Allow read callback to not return any data

1 files changed, 2 insertions, 0 deletions

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
     {