From 6aebcfa0bca90b98ba5a4dd718c0d5e45f31a975 Mon Sep 17 00:00:00 2001 From: Paul Cruz Date: Mon, 14 Aug 2017 15:11:01 -0700 Subject: [PATCH] added comments for new functions --- doc/educational_decoder/zstd_decompress.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/doc/educational_decoder/zstd_decompress.c b/doc/educational_decoder/zstd_decompress.c index cbfeaa166..f2e9a95a3 100644 --- a/doc/educational_decoder/zstd_decompress.c +++ b/doc/educational_decoder/zstd_decompress.c @@ -353,11 +353,18 @@ static void execute_sequences(frame_context_t *const ctx, ostream_t *const out, const sequence_command_t *const sequences, const size_t num_sequences); +// Copies literals and returns the total literal length that was copied static u32 copy_literals(sequence_command_t seq, istream_t *litstream, ostream_t *const out); +// Given an offset code from a sequence command (either an actual offset value +// or an index for previous offset), computes the correct offset and udpates +// the offset history static size_t compute_offset(sequence_command_t seq, u64 *const offset_hist); +// Given an offset, match length, and total output, as well as the frame +// context for the dictionary, determines if the dictionary is used and +// executes the copy operation static void execute_match_copy(frame_context_t *const ctx, size_t offset, size_t match_length, size_t total_output, ostream_t *const out);