+ remove useless string init. (string foobar="")

src/common/kiwix/reader.cpp

@@ -168,38 +168,38 @@ namespace kiwix {
   }
   
   string Reader::getTitle() {
-    string value="";
+    string value;
     this->getMetatag("Title", value);
     return value;
   }
 
   string Reader::getDescription() {
-    string value="";
+    string value;
     this->getMetatag("Description", value);
     return value;
   }
 
   string Reader::getLanguage() {
-    string value="";
+    string value;
     this->getMetatag("Language", value);
     return value;
   }
 
   string Reader::getDate() {
-    string value="";
+    string value;
     this->getMetatag("Date", value);
     return value;
   }
 
   string Reader::getCreator() {
-    string value="";
+    string value;
     this->getMetatag("Creator", value);
     return value;
   }
 
   /* Return the first page URL */
   string Reader::getFirstPageUrl() {
-    string url = "";
+    string url;
     
     zim::size_type firstPageOffset = zimFileHandler->getNamespaceBeginOffset('A');
     zim::Article article = zimFileHandler->getArticle(firstPageOffset);
@@ -300,7 +300,6 @@ namespace kiwix {
   
   /* Search titles by prefix*/
   bool Reader::searchSuggestions(const string &prefix, unsigned int suggestionsCount) {
-    
     bool retVal = true;
     
     /* Reset the suggestions */
@@ -325,8 +324,6 @@ namespace kiwix {
   
   /* Get next suggestion */
   bool Reader::getNextSuggestion(string &title) {
-    bool retVal = false;
-    
     if (this->suggestionsOffset != this->suggestions.end()) {
       /* title */
       title = *(this->suggestionsOffset);
@@ -334,10 +331,10 @@ namespace kiwix {
       /* increment the cursor for the next call */
       this->suggestionsOffset++;
       
-      retVal = true;
+      return true;
     }
 
-    return retVal;
+    return false;
   }
 
   /* Check if the file has as checksum */