text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE415_Double_Free__malloc_free_int_13.c
  Label Definition File: CWE415_Double_Free__malloc_free.label.xml
  Template File: sources-sinks-13.tmpl.c
  */
  /*
   * @description
   * CWE: 415 Double Free
   * BadSource:  Allocate data using malloc() and Deallocate data using free()
   * GoodSource: Allocate data using malloc()
   * Sinks:
   *    GoodSink: do nothing
   *    BadSink : Deallocate data using free()
   * Flow Variant: 13 Control flow: if(GLOBAL_CONST_FIVE==5) and if(GLOBAL_CONST_FIVE!=5)
   *
   * */
  
  #include "std_testcase.h"
  
  #include <wchar.h>
  
  #ifndef OMITBAD
  
  void CWE415_Double_Free__malloc_free_int_13_bad()
  {
      int * data;
      /* Initialize data */
      data = NULL;
      if(GLOBAL_CONST_FIVE==5)
      {
          data = (int *)malloc(100*sizeof(int));
          if (data == NULL) {exit(-1);}
          /* POTENTIAL FLAW: Free data in the source - the bad sink frees data as well */
          free(data);
      }
      if(GLOBAL_CONST_FIVE==5)
      {
          /* POTENTIAL FLAW: Possibly freeing memory twice */
          free(data);
      }
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodB2G1() - use badsource and goodsink by changing the second GLOBAL_CONST_FIVE==5 to GLOBAL_CONST_FIVE!=5 */
  static void goodB2G1()
  {
      int * data;
      /* Initialize data */
      data = NULL;
      if(GLOBAL_CONST_FIVE==5)
      {
          data = (int *)malloc(100*sizeof(int));
          if (data == NULL) {exit(-1);}
          /* POTENTIAL FLAW: Free data in the source - the bad sink frees data as well */
          free(data);
      }
      if(GLOBAL_CONST_FIVE!=5)
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          printLine("Benign, fixed string");
      }
      else
      {
          /* do nothing */
          /* FIX: Don't attempt to free the memory */
          ; /* empty statement needed for some flow variants */
      }
  }
  
  /* goodB2G2() - use badsource and goodsink by reversing the blocks in the second if */
  static void goodB2G2()
  {
      int * data;
      /* Initialize data */
      data = NULL;
      if(GLOBAL_CONST_FIVE==5)
      {
          data = (int *)malloc(100*sizeof(int));
          if (data == NULL) {exit(-1);}
          /* POTENTIAL FLAW: Free data in the source - the bad sink frees data as well */
          free(data);
      }
      if(GLOBAL_CONST_FIVE==5)
      {
          /* do nothing */
          /* FIX: Don't attempt to free the memory */
          ; /* empty statement needed for some flow variants */
      }
  }
  
  /* goodG2B1() - use goodsource and badsink by changing the first GLOBAL_CONST_FIVE==5 to GLOBAL_CONST_FIVE!=5 */
  static void goodG2B1()
  {
      int * data;
      /* Initialize data */
      data = NULL;
      if(GLOBAL_CONST_FIVE!=5)
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          printLine("Benign, fixed string");
      }
      else
      {
          data = (int *)malloc(100*sizeof(int));
          if (data == NULL) {exit(-1);}
          /* FIX: Do NOT free data in the source - the bad sink frees data */
      }
      if(GLOBAL_CONST_FIVE==5)
      {
          /* POTENTIAL FLAW: Possibly freeing memory twice */
          free(data);
      }
  }
  
  /* goodG2B2() - use goodsource and badsink by reversing the blocks in the first if */
  static void goodG2B2()
  {
      int * data;
      /* Initialize data */
      data = NULL;
      if(GLOBAL_CONST_FIVE==5)
      {
          data = (int *)malloc(100*sizeof(int));
          if (data == NULL) {exit(-1);}
          /* FIX: Do NOT free data in the source - the bad sink frees data */
      }
      if(GLOBAL_CONST_FIVE==5)
      {
          /* POTENTIAL FLAW: Possibly freeing memory twice */
          free(data);
      }
  }
  
  void CWE415_Double_Free__malloc_free_int_13_good()
  {
      goodB2G1();
      goodB2G2();
      goodG2B1();
      goodG2B2();
  }
  
  #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()...");
      CWE415_Double_Free__malloc_free_int_13_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE415_Double_Free__malloc_free_int_13_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  