Noissue - [emscripten] Replace sprintf() usage by safe alternatives

compiled/bindings.ipp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
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  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 439 matching lines @@
       result += "  else\n";
       result += "    result = null;\n";
       return result;
     }
     else
       throw std::runtime_error("Unexpected return type for " + std::string(call.name));
   }
 
   const std::string wrapCall(const FunctionInfo& call)
   {
-    char buffer[20];
     bool hasStringArgs = false;
     std::vector<std::string> params;
     std::string prefix = "function(";
     for (int i = 0; i < call.args.size(); i++)
     {
-      sprintf(buffer, "arg%i", i);
+      std::string argName("arg" + std::to_string(i));
       if (i > 0)
         prefix += ", ";
-      prefix += buffer;
+      prefix += argName;
 
       if (call.args[i] == TypeCategory::STRING_REF)
       {
         hasStringArgs = true;
-        params.push_back(std::string("createString(") + buffer + ")");
+        params.push_back(std::string("createString(") + argName + ")");
       }
       else if (call.args[i] == TypeCategory::CLASS_PTR)
-        params.push_back(std::string(buffer) + "._pointer");
+        params.push_back(argName + "._pointer");
       else
-        params.push_back(buffer);
+        params.push_back(argName);
     }
     prefix += ")\n{\n";
 
     std::string suffix = "}";
     if (call.returnType != TypeCategory::VOID)
       suffix = "  return result;\n" + suffix;
 
     if (call.returnType == TypeCategory::DEPENDENT_STRING ||
         call.returnType == TypeCategory::OWNED_STRING || hasStringArgs)
     {
@@ skipping 268 matching lines @@
     bindings_internal::register_differentiator(
         bindings_internal::TypeInfo<ClassType>(), offset, mapping);
     return *this;
   }
 };
 
 void custom_generator(bindings_internal::CustomGenerator generator)
 {
   bindings_internal::customGenerators.push_back(generator);
 }