err.h

LWIP1.1.1在UCOS-II2.61上的移植

#ifndef __LWIP_ERR_H__
#define __LWIP_ERR_H__

#include "lwip/opt.h"
#include "arch/cc.h"

typedef s8_t err_t;

/* Definitions for error constants. */

#define ERR_OK    0      /* No error, everything OK. */
#define ERR_MEM  -1      /* Out of memory error.     */
#define ERR_BUF  -2      /* Buffer error.            */


#define ERR_ABRT -3      /* Connection aborted.      */
#define ERR_RST  -4      /* Connection reset.        */
#define ERR_CLSD -5      /* Connection closed.       */
#define ERR_CONN -6      /* Not connected.           */

#define ERR_VAL  -7      /* Illegal value.           */

#define ERR_ARG  -8      /* Illegal argument.        */

#define ERR_RTE  -9      /* Routing problem.         */

#define ERR_USE  -10     /* Address in use.          */

#define ERR_IF   -11     /* Low-level netif error    */
#define ERR_ISCONN -12   /* Already connected.       */


#ifdef LWIP_DEBUG
extern char *lwip_strerr(err_t err);
#else
#define lwip_strerr(x) ""
#endif /* LWIP_DEBUG */
#endif /* __LWIP_ERR_H__ */