75 lines
2.2 KiB
C
Executable File
75 lines
2.2 KiB
C
Executable File
/* locale information
|
|
|
|
Copyright 2016-2024 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, 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/>. */
|
|
|
|
/* Written by Paul Eggert. */
|
|
|
|
#include <limits.h>
|
|
#include <wchar.h>
|
|
#if GAWK
|
|
/* Use ISO C 99 API. */
|
|
# define char32_t wchar_t
|
|
#else
|
|
/* Use ISO C 11 + gnulib API. */
|
|
# include <uchar.h>
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
struct localeinfo
|
|
{
|
|
/* MB_CUR_MAX > 1. */
|
|
bool multibyte;
|
|
|
|
/* The locale is simple, like the C locale. These locales can be
|
|
processed more efficiently, as they are single-byte, their native
|
|
character set is in collating-sequence order, and they do not
|
|
have multi-character collating elements. */
|
|
bool simple;
|
|
|
|
/* The locale uses UTF-8. */
|
|
bool using_utf8;
|
|
|
|
/* An array indexed by byte values B that contains 1 if B is a
|
|
single-byte character, -1 if B is an encoding error, and -2 if B
|
|
is the leading byte of a multibyte character that contains more
|
|
than one byte. */
|
|
signed char sbclen[UCHAR_MAX + 1];
|
|
|
|
/* An array indexed by byte values B that contains the corresponding
|
|
32-bit wide character (if any) for B if sbclen[B] == 1. WEOF means
|
|
the byte is not a valid single-byte character, i.e., sbclen[B] == -1
|
|
or -2. */
|
|
wint_t sbctowc[UCHAR_MAX + 1];
|
|
};
|
|
|
|
extern void init_localeinfo (struct localeinfo *);
|
|
|
|
/* Maximum number of characters that can be the case-folded
|
|
counterparts of a single character, not counting the character
|
|
itself. This is a generous upper bound. */
|
|
enum { CASE_FOLDED_BUFSIZE = 32 };
|
|
|
|
extern int case_folded_counterparts (wint_t, char32_t[CASE_FOLDED_BUFSIZE]);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|