added support for wide characters

This patch was taken from bug 476, author unknown
(http://www.musicpd.org/mantis/view.php?id=476).  It changes the
definition of my_strlen(): instead of returning the number of UTF-8
characters, it counts the number of terminal cells occupied by a
string.

1 files changed, 4 insertions, 1 deletions

diff --git a/src/support.h b/src/support.h
index b80b9c8a2..3377f9a80 100644
--- a/src/support.h
+++ b/src/support.h
@@ -28,8 +28,11 @@ void charset_init(gboolean disable);
 char *utf8_to_locale(const char *str);
 char *locale_to_utf8(const char *str);
 
-/* number of characters in str */
+/**
+ * Returns the number of terminal cells occupied by this string.
+ */
 size_t my_strlen(const char *str);
+
 /* number of bytes in str */
 size_t my_strsize(char *str);