attempt 32bit serialization fix

I don't have a 32bit system to test on locally, so testing on CI for now..

Author: divinity76

ext/hash/blake3/upstream_blake3/c/blake3.h

@@ -44,6 +44,7 @@ typedef struct {
   uint64_t chunk_counter;
   uint8_t buf[BLAKE3_BLOCK_LEN];
   uint8_t buf_len;
+  uint8_t padding_1[5];
   uint8_t blocks_compressed;
   uint8_t flags;
 } blake3_chunk_state;
@@ -58,6 +59,7 @@ typedef struct {
   // don't know whether more input is coming. This is different from how the
   // reference implementation does things.
   uint8_t cv_stack[(BLAKE3_MAX_DEPTH + 1) * BLAKE3_OUT_LEN];
+  uint8_t padding_2[7];
 } blake3_hasher;
 
 BLAKE3_API const char *blake3_version(void);

ext/hash/php_hash_blake3.h

@@ -32,12 +32,12 @@
 /* uint64_t chunk_counter; */ "q" \
 /* uint8_t buf[BLAKE3_BLOCK_LEN];  */ "b64" \
 /* uint8_t buf_len; */ "b" \
-/* skip 5 bytes of alignment padding in chunk */ "B5" \
+/* skip uint8_t padding_1[5] */ "B5" \
 /* uint8_t blocks_compressed */ "b" \
 /* uint8_t flags; */ "b" \
 /* uint8_t cv_stack_len; */ "b" \
 /* uint8_t cv_stack[(BLAKE3_MAX_DEPTH + 1) * BLAKE3_OUT_LEN]; */ "b1760" \
-/* skip 7 trailing alignment bytes */     "B7" \
+/* skip 7 uint8_t padding_2[7]*/     "B7" \
 "."
 
 

ext/hash/tests/hash_serialize_001.phpt

@@ -44,7 +44,6 @@ function not_serializable(string $algo)
     return in_array($algo, [
         "xxh3", 
         "xxh128",
-        "blake3", // todo: blake3 can be seralized but it's not implemented yet
         ], true);
 }