From 6befd57bc11f4433bc43614c70453a127cf785f3 Mon Sep 17 00:00:00 2001
From: TT <edy555@gmail.com>
Date: Sun, 8 Mar 2020 19:37:26 +0900
Subject: [PATCH] fix: segv in sample command

---
 main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.c b/main.c
index 2593545..c6c5a96 100644
--- a/main.c
+++ b/main.c
@@ -699,7 +699,7 @@ VNA_SHELL_FUNCTION(cmd_sample)
   if (argc!=1) goto usage;
   //                                         0    1   2
   static const char cmd_sample_list[] = "gamma|ampl|ref";
-  switch (getStringIndex(argv[1], cmd_sample_list)){
+  switch (getStringIndex(argv[0], cmd_sample_list)){
     case 0:sample_func = calculate_gamma; return;
     case 1:sample_func = fetch_amplitude; return;
     case 2:sample_func = fetch_amplitude_ref; return;