FreeRTOS/Common/ethernet/lwIP_132/src/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 #include "lwip/arch.h"
  37
  38 #ifdef __cplusplus
  39 extern "C" {
  40 #endif
  41
  42 /** Define LWIP_ERR_T in cc.h if you want to use
  43  *  a different type for your platform (must be signed). */
  44 #ifdef LWIP_ERR_T
  45 typedef LWIP_ERR_T err_t;
  46 #else /* LWIP_ERR_T */
  47  typedef s8_t err_t;
  48 #endif /* LWIP_ERR_T*/
  49
  50 /* Definitions for error constants. */
  51
  52 #define ERR_OK          0    /* No error, everything OK. */
  53 #define ERR_MEM        -1    /* Out of memory error.     */
  54 #define ERR_BUF        -2    /* Buffer error.            */
  55 #define ERR_TIMEOUT    -3    /* Timeout.                 */
  56 #define ERR_RTE        -4    /* Routing problem.         */
  57
  58 #define ERR_IS_FATAL(e) ((e) < ERR_RTE)
  59
  60 #define ERR_ABRT       -5    /* Connection aborted.      */
  61 #define ERR_RST        -6    /* Connection reset.        */
  62 #define ERR_CLSD       -7    /* Connection closed.       */
  63 #define ERR_CONN       -8    /* Not connected.           */
  64
  65 #define ERR_VAL        -9    /* Illegal value.           */
  66
  67 #define ERR_ARG        -10   /* Illegal argument.        */
  68
  69 #define ERR_USE        -11   /* Address in use.          */
  70
  71 #define ERR_IF         -12   /* Low-level netif error    */
  72 #define ERR_ISCONN     -13   /* Already connected.       */
  73
  74 #define ERR_INPROGRESS -14   /* Operation in progress    */
  75
  76
  77 #ifdef LWIP_DEBUG
  78 extern const char *lwip_strerr(err_t err);
  79 #else
  80 #define lwip_strerr(x) ""
  81 #endif /* LWIP_DEBUG */
  82
  83 #ifdef __cplusplus
  84 }
  85 #endif
  86
  87 #endif /* __LWIP_ERR_H__ */