#include "FreeRTOSConfig.h"
#include <stdlib.h>

static  long         brk_siz  =  0;
//  #if  configTOTAL_HEAP_SIZE != 0
typedef int          _heep_t;
#define ROUNDUP(s)   (((s)+sizeof(_heep_t)-1)&~(sizeof(_heep_t)-1))
static  _heep_t      _heep[ROUNDUP(configTOTAL_HEAP_SIZE) / sizeof(_heep_t)];
#define              _heep_size      ROUNDUP(configTOTAL_HEAP_SIZE)
/*  #else
    extern  char        *_heep;
    extern  long        _heep_size;
    #endif
*/
extern  char  *sbrk(int  size)
{
    if (brk_siz  +  size  >  _heep_size  ||  brk_siz  +  size  <  0)

        return ((char *) - 1);

    brk_siz  +=  size;
    return ((char *)_heep  +  brk_siz  -  size);
}

