mame/3rdparty/lzma/CPP/Windows/ErrorMsg.cpp
2023-12-06 07:58:49 +11:00

134 lines
3.2 KiB
C++

// Windows/ErrorMsg.h
#include "StdAfx.h"
#if !defined(_UNICODE) || !defined(_WIN32)
#include "../Common/StringConvert.h"
#endif
#include "ErrorMsg.h"
#ifdef _WIN32
#if !defined(_UNICODE)
extern bool g_IsNT;
#endif
#endif
namespace NWindows {
namespace NError {
static bool MyFormatMessage(DWORD errorCode, UString &message)
{
#ifndef Z7_SFX
if ((HRESULT)errorCode == MY_HRES_ERROR_INTERNAL_ERROR)
{
message = "Internal Error: The failure in hardware (RAM or CPU), OS or program";
return true;
}
#endif
#ifdef _WIN32
LPVOID msgBuf;
#ifndef _UNICODE
if (!g_IsNT)
{
if (::FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, errorCode, 0, (LPTSTR) &msgBuf, 0, NULL) == 0)
return false;
message = GetUnicodeString((LPCTSTR)msgBuf);
}
else
#endif
{
if (::FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, errorCode, 0, (LPWSTR) &msgBuf, 0, NULL) == 0)
return false;
message = (LPCWSTR)msgBuf;
}
::LocalFree(msgBuf);
return true;
#else // _WIN32
AString m;
const char *s = NULL;
switch ((Int32)errorCode)
{
// case ERROR_NO_MORE_FILES : s = "No more files"; break;
// case ERROR_DIRECTORY : s = "Error Directory"; break;
case E_NOTIMPL : s = "E_NOTIMPL : Not implemented"; break;
case E_NOINTERFACE : s = "E_NOINTERFACE : No such interface supported"; break;
case E_ABORT : s = "E_ABORT : Operation aborted"; break;
case E_FAIL : s = "E_FAIL : Unspecified error"; break;
case STG_E_INVALIDFUNCTION : s = "STG_E_INVALIDFUNCTION"; break;
case CLASS_E_CLASSNOTAVAILABLE : s = "CLASS_E_CLASSNOTAVAILABLE"; break;
case E_OUTOFMEMORY : s = "E_OUTOFMEMORY : Can't allocate required memory"; break;
case E_INVALIDARG : s = "E_INVALIDARG : One or more arguments are invalid"; break;
// case MY_E_ERROR_NEGATIVE_SEEK : s = "MY_E_ERROR_NEGATIVE_SEEK"; break;
default:
break;
}
/* strerror() for unknown errors still shows message "Unknown error -12345678")
So we must transfer error codes before strerror() */
if (!s)
{
if ((errorCode & 0xFFFF0000) == (UInt32)((MY_FACILITY_WRes << 16) | 0x80000000))
errorCode &= 0xFFFF;
else if ((errorCode & ((UInt32)1 << 31)))
return false; // we will show hex error later for that case
s = strerror((int)errorCode);
// if (!s)
{
m += "errno=";
m.Add_UInt32(errorCode);
if (s)
m += " : ";
}
}
if (s)
m += s;
MultiByteToUnicodeString2(message, m);
return true;
#endif
}
UString MyFormatMessage(DWORD errorCode)
{
UString m;
if (!MyFormatMessage(errorCode, m) || m.IsEmpty())
{
char s[16];
for (int i = 0; i < 8; i++)
{
unsigned t = errorCode & 0xF;
errorCode >>= 4;
s[7 - i] = (char)((t < 10) ? ('0' + t) : ('A' + (t - 10)));
}
s[8] = 0;
m += "Error #";
m += s;
}
else if (m.Len() >= 2
&& m[m.Len() - 1] == 0x0A
&& m[m.Len() - 2] == 0x0D)
m.DeleteFrom(m.Len() - 2);
return m;
}
}}