FreeNOS
strerror.cpp
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1/*
2 * Copyright (C) 2009 Niek Linnenbank
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#include "string.h"
19
20char * strerror(int errnum)
21{
22 return error_map[-errnum % -ELAST];
23}
C char * error_map[]
Contains a array of character strings, representing errno values.
Definition errno.c:23
char * strerror(int errnum)
The strerror function maps the number in errnum to a message string.
Definition strerror.cpp:20
#define ELAST
Last defined error value (do not use).
Definition errno.h:292