1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1996, by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 /* 28 * collate.h 29 * 30 * MKS extension to ANSI/POSIX to retrieve additional locale information. 31 * Specifically collation information. 32 * 33 * Copyright 1989, 1993 by Mortice Kern Systems Inc. All rights reserved. 34 * 35 * $Header: /rd/h/rcs/collate.h 1.16 1993/12/02 21:54:23 mark Exp $ 36 */ 37 #ifndef __COLLATE_H__ 38 #define __COLLATE_H__ 39 40 #include <mks.h> 41 #include <limits.h> 42 43 /* 44 * include prototypes of the MKS i18n routines 45 */ 46 #include <m_collat.h> 47 48 /* 49 * constants and structure definitions used in MKS internal implementation 50 * 51 * -- used by strxfrm(), localedef. 52 */ 53 54 /* string length limitations */ 55 #define _M_COLLATE_MAX 32 /* max length of a collation string */ 56 #define _M_COTOM_MAX 4 /* max length of one to many map */ 57 58 /* forward, backward... -- or'ed into cmode */ 59 #define _M_FORWARD_MODE 1 /* compare based on string forward */ 60 #define _M_BACKWARD_MODE 2 /* compare based on string backward */ 61 #define _M_POSITION_MODE 4 /* consider relative position of non-IGNOREd */ 62 63 /* flags used in cord.cflag */ 64 #define _M_NOCOLLSTR 0 65 #define _M_MANYTOONEF 1 /* Potential many-to-one mapping in forward */ 66 #define _M_MANYTOONEB 2 /* Potential many-to-one mapping in backward */ 67 68 /* typedef's */ 69 typedef short _m_weight_t; 70 71 /* collate database file header */ 72 struct _m_cinfo { 73 int cnstr; /* number of collate strings */ 74 int cnotom; /* number of one to many maps */ 75 int cnweight; /* Number of weights in cmode */ 76 unsigned char cmode[COLL_WEIGHTS_MAX];/* order mode: forward... */ 77 struct _m_cstr *cstr; /* Pointer to collating strs */ 78 struct _m_cord *cord; /* weight tables */ 79 struct _m_cotom *cotom; /* one-to-many mapping tables */ 80 m_collel_t *cindex, /* index to range table map */ 81 *range; /* Range table */ 82 m_collel_t *equivo, /* equiv class offsets */ 83 *cequiv; /* equiv class table */ 84 }; 85 86 /* Per character and per collating-sequence structure */ 87 struct _m_cord { /* order */ 88 unsigned char cflag; /* =1, beginning of a collation string */ 89 _m_weight_t cweight[COLL_WEIGHTS_MAX]; /* relative weight */ 90 }; 91 92 /*l 93 * The _m_cstr structure is per many-to-one mapping (collating element from...) 94 * Pointed at by _m_cinfo.cstr, indexed by (m_collel_t - M_CSETSIZE). 95 * Stored both forwards and backwards to make it easy for strxfrm parsing 96 * for order_start backward. 97 */ 98 struct _m_cstr { /* collating-element */ 99 char csf[_M_COLLATE_MAX]; /* collating string forward */ 100 char csb[_M_COLLATE_MAX]; /* collating string backward */ 101 }; 102 103 /*l 104 * Per one-to-many mapping entry. A cweight entry in the _cord structure 105 * which is negative, will index into this table. 106 * Pointed at by _m_cinfo.cotom. 107 */ 108 struct _m_cotom { /* one to many map */ 109 _m_weight_t weight[_M_COTOM_MAX]; 110 }; 111 112 #ifdef I18N 113 114 extern struct _m_cinfo _m_cinfo; 115 116 #endif /* I18N */ 117 118 #endif /* __COLLATE_H_ */ 119