/** * @file * Error Management module * *//* * Copyright (c) 2001-2004 Swedish Institute of Computer Science. * All rights reserved.  *  * Redistribution and use in source and binary forms, with or without modification,  * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, *    this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, *    this list of conditions and the following disclaimer in the documentation *    and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products *    derived from this software without specific prior written permission.  * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT  * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY  * OF SUCH DAMAGE. * * This file is part of the lwIP TCP/IP stack. *  * Author: Adam Dunkels <adam@sics.se> * */#include "lwip/err.h"#ifdef LWIP_DEBUGstatic const char *err_strerr[] = {           "Ok.",                    /* ERR_OK          0  */           "Out of memory error.",   /* ERR_MEM        -1  */           "Buffer error.",          /* ERR_BUF        -2  */           "Routing problem.",       /* ERR_RTE        -3  */           "Connection aborted.",    /* ERR_ABRT       -4  */           "Connection reset.",      /* ERR_RST        -5  */           "Connection closed.",     /* ERR_CLSD       -6  */           "Not connected.",         /* ERR_CONN       -7  */           "Illegal value.",         /* ERR_VAL        -8  */           "Illegal argument.",      /* ERR_ARG        -9  */           "Address in use.",        /* ERR_USE        -10 */           "Low-level netif error.", /* ERR_IF         -11 */           "Already connected.",     /* ERR_ISCONN     -12 */           "Timeout.",               /* ERR_TIMEOUT    -13 */           "Operation in progress."  /* ERR_INPROGRESS -14 */};/** * Convert an lwip internal error to a string representation. * * @param err an lwip internal err_t * @return a string representation for err */const char *lwip_strerr(err_t err){  return err_strerr[-err];}#endif /* LWIP_DEBUG */