зеркало из https://github.com/github/putty.git
83 строки
1.6 KiB
C
83 строки
1.6 KiB
C
/*
|
|
* 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;
|
|
void *privptr;
|
|
};
|
|
|
|
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 void sk_error_set_private_ptr(Socket s, void *ptr)
|
|
{
|
|
Error_Socket ps = (Error_Socket) s;
|
|
ps->privptr = ptr;
|
|
}
|
|
|
|
static void *sk_error_get_private_ptr(Socket s)
|
|
{
|
|
Error_Socket ps = (Error_Socket) s;
|
|
return ps->privptr;
|
|
}
|
|
|
|
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 */,
|
|
sk_error_set_private_ptr,
|
|
sk_error_get_private_ptr,
|
|
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;
|
|
}
|