Sync dfa to grep, import hard-locale.[ch].

1 files changed, 17 insertions, 51 deletions

diff --git a/hard-locale.h b/hard-locale.h
index c0075b2e..160d5443 100644
--- a/hard-locale.h
+++ b/hard-locale.h
@@ -1,16 +1,11 @@
-/* hard-locale.h -- Same as hard-locale.c.
- *
- * For gawk, put this in a header file, provides source code
- * compatibility with GNU grep for dfa.c, so that dfa.c need
- * not be continually modified by hand.
- */
-/* hard-locale.c -- Determine whether a locale is hard.
-   Copyright 1997, 1998, 1999, 2010 Free Software Foundation, Inc.
-
-   This program is free software; you can redistribute it and/or modify
+/* Determine whether a locale is hard.
+
+   Copyright (C) 1999, 2003, 2004, 2009, 2010, 2011 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)
-   any later version.
+   the Free Software Foundation; either version 3 of the License, 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
@@ -18,44 +13,15 @@
    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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
-
-/* Return nonzero if the current CATEGORY locale is hard, i.e. if you
-   can't get away with assuming traditional C or POSIX behavior.  */
-static int
-hard_locale (int category)
-{
-#if ! (defined ENABLE_NLS && HAVE_SETLOCALE)
-  return 0;
-#else
-
-  int hard = 1;
-  char const *p = setlocale (category, 0);
-
-  if (p)
-    {
-# if defined __GLIBC__ && __GLIBC__ >= 2
-      if (strcmp (p, "C") == 0 || strcmp (p, "POSIX") == 0)
-	hard = 0;
-# else
-      char *locale = (char *) xmalloc (strlen (p) + 1);
-      strcpy (locale, p);
-
-      /* Temporarily set the locale to the "C" and "POSIX" locales to
-	 find their names, so that we can determine whether one or the
-	 other is the caller's locale.  */
-      if (((p = setlocale (category, "C")) && strcmp (p, locale) == 0)
-	  || ((p = setlocale (category, "POSIX")) && strcmp (p, locale) == 0))
-	hard = 0;
-
-      /* Restore the caller's locale.  */
-      setlocale (category, locale);
-      free(locale);
-# endif
-    }
-
-  return hard;
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#ifndef HARD_LOCALE_H_
+# define HARD_LOCALE_H_ 1
 
+#ifndef GAWK
+# include <stdbool.h>
 #endif
-}
+
+bool hard_locale (int);
+
+#endif /* HARD_LOCALE_H_ */