Adding upstream version 5.2.37.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
This commit is contained in:
parent
cf91100bce
commit
fa1b3d3922
1435 changed files with 757174 additions and 0 deletions
56
lib/sh/wcsnwidth.c
Normal file
56
lib/sh/wcsnwidth.c
Normal file
|
@ -0,0 +1,56 @@
|
|||
/* wcsnwidth.c - compute display width of wide character string, up to max
|
||||
specified width, return length. */
|
||||
|
||||
/* Copyright (C) 2012 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of GNU Bash, the Bourne Again SHell.
|
||||
|
||||
Bash 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.
|
||||
|
||||
Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <config.h>
|
||||
|
||||
#if defined (HANDLE_MULTIBYTE)
|
||||
|
||||
#include <stdc.h>
|
||||
#include <wchar.h>
|
||||
#include <bashansi.h>
|
||||
|
||||
/* Return the number of wide characters that will be displayed from wide string
|
||||
PWCS. If the display width exceeds MAX, return the number of wide chars
|
||||
from PWCS required to display MAX characters on the screen. */
|
||||
int
|
||||
wcsnwidth(pwcs, n, max)
|
||||
const wchar_t *pwcs;
|
||||
size_t n, max;
|
||||
{
|
||||
wchar_t wc, *ws;
|
||||
int len, l;
|
||||
|
||||
len = 0;
|
||||
ws = (wchar_t *)pwcs;
|
||||
while (n-- > 0 && (wc = *ws++) != L'\0')
|
||||
{
|
||||
l = wcwidth (wc);
|
||||
if (l < 0)
|
||||
return (-1);
|
||||
else if (l == max - len)
|
||||
return (ws - pwcs);
|
||||
else if (l > max - len)
|
||||
return (--ws - pwcs);
|
||||
len += l;
|
||||
}
|
||||
return (ws - pwcs);
|
||||
}
|
||||
#endif
|
Loading…
Add table
Add a link
Reference in a new issue