From d89cab871231a82c0783ce520d692f08a32f2da6 Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Tue, 8 Feb 2022 01:16:48 +0100
Subject: tests: Fix undefined behaviour.

* tests/test2.c (main): Cast bytes to unsigned before shifting left.
---
 tests/test2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'tests')

diff --git a/tests/test2.c b/tests/test2.c
index c1c08cc..ecd3d18 100644
--- a/tests/test2.c
+++ b/tests/test2.c
@@ -45,7 +45,7 @@ main (int argc, char *argv[])
       char *p = buf;
       while (fread (p, 2, 1, stdin) == 1)
         {
-          if ((p[0] << 8) + p[1] == '\n')
+          if (((unsigned char) p[0] << 8) + (unsigned char) p[1] == '\n')
             break;
           p += 2;
         }
-- 
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