Where could i get help and which forum to use:
I have this C program I have been working on, and I'd like to be checked if the code is properly written, does not contain a lot of mistakes, and conforms correctly to the Microsoft's documentation (https://docs.microsoft.com/en-us/windows/win32/api/winreg/nf-winreg-reggetvaluea)
DWORD BufferSize;
HKEY hkey = HKEY_LOCAL_MACHINE;
LPCSTR lpSubKey = "SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment";
LPCSTR lpValue = "Path";
DWORD dwFlags = RRF_RT_ANY;
LPDWORD pdwType = NULL;
PVOID pvData = NULL;
LPDWORD pcbData = &BufferSize;
// First, RegGetValueA retrieves pcbData, which contains size of pvData in bytes
RegGetValueA(hkey, lpSubKey, lpValue, dwFlags, pdwType, pvData, pcbData);
// Allocate Memory for pvData
pvData = (int*)malloc(*pcbData);
// Second, RegGetValueA retrieves pvData, which contains path variable value
RegGetValueA(hkey, lpSubKey, lpValue, dwFlags, pdwType, pvData, pcbData);
puts("___________________[pvData]___________________");
puts(pvData);
puts("___________________[Debug]____________________");
printf(" Retrieved information about array size: %i\n",*pcbData);
printf(" Actual size of the array: %i\n", strlen(pvData));
printf(" Manually Allocated bytes for the array: %zu", sizeof(pvData));
printf("\n (Since malloc was used, the dynamic Allocation makes the Manual Allocation results strange.)\n");
// https://stackoverflow.com/questions/37447198/dynamically-allocated-variable-size // https://stackoverflow.com/questions/37447198/dynamically-allocated-variable-size
