On Mon, 2002-06-17 at 15:10, Halil Demirezen wrote:
> what about changing the code adding the following in the resent lines
>
>
> On 17 Jun 2002, Murgan wrote:
>
> > Please look at the snippet and tell why it is not giving the
> > correct ip address in dotted decimal. my system is not multihomed
> > as ifconfig gives only one inet address for the eth0( the only
> > interface except lo).
> >
> > #include<stdio.h>
> > #include<sys/utsname.h>
> > #include<malloc.h>
> > #include<netdb.h>
> > #include<sys/socket.h>
> >
> > int main(){
> struct sockaddr_in sin;
> > struct utsname *name;
> > int i;
> > struct hostent *hnt;
> > name = (struct utsname *)malloc(sizeof(struct utsname));
> > hnt = (struct hostent *)malloc(sizeof(struct hostent));
In any case, you're leaking a hostent structure here.
> > i= uname(name);
> > hnt = gethostbyname(name->nodename);
> > if(i>=0){
> bcopy(hnt->h_addr, (char *)&sin.sin_addr, hnt->h_length);
> printf("Network address:\t%s\n",inet_ntoa(sin.sin_addr.s_addr));
> }
> > return;
> > }
Cheers,
Christian.
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