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/* Copyright (C) 19911993 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <stdio.h>
#include <string.h>
#ifndef HAVE_GNU_LD
#define _sys_errlist sys_errlist
#define _sys_nerr sys_nerr
#endif
/* Return a string describing the errno code in ERRNUM. */
char *
DEFUN(_strerror_internal, (errnum, buf), int errnum AND char buf[1024])
{
if (errnum < 0 || errnum > _sys_nerr)
{
static char fmt[] = "Unknown error %d";
size_t len = sprintf (buf, fmt, errnum);
if (len < sizeof(fmt) - 2)
return NULL;
buf[len - 1] = '\0';
return buf;
}
return (char *) _sys_errlist[errnum];
}
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