text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE457_Use_of_Uninitialized_Variable__double_array_alloca_partial_init_16.c
  Label Definition File: CWE457_Use_of_Uninitialized_Variable.c_array.label.xml
  Template File: sources-sinks-16.tmpl.c
  */
  /*
   * @description
   * CWE: 457 Use of Uninitialized Variable
   * BadSource: partial_init Initialize part, but not all of the array
   * GoodSource: Initialize data
   * Sinks: use
   *    GoodSink: Initialize then use data
   *    BadSink : Use data
   * Flow Variant: 16 Control flow: while(1)
   *
   * */
  
  #include "std_testcase.h"
  
  #ifndef OMITBAD
  
  void CWE457_Use_of_Uninitialized_Variable__double_array_alloca_partial_init_16_bad()
  {
      double * data;
      data = (double *)ALLOCA(10*sizeof(double));
      while(1)
      {
          /* POTENTIAL FLAW: Partially initialize data */
          {
              int i;
              for(i=0; i<(10/2); i++)
              {
                  data[i] = (double)i;
              }
          }
          break;
      }
      while(1)
      {
          /* POTENTIAL FLAW: Use data without initializing it */
          {
              int i;
              for(i=0; i<10; i++)
              {
                  printDoubleLine(data[i]);
              }
          }
          break;
      }
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodB2G() - use badsource and goodsink by changing the sinks in the second while statement */
  static void goodB2G()
  {
      double * data;
      data = (double *)ALLOCA(10*sizeof(double));
      while(1)
      {
          /* POTENTIAL FLAW: Partially initialize data */
          {
              int i;
              for(i=0; i<(10/2); i++)
              {
                  data[i] = (double)i;
              }
          }
          break;
      }
      while(1)
      {
          /* FIX: Ensure data is initialized before use */
          {
              int i;
              for(i=0; i<10; i++)
              {
                  data[i] = (double)i;
              }
          }
          {
              int i;
              for(i=0; i<10; i++)
              {
                  printDoubleLine(data[i]);
              }
          }
          break;
      }
  }
  
  /* goodG2B() - use goodsource and badsink by changing the sources in the first while statement */
  static void goodG2B()
  {
      double * data;
      data = (double *)ALLOCA(10*sizeof(double));
      while(1)
      {
          /* FIX: Completely initialize data */
          {
              int i;
              for(i=0; i<10; i++)
              {
                  data[i] = (double)i;
              }
          }
          break;
      }
      while(1)
      {
          /* POTENTIAL FLAW: Use data without initializing it */
          {
              int i;
              for(i=0; i<10; i++)
              {
                  printDoubleLine(data[i]);
              }
          }
          break;
      }
  }
  
  void CWE457_Use_of_Uninitialized_Variable__double_array_alloca_partial_init_16_good()
  {
      goodB2G();
      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()...");
      CWE457_Use_of_Uninitialized_Variable__double_array_alloca_partial_init_16_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE457_Use_of_Uninitialized_Variable__double_array_alloca_partial_init_16_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  