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[DDL-ML] Patch f. dtcltiny

Falls man den hostname falsch schrieb (schon mal loclhost probiert?
:-) gabs core. gethostbyname() return value check!

Harald.

*** MainWindow.cpp.orig Sun Dec 10 16:31:06 2000
--- MainWindow.cpp      Wed Jan 10 14:54:19 2001
***************
*** 66,72 ****
     struct sockaddr_in  socketAddr;
  
     bzero( &socketAddr, sizeof( socketAddr ) );
!    ServerHost = gethostbyname( cHostName );
  
     socketAddr.sin_family = ServerHost->h_addrtype;
     memcpy( &socketAddr.sin_addr, ServerHost->h_addr_list[0],
--- 66,76 ----
     struct sockaddr_in  socketAddr;
  
     bzero( &socketAddr, sizeof( socketAddr ) );
!    if ((ServerHost = gethostbyname( cHostName )) == NULL)
!    {
!       fprintf(stderr, "gethostbyname() says host not found\n" );
!       exit( 255 );
!    }
  
     socketAddr.sin_family = ServerHost->h_addrtype;
     memcpy( &socketAddr.sin_addr, ServerHost->h_addr_list[0],