func (odb *Odb) Hash(data []byte, form ObjectType) (*Oid, error) {
oid := new(Oid)
cdata := unsafe.Pointer(&data[0])
defer C.free(cdata)
length := C.size_t(len(data))
ecode := C.git_odb_hash(oid.git_oid, cdata, length, C.git_otype(form))
if ecode != git_SUCCESS {
return nil, gitError()
}
return oid, nil
}
// Hash determines the object-ID (sha1) of a data buffer.
func (v *Odb) Hash(data []byte, otype ObjectType) (oid *Oid, err error) {
oid = new(Oid)
header := (*reflect.SliceHeader)(unsafe.Pointer(&data))
ptr := unsafe.Pointer(header.Data)
runtime.LockOSThread()
defer runtime.UnlockOSThread()
ret := C.git_odb_hash(oid.toC(), ptr, C.size_t(header.Len), C.git_otype(otype))
if ret < 0 {
return nil, MakeGitError(ret)
}
return oid, nil
}