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 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright 1999, 2003 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 /* inverted index definitions */ 34 35 /* postings temporary file long number coding into characters */ 36 #define BASE 95 /* 127 - ' ' */ 37 #define PRECISION 5 /* maximum digits after converting a long */ 38 39 /* inverted index access parameters */ 40 #define INVAVAIL 0 41 #define INVBUSY 1 42 #define INVALONE 2 43 44 /* boolean set operations */ 45 #define OR 3 46 #define AND 4 47 #define NOT 5 48 #define REVERSENOT 6 49 50 /* note that the entire first block is for parameters */ 51 typedef struct { 52 long version; /* inverted index format version */ 53 long filestat; /* file status word */ 54 long sizeblk; /* size of logical block in bytes */ 55 long startbyte; /* first byte of superfinger */ 56 long supsize; /* size of superfinger in bytes */ 57 long cntlsize; /* size of max cntl space (should be a */ 58 /* multiple of BUFSIZ) */ 59 long share; /* flag whether to use shared memory */ 60 } PARAM; 61 62 typedef struct { 63 FILE *invfile; /* the inverted file ptr */ 64 FILE *postfile; /* posting file ptr */ 65 PARAM param; /* control parameters for the file */ 66 char *iindex; /* ptr to space for superindex */ 67 char *logblk; /* ptr to space for a logical block */ 68 long numblk; /* number of block presently at *logblk */ 69 long keypnt; /* number item in present block found */ 70 int swap; /* file endian mistmatch? */ 71 } INVCONTROL; 72 73 typedef struct { 74 short offset; /* offset in this logical block */ 75 unsigned char size; /* size of term */ 76 unsigned char space; /* number of longs of growth space */ 77 long post; /* number of postings for this entry */ 78 } ENTRY; 79 80 typedef struct { 81 long lineoffset; /* source line database offset */ 82 long fcnoffset; /* function name database offset */ 83 long fileindex : 24; /* source file name index */ 84 long type : 8; /* reference type (mark character) */ 85 } POSTING; 86 87 extern long *srcoffset; /* source file name database offsets */ 88 extern int nsrcoffset; /* number of file name database offsets */ 89 90 extern void boolclear(void); 91 extern POSTING *boolfile(INVCONTROL *invcntl, long *num, int bool); 92 extern void invclose(INVCONTROL *invcntl); 93 extern long invfind(INVCONTROL *invcntl, char *searchterm); 94 extern int invforward(INVCONTROL *invcntl); 95 extern int invopen(INVCONTROL *invcntl, char *invname, char *invpost, 96 int stat); 97 extern int invterm(INVCONTROL *invcntl, char *term); 98 extern long invmake(char *invname, char *invpost, FILE *infile); 99