Problems with _mkdir();

[NUCkSL3A]

Hello. I am recently working on a project.

_mkdir("C:\\windows\\system32\\test");
The above line is causing problems, as it doesn't create the folder. I'm running with full admin on a Windows 7 machine. mkdir used to work for some reason but now it doesn't. Any help is greatly appreciated.

[Golden Lizard]

Try using wchar_t * or LPCSTR instead of char *.

_wmkdir(L"C:\\windows\\system32\\test"); 

Also system() command can bypass rights:
http://www.cplusplus.com/articles/j3wTURfi/

so maybe this would work

system(Notepad)
_wmkdir(L"C:\\windows\\system32\\test");

[NUCkSL3A]

The problem is it works on other locations, like program files. It only seems to not work on some locations. Again, I'm using an admin account on the debugging computer.

[Thomas1965]

You can try the CreateDirectory function and and use GetLastError in case it doesn't work.

https://msdn.microsoft.com/en-us/library/windows/desktop/aa363855(v=vs.85).aspx

[jlb]

Is it possible that your antivirus program is preventing the creation of the directory in that "system level" directory?

[NUCkSL3A]

I don't have an antivirus. Can anyone who has Visual Studio tell me their settings and give me a working example?

[Thomas1965]

This code worked for me. Make sure that you run VS as administrator.

#include <windows.h>
#include <iostream>
#include <string>
#include <sstream>

using namespace std;

string GetLastWinError ()
{
  LPVOID lpMsgBuf = 0;
  LPVOID lpDisplayBuf = 0;
  DWORD dw = GetLastError ();

  FormatMessageA (FORMAT_MESSAGE_ALLOCATE_BUFFER |FORMAT_MESSAGE_FROM_SYSTEM, NULL, dw,
    MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT), (LPSTR)&lpMsgBuf,
    0, NULL);

  std::ostringstream oss;
  oss << "Windows Error ";
  oss << dw << " :" << (LPCSTR)lpMsgBuf;

  LocalFree (lpMsgBuf);

  return oss.str();

}

int main()
{
  const char szDirectory[] = "C:\\Windows\\System32\\test";
  cout << "Try creating directory " << szDirectory << "\n";
  if (CreateDirectoryA(szDirectory, 0))
    cout << "Directory created successfully\n";
  else
    cerr << GetLastWinError() << "\n\n";

  system("pause");
  return 0;
}

[NUCkSL3A]

No.. for some reason none of these work. :/ #Murphy'sLaw.

[Thomas1965]

What error msg did you get ?