Changes to error.c [branch-1_4]

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Branch:         branch-1_4
Changes by:     Eric Blake <ericb>      06/06/15 13:13:26

Index: error.c
===================================================================
RCS file: error.c
diff -N error.c
--- error.c     1 May 2005 11:54:12 -0000       1.1.1.1.2.1
+++ /dev/null   1 Jan 1970 00:00:00 -0000
@@ -1,122 +0,0 @@
-/* error.c -- error handler for noninteractive utilities
-
-   Copyright (C) 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
-
-   This program 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 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 General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301  USA
-*/
-
-/* Written by David MacKenzie <address@hidden>.  */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-
-#if HAVE_VPRINTF || HAVE_DOPRNT
-# if __STDC__
-#  include <stdarg.h>
-#  define VA_START(args, lastarg) va_start(args, lastarg)
-# else
-#  include <varargs.h>
-#  define VA_START(args, lastarg) va_start(args)
-# endif
-#else
-# define va_alist a1, a2, a3, a4, a5, a6, a7, a8
-# define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
-#endif
-
-#if STDC_HEADERS
-# include <stdlib.h>
-# include <string.h>
-#else
-void exit ();
-#endif
-
-/* If NULL, error will flush stdout, then print on stderr the program
-   name, a colon and a space.  Otherwise, error will call this
-   function without parameters instead.  */
-void (*error_print_progname) () = NULL;
-
-/* The calling program should define program_name and set it to the
-   name of the executing program.  */
-extern char *program_name;
-
-#if HAVE_STRERROR
-char *strerror ();
-#else
-static char *
-private_strerror (errnum)
-     int errnum;
-{
-  extern char *sys_errlist[];
-  extern int sys_nerr;
-
-  if (errnum > 0 && errnum <= sys_nerr)
-    return sys_errlist[errnum];
-  return "Unknown system error";
-}
-#define strerror private_strerror
-#endif
-
-/* Print the program name and error message MESSAGE, which is a printf-style
-   format string with optional args.
-   If ERRNUM is nonzero, print its corresponding system error message.
-   Exit with status STATUS if it is nonzero.  */
-/* VARARGS */
-
-void
-#if defined(VA_START) && __STDC__
-error (int status, int errnum, const char *message, ...)
-#else
-error (status, errnum, message, va_alist)
-     int status;
-     int errnum;
-     char *message;
-     va_dcl
-#endif
-{
-#ifdef VA_START
-  va_list args;
-#endif
-
-  if (error_print_progname)
-    (*error_print_progname) ();
-  else
-    {
-      fflush (stdout);
-      fprintf (stderr, "%s: ", program_name);
-    }
-
-#ifdef VA_START
-  VA_START (args, message);
-# if HAVE_VPRINTF
-  vfprintf (stderr, message, args);
-# else
-  _doprnt (message, args, stderr);
-# endif
-  va_end (args);
-#else
-  fprintf (stderr, message, a1, a2, a3, a4, a5, a6, a7, a8);
-#endif
-
-  if (errnum)
-    fprintf (stderr, ": %s", strerror (errnum));
-  putc ('\n', stderr);
-  fflush (stderr);
-  if (status)
-    exit (status);
-}