/usr/include/unilbrk.h is in libunistring-dev 0.9.3-5.2ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 | /* Line breaking of Unicode strings.
Copyright (C) 2001-2003, 2005-2010 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2001.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _UNILBRK_H
#define _UNILBRK_H
/* Get size_t. */
#include <stddef.h>
#include "unitypes.h"
/* Get locale_charset() declaration. */
#include <unistring/localcharset.h>
#ifdef __cplusplus
extern "C" {
#endif
/* These functions are locale dependent. The encoding argument identifies
the encoding (e.g. "ISO-8859-2" for Polish). */
/* Line breaking. */
enum
{
UC_BREAK_UNDEFINED,
UC_BREAK_PROHIBITED,
UC_BREAK_POSSIBLE,
UC_BREAK_MANDATORY,
UC_BREAK_HYPHENATION
};
/* Determine the line break points in S, and store the result at p[0..n-1].
p[i] = UC_BREAK_MANDATORY means that s[i] is a line break character.
p[i] = UC_BREAK_POSSIBLE means that a line break may be inserted between
s[i-1] and s[i].
p[i] = UC_BREAK_HYPHENATION means that a hyphen and a line break may be
inserted between s[i-1] and s[i]. But beware of language dependent
hyphenation rules.
p[i] = UC_BREAK_PROHIBITED means that s[i-1] and s[i] must not be separated.
*/
extern void
u8_possible_linebreaks (const uint8_t *s, size_t n,
const char *encoding, char *p);
extern void
u16_possible_linebreaks (const uint16_t *s, size_t n,
const char *encoding, char *p);
extern void
u32_possible_linebreaks (const uint32_t *s, size_t n,
const char *encoding, char *p);
extern void
ulc_possible_linebreaks (const char *s, size_t n,
const char *encoding, char *p);
/* Choose the best line breaks, assuming the uc_width function.
The string is s[0..n-1]. The maximum number of columns per line is given
as WIDTH. The starting column of the string is given as START_COLUMN.
If the algorithm shall keep room after the last piece, they can be given
as AT_END_COLUMNS.
o is an optional override; if o[i] != UC_BREAK_UNDEFINED, o[i] takes
precedence over p[i] as returned by the *_possible_linebreaks function.
The given ENCODING is used for disambiguating widths in uc_width.
Return the column after the end of the string, and store the result at
p[0..n-1].
*/
extern int
u8_width_linebreaks (const uint8_t *s, size_t n, int width,
int start_column, int at_end_columns,
const char *o, const char *encoding,
char *p);
extern int
u16_width_linebreaks (const uint16_t *s, size_t n, int width,
int start_column, int at_end_columns,
const char *o, const char *encoding,
char *p);
extern int
u32_width_linebreaks (const uint32_t *s, size_t n, int width,
int start_column, int at_end_columns,
const char *o, const char *encoding,
char *p);
extern int
ulc_width_linebreaks (const char *s, size_t n, int width,
int start_column, int at_end_columns,
const char *o, const char *encoding,
char *p);
#ifdef __cplusplus
}
#endif
#endif /* _UNILBRK_H */
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