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/* $FreeBSD$ */
/* $NetBSD: citrus_bcs.c,v 1.5 2005/05/14 17:55:42 tshiozak Exp $ */
/*-
* Copyright (c)2003 Citrus Project,
* 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>
#include <assert.h>
#include <stdlib.h>
#include "citrus_namespace.h"
#include "citrus_bcs.h"
/*
* case insensitive comparison between two C strings.
*/
int
_citrus_bcs_strcasecmp(const char * __restrict str1,
const char * __restrict str2)
{
int c1, c2;
c1 = c2 = 1;
while (c1 && c2 && c1 == c2) {
c1 = _bcs_toupper(*str1++);
c2 = _bcs_toupper(*str2++);
}
return ((c1 == c2) ? 0 : ((c1 > c2) ? 1 : -1));
}
/*
* case insensitive comparison between two C strings with limitation of length.
*/
int
_citrus_bcs_strncasecmp(const char * __restrict str1,
const char * __restrict str2, size_t sz)
{
int c1, c2;
c1 = c2 = 1;
while (c1 && c2 && c1 == c2 && sz != 0) {
c1 = _bcs_toupper(*str1++);
c2 = _bcs_toupper(*str2++);
sz--;
}
return ((c1 == c2) ? 0 : ((c1 > c2) ? 1 : -1));
}
/*
* skip white space characters.
*/
const char *
_citrus_bcs_skip_ws(const char *p)
{
while (*p && _bcs_isspace(*p))
p++;
return (p);
}
/*
* skip non white space characters.
*/
const char *
_citrus_bcs_skip_nonws(const char *p)
{
while (*p && !_bcs_isspace(*p))
p++;
return (p);
}
/*
* skip white space characters with limitation of length.
*/
const char *
_citrus_bcs_skip_ws_len(const char * __restrict p, size_t * __restrict len)
{
while (*p && *len > 0 && _bcs_isspace(*p)) {
p++;
(*len)--;
}
return (p);
}
/*
* skip non white space characters with limitation of length.
*/
const char *
_citrus_bcs_skip_nonws_len(const char * __restrict p, size_t * __restrict len)
{
while (*p && *len > 0 && !_bcs_isspace(*p)) {
p++;
(*len)--;
}
return (p);
}
/*
* truncate trailing white space characters.
*/
void
_citrus_bcs_trunc_rws_len(const char * __restrict p, size_t * __restrict len)
{
while (*len > 0 && _bcs_isspace(p[*len - 1]))
(*len)--;
}
/*
* destructive transliterate to lowercase.
*/
void
_citrus_bcs_convert_to_lower(char *s)
{
while (*s) {
*s = _bcs_tolower(*s);
s++;
}
}
/*
* destructive transliterate to uppercase.
*/
void
_citrus_bcs_convert_to_upper(char *s)
{
while (*s) {
*s = _bcs_toupper(*s);
s++;
}
}
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