source: filezilla/trunk/fuentes/src/putty/errsock.c @ 130

Last change on this file since 130 was 130, checked in by jrpelegrina, 4 years ago

First release to xenial

File size: 1.4 KB
Line 
1/*
2 * A dummy Socket implementation which just holds an error message.
3 */
4
5#include <stdio.h>
6#include <assert.h>
7
8#define DEFINE_PLUG_METHOD_MACROS
9#include "tree234.h"
10#include "putty.h"
11#include "network.h"
12
13typedef struct Socket_error_tag *Error_Socket;
14
15struct Socket_error_tag {
16    const struct socket_function_table *fn;
17    /* the above variable absolutely *must* be the first in this structure */
18
19    char *error;
20    Plug plug;
21};
22
23static Plug sk_error_plug(Socket s, Plug p)
24{
25    Error_Socket ps = (Error_Socket) s;
26    Plug ret = ps->plug;
27    if (p)
28        ps->plug = p;
29    return ret;
30}
31
32static void sk_error_close(Socket s)
33{
34    Error_Socket ps = (Error_Socket) s;
35
36    sfree(ps->error);
37    sfree(ps);
38}
39
40static const char *sk_error_socket_error(Socket s)
41{
42    Error_Socket ps = (Error_Socket) s;
43    return ps->error;
44}
45
46static char *sk_error_peer_info(Socket s)
47{
48    return NULL;
49}
50
51Socket new_error_socket(const char *errmsg, Plug plug)
52{
53    static const struct socket_function_table socket_fn_table = {
54        sk_error_plug,
55        sk_error_close,
56        NULL /* write */,
57        NULL /* write_oob */,
58        NULL /* write_eof */,
59        NULL /* flush */,
60        NULL /* set_frozen */,
61        sk_error_socket_error,
62        sk_error_peer_info,
63    };
64
65    Error_Socket ret;
66
67    ret = snew(struct Socket_error_tag);
68    ret->fn = &socket_fn_table;
69    ret->plug = plug;
70    ret->error = dupstr(errmsg);
71
72    return (Socket) ret;
73}
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