-/* ctype.h
- * Character classification and conversion */
+/* Copyright (C) 1991,92,93,95,96,97,98,99,2001,02
+ Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
-#ifndef __CTYPE_H
-#define __CTYPE_H
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+/*
+ * ISO C99 Standard 7.4: Character handling <ctype.h>
+ */
+
+#ifndef _CTYPE_H
+#define _CTYPE_H 1
#include <features.h>
+#include <bits/types.h>
__BEGIN_DECLS
+__BEGIN_NAMESPACE_STD
+
+/* The following names are all functions:
+ int isCHARACTERISTIC(int c);
+ which return nonzero iff C has CHARACTERISTIC.
+ For the meaning of the characteristic names, see the `enum' above. */
+extern int isalnum(int __c) __THROW;
+libc_hidden_proto(isalnum)
+extern int isalpha(int __c) __THROW;
+libc_hidden_proto(isalpha)
+extern int iscntrl(int __c) __THROW;
+libc_hidden_proto(iscntrl)
+extern int isdigit(int __c) __THROW;
+libc_hidden_proto(isdigit)
+extern int islower(int __c) __THROW;
+libc_hidden_proto(islower)
+extern int isgraph(int __c) __THROW;
+libc_hidden_proto(isgraph)
+extern int isprint(int __c) __THROW;
+libc_hidden_proto(isprint)
+extern int ispunct(int __c) __THROW;
+libc_hidden_proto(ispunct)
+extern int isspace(int __c) __THROW;
+libc_hidden_proto(isspace)
+extern int isupper(int __c) __THROW;
+libc_hidden_proto(isupper)
+extern int isxdigit(int __c) __THROW;
+libc_hidden_proto(isxdigit)
+
+
+/* Return the lowercase version of C. */
+extern int tolower(int __c) __THROW;
+libc_hidden_proto(tolower)
+
+/* Return the uppercase version of C. */
+extern int toupper(int __c) __THROW;
+libc_hidden_proto(toupper)
+
+#if (defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN) && \
+ defined __UCLIBC_SUSV4_LEGACY__
+/* Return nonzero iff C is in the ASCII set
+ (i.e., is no more than 7 bits wide). */
+extern int isascii(int __c) __THROW;
+libc_hidden_proto(isascii)
+/* Return the part of C that is in the ASCII set
+ (i.e., the low-order 7 bits of C). */
+extern int toascii(int __c) __THROW;
+#endif
+
+__END_NAMESPACE_STD
+
+
+/* ISO C99 introduced one new function. */
+#ifdef __USE_ISOC99
+__BEGIN_NAMESPACE_C99
+
+extern int isblank(int __c) __THROW;
+libc_hidden_proto(isblank)
+
+__END_NAMESPACE_C99
+#endif
+__END_DECLS
+
+#ifndef __UCLIBC_HAS_CTYPE_TABLES__
+
+/* "Stub locale": we are permanently in C/POSIX locale.
+ * Using simple(r) ctype.h machinery in this header instead: */
+#include <bits/uClibc_ctype.h>
+
+#else
+
+__BEGIN_DECLS
+
+#ifndef _ISbit
+/* These are all the characteristics of characters.
+ If there get to be more than 16 distinct characteristics,
+ __ctype_mask_t will need to be adjusted. */
+
+/* libstdc++ from gcc toolchain needs this macro. */
+# define _ISbit(bit) (1 << (bit))
+
+enum
+{
+ _ISupper = _ISbit (0), /* UPPERCASE. */
+ _ISlower = _ISbit (1), /* lowercase. */
+ _ISalpha = _ISbit (2), /* Alphabetic. */
+ _ISdigit = _ISbit (3), /* Numeric. */
+ _ISxdigit = _ISbit (4), /* Hexadecimal numeric. */
+ _ISspace = _ISbit (5), /* Whitespace. */
+ _ISprint = _ISbit (6), /* Printing. */
+ _ISgraph = _ISbit (7), /* Graphical. */
+ _ISblank = _ISbit (8), /* Blank (usually SPC and TAB). */
+ _IScntrl = _ISbit (9), /* Control character. */
+ _ISpunct = _ISbit (10), /* Punctuation. */
+ _ISalnum = _ISbit (11) /* Alphanumeric. */
+};
+#else
+#error _ISbit already defined!
+#endif /* ! _ISbit */
+
+/* __ctype_XXX_t types and __UCLIBC_CTYPE_x_TBL_OFFSET constants */
+#include <bits/uClibc_touplow.h>
+
+#ifdef __UCLIBC_HAS_CTYPE_SIGNED__
+# define __UCLIBC_CTYPE_IN_TO_DOMAIN(c) (((unsigned int)((c) + 128)) < 384)
+#else
+# define __UCLIBC_CTYPE_IN_TO_DOMAIN(c) (((unsigned int)(c)) < 256)
+#endif
+
+/* In the thread-specific locale model (see `uselocale' in <locale.h>)
+ we cannot use global variables for these as was done in the past.
+ Instead, the following accessor functions return the address of
+ each variable, which is local to the current thread if multithreaded.
+
+ These point into arrays of 384, so they can be indexed by any `unsigned
+ char' value [0,255]; by EOF (-1); or by any `signed char' value
+ [-128,-1). ISO C requires that the ctype functions work for `unsigned
+ char' values and for EOF; we also support negative `signed char' values
+ for broken old programs. The case conversion arrays are of `int's
+ rather than `unsigned char's because tolower (EOF) must be EOF, which
+ doesn't fit into an `unsigned char'. But today more important is that
+ the arrays are also used for multi-byte character sets. */
+
+/* uClibc differences:
+ *
+ * When __UCLIBC_HAS_CTYPE_SIGNED is defined,
+ *
+ * The upper and lower mapping arrays are type int16_t, so that
+ * they may store all char values plus EOF. The glibc reasoning
+ * given above for these being type int is questionable, as the
+ * ctype mapping functions map from the set of (unsigned) char
+ * and EOF back into the set. They have no awareness of multi-byte
+ * or wide characters.
+ *
+ * Otherwise,
+ *
+ * The ctype array is defined for -1..255.
+ * The upper and lower mapping arrays are defined for 0..255.
+ * The upper and lower mapping arrays are type unsigned char.
+ */
+
+/* Pointers to the default C-locale data. */
+extern const __ctype_mask_t *__C_ctype_b;
+libc_hidden_proto(__C_ctype_b)
+extern const __ctype_touplow_t *__C_ctype_toupper;
+libc_hidden_proto(__C_ctype_toupper)
+extern const __ctype_touplow_t *__C_ctype_tolower;
+libc_hidden_proto(__C_ctype_tolower)
+
+#ifdef __UCLIBC_HAS_XLOCALE__
+const __ctype_mask_t **__ctype_b_loc(void) __attribute__ ((const));
+libc_hidden_proto(__ctype_b_loc)
+const __ctype_touplow_t **__ctype_tolower_loc(void) __attribute__ ((const));
+libc_hidden_proto(__ctype_tolower_loc)
+const __ctype_touplow_t **__ctype_toupper_loc(void) __attribute__ ((const));
+libc_hidden_proto(__ctype_toupper_loc)
+#define __UCLIBC_CTYPE_B (*__ctype_b_loc())
+#define __UCLIBC_CTYPE_TOLOWER (*__ctype_tolower_loc())
+#define __UCLIBC_CTYPE_TOUPPER (*__ctype_toupper_loc())
-/* function prototpes */
-extern int isalnum(int c);
-extern int isalpha(int c);
-extern int isascii(int c);
-extern int iscntrl(int c);
-extern int isdigit(int c);
-extern int isgraph(int c);
-extern int islower(int c);
-extern int isprint(int c);
-extern int ispunct(int c);
-extern int isspace(int c);
-extern int isupper(int c);
-extern int isxdigit(int c);
-extern int isxlower(int c);
-extern int isxupper(int c);
-extern int toascii(int c);
-extern int tolower(int c);
-extern int toupper(int c);
-
-
-/* Locale-compatible macros/inlines have yet to be implemented. */
-#if defined(__USE_CTYPE_MACROS) && !defined __UCLIBC_HAS_LOCALE__
-
-/* macro definitions */
-#define isalnum(c) (isalpha(c) || isdigit(c))
-#define isalpha(c) (isupper(c) || islower(c))
-#define isascii(c) (c > 0 && c <= 0x7f)
-#define iscntrl(c) ((c >= 0) && ((c <= 0x1F) || (c == 0x7f)))
-#define isdigit(c) (c >= '0' && c <= '9')
-#define isgraph(c) (c != ' ' && isprint(c))
-#define islower(c) (c >= 'a' && c <= 'z')
-#define isprint(c) (c >= ' ' && c <= '~')
-#define ispunct(c) ((c > ' ' && c <= '~') && !isalnum(c))
-#define isspace(c) (c == ' ' || c == '\f' || c == '\n' || c == '\r' ||\
- c == '\t' || c == '\v')
-#define isupper(c) (c >= 'A' && c <= 'Z')
-#define isxdigit(c) (isxupper(c) || isxlower(c))
-#define isxlower(c) (isdigit(c) || (c >= 'a' && c <= 'f'))
-#define isxupper(c) (isdigit(c) || (c >= 'A' && c <= 'F'))
-#define toascii(c) (c & 0x7f)
-#define tolower(c) (isupper(c) ? ( c - 'A' + 'a') : (c))
-#define toupper(c) (islower(c) ? (c - 'a' + 'A') : (c))
+#else /* __UCLIBC_HAS_XLOCALE__ */
+/* Pointers to the current global locale data in use. */
+extern const __ctype_mask_t *__ctype_b;
+libc_hidden_proto(__ctype_b)
+extern const __ctype_touplow_t *__ctype_toupper;
+libc_hidden_proto(__ctype_toupper)
+extern const __ctype_touplow_t *__ctype_tolower;
+libc_hidden_proto(__ctype_tolower)
+#define __UCLIBC_CTYPE_B (__ctype_b)
+#define __UCLIBC_CTYPE_TOLOWER (__ctype_tolower)
+#define __UCLIBC_CTYPE_TOUPPER (__ctype_toupper)
+
+#endif /* __UCLIBC_HAS_XLOCALE__ */
+
+#ifdef __UCLIBC_SUSV4_LEGACY__
+#define __isascii(c) (((c) & ~0x7f) == 0) /* If C is a 7 bit value. */
+#define __toascii(c) ((c) & 0x7f) /* Mask off high bits. */
#endif
+#ifdef _LIBC
+/* These are uClibc-specific. */
+#define __isdigit_char(C) (((unsigned char)((C) - '0')) <= 9)
+#define __isdigit_int(C) (((unsigned int)((C) - '0')) <= 9)
+#endif
+
+#ifdef __USE_GNU
+/* Test C for a set of character classes according to MASK. */
+extern int isctype(int __c, int __mask) __THROW;
+#endif
+
+#if (defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN) \
+ && defined __UCLIBC_SUSV4_LEGACY__
+/* These are the same as `toupper' and `tolower' except that they do not
+ check the argument for being in the range of a `char'. */
+extern int _toupper(int __c) __THROW;
+extern int _tolower(int __c) __THROW;
+#endif /* Use SVID or use misc. */
+
+/* This code is needed for the optimized mapping functions. */
+#define __tobody(c, f, table, args) \
+(__extension__ ({ \
+ int __res; \
+ if (sizeof(c) > 1) { \
+ if (__builtin_constant_p(c)) { \
+ int __c = (c); \
+ __res = __UCLIBC_CTYPE_IN_TO_DOMAIN(__c) ? (table)[__c] : __c; \
+ } else \
+ __res = f args; \
+ } else \
+ __res = (table)[(int) (c)]; \
+ __res; \
+}))
+
+#define __isctype(c, type) ((__UCLIBC_CTYPE_B)[(int)(c)] & (__ctype_mask_t)type)
+/* Do not combine in one #if - unifdef tool is not that clever */
+#ifndef __NO_CTYPE
+#ifndef __cplusplus
+# define isalnum(c) __isctype((c), _ISalnum)
+# define isalpha(c) __isctype((c), _ISalpha)
+# define iscntrl(c) __isctype((c), _IScntrl)
+# define isdigit(c) __isctype((c), _ISdigit)
+# define islower(c) __isctype((c), _ISlower)
+# define isgraph(c) __isctype((c), _ISgraph)
+# define isprint(c) __isctype((c), _ISprint)
+# define ispunct(c) __isctype((c), _ISpunct)
+# define isspace(c) __isctype((c), _ISspace)
+# define isupper(c) __isctype((c), _ISupper)
+# define isxdigit(c) __isctype((c), _ISxdigit)
+# ifdef __USE_ISOC99
+# define isblank(c) __isctype((c), _ISblank)
+# endif
+
+# ifdef __USE_EXTERN_INLINES
+__extern_inline int
+__NTH (tolower (int __c))
+{
+ return __UCLIBC_CTYPE_IN_TO_DOMAIN(__c) ? (__UCLIBC_CTYPE_TOLOWER)[__c] : __c;
+}
+__extern_inline int
+__NTH (toupper (int __c))
+{
+ return __UCLIBC_CTYPE_IN_TO_DOMAIN(__c) ? (__UCLIBC_CTYPE_TOUPPER)[__c] : __c;
+}
+# endif
+
+# if __GNUC__ >= 2 && defined __OPTIMIZE__ && !defined __cplusplus
+# define tolower(c) __tobody(c, tolower, __UCLIBC_CTYPE_TOLOWER, (c))
+# define toupper(c) __tobody(c, toupper, __UCLIBC_CTYPE_TOUPPER, (c))
+# endif /* Optimizing gcc */
+
+# if (defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN) \
+ && defined __UCLIBC_SUSV4_LEGACY__
+# define isascii(c) __isascii (c)
+# define toascii(c) __toascii (c)
+# define _tolower(c) ((int) (__UCLIBC_CTYPE_TOLOWER)[(int) (c)])
+# define _toupper(c) ((int) (__UCLIBC_CTYPE_TOUPPER)[(int) (c)])
+# endif
+
+#endif /* not __cplusplus */
+#endif /* not __NO_CTYPE */
+
+
+#if defined __USE_GNU && defined __UCLIBC_HAS_XLOCALE__
+/* The concept of one static locale per category is not very well
+ thought out. Many applications will need to process its data using
+ information from several different locales. Another application is
+ the implementation of the internationalization handling in the
+ upcoming ISO C++ standard library. To support this another set of
+ the functions using locale data exist which have an additional
+ argument.
+
+ Attention: all these functions are *not* standardized in any form.
+ This is a proof-of-concept implementation. */
+
+/* Structure for reentrant locale using functions. This is an
+ (almost) opaque type for the user level programs. */
+# include <xlocale.h>
+
+/* These definitions are similar to the ones above but all functions
+ take as an argument a handle for the locale which shall be used. */
+extern int isalnum_l(int, __locale_t) __THROW;
+libc_hidden_proto(isalnum_l)
+extern int isalpha_l(int, __locale_t) __THROW;
+libc_hidden_proto(isalpha_l)
+extern int iscntrl_l(int, __locale_t) __THROW;
+libc_hidden_proto(iscntrl_l)
+extern int isdigit_l(int, __locale_t) __THROW;
+libc_hidden_proto(isdigit_l)
+extern int islower_l(int, __locale_t) __THROW;
+libc_hidden_proto(islower_l)
+extern int isgraph_l(int, __locale_t) __THROW;
+libc_hidden_proto(isgraph_l)
+extern int isprint_l(int, __locale_t) __THROW;
+libc_hidden_proto(isprint_l)
+extern int ispunct_l(int, __locale_t) __THROW;
+libc_hidden_proto(ispunct_l)
+extern int isspace_l(int, __locale_t) __THROW;
+libc_hidden_proto(isspace_l)
+extern int isupper_l(int, __locale_t) __THROW;
+libc_hidden_proto(isupper_l)
+extern int isxdigit_l(int, __locale_t) __THROW;
+libc_hidden_proto(isxdigit_l)
+extern int isblank_l(int, __locale_t) __THROW;
+libc_hidden_proto(isblank_l)
+
+# if (defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN) \
+ && defined __UCLIBC_SUSV4_LEGACY__
+/* Return nonzero iff C is in the ASCII set
+ (i.e., is no more than 7 bits wide). */
+extern int isascii_l (int __c) __THROW;
+libc_hidden_proto(isascii_l)
+
+# endif
+
+/* Return the lowercase version of C in locale L. */
+extern int tolower_l (int __c, __locale_t __l) __THROW;
+libc_hidden_proto(tolower_l)
+
+/* Return the uppercase version of C. */
+extern int toupper_l (int __c, __locale_t __l) __THROW;
+
+# if __GNUC__ >= 2 && defined __OPTIMIZE__ && !defined __cplusplus
+# define tolower_l(c, locale) __tobody(c, tolower_l, (locale)->__ctype_tolower, (c, locale))
+# define toupper_l(c, locale) __tobody(c, toupper_l, (locale)->__ctype_toupper, (c, locale))
+# endif /* Optimizing gcc */
+
+
+# define __isctype_l(c, type, locale) ((locale)->__ctype_b[(int) (c)] & (__ctype_mask_t) type)
+# ifndef __NO_CTYPE
+# define __isalnum_l(c,l) __isctype_l((c), _ISalnum, (l))
+# define __isalpha_l(c,l) __isctype_l((c), _ISalpha, (l))
+# define __iscntrl_l(c,l) __isctype_l((c), _IScntrl, (l))
+# define __isdigit_l(c,l) __isctype_l((c), _ISdigit, (l))
+# define __islower_l(c,l) __isctype_l((c), _ISlower, (l))
+# define __isgraph_l(c,l) __isctype_l((c), _ISgraph, (l))
+# define __isprint_l(c,l) __isctype_l((c), _ISprint, (l))
+# define __ispunct_l(c,l) __isctype_l((c), _ISpunct, (l))
+# define __isspace_l(c,l) __isctype_l((c), _ISspace, (l))
+# define __isupper_l(c,l) __isctype_l((c), _ISupper, (l))
+# define __isxdigit_l(c,l) __isctype_l((c), _ISxdigit, (l))
+# define __isblank_l(c,l) __isctype_l((c), _ISblank, (l))
+
+# if (defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN) \
+ && defined __UCLIBC_SUSV4_LEGACY__
+# define __isascii_l(c,l) ((l), __isascii (c))
+# define __toascii_l(c,l) ((l), __toascii (c))
+# endif
+
+# define isalnum_l(c,l) __isalnum_l ((c), (l))
+# define isalpha_l(c,l) __isalpha_l ((c), (l))
+# define iscntrl_l(c,l) __iscntrl_l ((c), (l))
+# define isdigit_l(c,l) __isdigit_l ((c), (l))
+# define islower_l(c,l) __islower_l ((c), (l))
+# define isgraph_l(c,l) __isgraph_l ((c), (l))
+# define isprint_l(c,l) __isprint_l ((c), (l))
+# define ispunct_l(c,l) __ispunct_l ((c), (l))
+# define isspace_l(c,l) __isspace_l ((c), (l))
+# define isupper_l(c,l) __isupper_l ((c), (l))
+# define isxdigit_l(c,l) __isxdigit_l ((c), (l))
+# define isblank_l(c,l) __isblank_l ((c), (l))
+
+# if (defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN) \
+ && defined __UCLIBC_SUSV4_LEGACY__
+# define isascii_l(c,l) __isascii_l ((c), (l))
+# define toascii_l(c,l) __toascii_l ((c), (l))
+# endif
+
+# endif /* Not __NO_CTYPE. */
+
+#endif /* Use GNU. */
+
__END_DECLS
-#endif /* __CTYPE_H */
+#endif /* __UCLIBC_HAS_CTYPE_TABLES__ */
+
+#if defined _LIBC && !defined __UCLIBC_SUSV4_LEGACY__
+/* We define {__,}isascii for internal use only */
+# define __isascii(c) (((c) & ~0x7f) == 0)
+# define isascii(c) __isascii (c)
+#endif
+
+#endif /* ctype.h */
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