fix bug

Signed-off-by: dongjiang <[email protected]>

.github/workflows/go.yml

@@ -109,7 +109,7 @@ jobs:
           go-version: ${{ env.GO_VERSION }}
 
       - name: Install StaticCheck
-        run: go install honnef.co/go/tools/cmd/staticcheck@2022.1
+        run: go install honnef.co/go/tools/cmd/staticcheck@2024.1.1
 
       - name: Cache Go Dependencies
         uses: actions/cache@v2

pkg/utils/slice.go

@@ -74,8 +74,8 @@ func SliceRandList(min, max int) []int {
 	}
 	length := max - min + 1
 	t0 := time.Now()
-	rand.Seed(int64(t0.Nanosecond()))
-	list := rand.Perm(length)
+	r := rand.New(rand.NewSource(int64(t0.Nanosecond())))
+	list := r.Perm(length)
 	for index := range list {
 		list[index] += min
 	}

pkg/utils/strings.go

@@ -17,7 +17,6 @@ limitations under the License.
 package utils
 
 import (
-	"reflect"
 	"strings"
 	"unsafe"
 )
@@ -66,16 +65,17 @@ func Substr(str string, start, length int) string {
 	return string(rs[start:end])
 }
 
-func String2Bytes(s string) (b []byte) {
-	bs := (*reflect.SliceHeader)(unsafe.Pointer(&b))
-	ss := (*reflect.StringHeader)(unsafe.Pointer(&s))
-	bs.Data = ss.Data
-	bs.Len = ss.Len
-	bs.Cap = ss.Len
-	return b
+func String2Bytes(s string) []byte {
+	var ret []byte
+	if len(s) == 0 {
+		return ret
+	}
+	return unsafe.Slice(unsafe.StringData(s), len(s))
 }
 
-func Bytes2String(b []byte) (s string) {
-	s = *(*string)(unsafe.Pointer(&b))
-	return s
+func Bytes2String(b []byte) string {
+	if len(b) == 0 {
+		return ""
+	}
+	return unsafe.String(&b[0], len(b))
 }