X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgetopt.h;h=1a55babfbce5065d5bef8c1eda4dcaefec2dce0d;hb=fdb6eb330f7d598fc5f68a4364f1cc40662c6070;hp=ac6728f83d45fd56377391174b1f304d9b262acb;hpb=89f2b4892655a929a506eff123c9126a88e2c8eb;p=gnulib.git

diff --git a/lib/getopt.h b/lib/getopt.h
index ac6728f83..1a55babfb 100644
--- a/lib/getopt.h
+++ b/lib/getopt.h
@@ -1,21 +1,23 @@
 /* Declarations for getopt.
-   Copyright (C) 1989,90,91,92,93,94,96,97,98 Free Software Foundation, Inc.
-   NOTE: The canonical source of this file is maintained with the GNU C Library.
-   Bugs can be reported to bug-glibc@gnu.org.
-   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 the
-   Free Software Foundation; either version 2, or (at your option) any
-   later version.
+
+   Copyright (C) 1989, 1990, 1991, 1992, 1993, 1994, 1996, 1997, 1998,
+   1999, 2001, 2003 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.
+
+   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
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-   USA.  */
+   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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #ifndef _GETOPT_H
 
@@ -23,6 +25,17 @@
 # define _GETOPT_H 1
 #endif
 
+/* If __GNU_LIBRARY__ is not already defined, either we are being used
+   standalone, or this is the first header included in the source file.
+   If we are being used with glibc, we need to include <features.h>, but
+   that does not exist if we are standalone.  So: if __GNU_LIBRARY__ is
+   not defined, include <ctype.h>, which will pull in <features.h> for us
+   if it's from glibc.  (Why ctype.h?  It's guaranteed to exist and it
+   doesn't flood the namespace with stuff the way some other headers do.)  */
+#if !defined __GNU_LIBRARY__
+# include <ctype.h>
+#endif
+
 #ifdef	__cplusplus
 extern "C" {
 #endif
@@ -82,11 +95,7 @@ extern int optopt;
 
 struct option
 {
-# if defined __STDC__ && __STDC__
   const char *name;
-# else
-  char *name;
-# endif
   /* has_arg can't be an enum because some compilers complain about
      type mismatches in all the code that assumes it is an int.  */
   int has_arg;
@@ -126,38 +135,29 @@ struct option
    arguments to the option '\0'.  This behavior is specific to the GNU
    `getopt'.  */
 
-#if defined __STDC__ && __STDC__
-# ifdef __GNU_LIBRARY__
+#ifdef __GNU_LIBRARY__
 /* Many other libraries have conflicting prototypes for getopt, with
    differences in the consts, in stdlib.h.  To avoid compilation
    errors, only prototype getopt for the GNU C library.  */
-extern int getopt (int __argc, char *const *__argv, const char *__shortopts);
-# else /* not __GNU_LIBRARY__ */
+extern int getopt (int ___argc, char *const *___argv, const char *__shortopts);
+#else /* not __GNU_LIBRARY__ */
 extern int getopt ();
-# endif /* __GNU_LIBRARY__ */
+#endif /* __GNU_LIBRARY__ */
 
-# ifndef __need_getopt
-extern int getopt_long (int __argc, char *const *__argv, const char *__shortopts,
+#ifndef __need_getopt
+extern int getopt_long (int ___argc, char *const *___argv,
+			const char *__shortopts,
 		        const struct option *__longopts, int *__longind);
-extern int getopt_long_only (int __argc, char *const *__argv,
+extern int getopt_long_only (int ___argc, char *const *___argv,
 			     const char *__shortopts,
 		             const struct option *__longopts, int *__longind);
 
 /* Internal only.  Users should not call this directly.  */
-extern int _getopt_internal (int __argc, char *const *__argv,
+extern int _getopt_internal (int ___argc, char *const *___argv,
 			     const char *__shortopts,
 		             const struct option *__longopts, int *__longind,
 			     int __long_only);
-# endif
-#else /* not __STDC__ */
-extern int getopt ();
-# ifndef __need_getopt
-extern int getopt_long ();
-extern int getopt_long_only ();
-
-extern int _getopt_internal ();
-# endif
-#endif /* __STDC__ */
+#endif
 
 #ifdef	__cplusplus
 }