mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-30 12:04:07 +00:00
85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/*-
|
|
* Copyright (c) 2002 Tim J. Robbins.
|
|
* All rights reserved.
|
|
*
|
|
* 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 <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <ctype.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <wctype.h>
|
|
|
|
enum {
|
|
_WCT_ERROR = 0,
|
|
_WCT_TOLOWER = 1,
|
|
_WCT_TOUPPER = 2
|
|
};
|
|
|
|
/*
|
|
* TODO: Supply a macro version of this.
|
|
*/
|
|
wint_t
|
|
towctrans(wint_t wc, wctrans_t desc)
|
|
{
|
|
|
|
switch (desc) {
|
|
case _WCT_TOLOWER:
|
|
wc = tolower(wc);
|
|
break;
|
|
case _WCT_TOUPPER:
|
|
wc = toupper(wc);
|
|
break;
|
|
case _WCT_ERROR:
|
|
default:
|
|
errno = EINVAL;
|
|
break;
|
|
}
|
|
|
|
return (wc);
|
|
}
|
|
|
|
wctrans_t
|
|
wctrans(const char *charclass)
|
|
{
|
|
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);
|
|
}
|