1 /* $OpenBSD: char.h,v 1.4 2003/06/02 23:32:06 millert Exp $ */ 2 /* $NetBSD: char.h,v 1.6 1995/03/21 09:02:29 cgd Exp $ */ 3 4 /*- 5 * Copyright (c) 1980, 1991, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)char.h 8.1 (Berkeley) 5/31/93 33 */ 34 35 #include <ctype.h> 36 37 extern unsigned short _cmap[]; 38 39 #ifndef NLS 40 extern unsigned char _cmap_lower[], _cmap_upper[]; 41 42 #endif 43 44 #define _QF 0x0001 /* '" (Forward quotes) */ 45 #define _QB 0x0002 /* ` (Backquote) */ 46 #define _SP 0x0004 /* space and tab */ 47 #define _NL 0x0008 /* \n */ 48 #define _META 0x0010 /* lex meta characters, sp #'`";&<>()|\t\n */ 49 #define _GLOB 0x0020 /* glob characters, *?{[` */ 50 #define _ESC 0x0040 /* \ */ 51 #define _DOL 0x0080 /* $ */ 52 #define _DIG 0x0100 /* 0-9 */ 53 #define _LET 0x0200 /* a-z, A-Z, _ */ 54 #define _UP 0x0400 /* A-Z */ 55 #define _LOW 0x0800 /* a-z */ 56 #define _XD 0x1000 /* 0-9, a-f, A-F */ 57 #define _CMD 0x2000 /* lex end of command chars, ;&(|` */ 58 #define _CTR 0x4000 /* control */ 59 60 #define cmap(c, bits) \ 61 (((c) & QUOTE) ? 0 : (_cmap[(unsigned char)(c)] & (bits))) 62 63 #define isglob(c) cmap(c, _GLOB) 64 #define isspc(c) cmap(c, _SP) 65 #define ismeta(c) cmap(c, _META) 66 #define iscmdmeta(c) cmap(c, _CMD) 67 #define letter(c) (((c) & QUOTE) ? 0 : \ 68 (isalpha((unsigned char) (c)) || (c) == '_')) 69 #define alnum(c) (((c) & QUOTE) ? 0 : \ 70 (isalnum((unsigned char) (c)) || (c) == '_')) 71 #ifdef NLS 72 #define Isspace(c) (((c) & QUOTE) ? 0 : isspace((unsigned char) (c))) 73 #define Isdigit(c) (((c) & QUOTE) ? 0 : isdigit((unsigned char) (c))) 74 #define Isalpha(c) (((c) & QUOTE) ? 0 : isalpha((unsigned char) (c))) 75 #define Islower(c) (((c) & QUOTE) ? 0 : islower((unsigned char) (c))) 76 #define Isupper(c) (((c) & QUOTE) ? 0 : isupper((unsigned char) (c))) 77 #define Tolower(c) (((c) & QUOTE) ? 0 : tolower((unsigned char) (c))) 78 #define Toupper(c) (((c) & QUOTE) ? 0 : toupper((unsigned char) (c))) 79 #define Isxdigit(c) (((c) & QUOTE) ? 0 : isxdigit((unsigned char) (c))) 80 #define Isalnum(c) (((c) & QUOTE) ? 0 : isalnum((unsigned char) (c))) 81 #define Iscntrl(c) (((c) & QUOTE) ? 0 : iscntrl((unsigned char) (c))) 82 #define Isprint(c) (((c) & QUOTE) ? 0 : isprint((unsigned char) (c))) 83 #else 84 #define Isspace(c) cmap(c, _SP|_NL) 85 #define Isdigit(c) cmap(c, _DIG) 86 #define Isalpha(c) (cmap(c,_LET) && !(((c) & META) && AsciiOnly)) 87 #define Islower(c) (cmap(c,_LOW) && !(((c) & META) && AsciiOnly)) 88 #define Isupper(c) (cmap(c, _UP) && !(((c) & META) && AsciiOnly)) 89 #define Tolower(c) (_cmap_lower[(unsigned char)(c)]) 90 #define Toupper(c) (_cmap_upper[(unsigned char)(c)]) 91 #define Isxdigit(c) cmap(c, _XD) 92 #define Isalnum(c) (cmap(c, _DIG|_LET) && !(((c) & META) && AsciiOnly)) 93 #define Iscntrl(c) (cmap(c,_CTR) && !(((c) & META) && AsciiOnly)) 94 #define Isprint(c) (!cmap(c,_CTR) && !(((c) & META) && AsciiOnly)) 95 #endif 96