8f92a81b81
This variable was used 4 times in 1 function and all uses were wrong. The 4 uses were in he test_frame() (show) function, to try to restore 4 colors, 2 unnecessarily and these 2 now broken. This was wrong because it is the previous colors that must be restored, but the global holds the original colors. Excessive setting of colors at the end restored the previous colors correctly in most cases, but I removed this a couple of revisions ago. Originally, this variable had 1 correct use, to test for being on a vty as a side effect of initializing it. This is now down in init(), and init() also leaves a better-named global with the same contents. Fix this by reading the current console info into a local variable in test_frame(), as is done for several other functions. Fix style bugs in this reading for all callers: - extra blank lines - all error messages different. The first one now in init() is not as specific as the old one, but it is after a different specific one for another ioctl and is unlikely to be reached when the first ioctl succeeds. Ones after the first are to repeat the ioctl, so are even more likely to be reached. The correctness of full removal of the old global depends on the error handling for failure to initialize it being unreachable. - err() instead of warn() for failure in load_font(). This is almost unreachable, and it makes no sense to continue after undoing previous changes with revert(). - unreachable return after err() for failure in dump_screen(). Undo large renaming of local variables from the good name 'info' to the bad name _info, which was done to protect the buggy global's bad name from -Wshadow warnings.
1457 lines
30 KiB
C
1457 lines
30 KiB
C
/*-
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* Copyright (c) 1994-1996 Søren Schmidt
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* All rights reserved.
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*
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* Portions of this software are based in part on the work of
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* Sascha Wildner <saw@online.de> contributed to The DragonFly Project
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $DragonFly: src/usr.sbin/vidcontrol/vidcontrol.c,v 1.10 2005/03/02 06:08:29 joerg Exp $
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*/
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#ifndef lint
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <ctype.h>
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#include <err.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <sys/fbio.h>
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#include <sys/consio.h>
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#include <sys/endian.h>
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#include <sys/errno.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/sysctl.h>
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#include "path.h"
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#include "decode.h"
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#define DATASIZE(x) ((x).w * (x).h * 256 / 8)
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/* Screen dump modes */
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#define DUMP_FMT_RAW 1
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#define DUMP_FMT_TXT 2
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/* Screen dump options */
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#define DUMP_FBF 0
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#define DUMP_ALL 1
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/* Screen dump file format revision */
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#define DUMP_FMT_REV 1
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static const char *legal_colors[16] = {
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"black", "blue", "green", "cyan",
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"red", "magenta", "brown", "white",
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"grey", "lightblue", "lightgreen", "lightcyan",
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"lightred", "lightmagenta", "yellow", "lightwhite"
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};
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static struct {
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int active_vty;
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vid_info_t console_info;
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unsigned char screen_map[256];
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int video_mode_number;
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struct video_info video_mode_info;
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} cur_info;
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struct vt4font_header {
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uint8_t magic[8];
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uint8_t width;
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uint8_t height;
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uint16_t pad;
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uint32_t glyph_count;
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uint32_t map_count[4];
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} __packed;
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static int hex = 0;
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static int vesa_cols;
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static int vesa_rows;
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static int font_height;
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static int vt4_mode = 0;
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static int video_mode_changed;
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static struct video_info new_mode_info;
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/*
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* Initialize revert data.
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*
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* NOTE: the following parameters are not yet saved/restored:
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*
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* screen saver timeout
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* cursor type
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* mouse character and mouse show/hide state
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* vty switching on/off state
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* history buffer size
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* history contents
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* font maps
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*/
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static void
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init(void)
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{
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if (ioctl(0, VT_GETACTIVE, &cur_info.active_vty) == -1)
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err(1, "getting active vty");
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cur_info.console_info.size = sizeof(cur_info.console_info);
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if (ioctl(0, CONS_GETINFO, &cur_info.console_info) == -1)
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err(1, "getting console information");
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/* vt(4) use unicode, so no screen mapping required. */
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if (vt4_mode == 0 &&
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ioctl(0, GIO_SCRNMAP, &cur_info.screen_map) == -1)
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err(1, "getting screen map");
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if (ioctl(0, CONS_GET, &cur_info.video_mode_number) == -1)
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err(1, "getting video mode number");
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cur_info.video_mode_info.vi_mode = cur_info.video_mode_number;
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if (ioctl(0, CONS_MODEINFO, &cur_info.video_mode_info) == -1)
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err(1, "getting video mode parameters");
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}
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/*
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* If something goes wrong along the way we call revert() to go back to the
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* console state we came from (which is assumed to be working).
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*
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* NOTE: please also read the comments of init().
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*/
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static void
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revert(void)
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{
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int save_errno, size[3];
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save_errno = errno;
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ioctl(0, VT_ACTIVATE, cur_info.active_vty);
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fprintf(stderr, "\033[=%dA", cur_info.console_info.mv_ovscan);
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fprintf(stderr, "\033[=%dH", cur_info.console_info.mv_rev.fore);
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fprintf(stderr, "\033[=%dI", cur_info.console_info.mv_rev.back);
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if (vt4_mode == 0)
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ioctl(0, PIO_SCRNMAP, &cur_info.screen_map);
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if (video_mode_changed) {
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if (cur_info.video_mode_number >= M_VESA_BASE)
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ioctl(0,
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_IO('V', cur_info.video_mode_number - M_VESA_BASE),
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NULL);
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else
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ioctl(0, _IO('S', cur_info.video_mode_number), NULL);
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if (cur_info.video_mode_info.vi_flags & V_INFO_GRAPHICS) {
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size[0] = cur_info.video_mode_info.vi_width / 8;
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size[1] = cur_info.video_mode_info.vi_height /
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cur_info.console_info.font_size;
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size[2] = cur_info.console_info.font_size;
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ioctl(0, KDRASTER, size);
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}
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}
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/* Restore some colors last since mode setting forgets some. */
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fprintf(stderr, "\033[=%dF", cur_info.console_info.mv_norm.fore);
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fprintf(stderr, "\033[=%dG", cur_info.console_info.mv_norm.back);
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errno = save_errno;
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}
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/*
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* Print a short usage string describing all options, then exit.
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*/
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static void
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usage(void)
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{
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if (vt4_mode)
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fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n",
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"usage: vidcontrol [-CHPpx] [-b color] [-c appearance] [-f [[size] file]]",
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" [-g geometry] [-h size] [-i active | adapter | mode]",
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" [-M char] [-m on | off] [-r foreground background]",
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" [-S on | off] [-s number] [-T xterm | cons25] [-t N | off]",
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" [mode] [foreground [background]] [show]");
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else
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fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n",
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"usage: vidcontrol [-CdHLPpx] [-b color] [-c appearance] [-f [size] file]",
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" [-g geometry] [-h size] [-i adapter | mode] [-l screen_map]",
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" [-M char] [-m on | off] [-r foreground background]",
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" [-S on | off] [-s number] [-T xterm | cons25] [-t N | off]",
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" [mode] [foreground [background]] [show]");
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exit(1);
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}
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/* Detect presence of vt(4). */
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static int
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is_vt4(void)
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{
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char vty_name[4] = "";
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size_t len = sizeof(vty_name);
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if (sysctlbyname("kern.vty", vty_name, &len, NULL, 0) != 0)
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return (0);
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return (strcmp(vty_name, "vt") == 0);
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}
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/*
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* Retrieve the next argument from the command line (for options that require
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* more than one argument).
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*/
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static char *
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nextarg(int ac, char **av, int *indp, int oc, int strict)
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{
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if (*indp < ac)
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return(av[(*indp)++]);
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if (strict != 0) {
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revert();
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errx(1, "option requires two arguments -- %c", oc);
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}
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return(NULL);
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}
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/*
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* Guess which file to open. Try to open each combination of a specified set
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* of file name components.
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*/
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static FILE *
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openguess(const char *a[], const char *b[], const char *c[], const char *d[], char **name)
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{
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FILE *f;
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int i, j, k, l;
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for (i = 0; a[i] != NULL; i++) {
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for (j = 0; b[j] != NULL; j++) {
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for (k = 0; c[k] != NULL; k++) {
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for (l = 0; d[l] != NULL; l++) {
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asprintf(name, "%s%s%s%s",
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a[i], b[j], c[k], d[l]);
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f = fopen(*name, "r");
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if (f != NULL)
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return (f);
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free(*name);
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}
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}
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}
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}
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return (NULL);
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}
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/*
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* Load a screenmap from a file and set it.
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*/
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static void
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load_scrnmap(const char *filename)
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{
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FILE *fd;
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int size;
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char *name;
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scrmap_t scrnmap;
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const char *a[] = {"", SCRNMAP_PATH, NULL};
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const char *b[] = {filename, NULL};
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const char *c[] = {"", ".scm", NULL};
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const char *d[] = {"", NULL};
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fd = openguess(a, b, c, d, &name);
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if (fd == NULL) {
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revert();
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errx(1, "screenmap file not found");
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}
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size = sizeof(scrnmap);
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if (decode(fd, (char *)&scrnmap, size) != size) {
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rewind(fd);
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if (fread(&scrnmap, 1, size, fd) != (size_t)size) {
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fclose(fd);
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revert();
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errx(1, "bad screenmap file");
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}
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}
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if (ioctl(0, PIO_SCRNMAP, &scrnmap) == -1) {
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revert();
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err(1, "loading screenmap");
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}
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fclose(fd);
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}
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/*
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* Set the default screenmap.
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*/
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static void
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load_default_scrnmap(void)
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{
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scrmap_t scrnmap;
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int i;
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for (i=0; i<256; i++)
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*((char*)&scrnmap + i) = i;
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if (ioctl(0, PIO_SCRNMAP, &scrnmap) == -1) {
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revert();
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err(1, "loading default screenmap");
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}
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}
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/*
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* Print the current screenmap to stdout.
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*/
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static void
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print_scrnmap(void)
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{
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unsigned char map[256];
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size_t i;
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if (ioctl(0, GIO_SCRNMAP, &map) == -1) {
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revert();
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err(1, "getting screenmap");
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}
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for (i=0; i<sizeof(map); i++) {
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if (i != 0 && i % 16 == 0)
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fprintf(stdout, "\n");
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if (hex != 0)
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fprintf(stdout, " %02x", map[i]);
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else
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fprintf(stdout, " %03d", map[i]);
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}
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fprintf(stdout, "\n");
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}
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/*
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* Determine a file's size.
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*/
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static int
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fsize(FILE *file)
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{
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struct stat sb;
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if (fstat(fileno(file), &sb) == 0)
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return sb.st_size;
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else
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return -1;
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}
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static vfnt_map_t *
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load_vt4mappingtable(unsigned int nmappings, FILE *f)
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{
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vfnt_map_t *t;
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unsigned int i;
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if (nmappings == 0)
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return (NULL);
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if ((t = calloc(nmappings, sizeof(*t))) == NULL) {
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warn("calloc");
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return (NULL);
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}
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if (fread(t, sizeof *t * nmappings, 1, f) != 1) {
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warn("read mappings");
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free(t);
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return (NULL);
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}
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for (i = 0; i < nmappings; i++) {
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t[i].src = be32toh(t[i].src);
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t[i].dst = be16toh(t[i].dst);
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t[i].len = be16toh(t[i].len);
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}
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return (t);
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}
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|
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/*
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* Set the default vt font.
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*/
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static void
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load_default_vt4font(void)
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{
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if (ioctl(0, PIO_VFONT_DEFAULT) == -1) {
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revert();
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err(1, "loading default vt font");
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}
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}
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static void
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load_vt4font(FILE *f)
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{
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struct vt4font_header fh;
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static vfnt_t vfnt;
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size_t glyphsize;
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unsigned int i;
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if (fread(&fh, sizeof fh, 1, f) != 1) {
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warn("read file_header");
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return;
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}
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if (memcmp(fh.magic, "VFNT0002", 8) != 0) {
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warnx("bad magic in font file\n");
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return;
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}
|
|
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for (i = 0; i < VFNT_MAPS; i++)
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vfnt.map_count[i] = be32toh(fh.map_count[i]);
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vfnt.glyph_count = be32toh(fh.glyph_count);
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vfnt.width = fh.width;
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vfnt.height = fh.height;
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|
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glyphsize = howmany(vfnt.width, 8) * vfnt.height * vfnt.glyph_count;
|
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if ((vfnt.glyphs = malloc(glyphsize)) == NULL) {
|
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warn("malloc");
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return;
|
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}
|
|
|
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if (fread(vfnt.glyphs, glyphsize, 1, f) != 1) {
|
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warn("read glyphs");
|
|
free(vfnt.glyphs);
|
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return;
|
|
}
|
|
|
|
for (i = 0; i < VFNT_MAPS; i++)
|
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vfnt.map[i] = load_vt4mappingtable(vfnt.map_count[i], f);
|
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|
|
if (ioctl(STDIN_FILENO, PIO_VFONT, &vfnt) == -1)
|
|
warn("PIO_VFONT");
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|
|
|
for (i = 0; i < VFNT_MAPS; i++)
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free(vfnt.map[i]);
|
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free(vfnt.glyphs);
|
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}
|
|
|
|
/*
|
|
* Load a font from file and set it.
|
|
*/
|
|
|
|
static void
|
|
load_font(const char *type, const char *filename)
|
|
{
|
|
FILE *fd;
|
|
int h, i, size, w;
|
|
unsigned long io = 0; /* silence stupid gcc(1) in the Wall mode */
|
|
char *name, *fontmap, size_sufx[6];
|
|
const char *a[] = {"", FONT_PATH, NULL};
|
|
const char *vt4a[] = {"", VT_FONT_PATH, NULL};
|
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const char *b[] = {filename, NULL};
|
|
const char *c[] = {"", size_sufx, NULL};
|
|
const char *d[] = {"", ".fnt", NULL};
|
|
vid_info_t info;
|
|
|
|
struct sizeinfo {
|
|
int w;
|
|
int h;
|
|
unsigned long io;
|
|
} sizes[] = {{8, 16, PIO_FONT8x16},
|
|
{8, 14, PIO_FONT8x14},
|
|
{8, 8, PIO_FONT8x8},
|
|
{0, 0, 0}};
|
|
|
|
if (vt4_mode) {
|
|
size_sufx[0] = '\0';
|
|
} else {
|
|
info.size = sizeof(info);
|
|
if (ioctl(0, CONS_GETINFO, &info) == -1) {
|
|
revert();
|
|
err(1, "getting console information");
|
|
}
|
|
|
|
snprintf(size_sufx, sizeof(size_sufx), "-8x%d", info.font_size);
|
|
}
|
|
fd = openguess((vt4_mode == 0) ? a : vt4a, b, c, d, &name);
|
|
|
|
if (fd == NULL) {
|
|
revert();
|
|
errx(1, "%s: can't load font file", filename);
|
|
}
|
|
|
|
if (vt4_mode) {
|
|
load_vt4font(fd);
|
|
fclose(fd);
|
|
return;
|
|
}
|
|
|
|
if (type != NULL) {
|
|
size = 0;
|
|
if (sscanf(type, "%dx%d", &w, &h) == 2) {
|
|
for (i = 0; sizes[i].w != 0; i++) {
|
|
if (sizes[i].w == w && sizes[i].h == h) {
|
|
size = DATASIZE(sizes[i]);
|
|
io = sizes[i].io;
|
|
font_height = sizes[i].h;
|
|
}
|
|
}
|
|
}
|
|
if (size == 0) {
|
|
fclose(fd);
|
|
revert();
|
|
errx(1, "%s: bad font size specification", type);
|
|
}
|
|
} else {
|
|
/* Apply heuristics */
|
|
|
|
int j;
|
|
int dsize[2];
|
|
|
|
size = DATASIZE(sizes[0]);
|
|
fontmap = (char*) malloc(size);
|
|
dsize[0] = decode(fd, fontmap, size);
|
|
dsize[1] = fsize(fd);
|
|
free(fontmap);
|
|
|
|
size = 0;
|
|
for (j = 0; j < 2; j++) {
|
|
for (i = 0; sizes[i].w != 0; i++) {
|
|
if (DATASIZE(sizes[i]) == dsize[j]) {
|
|
size = dsize[j];
|
|
io = sizes[i].io;
|
|
font_height = sizes[i].h;
|
|
j = 2; /* XXX */
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (size == 0) {
|
|
fclose(fd);
|
|
revert();
|
|
errx(1, "%s: can't guess font size", filename);
|
|
}
|
|
|
|
rewind(fd);
|
|
}
|
|
|
|
fontmap = (char*) malloc(size);
|
|
|
|
if (decode(fd, fontmap, size) != size) {
|
|
rewind(fd);
|
|
if (fsize(fd) != size ||
|
|
fread(fontmap, 1, size, fd) != (size_t)size) {
|
|
fclose(fd);
|
|
free(fontmap);
|
|
revert();
|
|
errx(1, "%s: bad font file", filename);
|
|
}
|
|
}
|
|
|
|
if (ioctl(0, io, fontmap) == -1) {
|
|
revert();
|
|
err(1, "loading font");
|
|
}
|
|
|
|
fclose(fd);
|
|
free(fontmap);
|
|
}
|
|
|
|
|
|
/*
|
|
* Set the timeout for the screensaver.
|
|
*/
|
|
|
|
static void
|
|
set_screensaver_timeout(char *arg)
|
|
{
|
|
int nsec;
|
|
|
|
if (!strcmp(arg, "off")) {
|
|
nsec = 0;
|
|
} else {
|
|
nsec = atoi(arg);
|
|
|
|
if ((*arg == '\0') || (nsec < 1)) {
|
|
revert();
|
|
errx(1, "argument must be a positive number");
|
|
}
|
|
}
|
|
|
|
if (ioctl(0, CONS_BLANKTIME, &nsec) == -1) {
|
|
revert();
|
|
err(1, "setting screensaver period");
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Set the cursor's shape/type.
|
|
*/
|
|
|
|
static void
|
|
set_cursor_type(char *appearance)
|
|
{
|
|
int type;
|
|
|
|
if (!strcmp(appearance, "normal"))
|
|
type = 0;
|
|
else if (!strcmp(appearance, "blink"))
|
|
type = 1;
|
|
else if (!strcmp(appearance, "destructive"))
|
|
type = 3;
|
|
else {
|
|
revert();
|
|
errx(1, "argument to -c must be normal, blink or destructive");
|
|
}
|
|
|
|
if (ioctl(0, CONS_CURSORTYPE, &type) == -1) {
|
|
revert();
|
|
err(1, "setting cursor type");
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Set the video mode.
|
|
*/
|
|
|
|
static void
|
|
video_mode(int argc, char **argv, int *mode_index)
|
|
{
|
|
static struct {
|
|
const char *name;
|
|
unsigned long mode;
|
|
unsigned long mode_num;
|
|
} modes[] = {
|
|
{ "80x25", SW_TEXT_80x25, M_TEXT_80x25 },
|
|
{ "80x30", SW_TEXT_80x30, M_TEXT_80x30 },
|
|
{ "80x43", SW_TEXT_80x43, M_TEXT_80x43 },
|
|
{ "80x50", SW_TEXT_80x50, M_TEXT_80x50 },
|
|
{ "80x60", SW_TEXT_80x60, M_TEXT_80x60 },
|
|
{ "132x25", SW_TEXT_132x25, M_TEXT_132x25 },
|
|
{ "132x30", SW_TEXT_132x30, M_TEXT_132x30 },
|
|
{ "132x43", SW_TEXT_132x43, M_TEXT_132x43 },
|
|
{ "132x50", SW_TEXT_132x50, M_TEXT_132x50 },
|
|
{ "132x60", SW_TEXT_132x60, M_TEXT_132x60 },
|
|
{ "VGA_40x25", SW_VGA_C40x25, M_VGA_C40x25 },
|
|
{ "VGA_80x25", SW_VGA_C80x25, M_VGA_C80x25 },
|
|
{ "VGA_80x30", SW_VGA_C80x30, M_VGA_C80x30 },
|
|
{ "VGA_80x50", SW_VGA_C80x50, M_VGA_C80x50 },
|
|
{ "VGA_80x60", SW_VGA_C80x60, M_VGA_C80x60 },
|
|
#ifdef SW_VGA_C90x25
|
|
{ "VGA_90x25", SW_VGA_C90x25, M_VGA_C90x25 },
|
|
{ "VGA_90x30", SW_VGA_C90x30, M_VGA_C90x30 },
|
|
{ "VGA_90x43", SW_VGA_C90x43, M_VGA_C90x43 },
|
|
{ "VGA_90x50", SW_VGA_C90x50, M_VGA_C90x50 },
|
|
{ "VGA_90x60", SW_VGA_C90x60, M_VGA_C90x60 },
|
|
#endif
|
|
{ "VGA_320x200", SW_VGA_CG320, M_CG320 },
|
|
{ "EGA_80x25", SW_ENH_C80x25, M_ENH_C80x25 },
|
|
{ "EGA_80x43", SW_ENH_C80x43, M_ENH_C80x43 },
|
|
{ "VESA_132x25", SW_VESA_C132x25,M_VESA_C132x25 },
|
|
{ "VESA_132x43", SW_VESA_C132x43,M_VESA_C132x43 },
|
|
{ "VESA_132x50", SW_VESA_C132x50,M_VESA_C132x50 },
|
|
{ "VESA_132x60", SW_VESA_C132x60,M_VESA_C132x60 },
|
|
{ "VESA_800x600", SW_VESA_800x600,M_VESA_800x600 },
|
|
{ NULL, 0, 0 },
|
|
};
|
|
|
|
int new_mode_num = 0;
|
|
unsigned long mode = 0;
|
|
int cur_mode;
|
|
int save_errno;
|
|
int size[3];
|
|
int i;
|
|
|
|
if (ioctl(0, CONS_GET, &cur_mode) < 0)
|
|
err(1, "cannot get the current video mode");
|
|
|
|
/*
|
|
* Parse the video mode argument...
|
|
*/
|
|
|
|
if (*mode_index < argc) {
|
|
if (!strncmp(argv[*mode_index], "MODE_", 5)) {
|
|
if (!isdigit(argv[*mode_index][5]))
|
|
errx(1, "invalid video mode number");
|
|
|
|
new_mode_num = atoi(&argv[*mode_index][5]);
|
|
} else {
|
|
for (i = 0; modes[i].name != NULL; ++i) {
|
|
if (!strcmp(argv[*mode_index], modes[i].name)) {
|
|
mode = modes[i].mode;
|
|
new_mode_num = modes[i].mode_num;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (modes[i].name == NULL)
|
|
return;
|
|
if (ioctl(0, mode, NULL) < 0) {
|
|
revert();
|
|
err(1, "cannot set videomode");
|
|
}
|
|
video_mode_changed = 1;
|
|
}
|
|
|
|
/*
|
|
* Collect enough information about the new video mode...
|
|
*/
|
|
|
|
new_mode_info.vi_mode = new_mode_num;
|
|
|
|
if (ioctl(0, CONS_MODEINFO, &new_mode_info) == -1) {
|
|
revert();
|
|
err(1, "obtaining new video mode parameters");
|
|
}
|
|
|
|
if (mode == 0) {
|
|
if (new_mode_num >= M_VESA_BASE)
|
|
mode = _IO('V', new_mode_num - M_VESA_BASE);
|
|
else
|
|
mode = _IO('S', new_mode_num);
|
|
}
|
|
|
|
/*
|
|
* Try setting the new mode.
|
|
*/
|
|
|
|
if (ioctl(0, mode, NULL) == -1) {
|
|
revert();
|
|
err(1, "setting video mode");
|
|
}
|
|
video_mode_changed = 1;
|
|
|
|
/*
|
|
* For raster modes it's not enough to just set the mode.
|
|
* We also need to explicitly set the raster mode.
|
|
*/
|
|
|
|
if (new_mode_info.vi_flags & V_INFO_GRAPHICS) {
|
|
/* font size */
|
|
|
|
if (font_height == 0)
|
|
font_height = cur_info.console_info.font_size;
|
|
|
|
size[2] = font_height;
|
|
|
|
/* adjust columns */
|
|
|
|
if ((vesa_cols * 8 > new_mode_info.vi_width) ||
|
|
(vesa_cols <= 0)) {
|
|
size[0] = new_mode_info.vi_width / 8;
|
|
} else {
|
|
size[0] = vesa_cols;
|
|
}
|
|
|
|
/* adjust rows */
|
|
|
|
if ((vesa_rows * font_height > new_mode_info.vi_height) ||
|
|
(vesa_rows <= 0)) {
|
|
size[1] = new_mode_info.vi_height /
|
|
font_height;
|
|
} else {
|
|
size[1] = vesa_rows;
|
|
}
|
|
|
|
/* set raster mode */
|
|
|
|
if (ioctl(0, KDRASTER, size)) {
|
|
save_errno = errno;
|
|
if (cur_mode >= M_VESA_BASE)
|
|
ioctl(0,
|
|
_IO('V', cur_mode - M_VESA_BASE),
|
|
NULL);
|
|
else
|
|
ioctl(0, _IO('S', cur_mode), NULL);
|
|
revert();
|
|
errno = save_errno;
|
|
err(1, "cannot activate raster display");
|
|
}
|
|
}
|
|
|
|
/* Recover from mode setting forgetting colors. */
|
|
fprintf(stderr, "\033[=%dF",
|
|
cur_info.console_info.mv_norm.fore);
|
|
fprintf(stderr, "\033[=%dG",
|
|
cur_info.console_info.mv_norm.back);
|
|
|
|
(*mode_index)++;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Return the number for a specified color name.
|
|
*/
|
|
|
|
static int
|
|
get_color_number(char *color)
|
|
{
|
|
int i;
|
|
|
|
for (i=0; i<16; i++) {
|
|
if (!strcmp(color, legal_colors[i]))
|
|
return i;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
|
|
/*
|
|
* Set normal text and background colors.
|
|
*/
|
|
|
|
static void
|
|
set_normal_colors(int argc, char **argv, int *_index)
|
|
{
|
|
int color;
|
|
|
|
if (*_index < argc && (color = get_color_number(argv[*_index])) != -1) {
|
|
(*_index)++;
|
|
fprintf(stderr, "\033[=%dF", color);
|
|
if (*_index < argc
|
|
&& (color = get_color_number(argv[*_index])) != -1) {
|
|
(*_index)++;
|
|
fprintf(stderr, "\033[=%dG", color);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Set reverse text and background colors.
|
|
*/
|
|
|
|
static void
|
|
set_reverse_colors(int argc, char **argv, int *_index)
|
|
{
|
|
int color;
|
|
|
|
if ((color = get_color_number(argv[*(_index)-1])) != -1) {
|
|
fprintf(stderr, "\033[=%dH", color);
|
|
if (*_index < argc
|
|
&& (color = get_color_number(argv[*_index])) != -1) {
|
|
(*_index)++;
|
|
fprintf(stderr, "\033[=%dI", color);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Switch to virtual terminal #arg.
|
|
*/
|
|
|
|
static void
|
|
set_console(char *arg)
|
|
{
|
|
int n;
|
|
|
|
if(!arg || strspn(arg,"0123456789") != strlen(arg)) {
|
|
revert();
|
|
errx(1, "bad console number");
|
|
}
|
|
|
|
n = atoi(arg);
|
|
|
|
if (n < 1 || n > 16) {
|
|
revert();
|
|
errx(1, "console number out of range");
|
|
} else if (ioctl(0, VT_ACTIVATE, n) == -1) {
|
|
revert();
|
|
err(1, "switching vty");
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Sets the border color.
|
|
*/
|
|
|
|
static void
|
|
set_border_color(char *arg)
|
|
{
|
|
int color;
|
|
|
|
if ((color = get_color_number(arg)) != -1) {
|
|
fprintf(stderr, "\033[=%dA", color);
|
|
}
|
|
else
|
|
usage();
|
|
}
|
|
|
|
static void
|
|
set_mouse_char(char *arg)
|
|
{
|
|
struct mouse_info mouse;
|
|
long l;
|
|
|
|
l = strtol(arg, NULL, 0);
|
|
|
|
if ((l < 0) || (l > UCHAR_MAX - 3)) {
|
|
revert();
|
|
warnx("argument to -M must be 0 through %d", UCHAR_MAX - 3);
|
|
return;
|
|
}
|
|
|
|
mouse.operation = MOUSE_MOUSECHAR;
|
|
mouse.u.mouse_char = (int)l;
|
|
|
|
if (ioctl(0, CONS_MOUSECTL, &mouse) == -1) {
|
|
revert();
|
|
err(1, "setting mouse character");
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Show/hide the mouse.
|
|
*/
|
|
|
|
static void
|
|
set_mouse(char *arg)
|
|
{
|
|
struct mouse_info mouse;
|
|
|
|
if (!strcmp(arg, "on")) {
|
|
mouse.operation = MOUSE_SHOW;
|
|
} else if (!strcmp(arg, "off")) {
|
|
mouse.operation = MOUSE_HIDE;
|
|
} else {
|
|
revert();
|
|
errx(1, "argument to -m must be either on or off");
|
|
}
|
|
|
|
if (ioctl(0, CONS_MOUSECTL, &mouse) == -1) {
|
|
revert();
|
|
err(1, "%sing the mouse",
|
|
mouse.operation == MOUSE_SHOW ? "show" : "hid");
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
set_lockswitch(char *arg)
|
|
{
|
|
int data;
|
|
|
|
if (!strcmp(arg, "off")) {
|
|
data = 0x01;
|
|
} else if (!strcmp(arg, "on")) {
|
|
data = 0x02;
|
|
} else {
|
|
revert();
|
|
errx(1, "argument to -S must be either on or off");
|
|
}
|
|
|
|
if (ioctl(0, VT_LOCKSWITCH, &data) == -1) {
|
|
revert();
|
|
err(1, "turning %s vty switching",
|
|
data == 0x01 ? "off" : "on");
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Return the adapter name for a specified type.
|
|
*/
|
|
|
|
static const char
|
|
*adapter_name(int type)
|
|
{
|
|
static struct {
|
|
int type;
|
|
const char *name;
|
|
} names[] = {
|
|
{ KD_MONO, "MDA" },
|
|
{ KD_HERCULES, "Hercules" },
|
|
{ KD_CGA, "CGA" },
|
|
{ KD_EGA, "EGA" },
|
|
{ KD_VGA, "VGA" },
|
|
{ KD_TGA, "TGA" },
|
|
{ -1, "Unknown" },
|
|
};
|
|
|
|
int i;
|
|
|
|
for (i = 0; names[i].type != -1; ++i)
|
|
if (names[i].type == type)
|
|
break;
|
|
return names[i].name;
|
|
}
|
|
|
|
|
|
/*
|
|
* Show active VTY, ie current console number.
|
|
*/
|
|
|
|
static void
|
|
show_active_info(void)
|
|
{
|
|
|
|
printf("%d\n", cur_info.active_vty);
|
|
}
|
|
|
|
|
|
/*
|
|
* Show graphics adapter information.
|
|
*/
|
|
|
|
static void
|
|
show_adapter_info(void)
|
|
{
|
|
struct video_adapter_info ad;
|
|
|
|
ad.va_index = 0;
|
|
|
|
if (ioctl(0, CONS_ADPINFO, &ad) == -1) {
|
|
revert();
|
|
err(1, "obtaining adapter information");
|
|
}
|
|
|
|
printf("fb%d:\n", ad.va_index);
|
|
printf(" %.*s%d, type:%s%s (%d), flags:0x%x\n",
|
|
(int)sizeof(ad.va_name), ad.va_name, ad.va_unit,
|
|
(ad.va_flags & V_ADP_VESA) ? "VESA " : "",
|
|
adapter_name(ad.va_type), ad.va_type, ad.va_flags);
|
|
printf(" initial mode:%d, current mode:%d, BIOS mode:%d\n",
|
|
ad.va_initial_mode, ad.va_mode, ad.va_initial_bios_mode);
|
|
printf(" frame buffer window:0x%zx, buffer size:0x%zx\n",
|
|
ad.va_window, ad.va_buffer_size);
|
|
printf(" window size:0x%zx, origin:0x%x\n",
|
|
ad.va_window_size, ad.va_window_orig);
|
|
printf(" display start address (%d, %d), scan line width:%d\n",
|
|
ad.va_disp_start.x, ad.va_disp_start.y, ad.va_line_width);
|
|
printf(" reserved:0x%zx\n", ad.va_unused0);
|
|
}
|
|
|
|
|
|
/*
|
|
* Show video mode information.
|
|
*/
|
|
|
|
static void
|
|
show_mode_info(void)
|
|
{
|
|
char buf[80];
|
|
struct video_info info;
|
|
int c;
|
|
int mm;
|
|
int mode;
|
|
|
|
printf(" mode# flags type size "
|
|
"font window linear buffer\n");
|
|
printf("---------------------------------------"
|
|
"---------------------------------------\n");
|
|
|
|
memset(&info, 0, sizeof(info));
|
|
for (mode = 0; mode <= M_VESA_MODE_MAX; ++mode) {
|
|
info.vi_mode = mode;
|
|
if (ioctl(0, CONS_MODEINFO, &info))
|
|
continue;
|
|
if (info.vi_mode != mode)
|
|
continue;
|
|
if (info.vi_width == 0 && info.vi_height == 0 &&
|
|
info.vi_cwidth == 0 && info.vi_cheight == 0)
|
|
continue;
|
|
|
|
printf("%3d (0x%03x)", mode, mode);
|
|
printf(" 0x%08x", info.vi_flags);
|
|
if (info.vi_flags & V_INFO_GRAPHICS) {
|
|
c = 'G';
|
|
|
|
if (info.vi_mem_model == V_INFO_MM_PLANAR)
|
|
snprintf(buf, sizeof(buf), "%dx%dx%d %d",
|
|
info.vi_width, info.vi_height,
|
|
info.vi_depth, info.vi_planes);
|
|
else {
|
|
switch (info.vi_mem_model) {
|
|
case V_INFO_MM_PACKED:
|
|
mm = 'P';
|
|
break;
|
|
case V_INFO_MM_DIRECT:
|
|
mm = 'D';
|
|
break;
|
|
case V_INFO_MM_CGA:
|
|
mm = 'C';
|
|
break;
|
|
case V_INFO_MM_HGC:
|
|
mm = 'H';
|
|
break;
|
|
case V_INFO_MM_VGAX:
|
|
mm = 'V';
|
|
break;
|
|
default:
|
|
mm = ' ';
|
|
break;
|
|
}
|
|
snprintf(buf, sizeof(buf), "%dx%dx%d %c",
|
|
info.vi_width, info.vi_height,
|
|
info.vi_depth, mm);
|
|
}
|
|
} else {
|
|
c = 'T';
|
|
|
|
snprintf(buf, sizeof(buf), "%dx%d",
|
|
info.vi_width, info.vi_height);
|
|
}
|
|
|
|
printf(" %c %-15s", c, buf);
|
|
snprintf(buf, sizeof(buf), "%dx%d",
|
|
info.vi_cwidth, info.vi_cheight);
|
|
printf(" %-5s", buf);
|
|
printf(" 0x%05zx %2dk %2dk",
|
|
info.vi_window, (int)info.vi_window_size/1024,
|
|
(int)info.vi_window_gran/1024);
|
|
printf(" 0x%08zx %dk\n",
|
|
info.vi_buffer, (int)info.vi_buffer_size/1024);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
show_info(char *arg)
|
|
{
|
|
|
|
if (!strcmp(arg, "active")) {
|
|
show_active_info();
|
|
} else if (!strcmp(arg, "adapter")) {
|
|
show_adapter_info();
|
|
} else if (!strcmp(arg, "mode")) {
|
|
show_mode_info();
|
|
} else {
|
|
revert();
|
|
errx(1, "argument to -i must be active, adapter, or mode");
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
test_frame(void)
|
|
{
|
|
vid_info_t info;
|
|
int i, fore;
|
|
|
|
info.size = sizeof(info);
|
|
if (ioctl(0, CONS_GETINFO, &info) == -1)
|
|
err(1, "getting console information");
|
|
|
|
fore = 15;
|
|
|
|
fprintf(stdout, "\033[=0G\n\n");
|
|
for (i=0; i<8; i++) {
|
|
fprintf(stdout, "\033[=%dF\033[=0G %2d \033[=%dF%-16s"
|
|
"\033[=%dF\033[=0G %2d \033[=%dF%-16s "
|
|
"\033[=%dF %2d \033[=%dGBACKGROUND\033[=0G\n",
|
|
fore, i, i, legal_colors[i],
|
|
fore, i+8, i+8, legal_colors[i+8],
|
|
fore, i, i);
|
|
}
|
|
fprintf(stdout, "\033[=%dF\033[=%dG\033[=%dH\033[=%dI\n",
|
|
info.mv_norm.fore, info.mv_norm.back,
|
|
info.mv_rev.fore, info.mv_rev.back);
|
|
}
|
|
|
|
|
|
/*
|
|
* Snapshot the video memory of that terminal, using the CONS_SCRSHOT
|
|
* ioctl, and writes the results to stdout either in the special
|
|
* binary format (see manual page for details), or in the plain
|
|
* text format.
|
|
*/
|
|
|
|
static void
|
|
dump_screen(int mode, int opt)
|
|
{
|
|
scrshot_t shot;
|
|
vid_info_t info;
|
|
|
|
info.size = sizeof(info);
|
|
if (ioctl(0, CONS_GETINFO, &info) == -1) {
|
|
revert();
|
|
err(1, "getting console information");
|
|
}
|
|
|
|
shot.x = shot.y = 0;
|
|
shot.xsize = info.mv_csz;
|
|
shot.ysize = info.mv_rsz;
|
|
if (opt == DUMP_ALL)
|
|
shot.ysize += info.mv_hsz;
|
|
|
|
shot.buf = alloca(shot.xsize * shot.ysize * sizeof(u_int16_t));
|
|
if (shot.buf == NULL) {
|
|
revert();
|
|
errx(1, "failed to allocate memory for dump");
|
|
}
|
|
|
|
if (ioctl(0, CONS_SCRSHOT, &shot) == -1) {
|
|
revert();
|
|
err(1, "dumping screen");
|
|
}
|
|
|
|
if (mode == DUMP_FMT_RAW) {
|
|
printf("SCRSHOT_%c%c%c%c", DUMP_FMT_REV, 2,
|
|
shot.xsize, shot.ysize);
|
|
|
|
fflush(stdout);
|
|
|
|
write(STDOUT_FILENO, shot.buf,
|
|
shot.xsize * shot.ysize * sizeof(u_int16_t));
|
|
} else {
|
|
char *line;
|
|
int x, y;
|
|
u_int16_t ch;
|
|
|
|
line = alloca(shot.xsize + 1);
|
|
|
|
if (line == NULL) {
|
|
revert();
|
|
errx(1, "failed to allocate memory for line buffer");
|
|
}
|
|
|
|
for (y = 0; y < shot.ysize; y++) {
|
|
for (x = 0; x < shot.xsize; x++) {
|
|
ch = shot.buf[x + (y * shot.xsize)];
|
|
ch &= 0xff;
|
|
|
|
if (isprint(ch) == 0)
|
|
ch = ' ';
|
|
|
|
line[x] = (char)ch;
|
|
}
|
|
|
|
/* Trim trailing spaces */
|
|
|
|
do {
|
|
line[x--] = '\0';
|
|
} while (line[x] == ' ' && x != 0);
|
|
|
|
puts(line);
|
|
}
|
|
|
|
fflush(stdout);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Set the console history buffer size.
|
|
*/
|
|
|
|
static void
|
|
set_history(char *opt)
|
|
{
|
|
int size;
|
|
|
|
size = atoi(opt);
|
|
|
|
if ((*opt == '\0') || size < 0) {
|
|
revert();
|
|
errx(1, "argument must be a positive number");
|
|
}
|
|
|
|
if (ioctl(0, CONS_HISTORY, &size) == -1) {
|
|
revert();
|
|
err(1, "setting history buffer size");
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Clear the console history buffer.
|
|
*/
|
|
|
|
static void
|
|
clear_history(void)
|
|
{
|
|
if (ioctl(0, CONS_CLRHIST) == -1) {
|
|
revert();
|
|
err(1, "clearing history buffer");
|
|
}
|
|
}
|
|
|
|
static void
|
|
set_terminal_mode(char *arg)
|
|
{
|
|
|
|
if (strcmp(arg, "xterm") == 0)
|
|
fprintf(stderr, "\033[=T");
|
|
else if (strcmp(arg, "cons25") == 0)
|
|
fprintf(stderr, "\033[=1T");
|
|
}
|
|
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
char *font, *type, *termmode;
|
|
const char *opts;
|
|
int dumpmod, dumpopt, opt;
|
|
|
|
vt4_mode = is_vt4();
|
|
|
|
init();
|
|
|
|
dumpmod = 0;
|
|
dumpopt = DUMP_FBF;
|
|
termmode = NULL;
|
|
if (vt4_mode)
|
|
opts = "b:Cc:fg:h:Hi:M:m:pPr:S:s:T:t:x";
|
|
else
|
|
opts = "b:Cc:dfg:h:Hi:l:LM:m:pPr:S:s:T:t:x";
|
|
|
|
while ((opt = getopt(argc, argv, opts)) != -1)
|
|
switch(opt) {
|
|
case 'b':
|
|
set_border_color(optarg);
|
|
break;
|
|
case 'C':
|
|
clear_history();
|
|
break;
|
|
case 'c':
|
|
set_cursor_type(optarg);
|
|
break;
|
|
case 'd':
|
|
if (vt4_mode)
|
|
break;
|
|
print_scrnmap();
|
|
break;
|
|
case 'f':
|
|
optarg = nextarg(argc, argv, &optind, 'f', 0);
|
|
if (optarg != NULL) {
|
|
font = nextarg(argc, argv, &optind, 'f', 0);
|
|
|
|
if (font == NULL) {
|
|
type = NULL;
|
|
font = optarg;
|
|
} else
|
|
type = optarg;
|
|
|
|
load_font(type, font);
|
|
} else {
|
|
if (!vt4_mode)
|
|
usage(); /* Switch syscons to ROM? */
|
|
|
|
load_default_vt4font();
|
|
}
|
|
break;
|
|
case 'g':
|
|
if (sscanf(optarg, "%dx%d",
|
|
&vesa_cols, &vesa_rows) != 2) {
|
|
revert();
|
|
warnx("incorrect geometry: %s", optarg);
|
|
usage();
|
|
}
|
|
break;
|
|
case 'h':
|
|
set_history(optarg);
|
|
break;
|
|
case 'H':
|
|
dumpopt = DUMP_ALL;
|
|
break;
|
|
case 'i':
|
|
show_info(optarg);
|
|
break;
|
|
case 'l':
|
|
if (vt4_mode)
|
|
break;
|
|
load_scrnmap(optarg);
|
|
break;
|
|
case 'L':
|
|
if (vt4_mode)
|
|
break;
|
|
load_default_scrnmap();
|
|
break;
|
|
case 'M':
|
|
set_mouse_char(optarg);
|
|
break;
|
|
case 'm':
|
|
set_mouse(optarg);
|
|
break;
|
|
case 'p':
|
|
dumpmod = DUMP_FMT_RAW;
|
|
break;
|
|
case 'P':
|
|
dumpmod = DUMP_FMT_TXT;
|
|
break;
|
|
case 'r':
|
|
set_reverse_colors(argc, argv, &optind);
|
|
break;
|
|
case 'S':
|
|
set_lockswitch(optarg);
|
|
break;
|
|
case 's':
|
|
set_console(optarg);
|
|
break;
|
|
case 'T':
|
|
if (strcmp(optarg, "xterm") != 0 &&
|
|
strcmp(optarg, "cons25") != 0)
|
|
usage();
|
|
termmode = optarg;
|
|
break;
|
|
case 't':
|
|
set_screensaver_timeout(optarg);
|
|
break;
|
|
case 'x':
|
|
hex = 1;
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
|
|
if (dumpmod != 0)
|
|
dump_screen(dumpmod, dumpopt);
|
|
video_mode(argc, argv, &optind);
|
|
set_normal_colors(argc, argv, &optind);
|
|
|
|
if (optind < argc && !strcmp(argv[optind], "show")) {
|
|
test_frame();
|
|
optind++;
|
|
}
|
|
|
|
if (termmode != NULL)
|
|
set_terminal_mode(termmode);
|
|
|
|
if ((optind != argc) || (argc == 1))
|
|
usage();
|
|
return (0);
|
|
}
|
|
|