From 087fd30e8315fd1d01a08f6386af809bb9573f52 Mon Sep 17 00:00:00 2001
From: Dennis Boone <drb@msu.edu>
Date: Sun, 12 Apr 2020 12:56:24 -0400
Subject: [PATCH] Make sure stderr is still unbuffered after the reopen.  This
 is likely unnecessary, but belt.  Suspenders.

---
 em.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/em.c b/em.c
index 1c4b8eb..5605e01 100644
--- a/em.c
+++ b/em.c
@@ -4410,6 +4410,7 @@ int main (int argc, char **argv) {
       printf("Open returned %d redirecting stderr\n", templ);
     exit(1);
   }
+  setvbuf(stderr, NULL, _IONBF, 0);
 
   /* initialize global variables */