From 9be584d6939b9b45e3f618525e423e1879acae1e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=95=B0=E6=8D=AE=E7=BB=93=E6=9E=84=E4=B8=8E=E7=AE=97?=
 =?UTF-8?q?=E6=B3=95?= <79046100+qq1007015993@users.noreply.github.com>
Date: Mon, 15 Nov 2021 19:05:45 +0800
Subject: [PATCH] =?UTF-8?q?cpp=2005=E6=95=B0=E7=BB=84=E4=B8=AD(Array=5Fgp.?=
 =?UTF-8?q?c=E6=96=87=E4=BB=B6=E4=B8=AD=20arrayEmpy=E5=87=BD=E6=95=B0)?=
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要将数组清空，并且将指针置为空指针，则应该用二级指针来修改。
---
 c-cpp/05_array/Array_gp.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/c-cpp/05_array/Array_gp.c b/c-cpp/05_array/Array_gp.c
index 0147a121..ee10e10a 100644
--- a/c-cpp/05_array/Array_gp.c
+++ b/c-cpp/05_array/Array_gp.c
@@ -275,4 +275,17 @@ void arrayDelIndex(Array *array, size_t pos)
     }
 
     --array->len;
-}
\ No newline at end of file
+}
+//要将指针array的值置为0，应该用二级指针
+void arrayEmpty(Array** array)
+{
+	if (NULL == array)
+	{
+		return;
+	}
+
+	free((*array)->p);
+	(*array)->p = NULL;
+	free(*array);
+	*array = NULL;
+}