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freebsd/lib/libc/locale/wctrans.c
Warner Losh 559a218c9b libc: Purge unneeded cdefs.h
These sys/cdefs.h are not needed. Purge them. They are mostly left-over
from the $FreeBSD$ removal. A few in libc are still required for macros
that cdefs.h defines. Keep those.

Sponsored by:		Netflix
Differential Revision:	https://reviews.freebsd.org/D42385
2023-11-01 16:44:30 -06:00

101 lines
2.7 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2002 Tim J. Robbins.
* All rights reserved.
*
* Copyright (c) 2011 The FreeBSD Foundation
*
* Portions of this software were developed by David Chisnall
* under sponsorship from the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <errno.h>
#include <string.h>
#include <wctype.h>
#include "xlocale_private.h"
enum {
_WCT_ERROR = 0,
_WCT_TOLOWER = 1,
_WCT_TOUPPER = 2
};
wint_t
towctrans_l(wint_t wc, wctrans_t desc, locale_t locale)
{
switch (desc) {
case _WCT_TOLOWER:
wc = towlower_l(wc, locale);
break;
case _WCT_TOUPPER:
wc = towupper_l(wc, locale);
break;
case _WCT_ERROR:
default:
errno = EINVAL;
break;
}
return (wc);
}
wint_t
towctrans(wint_t wc, wctrans_t desc)
{
return towctrans_l(wc, desc, __get_locale());
}
/*
* wctrans() calls this will a 0 locale. If this is ever modified to actually
* use the locale, wctrans() must be modified to call __get_locale().
*/
wctrans_t
wctrans_l(const char *charclass, locale_t locale)
{
struct {
const char *name;
wctrans_t trans;
} ccls[] = {
{ "tolower", _WCT_TOLOWER },
{ "toupper", _WCT_TOUPPER },
{ NULL, _WCT_ERROR }, /* Default */
};
int i;
i = 0;
while (ccls[i].name != NULL && strcmp(ccls[i].name, charclass) != 0)
i++;
if (ccls[i].trans == _WCT_ERROR)
errno = EINVAL;
return (ccls[i].trans);
}
wctrans_t
wctrans(const char *charclass)
{
return wctrans_l(charclass, 0);
}