replace seq with a while cycle

Cecause the seq utility lives in /usr/bin and the script must be runnable
without the /usr filesystem mounted, it's replaced by a while cycle.

1 files changed, 10 insertions, 4 deletions

diff --git a/device_cio_free b/device_cio_free
index 80e9451..7aed42b 100644
--- a/device_cio_free
+++ b/device_cio_free
@@ -14,7 +14,7 @@
 #
 # also processes the system ccw config file and network interface configurations
 #
-# requires: echo, sleep, modprobe, grep, printf, seq.
+# requires: echo, sleep, modprobe, grep, printf.
 #
 # it is used in
 #   anaconda
@@ -132,18 +132,24 @@ wait_on_devices()
         IFS=$OLD_IFS
 
         # iterate thru all devices
-        for i in $(seq $L0 $U0); do
+	i=$L0
+	while [ $i -le $U0 ]; do
             [ $i -eq $L0 ] && LJ=$L1 || LJ=0
             [ $i -eq $U0 ] && UJ=$U1 || UJ=3
 
-            for j in $(seq $LJ $UJ); do
+	    j=$LJ
+	    while [ $j -le $UJ ]; do
                 [ $i -eq $L0 -a $j -eq $L1 ] && LK=$L2 || LK=0
                 [ $i -eq $U0 -a $j -eq $U1 ] && UK=$U2 || UK=65535
 
-                for k in $(seq $LK $UK); do
+		k=$LK
+		while [ $k -le $UK ]; do
                     wait_on_single_device "$(printf %x.%x.%04x $i $j $k)"
+		    k=$(($k + 1))
                 done
+		j=$(($j + 1))
             done
+	    i=$(($i + 1))
         done
     done
 }