add enwik8 test workflow

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,38 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Browser [e.g. chrome, safari]
+ - Version [e.g. 22]
+
+**Smartphone (please complete the following information):**
+ - Device: [e.g. iPhone6]
+ - OS: [e.g. iOS8.1]
+ - Browser [e.g. stock browser, safari]
+ - Version [e.g. 22]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/dependabot.yml

@@ -0,0 +1,9 @@
+version: 2
+updates:
+  - package-ecosystem: cargo
+    directory: "/"
+    schedule:
+      interval: daily
+    open-pull-requests-limit: 10
+    target-branch: master
+    labels: [auto-dependencies]

.github/pull_request_template.md

@@ -0,0 +1,27 @@
+# Which issue does this PR close?
+
+<!--
+We generally require a GitHub issue to be filed for all bug fixes and enhancements and this helps us generate change logs for our releases. You can link an issue to this PR using the GitHub syntax. For example `Closes #123` indicates that this PR will close issue #123.
+-->
+
+Closes #.
+
+ # Rationale for this change
+<!--
+ Why are you proposing this change? If this is already explained clearly in the issue then this section is not needed.
+ Explaining clearly why changes are proposed helps reviewers understand your changes and offer better suggestions for fixes.  
+-->
+
+# What changes are included in this PR?
+<!--
+There is no need to duplicate the description in the issue here but it is sometimes worth providing a summary of the individual changes in this PR.
+-->
+
+# Are there any user-facing changes?
+<!--
+If there are user-facing changes then we may require documentation to be updated before approving the PR.
+-->
+
+<!--
+If there are any breaking changes to public APIs, please add the `api change` label.
+-->

.github/workflows/delete_workflow_runs.yml

@@ -0,0 +1,65 @@
+name: Delete old workflow runs
+on:
+  workflow_dispatch:
+    inputs:
+      days:
+        description: 'Days-worth of runs to keep for each workflow'
+        required: true
+        default: '30'
+      minimum_runs:
+        description: 'Minimum runs to keep for each workflow'
+        required: true
+        default: '6'
+      delete_workflow_pattern:
+        description: 'Name or filename of the workflow (if not set, all workflows are targeted)'
+        required: false
+      delete_workflow_by_state_pattern:
+        description: 'Filter workflows by state: active, deleted, disabled_fork, disabled_inactivity, disabled_manually'
+        required: true
+        default: "ALL"
+        type: choice
+        options:
+          - "ALL"
+          - active
+          - deleted
+          - disabled_inactivity
+          - disabled_manually
+      delete_run_by_conclusion_pattern:
+        description: 'Remove runs based on conclusion: action_required, cancelled, failure, skipped, success'
+        required: true
+        default: "ALL"
+        type: choice
+        options:
+          - "ALL"
+          - "Unsuccessful: action_required,cancelled,failure,skipped"
+          - action_required
+          - cancelled
+          - failure
+          - skipped
+          - success
+      dry_run:
+        description: 'Logs simulated changes, no deletions are performed'
+        required: false
+
+jobs:
+  del_runs:
+    runs-on: ubuntu-latest
+    permissions:
+      actions: write
+    steps:
+      - name: Delete workflow runs
+        uses: Mattraks/delete-workflow-runs@v2
+        with:
+          token: ${{ github.token }}
+          repository: ${{ github.repository }}
+          retain_days: ${{ github.event.inputs.days }}
+          keep_minimum_runs: ${{ github.event.inputs.minimum_runs }}
+          delete_workflow_pattern: ${{ github.event.inputs.delete_workflow_pattern }}
+          delete_workflow_by_state_pattern: ${{ github.event.inputs.delete_workflow_by_state_pattern }}
+          delete_run_by_conclusion_pattern: >-
+            ${{
+              startsWith(github.event.inputs.delete_run_by_conclusion_pattern, 'Unsuccessful:')
+              && 'action_required,cancelled,failure,skipped'
+              || github.event.inputs.delete_run_by_conclusion_pattern
+            }}
+          dry_run: ${{ github.event.inputs.dry_run }}

.github/workflows/enwik8-test.yml

@@ -0,0 +1,52 @@
+name: Enwik8 test
+
+on:
+  workflow_dispatch:
+  push:
+    branches: ["master"]
+
+jobs:
+  enwik8-test:
+    name: Enwik8 Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+
+      - name: Build
+        run: cargo build --release
+
+      - name: Preparing enwik8
+        run: xz -d < test/enwik8.xz >enwik8
+
+      - name: Test with with enwik8
+        run: |
+          (time gzip < enwik8 >enwik8.gz) 2>&1 | grep -Poi 'real\s+\K[0-9.ms]+' >gzip.enc_time
+          (time gzip -d < enwik8.gz >enwik8.ungz) 2>&1 | grep -Poi 'real\s+\K[0-9.ms]+' >gzip.dec_time
+          (time bzip2 < enwik8 >enwik8.bz2) 2>&1 | grep -Poi 'real\s+\K[0-9.ms]+' >bzip2.enc_time
+          (time bzip2 -d < enwik8.bz2 >enwik8.unbz2) 2>&1 | grep -Poi 'real\s+\K[0-9.ms]+' >bzip2.dec_time
+          (time xz -6 < enwik8 >enwik8.xz) 2>&1 | grep -Poi 'real\s+\K[0-9.ms]+' >xz.enc_time
+          (time xz -d < enwik8.xz >enwik8.unxz) 2>&1 | grep -Poi 'real\s+\K[0-9.ms]+' >xz.dec_time
+          (time target/release/orz encode --silent -l0 < enwik8 >enwik8.orz0) 2>&1 | grep -Poi 'real\s+\K[0-9.ms]+' >orz0.enc_time
+          (time target/release/orz decode --silent < enwik8.orz0 >enwik8.unorz0) 2>&1 | grep -Poi 'real\s+\K[0-9.ms]+' >orz0.dec_time
+          (time target/release/orz encode --silent -l1 < enwik8 >enwik8.orz1) 2>&1 | grep -Poi 'real\s+\K[0-9.ms]+' >orz1.enc_time
+          (time target/release/orz decode --silent < enwik8.orz1 >enwik8.unorz1) 2>&1 | grep -Poi 'real\s+\K[0-9.ms]+' >orz1.dec_time
+          (time target/release/orz encode --silent -l2 < enwik8 >enwik8.orz2) 2>&1 | grep -Poi 'real\s+\K[0-9.ms]+' >orz2.enc_time
+          (time target/release/orz decode --silent < enwik8.orz2 >enwik8.unorz2) 2>&1 | grep -Poi 'real\s+\K[0-9.ms]+' >orz2.dec_time
+          cmp enwik8.unorz0 enwik8
+          cmp enwik8.unorz1 enwik8
+          cmp enwik8.unorz2 enwik8
+
+      - name: Test result
+        run: |
+          echo ""
+          printf "+---------+------------------+--------------+--------------+\n"
+          printf "|         | %16s | %12s | %12s |\n" "Compressed Size" "Encode time" "Decode time"
+          printf "|---------+------------------+--------------+--------------|\n"
+          printf "| gzip    | %16s | %12s | %12s |\n" "$(wc -c < enwik8.gz | grep -Poi '\d+')" "$(cat < gzip.enc_time)" "$(cat < gzip.dec_time)"
+          printf "| bzip2   | %16s | %12s | %12s |\n" "$(wc -c < enwik8.bz2 | grep -Poi '\d+')" "$(cat < bzip2.enc_time)" "$(cat < bzip2.dec_time)"
+          printf "| orz -l0 | %16s | %12s | %12s |\n" "$(wc -c < enwik8.orz0 | grep -Poi '\d+')" "$(cat < orz0.enc_time)" "$(cat < orz0.dec_time)"
+          printf "| orz -l1 | %16s | %12s | %12s |\n" "$(wc -c < enwik8.orz1 | grep -Poi '\d+')" "$(cat < orz1.enc_time)" "$(cat < orz1.dec_time)"
+          printf "| orz -l2 | %16s | %12s | %12s |\n" "$(wc -c < enwik8.orz2 | grep -Poi '\d+')" "$(cat < orz2.enc_time)" "$(cat < orz2.dec_time)"
+          printf "| xz -6   | %16s | %12s | %12s |\n" "$(wc -c < enwik8.xz | grep -Poi '\d+')" "$(cat < xz.enc_time)" "$(cat < xz.dec_time)"
+          printf "+---------+------------------+--------------+--------------+\n"

src/ffi.rs

@@ -151,6 +151,6 @@ pub unsafe extern "C" fn orz_decode_path(
 #[no_mangle]
 pub unsafe extern "C" fn orz_free_stat(ptr: *mut Stat) {
     if !ptr.is_null() {
-        Box::from_raw(ptr);
+        let _ = Box::from_raw(ptr);
     }
 }

src/lib.rs

@@ -104,9 +104,12 @@ const SBVEC_PREMATCH_LEN: usize = LZ_BLOCK_SIZE / 2;
 /// Encode the source into a target ORZ stream.
 pub fn encode(source: &mut dyn Read, target: &mut dyn Write, cfg: &LZCfg) -> std::io::Result<Stat> {
     let mut stat = Stat::default();
+    let mut lzenc = LZEncoder::default();
+
+    #[allow(unused_allocation)]
     let sbvec = &mut Box::new([0u8; LZ_BLOCK_SIZE + SBVEC_SENTINEL_LEN])[..LZ_BLOCK_SIZE];
+    #[allow(unused_allocation)]
     let tbvec = &mut Box::new([0u8; SBVEC_PREMATCH_LEN * 3]);
-    let mut lzenc = LZEncoder::default();
 
     stat.target_size += write_version(target)? as u64;
     loop {
@@ -154,9 +157,12 @@ pub fn encode(source: &mut dyn Read, target: &mut dyn Write, cfg: &LZCfg) -> std
 
 pub fn decode(target: &mut dyn Read, source: &mut dyn Write) -> std::io::Result<Stat> {
     let mut stat = Stat::default();
+    let mut lzdec = LZDecoder::default();
+
+    #[allow(unused_allocation)]
     let sbvec = &mut Box::new([0u8; LZ_BLOCK_SIZE + SBVEC_SENTINEL_LEN])[..LZ_BLOCK_SIZE];
+    #[allow(unused_allocation)]
     let tbvec = &mut Box::new([0u8; SBVEC_PREMATCH_LEN * 3]);
-    let mut lzdec = LZDecoder::default();
 
     stat.target_size += check_version(target)? as u64;
     let mut spos = SBVEC_PREMATCH_LEN;