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Use err(3). Stylistic changes in man page.

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This commit is contained in:
Philippe Charnier 1997-10-27 07:52:10 +00:00
parent 342afc34d7
commit 9396247ef7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=30764
3 changed files with 77 additions and 89 deletions
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7
usr.sbin/vidcontrol/decode.c
View File

@ -24,10 +24,13 @@
* 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.
*
* $Id: decode.c,v 1.5 1997/02/22 16:14:07 peter Exp $
*/
#ifndef lint
static const char rcsid[] =
"$Id$";
#endif /* not lint */
#include <stdio.h>
#include <string.h>
#include "decode.h"

66
usr.sbin/vidcontrol/vidcontrol.1
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@ -11,7 +11,7 @@
.\" documentation and/or other materials provided with the distribution.
.\"
.\" @(#)vidcontrol.1
.\" $Id$
.\" $Id: vidcontrol.1,v 1.11 1997/07/24 23:46:35 wosch Exp $
.\"
.Dd May 22, 1994
.Dt VIDCONTROL 1
@ -21,21 +21,30 @@
.Nd a utility for manipulating the syscons video driver.
.Sh SYNOPSIS
.Nm
.Ar options ...
.Op Fl r Ar fg Ar bg
.Op Fl b Ar color
.Op Fl c Ar appearance
.Op Fl d
.Op Fl l Ar scrmap
.Op Fl L
.Op Fl m Ar on|off
.Op Fl f Ar size Ar file
.Op Fl s Ar number
.Op Fl t Ar N|off
.Op Fl x
.Op mode
.Op fgcol Op bgcol
.Op show
.Sh DESCRIPTION
The
.Nm vidcontrol
.Nm
command is used to set various options for the syscons video driver,
such as video mode, colors, cursors, scrnmaps, font and screensaver timeout.
.Pp
A new video mode is selected by specifying its name as an argument to
.Nm vidcontrol .
For example:
.Bd -literal
vidcontrol VGA_80x25
.Ed
.Pp
The modes currently supported:
The following command line options are supported:
.Bl -tag -width indent
.It mode
Select a new video mode. The modes currently supported are:
.Ar VGA_40x25 ,
.Ar VGA_80x25 ,
.Ar VGA_80x50 ,
@ -49,20 +58,17 @@ can be used.
The graphic mode
.Ar VGA_320x200
can also be chosen.
.Pp
The colors used when displaying text can be changed by specifying the
foreground color (e.g. "vidcontrol white"), or both a foreground & background
color (e.g. "vidcontrol yellow blue").
.Pp
To see the supported colors on a given platform use "vidcontrol show".
.Pp
The following command line options are supported:
.Bl -tag -width Fl
.It fgcol Op bgcol
Change colors when displaying text. Specify the foreground color
(e.g. "vidcontrol white"), or both a foreground & background color
(e.g. "vidcontrol yellow blue").
.It show
See the supported colors on a given platform.
.It Fl r Ar foreground Ar background
Change reverse mode colors to
.Ar foreground
and
.Ar background
.Ar background .
.It Fl b Ar color
Set border color to
.Ar color
@ -79,7 +85,11 @@ Install screen output map file from
.It Fl L
Install default screen output map.
.It Fl m Ar on|off
Switches the mousepointer on or off. Used together with the moused
Switch the mousepointer
.Ar on
or
.Ar off .
Used together with the moused
daemon for textmode cut & paste functionality.
.It Fl f Ar size Ar file
Load font
@ -87,12 +97,12 @@ Load font
for
.Ar size
(currently, only 8x8, 8x14 or 8x16).
The fontfile can be either uuencoded or in raw binary format.
.It Fl s Ar Number
Sets the current vty to
.Ar Number .
The font file can be either uuencoded or in raw binary format.
.It Fl s Ar number
Set the current vty to
.Ar number .
.It Fl t Ar N|off
Sets the screensaver timeout to
Set the screensaver timeout to
.Ar N
seconds, or turns it
.Ar off .
@ -110,4 +120,4 @@ Use hexadecimal digits for output.
.Xr screen 4 ,
.Xr moused 8
.Sh AUTHORS
Søren Schmidt (sos@FreeBSD.org)
.An Søren Schmidt Aq sos@FreeBSD.org

93
usr.sbin/vidcontrol/vidcontrol.c
View File

@ -24,15 +24,19 @@
* 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.
*
* $Id: vidcontrol.c,v 1.16 1997/03/07 01:34:47 brian Exp $
*/
#ifndef lint
static const char rcsid[] =
"$Id$";
#endif /* not lint */
#include <ctype.h>
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <unistd.h>
#include <machine/console.h>
#include <sys/errno.h>
#include "path.h"
@ -50,30 +54,14 @@ char letter;
struct vid_info info;
void
static void
usage()
{
fprintf(stderr,
"Usage: vidcontrol mode (available modes: VGA_40x25, VGA_80x25,\n"
" VGA_80x50, VGA_320x200,\n"
" EGA_80x25, EGA_80x43)\n"
" (experimental) VGA_80x30, VGA_80x60)\n"
"\n"
" show (show available colors)\n"
" fgcol bgcol (set fore- & background colors)\n"
" -r fgcol bgcol (set reverse fore- & background colors)\n"
" -b color (set border color)\n"
" -c normal (set cursor to inverting block)\n"
" -c blink (set cursor to blinking inverted block)\n"
" -c destructive (set cursor to blinking destructive char)\n"
" -d (dump screenmap to stdout)\n"
" -l filename (load screenmap file filename)\n"
" -m on|off (switch mousepointer support on or off)\n"
" -L (load default screenmap)\n"
" -f DxL filename (load font, D dots wide & L lines high)\n"
" -t N (set screensaver timeout in seconds)\n"
" -x (use hex numbers for output)\n"
);
fprintf(stderr, "%s\n%s\n%s\n",
"usage: vidcontrol [-r fg bg] [-b color] [-c appearance] [-d] [-l scrmap]",
" [-L] [-m on|off] [-f size file] [-s number] [-t N|off]",
" [-x] [mode] [fgcol [bgcol]] [show]");
exit(1);
}
char *
@ -81,9 +69,7 @@ nextarg(int ac, char **av, int *indp, int oc)
{
if (*indp < ac)
return(av[(*indp)++]);
fprintf(stderr, "%s: option requires two arguments -- %c\n", av[0], oc);
usage();
exit(1);
errx(1, "option requires two arguments -- %c", oc);
return("");
}
@ -129,20 +115,20 @@ load_scrnmap(char *filename)
break;
}
if (fd == NULL) {
perror("screenmap file not found");
warn("screenmap file not found");
return;
}
size = sizeof(scrnmap);
if (decode(fd, (char *)&scrnmap) != size) {
rewind(fd);
if (fread(&scrnmap, 1, size, fd) != size) {
fprintf(stderr, "bad scrnmap file\n");
warnx("bad screenmap file");
fclose(fd);
return;
}
}
if (ioctl(0, PIO_SCRNMAP, &scrnmap) < 0)
perror("can't load screenmap");
warn("can't load screenmap");
fclose(fd);
}
@ -155,7 +141,7 @@ load_default_scrnmap()
for (i=0; i<256; i++)
*((char*)&scrnmap + i) = i;
if (ioctl(0, PIO_SCRNMAP, &scrnmap) < 0)
perror("can't load default screenmap");
warn("can't load default screenmap");
}
void
@ -165,7 +151,7 @@ print_scrnmap()
int i;
if (ioctl(0, GIO_SCRNMAP, &map) < 0) {
perror("getting scrnmap");
warn("getting screenmap");
return;
}
for (i=0; i<sizeof(map); i++) {
@ -196,7 +182,7 @@ load_font(char *type, char *filename)
break;
}
if (fd == NULL) {
perror("font file not found");
warn("font file not found");
return;
}
if (!strcmp(type, "8x8")) {
@ -212,7 +198,7 @@ load_font(char *type, char *filename)
io = PIO_FONT8x16;
}
else {
perror("bad font size specification");
warn("bad font size specification");
fclose(fd);
return;
}
@ -220,14 +206,14 @@ load_font(char *type, char *filename)
if (decode(fd, fontmap) != size) {
rewind(fd);
if (fread(fontmap, 1, size, fd) != size) {
fprintf(stderr, "bad font file\n");
warnx("bad font file");
fclose(fd);
free(fontmap);
return;
}
}
if (ioctl(0, io, fontmap) < 0)
perror("can't load font");
warn("can't load font");
fclose(fd);
free(fontmap);
}
@ -242,12 +228,12 @@ set_screensaver_timeout(char *arg)
else {
nsec = atoi(arg);
if ((*arg == '\0') || (nsec < 1)) {
fprintf(stderr, "argument must be a positive number\n");
warnx("argument must be a positive number");
return;
}
}
if (ioctl(0, CONS_BLANKTIME, &nsec) == -1)
perror("setting screensaver period");
warn("setting screensaver period");
}
void
@ -262,8 +248,7 @@ set_cursor_type(char *appearence)
else if (!strcmp(appearence, "destructive"))
type = 3;
else {
fprintf(stderr,
"argument to -c must be normal, blink or destructive\n");
warnx("argument to -c must be normal, blink or destructive");
return;
}
ioctl(0, CONS_CURSORTYPE, &type);
@ -294,7 +279,7 @@ video_mode(int argc, char **argv, int *index)
else
return;
if (ioctl(0, mode, NULL) < 0)
perror("Cannot set videomode");
warn("cannot set videomode");
(*index)++;
}
return;
@ -350,17 +335,15 @@ set_console(char *arg)
int n;
if( !arg || strspn(arg,"0123456789") != strlen(arg)) {
fprintf(stderr,"vidcontrol: Bad console number\n");
usage();
warnx("bad console number");
return;
}
n = atoi(arg);
if (n < 1 || n > 12) {
fprintf(stderr,"vidcontrol: Console number out of range\n");
usage();
warnx("console number out of range");
} else if (ioctl(0,VT_ACTIVATE,(char *)n) == -1)
perror("ioctl(VT_ACTIVATE)");
warn("ioctl(VT_ACTIVATE)");
}
void
@ -385,8 +368,7 @@ set_mouse(char *arg)
else if (!strcmp(arg, "off"))
mouse.operation = MOUSE_HIDE;
else {
fprintf(stderr,
"argument to -m must either on or off\n");
warnx("argument to -m must either on or off");
return;
}
ioctl(0, CONS_MOUSECTL, &mouse);
@ -413,16 +395,12 @@ test_frame()
int
main(int argc, char **argv)
{
extern char *optarg;
extern int optind;
int opt;
info.size = sizeof(info);
if (ioctl(0, CONS_GETINFO, &info) < 0) {
perror("Must be on a virtual console");
return 1;
}
if (ioctl(0, CONS_GETINFO, &info) < 0)
err(1, "must be on a virtual console");
while((opt = getopt(argc, argv, "b:c:df:l:Lm:r:s:t:x")) != -1)
switch(opt) {
case 'b':
@ -461,7 +439,6 @@ main(int argc, char **argv)
break;
default:
usage();
return 1;
}
video_mode(argc, argv, &optind);
set_normal_colors(argc, argv, &optind);
@ -469,10 +446,8 @@ main(int argc, char **argv)
test_frame();
optind++;
}
if ((optind != argc) || (argc == 1)) {
if ((optind != argc) || (argc == 1))
usage();
return 1;
}
return 0;
}