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/*
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <errno.h>
#include <unistd.h>
#include <sys/syscall.h>
#define __NR___syscall_brk __NR_brk
static __always_inline _syscall1(void *, __syscall_brk, void *, end)
/* This must be initialized data because commons can't have aliases. */
void * __curbrk attribute_hidden = 0;
int brk(void *addr)
{
void *newbrk = __syscall_brk(addr);
__curbrk = newbrk;
if (newbrk < addr) {
__set_errno (ENOMEM);
return -1;
}
return 0;
}
libc_hidden_def(brk)
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