song: add print_song_info_x for iterators tha pass void *

traverseAllIn will be modified to take < 0 as errors instead of
non-zero...

2 files changed, 8 insertions, 0 deletions

diff --git a/src/song.c b/src/song.c
index 61fe78a43..71191c149 100644
--- a/src/song.c
+++ b/src/song.c
@@ -112,6 +112,11 @@ ssize_t song_print_info(Song *song, int fd)
 	return ret;
 }
 
+int song_print_info_x(Song * song, void *data)
+{
+	return song_print_info(song, (int)(size_t)data);
+}
+
 static void insertSongIntoList(struct songvec *sv, Song *newsong)
 {
 	Song *existing = songvec_find(sv, newsong->url);
diff --git a/src/song.h b/src/song.h
index 3419cd43e..e65f70f38 100644
--- a/src/song.h
+++ b/src/song.h
@@ -48,6 +48,9 @@ void freeJustSong(Song *);
 
 ssize_t song_print_info(Song * song, int fd);
 
+/* like song_print_info, but casts data into an fd first */
+int song_print_info_x(Song * song, void *data);
+
 void readSongInfoIntoList(FILE * fp, struct _Directory *parent);
 
 int updateSongInfo(Song * song);