www.pudn.com > lwip-1.3.0.rar > err.c

/** 
 * @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  
 * 
 */ 
 
#include "lwip/err.h" 
 
#ifdef LWIP_DEBUG 
 
static 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 */