From a3b1830874f703f1cf8c546ab3143b3c50aec76f Mon Sep 17 00:00:00 2001
From: Fredrik Thulin <fredrik@thulin.net>
Date: Thu, 2 Jun 2016 11:02:31 +0200
Subject: Allow read callback to not return any data

---
 libcli.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libcli.c b/libcli.c
index 730a8ab..8f08cee 100644
--- a/libcli.c
+++ b/libcli.c
@@ -1030,6 +1030,8 @@ int cli_loop_read_next_char(struct cli_def *cli, struct cli_loop_ctx *ctx, unsig
 	    ctx->l = -1;
 	    return CLI_LOOP_CTRL_BREAK;
 	}
+	if (n == 0)
+	    return CLI_LOOP_CTRL_CONTINUE;
     }
     else
     {
-- 
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