glibc/wcsmbs/wctob.c
Ulrich Drepper b117f744e1 Update.
1999-03-15  Ulrich Drepper  <drepper@cygnus.com>

	* iconv/gconv.h (gconv_fct): Change parameter from `char' to
	`unsigned char'.
	(gconv_step_data): Likewise.
	* iconv/gconv_int.h (__gconv): Likewise.
	(__BUILINT_TRANS): Likewise.
	* iconv/gconv.c (__gconv): Likewise.
	* iconv/iconv.c (iconv): Add casts for call of __gconv.
	* iconv/skeleton.c: Change local parameters and variable from `char' to
	`unsigned char'.  Remove casts from calls into modules.
	* iconvdata/iso-2022-jp.c (gconv): Change local variable outbuf from
	`char' to `unsigned char'.
	* wcsmbs/btowc.c: Change pointers from `char *' to `unsigned char *'.
	* wcsmbs/mbrtowc.c: Likewise.
	* wcsmbs/mbsnrtowcs.c: Likewise.
	* wcsmbs/mbsrtowcs.c: Likewise.
	* wcsmbs/wcrtomb.c: Likewise.
	* wcsmbs/wcsnrtombs.c: Likewise.
	* wcsmbs/wcsrtombs.c: Likewise.
	* wcsmbs/wctob.c: Likewise.
1999-03-15 20:41:16 +00:00

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 unsigned char **) &inptr,
(const unsigned 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 != (unsigned char *) (buf + 1))
return EOF;
return buf[0];
}