autocols to set stty cols

Author: hackeris

alpine/aarch64/init

@@ -6,11 +6,13 @@ mkdir /dev/pts
 mount -t devpts devpts /dev/pts
 mount -t tmpfs tmpfs /tmp
 
-echo "Configuring networking..."
 ifconfig eth0 10.0.2.15 netmask 255.255.255.0
 route add default gw 10.0.2.2
 ifconfig lo 127.0.0.1 netmask 255.0.0.0
 
-echo -e "Boot took $(cut -d' ' -f1 /proc/uptime) seconds."
+mount -t 9p -o trans=virtio,version=9p2000.L hostshare /mnt/share
+
+clear
+#echo -e "\nBoot took $(cut -d' ' -f1 /proc/uptime) seconds."
 
 exec /sbin/init

alpine/aarch64/usr/sbin/autocols

@@ -0,0 +1,42 @@
+#!/bin/sh
+
+# Save current stty settings
+oldstty=$(stty -g)
+
+# Set terminal to raw mode, no echo
+stty raw -echo
+
+# Send the escape sequence to request cursor position
+printf '\0337\033[r\033[999;999H\033[6n'
+
+# Read the response: ESC [ rows ; cols R
+# Read first two bytes (ESC and [)
+c1=$(dd bs=1 count=1 2>/dev/null)
+c2=$(dd bs=1 count=1 2>/dev/null)
+
+rows=""
+cols=""
+if [ "$c1$c2" = "$(printf '\033[')" ]; then
+    # Read rows (until ';')
+    while :; do
+        c=$(dd bs=1 count=1 2>/dev/null)
+        [ "$c" = ";" ] && break
+        rows="${rows}${c}"
+    done
+    # Read cols (until 'R')
+    while :; do
+        c=$(dd bs=1 count=1 2>/dev/null)
+        [ "$c" = "R" ] && break
+        cols="${cols}${c}"
+    done
+fi
+
+# Restore terminal settings
+stty "$oldstty"
+
+# Set terminal cols
+[ -n "$cols" ] && stty cols "$cols"
+
+# Optionally print values
+echo "Rows: $rows"
+echo "Cols: $cols"

alpine/aarch64/usr/sbin/autologin

@@ -1,3 +1,5 @@
 #!/bin/sh
-echo -e "\nUptime $(cut -d' ' -f1 /proc/uptime)s\n"
+/usr/sbin/autocols
+clear
+echo -e "Uptime $(cut -d' ' -f1 /proc/uptime)s\n"
 exec login -f root