text: /* TEMPLATE GENERATED TESTCASE FILE
  Filename: CWE191_Integer_Underflow__int_fixed_09.c
  Label Definition File: CWE191_Integer_Underflow__int.label.xml
  Template File: sources-sinks-09.tmpl.c
  */
  /*
   * @description
   * CWE: 191 Integer Underflow
   * BadSource: fixed Fixed value
   * GoodSource: Greater than INT_MIN
   * Sinks:
   *    GoodSink: Ensure there is no underflow before performing the subtraction
   *    BadSink : Subtract 1 from data
   * Flow Variant: 09 Control flow: if(global_const_t) and if(global_const_f)
   *
   * */
  
  #include "std_testcase.h"
  
  #ifndef OMITBAD
  
  void CWE191_Integer_Underflow__int_fixed_09_bad()
  {
      int data;
      /* Initialize data */
      data = -1;
      if(global_const_t)
      {
          /* FLAW: Use the minimum size of the data type */
          data = INT_MIN;
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          /* FIX: Use a small value greater than the min value for this data type */
          data = 5;
      }
      if(global_const_t)
      {
          {
              /* POTENTIAL FLAW: Subtracting 1 from data could cause an integer underflow */
              int result = data - 1;
              printIntLine(result);
          }
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          {
              int result = 0;
              /* FIX: Add a check to prevent an underflow from occurring */
              if (data > INT_MIN)
              {
                  result = data - 1;
                  printIntLine(result);
              }
              else
              {
                  printLine("Input value is too small to perform arithmetic safely.");
              }
          }
      }
  }
  
  #endif /* OMITBAD */
  
  #ifndef OMITGOOD
  
  /* goodB2G1() - use badsource and goodsink by changing the second global_const_t to global_const_f */
  static void goodB2G1()
  {
      int data;
      /* Initialize data */
      data = -1;
      if(global_const_t)
      {
          /* FLAW: Use the minimum size of the data type */
          data = INT_MIN;
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          /* FIX: Use a small value greater than the min value for this data type */
          data = 5;
      }
      if(global_const_f)
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          {
              /* POTENTIAL FLAW: Subtracting 1 from data could cause an integer underflow */
              int result = data - 1;
              printIntLine(result);
          }
      }
      else
      {
          {
              int result = 0;
              /* FIX: Add a check to prevent an underflow from occurring */
              if (data > INT_MIN)
              {
                  result = data - 1;
                  printIntLine(result);
              }
              else
              {
                  printLine("Input value is too small to perform arithmetic safely.");
              }
          }
      }
  }
  
  /* goodB2G2() - use badsource and goodsink by reversing the blocks in the second if */
  static void goodB2G2()
  {
      int data;
      /* Initialize data */
      data = -1;
      if(global_const_t)
      {
          /* FLAW: Use the minimum size of the data type */
          data = INT_MIN;
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          /* FIX: Use a small value greater than the min value for this data type */
          data = 5;
      }
      if(global_const_t)
      {
          {
              int result = 0;
              /* FIX: Add a check to prevent an underflow from occurring */
              if (data > INT_MIN)
              {
                  result = data - 1;
                  printIntLine(result);
              }
              else
              {
                  printLine("Input value is too small to perform arithmetic safely.");
              }
          }
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          {
              /* POTENTIAL FLAW: Subtracting 1 from data could cause an integer underflow */
              int result = data - 1;
              printIntLine(result);
          }
      }
  }
  
  /* goodG2B1() - use goodsource and badsink by changing the first global_const_t to global_const_f */
  static void goodG2B1()
  {
      int data;
      /* Initialize data */
      data = -1;
      if(global_const_f)
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          /* FLAW: Use the minimum size of the data type */
          data = INT_MIN;
      }
      else
      {
          /* FIX: Use a small value greater than the min value for this data type */
          data = 5;
      }
      if(global_const_t)
      {
          {
              /* POTENTIAL FLAW: Subtracting 1 from data could cause an integer underflow */
              int result = data - 1;
              printIntLine(result);
          }
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          {
              int result = 0;
              /* FIX: Add a check to prevent an underflow from occurring */
              if (data > INT_MIN)
              {
                  result = data - 1;
                  printIntLine(result);
              }
              else
              {
                  printLine("Input value is too small to perform arithmetic safely.");
              }
          }
      }
  }
  
  /* goodG2B2() - use goodsource and badsink by reversing the blocks in the first if */
  static void goodG2B2()
  {
      int data;
      /* Initialize data */
      data = -1;
      if(global_const_t)
      {
          /* FIX: Use a small value greater than the min value for this data type */
          data = 5;
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          /* FLAW: Use the minimum size of the data type */
          data = INT_MIN;
      }
      if(global_const_t)
      {
          {
              /* POTENTIAL FLAW: Subtracting 1 from data could cause an integer underflow */
              int result = data - 1;
              printIntLine(result);
          }
      }
      else
      {
          /* INCIDENTAL: CWE 561 Dead Code, the code below will never run */
          {
              int result = 0;
              /* FIX: Add a check to prevent an underflow from occurring */
              if (data > INT_MIN)
              {
                  result = data - 1;
                  printIntLine(result);
              }
              else
              {
                  printLine("Input value is too small to perform arithmetic safely.");
              }
          }
      }
  }
  
  void CWE191_Integer_Underflow__int_fixed_09_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()...");
      CWE191_Integer_Underflow__int_fixed_09_good();
      printLine("Finished good()");
  #endif /* OMITGOOD */
  #ifndef OMITBAD
      printLine("Calling bad()...");
      CWE191_Integer_Underflow__int_fixed_09_bad();
      printLine("Finished bad()");
  #endif /* OMITBAD */
      return 0;
  }
  
  #endif
  