Function omDoRealloc

omalloc/om_Alloc.c:229–265

#endif

void* omDoRealloc(void* old_addr, size_t new_size, int flag)
{
  void* new_addr;

  if (!omIsBinPageAddr(old_addr) && new_size > OM_MAX_BLOCK_SIZE)
  {
    if (DO_ZERO(flag))
      return omRealloc0Large(old_addr, new_size);
    else
      return omReallocLarge(old_addr, new_size);
  }
  else
  {
    size_t old_size = omSizeOfAddr(old_addr);
    size_t min_size;

    omAssume(OM_IS_ALIGNED(old_addr));

#ifdef OM_ALIGNMENT_NEEDS_WORK
    if (flag & 2)
      __omTypeAllocAligned(void*, new_addr, new_size);
    else
#endif
      __omTypeAlloc(void*, new_addr, new_size);

    new_size = omSizeOfAddr(new_addr);
    min_size = (old_size < new_size ? old_size : new_size);
    omMemcpyW(new_addr, old_addr, min_size >> LOG_SIZEOF_LONG);

    if (DO_ZERO(flag) && (new_size > old_size))
      omMemsetW((char*) new_addr + min_size, 0, (new_size - old_size) >> LOG_SIZEOF_LONG);

    __omFreeSize(old_addr, old_size);

    return new_addr;
  }
}
#endif
#endif /* OM_ALLOC_C */