From 2c55adc3448bb0d1a3556df98ab1e16588fe10b8 Mon Sep 17 00:00:00 2001
From: Theo Buehler <tb@openbsd.org>
Date: Fri, 24 Apr 2020 06:28:52 +0200
Subject: [PATCH] Fix signed char issue on unsigned char systems

There is an if (c < 0) check a few lines below which is always
false for systems that use the unsigned version of char. This
is allowed by the C standard and common on powerpc and arm
platforms.
---
 linenoise.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/linenoise.c b/linenoise.c
index cfe51e76..bc5f0c93 100644
--- a/linenoise.c
+++ b/linenoise.c
@@ -819,7 +819,7 @@ static int linenoiseEdit(int stdin_fd, int stdout_fd, char *buf, size_t buflen,
 
     if (write(l.ofd,prompt,l.plen) == -1) return -1;
     while(1) {
-        char c;
+        signed char c;
         int nread;
         char seq[3];