* Copyright 2009-2011, Ingo Weinhold, ingo_weinhold@gmx.de.
* Distributed under the terms of the MIT License.
*/
#include <package/hpkg/DataReader.h>
#include <errno.h>
#include <unistd.h>
namespace BPackageKit {
namespace BHPKG {
BFDDataReader::BFDDataReader(int fd)
:
fFD(fd)
{
}
void
BFDDataReader::SetFD(int fd)
{
fFD = fd;
}
status_t
BFDDataReader::ReadData(off_t offset, void* buffer, size_t size)
{
ssize_t bytesRead = pread(fFD, buffer, size, offset);
if (bytesRead < 0)
return errno;
return (size_t)bytesRead == size ? B_OK : B_ERROR;
}
}
}
