/*  ------------------------------------------------------------------
 *  The Goldware Library
 *  Copyright (C) 1999 Alexander S. Aganichev
 *  ------------------------------------------------------------------
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library 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
 *  ------------------------------------------------------------------
 *  $Id$
 *  ------------------------------------------------------------------
 *  Portable NLS functions for ctype.
 *  --------------------------------------------------------------- */

#ifndef __gctype_h
#define __gctype_h


/*  --------------------------------------------------------------- */

#include <gcmpall.h>


/*  --------------------------------------------------------------- */

#ifdef __BORLANDC__
#define __USELOCALES__
#elif defined(__EMX__)
#define _CTYPE_FUN
#endif
#include <ctype.h>
#if defined(__EMX__)
#include <sys/nls.h>
#define tolower(c) _nls_tolower((unsigned char)(c))
#define toupper(c) _nls_toupper((unsigned char)(c))
#elif defined(__WIN32__)
#ifdef __cplusplus
extern "C" {
extern char tl[256], tu[256];
__inline__ int tolower(int c) { return tl[c]; }
__inline__ int toupper(int c) { return tu[c]; }
}
#else
extern char tl[256], tu[256];
#define tolower(c) tl[(int)(unsigned char)(c)]
#define toupper(c) tu[(int)(unsigned char)(c)]
#endif
#endif


/*  --------------------------------------------------------------- */

/* NLS chars detected by converting to lower or upper case and in case
 * they don't match they treated as characters
 */

#ifdef __cplusplus
extern "C" {
#endif
extern __inline__ int isxalnum(char c) {
  return isascii(c) ? isalnum(c) : (c != tolower(c)) || (c != toupper(c));
}
#ifdef __cplusplus
}
#endif

#ifdef __BEOS__
/* sz: there are some problems under BeOS with that function - symbols
 * from second half of ASCII table are assumed as control ones ...
 * This is a real disaster for cyrillic users ...
 * It's also not possible to use setlocale() to change it's behaviour. =-(
 */
#undef iscntrl
# define iscntrl(c)	((c < 0x7f) ? __isctype((c), _IScntrl) : 0)
#endif /* __BEOS__ */

/*  --------------------------------------------------------------- */

#endif

/*  --------------------------------------------------------------- */
