2002-02-02 Paul Eggert <eggert@twinsun.com>

	    Bruno Haible  <bruno@clisp.org>

	* unicodeio.c (unicode_to_mb): New function, extracted from
	print_unicode_char. Call failure callback instead of error.
	(fwrite_success_callback): New function.
	(exit_failure_callback): New function.
	(fallback_failure_callback): New function.
	(print_unicode_char): Call unicode_to_mb.

diff --git a/lib/unicodeio.h b/lib/unicodeio.h
index f4bd1b7f700984a4b41857b80236f1a4c560f165..fb2b75242539ad67e24ddc0aaa37e4e8c1a7e663 100644 (file)
--- a/lib/unicodeio.h
+++ b/lib/unicodeio.h
@@ -1,3 +1,22 @@
+/* Unicode character output to streams with locale dependent encoding.
+
+   Copyright (C) 2000-2002 Free Software Foundation, Inc.
+
+   This program 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, 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+   USA.  */
+
 #ifndef UNICODEIO_H
 # define UNICODEIO_H
 
@@ -11,7 +30,15 @@
 #  endif
 # endif
 
-/* Outputs the Unicode character CODE to the output stream STREAM.  */
-extern void print_unicode_char PARAMS((FILE *stream, unsigned int code));
+/* Outputs the Unicode character CODE to the output stream STREAM.
+   Upon failure, exit if exit_on_error is true, otherwise output a fallback
+   notation.  */
+extern void print_unicode_char PARAMS ((FILE *stream, unsigned int code,
+                                       int exit_on_error));
+
+/* Simple success callback that outputs the converted string.
+   The STREAM is passed as callback_arg.  */
+extern long fwrite_success_callback PARAMS ((const char *buf, size_t buflen,
+                                            void *callback_arg));
 
 #endif