Feat/support streaming uncompress dict

README.md

@@ -25,6 +25,8 @@ To use the system library
 % ./configure --with-libzstd
 ```
 
+> minimum system libzstd library version to 1.4.0
+
 Install from [pecl](https://pecl.php.net/package/zstd):
 
 ``` bash

config.m4

@@ -73,6 +73,7 @@ if test "$PHP_ZSTD" != "no"; then
       zstd/lib/compress/zstd_lazy.c
       zstd/lib/compress/zstd_ldm.c
       zstd/lib/compress/zstd_opt.c
+      zstd/lib/compress/zstd_preSplit.c
       zstd/lib/compress/zstdmt_compress.c
     "
     ZSTD_DECOMPRESS_SOURCES="

config.w32

@@ -20,7 +20,7 @@ if (PHP_ZSTD != "no") {
     EXTENSION("zstd", "zstd.c", null, "/DZEND_ENABLE_STATIC_TSRMLS_CACHE=1");
 
     ADD_SOURCES("zstd/lib/common", "debug.c entropy_common.c error_private.c fse_decompress.c pool.c threading.c xxhash.c zstd_common.c", "zstd");
-    ADD_SOURCES("zstd/lib/compress", "fse_compress.c hist.c huf_compress.c zstd_compress.c zstd_compress_literals.c zstd_compress_sequences.c zstd_compress_superblock.c zstd_double_fast.c zstd_fast.c zstd_lazy.c zstd_ldm.c zstd_opt.c zstdmt_compress.c", "zstd");
+    ADD_SOURCES("zstd/lib/compress", "fse_compress.c hist.c huf_compress.c zstd_compress.c zstd_compress_literals.c zstd_compress_sequences.c zstd_compress_superblock.c zstd_double_fast.c zstd_fast.c zstd_lazy.c zstd_ldm.c zstd_opt.c zstd_preSplit.c zstdmt_compress.c", "zstd");
     ADD_SOURCES("zstd/lib/decompress", "huf_decompress.c zstd_ddict.c zstd_decompress.c zstd_decompress_block.c", "zstd");
 
     ADD_FLAG("CFLAGS_ZSTD", " /I" + configure_module_dirname + " /I" + configure_module_dirname + "/zstd/lib/common" + " /I" + configure_module_dirname + "/zstd/lib");

tests/009.phpt

@@ -1,9 +1,5 @@
 --TEST--
 zstd_compress(): compress level
---SKIPIF--
-<?php
-if (LIBZSTD_VERSION_NUMBER < 10304) die("skip needs libzstd 1.3.4");
-?>
 --FILE--
 <?php
 include(dirname(__FILE__) . '/data.inc');

tests/dictionary_01.phpt

@@ -1,9 +1,5 @@
 --TEST--
 zstd_compress_dict(): compress level
---SKIPIF--
-<?php
-if (LIBZSTD_VERSION_NUMBER < 10304) die("skip needs libzstd 1.3.4");
-?>
 --FILE--
 <?php
 include(dirname(__FILE__) . '/data.inc');

tests/dictionary_02.phpt

@@ -0,0 +1,35 @@
+--TEST--
+zstd_uncompress_dict(): streaming archive
+--FILE--
+<?php
+include(dirname(__FILE__) . '/data.inc');
+
+$file = dirname(__FILE__) . '/data_' . basename(__FILE__, ".php") . '.out';
+$dictionary = file_get_contents(dirname(__FILE__) . '/data.dic');
+
+echo "Compression\n";
+
+$ctx = stream_context_create(
+    array(
+        "zstd" => array(
+            "level" => ZSTD_COMPRESS_LEVEL_DEFAULT,
+            "dict"  => $dictionary,
+        )
+    )
+);
+
+var_dump(file_put_contents('compress.zstd://' . $file, $data, 0, $ctx) == strlen($data));
+
+echo "Decompression\n";
+
+var_dump(zstd_uncompress_dict(file_get_contents($file), $dictionary) === $data);
+
+@unlink($file);
+?>
+===Done===
+--EXPECTF--
+Compression
+bool(true)
+Decompression
+bool(true)
+===Done===

tests/streams_5.phpt

@@ -1,9 +1,5 @@
 --TEST--
 compress.zstd streams with dictionary
---SKIPIF--
-<?php
-if (LIBZSTD_VERSION_NUMBER < 10400) die("skip needs libzstd 1.4.0");
-?>
 --FILE--
 <?php
 include(dirname(__FILE__) . '/data.inc');