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
|
/* Display width functions.
Copyright (C) 2001-2002, 2005, 2007, 2009-2020 Free Software Foundation,
Inc.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#ifndef _UNIWIDTH_H
#define _UNIWIDTH_H
#include "unitypes.h"
/* Get size_t. */
#include <stddef.h>
/* Get locale_charset() declaration. */
#include "localcharset.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Display width. */
/* These functions are locale dependent. The encoding argument identifies
the encoding (e.g. "ISO-8859-2" for Polish). */
/* Determine number of column positions required for UC. */
extern int
uc_width (ucs4_t uc, const char *encoding)
_UC_ATTRIBUTE_PURE;
/* Determine number of column positions required for first N units
(or fewer if S ends before this) in S. */
extern int
u8_width (const uint8_t *s, size_t n, const char *encoding)
_UC_ATTRIBUTE_PURE;
extern int
u16_width (const uint16_t *s, size_t n, const char *encoding)
_UC_ATTRIBUTE_PURE;
extern int
u32_width (const uint32_t *s, size_t n, const char *encoding)
_UC_ATTRIBUTE_PURE;
/* Determine number of column positions required for S. */
extern int
u8_strwidth (const uint8_t *s, const char *encoding)
_UC_ATTRIBUTE_PURE;
extern int
u16_strwidth (const uint16_t *s, const char *encoding)
_UC_ATTRIBUTE_PURE;
extern int
u32_strwidth (const uint32_t *s, const char *encoding)
_UC_ATTRIBUTE_PURE;
#ifdef __cplusplus
}
#endif
#endif /* _UNIWIDTH_H */
|
