From 1d87ecd2b7bc7a7dc082ba97b4cfbf6a6ea0e028 Mon Sep 17 00:00:00 2001
From: Mikhail Knyazhev <markus621@yandex.com>
Date: Mon, 12 May 2025 01:42:37 +0300
Subject: [PATCH 1/2] optimize data reset

---
 data/buffer.go | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/data/buffer.go b/data/buffer.go
index ab2e726..d25ac25 100644
--- a/data/buffer.go
+++ b/data/buffer.go
@@ -31,9 +31,6 @@ func NewBuffer(size int) *Buffer {
 }
 
 func (v *Buffer) Reset() {
-	for i := 0; i < v.Size(); i++ {
-		v.buf[i] = 0
-	}
 	v.buf = v.buf[:0]
 	v.pos = 0
 }

From 149799b3ead017db0dc7b75624ffcecf5fc45a83 Mon Sep 17 00:00:00 2001
From: Mikhail Knyazhev <markus621@yandex.com>
Date: Mon, 12 May 2025 02:24:12 +0300
Subject: [PATCH 2/2] optimize data reset

---
 .github/workflows/ci.yml     |  2 +-
 .github/workflows/codeql.yml | 38 ------------------------------------
 .golangci.yml                |  3 +--
 data/buffer.go               | 15 +++++++++-----
 go.mod                       |  2 +-
 5 files changed, 13 insertions(+), 47 deletions(-)
 delete mode 100644 .github/workflows/codeql.yml

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7782cd2..8ee8f92 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [ '1.22.11' ]
+        go: [ '1.23.8' ]
     steps:
       - uses: actions/checkout@v3
 
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
deleted file mode 100644
index ddee4f0..0000000
--- a/.github/workflows/codeql.yml
+++ /dev/null
@@ -1,38 +0,0 @@
-
-name: "CodeQL"
-
-on:
-  push:
-    branches: [ "master" ]
-  pull_request:
-    branches: [ "master" ]
-  schedule:
-    - cron: '16 8 * * 1'
-
-jobs:
-  analyze:
-    name: Analyze
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      security-events: write
-
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'go' ]
-
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v3
-
-    - name: Initialize CodeQL
-      uses: github/codeql-action/init@v2
-      with:
-        languages: ${{ matrix.language }}
-
-    - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v2
-      with:
-        category: "/language:${{matrix.language}}"
diff --git a/.golangci.yml b/.golangci.yml
index 248ffc5..c468e41 100755
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -1,6 +1,6 @@
 
 run:
-  go: "1.22.11"
+  go: "1.23.8"
   concurrency: 4
   timeout: 5m
   tests: false
@@ -205,7 +205,6 @@ linters:
     - nilerr
     - errorlint
     - bodyclose
-    - exportloopref
     - gosec
     - lll
   fast: false
diff --git a/data/buffer.go b/data/buffer.go
index d25ac25..c864f40 100644
--- a/data/buffer.go
+++ b/data/buffer.go
@@ -31,7 +31,12 @@ func NewBuffer(size int) *Buffer {
 }
 
 func (v *Buffer) Reset() {
-	v.buf = v.buf[:0]
+	l := len(v.buf)
+	if l > 5e6 {
+		v.buf = v.buf[:0:5e6]
+	} else {
+		v.buf = v.buf[:0]
+	}
 	v.pos = 0
 }
 
@@ -148,12 +153,12 @@ func (v *Buffer) WriteAt(b []byte, off int64) (int, error) {
 		off = 0
 	}
 
-	if len(b)+int(off) > v.Size() {
-		v.buf = append(v.buf[:off], b...)
-	} else {
-		copy(v.buf[off:], b[:])
+	if add := len(b) + int(off) - v.Size(); add > 0 {
+		v.buf = append(v.buf, make([]byte, add)...)
 	}
 
+	copy(v.buf[off:], b[:])
+
 	return len(b), nil
 }
 
diff --git a/go.mod b/go.mod
index c251de1..d8beeaa 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module go.osspkg.com/ioutils
 
-go 1.22.11
+go 1.23.8
 
 require (
 	go.osspkg.com/casecheck v0.3.0