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https://github.com/RIOT-OS/RIOT.git
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fb1cb91c75
* introduced dummy function for msp-430 config-save * moved sysconfig from board to core [sys/transceiver cpu/] * moved some buffer size defines to cpu dependent parts * some cleanups
51 lines
1.0 KiB
C
51 lines
1.0 KiB
C
/**
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* simple malloc wrapper for sbrk
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*
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* Needed on platforms without malloc in libc, e.g. msb430
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*
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* Copyright (C) 2010 Freie Universität Berlin
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*
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* This file subject to the terms and conditions of the GNU General Public
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* License. See the file LICENSE in the top level directory for more details.
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*
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* @ingroup kernel
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* @{
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* @file
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* @author Kaspar Schleiser <kaspar.schleiser@fu-berlin.de>
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* @}
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*/
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#include <stdio.h>
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#include <sys/unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#define ENABLE_DEBUG
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#include <debug.h>
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extern void *sbrk(int incr);
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void *_malloc(size_t size) {
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void* ptr = sbrk(size);
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DEBUG("_malloc(): allocating block of size %u at 0x%X.\n", size, (unsigned int)ptr);
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if (ptr != (void*)-1) {
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return ptr;
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} else {
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return NULL;
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}
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}
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void *_realloc(void *ptr, size_t size) {
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void* newptr = _malloc(size);
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memcpy(newptr, ptr, size);
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free(ptr);
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return newptr;
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}
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void _free(void* ptr) {
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DEBUG("_free(): block at 0x%X lost.\n", (unsigned int)ptr);
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}
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