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Unified Diff: third_party/brotli/enc/compress_fragment_two_pass.h

Issue 2537133002: Update brotli to v1.0.0-snapshot. (Closed)
Patch Set: Fixed typo Created 4 years ago
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Index: third_party/brotli/enc/compress_fragment_two_pass.h
diff --git a/third_party/brotli/enc/compress_fragment_two_pass.h b/third_party/brotli/enc/compress_fragment_two_pass.h
index 690ed081ec6652c739264c075a0284f3be6222f2..b75e69d52d54746fcacb8ec5b869e93347bb04b5 100644
--- a/third_party/brotli/enc/compress_fragment_two_pass.h
+++ b/third_party/brotli/enc/compress_fragment_two_pass.h
@@ -4,37 +4,50 @@
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/
-// Function for fast encoding of an input fragment, independently from the input
-// history. This function uses two-pass processing: in the first pass we save
-// the found backward matches and literal bytes into a buffer, and in the
-// second pass we emit them into the bit stream using prefix codes built based
-// on the actual command and literal byte histograms.
+/* Function for fast encoding of an input fragment, independently from the input
+ history. This function uses two-pass processing: in the first pass we save
+ the found backward matches and literal bytes into a buffer, and in the
+ second pass we emit them into the bit stream using prefix codes built based
+ on the actual command and literal byte histograms. */
#ifndef BROTLI_ENC_COMPRESS_FRAGMENT_TWO_PASS_H_
#define BROTLI_ENC_COMPRESS_FRAGMENT_TWO_PASS_H_
-#include "./types.h"
+#include <brotli/types.h>
+#include "./memory.h"
+#include "./port.h"
-namespace brotli {
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
static const size_t kCompressFragmentTwoPassBlockSize = 1 << 17;
-// Compresses "input" string to the "*storage" buffer as one or more complete
-// meta-blocks, and updates the "*storage_ix" bit position.
-//
-// If "is_last" is true, emits an additional empty last meta-block.
-//
-// REQUIRES: "input_size" is greater than zero, or "is_last" is true.
-// REQUIRES: "command_buf" and "literal_buf" point to at least
-// kCompressFragmentTwoPassBlockSize long arrays.
-// REQUIRES: All elements in "table[0..table_size-1]" are initialized to zero.
-// REQUIRES: "table_size" is a power of two
-void BrotliCompressFragmentTwoPass(const uint8_t* input, size_t input_size,
- bool is_last,
- uint32_t* command_buf, uint8_t* literal_buf,
- int* table, size_t table_size,
- size_t* storage_ix, uint8_t* storage);
-
-} // namespace brotli
-
-#endif // BROTLI_ENC_COMPRESS_FRAGMENT_TWO_PASS_H_
+/* Compresses "input" string to the "*storage" buffer as one or more complete
+ meta-blocks, and updates the "*storage_ix" bit position.
+
+ If "is_last" is 1, emits an additional empty last meta-block.
+
+ REQUIRES: "input_size" is greater than zero, or "is_last" is 1.
+ REQUIRES: "command_buf" and "literal_buf" point to at least
+ kCompressFragmentTwoPassBlockSize long arrays.
+ REQUIRES: All elements in "table[0..table_size-1]" are initialized to zero.
+ REQUIRES: "table_size" is a power of two
+ OUTPUT: maximal copy distance <= |input_size|
+ OUTPUT: maximal copy distance <= MaxBackwardLimit(18) */
+BROTLI_INTERNAL void BrotliCompressFragmentTwoPass(MemoryManager* m,
+ const uint8_t* input,
+ size_t input_size,
+ BROTLI_BOOL is_last,
+ uint32_t* command_buf,
+ uint8_t* literal_buf,
+ int* table,
+ size_t table_size,
+ size_t* storage_ix,
+ uint8_t* storage);
+
+#if defined(__cplusplus) || defined(c_plusplus)
+} /* extern "C" */
+#endif
+
+#endif /* BROTLI_ENC_COMPRESS_FRAGMENT_TWO_PASS_H_ */
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