1 /*- 2 * Copyright (c) 1980, 1991 The Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)char.h 5.6 (Berkeley) 6/4/91 34 */ 35 36 #include <ctype.h> 37 38 extern unsigned short _cmap[]; 39 40 #ifndef NLS 41 extern unsigned char _cmap_lower[], _cmap_upper[]; 42 43 #endif 44 45 #define _Q 0x0001 /* '" */ 46 #define _Q1 0x0002 /* ` */ 47 #define _SP 0x0004 /* space and tab */ 48 #define _NL 0x0008 /* \n */ 49 #define _META 0x0010 /* lex meta characters, sp #'`";&<>()|\t\n */ 50 #define _GLOB 0x0020 /* glob characters, *?{[` */ 51 #define _ESC 0x0040 /* \ */ 52 #define _DOL 0x0080 /* $ */ 53 #define _DIG 0x0100 /* 0-9 */ 54 #define _LET 0x0200 /* a-z, A-Z, _ */ 55 #define _UP 0x0400 /* A-Z */ 56 #define _LOW 0x0800 /* a-z */ 57 #define _XD 0x1000 /* 0-9, a-f, A-F */ 58 #define _CMD 0x2000 /* lex end of command chars, ;&(|` */ 59 #define _CTR 0x4000 /* control */ 60 61 #define cmap(c, bits) \ 62 (((c) & QUOTE) ? 0 : (_cmap[(unsigned char)(c)] & (bits))) 63 64 #define isglob(c) cmap(c, _GLOB) 65 #define isspc(c) cmap(c, _SP) 66 #define ismeta(c) cmap(c, _META) 67 #define iscmdmeta(c) cmap(c, _CMD) 68 #define letter(c) (((c) & QUOTE) ? 0 : \ 69 (isalpha((unsigned char) (c)) || (c) == '_')) 70 #define alnum(c) (((c) & QUOTE) ? 0 : \ 71 (isalnum((unsigned char) (c)) || (c) == '_')) 72 #ifdef NLS 73 #define Isspace(c) (((c) & QUOTE) ? 0 : isspace((unsigned char) (c))) 74 #define Isdigit(c) (((c) & QUOTE) ? 0 : isdigit((unsigned char) (c))) 75 #define Isalpha(c) (((c) & QUOTE) ? 0 : isalpha((unsigned char) (c))) 76 #define Islower(c) (((c) & QUOTE) ? 0 : islower((unsigned char) (c))) 77 #define Isupper(c) (((c) & QUOTE) ? 0 : isupper((unsigned char) (c))) 78 #define Tolower(c) (((c) & QUOTE) ? 0 : tolower((unsigned char) (c))) 79 #define Toupper(c) (((c) & QUOTE) ? 0 : toupper((unsigned char) (c))) 80 #define Isxdigit(c) (((c) & QUOTE) ? 0 : isxdigit((unsigned char) (c))) 81 #define Isalnum(c) (((c) & QUOTE) ? 0 : isalnum((unsigned char) (c))) 82 #define Iscntrl(c) (((c) & QUOTE) ? 0 : iscntrl((unsigned char) (c))) 83 #define Isprint(c) (((c) & QUOTE) ? 0 : isprint((unsigned char) (c))) 84 #else 85 #define Isspace(c) cmap(c, _SP|_NL) 86 #define Isdigit(c) cmap(c, _DIG) 87 #define Isalpha(c) (cmap(c,_LET) && !(((c) & META) && AsciiOnly)) 88 #define Islower(c) (cmap(c,_LOW) && !(((c) & META) && AsciiOnly)) 89 #define Isupper(c) (cmap(c, _UP) && !(((c) & META) && AsciiOnly)) 90 #define Tolower(c) (_cmap_lower[(unsigned char)(c)]) 91 #define Toupper(c) (_cmap_upper[(unsigned char)(c)]) 92 #define Isxdigit(c) cmap(c, _XD) 93 #define Isalnum(c) (cmap(c, _DIG|_LET) && !(((c) & META) && AsciiOnly)) 94 #define Iscntrl(c) (cmap(c,_CTR) && !(((c) & META) && AsciiOnly)) 95 #define Isprint(c) (!cmap(c,_CTR) && !(((c) & META) && AsciiOnly)) 96 #endif 97