C / C++ / MFC

Member 5502879 wrote:

char *s= "TEST";
char *s1= NULL;

char * s_cpy(char * s,char * s1)
{
char * p=(char*) malloc(strlen(s));
p=s;
printf("%s\n",p); // prints TEST
printf("%s\n",s1); // prints
printf("%s\n",s); // prints TEST
strcpy(s1,p); //error, test.exe has encountered a problem
return s1;
}

Member 5502879 wrote:

char * p=(char*) malloc(strlen(s));
p=s;

auralius wrote:

char * p =(char*) malloc(strlen(s)+1);
s1 = (char*) malloc(10); //use this!!!!
p=s;

char * p =(char*) malloc(strlen(s)+1);
s1 = (char*) malloc(10); //use this!!!!
p=s;

Member 5502879 wrote:

char * p=(char*) malloc(strlen(s));
p=s;

Member 5502879 wrote:

strcpy(s1,p); //error, test.exe has encountered a problem

dtCore::RefPtr<dtCore::Object> m_Obj = new Object("Car");
m_Obj->LoadFile("demoMap/StaticMeshes/Pajero.IVE\0");

class A
{
  int * _p;
public:
  A(){ _p = NULL;}
  void fun1() { _p = new int; *_p = 10; }
  void fun2() 
  {
    if (_p) 
      printf("%d\n", *_p);
    else
      printf("_p is not initialized\n");
  }
  ~A(){if (_p) delete _p;}
};

void main()
{
 A a;
 a.fun2();
 a.fun1();
 a.fun2();
}