From 459b44b03db5155b66cbc683bcaa87821029ba17 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sun, 26 Nov 2000 21:35:53 +0000
Subject: [PATCH] (skip): Perform the `records < blocksize' test at the top of
 the loop, not at the bottom.

---
 src/dd.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/src/dd.c b/src/dd.c
index b6b3a5897..4bcd2d1d3 100644
--- a/src/dd.c
+++ b/src/dd.c
@@ -805,6 +805,9 @@ skip (int fdesc, char *file, int count_bytes, uintmax_t records,
 	{
 	  int nread;
 
+	  if (count_bytes && records < blocksize)
+	    blocksize = records;
+
 	  nread = safe_read (fdesc, buf, blocksize);
 	  if (nread < 0)
 	    {
@@ -817,14 +820,7 @@ skip (int fdesc, char *file, int count_bytes, uintmax_t records,
 	  if (nread == 0)
 	    break;
 
-	  if (count_bytes)
-	    {
-	      records -= nread;
-	      if (records < blocksize)
-		blocksize = records;
-	    }
-	  else
-	    records--;
+	  records -= (count_bytes ? nread : 1);
 	}
     }
 }
-- 
2.34.1