reactos/sdk/tools/mkisofs/schilytools/include/schily/wchar.h

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/* @(#)wchar.h 1.21 11/07/19 Copyright 2007-2011 J. Schilling */
/*
* Abstraction from wchar.h
*
* Copyright (c) 2007-2011 J. Schilling
*/
/*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* See the file CDDL.Schily.txt in this distribution for details.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file CDDL.Schily.txt from this distribution.
*/
#ifndef _SCHILY_WCHAR_H
#define _SCHILY_WCHAR_H
#ifndef _SCHILY_MCONFIG_H
#include <schily/mconfig.h>
#endif
#ifndef _SCHILY_STDLIB_H
#include <schily/stdlib.h> /* for MB_CUR_MAX, mbtowc()/wctomb() */
#endif
#ifndef _SCHILY_TYPES_H
#include <schily/types.h>
#endif
#ifdef HAVE_STDDEF_H
#ifndef _INCL_STDDEF_H
#include <stddef.h> /* Needed for e.g. size_t (POSIX) */
#define _INCL_STDDEF_H
#endif
#endif
#ifndef _SCHILY_STDIO_H
#include <schily/stdio.h> /* Needed for e.g. FILE (POSIX) */
#endif
#ifndef _SCHILY_VARARGS_H
#include <schily/varargs.h> /* Needed for e.g. va_list (POSIX) */
#endif
#if !defined(HAVE_MBTOWC) || !defined(HAVE_WCTOMB)
#if defined(HAVE_MBRTOWC) && defined(HAVE_WCRTOMB)
# define mbtowc(wp, cp, len) mbrtowc(wp, cp, len, (mbstate_t *)0)
# define wctomb(cp, wc) wcrtomb(cp, wc, (mbstate_t *)0)
#else
# define NO_WCHAR
#endif
#endif
#ifdef HAVE_WCHAR_H
#ifndef _INCL_WCHAR_H
#include <wchar.h>
#define _INCL_WCHAR_H
#endif
#ifndef HAVE_MBSINIT
#define mbsinit(sp) ((int)((sp) == 0))
#endif
#ifndef HAVE_MBRTOWC
#define mbrtowc(wp, cp, len, sp) mbtowc(wp, cp, len)
#endif
#ifndef HAVE_WCRTOMB
#define wcrtomb(cp, wc, sp) wctomb(cp, wc)
#endif
#ifndef USE_WCHAR
#define USE_WCHAR
#endif
#else /* HAVE_WCHAR_H */
#undef USE_WCHAR
#endif /* !HAVE_WCHAR_H */
#if !defined(HAVE_WCTYPE_H) && !defined(HAVE_ISWPRINT)
#undef USE_WCHAR
#undef USE_WCTYPE
#endif
#ifdef NO_WCTYPE
#undef USE_WCHAR
#undef USE_WCTYPE
#endif
#ifdef NO_WCHAR
#undef USE_WCHAR
#undef USE_WCTYPE
#endif
#ifndef USE_WCHAR
/*
* We either don't have wide chars or we don't use them...
*/
#undef wchar_t
#define wchar_t char
#undef wint_t
#define wint_t int
/*
* We cannot define wctype_t here because of a bug in Linux (missing xctype_t
* definition in wchar.h
*/
#ifdef __never__
#undef wctype_t
#define wctype_t int
#endif
#undef WEOF
#define WEOF ((wint_t)-1)
#ifndef _SCHILY_UTYPES_H
#include <schily/utypes.h> /* For TYPE_MAXVAL() */
#endif
#undef WCHAR_MAX
#define WCHAR_MAX TYPE_MAXVAL(wchar_t)
#undef WCHAR_MIN
#define WCHAR_MIN TYPE_MINVAL(wchar_t)
#undef WINT_MAX
#define WINT_MAX TYPE_MAXVAL(wint_t)
#undef WINT_MIN
#define WINT_MIN TYPE_MINVAL(wint_t)
#undef WCTYPE_MAX
#define WCTYPE_MAX TYPE_MAXVAL(wctype_t)
#undef WCTYPE_MIN
#define WCTYPE_MIN TYPE_MINVAL(wctype_t)
#undef SIZEOF_WCHAR_T
#define SIZEOF_WCHAR_T SIZEOF_CHAR
#undef MB_CUR_MAX
#define MB_CUR_MAX 1
#undef MB_LEN_MAX
#define MB_LEN_MAX 1
/*
* The mbtowc() for the non-multibyte case could be as simple as
*
* #define mbtowc(wp, cp, len) (*(wp) = *(cp), 1)
*
* but Mac OS X forces us to do many mbtowc(NULL, NULL, 0) calls in order
* to reset the internal state. On other platforms that do not support
* wide chars, NULL may be defined as (void *)0, so we need to check
* for "wp" != NULL and to cast "wp" and "cp" to their expected types.
*/
#undef mbtowc
#define mbtowc(wp, cp, len) ((void)((wp) ? \
*(wchar_t *)(wp) = *(char *)(cp) : 1), 1)
#undef mbrtowc
#define mbrtowc(wp, cp, len, sp) ((void)((wp) ? \
*(wchar_t *)(wp) = *(char *)(cp) : 1), 1)
#undef wctomb
#define wctomb(cp, wc) (*(cp) = wc, 1)
#undef wcrtomb
#define wcrtomb(cp, wc, sp) (*(cp) = wc, 1)
#undef mbsinit
#define mbsinit(sp) ((int)((sp) == 0))
#undef wcwidth
#define wcwidth(wc) (1)
#else /* USE_WCHAR */
#ifndef HAVE_WCWIDTH
#undef wcwidth
#define wcwidth(wc) (1)
#endif
#endif /* USE_WCHAR */
#endif /* _SCHILY_WCHAR_H */