func New() (*Magic, error) {
db := C.magic_open(C.int(0))
C.magic_setflags(db, C.int(C.MAGIC_SYMLINK|C.MAGIC_ERROR))
if code := C.magic_load(db, nil); code != 0 {
return nil, errors.New(C.GoString(C.magic_error(db)))
}
return &Magic{db}, nil
}
// SetFlags sets the given flags.
//
// Note that using both MIME flags together can also return extra
// information on the charset.
func (m *Magic) SetFlags(flags int) error {
if m.ptr == nil {
return ConnectionError
}
if C.magic_setflags(m.ptr, C.int(flags)) < 0 {
return errors.New("Magic: FlagPreserveATime is not supported by this system.")
}
return m.check()
}
func New(flags MagicFlag) (*Magic, error) {
db := C.magic_open(C.int(0))
if db == nil {
return nil, errors.New("Error allocating magic cookie")
}
if code := C.magic_setflags(db, C.int(flags)); code != 0 {
return nil, errors.New(C.GoString(C.magic_error(db)))
}
if code := C.magic_load(db, nil); code != 0 {
return nil, errors.New(C.GoString(C.magic_error(db)))
}
return &Magic{db}, nil
}
func Open(flags MagicFlag) error {
db = C.magic_open(C.int(0))
if db == nil {
return errors.New("error opening magic")
}
if code := C.magic_setflags(db, C.int(flags)); code != 0 {
return errors.New(C.GoString(C.magic_error(db)))
}
if code := C.magic_load(db, nil); code != 0 {
return errors.New(C.GoString(C.magic_error(db)))
}
return nil
}
// NewDecoder creates a detector that uses libmagic. It initializes
// the opens the magicmime database with the specified flags. Upon
// success users are expected to call Close on the returned Decoder
// when it is no longer needed.
func NewDecoder(flags Flag) (*Decoder, error) {
db := C.magic_open(C.int(0))
if db == nil {
return nil, errors.New("error opening magic")
}
d := &Decoder{db: db}
if code := C.magic_setflags(db, C.int(flags)); code != 0 {
d.Close()
return nil, errors.New(C.GoString(C.magic_error(d.db)))
}
if code := C.magic_load(db, nil); code != 0 {
d.Close()
return nil, errors.New(C.GoString(C.magic_error(d.db)))
}
return d, nil
}
func SetFlags(cookie Magic_t, flags int) int {
return (int)(C.magic_setflags(cookie, C.int(flags)))
}