Do not use std::sto[fi] or std::to_string.

src/server/kiwix-serve.cpp

@@ -105,6 +105,15 @@ static pthread_mutex_t searchLock = PTHREAD_MUTEX_INITIALIZER;
 static pthread_mutex_t compressorLock = PTHREAD_MUTEX_INITIALIZER;
 static pthread_mutex_t regexLock = PTHREAD_MUTEX_INITIALIZER;
 
+template<typename T>
+inline std::string _tostring(const T& value)
+{
+    std::ostringstream stream;
+    stream << value;
+    return stream.str();
+}
+
+
 /* Try to get the mimeType from the file extension */
 static std::string getMimeTypeForFile(const std::string& filename)
 {
@@ -352,7 +361,7 @@ static struct MHD_Response* build_callback_response_from_entry(
   MHD_add_response_header(response, MHD_HTTP_HEADER_CONTENT_RANGE, oss.str().c_str());
 
   MHD_add_response_header(response, MHD_HTTP_HEADER_CONTENT_LENGTH,
-    std::to_string(range_len).c_str());
+    _tostring(range_len).c_str());
 
   /* Specify the mime type */
   MHD_add_response_header(

src/server/request_context.cpp

@@ -197,16 +197,6 @@ std::string RequestContext::get_argument(const std::string& name) {
   return arguments.at(name);
 }
 
-template<>
-unsigned int RequestContext::get_argument(const std::string& name) {
-  return std::stoi(arguments.at(name).c_str());
-}
-
-template<>
-float RequestContext::get_argument(const std::string& name) {
-  return std::stof(arguments.at(name).c_str());
-}
-
 std::string RequestContext::get_header(const std::string& name) {
   return headers.at(name);
 }

src/server/request_context.h

@@ -62,7 +62,13 @@ class RequestContext {
 
     std::string get_header(const std::string& name);
     template<typename T=std::string>
-    T get_argument(const std::string& name);
+    T get_argument(const std::string& name) {
+        std::istringstream stream(arguments.at(name));
+        T v;
+        stream >> v;
+        return v;
+    }
+
 
     RequestMethod get_method();
     std::string get_url();
@@ -96,5 +102,7 @@ class RequestContext {
     static int fill_argument(void *, enum MHD_ValueKind, const char*, const char*);
 };
 
+template<> std::string RequestContext::get_argument(const std::string& name);
+
 
 #endif //REQUEST_CONTEXT_H