From 8a755a3d27ab8b94585a7aeb1a8fb45dfe820599 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Fri, 18 Jan 2002 23:39:37 +0000
Subject: (parse_obsolescent_option): Issue a warning for obsolete usage,
 unless POSIXLY_CORRECT.

---
 src/tail.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/tail.c b/src/tail.c
index d00a89d6d..2131c1d4b 100644
--- a/src/tail.c
+++ b/src/tail.c
@@ -1381,10 +1381,10 @@ parse_obsolescent_option (int argc, const char *const *argv,
 
   if (!*fail)
     {
+      bool posix_pedantic = (getenv ("POSIXLY_CORRECT") != NULL);
+
       if (argc > 3)
 	{
-	  int posix_pedantic = (getenv ("POSIXLY_CORRECT") != NULL);
-
 	  /* When POSIXLY_CORRECT is set, enforce the `at most one
 	     file argument' requirement.  */
 	  if (posix_pedantic)
@@ -1405,6 +1405,11 @@ option instead."), argv[1]);
 #endif
 	}
 
+      if (! posix_pedantic)
+	error (0, 0,
+	       _("warning: `tail %s' is obsolete; use -n or -c instead"),
+	       argv[1]);
+
       /* Set globals.  */
       from_start = t_from_start;
       count_lines = t_count_lines;
-- 
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