cmp_nocase.h

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/*
 * Copyright (c) 1999
 *      GMRS Software GmbH, Innsbrucker Ring 159, 81669 Munich, Germany.
 *      http://www.gmrs.de
 *      All rights reserved.
 *      Author: Arno Unkrig ([e-mail])
 *
 * 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.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by GMRS Software GmbH.
 * 4. The name of GMRS Software GmbH may not be used to endorse or promote
 *    products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY GMRS SOFTWARE GMBH ``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 GMRS SOFTWARE GMBH 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.
 */

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#ifndef __cmp_nocase_h_INCLUDED__ /* { */
#define __cmp_nocase_h_INCLUDED__

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#ident "$Id: cmp_nocase.h,v 1.1 1999/09/21 09:03:18 arno Exp $"

#include <string.h>
#include <string>

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/*
 * The Standard C++ library is lacking a case-insensitive string comparison
 * function... so I define my own, adapting Stroustrup's ("The C++ Programming
 * Language", 3rd edition).
 */

// Helper
extern int _cmp_nocase(const char *s1, size_t l1, const char *s2, size_t l2);

// -1: s1 < s2; 0: s1 == s2, 1: s1 > s2
inline int cmp_nocase(const string &s1, const string &s2)
      { return _cmp_nocase(s1.data(), s1.length(), s2.data(), s2.length()); }
inline int cmp_nocase(const char   *s1, const string &s2)
      { return _cmp_nocase(s1, strlen(s1), s2.data(), s2.length()); }
inline int cmp_nocase(const string &s1, const char   *s2)
      { return _cmp_nocase(s1.data(), s1.length(), s2, strlen(s2)); }
inline int cmp_nocase(const char   *s1, const char   *s2)
      { return _cmp_nocase(s1, strlen(s1), s2, strlen(s2)); }

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#endif /* } */

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