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

   1 /* $Id: testback.c,v 1.5 2003/01/12 16:11:27 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_reconfig(void *, Config *);
  39 static int null_send(void *, char *, int);
  40 static int loop_send(void *, char *, int);
  41 static int null_sendbuffer(void *);
  42 static void null_size(void *, int, int);
  43 static void null_special(void *, Telnet_Special);
  44 static Socket null_socket(void *);
  45 static int null_exitcode(void *);
  46 static int null_sendok(void *);
  47 static int null_ldisc(void *, int);
  48 static void null_provide_ldisc(void *, void *);
  49 static void null_provide_logctx(void *, void *);
  50 static void null_unthrottle(void *, int);
  51
  52 Backend null_backend = {
  53     null_init, null_reconfig, null_send, null_sendbuffer, null_size,
  54     null_special, null_socket, null_exitcode, null_sendok, null_ldisc,
  55     null_provide_ldisc, null_provide_logctx, null_unthrottle, 0
  56 };
  57
  58 Backend loop_backend = {
  59     loop_init, null_reconfig, loop_send, null_sendbuffer, null_size,
  60     null_special, null_socket, null_exitcode, null_sendok, null_ldisc,
  61     null_provide_ldisc, null_provide_logctx, null_unthrottle, 0
  62 };
  63
  64 struct loop_state {
  65     Terminal *term;
  66 };
  67
  68 static char *null_init(void *frontend_handle, void **backend_handle,
  69                        Config *cfg, char *host, int port, char **realhost,
  70                        int nodelay) {
  71
  72     return NULL;
  73 }
  74
  75 static char *loop_init(void *frontend_handle, void **backend_handle,
  76                        Config *cfg, char *host, int port, char **realhost,
  77                        int nodelay) {
  78     struct loop_state *st = smalloc(sizeof(*st));
  79
  80     st->term = frontend_handle;
  81     *backend_handle = st;
  82     return NULL;
  83 }
  84
  85 static void null_reconfig(void *handle, Config *cfg) {
  86
  87 }
  88
  89 static int null_send(void *handle, char *buf, int len) {
  90
  91     return 0;
  92 }
  93
  94 static int loop_send(void *handle, char *buf, int len) {
  95     struct loop_state *st = handle;
  96
  97     return from_backend(st->term, 0, buf, len);
  98 }
  99
 100 static int null_sendbuffer(void *handle) {
 101
 102     return 0;
 103 }
 104
 105 static void null_size(void *handle, int width, int height) {
 106
 107 }
 108
 109 static void null_special(void *handle, Telnet_Special code) {
 110
 111 }
 112
 113 static Socket null_socket(void *handle) {
 114
 115     return NULL;
 116 }
 117
 118 static int null_exitcode(void *handle) {
 119
 120     return 0;
 121 }
 122
 123 static int null_sendok(void *handle) {
 124
 125     return 1;
 126 }
 127
 128 static void null_unthrottle(void *handle, int backlog) {
 129
 130 }
 131
 132 static int null_ldisc(void *handle, int option) {
 133
 134     return 0;
 135 }
 136
 137 static void null_provide_ldisc (void *handle, void *ldisc) {
 138
 139 }
 140
 141 static void null_provide_logctx(void *handle, void *logctx) {
 142
 143 }
 144
 145 /*
 146  * Emacs magic:
 147  * Local Variables:
 148  * c-file-style: "simon"
 149  * End:
 150  */