1 2 /*- 3 * SPDX-License-Identifier: BSD-2-Clause 4 * 5 * Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org> 6 * Copyright (C) 2012 Oleg Moskalenko <mom040267@gmail.com> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #if !defined(__BWSTRING_H__) 32 #define __BWSTRING_H__ 33 34 #include <stdbool.h> 35 #include <stdio.h> 36 #include <errno.h> 37 #include <sysexits.h> 38 #include <wchar.h> 39 40 #include "sort.h" 41 #include "mem.h" 42 43 extern bool byte_sort; 44 45 /* wchar_t is of 4 bytes: */ 46 #define SIZEOF_WCHAR_STRING(LEN) ((LEN)*sizeof(wchar_t)) 47 48 struct wstr { 49 size_t len; 50 wchar_t str[]; 51 }; 52 53 struct cstr { 54 size_t len; 55 char str[]; 56 }; 57 58 /* 59 * Binary "wide" string 60 */ 61 struct bwstring 62 { 63 union { 64 struct wstr wdata; 65 struct cstr cdata; 66 }; 67 }; 68 69 typedef void *bwstring_iterator; 70 71 #define BWSLEN(s) ((mb_cur_max == 1) ? (s)->cdata.len : (s)->wdata.len) 72 struct bwstring *bwsalloc(size_t sz); 73 74 size_t bwsrawlen(const struct bwstring *bws); 75 const void* bwsrawdata(const struct bwstring *bws); 76 void bws_setlen(struct bwstring *bws, size_t newlen); 77 size_t bws_memsize(const struct bwstring *bws); 78 double bwstod(struct bwstring *s0, bool *empty); 79 int bws_month_score(const struct bwstring *s0); 80 81 struct bwstring *ignore_leading_blanks(struct bwstring *str); 82 struct bwstring *ignore_nonprinting(struct bwstring *str); 83 struct bwstring *dictionary_order(struct bwstring *str); 84 struct bwstring *ignore_case(struct bwstring *str); 85 86 void bwsprintf(FILE*, struct bwstring*, const char *prefix, const char *suffix); 87 void bws_disorder_warnx(struct bwstring *s, const char *fn, size_t pos); 88 89 struct bwstring *bwsdup(const struct bwstring *s); 90 struct bwstring *bwssbdup(const wchar_t *str, size_t size); 91 struct bwstring *bwscsbdup(const unsigned char *str, size_t size); 92 void bwsfree(const struct bwstring *s); 93 struct bwstring *bwsnocpy(struct bwstring *dst, const struct bwstring *src, size_t offset, size_t size); 94 int bwscmp(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset); 95 int bwsncmp(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset, size_t len); 96 int bwscoll(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset); 97 size_t bwsfwrite(struct bwstring *bws, FILE *f, bool zero_ended); 98 99 static inline bwstring_iterator 100 bws_begin(struct bwstring *bws) 101 { 102 103 return ((bwstring_iterator)bws->wdata.str); 104 } 105 106 static inline bwstring_iterator 107 bws_end(struct bwstring *bws) 108 { 109 110 return ((mb_cur_max == 1) ? 111 (bwstring_iterator) (bws->cdata.str + bws->cdata.len) : 112 (bwstring_iterator) (bws->wdata.str + bws->wdata.len)); 113 } 114 115 static inline bwstring_iterator 116 bws_iterator_inc(bwstring_iterator iter, size_t pos) 117 { 118 119 if (mb_cur_max == 1) 120 return ((unsigned char *) iter) + pos; 121 else 122 return ((wchar_t*) iter) + pos; 123 } 124 125 static inline wchar_t 126 bws_get_iter_value(bwstring_iterator iter) 127 { 128 129 if (mb_cur_max == 1) 130 return *((unsigned char *) iter); 131 else 132 return *((wchar_t*) iter); 133 } 134 135 int 136 bws_iterator_cmp(bwstring_iterator iter1, bwstring_iterator iter2, size_t len); 137 138 #define BWS_GET(bws, pos) ((mb_cur_max == 1) ? (bws->cdata.str[(pos)]) : bws->wdata.str[(pos)]) 139 140 void initialise_months(void); 141 142 #endif /* __BWSTRING_H__ */ 143