intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 40 insertions, 0 deletions

diff --git a/contrib/libs/brotli/enc/static_dict.h b/contrib/libs/brotli/enc/static_dict.h
new file mode 100644
index 0000000000..6b5d4eb0c9
--- /dev/null
+++ b/contrib/libs/brotli/enc/static_dict.h
@@ -0,0 +1,40 @@
+/* Copyright 2013 Google Inc. All Rights Reserved.
+
+   Distributed under MIT license.
+   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+/* Class to model the static dictionary. */
+
+#ifndef BROTLI_ENC_STATIC_DICT_H_
+#define BROTLI_ENC_STATIC_DICT_H_
+
+#include "../common/dictionary.h"
+#include "../common/platform.h"
+#include <brotli/types.h>
+#include "./encoder_dict.h"
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+#define BROTLI_MAX_STATIC_DICTIONARY_MATCH_LEN 37
+static const uint32_t kInvalidMatch = 0xFFFFFFF;
+
+/* Matches data against static dictionary words, and for each length l,
+   for which a match is found, updates matches[l] to be the minimum possible
+     (distance << 5) + len_code.
+   Returns 1 if matches have been found, otherwise 0.
+   Prerequisites:
+     matches array is at least BROTLI_MAX_STATIC_DICTIONARY_MATCH_LEN + 1 long
+     all elements are initialized to kInvalidMatch */
+BROTLI_INTERNAL BROTLI_BOOL BrotliFindAllStaticDictionaryMatches(
+    const BrotliEncoderDictionary* dictionary,
+    const uint8_t* data, size_t min_length, size_t max_length,
+    uint32_t* matches);
+
+#if defined(__cplusplus) || defined(c_plusplus)
+}  /* extern "C" */
+#endif
+
+#endif  /* BROTLI_ENC_STATIC_DICT_H_ */