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Diffstat (limited to 'include/_ctype.h')
| -rw-r--r-- | include/_ctype.h | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/include/_ctype.h b/include/_ctype.h new file mode 100644 index 0000000..7d6fa79 --- /dev/null +++ b/include/_ctype.h @@ -0,0 +1,228 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * (c) UNIX System Laboratories, Inc. + * All or some portions of this file are derived from material licensed + * to the University of California by American Telephone and Telegraph + * Co. or Unix System Laboratories, Inc. and are reproduced herein with + * the permission of UNIX System Laboratories, Inc. + * + * This code is derived from software contributed to Berkeley by + * Paul Borman at Krystal Technologies. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ctype.h 8.4 (Berkeley) 1/21/94 + * $FreeBSD$ + */ + +#ifndef _CTYPE_H_ +#define _CTYPE_H_ + +#include <sys/cdefs.h> +#include <sys/_types.h> + +#define _CTYPE_A 0x00000100L /* Alpha */ +#define _CTYPE_C 0x00000200L /* Control */ +#define _CTYPE_D 0x00000400L /* Digit */ +#define _CTYPE_G 0x00000800L /* Graph */ +#define _CTYPE_L 0x00001000L /* Lower */ +#define _CTYPE_P 0x00002000L /* Punct */ +#define _CTYPE_S 0x00004000L /* Space */ +#define _CTYPE_U 0x00008000L /* Upper */ +#define _CTYPE_X 0x00010000L /* X digit */ +#define _CTYPE_B 0x00020000L /* Blank */ +#define _CTYPE_R 0x00040000L /* Print */ +#define _CTYPE_I 0x00080000L /* Ideogram */ +#define _CTYPE_T 0x00100000L /* Special */ +#define _CTYPE_Q 0x00200000L /* Phonogram */ +#define _CTYPE_SW0 0x20000000L /* 0 width character */ +#define _CTYPE_SW1 0x40000000L /* 1 width character */ +#define _CTYPE_SW2 0x80000000L /* 2 width character */ +#define _CTYPE_SW3 0xc0000000L /* 3 width character */ + +__BEGIN_DECLS +int isalnum(int); +int isalpha(int); +int iscntrl(int); +int isdigit(int); +int isgraph(int); +int islower(int); +int isprint(int); +int ispunct(int); +int isspace(int); +int isupper(int); +int isxdigit(int); +int tolower(int); +int toupper(int); + +#if __XSI_VISIBLE +int _tolower(int); +int _toupper(int); +int isascii(int); +int toascii(int); +#endif + +#if __BSD_VISIBLE +int digittoint(int); +int isblank(int); +int ishexnumber(int); +int isideogram(int); +int isnumber(int); +int isphonogram(int); +int isrune(int); +int isspecial(int); +#endif +__END_DECLS + +#define isalnum(c) __istype((c), _CTYPE_A|_CTYPE_D) +#define isalpha(c) __istype((c), _CTYPE_A) +#define iscntrl(c) __istype((c), _CTYPE_C) +#define isdigit(c) __isctype((c), _CTYPE_D) /* ANSI -- locale independent */ +#define isgraph(c) __istype((c), _CTYPE_G) +#define islower(c) __istype((c), _CTYPE_L) +#define isprint(c) __istype((c), _CTYPE_R) +#define ispunct(c) __istype((c), _CTYPE_P) +#define isspace(c) __istype((c), _CTYPE_S) +#define isupper(c) __istype((c), _CTYPE_U) +#define isxdigit(c) __isctype((c), _CTYPE_X) /* ANSI -- locale independent */ +#define tolower(c) __tolower(c) +#define toupper(c) __toupper(c) + +#if __XSI_VISIBLE +/* + * POSIX.1-2001 specifies _tolower() and _toupper() to be macros equivalent to + * tolower() and toupper() respectively, minus extra checking to ensure that + * the argument is a lower or uppercase letter respectively. We've chosen to + * implement these macros with the same error checking as tolower() and + * toupper() since this doesn't violate the specification itself, only its + * intent. We purposely leave _tolower() and _toupper() undocumented to + * discourage their use. + * + * XXX isascii() and toascii() should similarly be undocumented. + */ +#define _tolower(c) __tolower(c) +#define _toupper(c) __toupper(c) +#define isascii(c) (((c) & ~0x7F) == 0) +#define toascii(c) ((c) & 0x7F) +#endif + +#if __BSD_VISIBLE +#define digittoint(c) __maskrune((c), 0xFF) +#define isblank(c) __istype((c), _CTYPE_B) +#define ishexnumber(c) __istype((c), _CTYPE_X) +#define isideogram(c) __istype((c), _CTYPE_I) +#define isnumber(c) __istype((c), _CTYPE_D) +#define isphonogram(c) __istype((c), _CTYPE_Q) +#define isrune(c) __istype((c), 0xFFFFFF00L) +#define isspecial(c) __istype((c), _CTYPE_T) +#endif + +/* See comments in <sys/_types.h> about __ct_rune_t. */ +__BEGIN_DECLS +unsigned long ___runetype(__ct_rune_t); +__ct_rune_t ___tolower(__ct_rune_t); +__ct_rune_t ___toupper(__ct_rune_t); +__END_DECLS + +/* + * _EXTERNALIZE_CTYPE_INLINES_ is defined in locale/nomacros.c to tell us + * to generate code for extern versions of all our inline functions. + */ +#ifdef _EXTERNALIZE_CTYPE_INLINES_ +#define _USE_CTYPE_INLINE_ +#define static +#define __inline +#endif + +/* + * <runetype.h> brings namespace pollution (struct member names). This prevents + * us from using the inline optimizations in the more strict __POSIX_VISIBLE and + * __XSI_VISIBLE namespaces. To fix this properly would require that we rename + * member names of long-standing structs, or something equally evil. + */ +#if !__BSD_VISIBLE && !defined(_USE_CTYPE_INLINE_) && \ + !defined(_DONT_USE_CTYPE_INLINE_) +#define _DONT_USE_CTYPE_INLINE_ +#endif + +/* + * Use inline functions if we are allowed to and the compiler supports them. + */ +#if !defined(_DONT_USE_CTYPE_INLINE_) && \ + (defined(_USE_CTYPE_INLINE_) || defined(__GNUC__) || defined(__cplusplus)) + +#include <runetype.h> + +static __inline int +__maskrune(__ct_rune_t _c, unsigned long _f) +{ + return ((_c < 0 || _c >= _CACHED_RUNES) ? ___runetype(_c) : + _CurrentRuneLocale->runetype[_c]) & _f; +} + +static __inline int +__istype(__ct_rune_t _c, unsigned long _f) +{ + return (!!__maskrune(_c, _f)); +} + +static __inline int +__isctype(__ct_rune_t _c, unsigned long _f) +{ + return (_c < 0 || _c >= _CACHED_RUNES) ? 0 : + !!(_DefaultRuneLocale.runetype[_c] & _f); +} + +static __inline __ct_rune_t +__toupper(__ct_rune_t _c) +{ + return (_c < 0 || _c >= _CACHED_RUNES) ? ___toupper(_c) : + _CurrentRuneLocale->mapupper[_c]; +} + +static __inline __ct_rune_t +__tolower(__ct_rune_t _c) +{ + return (_c < 0 || _c >= _CACHED_RUNES) ? ___tolower(_c) : + _CurrentRuneLocale->maplower[_c]; +} + +#else /* not using inlines */ + +__BEGIN_DECLS +int __maskrune(__ct_rune_t, unsigned long); +int __istype(__ct_rune_t, unsigned long); +int __isctype(__ct_rune_t, unsigned long); +__ct_rune_t __toupper(__ct_rune_t); +__ct_rune_t __tolower(__ct_rune_t); +__END_DECLS +#endif /* using inlines */ + +#endif /* !_CTYPE_H_ */ |
