lclint-interest message 69

From dea@gandalf.us.cis.philips.com Tue Apr 16 15:16:13 1996
Date: Tue, 16 Apr 1996 12:52:15 -0400
From: dea@gandalf.us.cis.philips.com (Debra Aubrey)
To: lclint-interest@larch.lcs.mit.edu
Subject: Questions about LCLint 2.0
Cc: evans@cs.virginia.edu
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Hi,

I have a couple of questions.

Here is one code snippet:

    ptr = (procid *) buffer;
    if (ptr->_state != PS_DEAD)
    {
      return (SUCCESS);
    }

Here is the LCLint message:

    cp_childcheck.c:125,7: Field ptr->_state used before definition

What is LCLint trying to tell me?  I have set up the pointer, so
I don't understand why I am getting the error from LCLint?

Along the same lines is this snippet:

    switch (whichProcess)
    {
      case CP_CONFIG:
        procPtr = &CP_Config;
        break;

      case CP_DISPLAY:
        procPtr = &CP_Display;
        break;

      case CP_EBS:
        procPtr = &CP_Ebs;
        break;
        
      default:
        break;
    }

    if (procPtr->procID == CP_DEAD)
    {
      return ((error_code)FAILURE);
    }

And here is the LCLint message:

    cp_childcheck.c:111,7: Variable procPtr used before definition
    An rvalue is used that may not be initialized to a value on some execution
    path. Use -usedef to suppress message.

Again, procPtr has been initialized as a pointer in the switch statement.
I don't understand why LCLint is complaining that it has not been
initialized?

Thanks in advance,
Debbie.