text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE121_Stack_Based_Buffer_Overflow__CWE805_wchar_t_alloca_snprintf_63b.c
  Label Definition File: CWE121_Stack_Based_Buffer_Overflow__CWE805.string.label.xml
  Template File: sources-sink-63b.tmpl.c
  */
  /*
   * @description
   * CWE: 121 Stack Based Buffer Overflow
   * BadSource:  Set data pointer to the bad buffer
   * GoodSource: Set data pointer to the good buffer
   * Sinks: snprintf
   *    BadSink : Copy string to data using snprintf
   * Flow Variant: 63 Data flow: pointer to data passed from one function to another in different source files
   *
   * */
  
  #include "std_testcase.h"
  
  #include <wchar.h>
  
  #ifdef _WIN32
  #define SNPRINTF _snwprintf
  #else
  #define SNPRINTF snprintf
  #endif
  
  #ifndef OMITBAD
  
  void CWE121_Stack_Based_Buffer_Overflow__CWE805_wchar_t_alloca_snprintf_63b_badSink(wchar_t * * dataPtr)
  {
      wchar_t * data = *dataPtr;
      {
          wchar_t source[100];
          wmemset(source, L'C', 100-1); /* fill with L'C's */
          source[100-1] = L'\0'; /* null terminate */
          /* POTENTIAL FLAW: Possible buffer overflow if the size of data is less than the length of source */
          SNPRINTF(data, 100, L"%s", source);
          printWLine(data);
      }
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B uses the GoodSource with the BadSink */
  void CWE121_Stack_Based_Buffer_Overflow__CWE805_wchar_t_alloca_snprintf_63b_goodG2BSink(wchar_t * * dataPtr)
  {
      wchar_t * data = *dataPtr;
      {
          wchar_t source[100];
          wmemset(source, L'C', 100-1); /* fill with L'C's */
          source[100-1] = L'\0'; /* null terminate */
          /* POTENTIAL FLAW: Possible buffer overflow if the size of data is less than the length of source */
          SNPRINTF(data, 100, L"%s", source);
          printWLine(data);
      }
  }
  
  #endif /* OMITGOOD */
  