From 71231c29da95dc016c72e5f954c3ef6d8d843342 Mon Sep 17 00:00:00 2001
From: Martchus <martchus@gmx.net>
Date: Wed, 5 Apr 2017 22:56:01 +0200
Subject: [PATCH] Fix behavior on empty completion request

---
 application/argumentparser.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/application/argumentparser.cpp b/application/argumentparser.cpp
index f3b8a4c..d135e7a 100644
--- a/application/argumentparser.cpp
+++ b/application/argumentparser.cpp
@@ -665,9 +665,11 @@ void ArgumentParser::readArgs(int argc, const char * const *argv)
                 // the first argument after "--bash-completion-for" is the index of the current word
                 try {
                     currentWordIndex = (--argc ? stringToNumber<unsigned int, string>(*(++argv)) : 0);
-                    ++argv, --argc;
                 } catch(const ConversionException &) {
-                    currentWordIndex = static_cast<unsigned int>(argc - 1);
+                    currentWordIndex = static_cast<unsigned int>(argc);
+                }
+                if(argc) {
+                    ++argv, --argc;
                 }
             }