APG v2.2.0

This commit is contained in:
Adel I. Mirzazhanov
2003-07-28 16:26:03 +07:00
committed by skinc
parent 900ff5ea18
commit df3f864b46
33 changed files with 1655 additions and 386 deletions

38
bloom.h
View File

@@ -1,5 +1,5 @@
/*
** Copyright (c) 2001, 2002
** Copyright (c) 2001, 2002, 2003
** Adel I. Mirzazhanov. All rights reserved
**
** Redistribution and use in source and binary forms, with or without
@@ -38,15 +38,27 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if !defined(WIN32) && !defined(_WIN32) && !defined(__WIN32) && !defined(__WIN32__)
#include <strings.h>
#endif
#include <math.h>
#include "sha/sha.h"
#define FSIZE_BIT(word_count) ((unsigned long int)(5.0/(1.0-pow( 0.84151068, 1.0/((double)word_count)))))
#define FSIZE_BYTE(word_count) ((((unsigned long int)(5.0/(1.0-pow( 0.84151068, 1.0/((double)word_count)))))/8)+1)
#define APGBF_ID "APGBF"
#define APGBF_VERSION "110" /* Version 1.1.0 */
#define APGBFHDRSIZE 12
/* Bloom filter modes flags */
#define BF_CASE_INSENSITIVE 0x01
#define BF_RESERVED1 0x02
#define BF_RESERVED2 0x04
#define BF_RESERVED3 0x08
#define BF_RESERVED4 0x10
#define BF_RESERVED5 0x20
#define BF_RESERVED6 0x40
#define BF_RESERVED7 0x80
#define APGBFHDRSIZE 13
#define TRUE 1
#define FALSE 0
@@ -56,18 +68,24 @@
typedef unsigned long int h_val; /* should be 32-bit */
typedef unsigned short int flag;
typedef unsigned char f_mode;
struct apg_bf_hdr {
char id[8]; /* ID */
unsigned long int fs; /* filter size */
char id[5]; /* filter ID */
char version[3]; /* filter version */
unsigned long int fs; /* filter size */
f_mode mode; /* filter flags */
};
extern int insert_word(char *word, FILE *file, h_val filter_size);
extern int check_word(char *word, FILE *file, h_val filter_size);
extern FILE * create_filter(char * f_name, unsigned long int n_words);
extern int insert_word(char *word, FILE *file, h_val filter_size, f_mode mode);
extern int check_word(char *word, FILE *file, h_val filter_size, f_mode mode);
extern FILE * create_filter(char * f_name, unsigned long int n_words, f_mode mode);
extern FILE * open_filter(char * f_name, const char *mode);
extern int close_filter(FILE *f_dsk);
extern h_val get_filtersize(FILE *f);
extern f_mode get_filtermode(FILE *f);
extern h_val count_words(FILE *dict_file);
#ifdef APGBFM
extern int print_flt_info(FILE * filter);
#endif /* APGBFM */
#endif /* APG_BLOOM_H */