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authorKazutaka YOKOTA <yokota@FreeBSD.org>1997-07-15 14:49:39 +0000
committerKazutaka YOKOTA <yokota@FreeBSD.org>1997-07-15 14:49:39 +0000
commitce834215a70ff69e7e222827437116eee2f9ac6f (patch)
tree6d752b00b888dd9418af04d7ca6a7dded528d14f /sys/dev/syscons/snake
parent870521063a1da7a1190bbab5d7012d28b51f325e (diff)
Notes
Diffstat (limited to 'sys/dev/syscons/snake')
-rw-r--r--sys/dev/syscons/snake/snake_saver.c67
1 files changed, 42 insertions, 25 deletions
diff --git a/sys/dev/syscons/snake/snake_saver.c b/sys/dev/syscons/snake/snake_saver.c
index f0580ae2d325..c5a9842b4fda 100644
--- a/sys/dev/syscons/snake/snake_saver.c
+++ b/sys/dev/syscons/snake/snake_saver.c
@@ -25,47 +25,52 @@
* (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: snake_saver.c,v 1.13 1997/02/22 12:49:19 peter Exp $
+ * $Id: snake_saver.c,v 1.14 1997/04/06 10:49:22 dufault Exp $
*/
#include <sys/param.h>
#include <sys/systm.h>
-#include <sys/conf.h>
#include <sys/exec.h>
#include <sys/sysent.h>
#include <sys/lkm.h>
-#include <sys/errno.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/sysctl.h>
#include <machine/md_var.h>
+#include <i386/include/pc/display.h>
-#include "saver.h"
+#include <saver.h>
MOD_MISC(snake_saver);
-void (*current_saver)(int blank);
-void (*old_saver)(int blank);
+static char *message;
+static u_char **messagep;
+static int messagelen;
static void
snake_saver(int blank)
{
- const char saves[] = {"FreeBSD-3.0-CURRENT"};
- static u_char *savs[sizeof(saves)-1];
static int dirx, diry;
int f;
scr_stat *scp = cur_console;
+/* XXX hack for minimal changes. */
+#define save message
+#define savs messagep
+
if (blank) {
- if (!scrn_blanked) {
+ if (scrn_blanked <= 0) {
fillw((FG_LIGHTGREY|BG_BLACK)<<8 | scr_map[0x20],
Crtat, scp->xsize * scp->ysize);
set_border(0);
dirx = (scp->xpos ? 1 : -1);
diry = (scp->ypos ?
scp->xsize : -scp->xsize);
- for (f=0; f< sizeof(saves)-1; f++)
+ for (f=0; f< messagelen; f++)
savs[f] = (u_char *)Crtat + 2 *
(scp->xpos+scp->ypos*scp->xsize);
- *(savs[0]) = scr_map[*saves];
+ *(savs[0]) = scr_map[*save];
f = scp->ysize * scp->xsize + 5;
outb(crtc_addr, 14);
outb(crtc_addr+1, f >> 8);
@@ -76,8 +81,8 @@ snake_saver(int blank)
if (scrn_blanked++ < 4)
return;
scrn_blanked = 1;
- *(savs[sizeof(saves)-2]) = scr_map[0x20];
- for (f=sizeof(saves)-2; f > 0; f--)
+ *(savs[messagelen-1]) = scr_map[0x20];
+ for (f=messagelen-1; f > 0; f--)
savs[f] = savs[f-1];
f = (savs[0] - (u_char *)Crtat) / 2;
if ((f % scp->xsize) == 0 ||
@@ -89,15 +94,13 @@ snake_saver(int blank)
(random() % 20) == 0)
diry = -diry;
savs[0] += 2*dirx + 2*diry;
- for (f=sizeof(saves)-2; f>=0; f--)
- *(savs[f]) = scr_map[saves[f]];
+ for (f=messagelen-1; f>=0; f--)
+ *(savs[f]) = scr_map[save[f]];
}
else {
- if (scrn_blanked) {
+ if (scrn_blanked > 0) {
set_border(scp->border);
scrn_blanked = 0;
- scp->start = 0;
- scp->end = scp->xsize * scp->ysize;
}
}
}
@@ -105,18 +108,32 @@ snake_saver(int blank)
static int
snake_saver_load(struct lkm_table *lkmtp, int cmd)
{
- (*current_saver)(0);
- old_saver = current_saver;
- current_saver = snake_saver;
- return 0;
+ int err;
+
+ messagelen = strlen(ostype) + 1 + strlen(osrelease);
+ message = malloc(messagelen + 1, M_DEVBUF, M_WAITOK);
+ sprintf(message, "%s %s", ostype, osrelease);
+ messagep = malloc(messagelen * sizeof *messagep, M_DEVBUF, M_WAITOK);
+
+ err = add_scrn_saver(snake_saver);
+ if (err != 0) {
+ free(message, M_DEVBUF);
+ free(messagep, M_DEVBUF);
+ }
+ return err;
}
static int
snake_saver_unload(struct lkm_table *lkmtp, int cmd)
{
- (*current_saver)(0);
- current_saver = old_saver;
- return 0;
+ int err;
+
+ err = remove_scrn_saver(snake_saver);
+ if (err == 0) {
+ free(message, M_DEVBUF);
+ free(messagep, M_DEVBUF);
+ }
+ return err;
}
int