From 615e9a6a7a89533894cc3be0b199f75fc9cb8f39 Mon Sep 17 00:00:00 2001
From: Aoran Zeng <ccmywish@qq.com>
Date: Tue, 5 Sep 2023 20:56:24 +0800
Subject: [PATCH] Add license info to headers

---
 Makefile  | 8 ++++++++
 chsrc.c   | 3 +++
 chsrc.h   | 1 +
 test_xy.c | 1 +
 xy.h      | 7 +++++--
 5 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 2a247d1..0274830 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,11 @@
+# ---------------------------------------------------------------
+# File          : Makefile
+# License       : GPLv3
+# Authors       : Aoran Zeng <ccmywish@qq.com>
+# Created on    : <2023-08-28>
+# Last modified : <2023-09-05>
+# ---------------------------------------------------------------
+
 CFLAGS =
 
 TARGET = chsrc
diff --git a/chsrc.c b/chsrc.c
index ea535cd..b625333 100644
--- a/chsrc.c
+++ b/chsrc.c
@@ -1,5 +1,6 @@
 /* --------------------------------------------------------------
 * File          : chsrc.c
+* License       : GPLv3
 * Authors       : Aoran Zeng <ccmywish@qq.com>
 * Created on    : <2023-08-28>
 * Last modified : <2023-09-05>
@@ -7,6 +8,8 @@
 * chsrc:
 *
 *   Change Source —— 命令行换源工具
+*
+*   该软件为自由软件，采用 GPLv3 许可证，请查阅 LICENSE.txt 文件
 * -------------------------------------------------------------*/
 
 #include "chsrc.h"
diff --git a/chsrc.h b/chsrc.h
index 290460e..07a879e 100644
--- a/chsrc.h
+++ b/chsrc.h
@@ -1,5 +1,6 @@
 /* --------------------------------------------------------------
 * File          : chsrc.h
+* License       : GPLv3
 * Authors       : Aoran Zeng <ccmywish@qq.com>
 * Created on    : <2023-08-29>
 * Last modified : <2023-09-05>
diff --git a/test_xy.c b/test_xy.c
index b25eaff..2bf7536 100644
--- a/test_xy.c
+++ b/test_xy.c
@@ -1,5 +1,6 @@
 /* --------------------------------------------------------------
 * File          : test_xy.c
+* License       : MIT
 * Authors       : Aoran Zeng <ccmywish@qq.com>
 * Created on    : <2023-08-30>
 * Last modified : <2023-09-05>
diff --git a/xy.h b/xy.h
index 702397e..4fbb0da 100644
--- a/xy.h
+++ b/xy.h
@@ -1,14 +1,17 @@
 /* --------------------------------------------------------------
 * File          : xy.h
+* License       : MIT
 * Authors       : Aoran Zeng <ccmywish@qq.com>
 * Created on    : <2023-08-28>
 * Last modified : <2023-09-05>
 *
 * xy:
 *
-*   y = f(x)
+*   Xiangyang (襄阳) or Xianyang (咸阳)
 *
 *   Corss-Platform C utilities in Ruby flavor
+*
+*   该文件采用 MIT 许可证，可闭源使用，请查阅 LICENSE.txt 文件
 * -------------------------------------------------------------*/
 
 #ifndef XY_H
@@ -444,7 +447,7 @@ xy_str_strip (const char* str)
  * 执行cmd后拿到cmd的执行结果 注意从外部free掉这段内存
  * 注意：执行结果后面有回车换行
  */
-char * 
+char *
 xy_getcmd(const char * cmd)
 {
   const int BUFSIZE = 1024;