C++ 需要帮助查找memoryleak吗
我已经坐了好几个小时了,快把我逼疯了。IM新太C++,所以如果除了内存泄漏其他东西是错误的,我想知道!D 问题是,如果我制作了一个新的教师/助理/TA并将其打印出来,我会得到:C++ 需要帮助查找memoryleak吗,c++,memory-leaks,C++,Memory Leaks,我已经坐了好几个小时了,快把我逼疯了。IM新太C++,所以如果除了内存泄漏其他东西是错误的,我想知道!D 问题是,如果我制作了一个新的教师/助理/TA并将其打印出来,我会得到: {212} normal block at 0x005694B0, 8 bytes long. Data: < V > BC 91 56 00 00 00 00 00 {210} normal block at 0x005691B8, 40 bytes long. Data: <
{212} normal block at 0x005694B0, 8 bytes long.
Data: < V > BC 91 56 00 00 00 00 00
{210} normal block at 0x005691B8, 40 bytes long.
Data: < V Oliver > BC A4 16 00 B0 94 56 00 4F 6C 69 76 65 72 00 CD
{209} normal block at 0x00568F30, 8 bytes long.
Data: < V > 90 8E 56 00 00 00 00 00
{208} normal block at 0x00569468, 8 bytes long.
Data: <d V > 64 8E 56 00 00 00 00 00
{204} normal block at 0x00568E60, 76 bytes long.
Data: < h V elev > D4 A6 16 00 68 94 56 00 65 6C 65 76 00 CD CD CD
{212}0x005694B0处的正常块,8字节长。
数据:BC 91 56 00
0x005691B8处的{210}正常块,40字节长。
资料:BC A4 16 00 B0 94 56 00 4F 6C 69 76 65 72 00 CD
0x00568F30处的{209}正常块,8字节长。
数据:90 8E 56 00
0x00569468处的{208}正常块,8字节长。
数据:64 8E 56 00
0x00568E60处的{204}正常块,76字节长。
数据:D4 A6 16 00 68 94 56 00 65 6C 65 76 00 CD
如果我一直重复它,它就会堆积起来,我将感谢所有能得到的帮助!:D
int main(){
int choise, count=0;
bool ta = false , teacher = false, assistant = false;
choise = meny();
Employee **work = NULL;
Employee **swapper = NULL;
Employment *tmp = NULL;
string name, types, subject, temp, type;
int birthyear, salary, workhours, points;
bool boss = false, ansvarig, key=false, cert;
while (choise != NULL){
if (choise > 0){
if (choise == 1){
fflush(stdin);
cout << endl << "Namn: ";
getline(cin, name);
cout << endl << "Fodelsear: ";
cin >> birthyear;
cin.ignore();
cout << "\nTjänst: ";
getline(cin, type);
cout << "\nLon: ";
cin >> salary;
cin.ignore();
cout << "\nChef: ";
cin >> temp;
cin.ignore();
if (temp == "Ja" || temp == "ja"){
boss = true;
}
else
boss = false;
cout << "\nTjanstgoringstid: ";
cin >> workhours;
cin.ignore();
cout << "\nHuvudämne: ";
cin >> subject;
cin.ignore();
cout << "\nProgramansvarig: ";
cin >> temp;
cout << "\n\n\n";
cin.ignore();
if (temp == "Ja" || temp == "ja")
ansvarig = true;
else
ansvarig = false;
count++;
teacher = true;
}
else if (choise == 2){
fflush(stdin);
cout << endl << "Namn: ";
getline(cin, name);
cout << endl << "Fodelsear: ";
cin >> birthyear;
fflush(stdin);
cout << "\nTjänst: ";
getline(cin, type);
cout << "\nLon: ";
cin >> salary;
fflush(stdin);
cout << "\nHuvudämne: ";
cin >> subject;
fflush(stdin);
cout << "Avklarade poang: ";
cin >> points;
fflush(stdin);
count++;
assistant = true;
}
else if (choise == 3){
fflush(stdin);
cout << endl << "Namn: ";
getline(cin, name);
cout << endl << "Fodelsear: ";
cin >> birthyear;
cin.ignore();
cout << "\nTjänst: ";
getline(cin, type);
cout << "\nLon: ";
cin >> salary;
cin.ignore();
cout << "\nTjanstgoringstid: ";
cin >> workhours;
cin.ignore();
cout << "\nAttestratt: ";
cin >> temp;
cin.ignore();
if (temp == "Ja" || temp == "ja"){
cert = true;
}
else
cert = false;
cout << "\nHar huvudnyckel: ";
cin >> temp;
cin.ignore();
if (temp == "Ja" || temp == "ja"){
cert = true;
}
else
cert = false;
cout << "\n\n\n";
count++;
ta = true;
}
else if (choise == 4){
for (int x = 0; x < (count); x++){
cout << work[x]->toString();
}
}
if (choise != 0 && choise!=4){
swapper = new Employee*[count];
if (teacher == true){
tmp = new Teacher(type, boss, salary, workhours, subject, ansvarig);
swapper[count - 1] = new Employee(name, birthyear, tmp);
teacher = false;
//delete tmp;
}
else if (ta == true){
tmp = new TA(type, boss, salary, workhours, cert, key);
swapper[count - 1] = new Employee(name, birthyear, tmp);
assistant = false;
// delete tmp;
}
else if (assistant == true){
tmp = new Assistant(type, salary, subject, points);
swapper[count - 1] = new Employee(name, birthyear, tmp);
// delete tmp;
}
for (int x = 0; x < count - 1; x++){
swapper[x] = work[x];
}
delete[] work;
work = swapper;
}
choise = meny();
}
}
/*for (int x = 0; x < count; x++){
delete work[x];
}*/
delete [] work;
_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
_CrtDumpMemoryLeaks();
return 0;
}
intmain(){
整数选择,计数=0;
bool ta=false,教师=false,助手=false;
choise=meny();
员工**工作=空;
员工**交换者=NULL;
就业*tmp=NULL;
字符串名称、类型、主题、临时、类型;
int生日、工资、工作时间、积分;
bool boss=false,ansvarig,key=false,cert;
while(choise!=NULL){
如果(选择>0){
如果(选项==1){
fflush(stdin);
加班时间;
cin.ignore();
主题;
cin.ignore();
温度;
库特温度;
cin.ignore();
如果(温度==“Ja”|温度==“Ja”){
cert=真;
}
其他的
证书=假;
cout你永远不会删除你的数组。无论如何你都应该使用向量。基本上,对于你做的每一个新的,当对象不再需要时,你需要有一个删除。
执行此操作将释放内存。如果不这样做,则会一直累积大量已分配的内存。每当动态分配内存而不释放内存时,就会发生内存泄漏。这意味着,对于程序中出现的每一个新的,必须存在相应的删除,否则就会发生泄漏记忆
在您的代码中有许多已注释掉的delete
s(例如,对于tmp
)。因此,我们一下子就知道这些分配正在泄漏
同样,为swapper
分配的内存也没有被释放(至少是第一次通过循环)。此外,即使调用delete[]work
,也不会delete
删除数组中的单个元素,这些元素也是动态分配的
由于所有这些分配都发生在一个循环中,难怪您会有这么多泄漏!我并不奇怪您会遇到困难。您手动执行内存管理,您的代码几乎无法读取,并且没有任何注释!请提交一个新问题以寻求帮助“重构”您的代码,其中包括除现有代码外的分配说明。这样您将获得更好的帮助。@Prolle:swapper=new Employee*[count];
如果我尝试删除delete[]工作旁边的swaper,则调试断言失败。_BLOCK_TYPE_有效/(pHead->nBlockUse)我应该在哪里删除我的交换程序?:d祝你好运,但我强烈建议你改变分配内存的方式。一个简单的方法是实现构造函数和析构函数,这将更加清晰。在main中使用new和delete从来都不是更好的方法。或者一个非常好的方法就是简单地使用vectors。for示例vector,vector等。HMm将尝试vector out!:D