From c533299242d3d0a0e67649ac7c4f7d22b9931b7c Mon Sep 17 00:00:00 2001
From: "Michael D. Lowis" <mike@mdlowis.com>
Date: Wed, 30 Oct 2019 22:36:34 -0400
Subject: [PATCH] added check if telemetry file is a fifo

---
 src/lib/argv0.c | 2 +-
 src/lib/telem.c | 9 +++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/lib/argv0.c b/src/lib/argv0.c
index 9adafa9..1b4ebb6 100644
--- a/src/lib/argv0.c
+++ b/src/lib/argv0.c
@@ -1 +1 @@
-char* ARGV0 = NULL;
\ No newline at end of file
+char* ARGV0 = NULL;
diff --git a/src/lib/telem.c b/src/lib/telem.c
index bfb96dc..ee9dc94 100644
--- a/src/lib/telem.c
+++ b/src/lib/telem.c
@@ -1,6 +1,7 @@
 #include <stdc.h>
 #include <time.h>
 #include <sys/types.h>
+#include <sys/stat.h>
 #include <pwd.h>
 #include <io.h>
 
@@ -13,8 +14,12 @@ static int open_telem(char* path)
     unsigned long curr = time(NULL);
     if ((TelemFd < 0) && ((curr - prev) >= 1))
     {
-        TelemFd = open(path, O_WRONLY|O_NONBLOCK, 0);
-        prev = curr;
+        struct stat st = {0};
+        if ((stat(path, &st) >= 0) && S_ISFIFO(st.st_mode))
+        {
+            TelemFd = open(path, O_WRONLY|O_NONBLOCK, 0);
+            prev = curr;
+        }
     }
     return TelemFd;
 }
-- 
2.51.0