* 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 <fs_attr.h>
namespace BPackageKit {
namespace BHPKG {
BAttributeDataReader::BAttributeDataReader(int fd, const char* attribute,
uint32 type)
:
fFD(fd),
fType(type),
fAttribute(attribute)
{
}
status_t
BAttributeDataReader::ReadData(off_t offset, void* buffer, size_t size)
{
ssize_t bytesRead = fs_read_attr(fFD, fAttribute, fType, offset, buffer,
size);
if (bytesRead < 0)
return errno;
return (size_t)bytesRead == size ? B_OK : B_ERROR;
}
}
}
