From 1b5571e2688ff84a5ea8f342c50b79b890ddb0d7 Mon Sep 17 00:00:00 2001
From: Nicholas Sherlock <n.sherlock@gmail.com>
Date: Wed, 18 Mar 2015 13:32:27 +1300
Subject: [PATCH] Ignore trailing spaces on CLI commands

---
 src/main/io/serial_cli.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/main/io/serial_cli.c b/src/main/io/serial_cli.c
index 00f70e5a01..4cb67ce8e7 100644
--- a/src/main/io/serial_cli.c
+++ b/src/main/io/serial_cli.c
@@ -1667,6 +1667,12 @@ void cliProcess()
             clicmd_t *cmd = NULL;
             clicmd_t target;
             cliPrint("\r\n");
+
+            // Strip trailing whitespace
+            while (bufferIndex > 0 && cliBuffer[bufferIndex - 1] == ' ') {
+                bufferIndex--;
+            }
+
             cliBuffer[bufferIndex] = 0; // null terminate
 
             if (cliBuffer[0] != '#') {
@@ -1695,8 +1701,8 @@ void cliProcess()
                 cliPrint("\010 \010");
             }
         } else if (bufferIndex < sizeof(cliBuffer) && c >= 32 && c <= 126) {
-            if (!bufferIndex && c == 32)
-                continue;
+            if (!bufferIndex && c == ' ')
+                continue; // Ignore leading spaces
             cliBuffer[bufferIndex++] = c;
             cliWrite(c);
         }