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/*
* A dummy Socket implementation which just holds an error message.
*/
#include <stdio.h>
#include <assert.h>
#define DEFINE_PLUG_METHOD_MACROS
#include "tree234.h"
#include "putty.h"
#include "network.h"
typedef struct Socket_error_tag *Error_Socket;
struct Socket_error_tag {
const struct socket_function_table *fn;
/* the above variable absolutely *must* be the first in this structure */
char *error;
Plug plug;
};
static Plug sk_error_plug(Socket s, Plug p)
{
Error_Socket ps = (Error_Socket) s;
Plug ret = ps->plug;
if (p)
ps->plug = p;
return ret;
}
static void sk_error_close(Socket s)
{
Error_Socket ps = (Error_Socket) s;
sfree(ps->error);
sfree(ps);
}
static const char *sk_error_socket_error(Socket s)
{
Error_Socket ps = (Error_Socket) s;
return ps->error;
}
Socket new_error_socket(const char *errmsg, Plug plug)
{
static const struct socket_function_table socket_fn_table = {
sk_error_plug,
sk_error_close,
NULL /* write */,
NULL /* write_oob */,
NULL /* write_eof */,
NULL /* flush */,
NULL /* set_frozen */,
sk_error_socket_error
};
Error_Socket ret;
ret = snew(struct Socket_error_tag);
ret->fn = &socket_fn_table;
ret->plug = plug;
ret->error = dupstr(errmsg);
return (Socket) ret;
}
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