C++程序  |  63行  |  1.99 KB

/*
 * Copyright (C) 2009 Company 100, Inc. 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "config.h"

#if COMPILER(RVCT) && __ARMCC_VERSION < 400000

#include "StringExtras.h"

#include "ASCIICType.h"

int strcasecmp(const char* s1, const char* s2)
{
    while (toASCIIUpper(*s1) == toASCIIUpper(*s2)) {
        if (*s1 == '\0')
            return 0;
        s1++;
        s2++;
    }

    return toASCIIUpper(*s1) - toASCIIUpper(*s2);
}

int strncasecmp(const char* s1, const char* s2, size_t len)
{
    while (len > 0 && toASCIIUpper(*s1) == toASCIIUpper(*s2)) {
        if (*s1 == '\0')
            return 0;
        s1++;
        s2++;
        len--;
    }

    if (!len)
        return 0;

    return toASCIIUpper(*s1) - toASCIIUpper(*s2);
}

#endif