From: Jim Meyering <jim@meyering.net>
Date: Wed, 21 May 2003 09:29:50 +0000 (+0000)
Subject: (elide_tail_lines_pipe): Fix a thinko.
X-Git-Tag: v5.0.1~454
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=dadd6992a2618eaacff505d56dc73c6215071fdd;p=thirdparty%2Fcoreutils.git

(elide_tail_lines_pipe): Fix a thinko.
This sort of thing is why it'd be *Really Good* to factor
out the common code used here and in tail.c.
---

diff --git a/src/head.c b/src/head.c
index 1497a712a9..7d58aefa94 100644
--- a/src/head.c
+++ b/src/head.c
@@ -555,8 +555,9 @@ elide_tail_lines_pipe (const char *filename, int fd, uintmax_t n_elide)
       goto free_lbuffers;
     }
 
-  /* Count the incomplete line on files that don't end with a newline.  */
-  if (last->buffer[last->nbytes - 1] != '\n')
+  /* If we read any bytes at all, count the incomplete line
+     on files that don't end with a newline.  */
+  if (last->nbytes && last->buffer[last->nbytes - 1] != '\n')
     {
       ++last->nlines;
       ++total_lines;