscpy(dest, data);
          printWLine(dest);
          /* INCIDENTAL CWE-401: Memory Leak - data may not point to location
           * returned by new [] so can't safely call delete [] on it */
      }
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B() uses the GoodSource with the BadSink */
  static void goodG2BSource(wchar_t * &data)
  {
      {
          wchar_t * dataBuffer = new wchar_t[100];
          wmemset(dataBuffer, L'A', 100-1);
          dataBuffer[100-1] = L'\0';
          /* FIX: Set data pointer to the allocated memory buffer */
          data = dataBuffer;
      }
  }
  
  static void goodG2B()
  {
      wchar_t * data;
      data = NULL;
      goodG2BSource(data);
      {
          wchar_t dest[100*2];
          wmemset(dest, L'C', 100*2-1); /* fill with 'C's */
          dest[100*2-1] = L'\0'; /* null terminate */
          /* POTENTIAL FLAW: Possibly copy from a memory location located before the source buffer */
          wcscpy(dest, data);
          printWLine(dest);
          /* INCIDENTAL CWE-401: Memory Leak - data may not point to location
           * returned by new [] so can't safely call delete [] on it */
      }
  }
  
  void good()
  {
      goodG2B();
  }
  
  #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 CWE127_Buffer_Underread__new_wchar_t_cpy_43; /* 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
  