text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE124_Buffer_Underwrite__new_wchar_t_loop_45.cpp
  Label Definition File: CWE124_Buffer_Underwrite__new.label.xml
  Template File: sources-sink-45.tmpl.cpp
  */
  /*
   * @description
   * CWE: 124 Buffer Underwrite
   * BadSource:  Set data pointer to before the allocated memory buffer
   * GoodSource: Set data pointer to the allocated memory buffer
   * Sinks: loop
   *    BadSink : Copy string to data using a loop
   * Flow Variant: 45 Data flow: data passed as a static global variable from one function to another in the same source file
   *
   * */
  
  #include "std_testcase.h"
  
  #include <wchar.h>
  
  namespace CWE124_Buffer_Underwrite__new_wchar_t_loop_45
  {
  
  static wchar_t * bad_data;
  static wchar_t * goodG2B_data;
  
  #ifndef OMITBAD
  
  static void bad_sink()
  {
      wchar_t * data = bad_data;
      {
          size_t i;
          wchar_t src[100];
          wmemset(src, L'C', 100-1); /* fill with 'C's */
          src[100-1] = L'\0'; /* null terminate */
          /* POTENTIAL FLAW: Possibly copying data to memory before the destination buffer */
          for (i = 0; i < 100; i++)
          {
              data[i] = src[i];
          }
          /* Ensure the destination buffer is null terminated */
          data[100-1] = L'\0';
          printWLine(data);
          /* INCIDENTAL CWE-401: Memory Leak - data may not point to location
             returned by new [] so can't safely call delete [] on it */
      }
  }
  
  void bad()
  {
      wchar_t * data;
      data = NULL;
      {
          wchar_t * data_buf = new wchar_t[100];
          wmemset(data_buf, L'A', 100-1);
          data_buf[100-1] = L'\0';
          /* FLAW: Set data pointer to before the allocated memory buffer */
          data = data_buf - 8;
      }
      bad_data = data;
      bad_sink();
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B() uses the GoodSource with the BadSink */
  static void goodG2B_sink()
  {
      wchar_t * data = goodG2B_data;
      {
          size_t i;
          wchar_t src[100];
          wmemset(src, L'C', 100-1); /* fill with 'C's */
          src[100-1] = L'\0'; /* null terminate */
          /* POTENTIAL FLAW: Possibly copying data to memory before the destination buffer */
          for (i = 0; i < 100; i++)
          {
              data[i] = src[i];
          }
          /* Ensure the destination buffer is null terminated */
          data[100-1] = L'\0';
          printWLine(data);
          /* INCIDENTAL CWE-401: Memory Leak - data may not point to location
             returned by new [] so can't safely call delete [] on it */
      }
  }
  
  static void goodG2B()
  {
      wchar_t * data;
      data = NULL;
      {
          wchar_t * data_buf = new wchar_t[100];
          wmemset(data_buf, L'A', 100-1);
          data_buf[100-1] = L'\0';
          /* FIX: Set data pointer to the allocated memory buffer */
          data = data_buf;
      }
      goodG2B_data = data;
      goodG2B_sink();
  }
  
  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 CWE124_Buffer_Underwrite__new_wchar_t_loop_45; // 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
  