From 68c9b3183491638492f1029c553160e11cd69f64 Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering@redhat.com>
Date: Mon, 31 Aug 2009 17:01:26 +0200
Subject: maint: tail: remove unnecessary initialization

* src/tail.c (tail_bytes): Don't compute "diff" twice.
---
 src/tail.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tail.c b/src/tail.c
index ceda5b6cd..f0dbf5d5e 100644
--- a/src/tail.c
+++ b/src/tail.c
@@ -1437,7 +1437,7 @@ tail_bytes (const char *pretty_filename, int fd, uintmax_t n_bytes,
           off_t diff = end_pos - current_pos;
           /* Be careful here.  The current position may actually be
              beyond the end of the file.  */
-          off_t bytes_remaining = (diff = end_pos - current_pos) < 0 ? 0 : diff;
+          off_t bytes_remaining = diff < 0 ? 0 : diff;
           off_t nb = n_bytes;
 
           if (bytes_remaining <= nb)
-- 
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