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-rw-r--r--cmd-rename-session.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/cmd-rename-session.c b/cmd-rename-session.c
index 7e1b06c1..23fcd7f2 100644
--- a/cmd-rename-session.c
+++ b/cmd-rename-session.c
@@ -1,4 +1,4 @@
-/* $Id: cmd-rename-session.c,v 1.19 2009-11-14 17:56:39 tcunha Exp $ */
+/* $Id: cmd-rename-session.c,v 1.20 2010-08-11 22:19:03 tcunha Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -45,6 +45,11 @@ cmd_rename_session_exec(struct cmd *self, struct cmd_ctx *ctx)
struct cmd_target_data *data = self->data;
struct session *s;
+ if (data->arg != NULL && session_find(data->arg) != NULL) {
+ ctx->error(ctx, "duplicate session: %s", data->arg);
+ return (-1);
+ }
+
if ((s = cmd_find_session(ctx, data->target)) == NULL)
return (-1);