From bb0eb686fcbb39619e2ca11819435ff5c8d92113 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sun, 3 Apr 2005 13:12:53 +0000
Subject: [PATCH] (main): Fix off-by-one error. pr -$(perl -e 'print "0"x63 .
 1') would write one byte beyond the end of a malloc'd buffer.

---
 src/pr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pr.c b/src/pr.c
index c5f5f28e61..886448b8c1 100644
--- a/src/pr.c
+++ b/src/pr.c
@@ -892,7 +892,7 @@ main (int argc, char **argv)
       if (ISDIGIT (c))
 	{
 	  /* Accumulate column-count digits specified via old-style options. */
-	  if (n_digits == n_alloc)
+	  if (n_digits + 1 >= n_alloc)
 	    column_count_string
 	      = x2nrealloc (column_count_string, &n_alloc,
 			    sizeof *column_count_string);
-- 
2.47.3