usr.bin/sort/sort.h

   1 /*      $FreeBSD: head/usr.bin/sort/sort.h 264744 2014-04-21 22:52:18Z pfg $    */
   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 <sysexits.h>
  37 #include <wchar.h>
  38
  39 #include <sys/types.h>
  40 #include <md5.h>
  41
  42 #define VERSION "2.3-FreeBSD"
  43
  44 #ifdef WITHOUT_NLS
  45 #define getstr(n)        nlsstr[n]
  46 #else
  47 #include <nl_types.h>
  48
  49 extern nl_catd catalog;
  50 #define getstr(n)        catgets(catalog, 1, n, nlsstr[n])
  51 #endif
  52
  53 extern const char *nlsstr[];
  54
  55 #if defined(SORT_THREADS)
  56 #define MT_SORT_THRESHOLD (10000)
  57 extern unsigned int ncpu;
  58 extern size_t nthreads;
  59 #endif
  60
  61 /*
  62  * If true, we output some debug information.
  63  */
  64 extern bool debug_sort;
  65
  66 /*
  67  * MD5 context for random hash function
  68  */
  69 extern MD5_CTX md5_ctx;
  70
  71 /*
  72  * sort.c
  73  */
  74
  75 /*
  76  * This structure holds main sort options which are NOT affecting the sort ordering.
  77  */
  78 struct sort_opts
  79 {
  80         wint_t          field_sep;
  81         int             sort_method;
  82         bool            cflag;
  83         bool            csilentflag;
  84         bool            kflag;
  85         bool            mflag;
  86         bool            sflag;
  87         bool            uflag;
  88         bool            zflag;
  89         bool            tflag;
  90         bool            complex_sort;
  91 };
  92
  93 /*
  94  * Key value structure forward declaration
  95  */
  96 struct key_value;
  97
  98 /*
  99  * Cmp function
 100  */
 101 typedef int (*cmpcoll_t)(struct key_value *kv1, struct key_value *kv2, size_t offset);
 102
 103 /*
 104  * This structure holds "sort modifiers" - options which are affecting the sort ordering.
 105  */
 106 struct sort_mods
 107 {
 108         cmpcoll_t       func;
 109         bool            bflag;
 110         bool            dflag;
 111         bool            fflag;
 112         bool            gflag;
 113         bool            iflag;
 114         bool            Mflag;
 115         bool            nflag;
 116         bool            rflag;
 117         bool            Rflag;
 118         bool            Vflag;
 119         bool            hflag;
 120 };
 121
 122 extern bool need_hint;
 123
 124 extern struct sort_opts sort_opts_vals;
 125
 126 extern struct sort_mods * const default_sort_mods;
 127
 128 #endif /* __BSD_SORT_H__ */