BOOL CRegistry::EnumerateKeys(const DWORD subkey_index, CString& subkey_name, CString& class_name)
{
TCHAR subkey_name_string[ 2048 ];
TCHAR class_name_string[ 2048 ];
DWORD size_of_subkey_name_string = DIMENSION_OF(subkey_name_string) - 1;
DWORD size_of_class_name_string = DIMENSION_OF(class_name_string ) - 1;
::ZeroMemory(subkey_name_string, sizeof(subkey_name_string));
::ZeroMemory(class_name_string, sizeof(class_name_string ));
m_ErrorCode = ::RegEnumKeyEx(m_KeyHandle,
subkey_index,
subkey_name_string,
&size_of_subkey_name_string,
NULL,
class_name_string,
&size_of_class_name_string,
&m_LastWriteTime);
if (m_ErrorCode == ERROR_SUCCESS) {
subkey_name = subkey_name_string;
class_name = class_name_string;
return(TRUE);
}
else {
return(FALSE);
}
}
int main(void)
{
int arr1[] = {2, 4, 5, 8};
int arr2[] = {1, 0, 4, 6};
int arr3[DIMENSION_OF(arr1)];
dot_product(arr3, arr1, arr2, DIMENSION_OF(arr1));
print_iseq(stdout, arr3, BEYOND(arr3));
return 0;
}
BOOL CRegistry::QueryInfo(void)
{
TCHAR class_name[ 2048 ];
::ZeroMemory(class_name, sizeof(class_name));
DWORD size_of_class_name = DIMENSION_OF(class_name) - 1;
m_ErrorCode = ::RegQueryInfoKey(m_KeyHandle,
class_name,
&size_of_class_name,
(LPDWORD) NULL,
&m_NumberOfSubkeys,
&m_LongestSubkeyNameLength,
&m_LongestClassNameLength,
&m_NumberOfValues,
&m_LongestValueNameLength,
&m_LongestValueDataLength,
&m_SecurityDescriptorLength,
&m_LastWriteTime);
if (m_ErrorCode == ERROR_SUCCESS) {
m_ClassName = class_name;
return(TRUE);
}
else {
return(FALSE);
}
}
BOOL CRegistry::EnumerateValues(const DWORD value_index,
CString& name_of_value,
KeyValueTypes& type_code,
LPBYTE data_buffer,
DWORD& size_of_data_buffer)
{
/*
** data_buffer and size_of_data_buffer can be NULL
*/
DWORD temp_type_code = type_code;
TCHAR temp_name[ 2048 ];
::ZeroMemory(temp_name, sizeof(temp_name));
DWORD temp_name_size = DIMENSION_OF(temp_name);
// We were passed a pointer, do not trust it
try {
m_ErrorCode = ::RegEnumValue(m_KeyHandle,
value_index,
temp_name,
&temp_name_size,
NULL,
&temp_type_code,
data_buffer,
&size_of_data_buffer);
if (m_ErrorCode == ERROR_SUCCESS) {
type_code = (KeyValueTypes) temp_type_code;
name_of_value = temp_name;
return(TRUE);
}
else {
return(FALSE);
}
}
catch(...) {
m_ErrorCode = ERROR_EXCEPTION_IN_SERVICE;
return(FALSE);
}
}
