/*
* locale.h
- * This file has no copyright assigned and is placed in the Public Domain.
- * This file is a part of the mingw-runtime package.
- * No warranty is given; refer to the file DISCLAIMER within the package.
*
* Functions and types for localization (ie. changing the appearance of
- * output based on the standards of a certain country).
+ * output based on the standards of a certain country, or region).
+ *
+ * $Id$
+ *
+ * Written by Rob Savoye <rob@cygnus.com>
+ * Copyright (C) 1997, 1999-2001, 2003, 2004, 2007, 2016, MinGW.org Project.
+ *
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice, this permission notice, and the following
+ * disclaimer shall be included in all copies or substantial portions of
+ * the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OF OR OTHER
+ * DEALINGS IN THE SOFTWARE.
*
*/
+#ifndef _LOCALE_H
+#pragma GCC system_header
-#ifndef _LOCALE_H_
-#define _LOCALE_H_
-
-/* All the headers include this file. */
-#include <_mingw.h>
+/* Content from <locale.h> is selectively shared with <wchar.h>;
+ * defer definition of the normal repeat inclusion guard, until...
+ */
+#ifndef __WCHAR_H_SOURCED__
+ /* ...we have confirmed that this inclusion is NOT the <wchar.h>
+ * selective request.
+ */
+#define _LOCALE_H
-/*
- * NOTE: I have tried to test this, but I am limited by my knowledge of
- * locale issues. The structure does not bomb if you look at the
- * values, and 'decimal_point' even seems to be correct. But the
- * rest of the values are, by default, not particularly useful
- * (read meaningless and not related to the international settings
- * of the system).
+/* All MinGW headers should include <_mingw.h>; do so only when NOT
+ * sourced by <wchar.h>, (which should have included it already).
*/
+#include <_mingw.h>
#define LC_ALL 0
#define LC_COLLATE 1
#define LC_MAX LC_TIME
#ifndef RC_INVOKED
-
-/* According to C89 std, NULL is defined in locale.h too. */
+/* Both ISO-C and POSIX stipulate that <locale.h> should reproduce the
+ * definition of NULL, from <stddef.h>; although not required by either
+ * standard, we also require wchar_t, to support our declaration of the
+ * Microsoft specific _wsetlocale() function, below.
+ */
#define __need_NULL
+#define __need_wchar_t
#include <stddef.h>
-/*
- * The structure returned by 'localeconv'.
- */
struct lconv
-{
- char* decimal_point;
- char* thousands_sep;
- char* grouping;
- char* int_curr_symbol;
- char* currency_symbol;
- char* mon_decimal_point;
- char* mon_thousands_sep;
- char* mon_grouping;
- char* positive_sign;
- char* negative_sign;
- char int_frac_digits;
- char frac_digits;
- char p_cs_precedes;
- char p_sep_by_space;
- char n_cs_precedes;
- char n_sep_by_space;
- char p_sign_posn;
- char n_sign_posn;
+{ /* The structure returned by the localeconv() function.
+ *
+ * AUTHOR'S NOTE:
+ * I have tried to test this, but I am limited by my knowledge of
+ * locale issues. The structure does not bomb if you look at the
+ * values, and 'decimal_point' even seems to be correct, but the
+ * rest of the values may, by default, not be particularly useful;
+ * indeed, they may even be meaningless, and in no way related to
+ * the international settings of the system.
+ */
+ char *decimal_point;
+ char *thousands_sep;
+ char *grouping;
+ char *int_curr_symbol;
+ char *currency_symbol;
+ char *mon_decimal_point;
+ char *mon_thousands_sep;
+ char *mon_grouping;
+ char *positive_sign;
+ char *negative_sign;
+ char int_frac_digits;
+ char frac_digits;
+ char p_cs_precedes;
+ char p_sep_by_space;
+ char n_cs_precedes;
+ char n_sep_by_space;
+ char p_sign_posn;
+ char n_sign_posn;
};
-#ifdef __cplusplus
-extern "C" {
-#endif
+#endif /* ! RC_INVOKED */
+#endif /* !__WCHAR_H_SOURCED__ */
+
+#ifndef RC_INVOKED
-_CRTIMP char* __cdecl __MINGW_NOTHROW setlocale (int, const char*);
-_CRTIMP struct lconv* __cdecl __MINGW_NOTHROW localeconv (void);
+_BEGIN_C_DECLS
-#ifndef _WLOCALE_DEFINED /* also declared in wchar.h */
-# define __need_wchar_t
-# include <stddef.h>
- _CRTIMP wchar_t* __cdecl __MINGW_NOTHROW _wsetlocale(int, const wchar_t*);
-# define _WLOCALE_DEFINED
-#endif /* ndef _WLOCALE_DEFINED */
+#ifdef _LOCALE_H
+ /* The following pair of function prototypes are to be declared
+ * only when including <locale.h> in its own right, (i.e. when NOT
+ * sourced by <wchar.h>)...
+ */
+_CRTIMP __cdecl __MINGW_NOTHROW char *setlocale (int, const char *);
+_CRTIMP __cdecl __MINGW_NOTHROW struct lconv *localeconv (void);
-#ifdef __cplusplus
-}
#endif
+ /* ...whereas, this must be declared in either case; (note that it
+ * not necessary to guard against a possible repeat declaration, as
+ * the compiler should accept this, without complaint, provided any
+ * prior declaration is consistent).
+ */
+_CRTIMP __cdecl __MINGW_NOTHROW wchar_t *_wsetlocale (int, const wchar_t *);
-#endif /* Not RC_INVOKED */
-
-#endif /* Not _LOCALE_H_ */
+_END_C_DECLS
+#endif /* ! RC_INVOKED */
+#endif /* !_LOCALE_H: $RCSfile$: end of file */
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