我得到了标题中的错误,当我尝试运行我的代码...... 这里就是我正在*** glibc的***免费():无效的指针:
class MyQueue {
tile* queue;
int size;
public:
MyQueue(int cap);
~MyQueue();
void enqueue(tile t);
tile dequeue();
bool isEmpty();
};
void MyQueue::enqueue(tile t) {
queue[size] = t;
size++;
}
tile MyQueue::dequeue() {
tile temp = queue[0];
tile* victim = queue;
queue++;
delete victim;
return temp;
}
bool MyQueue::isEmpty() {
if (size == 0)
return true;
else
return false;
}
MyQueue::MyQueue(int cap) {
queue = new tile[cap];
size = 0;
}
MyQueue::~MyQueue() {
delete[] queue;
}
int main(int argc, char *argv[]) {
tile tile1; tile1.type = '1';
tile tile2; tile2.type = '2';
tile tile3;
MyQueue q(10);
q.enqueue(tile1);
q.enqueue(tile2);
tile3 = q.dequeue();
cout<<tile3.type<<" =1?"<<endl;
return 0;
}
的valgrind :
==4506== Mismatched free()/delete/delete []
==4506== at 0x4C27FFF: operator delete(void*) (vg_replace_malloc.c:387)
==4506== by 0x400CD2: MyQueue::dequeue() (MyQueue.h:37)
==4506== by 0x400DD7: main (p1.cpp:24)
==4506== Address 0x5964040 is 0 bytes inside a block of size 120 alloc'd
==4506== at 0x4C28658: operator new[](unsigned long) (vg_replace_malloc.c:305)
==4506== by 0x400D35: MyQueue::MyQueue(int) (MyQueue.h:49)
==4506== by 0x400D9F: main (p1.cpp:21)
==4506==
1 =1?
==4506== Invalid free()/delete/delete[]
==4506== at 0x4C27C7B: operator delete[](void*) (vg_replace_malloc.c:409)
==4506== by 0x400D74: MyQueue::~MyQueue() (MyQueue.h:54)
==4506== by 0x400E2F: main (p1.cpp:21)
==4506== Address 0x596404c is 12 bytes inside a block of size 120 free'd
==4506== at 0x4C27FFF: operator delete(void*) (vg_replace_malloc.c:387)
==4506== by 0x400CD2: MyQueue::dequeue() (MyQueue.h:37)
==4506== by 0x400DD7: main (p1.cpp:24)
==4506==
==4506==
==4506== HEAP SUMMARY:
==4506== in use at exit: 0 bytes in 0 blocks
==4506== total heap usage: 1 allocs, 2 frees, 120 bytes allocated
==4506==
==4506== All heap blocks were freed -- no leaks are possible
==4506==
==4506== For counts of detected and suppressed errors, rerun with: -v
==4506== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 4 from 4)
似乎是愚蠢的东西,但我无法弄清楚了我的生活,感谢您的帮助
是否有一个特定的原因,你不使用'std ::队列'并写你自己的呢? –
Lambdageek
有没有特别的原因,你不缩进你的代码? –