Remove nativeToUtf8 and utf8ToNative

They are now not needed since we use Windows specific command-line
argument converter.

src/option_processing.cc

@@ -176,20 +176,6 @@ void showCandidates
 
 } // namespace
 
-#ifdef __MINGW32__
-namespace {
-void optionNativeToUtf8(Option& op)
-{
-  for(size_t i = 1, len = option::countOption(); i < len; ++i) {
-    PrefPtr pref = option::i2p(i);
-    if(op.definedLocal(pref) && !util::isUtf8(op.get(pref))) {
-      op.put(pref, nativeToUtf8(op.get(pref)));
-    }
-  }
-}
-} // namespace
-#endif // __MINGW32__
-
 error_code::Value option_processing(Option& op, bool standalone,
                                     std::vector<std::string>& uris,
                                     int argc, char** argv,
@@ -290,10 +276,6 @@ error_code::Value option_processing(Option& op, bool standalone,
     op.setParent(confOption);
     oparser->parse(op, cmdstream);
     oparser->parse(op, options);
-#ifdef __MINGW32__
-    optionNativeToUtf8(op);
-    optionNativeToUtf8(*confOption);
-#endif // __MINGW32__
   } catch(OptionHandlerException& e) {
     global::cerr()->printf("%s", e.stackTrace().c_str());
     const OptionHandler* h = oparser->find(e.getPref());

src/util.cc

@@ -105,30 +105,17 @@ int utf8ToWChar(wchar_t* out, size_t outLength, const char* src)
 }
 } // namespace
 
-namespace {
-int ansiToWChar(wchar_t* out, size_t outLength, const char* src)
-{
-  return MultiByteToWideChar(CP_ACP, 0, src, -1, out, outLength);
-}
-} // namespace
-
 namespace {
 int wCharToUtf8(char* out, size_t outLength, const wchar_t* src)
 {
-  return WideCharToMultiByte(CP_UTF8, 0, src, -1, out, outLength, 0, 0);
+  return WideCharToMultiByte(CP_UTF8, 0, src, -1, out, outLength,
-}
+                             nullptr, nullptr);
-} // namespace
-
-namespace {
-int wCharToAnsi(char* out, size_t outLength, const wchar_t* src)
-{
-  return WideCharToMultiByte(CP_ACP, 0, src, -1, out, outLength, 0, 0);
 }
 } // namespace
 
 std::wstring utf8ToWChar(const char* src)
 {
-  int len = utf8ToWChar(0, 0, src);
+  int len = utf8ToWChar(nullptr, 0, src);
   if(len <= 0) {
     abort();
   }
@@ -146,25 +133,9 @@ std::wstring utf8ToWChar(const std::string& src)
   return utf8ToWChar(src.c_str());
 }
 
-std::string utf8ToNative(const std::string& src)
-{
-  std::wstring wsrc = utf8ToWChar(src);
-  int len = wCharToAnsi(0, 0, wsrc.c_str());
-  if(len <= 0) {
-    abort();
-  }
-  auto buf = make_unique<char[]>((size_t)len);
-  len = wCharToAnsi(buf.get(), len, wsrc.c_str());
-  if(len <= 0) {
-    abort();
-  } else {
-    return buf.get();
-  }
-}
-
 std::string wCharToUtf8(const std::wstring& wsrc)
 {
-  int len = wCharToUtf8(0, 0, wsrc.c_str());
+  int len = wCharToUtf8(nullptr, 0, wsrc.c_str());
   if(len <= 0) {
     abort();
   }
@@ -177,20 +148,6 @@ std::string wCharToUtf8(const std::wstring& wsrc)
   }
 }
 
-std::string nativeToUtf8(const std::string& src)
-{
-  int len = ansiToWChar(0, 0, src.c_str());
-  if(len <= 0) {
-    abort();
-  }
-  auto buf = make_unique<wchar_t[]>((size_t)len);
-  len = ansiToWChar(buf.get(), len, src.c_str());
-  if(len <= 0) {
-    abort();
-  } else {
-    return wCharToUtf8(std::wstring(buf.get()));
-  }
-}
 #endif // __MINGW32__
 
 namespace util {

src/util.h

@@ -103,11 +103,7 @@ std::wstring utf8ToWChar(const std::string& src);
 
 std::wstring utf8ToWChar(const char* str);
 
-std::string utf8ToNative(const std::string& src);
-
 std::string wCharToUtf8(const std::wstring& wsrc);
-
-std::string nativeToUtf8(const std::string& src);
 #else // !__MINGW32__
 # define utf8ToWChar(src) src
 # define utf8ToNative(src) src