#ifndef GC_ALIGN_H
#define GC_ALIGN_H

#ifndef GC_IMPL
#error internal header file, not part of API
#endif

#include <stdint.h>

static inline uintptr_t align_down(uintptr_t addr, size_t align) {
  return addr & ~(align - 1);
}
static inline uintptr_t align_up(uintptr_t addr, size_t align) {
  return align_down(addr + align - 1, align);
}

#endif // GC_ALIGN_H