File:  [gforth] / gforth / Attic / memcasecmp.c
Revision 1.1: download - view: text, annotated - select for diffs
Thu May 23 15:13:09 1996 UTC (25 years, 5 months ago) by anton
Branches: MAIN
CVS tags: v0-3-0, v0-2-1, v0-2-0, HEAD
changed bahviour of system (no longer returns wretval, but puts it in $?)
added (system) ( c_addr u -- wretval wior )
changed close-pipe (now also returns wretval)
changed calls to strncasecmp to memcasecmp

    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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