2 * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>.
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 2 of the
7 * License, or any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
20 FILE_LICENCE ( GPL2_OR_LATER );
30 #include <ipxe/ansiesc.h>
31 #include <ipxe/lineconsole.h>
34 * Print a character to a line-based console
36 * @v character Character to be printed
37 * @ret print Print line
39 size_t line_putchar ( struct line_console *line, int character ) {
41 /* Strip ANSI escape sequences */
42 character = ansiesc_process ( &line->ctx, character );
46 /* Ignore carriage return */
47 if ( character == '\r' )
50 /* Treat newline as a terminator */
51 if ( character == '\n' )
54 /* Add character to buffer */
55 line->buffer[line->index++] = character;
57 /* Do nothing more unless we reach end-of-line (or end-of-buffer) */
58 if ( ( character != 0 ) &&
59 ( line->index < ( line->len - 1 /* NUL */ ) ) ) {
63 /* Reset to start of buffer */