From: Jim Meyering <jim@meyering.net>
Date: Sat, 10 May 2003 13:30:26 +0000 (+0000)
Subject: (main): Test for the case of no arguments before computing n_files.
X-Git-Tag: v5.0.1~556
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=09196004812cdc0ac6aa2329e314a7e7bf6d6256;p=thirdparty%2Fcoreutils.git

(main): Test for the case of no arguments before computing n_files.
---

diff --git a/src/tail.c b/src/tail.c
index e69470c240..c91b8d83fd 100644
--- a/src/tail.c
+++ b/src/tail.c
@@ -1624,10 +1624,13 @@ main (int argc, char **argv)
 	--n_units;
     }
 
-  n_files = argc - optind;
-  file = argv + optind;
 
-  if (n_files == 0)
+  if (optind < argc)
+    {
+      n_files = argc - optind;
+      file = argv + optind;
+    }
+  else
     {
       static char *dummy_stdin = "-";
       n_files = 1;