void memp_free	(	memp_t	type,
		void *	mem
	)

Put an element back into its pool.

Parameters:

type	the pool where to put mem
mem	the memp element to free

Definition at line 434 of file memp.c.

Referenced by pbuf_free(), tcpip_callback_with_block(), tcpip_input(), and tcpip_thread().

{
  struct memp *memp;
  SYS_ARCH_DECL_PROTECT(old_level);

  if (mem == NULL) {
    return;
  }
  LWIP_ASSERT("memp_free: mem properly aligned",
                ((mem_ptr_t)mem % MEM_ALIGNMENT) == 0);

  memp = (struct memp *)(void *)((u8_t*)mem - MEMP_SIZE);

  SYS_ARCH_PROTECT(old_level);
#if MEMP_OVERFLOW_CHECK
#if MEMP_OVERFLOW_CHECK >= 2
  memp_overflow_check_all();
#else
  memp_overflow_check_element_overflow(memp, type);
  memp_overflow_check_element_underflow(memp, type);
#endif /* MEMP_OVERFLOW_CHECK >= 2 */
#endif /* MEMP_OVERFLOW_CHECK */

  MEMP_STATS_DEC(used, type); 
  
  memp->next = memp_tab[type]; 
  memp_tab[type] = memp;

#if MEMP_SANITY_CHECK
  LWIP_ASSERT("memp sanity", memp_sanity());
#endif /* MEMP_SANITY_CHECK */

  SYS_ARCH_UNPROTECT(old_level);
}

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