Annotation of gforth/engine/memcmpc.c, revision 1.2

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>
1.2     ! pazsan     27: #include "forth.h"
1.1       anton      28: 
1.2     ! pazsan     29: Cell memcasecmp(const Char *s1, const Char *s2, Cell n)
1.1       anton      30: {
1.2     ! pazsan     31:   Cell i;
1.1       anton      32: 
                     33:   for (i=0; i<n; i++) {
1.2     ! pazsan     34:     Char c1=toupper(s1[i]);
        !            35:     Char c2=toupper(s2[i]);
1.1       anton      36:     if (c1 != c2)
                     37:       return c1-c2;
                     38:   }
                     39:   return 0;
                     40: }

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