git.distorted.org.uk Git - u/mdw/putty/blob - testback.c

   1 /* $Id: testback.c,v 1.9 2003/05/10 11:57:55 ben Exp $ */
   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
  36 static const char *null_init(void *, void **, Config *, char *, int, char **,
  37                              int);
  38 static const char *loop_init(void *, void **, Config *, char *, int, char **,
  39                              int);
  40 static void null_free(void *);
  41 static void loop_free(void *);
  42 static void null_reconfig(void *, Config *);
  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);
  48 static const struct telnet_special *null_get_specials(void *handle);
  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 = {
  58     null_init, null_free, null_reconfig, null_send, null_sendbuffer, null_size,
  59     null_special, null_get_specials, null_socket, null_exitcode, null_sendok,
  60     null_ldisc, null_provide_ldisc, null_provide_logctx, null_unthrottle, 0
  61 };
  62
  63 Backend loop_backend = {
  64     loop_init, loop_free, null_reconfig, loop_send, null_sendbuffer, null_size,
  65     null_special, null_get_specials, null_socket, null_exitcode, null_sendok,
  66     null_ldisc, null_provide_ldisc, null_provide_logctx, null_unthrottle, 0
  67 };
  68
  69 struct loop_state {
  70     Terminal *term;
  71 };
  72
  73 static const char *null_init(void *frontend_handle, void **backend_handle,
  74                              Config *cfg, char *host, int port,
  75                              char **realhost, int nodelay) {
  76
  77     return NULL;
  78 }
  79
  80 static const char *loop_init(void *frontend_handle, void **backend_handle,
  81                              Config *cfg, char *host, int port,
  82                              char **realhost, int nodelay) {
  83     struct loop_state *st = snew(struct loop_state);
  84
  85     st->term = frontend_handle;
  86     *backend_handle = st;
  87     return NULL;
  88 }
  89
  90 static void null_free(void *handle)
  91 {
  92
  93 }
  94
  95 static void loop_free(void *handle)
  96 {
  97
  98     sfree(handle);
  99 }
 100
 101 static void null_reconfig(void *handle, Config *cfg) {
 102
 103 }
 104
 105 static int null_send(void *handle, char *buf, int len) {
 106
 107     return 0;
 108 }
 109
 110 static int loop_send(void *handle, char *buf, int len) {
 111     struct loop_state *st = handle;
 112
 113     return from_backend(st->term, 0, buf, len);
 114 }
 115
 116 static int null_sendbuffer(void *handle) {
 117
 118     return 0;
 119 }
 120
 121 static void null_size(void *handle, int width, int height) {
 122
 123 }
 124
 125 static void null_special(void *handle, Telnet_Special code) {
 126
 127 }
 128
 129 static const struct telnet_special *null_get_specials (void *handle) {
 130
 131     return NULL;
 132 }
 133
 134 static Socket null_socket(void *handle) {
 135
 136     return NULL;
 137 }
 138
 139 static int null_exitcode(void *handle) {
 140
 141     return 0;
 142 }
 143
 144 static int null_sendok(void *handle) {
 145
 146     return 1;
 147 }
 148
 149 static void null_unthrottle(void *handle, int backlog) {
 150
 151 }
 152
 153 static int null_ldisc(void *handle, int option) {
 154
 155     return 0;
 156 }
 157
 158 static void null_provide_ldisc (void *handle, void *ldisc) {
 159
 160 }
 161
 162 static void null_provide_logctx(void *handle, void *logctx) {
 163
 164 }
 165
 166 /*
 167  * Emacs magic:
 168  * Local Variables:
 169  * c-file-style: "simon"
 170  * End:
 171  */