source: trunk/libs/mini-libc/strings.c @ 449

Last change on this file since 449 was 449, checked in by alain, 4 years ago

Introduce several missing user libs.

File size: 1.2 KB
Line 
1/*
2 * strings.h - User level <strings> library implementation.
3 *
4 * Author     Alain Greiner (2016,2017,2018)
5 *
6 * Copyright (c) UPMC Sorbonne Universites
7 *
8 * This file is part of ALMOS-MKH.
9 *
10 * ALMOS-MKH is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; version 2.0 of the License.
13 *
14 * ALMOS-MKH is distributed in the hope that it will be useful, but
15 * WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17 * General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with ALMOS-MKH; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24#include <strings.h>
25#include <ctype.h>
26
27//////////////////////////////////
28int strcasecmp( const char * str1,
29                const char * str2 )
30{
31        char c1;
32        char c2;
33
34        do
35    {
36                c1 = (char)toupper( (int)*++str1 );
37                c2 = (char)toupper( (int)*++str2 );
38                c2 = toupper(*++str2);
39        }
40    while(c1 && c1 == c2);
41
42        return (c1 - c2);
43}
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