161 lines
3.0 KiB
C++
161 lines
3.0 KiB
C++
// Copyright (c) 1997-1999 Microsoft Corporation
|
|
//
|
|
// core utility functions
|
|
//
|
|
// 30 Nov 1999 sburns
|
|
|
|
|
|
|
|
#include "headers.hxx"
|
|
|
|
|
|
|
|
HINSTANCE
|
|
Burnslib::GetResourceModuleHandle()
|
|
{
|
|
ASSERT(hResourceModuleHandle);
|
|
|
|
return hResourceModuleHandle;
|
|
}
|
|
|
|
|
|
|
|
// Attempt to locate a message in a given module. Return the message string
|
|
// if found, the empty string if not.
|
|
//
|
|
// flags - FormatMessage flags to use
|
|
//
|
|
// module - module handle of message dll to look in, or 0 to use the system
|
|
// message table.
|
|
//
|
|
// code - message code to look for. This could be an HRESULT, or a win32
|
|
// error code.
|
|
|
|
String
|
|
GetMessageHelper(DWORD flags, HMODULE module, DWORD code)
|
|
{
|
|
ASSERT(flags & FORMAT_MESSAGE_ALLOCATE_BUFFER);
|
|
|
|
String message;
|
|
|
|
TCHAR* sysMessage = 0;
|
|
DWORD result =
|
|
::FormatMessage(
|
|
flags,
|
|
module,
|
|
code,
|
|
0,
|
|
reinterpret_cast<PTSTR>(&sysMessage),
|
|
0,
|
|
0);
|
|
if (result)
|
|
{
|
|
ASSERT(sysMessage);
|
|
if (sysMessage)
|
|
{
|
|
message = sysMessage;
|
|
|
|
ASSERT(result == message.length());
|
|
|
|
::LocalFree(sysMessage);
|
|
|
|
message.replace(L"\r\n", L" ");
|
|
}
|
|
}
|
|
|
|
return message;
|
|
}
|
|
|
|
|
|
|
|
// Attempts to locate message strings for various facility codes in the
|
|
// HRESULT
|
|
|
|
String
|
|
Burnslib::GetErrorMessage(HRESULT hr)
|
|
{
|
|
LOG_FUNCTION2(GetErrorMessage, String::format(L"%1!08X!", hr));
|
|
|
|
if (!FAILED(hr) && hr != S_OK)
|
|
{
|
|
// no messages for success codes other than S_OK
|
|
|
|
ASSERT(false);
|
|
|
|
return String();
|
|
}
|
|
|
|
String message;
|
|
|
|
// default is the system error message table
|
|
|
|
HMODULE module = 0;
|
|
|
|
do
|
|
{
|
|
WORD code = static_cast<WORD>(HRESULT_CODE(hr));
|
|
if (code == -1)
|
|
{
|
|
// return "unknown" message
|
|
|
|
break;
|
|
}
|
|
|
|
DWORD flags =
|
|
FORMAT_MESSAGE_ALLOCATE_BUFFER
|
|
| FORMAT_MESSAGE_IGNORE_INSERTS
|
|
| FORMAT_MESSAGE_FROM_SYSTEM;
|
|
|
|
|
|
if (!HRESULT_FACILITY(hr) && (code >= 0x5000 && code <= 0x50FF))
|
|
{
|
|
// It's an ADSI error
|
|
|
|
flags |= FORMAT_MESSAGE_FROM_HMODULE;
|
|
|
|
module =
|
|
::LoadLibraryEx(
|
|
L"activeds.dll",
|
|
0,
|
|
LOAD_LIBRARY_AS_DATAFILE | DONT_RESOLVE_DLL_REFERENCES);
|
|
if (!module)
|
|
{
|
|
// return "unknown" message
|
|
|
|
LOG_HRESULT(Win32ToHresult(::GetLastError()));
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
// try FormatMessage with the full HRESULT first
|
|
|
|
message = GetMessageHelper(flags, module, hr);
|
|
|
|
if (message.empty())
|
|
{
|
|
// try again with just the error code
|
|
|
|
message = GetMessageHelper(flags, module, code);
|
|
}
|
|
}
|
|
while (0);
|
|
|
|
if (message.empty())
|
|
{
|
|
message = String::load(IDS_UNKNOWN_ERROR_CODE);
|
|
}
|
|
|
|
if (module)
|
|
{
|
|
BOOL unused = ::FreeLibrary(module);
|
|
|
|
ASSERT(unused);
|
|
}
|
|
|
|
return message.strip(String::BOTH);
|
|
}
|
|
|
|
|
|
|