Annotation of gforth/memcasecmp.c, revision 1.1

1.1     ! anton       1: /* case insensitive memory block comparison
        !             2: 
        !             3:   Copyright (C) 1996 Free Software Foundation, Inc.
        !             4: 
        !             5:   This file is part of Gforth.
        !             6: 
        !             7:   Gforth is free software; you can redistribute it and/or
        !             8:   modify it under the terms of the GNU General Public License
        !             9:   as published by the Free Software Foundation; either version 2
        !            10:   of the License, or (at your option) any later version.
        !            11: 
        !            12:   This program is distributed in the hope that it will be useful,
        !            13:   but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            14:   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            15:   GNU General Public License for more details.
        !            16: 
        !            17:   You should have received a copy of the GNU General Public License
        !            18:   along with this program; if not, write to the Free Software
        !            19:   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
        !            20: */
        !            21: 
        !            22: /* this is mainly useful for testing for equality; to get a version
        !            23:    that delivers the right < and > results in any locale, you would
        !            24:    have to work with strcoll and some hackery */
        !            25: 
        !            26: #include <ctype.h>
        !            27: 
        !            28: int memcasecmp(const char *s1, const char *s2, long n)
        !            29: {
        !            30:   int i;
        !            31: 
        !            32:   for (i=0; i<n; i++) {
        !            33:     char c1=toupper(s1[i]);
        !            34:     char c2=toupper(s2[i]);
        !            35:     if (c1 != c2)
        !            36:       return c1-c2;
        !            37:   }
        !            38:   return 0;
        !            39: }

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