35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
|
/* Copyright (C) 1996, 1997, 1998 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 <stdio.h>
|
||
|
|
#include <wchar.h>
|
||
|
|
|
||
|
|
|
||
|
|
/* We use UTF8 encoding for multibyte strings and therefore a valid
|
||
|
|
one byte multibyte string only can have a value from 0 to 0x7f. */
|
||
|
|
wint_t
|
||
|
|
btowc (c)
|
||
|
|
int c;
|
||
|
|
{
|
||
|
|
if (WEOF != (wint_t) EOF || c < 0 || c > 0x7f)
|
||
|
|
return WEOF;
|
||
|
|
else
|
||
|
|
return (wint_t) c;
|
||
|
|
}
|