From dc1520b4978f746559ff906b901c12442b7f5466 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Fri, 22 May 1998 17:18:11 +0000
Subject: [PATCH] (_IO_str_underflow): Read newly available character from
 buffer as unsigned.

---
 libio/strops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libio/strops.c b/libio/strops.c
index ed55c8e836d..98e854b67cb 100644
--- a/libio/strops.c
+++ b/libio/strops.c
@@ -182,7 +182,7 @@ DEFUN(_IO_str_underflow, (fp),
       fp->_IO_write_ptr = fp->_IO_write_end;
     }
   if (fp->_IO_read_ptr < fp->_IO_read_end)
-    return *fp->_IO_read_ptr;
+    return *((unsigned char *) fp->_IO_read_ptr);
   else
     return EOF;
 }
-- 
2.47.2