fix various compiler warnings and a few minor bugs

src/help.cpp

@@ -78,7 +78,7 @@ namespace
 		}
 		if (result.length() > 12)
 			result = result.substr(0, 12);
-		for (int i = result.length(); i <= 12; result += " ", i++);
+		for (int i = result.length(); i <= 12; result += " ", i++) { }
 		result += ": ";
 		return result;
 	}

src/helpers.cpp

@@ -295,6 +295,8 @@ string DisplayItem(const Item &item, void *, const Menu<Item> *menu)
 			return DisplaySong(*item.song, &Config.song_list_format, (const Menu<Song> *)menu);
 		case itPlaylist:
 			return Config.browser_playlist_prefix + item.name;
+		default:
+			return "";
 	}
 }
 
@@ -363,7 +365,7 @@ string DisplayColumns(string song_template)
 		}
 		
 		v = v.substr(0, width-1);
-		for (int i = v.length(); i < width; i++, v += " ");
+		for (int i = v.length(); i < width; i++, v += " ") { }
 		result += v;
 	}
 	
@@ -457,7 +459,7 @@ string DisplaySongInColumns(const Song &s, void *s_template, const Menu<Song> *)
 		}
 		
 		v = TO_WSTRING(Window::OmitBBCodes(ss)).substr(0, width-1);
-		for (int i = v.length(); i < width; i++, v += space);
+		for (int i = v.length(); i < width; i++, v += space) { }
 		if (!color.empty())
 			result += open_col + color + close_col;
 		result += v;
@@ -494,7 +496,7 @@ string DisplaySong(const Song &s, void *s_template, const Menu<Song> *menu)
 				if (!tags_present)
 					it++;
 				else
-					while (*++it != '}');
+					while (*++it != '}') { }
 			}
 		}
 		
@@ -512,7 +514,7 @@ string DisplaySong(const Song &s, void *s_template, const Menu<Song> *menu)
 				if (!tags_present)
 					it++;
 				else
-					while (*it++ != '}');
+					while (*it++ != '}') { }
 			}
 		}
 		

src/lyrics.cpp

@@ -186,7 +186,7 @@ void * GetArtistInfo(void *ptr)
 	int i = result->length();
 	if (!isgraph((*result)[i-1]))
 	{
-		while (!isgraph((*result)[--i]));
+		while (!isgraph((*result)[--i])) { }
 		*result = result->substr(0, i+1);
 	}
 	

src/menu.h

@@ -48,7 +48,7 @@ class Menu : public Window
 	typedef string (*ItemDisplayer) (const T &, void *, const Menu<T> *);
 	
 	public:
-		Menu(int startx, int starty, int width, int height, string title, Color color, Border border) : itsItemDisplayer(0), itsItemDisplayerUserdata(0), Window(startx, starty, width, height, title, color, border), itsSelectedPrefix("[.r]"), itsSelectedSuffix("[/r]"), itsStaticsNumber(0), itsBeginning(0), itsHighlight(0), itsHighlightColor(itsBaseColor), itsHighlightEnabled(1) { }
+		Menu(int startx, int starty, int width, int height, string title, Color color, Border border) : Window(startx, starty, width, height, title, color, border), itsItemDisplayer(0), itsItemDisplayerUserdata(0), itsSelectedPrefix("[.r]"), itsSelectedSuffix("[/r]"), itsStaticsNumber(0), itsBeginning(0), itsHighlight(0), itsHighlightColor(itsBaseColor), itsHighlightEnabled(1) { }
 		Menu(const Menu &);
 		virtual ~Menu();
 		
@@ -284,7 +284,7 @@ void Menu<T>::Insert(int where, const T &item, bool bold, bool is_static, bool s
 {
 	Option<T> *new_option = new Option<T>;
 	new_option->item = item;
-	new_option->location = lLeft;
+	new_option->location = location;
 	new_option->have_separator = separator;
 	new_option->is_static = is_static;
 	new_option->is_bold = bold;
@@ -365,7 +365,7 @@ void Menu<T>::Refresh(bool redraw_whole_window)
 			
 			if (itsOptions[*it]->location == lCenter)
 			{
-				for (; x < (itsWidth-strlength-(!ch ? 4 : 0))/2; x++);
+				x = (itsWidth-strlength-(!ch ? 2 : 0))/2;
 				if (!ch)
 				{
 					AltCharset(1);
@@ -376,8 +376,8 @@ void Menu<T>::Refresh(bool redraw_whole_window)
 			}
 			if (itsOptions[*it]->location == lRight)
 			{
-				for (; x < (itsWidth-strlength); x++)
-					if (!ch)
+				x = itsWidth-strlength-(!ch ? 2 : 0);
+				if (!ch)
 				{
 					AltCharset(1);
 					mvwaddstr(itsWindow, line, x, "u ");

src/ncmpcpp.cpp

@@ -373,6 +373,8 @@ int main(int argc, char *argv[])
 				case csPlaylistEditor:
 					title = "Playlist editor";
 					break;
+				default:
+					break;
 			}
 			
 			if (title_allowed)
@@ -1258,7 +1260,6 @@ int main(int argc, char *argv[])
 							Search(s);
 							if (mSearcher->Back().first == ".")
 							{
-								bool bold = 0;
 								int found = mSearcher->Size()-search_engine_static_options;
 								found += 3; // don't count options inserted below
 								mSearcher->InsertSeparator(14);
@@ -2130,7 +2131,10 @@ int main(int argc, char *argv[])
 						TraceMpdStatus();
 						timer = time(NULL);
 						for (vector<int>::iterator it = list.begin(); it != list.end(); it++)
-							mPlaylist->Swap(--*it, *it);
+						{
+							(*it)--;
+							mPlaylist->Swap(*it, (*it)+1);
+						}
 						mPlaylist->Highlight(list[(list.size()-1)/2]);
 						mPlaylist->Refresh();
 						mPlaylist->ReadKey(input);
@@ -2150,7 +2154,8 @@ int main(int argc, char *argv[])
 					{
 						TraceMpdStatus();
 						timer = time(NULL);
-						mPlaylist->Swap(to--, to);
+						to--;
+						mPlaylist->Swap(to, to+1);
 						mPlaylist->Go(wUp);
 						mPlaylist->Refresh();
 						mPlaylist->ReadKey(input);
@@ -2174,7 +2179,10 @@ int main(int argc, char *argv[])
 						TraceMpdStatus();
 						timer = time(NULL);
 						for (vector<int>::iterator it = list.begin(); it != list.end(); it++)
-							mPlaylistEditor->Swap(--*it, *it);
+						{
+							(*it)--;
+							mPlaylistEditor->Swap(*it, (*it)+1);
+						}
 						mPlaylistEditor->Highlight(list[(list.size()-1)/2]);
 						mPlaylistEditor->Refresh();
 						mPlaylistEditor->ReadKey(input);
@@ -2192,7 +2200,8 @@ int main(int argc, char *argv[])
 					{
 						TraceMpdStatus();
 						timer = time(NULL);
-						mPlaylistEditor->Swap(to--, to);
+						to--;
+						mPlaylistEditor->Swap(to, to+1);
 						mPlaylistEditor->Go(wUp);
 						mPlaylistEditor->Refresh();
 						mPlaylistEditor->ReadKey(input);
@@ -2225,7 +2234,10 @@ int main(int argc, char *argv[])
 						TraceMpdStatus();
 						timer = time(NULL);
 						for (vector<int>::reverse_iterator it = list.rbegin(); it != list.rend(); it++)
-							mPlaylist->Swap(++*it, *it);
+						{
+							(*it)++;
+							mPlaylist->Swap(*it, (*it)-1);
+						}
 						mPlaylist->Highlight(list[(list.size()-1)/2]);
 						mPlaylist->Refresh();
 						mPlaylist->ReadKey(input);
@@ -2245,7 +2257,8 @@ int main(int argc, char *argv[])
 					{
 						TraceMpdStatus();
 						timer = time(NULL);
-						mPlaylist->Swap(to++, to);
+						to++;
+						mPlaylist->Swap(to, to-1);
 						mPlaylist->Go(wDown);
 						mPlaylist->Refresh();
 						mPlaylist->ReadKey(input);
@@ -2270,7 +2283,10 @@ int main(int argc, char *argv[])
 						TraceMpdStatus();
 						timer = time(NULL);
 						for (vector<int>::reverse_iterator it = list.rbegin(); it != list.rend(); it++)
-							mPlaylistEditor->Swap(++*it, *it);
+						{
+							(*it)++;
+							mPlaylistEditor->Swap(*it, (*it)-1);
+						}
 						mPlaylistEditor->Highlight(list[(list.size()-1)/2]);
 						mPlaylistEditor->Refresh();
 						mPlaylistEditor->ReadKey(input);
@@ -2288,7 +2304,8 @@ int main(int argc, char *argv[])
 					{
 						TraceMpdStatus();
 						timer = time(NULL);
-						mPlaylistEditor->Swap(to++, to);
+						to++;
+						mPlaylistEditor->Swap(to, to-1);
 						mPlaylistEditor->Go(wDown);
 						mPlaylistEditor->Refresh();
 						mPlaylistEditor->ReadKey(input);
@@ -2630,7 +2647,7 @@ int main(int argc, char *argv[])
 						ShowMessage("Cannot rename '" + old_name + "' to '" + new_name + "'!");
 				}
 			}*/
-			else if (wCurrent == mPlaylistList || wCurrent == mBrowser && mBrowser->Current().type == itPlaylist)
+			else if (wCurrent == mPlaylistList || (wCurrent == mBrowser && mBrowser->Current().type == itPlaylist))
 			{
 				string old_name = wCurrent == mPlaylistList ? mPlaylistList->GetOption() : mBrowser->Current().name;
 				LockStatusbar();

src/scrollpad.cpp

@@ -123,7 +123,7 @@ void Scrollpad::Recreate()
 	Write(itsContent.c_str());
 }
 
-void Scrollpad::Refresh(bool stub)
+void Scrollpad::Refresh(bool)
 {
 	prefresh(itsWindow,itsBeginning,0,itsStartY,itsStartX,itsStartY+itsHeight-1,itsStartX+itsWidth);
 }

src/settings.cpp

@@ -281,7 +281,7 @@ namespace
 		line = line.substr(i, line.length()-i);
 		i = 0;
 		if (line[i] == ' ')
-			while (line[++i] == ' ');
+			while (line[++i] == ' ') { }
 		line = line.substr(i, line.length()-i);
 		i = line.find(" ");
 		string one;

src/song.cpp

@@ -48,9 +48,9 @@ void DefineEmptyTags()
 }
 
 Song::Song(mpd_Song *s, bool copy_ptr) : itsSong(s),
-					 isStream(0),
 					 itsHash(0),
 					 copyPtr(copy_ptr),
+					 isStream(0),
 					 itsGetEmptyFields(0)
 {
 	string itsFile = itsSong->file ? itsSong->file : "";
@@ -284,6 +284,7 @@ Song & Song::operator=(const Song &s)
 	copyPtr = s.copyPtr;
 	isStream = s.isStream;
 	itsGetEmptyFields = s.itsGetEmptyFields;
+	return *this;
 }
 
 bool Song::operator==(const Song &s) const

src/status_checker.cpp

@@ -126,13 +126,15 @@ void TraceMpdStatus()
 			case psPlay: case psPause:
 				changes.ElapsedTime = 1; // restore status
 				break;
+			default:
+				break;
 		}
 		NcmpcppStatusChanged(Mpd, changes, NULL);
 	}
 	//wHeader->WriteXY(0,1, IntoStr(now_playing), 1);
 }
 
-void NcmpcppErrorCallback(MPDConnection *Mpd, int errorid, string msg, void *data)
+void NcmpcppErrorCallback(MPDConnection *Mpd, int errorid, string msg, void *)
 {
 	if (errorid == MPD_ACK_ERROR_PERMISSION)
 	{
@@ -148,7 +150,7 @@ void NcmpcppErrorCallback(MPDConnection *Mpd, int errorid, string msg, void *dat
 		ShowMessage(msg);
 }
 
-void NcmpcppStatusChanged(MPDConnection *Mpd, MPDStatusChanges changed, void *data)
+void NcmpcppStatusChanged(MPDConnection *Mpd, MPDStatusChanges changed, void *)
 {
 	int sx, sy;
 	wFooter->DisableBB();

src/tag_editor.cpp

@@ -93,7 +93,7 @@ string FindSharedDir(const SongList &v)
 	return result;
 }
 
-string DisplayTag(const Song &s, void *data, const Menu<Song> *null)
+string DisplayTag(const Song &s, void *data, const Menu<Song> *)
 {
 	switch (static_cast<Menu<string> *>(data)->GetChoice())
 	{

src/window.cpp

@@ -218,12 +218,12 @@ void Window::Display(bool stub)
 	Refresh(stub);
 }
 
-void Window::Refresh(bool stub)
+void Window::Refresh(bool)
 {
 	wrefresh(itsWindow);
 }
 
-void Window::Clear(bool stub)
+void Window::Clear(bool)
 {
 	werase(itsWindow);
 	wrefresh(itsWindow);