67 lines
2.0 KiB
C
67 lines
2.0 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>, 1996.
|
|
|
|
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 <gconv.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <wchar.h>
|
|
#include <wcsmbsload.h>
|
|
|
|
|
|
int
|
|
wctob (c)
|
|
wint_t c;
|
|
{
|
|
char buf[MB_LEN_MAX];
|
|
struct gconv_step_data data;
|
|
wchar_t inbuf[1];
|
|
wchar_t *inptr = inbuf;
|
|
size_t dummy;
|
|
int status;
|
|
|
|
/* Tell where we want the result. */
|
|
data.outbuf = buf;
|
|
data.outbufend = buf + MB_LEN_MAX;
|
|
data.invocation_counter = 0;
|
|
data.internal_use = 1;
|
|
data.is_last = 1;
|
|
data.statep = &data.__state;
|
|
|
|
/* Make sure we start in the initial state. */
|
|
memset (&data.__state, '\0', sizeof (mbstate_t));
|
|
|
|
/* Make sure we use the correct function. */
|
|
update_conversion_ptrs ();
|
|
|
|
/* Create the input string. */
|
|
inbuf[0] = c;
|
|
|
|
status = (*__wcsmbs_gconv_fcts.tomb->fct) (__wcsmbs_gconv_fcts.tomb, &data,
|
|
(const char **) &inptr,
|
|
(const char *) &inbuf[1],
|
|
&dummy, 0);
|
|
/* The conversion failed or the output is too long. */
|
|
if ((status != GCONV_OK && status != GCONV_FULL_OUTPUT
|
|
&& status != GCONV_EMPTY_INPUT)
|
|
|| data.outbuf != buf + 1)
|
|
return EOF;
|
|
|
|
return buf[0];
|
|
}
|