ntstatus_error Class Reference

#include <shellext.h>

Inheritance diagram for ntstatus_error:

Collaboration diagram for ntstatus_error:

Public Member Functions
	ntstatus_error (NTSTATUS Status)
const char *	what () const noexcept

Public Attributes
NTSTATUS	Status
Public Attributes inherited from __exception
vtable_ptr *	vtable
char *	name
int	do_free
const vtable_ptr *	vtable
BOOL	do_free

Private Attributes
string	msg

Detailed Description

Definition at line 377 of file shellext.h.

Constructor & Destructor Documentation

ntstatus_error()

ntstatus_error::ntstatus_error

(

NTSTATUS

Status

)

Definition at line 793 of file main.cpp.

                                              : Status(Status) {
    _RtlNtStatusToDosError RtlNtStatusToDosError;
    HMODULE ntdll = LoadLibraryW(L"ntdll.dll");
    WCHAR* buf;
 
    if (!ntdll)
        throw runtime_error("Error loading ntdll.dll.");
 
    try {
        RtlNtStatusToDosError = (_RtlNtStatusToDosError)GetProcAddress(ntdll, "RtlNtStatusToDosError");
 
        if (!RtlNtStatusToDosError)
            throw runtime_error("Error loading RtlNtStatusToDosError in ntdll.dll.");
 
        if (FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, nullptr,
            RtlNtStatusToDosError(Status), 0, (WCHAR*)&buf, 0, nullptr) == 0)
            throw runtime_error("FormatMessage failed");
 
        try {
            msg = utf16_to_utf8(buf);
        } catch (...) {
            LocalFree(buf);
            throw;
        }
 
        LocalFree(buf);
    } catch (...) {
        FreeLibrary(ntdll);
        throw;
    }
 
    FreeLibrary(ntdll);
}

Member Function Documentation

what()

const char * ntstatus_error::what ( ) const

inlinenoexcept

Definition at line 381 of file shellext.h.

                                      {
        return msg.c_str();
    }

Member Data Documentation

msg

string ntstatus_error::msg

private

Definition at line 388 of file shellext.h.

Referenced by ntstatus_error(), and what().

Status

NTSTATUS ntstatus_error::Status

Definition at line 385 of file shellext.h.

Referenced by BtrfsChangeDriveLetter::DlgProc().

---

The documentation for this class was generated from the following files:

• dll/shellext/shellbtrfs/shellext.h
• dll/shellext/shellbtrfs/main.cpp