1/*	$OpenBSD: sort.h,v 1.10 2015/12/31 16:09:31 millert Exp $	*/
2
3/*-
4 * Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org>
5 * Copyright (C) 2012 Oleg Moskalenko <mom040267@gmail.com>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#if !defined(__BSD_SORT_H__)
31#define	__BSD_SORT_H__
32
33#include <errno.h>
34#include <stdbool.h>
35#include <stdio.h>
36#include <wchar.h>
37
38#include <sys/types.h>
39#include <md5.h>
40
41#define	VERSION	"2.3-OpenBSD"
42
43/*
44 * If true, we output some debug information.
45 */
46extern bool debug_sort;
47
48/*
49 * MD5 context for random hash function
50 */
51extern MD5_CTX md5_ctx;
52
53/*
54 * sort.c
55 */
56
57/*
58 * This structure holds main sort options which are NOT affecting the sort ordering.
59 */
60struct sort_opts {
61	wint_t		field_sep;
62	int		sort_method;
63	bool		cflag;
64	bool		csilentflag;
65	bool		kflag;
66	bool		mflag;
67	bool		sflag;
68	bool		uflag;
69	bool		zflag;
70	bool		tflag;
71	bool		complex_sort;
72};
73
74/*
75 * Key value structure forward declaration
76 */
77struct key_value;
78
79/*
80 * Cmp function
81 */
82typedef int (*cmpcoll_t)(struct key_value *kv1, struct key_value *kv2, size_t offset);
83
84/*
85 * This structure holds "sort modifiers" - options which are affecting the sort ordering.
86 */
87struct sort_mods {
88	cmpcoll_t	func;
89	bool		bflag;
90	bool		dflag;
91	bool		fflag;
92	bool		gflag;
93	bool		iflag;
94	bool		Mflag;
95	bool		nflag;
96	bool		rflag;
97	bool		Rflag;
98	bool		Vflag;
99	bool		hflag;
100};
101
102extern bool need_hint;
103
104extern struct sort_opts sort_opts_vals;
105
106extern struct sort_mods * const default_sort_mods;
107
108#endif /* __BSD_SORT_H__ */
109