feat(正式发布): 以Apache License 2.0协议开源

probe_util.go

@@ -0,0 +1,30 @@
+// Copyright 2026 肖其顿 (XIAO QI DUN)
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+// displayWidth 计算字符串显示宽度
+// 入参: s 字符串
+// 返回: w 视觉宽度 (中字2, 英字1)
+func displayWidth(s string) int {
+	w := 0
+	for _, r := range s {
+		if r > 127 {
+			w += 2
+		} else {
+			w += 1
+		}
+	}
+	return w
+}