f4ae49737b
Requested by: Oleg Moskalenko <mom040267@gmail.com>
139 lines
3.7 KiB
C
139 lines
3.7 KiB
C
/* $FreeBSD$ */
|
|
|
|
/*-
|
|
* Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org>
|
|
* Copyright (C) 2012 Oleg Moskalenko <mom040267@gmail.com>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#if !defined(__SORT_FILE_H__)
|
|
#define __SORT_FILE_H__
|
|
|
|
#include "coll.h"
|
|
#include "sort.h"
|
|
|
|
#define SORT_DEFAULT 0
|
|
#define SORT_QSORT 1
|
|
#define SORT_MERGESORT 2
|
|
#define SORT_HEAPSORT 3
|
|
#define SORT_RADIXSORT 4
|
|
|
|
#define DEFAULT_SORT_ALGORITHM SORT_HEAPSORT
|
|
#define DEFAULT_SORT_FUNC heapsort
|
|
|
|
/*
|
|
* List of data to be sorted.
|
|
*/
|
|
struct sort_list
|
|
{
|
|
struct sort_list_item **list;
|
|
unsigned long long memsize;
|
|
size_t count;
|
|
size_t size;
|
|
size_t sub_list_pos;
|
|
};
|
|
|
|
/*
|
|
* File reader object
|
|
*/
|
|
struct file_reader;
|
|
|
|
/*
|
|
* List of files to be sorted
|
|
*/
|
|
struct file_list
|
|
{
|
|
char **fns;
|
|
size_t count;
|
|
size_t sz;
|
|
bool tmp;
|
|
};
|
|
|
|
/*
|
|
* Structure for zero-separated file reading (for input files list)
|
|
*/
|
|
struct file0_reader
|
|
{
|
|
char *current_line;
|
|
FILE *f;
|
|
size_t current_sz;
|
|
};
|
|
|
|
/* memory */
|
|
|
|
/**/
|
|
|
|
extern unsigned long long free_memory;
|
|
extern unsigned long long available_free_memory;
|
|
|
|
/* Are we using mmap ? */
|
|
extern bool use_mmap;
|
|
|
|
/* temporary file dir */
|
|
|
|
extern const char *tmpdir;
|
|
|
|
/*
|
|
* Max number of simultaneously open files (including the output file).
|
|
*/
|
|
extern size_t max_open_files;
|
|
|
|
/*
|
|
* Compress program
|
|
*/
|
|
extern const char* compress_program;
|
|
|
|
/* funcs */
|
|
|
|
struct file_reader *file_reader_init(const char *fsrc);
|
|
struct bwstring *file_reader_readline(struct file_reader *fr);
|
|
void file_reader_free(struct file_reader *fr);
|
|
|
|
char *read_file0_line(struct file0_reader *f0r);
|
|
|
|
void init_tmp_files(void);
|
|
void clear_tmp_files(void);
|
|
char *new_tmp_file_name(void);
|
|
void tmp_file_atexit(const char *tmp_file);
|
|
|
|
void file_list_init(struct file_list *fl, bool tmp);
|
|
void file_list_add(struct file_list *fl, char *fn, bool allocate);
|
|
void file_list_populate(struct file_list *fl, int argc, char **argv, bool allocate);
|
|
void file_list_clean(struct file_list *fl);
|
|
|
|
int check(const char *);
|
|
void merge_files(struct file_list *fl, const char *fn_out);
|
|
FILE *openfile(const char *, const char *);
|
|
void closefile(FILE *, const char *);
|
|
int procfile(const char *fn, struct sort_list *list, struct file_list *fl);
|
|
|
|
void sort_list_init(struct sort_list *l);
|
|
void sort_list_add(struct sort_list *l, struct bwstring *str);
|
|
void sort_list_clean(struct sort_list *l);
|
|
void sort_list_dump(struct sort_list *l, const char *fn);
|
|
|
|
void sort_list_to_file(struct sort_list *list, const char *outfile);
|
|
|
|
#endif /* __SORT_FILE_H__ */
|