1 /* $Header: /src/pub/tcsh/tc.nls.h,v 3.9 2005/03/03 15:52:20 kim Exp $ */ 2 /* 3 * tc.nls.h: NLS support 4 * 5 */ 6 /*- 7 * Copyright (c) 1980, 1991 The Regents of the University of California. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 #ifndef _h_tc_nls 35 #define _h_tc_nls 36 37 #include "sh.h" 38 39 #define NLSZEROT ((size_t)-1) 40 41 #ifdef WIDE_STRINGS 42 43 # define NLSSize(s, l) 1 44 # define NLSFrom(s, l, cp) (USE (l), (*(cp) = *(s) & CHAR), 1) 45 # define NLSFinished(s, l, c) (l != 0 && c != CHAR_ERR ? 2 : 1) 46 # define NLSChars(s) Strlen(s) 47 # define NLSQuote(s) 48 # define TRIM_AND_EXTEND(s, c) (c &= TRIM) 49 50 extern int NLSWidth __P((NLSChar)); 51 extern int NLSStringWidth __P((Char *)); 52 53 #define NLS_ILLEGAL INVALID_BYTE 54 55 #else 56 # ifdef SHORT_STRINGS 57 58 extern int NLSFrom __P((const Char *, size_t, NLSChar *)); 59 extern int NLSFinished __P((Char *, size_t, eChar)); 60 extern int NLSChars __P((Char *)); 61 extern int NLSStringWidth __P((Char *)); 62 extern int NLSWidth __P((NLSChar)); 63 extern int NLSTo __P((Char *, NLSChar)); 64 extern void NLSQuote __P((Char *)); 65 66 #define NLSSize(s, l) NLSFrom(s, l, (NLSChar *)0) 67 #define TRIM_AND_EXTEND(s, c) (s += NLSFrom(s - 1, NLSZEROT, &c) - 1) 68 #define NLS_ILLEGAL 0x40000000 69 70 71 # else 72 # define NLSSize(s, l) 1 73 # define NLSFrom(s, l, cp) (USE (l), (*(cp) = *(s) & CHAR), 1) 74 # define NLSFinished(s, l, c) (l != 0 && c != CHAR_ERR ? 2 : 1) 75 # define NLSChars(s) Strlen(s) 76 # define NLSStringWidth(s) Strlen(s) 77 # define NLSWidth(c) 1 78 # define NLSQuote(s) 79 80 # define TRIM_AND_EXTEND(s, c) (c &= TRIM) 81 # define NLS_ILLEGAL 0x40000000 82 # endif 83 #endif 84 85 extern int NLSExtend __P((Char *, int, int)); 86 extern Char *NLSChangeCase __P((Char *, int)); 87 extern int NLSClassify __P((NLSChar, int)); 88 89 #define NLSCLASS_CTRL (-1) 90 #define NLSCLASS_TAB (-2) 91 #define NLSCLASS_NL (-3) 92 #define NLSCLASS_ILLEGAL (-4) 93 #define NLSCLASS_ILLEGAL2 (-5) 94 #define NLSCLASS_ILLEGAL3 (-6) 95 #define NLSCLASS_ILLEGAL4 (-7) 96 97 #define NLSCLASS_ILLEGAL_SIZE(x) (-(x) - (-(NLSCLASS_ILLEGAL) - 1)) 98 99 #endif 100