我是 C++ 新手，我有可以编译但不会发布到 linux 的代码，因为它说我在错误中有内存泄漏。请帮我找出代码中的错误。Linux 使用 valgrind，它会发现泄漏。请帮我找出错误并修复它。
内存泄漏的输出：
==6858== Memcheck, a memory error detector
==6858== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.
==6858== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info
==6858== Command: ws
==6858==
Enter the following Data:
----------------------
lukE
sky
fett
feT
Jack
!
----------------------
Star Wars phone direcotry search
-------------------------------------------------------
Enter a partial name to search (no spaces) or enter '!' to exit
> lukE
Luke Skywalker: (301) 555-0630
Enter a partial name to search (no spaces) or enter '!' to exit
> sky
Luke Skywalker: (301) 555-0630
Enter a partial name to search (no spaces) or enter '!' to exit
> fett
Jango Fett: (905) 555-6016
Boba Fett: (905) 555-9382
Enter a partial name to search (no spaces) or enter '!' to exit
> feT
Jango Fett: (905) 555-6016
Boba Fett: (905) 555-9382
Enter a partial name to search (no spaces) or enter '!' to exit
> Jack
Enter a partial name to search (no spaces) or enter '!' to exit
> !
Thank you for using Star Wars directory.
----------------------------------
Broken Phone Book phone direcotry search
-------------------------------------------------------
badDataFile.txt file not found!
Thank you for using Broken Phone Book directory.
==6858==
==6858== HEAP SUMMARY:
==6858== in use at exit: 568 bytes in 1 blocks
==6858== total heap usage: 384 allocs, 383 frees, 88,684 bytes allocated
==6858==
==6858== 568 bytes in 1 blocks are still reachable in loss record 1 of 1
==6858== at 0x4C29F73: malloc (vg_replace_malloc.c:309)
==6858== by 0x578CC4C: __fopen_internal (in /usr/lib64/libc-2.17.so)
==6858== by 0x40114B: sdds::phoneDir(char const*, char const*) (in /home/kshiman/OOP244/DIY/ws)
==6858== by 0x40156E: main (in /home/kshiman/OOP244/DIY/ws)
==6858==
==6858== LEAK SUMMARY:
==6858== definitely lost: 0 bytes in 0 blocks
==6858== indirectly lost: 0 bytes in 0 blocks
==6858== possibly lost: 0 bytes in 0 blocks
==6858== still reachable: 568 bytes in 1 blocks
==6858== suppressed: 0 bytes in 0 blocks
==6858==
==6858== For lists of detected and suppressed errors, rerun with: -s
==6858== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
这是结构：
struct record {
char name[50];
int prefix;
int area;
int number;
};
这是主文件：
#include "Phone.h"
using namespace std;
using namespace sdds;
#define _CRT_SECURE_NO_WARNINGS
int main() {
if (Name == "!")
break;
phoneDir("Star Wars", "phones.txt");
return 0;
}