C, Windows API create folder structure after registry keys - c

Question

So I am trying to create a folder structure after a registry key. This is what I did so far
#include "stdafx.h"
#include "windows.h"
#define MAX_KEY_LENGTH 200
#define MAX_VALUE_NAME 16383
DWORD retCode;
void RecursiveQueryKey(HKEY hKey)
{
HKEY nextKey;
WCHAR achKey[MAX_KEY_LENGTH];
DWORD cbName;
DWORD retCode = NULL;
DWORD i=0;
while(retCode !=ERROR_NO_MORE_ITEMS)
{
cbName = MAX_KEY_LENGTH;
retCode = RegEnumKeyEx(hKey, i,achKey,&cbName,NULL,NULL,NULL,NULL);
if (retCode == ERROR_SUCCESS)
{
wprintf(L"(%d) %s\n", i+1, achKey);
WCHAR path[MAX_KEY_LENGTH];
wchar_t *wcsncat(wchar_t *path, const wchar_t *achKey, size_t n);
if(CreateDirectoryEx(TEXT("D:\\csso\\"),achKey, NULL) != 0){
wprintf(L"Directory created in D:\\csso\\%s\n", achKey);
} else {
printf("Directory failed with the error:");
}
wprintf(L"%d\n", GetLastError());
if(RegOpenKeyEx(hKey, achKey, 0, KEY_READ | KEY_WOW64_64KEY, &nextKey) == ERROR_SUCCESS)
{
RecursiveQueryKey(nextKey);
}
}
i++;
}
}
int _tmain(int argc, _TCHAR* argv[])
{
HKEY hKey;
if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\Apple Inc."), 0, KEY_READ | KEY_WOW64_64KEY, &hKey) == ERROR_SUCCESS)
{
printf("RegOpenKeyEx() is OK!\n");
RecursiveQueryKey(hKey);
}
else
printf("RegOpenKeyEx() failed!\n");
RegCloseKey(hKey);
}
I'm pretty new at this, but when I first run the program it says that directory's have all been created but they are not, when I run it again I get error 183 (Already Existent).
I'm really not sure what is the problem here.

Answer 1

OK so I figured it out, the problem came from my inability to create a path, apparently it was pretty simple, here is my final code, maybe it will help someone out.
#include "stdafx.h"
#include "windows.h"
#include "tchar.h"
#include <iostream>
#define KEY_LENGHT 255
#define MAX_VALUE_NAME 16000
#define DEFAULT_KEY L"Apple Inc."
WCHAR path[1024] = L"D:\\csso\\" DEFAULT_KEY;
void Query(HKEY key, WCHAR *path) {
HKEY next;
WCHAR name[KEY_LENGHT];
DWORD lpcname;
DWORD returncode = NULL;
DWORD i = 0;
WCHAR xpath[1024];
while(returncode != ERROR_NO_MORE_ITEMS) {
lpcname = KEY_LENGHT;
returncode =
RegEnumKeyEx(key, i, name, &lpcname, NULL, NULL, NULL, NULL);
if (returncode ==ERROR_SUCCESS) {
wcscpy(xpath, path);
wcscat(xpath, L"\\");
wcscat(xpath, name);
if(CreateDirectory(xpath, NULL)) {
wprintf(L"Creat Folder %s\n", xpath);
} else {
printf("Folder nu a putut fi creat! \n");
wprintf(L"%d\n", GetLastError());
}
DWORD verif =
RegOpenKeyEx(key, name, 0, KEY_READ | KEY_WOW64_64KEY, &next);
if(verif == ERROR_SUCCESS) {
Query(next, xpath);
}
i++;
}
}
}
int _tmain(int argc, _TCHAR* argv[])
{
HKEY key;
DWORD verif =
RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("SOFTWARE\\" DEFAULT_KEY), 0, KEY_READ | KEY_WOW64_64KEY, &key);
if(verif == ERROR_SUCCESS) {
printf("RegOpenKeyEx SUCCESS! \n");
if(!CreateDirectory(_T("D:\\csso\\" DEFAULT_KEY), NULL)) {
printf("Folder nu a putut fi creat! \n");
} else {
Query(key, path);
}
} else {
printf("RegOpenKeyEx FAIL! \n");
wprintf(L"%d\n", GetLastError);
}
RegCloseKey(key);
}
Cheers and best of luck to you guys.