From 4670274ec303082e0fb86ff3be1ea4170a17662f Mon Sep 17 00:00:00 2001
From: Leo Uino <leo@norisys.jp>
Date: Fri, 15 Jul 2011 14:20:41 +0900
Subject: qr_mask_apply() works in-place

---
 lpg/libqr/code-create.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'lpg/libqr/code-create.c')

diff --git a/lpg/libqr/code-create.c b/lpg/libqr/code-create.c
index 680b405..f29778f 100644
--- a/lpg/libqr/code-create.c
+++ b/lpg/libqr/code-create.c
@@ -332,11 +332,12 @@ static int mask_data(struct qr_code * code)
 
         /* Generate bitmap for each mask and evaluate */
         for (i = 0; i < 8; ++i) {
-                test = qr_mask_apply(code->modules, i);
+                test = qr_bitmap_clone(code->modules);
                 if (!test) {
                         qr_bitmap_destroy(mask);
                         return -1;
                 }
+                qr_mask_apply(test, i);
                 score = score_mask(test);
                 fprintf(stderr, "mask %d scored %d\n", i, score);
                 if (!mask || score < best) {
-- 
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