Fixup some imlib2 flush interval stuff.

diff --git a/src/imlib2.c b/src/imlib2.c
index f31dd57..5274042 100644 (file)
--- a/src/imlib2.c
+++ b/src/imlib2.c
@@ -64,7 +64,11 @@ void cimlib_set_cache_size(long size)
 
 void cimlib_set_cache_flush_interval(long interval)
 {
-       cimlib_cache_flush_interval = interval;
+       if (interval >= 0) {
+               cimlib_cache_flush_interval = interval;
+       } else {
+               ERR("Imlib2: flush interval should be >= 0");
+       }
 }
 
 void cimlib_cleanup(void)
@@ -131,6 +135,10 @@ void cimlib_add_image(const char *args)
                        cur->no_cache = 0;
                }
        }
+       if (cur->flush_interval < 0) {
+               ERR("Imlib2: flush interval should be >= 0");
+               cur->flush_interval = 0;
+       }
 
        if (image_list_end) {
                image_list_end->next = cur;
@@ -160,7 +168,7 @@ static void cimlib_draw_image(struct image_list_s *cur, int *clip_x, int *clip_y
                imlib_blend_image_onto_image(image, 1, 0, 0, w, h,
                                cur->x, cur->y, cur->w, cur->h);
                imlib_context_set_image(image);
-               if (cur->no_cache || (now % cur->flush_interval == 0)) {
+               if (cur->no_cache || (cur->flush_interval && now % cur->flush_interval == 0)) {
                        imlib_free_image_and_decache();
                } else {
                        imlib_free_image();