commit c25e37a9891a7f12e2c36e9a446658461ede35d9
author Nathan E. Egge <unlord@xiph.org> Wed Sep 26 11:19:30 2018 +0000
committer Nathan E. Egge <unlord@xiph.org> Wed Sep 26 20:07:37 2018 +0000
tree c28b9f0338e0a504c4d7b2d340519175ac4a01bb
parent 068cddb9999f970b89fab8b6f6d5bbc390e5428f

Fix -Wvla warning in cdef_filter_block_c()

src/cdef.c

diff --git a/src/cdef.c b/src/cdef.c
index 0d924fc..26781f3 100644
--- a/src/cdef.c
+++ b/src/cdef.c
@@ -91,7 +91,8 @@
                                 const int damping, const enum CdefEdgeFlags edges)
 {
     const ptrdiff_t tmp_stride = 16 >> (w == 4);
-    uint16_t tmp[tmp_stride * (h + 4)];
+    assert((w == 4 || w == 8) && (h == 4 || h == 8));
+    uint16_t tmp[192];  // 16*12 is the maximum value of tmp_stride * (h + 4)
     uint16_t *tmp2 = tmp + 2 * tmp_stride + 2;
     const uint8_t *const pri_taps = cdef_pri_taps[(pri_strength >> (BITDEPTH - 8)) & 1];
     const uint8_t *const sec_taps = cdef_sec_taps[(pri_strength >> (BITDEPTH - 8)) & 1];