/* error.h -- declaration for error-reporting function
- Copyright (C) 1995 Software Foundation, Inc.
+ Copyright (C) 1995, 1996 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
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-#ifndef _error_h_
-#define _error_h_
+#ifndef ERROR_H_
+# define ERROR_H_
-#ifndef __attribute__
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
-# define __attribute__(Spec) /* empty */
+# ifndef __attribute__
+/* This feature is available in gcc versions 2.5 and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+# define __attribute__(Spec) /* empty */
+# endif
+/* The __-protected variants of `format' and `printf' attributes
+ are accepted by gcc versions 2.6.4 (effectively 2.7) and later. */
+# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 7)
+# define __format__ format
+# define __printf__ printf
+# endif
# endif
-#endif
-#if __STDC__
-void error (int, int, const char *, ...) \
- __attribute__ ((format (printf, 3, 4)));
-#else
+# if defined (__STDC__) && __STDC__
+
+/* Print a message with `fprintf (stderr, FORMAT, ...)';
+ if ERRNUM is nonzero, follow it with ": " and strerror (ERRNUM).
+ If STATUS is nonzero, terminate the program with `exit (STATUS)'. */
+
+extern void error (int status, int errnum, const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 3, 4)));
+
+extern void error_at_line (int status, int errnum, const char *fname,
+ unsigned int lineno, const char *format, ...)
+ __attribute__ ((__format__ (__printf__, 5, 6)));
+
+/* 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. */
+extern void (*error_print_progname) (void);
+
+# else
void error ();
-#endif
+void error_at_line ();
+extern void (*error_print_progname) ();
+# endif
+
+/* This variable is incremented each time `error' is called. */
+extern unsigned int error_message_count;
+
+/* Sometimes we want to have at most one error per line. This
+ variable controls whether this mode is selected or not. */
+extern int error_one_per_line;
-#endif /* _error_h_ */
+#endif /* not ERROR_H_ */