split --line-bytes=N (-C N): don't create an empty file.

* src/split.c (line_bytes_split): Don't create an empty line
afterwards if the last buffer happens to be exactly full.
* tests/misc/split-fail: Add a test case for this.
* NEWS: mention this.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/split.c b/src/split.c
index 2fc6ecfcf..207cc13b3 100644
--- a/src/split.c
+++ b/src/split.c
@@ -336,7 +336,11 @@ line_bytes_split (size_t n_bytes)
 
       n_buffered += n_read;
       if (n_buffered != n_bytes)
-	eof = true;
+	{
+	  if (n_buffered == 0)
+	    break;
+	  eof = true;
+	}
 
       /* Find where to end this chunk.  */
       bp = buf + n_buffered;