mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-23 09:43:32 +08:00
62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
|
/* Copyright (C) 1996 Free Software Foundation, Inc.
|
||
|
This file is part of the GNU C Library.
|
||
|
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>
|
||
|
|
||
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
modify it under the terms of the GNU Library General Public License as
|
||
|
published by the Free Software Foundation; either version 2 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
|
||
|
Library General Public License for more details.
|
||
|
|
||
|
You should have received a copy of the GNU Library General Public
|
||
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
||
|
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||
|
Boston, MA 02111-1307, USA. */
|
||
|
|
||
|
#include <wchar.h>
|
||
|
|
||
|
|
||
|
size_t
|
||
|
mbrtowc (pwc, s, n, ps)
|
||
|
wchar_t *pwc;
|
||
|
const char *s;
|
||
|
size_t n;
|
||
|
mbstate_t *ps;
|
||
|
{
|
||
|
wchar_t to_wide;
|
||
|
|
||
|
/*************************************************************\
|
||
|
|* This is no complete implementation. While the multi-byte *|
|
||
|
|* character handling is not finished this will do. *|
|
||
|
\*************************************************************/
|
||
|
|
||
|
if (s == NULL)
|
||
|
{
|
||
|
pwc = NULL;
|
||
|
s = "";
|
||
|
n = 1;
|
||
|
}
|
||
|
|
||
|
if (n == 0)
|
||
|
return (size_t) -2;
|
||
|
|
||
|
/* For now. */
|
||
|
to_wide = (wchar_t) *s;
|
||
|
|
||
|
if (pwc != NULL)
|
||
|
*pwc = to_wide;
|
||
|
|
||
|
if (pwc == L'\0')
|
||
|
{
|
||
|
*ps = 0; /* This is required. */
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
/* Return code (size_t)-1 cannot happend for now. */
|
||
|
return 1;
|
||
|
}
|