66 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <net/netlib.h>
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#include <net/gen/in.h>
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#include <net/gen/tcp.h>
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#include <net/gen/tcp_io.h>
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#include <net/gen/udp.h>
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#include <net/gen/udp_io.h>
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#define DEBUG 0
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static int _tcp_accept(int socket, struct sockaddr *_RESTRICT address,
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	socklen_t *_RESTRICT address_len);
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int accept(int socket, struct sockaddr *_RESTRICT address,
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	socklen_t *_RESTRICT address_len)
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{
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	int r;
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	r= _tcp_accept(socket, address, address_len);
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	return r;
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#if DEBUG
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	fprintf(stderr, "accept: not implemented for fd %d\n", socket);
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#endif
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	errno= ENOSYS;
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	return -1;
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}
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static int _tcp_accept(int socket, struct sockaddr *_RESTRICT address,
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	socklen_t *_RESTRICT address_len)
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{
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	int r, s1, t_errno;
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	tcp_cookie_t cookie;
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	s1= open(TCP_DEVICE, O_RDWR);
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	if (s1 == -1)
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		return s1;
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	r= ioctl(s1, NWIOGTCPCOOKIE, &cookie);
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	if (r == -1)
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	{
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		t_errno= errno;
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		close(s1);
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		errno= t_errno;
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		return -1;
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	}
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	r= ioctl(socket, NWIOTCPACCEPTTO, &cookie);
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	if (r == -1)
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	{
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		t_errno= errno;
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		close(s1);
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		errno= t_errno;
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		return -1;
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	}
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	if (address != NULL)
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		getpeername(s1, address, address_len);
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	return s1;
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}
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