diff options
Diffstat (limited to 'text_cmds/sort/bwstring.h')
-rw-r--r-- | text_cmds/sort/bwstring.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/text_cmds/sort/bwstring.h b/text_cmds/sort/bwstring.h new file mode 100644 index 0000000..857de13 --- /dev/null +++ b/text_cmds/sort/bwstring.h @@ -0,0 +1,142 @@ +/* $FreeBSD: head/usr.bin/sort/bwstring.h 264744 2014-04-21 22:52:18Z pfg $ */ + +/*- + * 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(__BWSTRING_H__) +#define __BWSTRING_H__ + +#include <stdbool.h> +#include <stdio.h> +#include <errno.h> +#include <sysexits.h> +#include <wchar.h> + +#include "mem.h" + +extern bool byte_sort; + +/* wchar_t is of 4 bytes: */ +#define SIZEOF_WCHAR_STRING(LEN) ((LEN)*sizeof(wchar_t)) + +/* + * Binary "wide" string + */ +struct bwstring +{ + size_t len; + union + { + wchar_t wstr[0]; + unsigned char cstr[0]; + } data; +}; + +struct reader_buffer +{ + wchar_t *fgetwln_z_buffer; + size_t fgetwln_z_buffer_size; +}; + +typedef void *bwstring_iterator; + +#define BWSLEN(s) ((s)->len) + +struct bwstring *bwsalloc(size_t sz); + +size_t bwsrawlen(const struct bwstring *bws); +const void* bwsrawdata(const struct bwstring *bws); +void bws_setlen(struct bwstring *bws, size_t newlen); +size_t bws_memsize(const struct bwstring *bws); +double bwstod(struct bwstring *s0, bool *empty); +int bws_month_score(const struct bwstring *s0); + +struct bwstring *ignore_leading_blanks(struct bwstring *str); +struct bwstring *ignore_nonprinting(struct bwstring *str); +struct bwstring *dictionary_order(struct bwstring *str); +struct bwstring *ignore_case(struct bwstring *str); + +void bwsprintf(FILE*, struct bwstring*, const char *prefix, const char *suffix); +void bws_disorder_warnx(struct bwstring *s, const char *fn, size_t pos); + +struct bwstring *bwsdup(const struct bwstring *s); +struct bwstring *bwssbdup(const wchar_t *str, size_t size); +struct bwstring *bwscsbdup(const unsigned char *str, size_t size); +void bwsfree(const struct bwstring *s); +size_t bwscpy(struct bwstring *dst, const struct bwstring *src); +struct bwstring *bwsncpy(struct bwstring *dst, const struct bwstring *src, size_t size); +struct bwstring *bwsnocpy(struct bwstring *dst, const struct bwstring *src, size_t offset, size_t size); +int bwscmp(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset); +int bwsncmp(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset, size_t len); +int bwscoll(const struct bwstring *bws1, const struct bwstring *bws2, size_t offset); +size_t bwsfwrite(struct bwstring *bws, FILE *f, bool zero_ended); +struct bwstring *bwsfgetln(FILE *file, size_t *len, bool zero_ended, struct reader_buffer *rb); + +static inline bwstring_iterator +bws_begin(struct bwstring *bws) +{ + + return (bwstring_iterator) (&(bws->data)); +} + +static inline bwstring_iterator +bws_end(struct bwstring *bws) +{ + + return ((MB_CUR_MAX == 1) ? + (bwstring_iterator) (bws->data.cstr + bws->len) : + (bwstring_iterator) (bws->data.wstr + bws->len)); +} + +static inline bwstring_iterator +bws_iterator_inc(bwstring_iterator iter, size_t pos) +{ + + if (MB_CUR_MAX == 1) + return ((unsigned char *) iter) + pos; + else + return ((wchar_t*) iter) + pos; +} + +static inline wchar_t +bws_get_iter_value(bwstring_iterator iter) +{ + + if (MB_CUR_MAX == 1) + return *((unsigned char *) iter); + else + return *((wchar_t*) iter); +} + +int +bws_iterator_cmp(bwstring_iterator iter1, bwstring_iterator iter2, size_t len); + +#define BWS_GET(bws, pos) ((MB_CUR_MAX == 1) ? ((bws)->data.cstr[(pos)]) : (bws)->data.wstr[(pos)]) + +void initialise_months(void); + +#endif /* __BWSTRING_H__ */ |