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* assuming size_t to be always unsigned

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Oliver Hahm 2013-04-01 00:46:17 +02:00
parent efd73d735b
commit cc68d7caa6
1 changed files with 13 additions and 28 deletions
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41
cpu/arm_common/syscalls.c
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@ -1,27 +1,17 @@
/****************************************************************************** /*
Copyright 2008, Freie Universitaet Berlin (FUB). All rights reserved. * syscalls.c - arm system calls
* Copyright (C) 2013 Oliver Hahm <oliver.hahm@inria.fr>
These sources were developed at the Freie Universitaet Berlin, Computer Systems *
and Telematics group (http://cst.mi.fu-berlin.de). * This source code is licensed under the GNU General Public License,
------------------------------------------------------------------------------- * Version 3. See the file LICENSE for more details.
This file is part of RIOT. *
* This file is part of RIOT.
This program is free software: you can redistribute it and/or modify it under *
the terms of the GNU General Public License as published by the Free Software */
Foundation, either version 3 of the License, or (at your option) any later
version.
RIOT is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see http://www.gnu.org/licenses/ .
*******************************************************************************/
/** /**
* @file * @file
* @ingroup lpc2387 * @ingroup arm_common
* @brief LPC2387 NewLib system calls implementation * @brief LPC2387 NewLib system calls implementation
* *
* @author Michael Baar <michael.baar@fu-berlin.de> * @author Michael Baar <michael.baar@fu-berlin.de>
@ -35,6 +25,8 @@ this program. If not, see http://www.gnu.org/licenses/ .
#include <sys/stat.h> #include <sys/stat.h>
#include <sys/unistd.h> #include <sys/unistd.h>
#include <stdint.h> #include <stdint.h>
#include "arm_cpu.h"
// core // core
#include "kernel.h" #include "kernel.h"
#include "irq.h" #include "irq.h"
@ -109,13 +101,6 @@ void __assert(const char *file, int line, const char *failedexpr)
/*-----------------------------------------------------------------------------------*/ /*-----------------------------------------------------------------------------------*/
caddr_t _sbrk_r(struct _reent *r, size_t incr) caddr_t _sbrk_r(struct _reent *r, size_t incr)
{ {
if(incr < 0)
{
puts("[syscalls] Negative Values for _sbrk_r are not supported");
r->_errno = ENOMEM;
return NULL;
}
uint32_t cpsr = disableIRQ(); uint32_t cpsr = disableIRQ();
/* check all heaps for a chunk of the requested size */ /* check all heaps for a chunk of the requested size */