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/*
* fstrcmp - fuzzy string compare library
* Copyright (C) 2009 Peter Miller
* Written by Peter Miller <pmiller@opensource.org.au>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <lib/ac/stddef.h>
#include <lib/ac/stdlib.h>
#include <lib/ac/string.h>
#include <lib/ac/stdio.h>
#include <lib/gcc_attributes.h>
/*
* NAME
* strerror - string for error number
*
* SYNOPSIS
* char *strerror(int errnum);
*
* DESCRIPTION
* The strerror function maps the error number in errnum to an error
* message string.
*
* RETURNS
* The strerror function returns a pointer to the string, the contents of
* which are implementation-defined. The array pointed to shall not be
* modified by the program, but may be overwritten by a subsequent call to
* the strerror function.
*
* CAVEAT
* Unknown errors will be rendered in the form "Error %d", where %d will
* be replaced by a decimal representation of the error number.
*/
#ifndef HAVE_STRERROR
LINKAGE_HIDDEN
char *
strerror(int n)
{
extern int sys_nerr;
extern char *sys_errlist[];
static char buffer[16];
if (n < 1 || n > sys_nerr)
{
sprintf(buffer, "Error %d", n);
return buffer;
}
return sys_errlist[n];
}
#endif /* !HAVE_STRERROR */
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