1 /*
2  * Copyright (C) 2004-2007 Atmel Corporation
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser General
5  * Public License.  See the file "COPYING.LIB" in the main directory of this
6  * archive for more details.
7  */
8 #include <errno.h>
9 #include <unistd.h>
10 #include <sys/syscall.h>
11 
12 
13 void *__curbrk attribute_hidden = 0;
14 
brk(void * addr)15 int brk (void *addr)
16 {
17 	void *newbrk;
18 
19 	newbrk = (void *)INLINE_SYSCALL(brk, 1, addr);
20 
21 	__curbrk = newbrk;
22 
23 	if (newbrk < addr) {
24 		__set_errno (ENOMEM);
25 		return -1;
26 	}
27 
28 	return 0;
29 }
30 libc_hidden_def(brk)
31