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git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15079 87f5fb63-7c3d-0410-a384-fd976d0f7a62
138 lines
3.3 KiB
C
138 lines
3.3 KiB
C
/*
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* $Id: socket_hstrerror.c,v 1.5 2006-01-08 12:04:24 obarthel Exp $
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*
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* :ts=4
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*
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* Portable ISO 'C' (1994) runtime library for the Amiga computer
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* Copyright (c) 2002-2006 by Olaf Barthel <olsen (at) sourcery.han.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Neither the name of Olaf Barthel nor the names of contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#if defined(SOCKET_SUPPORT)
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/****************************************************************************/
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#ifndef _SOCKET_HEADERS_H
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#include "socket_headers.h"
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#endif /* _SOCKET_HEADERS_H */
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/****************************************************************************/
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const char *
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hstrerror(int error_number)
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{
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const char * result;
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if(error_number < 1 || error_number > 4)
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{
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static char error_buffer[80];
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char number[30];
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char *s = number;
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int is_negative = 0;
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unsigned int n;
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int i,len,c;
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/* We convert the error number into in an unsigned
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integer, so that numbers such as 0x80000000
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can come out of the conversion. */
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if(error_number < 0)
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{
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is_negative = 1;
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n = (-error_number);
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}
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else
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{
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n = error_number;
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}
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/* Convert the error number into a string of digits. */
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len = 0;
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do
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{
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(*s++) = '0' + (n % 10);
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n /= 10;
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len++;
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}
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while(n > 0 && len < (int)sizeof(number)-1);
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/* Add the sign, if necessary. */
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if(is_negative && len < (int)sizeof(number)-1)
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{
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(*s++) = '-';
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len++;
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}
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(*s) = '\0';
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/* Reverse the string in place. */
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for(i = 0 ; i < len / 2 ; i++)
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{
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c = number[len-1-i];
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number[len-1-i] = number[i];
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number[i] = c;
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}
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strcpy(error_buffer,"Unknown resolver error ");
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strcat(error_buffer,number);
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result = error_buffer;
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}
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else
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{
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switch(error_number)
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{
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case 1: /* HOST_NOT_FOUND */
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result = "Unknown host";
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break;
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case 2: /* TRY_AGAIN */
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result = "Host name lookup failure; try again";
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break;
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case 3: /* NO_RECOVERY */
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result = "Unknown server error";
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break;
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default:
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case 4: /* NO_ADDRESS */
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result = "No address associated with name";
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break;
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}
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}
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return(result);
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}
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/****************************************************************************/
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#endif /* SOCKET_SUPPORT */
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