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author | 2021-05-09 14:20:58 -0400 | |
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committer | 2021-05-09 14:20:58 -0400 | |
commit | 5fd83771641d15c418f747bd343ba6738d3875f7 (patch) | |
tree | 5abf0f78f680d9837dbd93d4d4c3933bb7509599 /text_cmds/sort/file.h | |
download | apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.gz apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.zst apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.zip |
Import macOS userland
adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106
Diffstat (limited to 'text_cmds/sort/file.h')
-rw-r--r-- | text_cmds/sort/file.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/text_cmds/sort/file.h b/text_cmds/sort/file.h new file mode 100644 index 0000000..e7a8c94 --- /dev/null +++ b/text_cmds/sort/file.h @@ -0,0 +1,126 @@ +/* $FreeBSD$ */ + +/*- + * 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_MERGESORT +#define DEFAULT_SORT_FUNC mergesort + +/* + * 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; +}; + +/* 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); + +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__ */ |