Function PD_Realloc

paddle/phi/common/cpstring_impl.h:209–223

HOSTDEVICE static inline void *PD_Malloc(size_t size) { return malloc(size); }

HOSTDEVICE static inline void *PD_Realloc(void *ptr,
                                          size_t old_size UNUSED,
                                          size_t new_size) {
#if (defined(__NVCC__) || defined(__HIPCC__))
  if (old_size >= new_size) {
    return ptr;
  }
  void *new_ptr = malloc(new_size);
  PD_Memcpy(new_ptr, ptr, old_size);
  free(ptr);
  return new_ptr;
#else
  return realloc(ptr, new_size);
#endif
}

HOSTDEVICE static inline int PD_Memcmp(const void *s1,
                                       const void *s2,