[lttng-ust.git] / snprintf / mbrtowc_sb.c

/*	$OpenBSD: mbrtowc_sb.c,v 1.4 2005/11/27 20:03:06 cloder Exp $	*/
/*	$NetBSD: multibyte_sb.c,v 1.4 2003/08/07 16:43:04 agc Exp $	*/

/*
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (C) 1991 The Regents of the University of California.
 * All rights reserved.
 */

#include <errno.h>
#include <stdlib.h>
#include <wchar.h>

#include "various.h"

/*ARGSUSED*/
size_t
ust_safe_mbrtowc(wchar_t *pwc, const char *s, size_t n,
		mbstate_t *ps __attribute__((unused)))
{

	/* pwc may be NULL */
	/* s may be NULL */
	/* ps appears to be unused */

	if (s == NULL)
		return 0;
	if (n == 0)
		return (size_t)-1;
	if (pwc)
		*pwc = (wchar_t)(unsigned char)*s;
	return (*s != '\0');
}
Commit	Line	Data
e5bc3b0f PMF	1	/* $OpenBSD: mbrtowc_sb.c,v 1.4 2005/11/27 20:03:06 cloder Exp $ */
	2	/* $NetBSD: multibyte_sb.c,v 1.4 2003/08/07 16:43:04 agc Exp $ */
	3
	4	/*
c0c0989a	5	* SPDX-License-Identifier: BSD-3-Clause
e5bc3b0f	6	*
c0c0989a MJ	7	* Copyright (C) 1991 The Regents of the University of California.
c0c0989a MJ	8	* All rights reserved.
e5bc3b0f PMF	9	*/
	10
	11	#include <errno.h>
	12	#include <stdlib.h>
	13	#include <wchar.h>
	14
4b4a1337 MJ	15	#include "various.h"
4b4a1337 MJ	16
e5bc3b0f PMF	17	/ARGSUSED/
e5bc3b0f PMF	18	size_t
d8eba881 FD	19	ust_safe_mbrtowc(wchar_t pwc, const char s, size_t n,
d8eba881 FD	20	mbstate_t *ps __attribute__((unused)))
e5bc3b0f PMF	21	{
	22
	23	/* pwc may be NULL */
	24	/* s may be NULL */
	25	/* ps appears to be unused */
	26
	27	if (s == NULL)
	28	return 0;
	29	if (n == 0)
	30	return (size_t)-1;
	31	if (pwc)
	32	pwc = (wchar_t)(unsigned char)s;
	33	return (*s != '\0');
	34	}