From: Bruno Haible <bruno@clisp.org>
Date: Fri, 14 Jan 2005 12:20:41 +0000 (+0000)
Subject: gnulib module 'hard-locale'.
X-Git-Tag: v0.14.2~142
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=692969fef5833cf7756ba6b763729e6a7ae0bf7d;p=thirdparty%2Fgettext.git

gnulib module 'hard-locale'.
---

diff --git a/gettext-tools/libgrep/hard-locale.c b/gettext-tools/libgrep/hard-locale.c
new file mode 100644
index 000000000..cc2c9becf
--- /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
index 000000000..010cb2768
--- /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
index 000000000..6ce7cc1e5
--- /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], [:])