Commit FS#11799 by Alexander Meshcheryakov. Improves the text viewer plugin to write to the disk less often, and correct several minor bugs.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28833 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 7 insertions, 0 deletions

diff --git a/apps/plugins/text_viewer/tv_preferences.c b/apps/plugins/text_viewer/tv_preferences.c
index 5e6677ea58..6d5c1127fc 100644
--- a/apps/plugins/text_viewer/tv_preferences.c
+++ b/apps/plugins/text_viewer/tv_preferences.c
@@ -28,6 +28,8 @@ static struct tv_preferences prefs;
 /* read-only preferences pointer, for access by other files */
 const struct tv_preferences * const preferences = &prefs;
 
+bool preferences_changed = false;
+
 static int listner_count = 0;
 
 #define TV_MAX_LISTNERS 5
@@ -91,6 +93,11 @@ void tv_copy_preferences(struct tv_preferences *copy_prefs)
     rb->memcpy(copy_prefs, preferences, sizeof(struct tv_preferences));
 }
 
+bool tv_compare_preferences(struct tv_preferences *copy_prefs)
+{
+    return rb->memcmp(copy_prefs, preferences, sizeof(struct tv_preferences)) != 0;
+}
+
 void tv_set_default_preferences(struct tv_preferences *p)
 {
     p->word_mode = WM_WRAP;