FreeNOS
malloc.cpp
Go to the documentation of this file.
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 <sys/types.h>
19#include "stdlib.h"
20#include "errno.h"
21
22extern C void * malloc(size_t size)
23{
24 void *buf = new char[size];
25 if (buf == 0)
26 {
27 errno = ENOMEM;
28 }
29
30 return buf;
31}
C int errno
The lvalue errno is used by many functions to return error values.
#define ENOMEM
Not enough space.
Definition errno.h:190
C void * malloc(size_t size)
A memory allocator.
Definition malloc.cpp:22
#define C
Used to define external C functions.
Definition Macros.h:134