void FileReading::SkipBytes( RageFileBasic &f, int iBytes, RString &sError )
{
if( sError.size() != 0 )
return;
iBytes += f.Tell();
FileReading::Seek( f, iBytes, sError );
}
static bool GetSha1ForFile( RageFileBasic &f, unsigned char *szHash )
{
hash_state sha1e;
sha1_init(&sha1e);
int origpos = f.Tell();
f.Seek(0);
unsigned char buf[4096];
int got = f.Read(buf, 4096);
if ( got == -1 )
return false;
while (got > 0)
{
sha1_process(&sha1e, buf, got);
got = f.Read(buf, 4096);
if ( got == -1 )
return false;
}
sha1_done(&sha1e, szHash);
f.Seek(origpos);
return true;
}
static long OggRageFile_tell_func( void *datasource )
{
RageFileBasic *f = (RageFileBasic *) datasource;
return f->Tell();
}
