source: trunk/libs/mini-libc/ctype.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: 1.1 KB
Line 
1/*
2 * ctype.c - User level <ctype> 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 <ctype.h>
25
26///////////////////////////
27inline int tolower( int c )
28{
29   if (c >= 'A' && c <= 'Z') return (c | 0x20);
30   else                      return c;
31}
32
33
34///////////////////////////
35inline int toupper( int c )
36{
37   if (c >= 'a' && c <= 'z') return (c & ~(0x20));
38   else                      return c;
39}
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