Window attachment, malloc debugging, fix a segfault with no sessions.

cmd-attach-session.c

@@ -0,0 +1,59 @@
+/* $Id: cmd-attach-session.c,v 1.1 2007-10-04 11:52:03 nicm Exp $ */
+
+/*
+ * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+
+#include <getopt.h>
+
+#include "tmux.h"
+
+/*
+ * Attach existing session to the current terminal.
+ */
+
+void	cmd_attach_session_exec(void *, struct cmd_ctx *);
+
+const struct cmd_entry cmd_attach_session_entry = {
+	CMD_ATTACHSESSION, "attach-session", "attach", 0,
+	NULL,
+	NULL,
+	cmd_attach_session_exec, 
+	NULL,
+	NULL,
+	NULL
+};
+
+void
+cmd_attach_session_exec(unused void *ptr, struct cmd_ctx *ctx)
+{
+	struct client	*c = ctx->client;
+	struct session	*s = ctx->session;
+
+	if (ctx->flags & CMD_KEY)
+		return;
+
+	if (!(c->flags & CLIENT_TERMINAL)) {
+		ctx->error(ctx, "not a terminal");
+		return;
+	}
+	
+	c->session = s;
+
+	server_write_client(c, MSG_READY, NULL, 0);
+	server_redraw_client(c);
+}