1 files changed, 3 insertions, 6 deletions
diff --git a/riscos/font.c b/riscos/font.c
index 0fea4b542..5a55d28b2 100644
--- a/riscos/font.c
+++ b/riscos/font.c
@@ -130,12 +130,9 @@ const char *enumerate_fonts(struct font_set* set, int *handle)
 {
         int i;
 
-        assert(set);
-
-        if (*handle < 0 || handle == 0) { /* a bit of sanity checking */
-                *handle = -1;
-                return NULL;
-        }
+	assert(set);
+	assert(handle);
+	assert(0 <= *handle && *handle <= FONT_FAMILIES * FONT_FACES);
 
         for (i = *handle; i!=FONT_FAMILIES*FONT_FACES && set->font[i]==0;
              i++) ; /* find next font in use */