TUN-813: Clean up cloudflared dependencies

vendor/github.com/cloudflare/brotli-go/enc/brotli_bit_stream.h

@@ -0,0 +1,103 @@
+/* Copyright 2014 Google Inc. All Rights Reserved.
+
+   Distributed under MIT license.
+   See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+
+/* Functions to convert brotli-related data structures into the
+   brotli bit stream. The functions here operate under
+   assumption that there is enough space in the storage, i.e., there are
+   no out-of-range checks anywhere.
+
+   These functions do bit addressing into a byte array. The byte array
+   is called "storage" and the index to the bit is called storage_ix
+   in function arguments. */
+
+#ifndef BROTLI_ENC_BROTLI_BIT_STREAM_H_
+#define BROTLI_ENC_BROTLI_BIT_STREAM_H_
+
+#include <brotli/types.h>
+#include "./command.h"
+#include "./context.h"
+#include "./entropy_encode.h"
+#include "./memory.h"
+#include "./metablock.h"
+#include "./port.h"
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+/* All Store functions here will use a storage_ix, which is always the bit
+   position for the current storage. */
+
+BROTLI_INTERNAL void BrotliStoreHuffmanTree(const uint8_t* depths, size_t num,
+    HuffmanTree* tree, size_t *storage_ix, uint8_t *storage);
+
+BROTLI_INTERNAL void BrotliBuildAndStoreHuffmanTreeFast(
+    MemoryManager* m, const uint32_t* histogram, const size_t histogram_total,
+    const size_t max_bits, uint8_t* depth, uint16_t* bits, size_t* storage_ix,
+    uint8_t* storage);
+
+/* REQUIRES: length > 0 */
+/* REQUIRES: length <= (1 << 24) */
+BROTLI_INTERNAL void BrotliStoreMetaBlock(MemoryManager* m,
+                                          const uint8_t* input,
+                                          size_t start_pos,
+                                          size_t length,
+                                          size_t mask,
+                                          uint8_t prev_byte,
+                                          uint8_t prev_byte2,
+                                          BROTLI_BOOL is_final_block,
+                                          uint32_t num_direct_distance_codes,
+                                          uint32_t distance_postfix_bits,
+                                          ContextType literal_context_mode,
+                                          const Command* commands,
+                                          size_t n_commands,
+                                          const MetaBlockSplit* mb,
+                                          size_t* storage_ix,
+                                          uint8_t* storage);
+
+/* Stores the meta-block without doing any block splitting, just collects
+   one histogram per block category and uses that for entropy coding.
+   REQUIRES: length > 0
+   REQUIRES: length <= (1 << 24) */
+BROTLI_INTERNAL void BrotliStoreMetaBlockTrivial(MemoryManager* m,
+                                                 const uint8_t* input,
+                                                 size_t start_pos,
+                                                 size_t length,
+                                                 size_t mask,
+                                                 BROTLI_BOOL is_last,
+                                                 const Command *commands,
+                                                 size_t n_commands,
+                                                 size_t* storage_ix,
+                                                 uint8_t* storage);
+
+/* Same as above, but uses static prefix codes for histograms with a only a few
+   symbols, and uses static code length prefix codes for all other histograms.
+   REQUIRES: length > 0
+   REQUIRES: length <= (1 << 24) */
+BROTLI_INTERNAL void BrotliStoreMetaBlockFast(MemoryManager* m,
+                                              const uint8_t* input,
+                                              size_t start_pos,
+                                              size_t length,
+                                              size_t mask,
+                                              BROTLI_BOOL is_last,
+                                              const Command *commands,
+                                              size_t n_commands,
+                                              size_t* storage_ix,
+                                              uint8_t* storage);
+
+/* This is for storing uncompressed blocks (simple raw storage of
+   bytes-as-bytes).
+   REQUIRES: length > 0
+   REQUIRES: length <= (1 << 24) */
+BROTLI_INTERNAL void BrotliStoreUncompressedMetaBlock(
+    BROTLI_BOOL is_final_block, const uint8_t* input, size_t position,
+    size_t mask, size_t len, size_t* storage_ix, uint8_t* storage);
+
+#if defined(__cplusplus) || defined(c_plusplus)
+}  /* extern "C" */
+#endif
+
+#endif  /* BROTLI_ENC_BROTLI_BIT_STREAM_H_ */