static int openExeFileInfoRO( char *filename, ExeFileInfo *info )
/***************************************************************/
{
RcStatus status;
exe_pe_header *pehdr;
info->Handle = RcOpen( filename, O_RDONLY|O_BINARY );
if( info->Handle == NIL_HANDLE ) {
RcError( ERR_CANT_OPEN_FILE, filename, strerror( errno ) );
return( FALSE );
}
info->IsOpen = TRUE;
info->Type = FindNEPELXHeader( info->Handle, &info->WinHeadOffset );
info->name = filename;
switch( info->Type ) {
case EXE_TYPE_NE_WIN:
case EXE_TYPE_NE_OS2:
status = SeekRead( info->Handle, info->WinHeadOffset, &info->u.NEInfo.WinHead, sizeof( os2_exe_header ) );
if( status != RS_OK ) {
RcError( ERR_NOT_VALID_EXE, filename );
return( FALSE );
} else {
info->DebugOffset = info->WinHeadOffset + sizeof( os2_exe_header );
}
break;
case EXE_TYPE_PE:
pehdr = &info->u.PEInfo.WinHeadData;
info->u.PEInfo.WinHead = pehdr;
status = SeekRead( info->Handle, info->WinHeadOffset, &PE32( *pehdr ), sizeof( pe_header ) );
if( status != RS_OK ) {
RcError( ERR_NOT_VALID_EXE, filename );
return( FALSE );
}
if( IS_PE64( *pehdr ) ) {
status = SeekRead( info->Handle, info->WinHeadOffset, &PE64( *pehdr ), sizeof( pe_header64 ) );
if( status != RS_OK ) {
RcError( ERR_NOT_VALID_EXE, filename );
return( FALSE );
}
info->DebugOffset = info->WinHeadOffset + sizeof( pe_header64 );
} else {
info->DebugOffset = info->WinHeadOffset + sizeof( pe_header );
}
break;
case EXE_TYPE_LX:
status = SeekRead( info->Handle, info->WinHeadOffset, &info->u.LXInfo.OS2Head, sizeof( os2_flat_header ) );
if( status != RS_OK ) {
RcError( ERR_NOT_VALID_EXE, filename );
return( FALSE );
} else {
info->DebugOffset = info->WinHeadOffset + sizeof( os2_flat_header );
}
break;
default:
RcError( ERR_NOT_VALID_EXE, filename );
return( FALSE );
break;
}
RcSeek( info->Handle, 0, SEEK_SET );
return( TRUE );
} /* openExeFileInfoRO */
static bool openExeFileInfoRO( const char *filename, ExeFileInfo *info )
/**********************************************************************/
{
RcStatus status;
exe_pe_header *pehdr;
info->fp = ResOpenFileRO( filename );
if( info->fp == NULL ) {
RcError( ERR_CANT_OPEN_FILE, filename, strerror( errno ) );
return( false );
}
info->IsOpen = true;
info->Type = FindNEPELXHeader( info->fp, &info->WinHeadOffset );
info->name = filename;
switch( info->Type ) {
case EXE_TYPE_NE_WIN:
case EXE_TYPE_NE_OS2:
status = SeekRead( info->fp, info->WinHeadOffset, &info->u.NEInfo.WinHead, sizeof( os2_exe_header ) );
if( status != RS_OK ) {
RcError( ERR_NOT_VALID_EXE, filename );
return( false );
} else {
info->DebugOffset = info->WinHeadOffset + sizeof( os2_exe_header );
}
break;
case EXE_TYPE_PE:
pehdr = &info->u.PEInfo.WinHeadData;
info->u.PEInfo.WinHead = pehdr;
status = SeekRead( info->fp, info->WinHeadOffset, &PE32( *pehdr ), sizeof( pe_header ) );
if( status != RS_OK ) {
RcError( ERR_NOT_VALID_EXE, filename );
return( false );
}
if( IS_PE64( *pehdr ) ) {
status = SeekRead( info->fp, info->WinHeadOffset, &PE64( *pehdr ), sizeof( pe_header64 ) );
if( status != RS_OK ) {
RcError( ERR_NOT_VALID_EXE, filename );
return( false );
}
info->DebugOffset = info->WinHeadOffset + sizeof( pe_header64 );
} else {
info->DebugOffset = info->WinHeadOffset + sizeof( pe_header );
}
break;
case EXE_TYPE_LX:
status = SeekRead( info->fp, info->WinHeadOffset, &info->u.LXInfo.OS2Head, sizeof( os2_flat_header ) );
if( status != RS_OK ) {
RcError( ERR_NOT_VALID_EXE, filename );
return( false );
} else {
info->DebugOffset = info->WinHeadOffset + sizeof( os2_flat_header );
}
break;
default:
RcError( ERR_NOT_VALID_EXE, filename );
return( false );
break;
}
return( !RESSEEK( info->fp, 0, SEEK_SET ) );
} /* openExeFileInfoRO */
