Alexander E. Patrakov:

With ncurses 5.4 or later, it is necessary to have the
correct LC_CTYPE setting before calling initscr(). Otherwise, the line
drawing characters and boxes are not visible on Linux console in UTF-8 mode,
and that makes alsamixer totally unusable on such terminal.

diff --git a/alsamixer/alsamixer.c b/alsamixer/alsamixer.c
index 665e172..560d27c 100644 (file)
--- a/alsamixer/alsamixer.c
+++ b/alsamixer/alsamixer.c
@@ -113,6 +113,8 @@
 #include <sys/signal.h>
 #include <sys/time.h>
 
+#include <locale.h>
+
 #ifndef CURSESINC
 #include <ncurses.h>
 #else
@@ -1580,6 +1582,7 @@ mixer_init_window (void)
 {
   /* initialize ncurses
    */
+  setlocale(LC_CTYPE, "");
   mixer_window = initscr ();
   curs_set (0); /* hide the cursor */