Add command completion for commands after --; fix variable leak
--- /etc/bash_completion.d/valgrind	2011-09-03 16:54:19.834831202 +0200
+++ /etc/bash_completion.d/valgrind	2011-09-03 18:38:58.384834089 +0200
@@ -5,7 +5,7 @@
 have valgrind &&
 _valgrind()
 {
-    local cur prev opts yesno tools choosen_tool
+    local cur prev opts yesno tools choosen_tool i
     
 # list of options with yes|no answer
     yesno="--trace-children\= --child-silent-after-fork\= --track-fds\= --time-stamp\= --log-fd\=  --log-socket\="
@@ -16,6 +16,14 @@ _valgrind()
 
     COMPREPLY=()
 
+# do command completion if one of the arguments prior to the current word is --
+    for (( i=0; i < COMP_CWORD; i++ )); do
+        if [[ ${COMP_WORDS[i]} == -- ]]; then
+            _command_offset $((i + 1))
+            return 0
+        fi
+    done
+
 # we check if a tool has been defined 
     for (( i=0; i < ${#COMP_WORDS[@]}-1; i++ )); do
       if [[ ${COMP_WORDS[i]} == "--tool" ]]; then