ZAPD update (#612)

* remove roompoly

* git subrepo pull --force tools/ZAPD

subrepo:
  subdir:   "tools/ZAPD"
  merged:   "fd4d53a26"
upstream:
  origin:   "https://github.com/zeldaret/ZAPD.git"
  branch:   "master"
  commit:   "fd4d53a26"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"

tools/ZAPD/lib/elfio/elfio/elfio_strings.hpp

@@ -0,0 +1,100 @@
+/*
+Copyright (C) 2001-2015 by Serge Lamikhov-Center
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef ELFIO_STRINGS_HPP
+#define ELFIO_STRINGS_HPP
+
+#include <cstdlib>
+#include <cstring>
+#include <string>
+
+namespace ELFIO {
+
+//------------------------------------------------------------------------------
+template< class S >
+class string_section_accessor_template
+{
+  public:
+//------------------------------------------------------------------------------
+    string_section_accessor_template( S* section_ ) :
+                                      string_section( section_ )
+    {
+    }
+
+
+//------------------------------------------------------------------------------
+    const char*
+    get_string( Elf_Word index ) const
+    {
+        if ( string_section ) {
+            if ( index < string_section->get_size() ) {
+                const char* data = string_section->get_data();
+                if ( 0 != data ) {
+                    return data + index;
+                }
+            }
+        }
+
+        return 0;
+    }
+
+
+//------------------------------------------------------------------------------
+    Elf_Word
+    add_string( const char* str )
+    {
+        Elf_Word current_position = 0;
+        
+        if (string_section) {
+            // Strings are addeded to the end of the current section data
+            current_position = (Elf_Word)string_section->get_size();
+
+            if ( current_position == 0 ) {
+                char empty_string = '\0';
+                string_section->append_data( &empty_string, 1 );
+                current_position++;
+            }
+            string_section->append_data( str, (Elf_Word)std::strlen( str ) + 1 );
+        }
+
+        return current_position;
+    }
+
+
+//------------------------------------------------------------------------------
+    Elf_Word
+    add_string( const std::string& str )
+    {
+        return add_string( str.c_str() );
+    }
+
+//------------------------------------------------------------------------------
+  private:
+    S* string_section;
+};
+
+using string_section_accessor = string_section_accessor_template<section>;
+using const_string_section_accessor = string_section_accessor_template<const section>;
+
+} // namespace ELFIO
+
+#endif // ELFIO_STRINGS_HPP