initscripts fkt: ignore invalid keys in readhash

Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

tests/src/initscripts/system/functions/data/2

@@ -0,0 +1,20 @@
+CONFIG_TYPE=3
+GREEN_DEV=green0
+GREEN_MACADDR=00:c0:08:8a:a0:47
+GREEN_DRIVER=r8175
+-RED_DEV=red0
+RE??D_MACADDR=00:c0:08:8a:a0:56
+RED&&_DRIVER=r8283
+# Another Comment
+0BLUE_DEV='blue0 net0'
+BLUE_MACADDR=bc:30:7d:58:6b:e3
+BLUE_DRIVER=rt2800
+RED_DHCP_HOSTNAME=ipfire
+RED_DHCP_FORCE_MTU=
+RED_ADDRESS=0.0.0.0
+RED_NETMASK=0.0.0.0
+RED_TYPE=PPPOE
+RED_NETADDRESS=0.0.0.0
+
+# Comment for testing  
+    # Comment for testing Comments with spaces before

tests/src/initscripts/system/functions/data/2_output_stderr

@@ -0,0 +1,4 @@
+Invalid key '-RED_DEV'
+Invalid key 'RE??D_MACADDR'
+Invalid key 'RED&&_DRIVER'
+Invalid key '0BLUE_DEV'