FreeTDS Development Group

[Frediano Ziglio <freddyz77 AT tin.it>]

Il gio, 2003-01-02 alle 19:22, Steven Reynolds ha scritto:
> I found the following issue in
> src/odbc/prepare_query.c
> 
> local> diff -c prepare_query.c prepare_query.c.cvs
> *** prepare_query.c     Thu Jan  2 12:13:05 2003
> --- prepare_query.c.cvs Sat Dec 28 13:50:58 2002
> ***************
> *** 52,58 ****
>         case SQL_BINARY:
>         case SQL_VARBINARY:
>         case SQL_BIT:
> !                 len = *(SQLINTEGER *)(param->param_lenbind);
>                 break;
>         case SQL_DATE:
>                 len = 15;
> --- 52,58 ----
>         case SQL_BINARY:
>         case SQL_VARBINARY:
>         case SQL_BIT:
> !               len = *param->param_lenbind;
>                 break;
>         case SQL_DATE:
>                 len = 15;
> 
> This was causing the calculated space for the prepared arguments
> to be zero and resulting in heap corruption
> (param_lenbind is a char*). Could someone with
> cvs access please make the change to the cvs source?
> 

Fixed, I redeclared param_lenbind as SQLINTEGER* and did some cleanup

freddy77