tweak from FSF

[gnulib.git] / lib / long-options.c

diff --git a/lib/long-options.c b/lib/long-options.c
index c1071bf..4d216ab 100644 (file)
--- a/lib/long-options.c
+++ b/lib/long-options.c
@@ -1,5 +1,5 @@
 /* Utility to accept --help and --version options as unobtrusively as possible.
-   Copyright (C) 1993, 1994 Free Software Foundation, Inc.
+   Copyright (C) 1993, 1994, 1998 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -12,17 +12,18 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
-/* Jim Meyering (meyering@comco.com) */
+/* Written by Jim Meyering.  */
 
-#ifdef HAVE_CONFIG_H
-#include <config.h>
+#if HAVE_CONFIG_H
+# include <config.h>
 #endif
 
 #include <stdio.h>
 #include <getopt.h>
+#include "closeout.h"
 #include "long-options.h"
 
 static struct option const long_options[] =
@@ -36,25 +37,24 @@ static struct option const long_options[] =
    Be careful not to gobble up `--'.  */
 
 void
-parse_long_options (argc, argv, command_name, version_string, usage)
+parse_long_options (argc, argv, command_name, package, version, usage)
      int argc;
      char **argv;
      const char *command_name;
-     const char *version_string;
+     const char *package;
+     const char *version;
      void (*usage)();
 {
   int c;
   int saved_opterr;
-  int saved_optind;
 
   saved_opterr = opterr;
-  saved_optind = optind;
 
   /* Don't print an error message for unrecognized options.  */
   opterr = 0;
 
   if (argc == 2
-      && (c = getopt_long (argc, argv, "+", long_options, (int *) 0)) != EOF)
+      && (c = getopt_long (argc, argv, "+", long_options, NULL)) != -1)
     {
       switch (c)
        {
@@ -62,9 +62,11 @@ parse_long_options (argc, argv, command_name, version_string, usage)
          (*usage) (0);
 
        case 'v':
-         printf ("%s - %s\n", command_name, version_string);
+         printf ("%s (%s) %s\n", command_name, package, version);
+         close_stdout (); /* FIXME: output failure exit status
+                             should be settable via an arg.  */
          exit (0);
-       
+
        default:
          /* Don't process any other long-named options.  */
          break;
@@ -74,6 +76,7 @@ parse_long_options (argc, argv, command_name, version_string, usage)
   /* Restore previous value.  */
   opterr = saved_opterr;
 
-  /* Restore optind in case it has advanced past a leading `--'.  */
-  optind = saved_optind;
+  /* Reset this to zero so that getopt internals get initialized from
+     the probably-new parameters when/if getopt is called later.  */
+  optind = 0;
 }