text_viewer: callback functions are changed to the function that returns int value.

And the text viewer quits when the problem occurs by callback functions.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27172 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 2 insertions, 1 deletions

diff --git a/apps/plugins/text_viewer/tv_window.c b/apps/plugins/text_viewer/tv_window.c
index 9e35b49c6d..05214fab13 100644
--- a/apps/plugins/text_viewer/tv_window.c
+++ b/apps/plugins/text_viewer/tv_window.c
@@ -102,7 +102,7 @@ bool tv_traverse_lines(void)
     return res;
 }
 
-static void tv_change_preferences(const struct tv_preferences *oldp)
+static int tv_change_preferences(const struct tv_preferences *oldp)
 {
     bool need_vertical_scrollbar = false;
 
@@ -131,6 +131,7 @@ static void tv_change_preferences(const struct tv_preferences *oldp)
     cur_column = 0;
 
     tv_set_read_conditions(preferences->windows, window_width);
+    return TV_CALLBACK_OK;
 }
 
 bool tv_init_window(unsigned char **buf, size_t *size)