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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