Playlist, Song: clarify parameter encoding

src/OtherCommands.cxx

@@ -116,13 +116,13 @@ handle_lsinfo(Client *client, int argc, char *argv[])
 
 	if (strncmp(uri, "file:///", 8) == 0) {
 		/* print information about an arbitrary local file */
-		const char *path = uri + 7;
+		const char *path_utf8 = uri + 7;
 
 		GError *error = NULL;
-		if (!client_allow_file(client, path, &error))
+		if (!client_allow_file(client, path_utf8, &error))
 			return print_error(client, error);
 
-		struct song *song = song_file_load(path, NULL);
+		struct song *song = song_file_load(path_utf8, NULL);
 		if (song == NULL) {
 			command_error(client, ACK_ERROR_NO_EXIST,
 				      "No such file");

src/Partition.hxx

@@ -43,9 +43,9 @@ struct Partition {
 		playlist.Clear(pc);
 	}
 
-	enum playlist_result AppendFile(const char *path_fs,
+	enum playlist_result AppendFile(const char *path_utf8,
 					unsigned *added_id=nullptr) {
-		return playlist.AppendFile(pc, path_fs, added_id);
+		return playlist.AppendFile(pc, path_utf8, added_id);
 	}
 
 	enum playlist_result AppendURI(const char *uri_utf8,

src/Playlist.hxx

@@ -144,7 +144,7 @@ public:
 	 * Note: the caller is responsible for checking permissions.
 	 */
 	enum playlist_result AppendFile(player_control &pc,
-					const char *path_fs,
+					const char *path_utf8,
 					unsigned *added_id=nullptr);
 
 	enum playlist_result AppendURI(player_control &pc,

src/PlaylistEdit.cxx

@@ -59,9 +59,9 @@ playlist::Clear(player_control &pc)
 
 enum playlist_result
 playlist::AppendFile(struct player_control &pc,
-		     const char *path_fs, unsigned *added_id)
+		     const char *path_utf8, unsigned *added_id)
 {
-	struct song *song = song_file_load(path_fs, NULL);
+	struct song *song = song_file_load(path_utf8, NULL);
 	if (song == NULL)
 		return PLAYLIST_RESULT_NO_SUCH_SONG;
 

src/SongUpdate.cxx

@@ -45,16 +45,16 @@ extern "C" {
 #include <stdio.h>
 
 struct song *
-song_file_load(const char *path, Directory *parent)
+song_file_load(const char *path_utf8, Directory *parent)
 {
 	struct song *song;
 	bool ret;
 
-	assert((parent == NULL) == g_path_is_absolute(path));
+	assert((parent == NULL) == g_path_is_absolute(path_utf8));
-	assert(!uri_has_scheme(path));
+	assert(!uri_has_scheme(path_utf8));
-	assert(strchr(path, '\n') == NULL);
+	assert(strchr(path_utf8, '\n') == NULL);
 
-	song = song_file_new(path, parent);
+	song = song_file_new(path_utf8, parent);
 
 	//in archive ?
 	if (parent != NULL && parent->device == DEVICE_INARCHIVE) {

src/song.h

@@ -76,7 +76,7 @@ song_remote_new(const char *uri);
 
 /** allocate a new song with a local file name */
 struct song *
-song_file_new(const char *path, struct Directory *parent);
+song_file_new(const char *path_utf8, struct Directory *parent);
 
 /**
  * allocate a new song structure with a local file name and attempt to
@@ -84,7 +84,7 @@ song_file_new(const char *path, struct Directory *parent);
  * data, NULL is returned.
  */
 struct song *
-song_file_load(const char *path, struct Directory *parent);
+song_file_load(const char *path_utf8, struct Directory *parent);
 
 /**
  * Replaces the URI of a song object.  The given song object is