gnulib module 'hard-locale'.

diff --git a/gettext-tools/libgrep/hard-locale.c b/gettext-tools/libgrep/hard-locale.c
new file mode 100644 (file)
index 0000000..cc2c9be
--- /dev/null
+++ b/gettext-tools/libgrep/hard-locale.c
@@ -0,0 +1,75 @@
+/* hard-locale.c -- Determine whether a locale is hard.
+
+   Copyright (C) 1997, 1998, 1999, 2002, 2003, 2004 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.
+
+   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.  */
+
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "hard-locale.h"
+
+#include <locale.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "strdup.h"
+
+#ifdef __GLIBC__
+# define GLIBC_VERSION __GLIBC__
+#else
+# define GLIBC_VERSION 0
+#endif
+
+/* Return true if the current CATEGORY locale is hard, i.e. if you
+   can't get away with assuming traditional C or POSIX behavior.  */
+bool
+hard_locale (int category)
+{
+  bool hard = true;
+  char const *p = setlocale (category, NULL);
+
+  if (p)
+    {
+      if (2 <= GLIBC_VERSION)
+       {
+         if (strcmp (p, "C") == 0 || strcmp (p, "POSIX") == 0)
+           hard = false;
+       }
+      else
+       {
+         char *locale = strdup (p);
+         if (locale)
+           {
+             /* 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 = false;
+
+             /* Restore the caller's locale.  */
+             setlocale (category, locale);
+             free (locale);
+           }
+       }
+    }
+
+  return hard;
+}

diff --git a/gettext-tools/libgrep/hard-locale.h b/gettext-tools/libgrep/hard-locale.h
new file mode 100644 (file)
index 0000000..010cb27
--- /dev/null
+++ b/gettext-tools/libgrep/hard-locale.h
@@ -0,0 +1,26 @@
+/* Determine whether a locale is hard.
+
+   Copyright (C) 1999, 2003, 2004 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.
+
+   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.  */
+
+#ifndef HARD_LOCALE_H_
+# define HARD_LOCALE_H_ 1
+
+# include <stdbool.h>
+
+bool hard_locale (int);
+
+#endif /* HARD_LOCALE_H_ */

diff --git a/gettext-tools/m4/hard-locale.m4 b/gettext-tools/m4/hard-locale.m4
new file mode 100644 (file)
index 0000000..6ce7cc1
--- /dev/null
+++ b/gettext-tools/m4/hard-locale.m4
@@ -0,0 +1,10 @@
+# hard-locale.m4 serial 4
+dnl Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl No prerequisites of lib/hard-locale.c.
+AC_DEFUN([gl_HARD_LOCALE], [:])