From 06e4c77310bc535a1820ef27fcd522289acc31ba Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Fri, 21 Sep 2001 22:26:45 +0000 Subject: [PATCH] (unicode_to_mb): Return int, not void. New arg for failure callback. (print_unicode_success, print_unicode_failure): New decls. (print_unicode_char): Return int, not void. --- lib/unicodeio.h | 43 +++++++++++++++++++++++++++++++++++++------ 1 file changed, 37 insertions(+), 6 deletions(-) diff --git a/lib/unicodeio.h b/lib/unicodeio.h index c462b3e..4a22bfb 100644 --- a/lib/unicodeio.h +++ b/lib/unicodeio.h @@ -1,3 +1,21 @@ +/* Unicode character output to streams with locale dependent encoding. + + Copyright (C) 2000, 2001 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + #ifndef UNICODEIO_H # define UNICODEIO_H @@ -13,14 +31,27 @@ /* Converts the Unicode character CODE to its multibyte representation in the current locale and calls the CALLBACK on the resulting byte - sequence. */ -extern void unicode_to_mb + sequence. If an error occurs, invokes ERROR_CALLBACK instead, + passing it CODE with errno set appropriately. Returns whatever the + callback returns. */ +extern int unicode_to_mb PARAMS ((unsigned int code, - void (*callback) PARAMS ((const char *buf, size_t buflen, - void *callback_arg)), + int (*callback) PARAMS ((const char *buf, size_t buflen, + void *callback_arg)), + int (*error_callback) PARAMS ((unsigned int code, + void * callback_arg)), void *callback_arg)); -/* Outputs the Unicode character CODE to the output stream STREAM. */ -extern void print_unicode_char PARAMS((FILE *stream, unsigned int code)); +/* Success callback that outputs the conversion of the character. */ +extern int print_unicode_success PARAMS((const char *buf, size_t buflen, + void *callback_arg)); + +/* Failure callback that outputs an ASCII representation. */ +extern int print_unicode_failure PARAMS((unsigned int code, + void *callback_arg)); + +/* Outputs the Unicode character CODE to the output stream STREAM. + Returns -1 (setting errno) if unsuccessful. */ +extern int print_unicode_char PARAMS((FILE *stream, unsigned int code)); #endif -- 2.45.2