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more config options, unpack error handling, fuzzing

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This commit is contained in:
Dennis Ranke
2022-09-27 17:16:05 +02:00
parent 8715dede0e
commit f6642f07c9
13 changed files with 515 additions and 62 deletions
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34
src/parsing_packer.rs
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@@ -105,7 +105,7 @@ fn parse(
cost_counter: &mut CostCounter,
pos: usize,
offset: usize,
length: usize,
mut length: usize,
arrival: &Arrival,
max_arrivals: usize,
config: &crate::Config,
@@ -113,6 +113,7 @@ fn parse(
if length < config.min_length() {
return;
}
length = length.min(config.max_length);
cost_counter.reset();
let mut state = arrival.state.clone();
let op = lz::Op::Match {
@@ -186,19 +187,21 @@ fn parse(
for m in match_finder.matches(pos) {
closest_match = Some(closest_match.unwrap_or(0).max(m.pos));
let offset = pos - m.pos;
found_last_offset |= offset as u32 == arrival.state.last_offset();
add_match(
&mut arrivals,
cost_counter,
pos,
offset,
m.length,
&arrival,
max_arrivals,
encoding_config,
);
if m.length >= config.greedy_size {
break 'arrival_loop;
if offset <= encoding_config.max_offset {
found_last_offset |= offset as u32 == arrival.state.last_offset();
add_match(
&mut arrivals,
cost_counter,
pos,
offset,
m.length,
&arrival,
max_arrivals,
encoding_config,
);
if m.length >= config.greedy_size {
break 'arrival_loop;
}
}
}
@@ -209,6 +212,9 @@ fn parse(
&& closest_match.iter().all(|p| *p < match_pos)
{
let offset = pos - match_pos;
if offset > encoding_config.max_offset {
break;
}
let length = match_length(offset);
assert!(length > 0);
add_match(