use the provided enum for has_arg

1 files changed, 23 insertions, 15 deletions

diff --git a/include/getopt.h b/include/getopt.h
index f64de31..6f42f80 100644
--- a/include/getopt.h
+++ b/include/getopt.h
@@ -1,9 +1,9 @@
 /* Declarations for getopt.
    Copyright (C) 1989, 1990, 1991, 1992 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
-   the Free Software Foundation; either version 2, or (at your option)
+   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.
 
    This program is distributed in the hope that it will be useful,
@@ -11,13 +11,17 @@
    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
+   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.  */
 
 #ifndef _GETOPT_H
 #define _GETOPT_H 1
 
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
 /* For communication from `getopt' to the caller.
    When `getopt' finds an option that takes an argument,
    the argument value is returned here.
@@ -66,6 +70,15 @@ extern int opterr;
    one).  For long options that have a zero `flag' field, `getopt'
    returns the contents of the `val' field.  */
 
+/* Names for the values of the `has_arg' field of `struct option'.  */
+
+enum _argtype
+{
+  no_argument,
+  required_argument,
+  optional_argument
+};
+
 struct option
 {
 #if	__STDC__
@@ -75,20 +88,11 @@ struct option
 #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;
+  enum _argtype has_arg;
   int *flag;
   int val;
 };
 
-/* Names for the values of the `has_arg' field of `struct option'.  */
-
-enum _argtype
-{
-  no_argument,
-  required_argument,
-  optional_argument
-};
-
 #if __STDC__
 extern int getopt (int argc, char *const *argv, const char *shortopts);
 extern int getopt_long (int argc, char *const *argv, const char *shortopts,
@@ -110,4 +114,8 @@ extern int getopt_long_only ();
 extern int _getopt_internal ();
 #endif /* not __STDC__ */
 
+#ifdef	__cplusplus
+}
+#endif
+
 #endif /* _GETOPT_H */