A couple of useful test backends.

[originally from svn r2228]

testback.c

@@ -0,0 +1,142 @@
+/* $Id: testback.c,v 1.2 2002/11/19 12:29:45 ben Exp $ */
+/*
+ * Copyright (c) 1999 Simon Tatham
+ * Copyright (c) 1999 Ben Harris
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ * 
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/* PuTTY test backends */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "putty.h"
+
+static char *null_init(void *, void **, char *, int, char **, int);
+static char *loop_init(void *, void **, char *, int, char **, int);
+static int null_send(void *, char *, int);
+static int loop_send(void *, char *, int);
+static int null_sendbuffer(void *);
+static void null_size(void *, int, int);
+static void null_special(void *, Telnet_Special);
+static Socket null_socket(void *);
+static int null_exitcode(void *);
+static int null_sendok(void *);
+static int null_ldisc(void *, int);
+static void null_provide_ldisc(void *, void *);
+static void null_provide_logctx(void *, void *);
+static void null_unthrottle(void *, int);
+
+Backend null_backend = {
+    null_init, null_send, null_sendbuffer, null_size, null_special,
+    null_socket, null_exitcode, null_sendok, null_ldisc, null_provide_ldisc,
+    null_provide_logctx, null_unthrottle, 0
+};
+
+Backend loop_backend = {
+    loop_init, loop_send, null_sendbuffer, null_size, null_special,
+    null_socket, null_exitcode, null_sendok, null_ldisc, null_provide_ldisc,
+    null_provide_logctx, null_unthrottle, 0
+};
+
+struct loop_state {
+    Terminal *term;
+};
+
+static char *null_init(void *frontend_handle, void **backend_handle,
+		       char *host, int port, char **realhost, int nodelay) {
+
+    return NULL;
+}
+
+static char *loop_init(void *frontend_handle, void **backend_handle,
+		       char *host, int port, char **realhost, int nodelay) {
+    struct loop_state *st = smalloc(sizeof(*st));
+
+    st->term = frontend_handle;
+    return (char *)st;
+}
+
+static int null_send(void *handle, char *buf, int len) {
+
+    return 0;
+}
+
+static int loop_send(void *handle, char *buf, int len) {
+    struct loop_state *st = handle;
+
+    return from_backend(st->term, 0, buf, len);
+}
+
+static int null_sendbuffer(void *handle) {
+
+    return 0;
+}
+
+static void null_size(void *handle, int width, int height) {
+
+}
+
+static void null_special(void *handle, Telnet_Special code) {
+
+}
+
+static Socket null_socket(void *handle) {
+
+    return NULL;
+}
+
+static int null_exitcode(void *handle) {
+
+    return 0;
+}
+
+static int null_sendok(void *handle) {
+
+    return 1;
+}
+
+static void null_unthrottle(void *handle, int backlog) {
+
+}
+
+static int null_ldisc(void *handle, int option) {
+
+    return 0;
+}
+
+static void null_provide_ldisc (void *handle, void *ldisc) {
+
+}
+
+static void null_provide_logctx(void *handle, void *logctx) {
+
+}
+
+/*
+ * Emacs magic:
+ * Local Variables:
+ * c-file-style: "simon"
+ * End:
+ */