1 files changed, 156 insertions, 0 deletions
diff --git a/jindroush/lib/cfs_b2b.cpp b/jindroush/lib/cfs_b2b.cpp
new file mode 100644
index 0000000..8b62ded
--- /dev/null
+++ b/jindroush/lib/cfs_b2b.cpp
@@ -0,0 +1,156 @@
+//    This program is free software; you can redistribute it and/or modify
+//    it under the terms of the GNU General Public License as published by
+//    the Free Software Foundation; either version 2 of the License, or
+//    any later version.
+//
+//    This program is distributed in the hope that it will be useful,
+//    but WITHOUT ANY WARRANTY; without even the implied warranty of
+//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//    GNU General Public License for more details.
+//
+//    You should have received a copy of the GNU General Public License
+//    along with this program; if not, write to the Free Software
+//    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#include "cfs_b2b.h"
+#include "autil.h"
+
+CBas2Boot::CBas2Boot() : CFs()
+{
+	#ifdef _MEMORY_DUMP_
+		printf( "CBas2Boot constructed: %08X\n", this );
+	#endif
+}
+
+CBas2Boot::~CBas2Boot()
+{
+	Dismount();
+	#ifdef _MEMORY_DUMP_
+		printf( "CBas2Boot destructed: %08X\n", this );
+	#endif
+}
+
+BOOL CBas2Boot::Mount( ADisk* pDisk )
+{
+	m_iFilesValid = 0;
+	m_iFilesInvalid = 0;
+	m_pDisk = pDisk;
+	m_pRoot = NULL;
+
+	if ( m_pDisk->GetSectorSize() != 0x80 )
+	{
+		sprintf( m_szLastError, "BAS2BOOT: Can't process DD disk!" );
+		return FALSE;
+	}
+
+	m_pRoot = CreateEntry();
+
+	return m_pRoot ? TRUE : FALSE;
+}
+
+void CBas2Boot::Dismount()
+{
+	DeleteList( m_pRoot );
+}
+
+CBas2BootDirEntry* CBas2Boot::CreateEntry()
+{
+	CBas2BootDirEntry* pE = new CBas2BootDirEntry();
+
+	if ( !pE )
+		return NULL;
+
+	BYTE abtSec[ 0x100 ];
+
+	if ( !m_pDisk->ReadSector( abtSec, 1 ) )
+	{								
+		sprintf( m_szLastError, "BAS2BOOT: Can't read boot sector because\n%s", m_pDisk->GetLastError() );
+		delete pE;
+		return NULL;
+	}
+
+	pE->m_dwFileLen = abtSec[ 8 ] + ( abtSec[ 9 ] << 8 );
+
+	if ( !m_pDisk->ReadSector( abtSec, 2 ) )
+	{
+		sprintf( m_szLastError, "BAS2BOOT: Can't read boot sector because\n%s", m_pDisk->GetLastError() );
+		delete pE;
+		return NULL;
+	}
+
+	int iSectors = ( ( pE->m_dwFileLen - 0x0E + 0x7F ) / 0x80 );
+	int iStoredSectors = abtSec[ 0x70 ] + ( abtSec[ 0x71 ] << 8 );
+
+	if ( ( iSectors - 1 ) != iStoredSectors )
+	{
+		sprintf( m_szLastError, "BAS2BOOT: Not a Bas2Boot image or invalid! (%d<>%d)", iSectors - 1, iStoredSectors );
+		delete pE;
+		return NULL;
+	}
+
+
+	if ( ( iSectors + 2 ) > m_pDisk->GetSectorCount() )
+	{
+		sprintf( m_szLastError, "BAS2BOOT: Not a Bas2Boot image or invalid! (%d<>%d)", iSectors + 2, m_pDisk->GetSectorCount() );
+		delete pE;
+		return NULL;
+	}
+
+	sprintf( pE->m_szAscData, "%06lX", pE->m_dwFileLen );
+
+	GuessBestFnameFromPC( pE->m_szFname, m_pDisk->GetImageName(), "bas" );
+
+	return pE;
+}
+
+BOOL CBas2Boot::ExportFile( char* szOutFile, CDirEntry* pDirE )
+{
+	int hOutfile = -1;
+
+	if ( szOutFile )
+	{
+		hOutfile = open( szOutFile, O_BINARY | O_CREAT | O_TRUNC | O_WRONLY, 0666 );
+
+		if ( -1 == hOutfile )
+		{
+			sprintf( m_szLastError, "BAS2BOOT: Unable to create file '%s'!", szOutFile );
+			return FALSE;
+		}
+	}
+
+	DWORD dwFileLen = ((CBas2BootDirEntry*)pDirE) ->m_dwFileLen;
+
+	BYTE abtBuff[ 0x80 ];
+
+	int iSector = 3;
+
+	m_pDisk->ReadSector( abtBuff, 2 );
+	if ( -1 != hOutfile )
+		write( hOutfile, abtBuff + 0x72, 0x0E );
+
+	dwFileLen -= 0xE;
+
+	while( dwFileLen )
+	{
+		WORD wToCopy = ( dwFileLen < 0x80 ) ? dwFileLen : 0x80;
+
+		if ( !m_pDisk->ReadSector( abtBuff, iSector ) )
+		{
+			sprintf( m_szLastError, "BAS2BOOT: Can't read sector because\n%s", m_pDisk->GetLastError() );
+			return FALSE;
+		}
+
+		if ( -1 != hOutfile )
+			write( hOutfile, abtBuff, wToCopy );
+
+		dwFileLen -= wToCopy;
+		iSector++;
+
+	}
+	if ( -1 != hOutfile )
+		close( hOutfile );
+
+	return TRUE;
+}
+