当我试图从classA的方法返回classB的对象时,我会抛出'segment fault' . 我不知道如何解决这个错误,如果有人能告诉我为什么会发生这个错误,我将不胜感激 . 所以......这是代码:
classA.h
#include "classB.h"
#ifndef _CLASS_A_H_
#define _CLASS_A_H_
class ClassA{
private:
int id;
ClassB *ptr_classB;
public:
ClassA();
ClassA(int id, std::string name);
inline void setID(int id){this->id = id;}
inline int getID(){return this->id;}
inline ClassB getClassB(){return this->ptr_classB;}
};
#endif
classA.cpp
#include "classA.h"
#include "classB.h"
ClassA::ClassA(){
this->id = 0;
ptr_classB = new ClassB();
}
classB.h
#ifndef _CLASS_B_H
#define _CLASS_B_H
class ClassB{
private:
std::string name;
public:
ClassB();
inline std::string getName(){return this->name;}
};
#endif
classB.cpp
#include <string>
#include "classB.h"
ClassB::ClassB(){
this->name = "default";
}
main.cpp
#include <iostream>
#include "classA.h"
using namespace std;
int main(){
ClassA *ptr_classA = new ClassA();
cout << ptr_classA->getClassB().getName() << endl;
//asd
return 0;
}
Makefile
SRC = src
INC =包含
OBJ = obj
BIN = bin
LIB = lib
CXX = g
CPPFLAGS = -c -I $(INC)/ -std = c 11
all:$(BIN)/ main
$(BIN)/ main:$(OBJ)/main.o
$(CXX) -o $(BIN)/main $(OBJ)/main.o -Llib/ -lclasses
$(OBJ)/main.o:$(SRC)/main.cpp
$(CXX) $(CPPFLAGS) $(SRC)/main.cpp -o $(OBJ)/main.o
$(OBJ)/classA.o:$(SRC)/classA.cpp $(INC)/classA.h $(INC)/classB.h
$(CXX) $(CPPFLAGS) $(SRC)/classA.cpp -o $(OBJ)/classA.o
$(OBJ)/classB.o:$(SRC)/classB.cpp $(INC)/classB.h
$(CXX) $(CPPFLAGS) $(SRC)/classB.cpp -o $(OBJ)/classB.o
$(LIB)/libclasses.a:$(OBJ)/classA.o
ar rsv $(LIB)/libclasses.a $(OBJ)/classA.o
1 回答
清理代码:
在COMPIL时间纠正错误后编译并执行正常,这让我想知道:你到底怎么设法编译这个以获得段错误?