private long readBinaryLong(int length, bool swapHalfWord)
//throws IOException
{
byte [] tmp = new byte[length];
readFully(tmp, 0, tmp.Length);
return(CpioUtil.byteArray2long(tmp, swapHalfWord));
}
/**
* Reads the next CPIO file entry and positions stream at the beginning of
* the entry data.
*
* @return the CPIOArchiveEntry just read
* @throws IOException
* if an I/O error has occurred or if a CPIO file error has
* occurred
*/
public CpioArchiveEntry getNextCPIOEntry() //throws IOException
{
ensureOpen();
if (this.entry != null)
{
closeEntry();
}
byte [] magic = new byte[2];
readFully(magic, 0, magic.Length);
if (CpioUtil.byteArray2long(magic, false) == CpioConstants.MAGIC_OLD_BINARY)
{
this.entry = readOldBinaryEntry(false);
}
else if (CpioUtil.byteArray2long(magic, true) == CpioConstants.MAGIC_OLD_BINARY)
{
this.entry = readOldBinaryEntry(true);
}
else
{
byte [] more_magic = new byte[4];
readFully(more_magic, 0, more_magic.Length);
byte [] tmp = new byte[6];
java.lang.SystemJ.arraycopy(magic, 0, tmp, 0, magic.Length);
java.lang.SystemJ.arraycopy(more_magic, 0, tmp, magic.Length, more_magic.Length);
String magicString = ArchiveUtils.toAsciiString(tmp);
if (magicString.equals(CpioConstants.MAGIC_NEW))
{
this.entry = readNewEntry(false);
}
else if (magicString.equals(CpioConstants.MAGIC_NEW_CRC))
{
this.entry = readNewEntry(true);
}
else if (magicString.equals(CpioConstants.MAGIC_OLD_ASCII))
{
this.entry = readOldAsciiEntry();
}
else
{
throw new java.io.IOException("Unknown magic [" + magicString + "]. Occured at byte: " + getBytesRead());
}
}
this.entryBytesRead = 0;
this.entryEOF = false;
this.crc = 0;
if (this.entry.getName().equals(CpioConstants.CPIO_TRAILER))
{
this.entryEOF = true;
return(null);
}
return(this.entry);
}