C / C++ / MFC

#include <string.h>
#include <stdio.h>

class Base
{
    public:
         Base(){}
         Base(char * str)
         {
              ptr = new char[strlen(str)+1];
              strcpy(ptr,str);
         }
    protected:
        char * ptr;
};

class Derived : public Base
{
    public:
         Derived(char * str1,char * str2):Base(str2)
         {
              ptr_s = new char[strlen(str1)+1];
              strcpy(ptr_s,str1);
         }
         Derived(const Derived & sec):Base(sec.ptr)
         {
              printf("Derived(const Derived &sec)\n");
              this->ptr_s = new char[strlen(sec.ptr_s)+1];
              strcpy(this->ptr_s,sec.ptr_s);
         }
        void showName()
        {
            printf("%s %s\n", ptr_s, ptr);
        }
    protected:
        char * ptr_s;
};

int main(int argc, char* argv[])
{
     Derived Obj1("sunil","singh");

     Derived Obj2 = Obj1;

     Obj1.showName();
     Obj2.showName();

     return 0;
}

#include <string.h>
#include <stdio.h>

class Base
{
    public:
         Base(){}
         Base(char * str)
         {
              ptr = new char[strlen(str)+1];
              strcpy(ptr,str);
         }
         Base(const Base &src)
         {
              this->ptr = new char[strlen(src.ptr)+1];
              strcpy(this->ptr,src.ptr);
         }
         virtual void showName()
         {
             printf("%s", ptr);
         }
    private:
        char * ptr;
};

class Derived : public Base
{
    public:
         Derived(char * str1,char * str2):Base(str2)
         {
              ptr_s = new char[strlen(str1)+1];
              strcpy(ptr_s,str1);
         }
         Derived(const Derived & sec):Base(sec)
         {
              printf("Derived(const Derived &sec)\n");
              this->ptr_s = new char[strlen(sec.ptr_s)+1];
              strcpy(this->ptr_s,sec.ptr_s);
         }
        void showName()
        {
            printf("%s", ptr_s);
        }
        void showFullName()
        {
            showName();
            printf(" ");
            Base::showName();
            printf("\n");
        }
    private:
        char * ptr_s;
};

int main(int argc, char* argv[])
{
     Derived Obj1("sunil","singh");

     Derived Obj2 = Obj1;

     Obj1.showFullName();
     Obj2.showFullName();

     return 0;
}

cyysoft wrote:

How can I create new a process from my program, and HIDE it from taskmgr.exe?

Rajesh R Subramanian wrote:

why do you need to hide a process?

LionAM wrote:

Is there any way to share the files across dll boundaries?

LionAM wrote:

I get an assertion.

LionAM wrote:

the file f is not known within the dll

int fd = _wopen(filename, _O_BINARY | _O_RDONLY, 0666);

read(fd, buf, bufsize)

---------------------------
Microsoft Visual C++ Debug Library
---------------------------
Debug Assertion Failed!

Program: p:\OLE_PDF\Debug\OLE_PDF_Test.exe
File: f:\dd\vctools\crt_bld\self_x86\crt\src\read.c
Line: 86

Expression: (_osfile(fh) & FOPEN)

static fz_colorspace k_device_bgr = { -1, "DeviceRGB", 3, bgr_to_rgb, rgb_to_bgr };
fz_colorspace *fz_device_bgr = &k_device_bgr;

extern fz_colorspace *fz_device_bgr;

fz_colorspace *colorspace = fz_device_bgr;

LionAM wrote:

It is passed to the library. However, the function fails with an access violation when the dll tries to change a member of the colorspace struct. The problem is that fz_device_bgr has different values inside the dll and inside the sample (where it is undefinded?).