RE: [Iaxclient-devel] solved struct hell.

[Darren S. <da...@st...>]

Hi Faizan et al

There are still errors it seems :-(

In libiax2/iax-client.h:

typedef int PASCAL (*sendto_t)(SOCKET, const char *, int, int, const struct
sockaddr *, int);

Doesn't seem to work at all, if I remove the PASCAL (google says PASCAL ==
__stdcall?) it compiles however WinIAX crashes badly, yet no matter what
combination I try, will it accept it :-)

In iax.c 'struct iax_session *iax_session_new(void)':

S->sendto = sendto causes:
	error C2152: '=' : pointers to functions with different attributes

If I typecast it with (sendto_t) it compiles?

Lastly, but I don't think it matters too much (except from a performance
point of view?):

Libiax2/winpoop.h:

	inline doesn't seem to want to work, either as __inline or inline.

Any thoughts you have would be appreciated.

Regards

Darren ']data[' Smith.

> -----Original Message-----
> From: iax...@li... 
> [mailto:iax...@li...] On 
> Behalf Of Faizan Naqvi
> Sent: 23 November 2003 07:52
> To: iax...@li...
> Subject: [Iaxclient-devel] solved struct hell.
> 
> Hi.
> Well it looks like Release version wont work for a while. So 
> here is the solution with some C theory.
> If I am repeating someone's else thoughts than sorry for that.
> /////////////////MY CODE////////////////// #ifdef _MSC_VER  
> unsigned buffer[4096];
>         struct {
>                 struct iax_frame fr2;
>         } buf;
> #else
>   struct {
>    struct iax_frame fr2;
>    unsigned char buffer[4096];             /* Buffer -- must 
> preceed fr2 */
>         } buf;
> #endif
>  struct iax_frame *fr;
>  int res;
>  int sendmini=0;
>  unsigned int lastsent;
>  unsigned int fts;
> 
> #ifdef _MSC_VER
>  buffer[0]=0;
> #else
>  /* Shut up GCC */
>  buf.buffer[0] = 0;
> #endif
> /////////////////////////////////////////END OF MY 
> CODE.//////////////////////////////
> 
> The member afdata of iax_frame is zero sized. The struct hell 
> origianly was declaerd like this ////////////////code in 
> iax_send///////// struct hell {
>     struct iax_frame*fr2;
>     unsigned char buffer[4096];
> } buf;
> ////////////////end code///////
> This allocated 4K after afdata so when afdata is filled it 
> goes into buffer but is able to accessed by afdata.
> MSVC doesnt allow this. Putting it buffer before fr2 compiles 
> fine but gives no space for data to be copied in afdata.
> So, remebering that stack is in reverse declaring buffer just 
> before struct hell gives afdata 4K like this.
> //////////////modified iax_send code./////////// unsigned 
> char buffer[4096]; struct hell {
>     struct iax_frame*fr2;
> } buf;
> //////////////end code///////////////////////
> 
> I hope this solevs the proble,
> Somebody get the Release version working.
> thank you.
> 
> 
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