updating copyright date

yqh · Apr 20, 2020 · fa3359f · fa3359f
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commit fa3359f
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diff --git a/lab1/starter/png_util/lab_png.h b/lab1/starter/png_util/lab_png.h
@@ -1,7 +1,7 @@
 /**
  * @brief  micros and structures for a simple PNG file 
  *
- * Copyright 2018-2019 Yiqing Huang
+ * Copyright 2018-2020 Yiqing Huang
  *
  * This software may be freely redistributed under the terms of MIT License
  */

diff --git a/lab1/starter/png_util/main.c b/lab1/starter/png_util/main.c
@@ -1,7 +1,7 @@
 /**
  * @biref To demonstrate how to use zutil.c and crc.c functions
  *
- * Copyright 2018-2019 Yiqing Huang
+ * Copyright 2018-2020 Yiqing Huang
  *
  * This software may be freely redistributed under the terms of MIT License
  */

diff --git a/lab1/starter/png_util/zutil.c b/lab1/starter/png_util/zutil.c
@@ -4,7 +4,7 @@
  * Based on the zlib example zpipe.c at https://www.zlib.net/zlib_how.html
  *
  * Modification is
- * Copyright 2018-2019 Yiqing Huang
+ * Copyright 2018-2020 Yiqing Huang
  *
  * This software may be freely redistributed under the terms of MIT License
  */

diff --git a/lab1/starter/png_util/zutil.h b/lab1/starter/png_util/zutil.h
@@ -3,7 +3,7 @@
  * Based on the zlib example zpipe.c at https://www.zlib.net/zlib_how.html
  *
  * Modification is
- * Copyright 2018-2019 Yiqing Huang
+ * Copyright 2018-2020 Yiqing Huang
  *
  * This software may be freely redistributed under the terms of MIT License
  *            https://www.zlib.net/zlib_how.html