Clean up code by suppressing unused parameter warnings in AbstractPro…

…cess methods

src/AbstractProcess.h

@@ -41,17 +41,23 @@ class DryRunPtyProcess : public AbstractPtyProcess {
 	}
 	void writeInput(const char *ptr, int len)
 	{
+		(void)ptr;
+		(void)len;
 	}
 	int readOutput(char *ptr, int len)
 	{
+		(void)ptr;
+		(void)len;
 		return 0;
 	}
 	void start(const QString &cmd, const QString &env)
 	{
+		(void)env;
 		command_ = cmd;
 	}
 	bool wait(unsigned long time)
 	{
+		(void)time;
 		return true;
 	}
 	void stop()

src/MainWindow.cpp

@@ -3089,7 +3089,6 @@ void MainWindow::updateCommitGraph(Git::CommitItemList *logs)
 									elements.erase(elements.begin() + j); // 移動元を削除
 									elements.insert(elements.begin() + i, std::move(t)); // 現在位置の次に挿入
 									index1 = index2;
-									f = e;
 								} else {
 									j++;
 								}
@@ -4211,7 +4210,7 @@ void MainWindow::updateCurrentFilesList(RepositoryWrapperFrame *frame)
 		{
 			std::lock_guard lock(frame->commit_log_mutex);
 			auto const &logs = frame->commit_log;
-			int count = (int)logs.size();
+			const int count = (int)logs.size();
 			Q_ASSERT(index >= 0 && index < count);
 			commit = logs[index];
 		}

src/common/strformat.h

@@ -1016,6 +1016,7 @@ class string_formatter {
 	std::string str()
 	{
 		int n = length();
+		if (n < 1) return {};
 		char *p;
 		std::vector<char> tmp;
 		if (n < 0x20000) {

src/texteditor/AbstractCharacterBasedApplication.cpp

@@ -1748,14 +1748,12 @@ void AbstractCharacterBasedApplication::updateCursorPos(bool auto_scroll)
 		std::vector<int> pts;
 		makeColumnPosList(&pts);
 		if (pts.size() > 1) {
-			int newcol = pts.back();
 			int newindex = (int)pts.size() - 1;
 			for (int i = 0; i + 1 < (int)pts.size(); i++) {
 				int x = pts[i];
 				if (x <= col && col < pts[i + 1]) {
 					char_span = pts[i + 1] - pts[i];
 					newindex = i;
-					newcol = x;
 					break;
 				}
 			}