Handle argc < optind.

diff --git a/src/df.c b/src/df.c
index eb8a01b..06eefc9 100644 (file)
--- a/src/df.c
+++ b/src/df.c
@@ -867,27 +867,28 @@ main (int argc, char **argv)
       exit (EXIT_FAILURE);
   }
 
-  {
-    int i;
+  if (optind < argc)
+    {
+      int i;
 
-    /* stat all the given entries to make sure they get automounted,
-       if necessary, before reading the filesystem table.  */
-    stats = (struct stat *)
-      xmalloc ((argc - optind) * sizeof (struct stat));
-    for (i = optind; i < argc; ++i)
-      {
-       if (stat (argv[i], &stats[i - optind]))
-         {
-           error (0, errno, "%s", quote (argv[i]));
-           exit_status = 1;
-           argv[i] = NULL;
-         }
-       else
-         {
-           ++n_valid_args;
-         }
-      }
-  }
+      /* stat all the given entries to make sure they get automounted,
+        if necessary, before reading the filesystem table.  */
+      stats = (struct stat *)
+       xmalloc ((argc - optind) * sizeof (struct stat));
+      for (i = optind; i < argc; ++i)
+       {
+         if (stat (argv[i], &stats[i - optind]))
+           {
+             error (0, errno, "%s", quote (argv[i]));
+             exit_status = 1;
+             argv[i] = NULL;
+           }
+         else
+           {
+             ++n_valid_args;
+           }
+       }
+    }
 
   mount_list =
     read_filesystem_list ((fs_select_list != NULL
@@ -900,8 +901,8 @@ main (int argc, char **argv)
       /* Couldn't read the table of mounted filesystems.
         Fail if df was invoked with no file name arguments;
         Otherwise, merely give a warning and proceed.  */
-      const char *warning = (optind == argc ? "" : _("Warning: "));
-      int status = (optind == argc ? 1 : 0);
+      const char *warning = (optind < argc ? _("Warning: ") : "");
+      int status = (optind < argc ? 0 : 1);
       error (status, errno,
             _("%scannot read table of mounted filesystems"), warning);
     }
@@ -909,12 +910,7 @@ main (int argc, char **argv)
   if (require_sync)
     sync ();
 
-  if (optind == argc)
-    {
-      print_header ();
-      show_all_entries ();
-    }
-  else
+  if (optind < argc)
     {
       int i;
 
@@ -928,6 +924,11 @@ main (int argc, char **argv)
        if (argv[i])
          show_entry (argv[i], &stats[i - optind]);
     }
+  else
+    {
+      print_header ();
+      show_all_entries ();
+    }
 
   exit (exit_status);
 }