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

   1 /* $Id: testback.c,v 1.4 2002/11/23 20:40:22 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 **, char *, int, char **, int);
  37 static char *loop_init(void *, void **, char *, int, char **, int);
  38 static int null_send(void *, char *, int);
  39 static int loop_send(void *, char *, int);
  40 static int null_sendbuffer(void *);
  41 static void null_size(void *, int, int);
  42 static void null_special(void *, Telnet_Special);
  43 static Socket null_socket(void *);
  44 static int null_exitcode(void *);
  45 static int null_sendok(void *);
  46 static int null_ldisc(void *, int);
  47 static void null_provide_ldisc(void *, void *);
  48 static void null_provide_logctx(void *, void *);
  49 static void null_unthrottle(void *, int);
  50
  51 Backend null_backend = {
  52     null_init, null_send, null_sendbuffer, null_size, null_special,
  53     null_socket, null_exitcode, null_sendok, null_ldisc, null_provide_ldisc,
  54     null_provide_logctx, null_unthrottle, 0
  55 };
  56
  57 Backend loop_backend = {
  58     loop_init, loop_send, null_sendbuffer, null_size, null_special,
  59     null_socket, null_exitcode, null_sendok, null_ldisc, null_provide_ldisc,
  60     null_provide_logctx, null_unthrottle, 0
  61 };
  62
  63 struct loop_state {
  64     Terminal *term;
  65 };
  66
  67 static char *null_init(void *frontend_handle, void **backend_handle,
  68                        char *host, int port, char **realhost, int nodelay) {
  69
  70     return NULL;
  71 }
  72
  73 static char *loop_init(void *frontend_handle, void **backend_handle,
  74                        char *host, int port, char **realhost, int nodelay) {
  75     struct loop_state *st = smalloc(sizeof(*st));
  76
  77     st->term = frontend_handle;
  78     *backend_handle = st;
  79     return NULL;
  80 }
  81
  82 static int null_send(void *handle, char *buf, int len) {
  83
  84     return 0;
  85 }
  86
  87 static int loop_send(void *handle, char *buf, int len) {
  88     struct loop_state *st = handle;
  89
  90     return from_backend(st->term, 0, buf, len);
  91 }
  92
  93 static int null_sendbuffer(void *handle) {
  94
  95     return 0;
  96 }
  97
  98 static void null_size(void *handle, int width, int height) {
  99
 100 }
 101
 102 static void null_special(void *handle, Telnet_Special code) {
 103
 104 }
 105
 106 static Socket null_socket(void *handle) {
 107
 108     return NULL;
 109 }
 110
 111 static int null_exitcode(void *handle) {
 112
 113     return 0;
 114 }
 115
 116 static int null_sendok(void *handle) {
 117
 118     return 1;
 119 }
 120
 121 static void null_unthrottle(void *handle, int backlog) {
 122
 123 }
 124
 125 static int null_ldisc(void *handle, int option) {
 126
 127     return 0;
 128 }
 129
 130 static void null_provide_ldisc (void *handle, void *ldisc) {
 131
 132 }
 133
 134 static void null_provide_logctx(void *handle, void *logctx) {
 135
 136 }
 137
 138 /*
 139  * Emacs magic:
 140  * Local Variables:
 141  * c-file-style: "simon"
 142  * End:
 143  */