Re: Debug app works, Release doesn't

[Robert Moynihan]

Chris Tutty wrote:
From: "Robert Moynihan" <[EMAIL PROTECTED]>
 

(char*) s = CtlGetLabel(GetObjectPtr(ReadyButton));
... that might get rid of your error message, but might not solve the 
problem that you are asking about.

   

How on earth is this going to make any difference?  Aside from 
the questionable approach of trying to eliminate a warning rather 
than fix the underlying problem, how would casting a variable
defined as char * to char * change anything.
 

Actually, I did make a mistake.  I meant to write (Char*) instead of 
(char*).  The docs say the prototype is...
const Char *CtlGetLabel(const ControlType *controlP)
... so I gave a try casting it exactly as the prototype and it 
eliminated the error message.

I didn't know WHY it worked, so, not understanding all the mysteries of 
compilers, I then went on to see if I could figure out what was 
happening.  I originally thought that Char* and char* were the same, and 
the ONLY thing that I changed between the 6 trials was the case of the 
'c' in the declaration and cast:

All 4 of these give the warning message:
   char        *s;
   s=CtlGetLabel(GetObjectPointer(DBTypeTriggerID));
   Char        *s;
   s=CtlGetLabel(GetObjectPointer(DBTypeTriggerID));
   char        *s;
   (char*) s=CtlGetLabel(GetObjectPointer(DBTypeTriggerID));
   Char        *s;
   (Char*) s=CtlGetLabel(GetObjectPointer(DBTypeTriggerID));
These 2 don't:
   char        *s;
   (Char*) s=CtlGetLabel(GetObjectPointer(DBTypeTriggerID));
   Char        *s;
   (char*) s=CtlGetLabel(GetObjectPointer(DBTypeTriggerID));
This all feels very odd to me.  I wish I understood it better.
Bob.
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