has-session command.

1 files changed, 51 insertions, 0 deletions

diff --git a/cmd-has-session.c b/cmd-has-session.c
new file mode 100644
index 00000000..3369ccc4
--- /dev/null
+++ b/cmd-has-session.c
@@ -0,0 +1,51 @@
+/* $Id: cmd-has-session.c,v 1.1 2007-10-25 17:44:24 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 <string.h>
+
+#include "tmux.h"
+
+/*
+ * Cause client to exit with 0 if session exists, or 1 if it doesn't. This
+ * is handled in the caller since this doesn't have flag CMD_NOSESSION, so
+ * all that is necessary is to exit.
+ */
+
+void	cmd_has_session_exec(void *, struct cmd_ctx *);
+
+const struct cmd_entry cmd_has_session_entry = {
+	"has-session", "has", "",
+	0,
+	NULL,
+	cmd_has_session_exec,
+	NULL,
+	NULL,
+	NULL
+};
+
+void
+cmd_has_session_exec(unused void *ptr, struct cmd_ctx *ctx)
+{
+	struct client	*c = ctx->client;
+	
+	if (!(ctx->flags & CMD_KEY))
+		server_write_client(c, MSG_EXIT, NULL, 0);
+}