FreeRTOS/Common/ethernet/lwIP/include/lwip/err.h

   1 /*
   2  * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without modification,
   6  * are permitted provided that the following conditions are met:
   7  *
   8  * 1. Redistributions of source code must retain the above copyright notice,
   9  *    this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright notice,
  11  *    this list of conditions and the following disclaimer in the documentation
  12  *    and/or other materials provided with the distribution.
  13  * 3. The name of the author may not be used to endorse or promote products
  14  *    derived from this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
  17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
  19  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
  21  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  24  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  25  * OF SUCH DAMAGE.
  26  *
  27  * This file is part of the lwIP TCP/IP stack.
  28  *
  29  * Author: Adam Dunkels <adam@sics.se>
  30  *
  31  */
  32 #ifndef __LWIP_ERR_H__
  33 #define __LWIP_ERR_H__
  34
  35 #include "lwip/opt.h"
  36
  37 #include "arch/cc.h"
  38
  39 typedef s8_t err_t;
  40
  41 /* Definitions for error constants. */
  42
  43 #define ERR_OK    0      /* No error, everything OK. */
  44 #define ERR_MEM  -1      /* Out of memory error.     */
  45 #define ERR_BUF  -2      /* Buffer error.            */
  46
  47
  48 #define ERR_ABRT -3      /* Connection aborted.      */
  49 #define ERR_RST  -4      /* Connection reset.        */
  50 #define ERR_CLSD -5      /* Connection closed.       */
  51 #define ERR_CONN -6      /* Not connected.           */
  52
  53 #define ERR_VAL  -7      /* Illegal value.           */
  54
  55 #define ERR_ARG  -8      /* Illegal argument.        */
  56
  57 #define ERR_RTE  -9      /* Routing problem.         */
  58
  59 #define ERR_USE  -10     /* Address in use.          */
  60
  61 #define ERR_IF   -11     /* Low-level netif error    */
  62 #define ERR_ISCONN -12   /* Already connected.       */
  63
  64
  65 #ifdef LWIP_DEBUG
  66 extern char *lwip_strerr(err_t err);
  67 #else
  68 #define lwip_strerr(x) ""
  69 #endif /* LWIP_DEBUG */
  70 #endif /* __LWIP_ERR_H__ */