/* strerror.c - string corresponding to a particular value of errno. */ /* Copyright (C) 1995 Free Software Foundation, Inc. This file is part of GNU Bash, the Bourne Again SHell. Bash is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. Bash 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 General Public License for more details. You should have received a copy of the GNU General Public License along with Bash; see the file COPYING. If not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA */ #include <config.h> #if !defined (HAVE_STRERROR) #include <bashtypes.h> #ifndef _MINIX # include <sys/param.h> #endif #if defined (HAVE_UNISTD_H) # include <unistd.h> #endif #include <stdio.h> #include <errno.h> #include <shell.h> #if !defined (errno) extern int errno; #endif /* !errno */ /* Return a string corresponding to the error number E. From the ANSI C spec. */ #if defined (strerror) # undef strerror #endif static char *errbase = "Unknown system error "; char * strerror (e) int e; { static char emsg[40]; #if defined (HAVE_SYS_ERRLIST) extern int sys_nerr; extern char *sys_errlist[]; if (e > 0 && e < sys_nerr) return (sys_errlist[e]); else #endif /* HAVE_SYS_ERRLIST */ { char *z; z = itos (e); strcpy (emsg, errbase); strcat (emsg, z); free (z); return (&emsg[0]); } } #endif /* HAVE_STRERROR */