[Bug libc/5070] glibc-2.5: ../sysdeps/unix/sysv/linux/check_pf.c:68: make_request: Assertion fails

["thunter at erggroup dot com" <sourceware-bugzilla at sourceware dot org>]

------- Additional Comments From thunter at erggroup dot com  2007-10-02 05:45 -------
ARM is one of the architectures supported by glibc. You may not like it, but it 
is a fact.

Independently of the architecture, the padding done is not valid. You can't 
(and shouldn't) make any assumption about the alignment and associated padding 
done by the compiler for any architecture. GCC is free to change the alignment 
rules in any future versions. It seems rather silly to have the assert() which 
is meant to verify at runtime that your invalid assumption holds true.

I would also suggest that you don't use structures to format packets for 
networking. Packets for networking should be treated as byte streams to avoid 
any alignment/padding/byte-order issues. A standard way of doing this is 
something like this:

unsigned char buf[MaxPacketSize];
unsigned char *bp;
int skt;
size_t len;

...
bp = buf;
*bp++ = ...;
*bp++ = ...;
*bp++ = ...;
...
len = send(skt, buf, bp - buf, 0);
...


-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|WONTFIX                     |


http://sourceware.org/bugzilla/show_bug.cgi?id=5070

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