Re: Dynmically retrieving only objects with real values?

On 10/01/07, Wilson, Dave <[email protected]> wrote:
> Thanks Dave, but
>
> "
>> Use exactly the same test as above:
>>
>>      case STATSVALUE:
>>          if ( strlen(tempPTR->Name) == 0 ) return NULL;      <====
>>          long_ret = tempPTR->Value;
>>          return (unsigned char *) &long_ret; "
>
> tempPTR->Name is not a string, it's an integer.

Eh?
I took that from your original code fragment (STATSNAME)
where you were definitely using it as a string.

I'd assumed that 'tempPTR' was a pointer to the data structure
holding one row of the table.  Something of the form:

   struct  myRow {
       int   Index;
       char*  Name;
       int       Value;
   }

So before returning the (integer) 'tempPTR->Value',
you'd check that the (string) 'tempPTR->Name' is valid.

If that's not how the data is structured, then you'll need to
give a bit more detail before we can offer sensible advice.

Dave

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