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// #include <stdafx.h>
#include "mdump.h"
#include <assert.h>
#include <string.h>
#include <stdio.h>
#include <mbstring.h>
#include <wchar.h>
#include <TCHAR.H>
#include "../../ascstring.h"
#include "../../strtmesg.h"
// because the windows header are polluting the global namespace we can't include basestrm.h :-(
extern int getSearchPathNum();
extern ASCString getSearchPath ( int i );
LPCSTR MiniDumper::m_szAppName;
MiniDumper::MiniDumper( LPCSTR szAppName )
{
// if this assert fires then you have two instances of MiniDumper
// which is not allowed
assert( m_szAppName==NULL );
m_szAppName = szAppName ? strdup(szAppName) : "Application";
::SetUnhandledExceptionFilter( TopLevelFilter );
}
LONG MiniDumper::TopLevelFilter( struct _EXCEPTION_POINTERS *pExceptionInfo )
{
LONG retval = EXCEPTION_CONTINUE_SEARCH;
HWND hParent = NULL; // find a better value for your app
// firstly see if dbghelp.dll is around and has the function we need
// look next to the EXE first, as the one in System32 might be old
// (e.g. Windows 2000)
HMODULE hDll = NULL;
char szDbgHelpPath[_MAX_PATH];
if (GetModuleFileName( NULL, szDbgHelpPath, _MAX_PATH ))
{
char *pSlash = _tcsrchr( szDbgHelpPath, '\\' );
if (pSlash)
{
_tcscpy( pSlash+1, "DBGHELP.DLL" );
hDll = ::LoadLibrary( szDbgHelpPath );
}
}
if (hDll==NULL)
{
// load any version we can
hDll = ::LoadLibrary( "DBGHELP.DLL" );
}
LPCTSTR szResult = NULL;
if (hDll)
{
MINIDUMPWRITEDUMP pDump = (MINIDUMPWRITEDUMP)::GetProcAddress( hDll, "MiniDumpWriteDump" );
if (pDump)
{
char szDumpPath[_MAX_PATH];
char szScratch [_MAX_PATH];
if ( getSearchPathNum() ) {
_tcscpy( szDumpPath, getSearchPath(0).c_str() );
} else {
// work out a good place for the dump file
if (!GetTempPath( _MAX_PATH, szDumpPath ))
_tcscpy( szDumpPath, "c:\\temp\\" );
}
_tcscat( szDumpPath, getFullVersionString() );
_tcscat( szDumpPath, m_szAppName );
_tcscat( szDumpPath, ".dmp" );
// ask the user if they want to save a dump file
// if (::MessageBox( NULL, "ASC has crashed. would you like to save a diagnostic file?", m_szAppName, MB_YESNO )==IDYES)
if ( true ) {
// create the file
HANDLE hFile = ::CreateFile( szDumpPath, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL );
if (hFile!=INVALID_HANDLE_VALUE)
{
_MINIDUMP_EXCEPTION_INFORMATION ExInfo;
ExInfo.ThreadId = ::GetCurrentThreadId();
ExInfo.ExceptionPointers = pExceptionInfo;
ExInfo.ClientPointers = NULL;
// write the dump
BOOL bOK = pDump( GetCurrentProcess(), GetCurrentProcessId(), hFile, MiniDumpNormal, &ExInfo, NULL, NULL );
if (bOK)
{
sprintf( szScratch, "ASC has crashed :-(\nSaved dump file to '%s'\nPlease send it to bugs@asc-hq.org", szDumpPath );
szResult = szScratch;
retval = EXCEPTION_EXECUTE_HANDLER;
}
else
{
sprintf( szScratch, "Failed to save dump file to '%s' (error %d)", szDumpPath, GetLastError() );
szResult = szScratch;
}
::CloseHandle(hFile);
::MessageBox( NULL, szResult, m_szAppName, MB_OK | MB_ICONERROR );
return retval;
}
else
{
sprintf( szScratch, "Failed to create dump file '%s' (error %d)", szDumpPath, GetLastError() );
szResult = szScratch;
}
}
}
else
{
szResult = "DBGHELP.DLL too old";
::MessageBox( NULL, szDbgHelpPath, m_szAppName, MB_OK | MB_ICONERROR);
return retval;
}
}
else
{
szResult = "DBGHELP.DLL not found";
}
if (szResult)
::MessageBox( NULL, szResult, m_szAppName, MB_OK | MB_ICONERROR );
return retval;
}
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