puzzles: resync with upstream 262f709.

This is the first resync with a fully unmodified upstream repo. This
includes a new scanline polygon renderer in the upstream puzzles
distribution. This allows us to get rid of the monstrosity of a
polygon renderer we had been shipping in rockbox.c.

Change-Id: I23628c74bb5ff7a9e7932bf16d68a1c867c49969

1 files changed, 11 insertions, 0 deletions

diff --git a/apps/plugins/puzzles/src/misc.c b/apps/plugins/puzzles/src/misc.c
index f9eaf5d9b8..8e96d67039 100644
--- a/apps/plugins/puzzles/src/misc.c
+++ b/apps/plugins/puzzles/src/misc.c
@@ -351,6 +351,17 @@ void draw_rect_corners(drawing *dr, int cx, int cy, int r, int col)
     draw_line(dr, cx + r, cy + r, cx + r/2, cy + r, col);
 }
 
+int compare_integers(const void *av, const void *bv) {
+    const int *a = (const int *)av;
+    const int *b = (const int *)bv;
+    if (*a < *b)
+        return -1;
+    else if (*a > *b)
+        return +1;
+    else
+        return 0;
+}
+
 char *move_cursor(int button, int *x, int *y, int maxw, int maxh, bool wrap,
     bool *visible)
 {