(parse_obsolete_option): Don't complain about -NUM.

diff --git a/src/tail.c b/src/tail.c
index 38b57ff58af995399bb4d3b8a35b58536bb75a3a..2a8c6eb0765aa1fddffb4eb1ab0e9d799a8954a5 100644 (file)
--- a/src/tail.c
+++ b/src/tail.c
@@ -1411,8 +1411,8 @@ parse_obsolete_option (int argc, char * const *argv, uintmax_t *n_units)
     case '-':
       /* In the non-obsolete form, "-" is standard input and "-c"
         requires an option-argument.  The obsolete multidigit options
-        are diagnosed more nicely below than they would be if we
-        simply returned false here.  */
+        are supported as a GNU extension even when conforming to
+        POSIX 1003.1-2001, so don't complain about them.  */
       if (!obsolete_usage && !p[p[0] == 'c'])
        return false;
 
@@ -1443,21 +1443,10 @@ parse_obsolete_option (int argc, char * const *argv, uintmax_t *n_units)
 
   if (n_string == n_string_end)
     *n_units = default_count;
-  else
-    {
-      if ((xstrtoumax (n_string, NULL, 10, n_units, "b")
-          & ~LONGINT_INVALID_SUFFIX_CHAR)
-         != LONGINT_OK)
-       error (EXIT_FAILURE, 0, _("number in `%s' is too large"), argv[1]);
-
-      if (!obsolete_usage)
-       {
-         error (0, 0, _("`%s' option is obsolete; use `%s-%c %"PRIuMAX"'"),
-                argv[1], t_forever ? "-f " : "", t_count_lines ? 'n' : 'c',
-                *n_units);
-         usage (EXIT_FAILURE);
-       }
-    }
+  else if ((xstrtoumax (n_string, NULL, 10, n_units, "b")
+           & ~LONGINT_INVALID_SUFFIX_CHAR)
+          != LONGINT_OK)
+    error (EXIT_FAILURE, 0, _("number in `%s' is too large"), argv[1]);
 
   /* Set globals.  */
   from_start = t_from_start;