update from FSF

1 files changed, 23 insertions, 21 deletions

diff --git a/include/getopt.h b/include/getopt.h
index 7dfb6e6..45541f5 100644
--- a/include/getopt.h
+++ b/include/getopt.h
@@ -1,19 +1,19 @@
 /* Declarations for getopt.
-   Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+   Copyright (C) 1989, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
-   under the terms of the GNU Library General Public License as published
-   by the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   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 Library General Public
-   License along with this program; if not, write to the Free Software
-   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, 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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #ifndef _GETOPT_H
 #define _GETOPT_H 1
@@ -49,6 +49,10 @@ extern int optind;
 
 extern int opterr;
 
+/* Set to an option character which was unrecognized.  */
+
+extern int optopt;
+
 /* Describe the long-named options requested by the application.
    The LONG_OPTIONS argument to getopt_long or getopt_long_only is a vector
    of `struct option' terminated by an element containing a name which is
@@ -84,23 +88,21 @@ struct option
   int val;
 };
 
-/* Names for the values of the `has_arg' field of `struct option'.
-   We wouldn't mind doing this:
-      enum _argtype
-      {
-	no_argument,
-	required_argument,
-	optional_argument
-      };
-   ...if we could also change the "int has_arg" above.  For now, use
-   defines.  */
-
-#define	no_argument 0
-#define	required_argument 1
-#define	optional_argument 2
+/* Names for the values of the `has_arg' field of `struct option'.  */
+
+#define	no_argument		0
+#define required_argument	1
+#define optional_argument	2
 
 #if __STDC__
+#if defined(__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 ();
+#endif /* not __GNU_LIBRARY__ */
 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,