blob: fe70d48726647edb34e1650f4115a17d7ea9d49f [file] [log] [blame]
#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);
}