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97 lines
4.3 KiB
C
97 lines
4.3 KiB
C
/*-
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* Copyright (c) 1980, 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)char.h 8.1 (Berkeley) 5/31/93
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*/
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#include <ctype.h>
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extern unsigned short _cmap[];
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#ifndef NLS
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extern unsigned char _cmap_lower[], _cmap_upper[];
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#endif
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#define _QF 0x0001 /* '" (Forward quotes) */
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#define _QB 0x0002 /* ` (Backquote) */
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#define _SP 0x0004 /* space and tab */
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#define _NL 0x0008 /* \n */
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#define _META 0x0010 /* lex meta characters, sp #'`";&<>()|\t\n */
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#define _GLOB 0x0020 /* glob characters, *?{[` */
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#define _ESC 0x0040 /* \ */
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#define _DOL 0x0080 /* $ */
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#define _DIG 0x0100 /* 0-9 */
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#define _LET 0x0200 /* a-z, A-Z, _ */
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#define _UP 0x0400 /* A-Z */
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#define _LOW 0x0800 /* a-z */
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#define _XD 0x1000 /* 0-9, a-f, A-F */
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#define _CMD 0x2000 /* lex end of command chars, ;&(|` */
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#define _CTR 0x4000 /* control */
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#define cmap(c, bits) \
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(((c) & QUOTE) ? 0 : (_cmap[(unsigned char)(c)] & (bits)))
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#define isglob(c) cmap(c, _GLOB)
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#define isspc(c) cmap(c, _SP)
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#define ismeta(c) cmap(c, _META)
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#define iscmdmeta(c) cmap(c, _CMD)
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#define letter(c) (((c) & QUOTE) ? 0 : \
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(isalpha((unsigned char) (c)) || (c) == '_'))
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#define alnum(c) (((c) & QUOTE) ? 0 : \
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(isalnum((unsigned char) (c)) || (c) == '_'))
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#ifdef NLS
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#define Isspace(c) (((c) & QUOTE) ? 0 : isspace((unsigned char) (c)))
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#define Isdigit(c) (((c) & QUOTE) ? 0 : isdigit((unsigned char) (c)))
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#define Isalpha(c) (((c) & QUOTE) ? 0 : isalpha((unsigned char) (c)))
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#define Islower(c) (((c) & QUOTE) ? 0 : islower((unsigned char) (c)))
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#define Isupper(c) (((c) & QUOTE) ? 0 : isupper((unsigned char) (c)))
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#define Tolower(c) (((c) & QUOTE) ? 0 : tolower((unsigned char) (c)))
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#define Toupper(c) (((c) & QUOTE) ? 0 : toupper((unsigned char) (c)))
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#define Isxdigit(c) (((c) & QUOTE) ? 0 : isxdigit((unsigned char) (c)))
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#define Isalnum(c) (((c) & QUOTE) ? 0 : isalnum((unsigned char) (c)))
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#define Iscntrl(c) (((c) & QUOTE) ? 0 : iscntrl((unsigned char) (c)))
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#define Isprint(c) (((c) & QUOTE) ? 0 : isprint((unsigned char) (c)))
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#else
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#define Isspace(c) cmap(c, _SP|_NL)
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#define Isdigit(c) cmap(c, _DIG)
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#define Isalpha(c) (cmap(c,_LET) && !(((c) & META) && AsciiOnly))
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#define Islower(c) (cmap(c,_LOW) && !(((c) & META) && AsciiOnly))
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#define Isupper(c) (cmap(c, _UP) && !(((c) & META) && AsciiOnly))
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#define Tolower(c) (_cmap_lower[(unsigned char)(c)])
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#define Toupper(c) (_cmap_upper[(unsigned char)(c)])
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#define Isxdigit(c) cmap(c, _XD)
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#define Isalnum(c) (cmap(c, _DIG|_LET) && !(((c) & META) && AsciiOnly))
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#define Iscntrl(c) (cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
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#define Isprint(c) (!cmap(c,_CTR) && !(((c) & META) && AsciiOnly))
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#endif
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