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C6295

Visual Studio 2012

warning C6295: Ill-defined for-loop: <variable> values are of the range "min" to "max". Loop executed indefinitely

This warning indicates that a for-loop might not function as intended. The for-loop tests an unsigned value against zero (0) with >=. The result is always true, therefore the loop is infinite.

The following code generates this warning:

Copy 
void f( )
{
  for (unsigned int i = 100; i >= 0; i--) 
  {
    // code ...
  }
}

To correct this warning, use the following code:

Copy 
void f( )
{
   for (unsigned int i = 100; i > 0; i--)
   {
      // code ...
   }
}
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