Annotation of gforth/engine/memcmpc.c, revision 1.5
1.1 anton 1: /* case insensitive memory block comparison
2:
1.3 anton 3: Copyright (C) 1996,1998 Free Software Foundation, Inc.
1.1 anton 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
1.4 anton 19: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.1 anton 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:
1.5 ! anton 26: #include "forth.h"
1.1 anton 27: #include <ctype.h>
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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