charset: renamed my_strlen() to utf8_width()

my_strlen() is a bad name for the function, since the return value is
not a length, but a visible width on the screen.  Rename it to
utf8_width() and change its return type to "unsigned".

1 files changed, 2 insertions, 1 deletions

diff --git a/src/charset.h b/src/charset.h
index 119937710..24f7ef632 100644
--- a/src/charset.h
+++ b/src/charset.h
@@ -28,7 +28,8 @@ void charset_init(bool disable);
 /**
  * Returns the number of terminal cells occupied by this string.
  */
-size_t my_strlen(const char *str);
+unsigned
+utf8_width(const char *str);
 
 char *utf8_to_locale(const char *str);
 char *locale_to_utf8(const char *str);