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vidcontrol: disable p, P, and H when vt(4) is in use

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These options use the CONS_SCRSHOT ioctl to capture the contents of the
current console, which is not yet supported by vt(4).  Disable the
options when vt(4) is in use rather than emitting a possibly confusing
error message.

This change should be reverted if CONS_SCRSHOT is implemented for vt(4).

PR:		263099
MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Ed Maste 2022-04-06 20:19:54 -04:00
parent 8af2421956
commit c71ae91f19
1 changed files with 2 additions and 2 deletions
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4
usr.sbin/vidcontrol/vidcontrol.c
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@ -186,7 +186,7 @@ usage(void)
{
if (vt4_mode)
fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n",
"usage: vidcontrol [-CHPpx] [-b color] [-c appearance] [-f [[size] file]]",
"usage: vidcontrol [-Cx] [-b color] [-c appearance] [-f [[size] file]]",
" [-g geometry] [-h size] [-i active | adapter | mode]",
" [-M char] [-m on | off]",
" [-r foreground background] [-S on | off] [-s number]",
@ -1439,7 +1439,7 @@ main(int argc, char **argv)
dumpopt = DUMP_FBF;
termmode = NULL;
if (vt4_mode)
opts = "b:Cc:fg:h:Hi:M:m:pPr:S:s:T:t:x";
opts = "b:Cc:fg:h:i:M:m:r:S:s:T:t:x";
else
opts = "b:Cc:deE:fg:h:Hi:l:LM:m:pPr:S:s:T:t:x";