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
19 * You can also choose to distribute this program under the terms of
20 * the Unmodified Binary Distribution Licence (as given in the file
21 * COPYING.UBDL), provided that you have satisfied its requirements.
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
34 #include <ipxe/ansiesc.h>
35 #include <ipxe/lineconsole.h>
38 * Print a character to a line-based console
40 * @v character Character to be printed
41 * @ret print Print line
43 size_t line_putchar ( struct line_console *line, int character ) {
45 /* Strip ANSI escape sequences */
46 character = ansiesc_process ( &line->ctx, character );
50 /* Ignore carriage return */
51 if ( character == '\r' )
54 /* Treat newline as a terminator */
55 if ( character == '\n' )
58 /* Add character to buffer */
59 line->buffer[line->index++] = character;
61 /* Do nothing more unless we reach end-of-line (or end-of-buffer) */
62 if ( ( character != 0 ) &&
63 ( line->index < ( line->len - 1 /* NUL */ ) ) ) {
67 /* Reset to start of buffer */