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1 | /* $Id$ */ |
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2 | /* |
3 | * Copyright (c) 1999 Simon Tatham |
4 | * Copyright (c) 1999 Ben Harris |
5 | * All rights reserved. |
6 | * |
7 | * Permission is hereby granted, free of charge, to any person |
8 | * obtaining a copy of this software and associated documentation |
9 | * files (the "Software"), to deal in the Software without |
10 | * restriction, including without limitation the rights to use, |
11 | * copy, modify, merge, publish, distribute, sublicense, and/or |
12 | * sell copies of the Software, and to permit persons to whom the |
13 | * Software is furnished to do so, subject to the following |
14 | * conditions: |
15 | * |
16 | * The above copyright notice and this permission notice shall be |
17 | * included in all copies or substantial portions of the Software. |
18 | * |
19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
20 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
22 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR |
23 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF |
24 | * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
25 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
26 | * SOFTWARE. |
27 | */ |
28 | |
29 | /* PuTTY test backends */ |
30 | |
31 | #include <stdio.h> |
32 | #include <stdlib.h> |
33 | |
34 | #include "putty.h" |
35 | |
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36 | static const char *null_init(void *, void **, Config *, char *, int, char **, |
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37 | int, int); |
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38 | static const char *loop_init(void *, void **, Config *, char *, int, char **, |
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39 | int, int); |
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40 | static void null_free(void *); |
41 | static void loop_free(void *); |
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42 | static void null_reconfig(void *, Config *); |
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43 | static int null_send(void *, char *, int); |
44 | static int loop_send(void *, char *, int); |
45 | static int null_sendbuffer(void *); |
46 | static void null_size(void *, int, int); |
47 | static void null_special(void *, Telnet_Special); |
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48 | static const struct telnet_special *null_get_specials(void *handle); |
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49 | static Socket null_socket(void *); |
50 | static int null_exitcode(void *); |
51 | static int null_sendok(void *); |
52 | static int null_ldisc(void *, int); |
53 | static void null_provide_ldisc(void *, void *); |
54 | static void null_provide_logctx(void *, void *); |
55 | static void null_unthrottle(void *, int); |
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56 | static int null_cfg_info(void *); |
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57 | |
58 | Backend null_backend = { |
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59 | null_init, null_free, null_reconfig, null_send, null_sendbuffer, null_size, |
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60 | null_special, null_get_specials, null_socket, null_exitcode, null_sendok, |
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61 | null_ldisc, null_provide_ldisc, null_provide_logctx, null_unthrottle, |
62 | null_cfg_info, 0 |
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63 | }; |
64 | |
65 | Backend loop_backend = { |
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66 | loop_init, loop_free, null_reconfig, loop_send, null_sendbuffer, null_size, |
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67 | null_special, null_get_specials, null_socket, null_exitcode, null_sendok, |
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68 | null_ldisc, null_provide_ldisc, null_provide_logctx, null_unthrottle, |
69 | null_cfg_info, 0 |
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70 | }; |
71 | |
72 | struct loop_state { |
73 | Terminal *term; |
74 | }; |
75 | |
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76 | static const char *null_init(void *frontend_handle, void **backend_handle, |
77 | Config *cfg, char *host, int port, |
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78 | char **realhost, int nodelay, int keepalive) { |
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79 | |
80 | return NULL; |
81 | } |
82 | |
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83 | static const char *loop_init(void *frontend_handle, void **backend_handle, |
84 | Config *cfg, char *host, int port, |
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85 | char **realhost, int nodelay, int keepalive) { |
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86 | struct loop_state *st = snew(struct loop_state); |
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87 | |
88 | st->term = frontend_handle; |
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89 | *backend_handle = st; |
90 | return NULL; |
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91 | } |
92 | |
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93 | static void null_free(void *handle) |
94 | { |
95 | |
96 | } |
97 | |
98 | static void loop_free(void *handle) |
99 | { |
100 | |
101 | sfree(handle); |
102 | } |
103 | |
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104 | static void null_reconfig(void *handle, Config *cfg) { |
105 | |
106 | } |
107 | |
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108 | static int null_send(void *handle, char *buf, int len) { |
109 | |
110 | return 0; |
111 | } |
112 | |
113 | static int loop_send(void *handle, char *buf, int len) { |
114 | struct loop_state *st = handle; |
115 | |
116 | return from_backend(st->term, 0, buf, len); |
117 | } |
118 | |
119 | static int null_sendbuffer(void *handle) { |
120 | |
121 | return 0; |
122 | } |
123 | |
124 | static void null_size(void *handle, int width, int height) { |
125 | |
126 | } |
127 | |
128 | static void null_special(void *handle, Telnet_Special code) { |
129 | |
130 | } |
131 | |
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132 | static const struct telnet_special *null_get_specials (void *handle) { |
133 | |
134 | return NULL; |
135 | } |
136 | |
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137 | static Socket null_socket(void *handle) { |
138 | |
139 | return NULL; |
140 | } |
141 | |
142 | static int null_exitcode(void *handle) { |
143 | |
144 | return 0; |
145 | } |
146 | |
147 | static int null_sendok(void *handle) { |
148 | |
149 | return 1; |
150 | } |
151 | |
152 | static void null_unthrottle(void *handle, int backlog) { |
153 | |
154 | } |
155 | |
156 | static int null_ldisc(void *handle, int option) { |
157 | |
158 | return 0; |
159 | } |
160 | |
161 | static void null_provide_ldisc (void *handle, void *ldisc) { |
162 | |
163 | } |
164 | |
165 | static void null_provide_logctx(void *handle, void *logctx) { |
166 | |
167 | } |
168 | |
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169 | static int null_cfg_info(void *handle) |
170 | { |
171 | return 0; |
172 | } |
173 | |
174 | |
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175 | /* |
176 | * Emacs magic: |
177 | * Local Variables: |
178 | * c-file-style: "simon" |
179 | * End: |
180 | */ |