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Date: Sat, 20 May 2006 22:47:39 -0700
From: Maxim Sobolev <sobomax@FreeBSD.ORG>
To: David Xu <davidxu@FreeBSD.ORG>
Message-ID: <20060521054739.GA82826@gk.360sip.com>
References: <200605211204.10259.davidxu@freebsd.org>
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Cc: current@FreeBSD.ORG
Subject: Re: couldn't bind to local address
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You forgot to bzero(3) addr. This is a common mistake - obviously
it has nothing to do with AMD64.

-Maxim

On Sun, May 21, 2006 at 12:04:10PM +0800, David Xu wrote:
> It is very weired that on AMD64, bind() can not bind to local address,
> the following code prints out "bind(): Can't assign requested address".
> 
> David Xu
> ---
> 
> 
> include <netinet/in.h>
> #include <sys/socket.h>
> #include <stdio.h>
> 
> int main()
> {
> 	struct sockaddr_in addr;
> 	int s;
> 
> 	s = socket(AF_INET, SOCK_STREAM, 0);
> 	if (s == -1) {
> 		perror("socket()");
> 		return (1);
> 	}
> 
> 	addr.sin_family = AF_INET;
> 	addr.sin_port = htons(9000);
> 	addr.sin_addr.s_addr = inet_addr("127.0.0.1");
> 
> 	if (bind(s, (struct sockaddr *)&addr, sizeof(addr))) {
> 		perror("bind()");
> 		return (2);
> 	}
> 
> 	close(s);
> 	return (0);
> }
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