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Add a new -H' modifier, which when combined with -p' or `-P' allows to dump

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full console history.
This commit is contained in:
Maxim Sobolev 2002-08-19 16:33:23 +00:00
parent 41a2a5c1c6
commit c449db6ab2
2 changed files with 38 additions and 14 deletions
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11
usr.sbin/vidcontrol/vidcontrol.1
View File

@ -21,7 +21,7 @@
.Nd system console control and configuration utility
.Sh SYNOPSIS
.Nm
.Op Fl CdLPpx
.Op Fl CdLHPpx
.Op Fl b Ar color
.Op Fl c Ar appearance
.Oo
@ -209,6 +209,15 @@ Same as
but dump contents of the video buffer in a plain text format
ignoring nonprintable characters and information about text
attributes.
.It Fl H
When used with
.Fl p
or
.Fl P ,
it instructs
.Nm
to dump full history buffer instead of visible portion of
the video buffer only.
.It Fl r Ar foreground background
Change reverse mode colors to
.Ar foreground

41
usr.sbin/vidcontrol/vidcontrol.c
View File

@ -50,9 +50,13 @@ static const char rcsid[] =
#define _VESA_800x600_DFL_ROWS 25
#define _VESA_800x600_DFL_FNSZ 16
#define DUMP_RAW 0
#define DUMP_TXT 1
/* Screen dump modes */
#define DUMP_FMT_RAW 1
#define DUMP_FMT_TXT 2
/* Screen dump options */
#define DUMP_FBF 0
#define DUMP_ALL 1
/* Screen dump file format revision */
#define DUMP_FMT_REV 1
char legal_colors[16][16] = {
@ -73,7 +77,7 @@ static void
usage()
{
fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n",
"usage: vidcontrol [-CdLPpx] [-b color] [-c appearance] [-f [size] file]",
"usage: vidcontrol [-CdHLPpx] [-b color] [-c appearance] [-f [size] file]",
" [-g geometry] [-h size] [-i adapter | mode] [-l screen_map]",
" [-M char] [-m on | off] [-r foreground background]",
" [-S on | off] [-s number] [-t N | off] [mode]",
@ -668,7 +672,7 @@ test_frame()
* text format.
*/
void
dump_screen(int mode)
dump_screen(int mode, int opt)
{
scrshot_t shot;
vid_info_t info;
@ -679,20 +683,24 @@ dump_screen(int mode)
return;
}
shot.buf = alloca(info.mv_csz * info.mv_rsz * sizeof(u_int16_t));
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) {
warn("failed to allocate memory for dump");
return;
}
shot.xsize = info.mv_csz;
shot.ysize = info.mv_rsz;
if (ioctl(0, CONS_SCRSHOT, &shot) == -1) {
warn("failed to get dump of the screen");
return;
}
if (mode == DUMP_RAW) {
if (mode == DUMP_FMT_RAW) {
printf("SCRSHOT_%c%c%c%c", DUMP_FMT_REV, 2,
shot.xsize, shot.ysize);
fflush(stdout);
@ -758,7 +766,7 @@ int
main(int argc, char **argv)
{
char *font, *type;
int opt;
int dumpmod, dumpopt, opt;
info.size = sizeof(info);
@ -767,7 +775,9 @@ main(int argc, char **argv)
/* Not reached */
if (ioctl(0, CONS_GETINFO, &info) < 0)
err(1, "must be on a virtual console");
while((opt = getopt(argc, argv, "b:Cc:df:g:h:i:l:LM:m:pPr:S:s:t:x")) != -1)
dumpmod = 0;
dumpopt = DUMP_FBF;
while((opt = getopt(argc, argv, "b:Cc:df:g:h:Hi:l:LM:m:pPr:S:s:t:x")) != -1)
switch(opt) {
case 'b':
set_border_color(optarg);
@ -800,6 +810,9 @@ main(int argc, char **argv)
case 'h':
set_history(optarg);
break;
case 'H':
dumpopt = DUMP_ALL;
break;
case 'i':
show_info(optarg);
break;
@ -816,10 +829,10 @@ main(int argc, char **argv)
set_mouse(optarg);
break;
case 'p':
dump_screen(DUMP_RAW);
dumpmod = DUMP_FMT_RAW;
break;
case 'P':
dump_screen(DUMP_TXT);
dumpmod = DUMP_FMT_TXT;
break;
case 'r':
set_reverse_colors(argc, argv, &optind);
@ -839,6 +852,8 @@ main(int argc, char **argv)
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")) {