1/* Copyright (C) 1989, 1990, 1991, 1992, 2001, 2003 2 Free Software Foundation, Inc. 3 Written by James Clark (jjc@jclark.com) 4 5This file is part of groff. 6 7groff is free software; you can redistribute it and/or modify it under 8the terms of the GNU General Public License as published by the Free 9Software Foundation; either version 2, or (at your option) any later 10version. 11 12groff is distributed in the hope that it will be useful, but WITHOUT ANY 13WARRANTY; without even the implied warranty of MERCHANTABILITY or 14FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15for more details. 16 17You should have received a copy of the GNU General Public License along 18with groff; see the file COPYING. If not, write to the Free Software 19Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */ 20 21#ifdef HAVE_CONFIG_H 22#include <config.h> 23#endif 24 25#include <stdio.h> 26#include <errno.h> 27#include <stdlib.h> /* for MinGW */ 28 29#define INT_DIGITS 19 /* enough for 64 bit integer */ 30 31#ifndef HAVE_SYS_NERR 32extern int sys_nerr; 33#endif 34#ifndef HAVE_SYS_ERRLIST 35extern char *sys_errlist[]; 36#endif 37 38char *strerror(n) 39 int n; 40{ 41 static char buf[sizeof("Error ") + 1 + INT_DIGITS]; 42 if (n >= 0 && n < sys_nerr && sys_errlist[n] != 0) 43 return sys_errlist[n]; 44 else { 45 sprintf(buf, "Error %d", n); 46 return buf; 47 } 48} 49