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

   1 /* $Id: testback.c,v 1.6 2003/01/15 23:30:21 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 char *null_init(void *, void **, Config *, char *, int, char **, int);
  37 static char *loop_init(void *, void **, Config *, char *, int, char **, int);
  38 static void null_free(void *);
  39 static void loop_free(void *);
  40 static void null_reconfig(void *, Config *);
  41 static int null_send(void *, char *, int);
  42 static int loop_send(void *, char *, int);
  43 static int null_sendbuffer(void *);
  44 static void null_size(void *, int, int);
  45 static void null_special(void *, Telnet_Special);
  46 static Socket null_socket(void *);
  47 static int null_exitcode(void *);
  48 static int null_sendok(void *);
  49 static int null_ldisc(void *, int);
  50 static void null_provide_ldisc(void *, void *);
  51 static void null_provide_logctx(void *, void *);
  52 static void null_unthrottle(void *, int);
  53
  54 Backend null_backend = {
  55     null_init, null_free, null_reconfig, null_send, null_sendbuffer, null_size,
  56     null_special, null_socket, null_exitcode, null_sendok, null_ldisc,
  57     null_provide_ldisc, null_provide_logctx, null_unthrottle, 0
  58 };
  59
  60 Backend loop_backend = {
  61     loop_init, loop_free, null_reconfig, loop_send, null_sendbuffer, null_size,
  62     null_special, null_socket, null_exitcode, null_sendok, null_ldisc,
  63     null_provide_ldisc, null_provide_logctx, null_unthrottle, 0
  64 };
  65
  66 struct loop_state {
  67     Terminal *term;
  68 };
  69
  70 static char *null_init(void *frontend_handle, void **backend_handle,
  71                        Config *cfg, char *host, int port, char **realhost,
  72                        int nodelay) {
  73
  74     return NULL;
  75 }
  76
  77 static char *loop_init(void *frontend_handle, void **backend_handle,
  78                        Config *cfg, char *host, int port, char **realhost,
  79                        int nodelay) {
  80     struct loop_state *st = smalloc(sizeof(*st));
  81
  82     st->term = frontend_handle;
  83     *backend_handle = st;
  84     return NULL;
  85 }
  86
  87 static void null_free(void *handle)
  88 {
  89
  90 }
  91
  92 static void loop_free(void *handle)
  93 {
  94
  95     sfree(handle);
  96 }
  97
  98 static void null_reconfig(void *handle, Config *cfg) {
  99
 100 }
 101
 102 static int null_send(void *handle, char *buf, int len) {
 103
 104     return 0;
 105 }
 106
 107 static int loop_send(void *handle, char *buf, int len) {
 108     struct loop_state *st = handle;
 109
 110     return from_backend(st->term, 0, buf, len);
 111 }
 112
 113 static int null_sendbuffer(void *handle) {
 114
 115     return 0;
 116 }
 117
 118 static void null_size(void *handle, int width, int height) {
 119
 120 }
 121
 122 static void null_special(void *handle, Telnet_Special code) {
 123
 124 }
 125
 126 static Socket null_socket(void *handle) {
 127
 128     return NULL;
 129 }
 130
 131 static int null_exitcode(void *handle) {
 132
 133     return 0;
 134 }
 135
 136 static int null_sendok(void *handle) {
 137
 138     return 1;
 139 }
 140
 141 static void null_unthrottle(void *handle, int backlog) {
 142
 143 }
 144
 145 static int null_ldisc(void *handle, int option) {
 146
 147     return 0;
 148 }
 149
 150 static void null_provide_ldisc (void *handle, void *ldisc) {
 151
 152 }
 153
 154 static void null_provide_logctx(void *handle, void *logctx) {
 155
 156 }
 157
 158 /*
 159  * Emacs magic:
 160  * Local Variables:
 161  * c-file-style: "simon"
 162  * End:
 163  */