fileio.cpp: Remove optional second argument of path_iterator::next

src/emu/fileio.cpp

@@ -107,7 +107,7 @@ path_iterator &path_iterator::operator=(path_iterator const &that)
 //  multipath sequence
 //-------------------------------------------------
 
-bool path_iterator::next(std::string &buffer, const char *name)
+bool path_iterator::next(std::string &buffer)
 {
 	// if none left, return false to indicate we are done
 	if (!m_is_first && (m_searchpath.cend() == m_current))
@@ -120,10 +120,6 @@ bool path_iterator::next(std::string &buffer, const char *name)
 	if (m_searchpath.cend() != m_current)
 		++m_current;
 
-	// append the name if we have one
-	if (name)
-		util::path_append(buffer, name);
-
 	// bump the index and return true
 	m_is_first = false;
 	return true;
@@ -160,9 +156,13 @@ const osd::directory::entry *file_enumerator::next(const char *subdir)
 		while (!m_curdir)
 		{
 			// if we fail to get anything more, we're done
-			if (!m_iterator.next(m_pathbuffer, subdir))
+			if (!m_iterator.next(m_pathbuffer))
 				return nullptr;
 
+			// append the subdir if we have one
+			if (subdir)
+				util::path_append(m_pathbuffer, subdir);
+
 			// open the path
 			m_curdir = osd::directory::open(m_pathbuffer);
 		}

src/emu/fileio.h

@@ -61,7 +61,7 @@ public:
 	path_iterator &operator=(path_iterator const &that);
 
 	// main interface
-	bool next(std::string &buffer, const char *name = nullptr);
+	bool next(std::string &buffer);
 	void reset();
 
 private:

src/frontend/mame/audit.cpp

@@ -20,6 +20,7 @@
 #include "softlist_dev.h"
 
 #include "chd.h"
+#include "path.h"
 
 #include <algorithm>
 
@@ -423,8 +424,10 @@ media_auditor::summary media_auditor::audit_samples()
 			emu_file file(m_enumerator.options().sample_path(), OPEN_FLAG_READ | OPEN_FLAG_NO_PRELOAD);
 			path_iterator path(searchpath);
 			std::string curpath;
-			while (path.next(curpath, samplename))
+			while (path.next(curpath))
 			{
+				util::path_append(curpath, samplename);
+
 				// attempt to access the file (.flac) or (.wav)
 				std::error_condition filerr = file.open(curpath + ".flac");
 				if (filerr)

src/frontend/mame/ui/dirmenu.cpp

@@ -183,7 +183,7 @@ void menu_display_actual::populate(float &customtop, float &custombottom)
 	path_iterator path(m_searchpath);
 	std::string curpath;
 	m_folders.clear();
-	while (path.next(curpath, nullptr))
+	while (path.next(curpath))
 		m_folders.push_back(curpath);
 
 	item_append((s_folders[m_ref].action == CHANGE) ? _("Change Folder") : _("Add Folder"), 0, (void *)ADD_CHANGE);
@@ -238,7 +238,7 @@ menu_add_change_folder::menu_add_change_folder(mame_ui_manager &mui, render_cont
 
 	path_iterator path(searchpath);
 	std::string curpath;
-	while (path.next(curpath, nullptr))
+	while (path.next(curpath))
 		m_folders.push_back(curpath);
 }
 
@@ -464,7 +464,7 @@ menu_remove_folder::menu_remove_folder(mame_ui_manager &mui, render_container &c
 
 	path_iterator path(m_searchpath);
 	std::string curpath;
-	while (path.next(curpath, nullptr))
+	while (path.next(curpath))
 		m_folders.push_back(curpath);
 }