mirror of
https://github.com/tmux/tmux.git
synced 2024-11-16 09:28:51 +00:00
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/*
|
|
* Copyright (c) 2016 Joshua Rubin <joshua@rubixconsulting.com>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
|
|
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <utf8proc.h>
|
|
|
|
#include "compat.h"
|
|
|
|
int
|
|
utf8proc_wcwidth(wchar_t wc)
|
|
{
|
|
int cat;
|
|
|
|
cat = utf8proc_category(wc);
|
|
if (cat == UTF8PROC_CATEGORY_CO) {
|
|
/*
|
|
* The private use category is where powerline and similar
|
|
* codepoints are stored, they have "ambiguous" width - use 1.
|
|
*/
|
|
return (1);
|
|
}
|
|
return (utf8proc_charwidth(wc));
|
|
}
|
|
|
|
int
|
|
utf8proc_mbtowc(wchar_t *pwc, const char *s, size_t n)
|
|
{
|
|
utf8proc_ssize_t slen;
|
|
|
|
if (s == NULL)
|
|
return (0);
|
|
|
|
/*
|
|
* *pwc == -1 indicates invalid codepoint
|
|
* slen < 0 indicates an error
|
|
*/
|
|
slen = utf8proc_iterate(s, n, pwc);
|
|
if (*pwc == (wchar_t)-1 || slen < 0)
|
|
return (-1);
|
|
return (slen);
|
|
}
|
|
|
|
int
|
|
utf8proc_wctomb(char *s, wchar_t wc)
|
|
{
|
|
if (s == NULL)
|
|
return (0);
|
|
|
|
if (!utf8proc_codepoint_valid(wc))
|
|
return (-1);
|
|
return (utf8proc_encode_char(wc, s));
|
|
}
|