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cpp 05数组中(Array_gp.c文件中 arrayEmpy函数) #517

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cpp 05数组中(Array_gp.c文件中 arrayEmpy函数) #517

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15 changes: 14 additions & 1 deletion c-cpp/05_array/Array_gp.c
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Original file line number Diff line number Diff line change
Expand Up @@ -275,4 +275,17 @@ void arrayDelIndex(Array *array, size_t pos)
}

--array->len;
}
}
//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;
}