1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1996, by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * Copyright 1993 by Mortice Kern Systems Inc. All rights reserved. 31*0Sstevel@tonic-gate * 32*0Sstevel@tonic-gate * $Header: /rd/h/rcs/m_invari.h 1.12 1994/07/06 17:41:39 miked Exp $ 33*0Sstevel@tonic-gate */ 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate /* 36*0Sstevel@tonic-gate * m_invari.h: 37*0Sstevel@tonic-gate * Configuration and definitions for support of on systems (e.g EBCDIC) 38*0Sstevel@tonic-gate * where the POSIX.2 portable characters are not invariant 39*0Sstevel@tonic-gate */ 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate #ifndef __M_M_INVARI_H__ 42*0Sstevel@tonic-gate #define __M_M_INVARI_H__ 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate /* 45*0Sstevel@tonic-gate * Are all characters in the portable character set invariant across 46*0Sstevel@tonic-gate * all locales? The results, for posix, if not, are undefined. 47*0Sstevel@tonic-gate * For systems that want to try to deal with this, M_VARIANTS is set. 48*0Sstevel@tonic-gate */ 49*0Sstevel@tonic-gate #ifdef M_VARIANTS 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate extern char __m_invariant[]; 52*0Sstevel@tonic-gate extern char __m_unvariant[]; 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate /* 55*0Sstevel@tonic-gate * The M_INVARIANTINIT macro must be called to initialize: it returns -1 56*0Sstevel@tonic-gate * on memory allocation error. It may be called multiple times, but has 57*0Sstevel@tonic-gate * no effect after the first call. To reinitialize the variant <--> 58*0Sstevel@tonic-gate * invariant tables after a new setlocale(), use M_INVARIANTREINIT(). 59*0Sstevel@tonic-gate * On error, m_error will have been invoked with an appropriate message. 60*0Sstevel@tonic-gate */ 61*0Sstevel@tonic-gate #define M_INVARIANTINIT() m_invariantinit() 62*0Sstevel@tonic-gate extern void m_invariantinit(void); 63*0Sstevel@tonic-gate #define M_INVARIANTREINIT() __m_setinvariant() 64*0Sstevel@tonic-gate extern void __m_setinvariant(void); 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate /* 67*0Sstevel@tonic-gate * Assume wide characters are always ok. 68*0Sstevel@tonic-gate * Otherwise, always indirect thru the narrow un/invariant table. 69*0Sstevel@tonic-gate * INVARIANT takes the character in the current locale, and produces an 70*0Sstevel@tonic-gate * invariant value, equal to that the C compiler would have compiled. 71*0Sstevel@tonic-gate * UNVARIANT is the inverse; it takes what the C compiler would have 72*0Sstevel@tonic-gate * compiled, and returns the value in the current locale. 73*0Sstevel@tonic-gate */ 74*0Sstevel@tonic-gate #define M_INVARIANT(c) (wctob(c) == EOF ? (c) : __m_invariant[c]) 75*0Sstevel@tonic-gate #define M_UNVARIANT(c) (wctob(c) == EOF ? (c) : __m_unvariant[c]) 76*0Sstevel@tonic-gate #define M_UNVARIANTSTR(s) m_unvariantstr(s) 77*0Sstevel@tonic-gate char *m_unvariantstr(char const *); 78*0Sstevel@tonic-gate #define M_WUNVARIANTSTR(ws) m_wunvariantstr(ws) 79*0Sstevel@tonic-gate wchar_t *m_wunvariantstr(wchar_t const *); 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate #else /* M_VARIANTS */ 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate /* Normal system */ 84*0Sstevel@tonic-gate #define M_INVARIANTINIT() /* NULL */ 85*0Sstevel@tonic-gate #define M_INVARIANTREINIT() /* NULL */ 86*0Sstevel@tonic-gate #define M_INVARIANT(c) (c) 87*0Sstevel@tonic-gate #define M_UNVARIANT(c) (c) 88*0Sstevel@tonic-gate #define M_UNVARIANTSTR(s) (s) 89*0Sstevel@tonic-gate #define M_WUNVARIANTSTR(ws) (ws) 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate #endif /* M_VARIANTS */ 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate #endif /*__M_M_INVARI_H__*/ 94*0Sstevel@tonic-gate 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate 97