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added comments for new functions

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This commit is contained in:
Paul Cruz
2017-08-14 15:11:01 -07:00
parent 9d56c21279
commit 6aebcfa0bc
1 changed files with 7 additions and 0 deletions
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7
doc/educational_decoder/zstd_decompress.c
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@ -353,11 +353,18 @@ static void execute_sequences(frame_context_t *const ctx, ostream_t *const out,
const sequence_command_t *const sequences, const sequence_command_t *const sequences,
const size_t num_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, static u32 copy_literals(sequence_command_t seq, istream_t *litstream,
ostream_t *const out); 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); 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, static void execute_match_copy(frame_context_t *const ctx, size_t offset,
size_t match_length, size_t total_output, size_t match_length, size_t total_output,
ostream_t *const out); ostream_t *const out);