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Diffstat (limited to 'REORG.TODO/ctype/ctype.h')
| -rw-r--r-- | REORG.TODO/ctype/ctype.h | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/REORG.TODO/ctype/ctype.h b/REORG.TODO/ctype/ctype.h new file mode 100644 index 0000000000..1fe89cf836 --- /dev/null +++ b/REORG.TODO/ctype/ctype.h @@ -0,0 +1,341 @@ +/* Copyright (C) 1991-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 + +#ifndef _ISbit +/* These are all the characteristics of characters. + If there get to be more than 16 distinct characteristics, + many things must be changed that use `unsigned short int's. + + The characteristics are stored always in network byte order (big + endian). We define the bit value interpretations here dependent on the + machine's byte order. */ + +# include <endian.h> +# if __BYTE_ORDER == __BIG_ENDIAN +# define _ISbit(bit) (1 << (bit)) +# else /* __BYTE_ORDER == __LITTLE_ENDIAN */ +# define _ISbit(bit) ((bit) < 8 ? ((1 << (bit)) << 8) : ((1 << (bit)) >> 8)) +# endif + +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. */ +}; +#endif /* ! _ISbit */ + +/* These are defined in ctype-info.c. + The declarations here must match those in localeinfo.h. + + 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. */ +extern const unsigned short int **__ctype_b_loc (void) + __THROW __attribute__ ((__const__)); +extern const __int32_t **__ctype_tolower_loc (void) + __THROW __attribute__ ((__const__)); +extern const __int32_t **__ctype_toupper_loc (void) + __THROW __attribute__ ((__const__)); + + +#ifndef __cplusplus +# define __isctype(c, type) \ + ((*__ctype_b_loc ())[(int) (c)] & (unsigned short int) type) +#elif defined __USE_EXTERN_INLINES +# define __isctype_f(type) \ + __extern_inline int \ + is##type (int __c) __THROW \ + { \ + return (*__ctype_b_loc ())[(int) (__c)] & (unsigned short int) _IS##type; \ + } +#endif + +#define __isascii(c) (((c) & ~0x7f) == 0) /* If C is a 7 bit value. */ +#define __toascii(c) ((c) & 0x7f) /* Mask off high bits. */ + +#define __exctype(name) extern int name (int) __THROW + +/* 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. */ +__exctype (isalnum); +__exctype (isalpha); +__exctype (iscntrl); +__exctype (isdigit); +__exctype (islower); +__exctype (isgraph); +__exctype (isprint); +__exctype (ispunct); +__exctype (isspace); +__exctype (isupper); +__exctype (isxdigit); + + +/* Return the lowercase version of C. */ +extern int tolower (int __c) __THROW; + +/* Return the uppercase version of C. */ +extern int toupper (int __c) __THROW; + + +/* ISO C99 introduced one new function. */ +#ifdef __USE_ISOC99 +__exctype (isblank); +#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_MISC || defined __USE_XOPEN + +/* Return nonzero iff C is in the ASCII set + (i.e., is no more than 7 bits wide). */ +extern int isascii (int __c) __THROW; + +/* 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; + +/* These are the same as `toupper' and `tolower' except that they do not + check the argument for being in the range of a `char'. */ +__exctype (_toupper); +__exctype (_tolower); +#endif /* Use X/Open or use misc. */ + +/* This code is needed for the optimized mapping functions. */ +#define __tobody(c, f, a, args) \ + (__extension__ \ + ({ int __res; \ + if (sizeof (c) > 1) \ + { \ + if (__builtin_constant_p (c)) \ + { \ + int __c = (c); \ + __res = __c < -128 || __c > 255 ? __c : (a)[__c]; \ + } \ + else \ + __res = f args; \ + } \ + else \ + __res = (a)[(int) (c)]; \ + __res; })) + +#if !defined __NO_CTYPE +# ifdef __isctype_f +__isctype_f (alnum) +__isctype_f (alpha) +__isctype_f (cntrl) +__isctype_f (digit) +__isctype_f (lower) +__isctype_f (graph) +__isctype_f (print) +__isctype_f (punct) +__isctype_f (space) +__isctype_f (upper) +__isctype_f (xdigit) +# ifdef __USE_ISOC99 +__isctype_f (blank) +# endif +# elif defined __isctype +# 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 +# endif + +# ifdef __USE_EXTERN_INLINES +__extern_inline int +__NTH (tolower (int __c)) +{ + return __c >= -128 && __c < 256 ? (*__ctype_tolower_loc ())[__c] : __c; +} + +__extern_inline int +__NTH (toupper (int __c)) +{ + return __c >= -128 && __c < 256 ? (*__ctype_toupper_loc ())[__c] : __c; +} +# endif + +# if __GNUC__ >= 2 && defined __OPTIMIZE__ && !defined __cplusplus +# define tolower(c) __tobody (c, tolower, *__ctype_tolower_loc (), (c)) +# define toupper(c) __tobody (c, toupper, *__ctype_toupper_loc (), (c)) +# endif /* Optimizing gcc */ + +# if defined __USE_MISC || defined __USE_XOPEN +# define isascii(c) __isascii (c) +# define toascii(c) __toascii (c) + +# define _tolower(c) ((int) (*__ctype_tolower_loc ())[(int) (c)]) +# define _toupper(c) ((int) (*__ctype_toupper_loc ())[(int) (c)]) +# endif + +#endif /* Not __NO_CTYPE. */ + + +#ifdef __USE_XOPEN2K8 +/* 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. */ +# define __isctype_l(c, type, locale) \ + ((locale)->__ctype_b[(int) (c)] & (unsigned short int) type) + +# define __exctype_l(name) \ + extern int name (int, __locale_t) __THROW + +/* The following names are all functions: + int isCHARACTERISTIC(int c, locale_t *locale); + which return nonzero iff C has CHARACTERISTIC. + For the meaning of the characteristic names, see the `enum' above. */ +__exctype_l (isalnum_l); +__exctype_l (isalpha_l); +__exctype_l (iscntrl_l); +__exctype_l (isdigit_l); +__exctype_l (islower_l); +__exctype_l (isgraph_l); +__exctype_l (isprint_l); +__exctype_l (ispunct_l); +__exctype_l (isspace_l); +__exctype_l (isupper_l); +__exctype_l (isxdigit_l); + +__exctype_l (isblank_l); + + +/* Return the lowercase version of C in locale L. */ +extern int __tolower_l (int __c, __locale_t __l) __THROW; +extern int tolower_l (int __c, __locale_t __l) __THROW; + +/* Return the uppercase version of C. */ +extern int __toupper_l (int __c, __locale_t __l) __THROW; +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)) +# define tolower_l(c, locale) __tolower_l ((c), (locale)) +# define toupper_l(c, locale) __toupper_l ((c), (locale)) +# endif /* Optimizing gcc */ + + +# 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)) + +# ifdef __USE_MISC +# 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)) + +# ifdef __USE_MISC +# 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 POSIX 2008. */ + +__END_DECLS + +#endif /* ctype.h */ |