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/* Copyright (C) 2002 Manuel Novoa III
*
* 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 library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* NOTE: It is assumed here and throughout the library that the underlying
* char encoding for the portable C character set is ASCII (host & target). */
#ifndef _CTYPE_H
#define _CTYPE_H
#include <features.h>
#include <bits/uClibc_ctype.h>
__BEGIN_DECLS
extern int isalnum(int c) __THROW;
extern int isalpha(int c) __THROW;
#ifdef __USE_ISOC99
extern int isblank(int c) __THROW;
#endif
extern int iscntrl(int c) __THROW;
extern int isdigit(int c) __THROW;
extern int isgraph(int c) __THROW;
extern int islower(int c) __THROW;
extern int isprint(int c) __THROW;
extern int ispunct(int c) __THROW;
extern int isspace(int c) __THROW;
extern int isupper(int c) __THROW;
extern int isxdigit(int c) __THROW;
extern int tolower(int c) __THROW;
extern int toupper(int c) __THROW;
#if defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN
extern int isascii(int c) __THROW;
extern int toascii(int c) __THROW;
#endif
/* The following are included for compatibility with older versions of
* uClibc; but now they're only visible if MISC funcctionality is requested.
* However, as they are locale-independent, the hidden macro versions are
* always present. */
#ifdef __USE_MISC
extern int isxlower(int c) __THROW; /* uClibc-specific. */
extern int isxupper(int c) __THROW; /* uClibc-specific. */
#endif
/* Next, some ctype macros which are valid for all supported locales. */
/* WARNING: isspace and isblank need to be reverified if more 8-bit codesets
* are added!!! But isdigit and isxdigit are always valid. */
#define __isspace(c) __C_isspace(c)
#define __isblank(c) __C_isblank(c)
#define __isdigit(c) __C_isdigit(c)
#define __isxdigit(c) __C_isxdigit(c)
/* Now some non-ansi/iso c99 macros. */
#define __isascii(c) (((unsigned int)(c)) <= 0x7f)
#define __toascii(c) ((c) & 0x7f)
#define _toupper(c) ((c) | 0x20)
#define _tolower(c) ((c) ^ 0x20)
/* For compatibility with older versions of uClibc. Are these ever used? */
#define __isxlower(c) __C_isxlower(c) /* uClibc-specific. */
#define __isxupper(c) __C_isxupper(c) /* uClibc-specific. */
/* Apparently, glibc implements things as macros if __NO_CTYPE isn't defined.
* If we don't have locale support, we'll do the same. Otherwise, we'll
* only use macros for the supported-locale-invariant cases. */
#ifndef __NO_CTYPE
#define isdigit(c) __isdigit(c)
#define isxdigit(c) __isxdigit(c)
#define isspace(c) __isspace(c)
#ifdef __USE_ISOC99
#define isblank(c) __isblank(c)
#endif
#if defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN
#define isascii(c) __isascii(c)
#define toascii(c) __toascii(c)
#endif
#ifdef __USE_MISC
#define isxlower(c) __C_isxlower(c) /* uClibc-specific. */
#define isxupper(c) __C_isxupper(c) /* uClibc-specific. */
#endif
/* TODO - Should test for 8-bit codesets instead, but currently impossible. */
#ifndef __UCLIBC_HAS_LOCALE__
#define isalnum(c) __C_isalnum(c)
#define isalpha(c) __C_isalpha(c)
#define iscntrl(c) __C_iscntrl(c)
#define isgraph(c) __C_isgraph(c)
#define islower(c) __C_islower(c)
#define isprint(c) __C_isprint(c)
#define ispunct(c) __C_ispunct(c)
#define isupper(c) __C_isupper(c)
#define tolower(c) __C_tolower(c)
#define toupper(c) __C_toupper(c)
#endif /* __UCLIBC_HAS_LOCALE__ */
#endif /* __NO_CTYPE */
__END_DECLS
#endif /* _CTYPE_H */
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