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kHlpStrIPCompAscii.c

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/* $Id: kHlpStrIPCompAscii.c 29 2009-07-01 20:30:29Z bird $ */
/** @file
 * kHlpString - kHlpStrIPCompAscii.
 */

/*
 * Copyright (c) 2006-2007 Knut St. Osmundsen <bird-kStuff-spamix@anduin.net>
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

/*******************************************************************************
*   Header Files                                                               *
*******************************************************************************/
#include <k/kHlpString.h>


KHLP_DECL(char *) kHlpStrIPCompAscii(const char *psz1, const char *psz2)
{
    for (;;)
    {
        char ch1 = *psz1;
        char ch2 = *psz2;
        if (ch1 != ch2)
        {
            if (ch1 <= 'Z' && ch1 >= 'A')
                ch1 += 'a' - 'A';
            if (ch2 <= 'Z' && ch2 >= 'A')
                ch2 += 'a' - 'A';
            if (ch1 != ch2)
                return (char *)psz1;
        }
        if (!ch1)
            return (char *)psz1;
        psz1++;
        psz2++;
    }
}



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