Closes #5

- Added a completion script for very basic bash completion
- Fixed a clang compiler error #2

Merge branch 'fberlakovich-general-improvements'

scripts/kdb-bash-completion

@@ -0,0 +1,41 @@
+###########################################################################
+##
+## This script sets up basic bash completion for the kdb command
+##
+##
+## Put it under /etc/bash_completion.d or load it just for the current
+## session with . <scriptname>
+##
+###########################################################################
+
+
+_kdb () 
+{
+	local cur commands
+	COMPREPLY=()
+
+	# assign the currently active word
+	cur="${COMP_WORDS[COMP_CWORD]}"
+	prev="${COMP_WORDS[COMP_CWORD-1]}"
+
+	# initialize
+	kdbpath=$(which kdb)
+	commands=$(${kdbpath} 2>&1 | sed -e '0,/^Known commands are/d' | awk '{print $1}' | tr '\n' ' ')
+	pathcommands="export file get getmeta cp ls lsmeta mv rm set setmeta sget vset"
+
+	# only kdb was entered yet, print a list of available commands
+	if [[ $COMP_CWORD -le 1 ]]; then
+	   COMPREPLY=( $(compgen -W "${commands}" -- ${cur}) )
+	   return 0
+	fi
+
+	# a command which expects a path as its first parameter was entered
+	if [[ $pathcommands =~ $prev ]]; then
+	   paths=$( { ${kdbpath} ls system && ${kdbpath} ls user; } | tr '\n' ' ')
+	   COMPREPLY=( $(compgen -W "${paths}" -- ${cur}) )
+	   return 0;
+	fi
+}
+
+# complete the command with _kdb and fall back to filename completion
+complete -o default -F _kdb kdb

src/libtools/include/backend.hpp

@@ -46,7 +46,7 @@ class Backend
 	void tryPlugin (std::string name);
 
 public:
-	Backend(std::string name, std::string mountpoint);
+	Backend(std::string name = "", std::string mountpoint = "");
 	~Backend();
 
 	void addPlugin (std::string name);

src/libtools/src/backend.cpp

@@ -28,7 +28,7 @@ namespace tools
 /** Creates a new backend with a given name and mountpoint.
  * Parameters are needed for serialisation only, so you can
  * keep them empty if you do not want to serialise. */
-Backend::Backend(string name_ = "", string mp_ = "") :
+Backend::Backend(string name_, string mp_) :
 	name(name_), mp(mp_)
 {
 }