From 9824112cfa187648b200b16dda1884ff54f64e52 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Mon, 11 Jul 2005 18:21:54 +0000
Subject: [PATCH] (cksum): Avoid setmode; use POSIX-specified routines instead.

---
 src/cksum.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/cksum.c b/src/cksum.c
index 0499379ccd..0dce68ccad 100644
--- a/src/cksum.c
+++ b/src/cksum.c
@@ -199,10 +199,12 @@ cksum (const char *file, bool print_name)
     {
       fp = stdin;
       have_read_stdin = true;
+      if (O_BINARY && ! isatty (STDIN_FILENO))
+	freopen (NULL, "rb", stdin);
     }
   else
     {
-      fp = fopen (file, "r");
+      fp = fopen (file, (O_BINARY ? "rb" : "r"));
       if (fp == NULL)
 	{
 	  error (0, errno, "%s", file);
@@ -210,9 +212,6 @@ cksum (const char *file, bool print_name)
 	}
     }
 
-  /* Read input in BINARY mode, unless it is a console device.  */
-  SET_BINARY (fileno (fp));
-
   while ((bytes_read = fread (buf, 1, BUFLEN, fp)) > 0)
     {
       unsigned char *cp = buf;
-- 
2.47.3