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7f0f7929ba
- Replaced ISO Latin 1 code #160 with a plain blank space (ASCII code #32) where necessary git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15305 87f5fb63-7c3d-0410-a384-fd976d0f7a62
115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
/*
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* $Id: string_strerror.c,v 1.4 2006-09-17 17:36:42 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) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
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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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#ifndef _STRING_HEADERS_H
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#include "string_headers.h"
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#endif /* _STRING_HEADERS_H */
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/****************************************************************************/
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static void
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number_to_string(int number,char * string,size_t string_size)
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{
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int is_negative = 0;
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char * s = string;
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unsigned int n;
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size_t i,len;
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char 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(number < 0)
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{
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is_negative = 1;
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n = (-number);
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}
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else
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{
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n = 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 < string_size-1);
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/* Add the sign, if necessary. */
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if(is_negative && len < string_size-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 = string[len-1-i];
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string[len-1-i] = string[i];
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string[i] = c;
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}
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}
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/****************************************************************************/
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char *
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strerror(int error_number)
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{
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static char error_message[80];
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/* NOTE: We are making the assumption that if strerror_r() fails, it
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will fail only because the error code is unknown, and not
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because the size of the supplied buffer is too small. */
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if(strerror_r(error_number,error_message,sizeof(error_message)) != 0)
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{
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char number[20];
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number_to_string(error_number,number,sizeof(number));
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strcpy(error_message,"Unknown error ");
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strcat(error_message,number);
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}
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return(error_message);
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}
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