//
// Sbrk: Basic _sbrk implementation to make *printf work
//

#include <sys/stat.h>

caddr_t _sbrk(int incr)
{
    extern char end asm("end");
    static char *heap_end;
    char *prev_heap_end;

    if (heap_end == 0) {
        heap_end = &end;
    }

    prev_heap_end = heap_end;

    heap_end += incr;

    return (caddr_t)prev_heap_end;
}