OpenEuphoria

Re: odbc wrapper

• Posted by Mario Steele <eumario at trilake.net> May 10, 2005
• 441 views

George Walters wrote:
> 
> 
> Matt, I think there is a bug in function getData. I was losing a character
> in a data field(a very long data field) about every 256 chars. The data field
> was an invoice text field that was a page or 2 of characters. I changed this 
> line below (removed the "-1" and the character loss went away. Could you check
> what I did(a shot in the dark) and make sure it was a correct change. I am
> not at all sure of what I did.
> 
> }}}
<eucode>
>                     -- have to call repeatedly, since data was too big for the
>                     -- buffer
>                     while len > mylen do
>                         data[row][i] &= peek( { ptr1, mylen }
>                         )--<<<<<<<<<<<<<<<<<<< removed the -1 which was mylen-1
>                         ok = c_func( SQLGetData, { hs, i, SQL_C_DEFAULT,
>                             ptr1, mylen, ptr2 } )
>                         len = peek4s( ptr2 )
> 
>                     end while
> </eucode>
{{{

> 

That is more then correct.  I think Matt was attempting to account for the
0 byte terminator, that comes from most C Style strings.  But in doing so,
He forgot that ODBC doesn't account for the 0 Byte terminator, when it returns
the length of the String in memory.


Mario Steele
http://enchantedblade.trilake.net
Attaining World Dominiation, one byte at a time...