text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE665_Improper_Initialization__char_cat_34.c
  Label Definition File: CWE665_Improper_Initialization.label.xml
  Template File: sources-sink-34.tmpl.c
  */
  /*
   * @description
   * CWE: 665 Improper Initialization
   * BadSource:  Do not initialize data properly
   * GoodSource: Initialize data
   * Sinks: cat
   *    BadSink : Copy string to data using strcat
   * 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"
  
  #include <wchar.h>
  
  typedef union
  {
      char * unionFirst;
      char * unionSecond;
  } CWE665_Improper_Initialization__char_cat_34_unionType;
  
  #ifndef OMITBAD
  
  void CWE665_Improper_Initialization__char_cat_34_bad()
  {
      char * data;
      CWE665_Improper_Initialization__char_cat_34_unionType myUnion;
      char dataBuffer[100];
      data = dataBuffer;
      /* FLAW: Do not initialize data */
      ; /* empty statement needed for some flow variants */
      myUnion.unionFirst = data;
      {
          char * data = myUnion.unionSecond;
          {
              char source[100];
              memset(source, 'C', 100-1); /* fill with 'C's */
              source[100-1] = '\0'; /* null terminate */
              /* POTENTIAL FLAW: If data is not initialized properly, strcat() may not function correctly */
              strcat(data, source);
              printLine(data);
          }
      }
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodG2B() uses the GoodSource with the BadSink */
  static void goodG2B()
  {
      char * data;
      CWE665_Improper_Initialization__char_cat_34_unionType myUnion;
      char dataBuffer[100];
      data = dataBuffer;
      /* FIX: Properly initialize data */
      data[0] = '\0'; /* null terminate */
      myUnion.unionFirst = data;
      {
          char * data = myUnion.unionSecond;
          {
              char source[100];
              memset(source, 'C', 100-1); /* fill with 'C's */
              source[100-1] = '\0'; /* null terminate */
              /* POTENTIAL FLAW: If data is not initialized properly, strcat() may not function correctly */
              strcat(data, source);
              printLine(data);
          }
      }
  }
  
  void CWE665_Improper_Initialization__char_cat_34_good()
  {
      goodG2B();
  }
  
  #endif /* OMITGOOD */
  
  /* 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
  
  int main(int argc, char * argv[])
  {
      /* seed randomness */
      srand( (unsigned)time(NULL) );
  #ifndef OMITGOOD
      printLine("Calling good()...");
      CWE665_Improper_Initialization__char_cat_34_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE665_Improper_Initialization__char_cat_34_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  