Author: Bernhard M. Wiedemann <bwiedemann@suse.de>
Description: use zstd-1.5.7
Forwarded: https://github.com/indygreg/python-zstandard/pull/255
--- a/c-ext/backend_c.c
+++ b/c-ext/backend_c.c
@@ -152,7 +152,7 @@
     PyObject *features = NULL;
     PyObject *feature = NULL;
     unsigned zstd_ver_no = ZSTD_versionNumber();
-    unsigned our_hardcoded_version = 10506;
+    unsigned our_hardcoded_version = 10507;
     if (ZSTD_VERSION_NUMBER != our_hardcoded_version ||
         zstd_ver_no != our_hardcoded_version) {
         PyErr_Format(
--- a/tests/test_compressor_compress.py
+++ b/tests/test_compressor_compress.py
@@ -52,7 +52,7 @@

         cctx = zstd.ZstdCompressor(level=3, write_content_size=False)
         result = cctx.compress(b"".join(chunks))
-        self.assertEqual(len(result), 999)
+        self.assertEqual(len(result), 1029)
         self.assertEqual(result[0:4], b"\x28\xb5\x2f\xfd")

         # This matches the test for read_to_iter() below.
--- a/tests/test_compressor_compressobj.py
+++ b/tests/test_compressor_compressobj.py
@@ -39,7 +39,7 @@
         cobj = cctx.compressobj()

         result = cobj.compress(b"".join(chunks)) + cobj.flush()
-        self.assertEqual(len(result), 999)
+        self.assertEqual(len(result), 1029)
         self.assertEqual(result[0:4], b"\x28\xb5\x2f\xfd")

         params = zstd.get_frame_parameters(result)
--- a/tests/test_compressor_copy_stream.py
+++ b/tests/test_compressor_copy_stream.py
@@ -50,7 +50,7 @@
         r, w = cctx.copy_stream(source, dest)

         self.assertEqual(r, 255 * 16384)
-        self.assertEqual(w, 999)
+        self.assertEqual(w, 1029)

         params = zstd.get_frame_parameters(dest.getvalue())
         self.assertEqual(params.content_size, zstd.CONTENTSIZE_UNKNOWN)
--- a/tests/test_compressor_stream_writer.py
+++ b/tests/test_compressor_stream_writer.py
@@ -301,7 +301,7 @@
         d = zstd.train_dictionary(8192, samples)

         h = hashlib.sha1(d.as_bytes()).hexdigest()
-        self.assertEqual(h, "a46d2f7a3bc3357c9d717d3dadf9a26fde23e93d")
+        self.assertEqual(h, "f32ddfbe0878bbd428afc00b17810387c6752191")

         buffer = io.BytesIO()
         cctx = zstd.ZstdCompressor(level=9, dict_data=d)
--- a/tests/test_module_attributes.py
+++ b/tests/test_module_attributes.py
@@ -5,7 +5,7 @@

 class TestModuleAttributes(unittest.TestCase):
     def test_version(self):
-        self.assertEqual(zstd.ZSTD_VERSION, (1, 5, 6))
+        self.assertEqual(zstd.ZSTD_VERSION, (1, 5, 7))

         self.assertEqual(zstd.__version__, "0.23.0")