17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 237c478bd9Sstevel@tonic-gate * Copyright (c) 1996, by Sun Microsystems, Inc. 247c478bd9Sstevel@tonic-gate * All rights reserved. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* 287c478bd9Sstevel@tonic-gate * Copyright 1993 by Mortice Kern Systems Inc. All rights reserved. 297c478bd9Sstevel@tonic-gate * 307c478bd9Sstevel@tonic-gate * $Header: /rd/h/rcs/m_invari.h 1.12 1994/07/06 17:41:39 miked Exp $ 317c478bd9Sstevel@tonic-gate */ 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate /* 34*1da57d55SToomas Soome * m_invari.h: 357c478bd9Sstevel@tonic-gate * Configuration and definitions for support of on systems (e.g EBCDIC) 367c478bd9Sstevel@tonic-gate * where the POSIX.2 portable characters are not invariant 377c478bd9Sstevel@tonic-gate */ 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate #ifndef __M_M_INVARI_H__ 407c478bd9Sstevel@tonic-gate #define __M_M_INVARI_H__ 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate /* 437c478bd9Sstevel@tonic-gate * Are all characters in the portable character set invariant across 447c478bd9Sstevel@tonic-gate * all locales? The results, for posix, if not, are undefined. 457c478bd9Sstevel@tonic-gate * For systems that want to try to deal with this, M_VARIANTS is set. 467c478bd9Sstevel@tonic-gate */ 477c478bd9Sstevel@tonic-gate #ifdef M_VARIANTS 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate extern char __m_invariant[]; 507c478bd9Sstevel@tonic-gate extern char __m_unvariant[]; 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate /* 537c478bd9Sstevel@tonic-gate * The M_INVARIANTINIT macro must be called to initialize: it returns -1 547c478bd9Sstevel@tonic-gate * on memory allocation error. It may be called multiple times, but has 557c478bd9Sstevel@tonic-gate * no effect after the first call. To reinitialize the variant <--> 567c478bd9Sstevel@tonic-gate * invariant tables after a new setlocale(), use M_INVARIANTREINIT(). 577c478bd9Sstevel@tonic-gate * On error, m_error will have been invoked with an appropriate message. 587c478bd9Sstevel@tonic-gate */ 597c478bd9Sstevel@tonic-gate #define M_INVARIANTINIT() m_invariantinit() 607c478bd9Sstevel@tonic-gate extern void m_invariantinit(void); 617c478bd9Sstevel@tonic-gate #define M_INVARIANTREINIT() __m_setinvariant() 627c478bd9Sstevel@tonic-gate extern void __m_setinvariant(void); 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate /* 657c478bd9Sstevel@tonic-gate * Assume wide characters are always ok. 667c478bd9Sstevel@tonic-gate * Otherwise, always indirect thru the narrow un/invariant table. 677c478bd9Sstevel@tonic-gate * INVARIANT takes the character in the current locale, and produces an 687c478bd9Sstevel@tonic-gate * invariant value, equal to that the C compiler would have compiled. 697c478bd9Sstevel@tonic-gate * UNVARIANT is the inverse; it takes what the C compiler would have 707c478bd9Sstevel@tonic-gate * compiled, and returns the value in the current locale. 717c478bd9Sstevel@tonic-gate */ 727c478bd9Sstevel@tonic-gate #define M_INVARIANT(c) (wctob(c) == EOF ? (c) : __m_invariant[c]) 737c478bd9Sstevel@tonic-gate #define M_UNVARIANT(c) (wctob(c) == EOF ? (c) : __m_unvariant[c]) 747c478bd9Sstevel@tonic-gate #define M_UNVARIANTSTR(s) m_unvariantstr(s) 757c478bd9Sstevel@tonic-gate char *m_unvariantstr(char const *); 767c478bd9Sstevel@tonic-gate #define M_WUNVARIANTSTR(ws) m_wunvariantstr(ws) 777c478bd9Sstevel@tonic-gate wchar_t *m_wunvariantstr(wchar_t const *); 787c478bd9Sstevel@tonic-gate 797c478bd9Sstevel@tonic-gate #else /* M_VARIANTS */ 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate /* Normal system */ 827c478bd9Sstevel@tonic-gate #define M_INVARIANTINIT() /* NULL */ 837c478bd9Sstevel@tonic-gate #define M_INVARIANTREINIT() /* NULL */ 847c478bd9Sstevel@tonic-gate #define M_INVARIANT(c) (c) 857c478bd9Sstevel@tonic-gate #define M_UNVARIANT(c) (c) 867c478bd9Sstevel@tonic-gate #define M_UNVARIANTSTR(s) (s) 877c478bd9Sstevel@tonic-gate #define M_WUNVARIANTSTR(ws) (ws) 887c478bd9Sstevel@tonic-gate 897c478bd9Sstevel@tonic-gate #endif /* M_VARIANTS */ 907c478bd9Sstevel@tonic-gate 917c478bd9Sstevel@tonic-gate #endif /*__M_M_INVARI_H__*/ 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate 947c478bd9Sstevel@tonic-gate 95