int xWrite(sqlite3_file*file, const void*buffer, int iAmt, sqlite3_int64 iOfst)
{
struct my_file_data *my_file = (struct my_file_data*)file;
size_t actual;
#ifdef LOG_OPERATIONS
lprintf( "Write %s %d at %d", my_file->filename, iAmt, iOfst );
//LogBinary( buffer, iAmt );
#endif
{
size_t filesize = sack_fsize( my_file->file );
if( filesize < iOfst )
{
static unsigned char *filler;
if( !filler )
{
filler = NewArray( unsigned char, 512 );
MemSet( filler, 0, 512 );
}
sack_fseek( my_file->file, 0, SEEK_END );
while( filesize < iOfst )
{
if( ( iOfst - filesize ) >= 512 )
{
sack_fwrite( filler, 1, 512, my_file->file );
filesize += 512;
}
else
{
sack_fwrite( filler, 1, ( iOfst - filesize ), my_file->file );
filesize += ( iOfst - filesize );
}
}
}
}
SaneWinMain( argc, argv )
{
if( argc > 1 )
{
TEXTSTR result;
uint8_t* buf;
size_t length;
FILE *file = sack_fopen( 0, argv[1], "rb" );
length = sack_fseek( file, 0, SEEK_END );
buf = NewArray( uint8_t, length );
sack_fseek( file, 0, SEEK_SET );
sack_fread( buf, 1, length, file );
sack_fclose( file );
result = SRG_EncryptData( buf, length );
{
int wrote = 0;
while( result[wrote] )
{
wrote += printf( "%.80s", result + wrote );
if( result[wrote] )
printf("\\\n" );
}
}
{
size_t testlen;
uint8_t* testbuf;
SRG_DecryptData( result, &testbuf, &testlen );
if( testlen != length )
printf( "\n length fail \n" );
if( MemCmp( testbuf, buf, testlen ) )
printf( "\nFAIL\n" );
Release( testbuf );
}
Release( buf );
Release( result );
}
}
int xRead(sqlite3_file*file, void*buffer, int iAmt, sqlite3_int64 iOfst)
{
struct my_file_data *my_file = (struct my_file_data*)file;
size_t actual;
#ifdef LOG_OPERATIONS
lprintf( "read %s %d %d", my_file->filename, iAmt, iOfst );
#endif
sack_fseek( my_file->file, (size_t)iOfst, SEEK_SET );
if( ( actual = sack_fread( buffer, 1, iAmt, my_file->file ) ) == iAmt )
{
#ifdef LOG_OPERATIONS
//LogBinary( buffer, iAmt );
#endif
return SQLITE_OK;
}
#ifdef LOG_OPERATIONS
lprintf( "Errno : %d", errno );
#endif
MemSet( ((char*)buffer)+actual, 0, iAmt - actual );
return SQLITE_IOERR_SHORT_READ;
}
