Added brotli enc/ and tools/ directories.

third_party/brotli/dec/decode.h

 /* Copyright 2013 Google Inc. All Rights Reserved.
 
    Distributed under MIT license.
    See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
 */
 
 /* API for Brotli decompression */
 
 #ifndef BROTLI_DEC_DECODE_H_
 #define BROTLI_DEC_DECODE_H_
@@ skipping 61 matching lines @@
 BrotliResult BrotliDecompressStream(size_t* available_in,
                                     const uint8_t** next_in,
                                     size_t* available_out,
                                     uint8_t** next_out,
                                     size_t* total_out,
                                     BrotliState* s);
 
 /* Fills the new state with a dictionary for LZ77, warming up the ringbuffer,
    e.g. for custom static dictionaries for data formats.
    Not to be confused with the built-in transformable dictionary of Brotli.
-   The dictionary must exist in memory until decoding is done and is owned by
-   the caller. To use:
+   |size| should be less or equal to 2^24 (16MiB), otherwise the dictionary will
+   be ignored. The dictionary must exist in memory until decoding is done and
+   is owned by the caller. To use:
     1) Allocate and initialize state with BrotliCreateState
     2) Use BrotliSetCustomDictionary
     3) Use BrotliDecompressStream
     4) Clean up and free state with BrotliDestroyState
 */
 void BrotliSetCustomDictionary(
     size_t size, const uint8_t* dict, BrotliState* s);
 
 /* Returns 1, if s is in a state where we have not read any input bytes yet,
    and 0 otherwise */
 int BrotliStateIsStreamStart(const BrotliState* s);
 
 /* Returns 1, if s is in a state where we reached the end of the input and
    produced all of the output, and 0 otherwise. */
 int BrotliStateIsStreamEnd(const BrotliState* s);
 
 #if defined(__cplusplus) || defined(c_plusplus)
 } /* extern "C" */
 #endif
 
 #endif  /* BROTLI_DEC_DECODE_H_ */