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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); |
56 | |
57 | Backend null_backend = { |
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58 | null_init, null_free, null_reconfig, null_send, null_sendbuffer, null_size, |
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59 | null_special, null_get_specials, null_socket, null_exitcode, null_sendok, |
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60 | null_ldisc, null_provide_ldisc, null_provide_logctx, null_unthrottle, |
61 | null_cfg_info, 0 |
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62 | }; |
63 | |
64 | Backend loop_backend = { |
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65 | loop_init, loop_free, null_reconfig, loop_send, null_sendbuffer, null_size, |
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66 | null_special, null_get_specials, null_socket, null_exitcode, null_sendok, |
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67 | null_ldisc, null_provide_ldisc, null_provide_logctx, null_unthrottle, |
68 | null_cfg_info, 0 |
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69 | }; |
70 | |
71 | struct loop_state { |
72 | Terminal *term; |
73 | }; |
74 | |
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75 | static const char *null_init(void *frontend_handle, void **backend_handle, |
76 | Config *cfg, char *host, int port, |
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77 | char **realhost, int nodelay, int keepalive) { |
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78 | |
79 | return NULL; |
80 | } |
81 | |
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82 | static const char *loop_init(void *frontend_handle, void **backend_handle, |
83 | Config *cfg, char *host, int port, |
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84 | char **realhost, int nodelay, int keepalive) { |
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85 | struct loop_state *st = snew(struct loop_state); |
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86 | |
87 | st->term = frontend_handle; |
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88 | *backend_handle = st; |
89 | return NULL; |
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90 | } |
91 | |
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92 | static void null_free(void *handle) |
93 | { |
94 | |
95 | } |
96 | |
97 | static void loop_free(void *handle) |
98 | { |
99 | |
100 | sfree(handle); |
101 | } |
102 | |
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103 | static void null_reconfig(void *handle, Config *cfg) { |
104 | |
105 | } |
106 | |
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107 | static int null_send(void *handle, char *buf, int len) { |
108 | |
109 | return 0; |
110 | } |
111 | |
112 | static int loop_send(void *handle, char *buf, int len) { |
113 | struct loop_state *st = handle; |
114 | |
115 | return from_backend(st->term, 0, buf, len); |
116 | } |
117 | |
118 | static int null_sendbuffer(void *handle) { |
119 | |
120 | return 0; |
121 | } |
122 | |
123 | static void null_size(void *handle, int width, int height) { |
124 | |
125 | } |
126 | |
127 | static void null_special(void *handle, Telnet_Special code) { |
128 | |
129 | } |
130 | |
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131 | static const struct telnet_special *null_get_specials (void *handle) { |
132 | |
133 | return NULL; |
134 | } |
135 | |
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136 | static Socket null_socket(void *handle) { |
137 | |
138 | return NULL; |
139 | } |
140 | |
141 | static int null_exitcode(void *handle) { |
142 | |
143 | return 0; |
144 | } |
145 | |
146 | static int null_sendok(void *handle) { |
147 | |
148 | return 1; |
149 | } |
150 | |
151 | static void null_unthrottle(void *handle, int backlog) { |
152 | |
153 | } |
154 | |
155 | static int null_ldisc(void *handle, int option) { |
156 | |
157 | return 0; |
158 | } |
159 | |
160 | static void null_provide_ldisc (void *handle, void *ldisc) { |
161 | |
162 | } |
163 | |
164 | static void null_provide_logctx(void *handle, void *logctx) { |
165 | |
166 | } |
167 | |
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168 | static int null_cfg_info(void *handle) |
169 | { |
170 | return 0; |
171 | } |
172 | |
173 | |
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174 | /* |
175 | * Emacs magic: |
176 | * Local Variables: |
177 | * c-file-style: "simon" |
178 | * End: |
179 | */ |