[gforth] / gforth / Attic / memcasecmp.c

gforth: gforth/Attic/memcasecmp.c

1 :	anton	1.1	/* 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 :			}