diff options
Diffstat (limited to 'sys/dev/vcons/vcons_io.c')
-rw-r--r-- | sys/dev/vcons/vcons_io.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/sys/dev/vcons/vcons_io.c b/sys/dev/vcons/vcons_io.c deleted file mode 100644 index f4e693e..0000000 --- a/sys/dev/vcons/vcons_io.c +++ /dev/null @@ -1,84 +0,0 @@ -/* - * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Hyra nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <dev/vcons/vcons_io.h> -#include <dev/vcons/vcons.h> -#include <sys/cdefs.h> -#include <sys/ascii.h> - -static void -vcons_expand_tab(struct vcons_screen *scr) -{ - for (size_t i = 0; i < VCONS_TAB_WIDTH; ++i) { - vcons_putch(scr, ' '); - } -} - -/* - * This routine tries to process the output `c'. - * - * Returns < 0 value on failure. Values >= 0 - * is `c' which may differ from the original. - * - * This routine also may modify the screen state - * if `c' is a control character. - */ -int -vcons_process_output(struct vcons_screen *scr, int c) -{ - struct vcons_cursor *cursor = &scr->cursor; - - switch (c) { - case ASCII_LF: - scr->cpy_y++; - cursor->ypos += FONT_HEIGHT; - - scr->cpy_x = 0; - cursor->xpos = 0; - break; - case ASCII_CR: - scr->cpy_x = 0; - cursor->xpos = 0; - break; - case ASCII_HT: - vcons_expand_tab(scr); - break; - case ASCII_BS: - if (cursor->xpos > 0) { - scr->cpy_x--; - cursor->xpos -= FONT_WIDTH; - } - break; - default: - return -1; - } - - vcons_update_cursor(scr); - return c; -} |