Fixed unpacking I;16B to I;16 on big endian

python-pillow · Dec 28, 2021 · aeb549e · aeb549e
1 parent 4b7b07d
commit aeb549e
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/Tests/test_file_png.py b/Tests/test_file_png.py
@@ -13,7 +13,6 @@
     assert_image_equal,
     assert_image_equal_tofile,
     hopper,
-    is_big_endian,
     is_win32,
     mark_if_feature_version,
     skip_unless_feature,
@@ -77,7 +76,6 @@ def get_chunks(self, filename):
                     png.crc(cid, s)
         return chunks
 
-    @pytest.mark.xfail(is_big_endian(), reason="Fails on big-endian")
     def test_sanity(self, tmp_path):
 
         # internal version number

diff --git a/src/libImaging/Pack.c b/src/libImaging/Pack.c
@@ -656,7 +656,11 @@ static struct {
 
     /* storage modes */
     {"I;16", "I;16", 16, copy2},
+#ifdef WORDS_BIGENDIAN
+    {"I;16", "I;16B", 16, packI16N_I16},
+#else
     {"I;16", "I;16B", 16, packI16N_I16B},
+#endif
     {"I;16B", "I;16B", 16, copy2},
     {"I;16L", "I;16L", 16, copy2},
     {"I;16", "I;16N", 16, packI16N_I16},  // LibTiff native->image endian.