mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-02 09:40:13 +00:00
688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
/* wcscpy.c - Wide Character Copy for POWER6+.
|
|
Copyright (C) 2012-2018 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library 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 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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 the GNU C Library; see the file COPYING.LIB. If
|
|
not, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include <stddef.h>
|
|
#include <wchar.h>
|
|
|
|
#ifndef WCSCPY
|
|
# define WCSCPY wcscpy
|
|
#endif
|
|
|
|
/* Copy SRC to DEST. */
|
|
wchar_t *
|
|
WCSCPY (wchar_t *dest, const wchar_t *src)
|
|
{
|
|
wint_t c,d;
|
|
wchar_t *wcp, *wcp2;
|
|
|
|
if (__alignof__ (wchar_t) >= sizeof (wchar_t))
|
|
{
|
|
const ptrdiff_t off = dest - src;
|
|
|
|
wcp = (wchar_t *) src;
|
|
wcp2 = wcp + 1 ;
|
|
|
|
do
|
|
{
|
|
d = *wcp;
|
|
wcp[off] = d;
|
|
if (d == L'\0')
|
|
return dest;
|
|
wcp += 2;
|
|
|
|
c = *wcp2;
|
|
wcp2[off] = c;
|
|
if (c == L'\0')
|
|
return dest;
|
|
wcp2 += 2;
|
|
|
|
d = *wcp;
|
|
wcp[off] = d;
|
|
if (d == L'\0')
|
|
return dest;
|
|
wcp += 2;
|
|
|
|
c = *wcp2;
|
|
wcp2[off] = c;
|
|
if (c == L'\0')
|
|
return dest;
|
|
wcp2 += 2;
|
|
|
|
d = *wcp;
|
|
wcp[off] = d;
|
|
if (d == L'\0')
|
|
return dest;
|
|
wcp += 2;
|
|
|
|
c = *wcp2;
|
|
wcp2[off] = c;
|
|
if (c == L'\0')
|
|
return dest;
|
|
wcp2 += 2;
|
|
|
|
d = *wcp;
|
|
wcp[off] = d;
|
|
if (d == L'\0')
|
|
return dest;
|
|
wcp += 2;
|
|
|
|
c = *wcp2;
|
|
wcp2[off] = c;
|
|
if (c == L'\0')
|
|
return dest;
|
|
wcp2 += 2;
|
|
}
|
|
while (c != L'\0');
|
|
|
|
}
|
|
else
|
|
{
|
|
wcp = dest;
|
|
|
|
do
|
|
{
|
|
c = *src++;
|
|
*wcp++ = c;
|
|
}
|
|
while (c != L'\0');
|
|
}
|
|
return dest;
|
|
}
|