Update copyright notices with scripts/update-copyrights.

[thirdparty/glibc.git] / posix / getopt.h

diff --git a/posix/getopt.h b/posix/getopt.h
index c8950ee4a1a9c17ff60db7d91bdc1287f6354667..5d19cb3dfb29e46fe13ab1a51ab7a28e913ab79c 100644 (file)
--- a/posix/getopt.h
+++ b/posix/getopt.h
@@ -1,21 +1,20 @@
 /* Declarations for getopt.
-   Copyright (C) 1989,90,91,92,93,94,96,97,98 Free Software Foundation, Inc.
+   Copyright (C) 1989-2013 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library 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 of the
-   License, or (at your option) any later version.
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
    The GNU C Library 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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  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 Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 #ifndef _GETOPT_H
 
@@ -23,6 +22,28 @@
 # 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
+
+#ifndef __THROW
+# ifndef __GNUC_PREREQ
+#  define __GNUC_PREREQ(maj, min) (0)
+# endif
+# if defined __cplusplus && __GNUC_PREREQ (2,8)
+#  define __THROW      throw ()
+# else
+#  define __THROW
+# endif
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -82,11 +103,7 @@ 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;
@@ -126,44 +143,49 @@ 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 ();
-# endif /* __GNU_LIBRARY__ */
-
-# ifdef __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,
-                            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,
-                            const char *shortopts,
-                            const struct option *longopts, int *longind,
-                            int long_only);
+extern int getopt (int ___argc, char *const *___argv, const char *__shortopts)
+       __THROW;
+
+# if defined __need_getopt && defined __USE_POSIX2 \
+  && !defined __USE_POSIX_IMPLICITLY && !defined __USE_GNU
+/* The GNU getopt has more functionality than the standard version.  The
+   additional functionality can be disable at runtime.  This redirection
+   helps to also do this at runtime.  */
+#  ifdef __REDIRECT
+  extern int __REDIRECT_NTH (getopt, (int ___argc, char *const *___argv,
+                                     const char *__shortopts),
+                            __posix_getopt);
+#  else
+extern int __posix_getopt (int ___argc, char *const *___argv,
+                          const char *__shortopts) __THROW;
+#   define getopt __posix_getopt
+#  endif
 # endif
-#else /* not __STDC__ */
+#else /* not __GNU_LIBRARY__ */
 extern int getopt ();
-# ifndef __need_getopt
-extern int getopt_long ();
-extern int getopt_long_only ();
+#endif /* __GNU_LIBRARY__ */
 
-extern int _getopt_internal ();
-# endif
-#endif /* __STDC__ */
+#ifndef __need_getopt
+extern int getopt_long (int ___argc, char *const *___argv,
+                       const char *__shortopts,
+                       const struct option *__longopts, int *__longind)
+       __THROW;
+extern int getopt_long_only (int ___argc, char *const *___argv,
+                            const char *__shortopts,
+                            const struct option *__longopts, int *__longind)
+       __THROW;
+
+#endif
 
 #ifdef __cplusplus
 }
 #endif
 
-/* Make sure we later can get all the definitions and  declarations.  */
+/* Make sure we later can get all the definitions and declarations.  */
 #undef __need_getopt
 
 #endif /* getopt.h */