rohc team mailing list archive

[Harpreet Singh <harpreeta@xxxxxxxxxxxxx>]

Hi Didier,

I tried and there were no warnings and result was same as you said.

first 2 bytes = 0x0100
> > >  last 2 bytes = 0x0302
> Regards,
Harpreet
On Thu, 2009-11-26 at 10:19 +0100, Didier Barvaux wrote:
> Hi,
> 
> > There was no attachment.
> 
> Sorry. Here it is.
> 
> Didier
> 
> 
> > On Wed, 2009-11-25 at 10:35 +0100, Didier Barvaux wrote:
> > > Hi,
> > > 
> > > > The code I replaced it with is given below.
> > > > 	/* read the IP-ID field */
> > > >         {
> > > >          uint16_t temp = 0;
> > > >          temp = packet[0];
> > > >          temp <<= 8;
> > > >          temp |= packet[1];   
> > > > 	//ipv4_set_id(ip, *((uint16_t *) packet));
> > > > 	ipv4_set_id(ip, temp);
> > > > 	rohc_debugf(3, "IP-ID = 0x%04x\n",
> > > > ntohs(ipv4_get_id(*ip))); packet += 2;
> > > > 	read += 2;
> > > >         }
> > > > from below given function "d_decode_dynamic_ip4".
> > > 
> > > Thank you. Could you please compile and run the attached test
> > > program to check if the uint16_t cast is the root of your problem ?
> > > You may follow these steps :
> > >  $ gcc -g -Wall -Werror -c -o test_uint16t_cast.o
> > > test_uint16t_cast.c $ gcc test_uint16t_cast.o -o test_uint16t_cast 
> > >  $ ./test_uint16t_cast
> > >  first 2 bytes = 0x0100
> > >  last 2 bytes = 0x0302
> > > 
> > > Please report me any GCC warning. The result given by the test
> > > program may differ from the one I get on x86 depending on the
> > > endianness of your microcontroller.
> > > 
> > > 
> > > > I have not used gdb yet on uclinux.
> > > > 
> > > > can you send some instructions as you said?
> > > > It will be helpful.
> > > 
> > > I do not know how to install gdb on uclinux if it is not done yet.
> > > Use the documentation provided by the manufacturer.
> > > 
> > > Once gdb is setup on your platform, you may follow these
> > > instructions : $ gdb ./test_program [optional_arguments]
> > >  (gdb) run
> > >  <gdb reports crash here>
> > >  (gdb) bt
> > > 
> > > Do not forget to build you test program with "-g" so that debug
> > > information is included in the binary.
> > > 
> > > Didier Barvaux
> > > Viveris Technologies
> > > 
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> > 
> > 


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