FreeTDS Development Group

[tetherow AT nol.org]

On 17 Mar, Craig Spannring wrote:
> Peter Haworth writes:
>  > Craig Spannring wrote:
>  > > Peter Haworth writes:
>  >
>  > and here's the stack trace:
>  > 
>  > #0  0xef524b8c in AllocMemory_real (ptr=0xb4864, size=6, 
>  >     filename=0xef52cce8 "dbdimp.c", lineno=376) at tdslayer.c:253
>  > Source file is more recent than executable.
> 
> 
> I'm suspecting alignment problems more and more.  I'm still in the
> process of getting Sparc-Solaris account somewhere.  In the meantime
> I'm going to go through the code and make it more longword alignment
> friendly.
> 
> BTW-  Could you tell me what the following little program does on a
> SPARC machine?  Compile it with the same compiler flags that get used
> with the DBD driver.
> 
> 
> #include <stdio.h>
> 
> main(int argc, char **argv)
> {
>    char  buf[] = "abcdefghijklmnopqrstuvwxyz";
>    void *ptr   = (char*)buf + atoi(argv[1]);
>    long  i     = 0x30313233;
>    
>    *(long*)ptr = i;
> 
>    printf("%s\n", buf);
> }
> 
>         
> 
> Run it four times, the first time with a argument of 0, second time
> with an argument of 1, ...


It does just as you expect.  It works for any x where x%4==0 and bus
errors on every other occurance.

Replied to the list so that you didn't get a half a dozen of these (or
atleast a half a dozen more :)

-- 
------------------------------------------------------------------------
Sam Tetherow                           tetherow AT nol.org
Director of Development
Nebrask@ Online                        http://www.nol.org/