mirror of
https://github.com/freebsd/freebsd-src
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143 lines
4.3 KiB
C
143 lines
4.3 KiB
C
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (C) 2009 Gabor Kovesdan <gabor@FreeBSD.org>
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* Copyright (C) 2012 Oleg Moskalenko <mom040267@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if !defined(__BWSTRING_H__)
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#define __BWSTRING_H__
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#include <stdbool.h>
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#include <stdio.h>
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#include <errno.h>
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#include <sysexits.h>
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#include <wchar.h>
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#include "sort.h"
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#include "mem.h"
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extern bool byte_sort;
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/* wchar_t is of 4 bytes: */
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#define SIZEOF_WCHAR_STRING(LEN) ((LEN)*sizeof(wchar_t))
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struct wstr {
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size_t len;
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wchar_t str[];
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};
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struct cstr {
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size_t len;
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char str[];
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};
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/*
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* Binary "wide" string
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*/
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struct bwstring
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{
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union {
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struct wstr wdata;
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struct cstr cdata;
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};
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};
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typedef void *bwstring_iterator;
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#define BWSLEN(s) ((mb_cur_max == 1) ? (s)->cdata.len : (s)->wdata.len)
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struct bwstring *bwsalloc(size_t sz);
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size_t bwsrawlen(const struct bwstring *bws);
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const void* bwsrawdata(const struct bwstring *bws);
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void bws_setlen(struct bwstring *bws, size_t newlen);
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size_t bws_memsize(const struct bwstring *bws);
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double bwstod(struct bwstring *s0, bool *empty);
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int bws_month_score(const struct bwstring *s0);
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struct bwstring *ignore_leading_blanks(struct bwstring *str);
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struct bwstring *ignore_nonprinting(struct bwstring *str);
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struct bwstring *dictionary_order(struct bwstring *str);
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struct bwstring *ignore_case(struct bwstring *str);
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void bwsprintf(FILE*, struct bwstring*, const char *prefix, const char *suffix);
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void bws_disorder_warnx(struct bwstring *s, const char *fn, size_t pos);
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struct bwstring *bwsdup(const struct bwstring *s);
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struct bwstring *bwssbdup(const wchar_t *str, size_t size);
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struct bwstring *bwscsbdup(const unsigned char *str, size_t size);
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void bwsfree(const struct bwstring *s);
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struct bwstring *bwsnocpy(struct bwstring *dst, const struct bwstring *src, size_t offset, size_t size);
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int bwscmp(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset);
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int bwsncmp(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset, size_t len);
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int bwscoll(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset);
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size_t bwsfwrite(struct bwstring *bws, FILE *f, bool zero_ended);
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static inline bwstring_iterator
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bws_begin(struct bwstring *bws)
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{
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return ((bwstring_iterator)bws->wdata.str);
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}
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static inline bwstring_iterator
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bws_end(struct bwstring *bws)
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{
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return ((mb_cur_max == 1) ?
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(bwstring_iterator) (bws->cdata.str + bws->cdata.len) :
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(bwstring_iterator) (bws->wdata.str + bws->wdata.len));
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}
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static inline bwstring_iterator
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bws_iterator_inc(bwstring_iterator iter, size_t pos)
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{
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if (mb_cur_max == 1)
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return ((unsigned char *) iter) + pos;
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else
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return ((wchar_t*) iter) + pos;
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}
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static inline wchar_t
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bws_get_iter_value(bwstring_iterator iter)
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{
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if (mb_cur_max == 1)
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return *((unsigned char *) iter);
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else
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return *((wchar_t*) iter);
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}
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int
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bws_iterator_cmp(bwstring_iterator iter1, bwstring_iterator iter2, size_t len);
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#define BWS_GET(bws, pos) ((mb_cur_max == 1) ? (bws->cdata.str[(pos)]) : bws->wdata.str[(pos)])
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void initialise_months(void);
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#endif /* __BWSTRING_H__ */
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